import { defineComponent, h, computed, ref, getTransitionRawChildren, isVNode, createSSRApp } from 'vue';
import { renderToString } from 'vue/server-renderer';
import tailwindcss from 'tailwindcss';
import postcssCssVariables from 'postcss-css-variables';
import postcss from 'postcss';

const EBody = defineComponent({
  name: "EBody",
  setup(_, { slots }) {
    return () => {
      const bodyNode = h("body", { "data-id": "__vue-email-body" }, slots.default?.());
      return bodyNode;
    };
  }
});

function isObject$1(item) {
  return !!item && typeof item === "object" && !Array.isArray(item);
}
function deepmerge$1(target, ...sources) {
  if (!sources.length)
    return target;
  const source = sources.shift();
  if (isObject$1(target) && isObject$1(source)) {
    for (const key in source) {
      if (isObject$1(source[key])) {
        if (!target[key])
          Object.assign(target, { [key]: {} });
        deepmerge$1(target[key], source[key]);
      } else {
        Object.assign(target, { [key]: source[key] });
      }
    }
  }
  return deepmerge$1(target, ...sources);
}

function cleanup(str) {
  if (!str || typeof str !== "string")
    return str;
  return str.replace(/ data-v-inspector="[^"]*"/g, "").replace(/<!--\[-->/g, "").replace(/<!--\]-->/g, "").replace(/<template>/g, "").replace(/<template[^>]*>/g, "").replace(/<\/template>/g, "").replace(/<clean-component>/g, "").replace(/<clean-component[^>]*>/g, "").replace(/<\/clean-component>/g, "");
}

/** Types of elements found in htmlparser2's DOM */
var ElementType;
(function (ElementType) {
    /** Type for the root element of a document */
    ElementType["Root"] = "root";
    /** Type for Text */
    ElementType["Text"] = "text";
    /** Type for <? ... ?> */
    ElementType["Directive"] = "directive";
    /** Type for <!-- ... --> */
    ElementType["Comment"] = "comment";
    /** Type for <script> tags */
    ElementType["Script"] = "script";
    /** Type for <style> tags */
    ElementType["Style"] = "style";
    /** Type for Any tag */
    ElementType["Tag"] = "tag";
    /** Type for <![CDATA[ ... ]]> */
    ElementType["CDATA"] = "cdata";
    /** Type for <!doctype ...> */
    ElementType["Doctype"] = "doctype";
})(ElementType || (ElementType = {}));
/**
 * Tests whether an element is a tag or not.
 *
 * @param elem Element to test
 */
function isTag$1(elem) {
    return (elem.type === ElementType.Tag ||
        elem.type === ElementType.Script ||
        elem.type === ElementType.Style);
}
// Exports for backwards compatibility
/** Type for the root element of a document */
const Root = ElementType.Root;
/** Type for Text */
const Text$1 = ElementType.Text;
/** Type for <? ... ?> */
const Directive = ElementType.Directive;
/** Type for <!-- ... --> */
const Comment$1 = ElementType.Comment;
/** Type for <script> tags */
const Script = ElementType.Script;
/** Type for <style> tags */
const Style = ElementType.Style;
/** Type for Any tag */
const Tag = ElementType.Tag;
/** Type for <![CDATA[ ... ]]> */
const CDATA$1 = ElementType.CDATA;
/** Type for <!doctype ...> */
const Doctype = ElementType.Doctype;

/**
 * This object will be used as the prototype for Nodes when creating a
 * DOM-Level-1-compliant structure.
 */
class Node {
    constructor() {
        /** Parent of the node */
        this.parent = null;
        /** Previous sibling */
        this.prev = null;
        /** Next sibling */
        this.next = null;
        /** The start index of the node. Requires `withStartIndices` on the handler to be `true. */
        this.startIndex = null;
        /** The end index of the node. Requires `withEndIndices` on the handler to be `true. */
        this.endIndex = null;
    }
    // Read-write aliases for properties
    /**
     * Same as {@link parent}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get parentNode() {
        return this.parent;
    }
    set parentNode(parent) {
        this.parent = parent;
    }
    /**
     * Same as {@link prev}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get previousSibling() {
        return this.prev;
    }
    set previousSibling(prev) {
        this.prev = prev;
    }
    /**
     * Same as {@link next}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get nextSibling() {
        return this.next;
    }
    set nextSibling(next) {
        this.next = next;
    }
    /**
     * Clone this node, and optionally its children.
     *
     * @param recursive Clone child nodes as well.
     * @returns A clone of the node.
     */
    cloneNode(recursive = false) {
        return cloneNode(this, recursive);
    }
}
/**
 * A node that contains some data.
 */
class DataNode extends Node {
    /**
     * @param data The content of the data node
     */
    constructor(data) {
        super();
        this.data = data;
    }
    /**
     * Same as {@link data}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get nodeValue() {
        return this.data;
    }
    set nodeValue(data) {
        this.data = data;
    }
}
/**
 * Text within the document.
 */
class Text extends DataNode {
    constructor() {
        super(...arguments);
        this.type = ElementType.Text;
    }
    get nodeType() {
        return 3;
    }
}
/**
 * Comments within the document.
 */
class Comment extends DataNode {
    constructor() {
        super(...arguments);
        this.type = ElementType.Comment;
    }
    get nodeType() {
        return 8;
    }
}
/**
 * Processing instructions, including doc types.
 */
class ProcessingInstruction extends DataNode {
    constructor(name, data) {
        super(data);
        this.name = name;
        this.type = ElementType.Directive;
    }
    get nodeType() {
        return 1;
    }
}
/**
 * A `Node` that can have children.
 */
class NodeWithChildren extends Node {
    /**
     * @param children Children of the node. Only certain node types can have children.
     */
    constructor(children) {
        super();
        this.children = children;
    }
    // Aliases
    /** First child of the node. */
    get firstChild() {
        var _a;
        return (_a = this.children[0]) !== null && _a !== void 0 ? _a : null;
    }
    /** Last child of the node. */
    get lastChild() {
        return this.children.length > 0
            ? this.children[this.children.length - 1]
            : null;
    }
    /**
     * Same as {@link children}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get childNodes() {
        return this.children;
    }
    set childNodes(children) {
        this.children = children;
    }
}
class CDATA extends NodeWithChildren {
    constructor() {
        super(...arguments);
        this.type = ElementType.CDATA;
    }
    get nodeType() {
        return 4;
    }
}
/**
 * The root node of the document.
 */
class Document extends NodeWithChildren {
    constructor() {
        super(...arguments);
        this.type = ElementType.Root;
    }
    get nodeType() {
        return 9;
    }
}
/**
 * An element within the DOM.
 */
class Element extends NodeWithChildren {
    /**
     * @param name Name of the tag, eg. `div`, `span`.
     * @param attribs Object mapping attribute names to attribute values.
     * @param children Children of the node.
     */
    constructor(name, attribs, children = [], type = name === "script"
        ? ElementType.Script
        : name === "style"
            ? ElementType.Style
            : ElementType.Tag) {
        super(children);
        this.name = name;
        this.attribs = attribs;
        this.type = type;
    }
    get nodeType() {
        return 1;
    }
    // DOM Level 1 aliases
    /**
     * Same as {@link name}.
     * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
     */
    get tagName() {
        return this.name;
    }
    set tagName(name) {
        this.name = name;
    }
    get attributes() {
        return Object.keys(this.attribs).map((name) => {
            var _a, _b;
            return ({
                name,
                value: this.attribs[name],
                namespace: (_a = this["x-attribsNamespace"]) === null || _a === void 0 ? void 0 : _a[name],
                prefix: (_b = this["x-attribsPrefix"]) === null || _b === void 0 ? void 0 : _b[name],
            });
        });
    }
}
/**
 * @param node Node to check.
 * @returns `true` if the node is a `Element`, `false` otherwise.
 */
function isTag(node) {
    return isTag$1(node);
}
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `CDATA`, `false` otherwise.
 */
function isCDATA(node) {
    return node.type === ElementType.CDATA;
}
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `Text`, `false` otherwise.
 */
function isText(node) {
    return node.type === ElementType.Text;
}
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `Comment`, `false` otherwise.
 */
function isComment(node) {
    return node.type === ElementType.Comment;
}
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
 */
function isDirective(node) {
    return node.type === ElementType.Directive;
}
/**
 * @param node Node to check.
 * @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
 */
function isDocument(node) {
    return node.type === ElementType.Root;
}
/**
 * Clone a node, and optionally its children.
 *
 * @param recursive Clone child nodes as well.
 * @returns A clone of the node.
 */
function cloneNode(node, recursive = false) {
    let result;
    if (isText(node)) {
        result = new Text(node.data);
    }
    else if (isComment(node)) {
        result = new Comment(node.data);
    }
    else if (isTag(node)) {
        const children = recursive ? cloneChildren(node.children) : [];
        const clone = new Element(node.name, { ...node.attribs }, children);
        children.forEach((child) => (child.parent = clone));
        if (node.namespace != null) {
            clone.namespace = node.namespace;
        }
        if (node["x-attribsNamespace"]) {
            clone["x-attribsNamespace"] = { ...node["x-attribsNamespace"] };
        }
        if (node["x-attribsPrefix"]) {
            clone["x-attribsPrefix"] = { ...node["x-attribsPrefix"] };
        }
        result = clone;
    }
    else if (isCDATA(node)) {
        const children = recursive ? cloneChildren(node.children) : [];
        const clone = new CDATA(children);
        children.forEach((child) => (child.parent = clone));
        result = clone;
    }
    else if (isDocument(node)) {
        const children = recursive ? cloneChildren(node.children) : [];
        const clone = new Document(children);
        children.forEach((child) => (child.parent = clone));
        if (node["x-mode"]) {
            clone["x-mode"] = node["x-mode"];
        }
        result = clone;
    }
    else if (isDirective(node)) {
        const instruction = new ProcessingInstruction(node.name, node.data);
        if (node["x-name"] != null) {
            instruction["x-name"] = node["x-name"];
            instruction["x-publicId"] = node["x-publicId"];
            instruction["x-systemId"] = node["x-systemId"];
        }
        result = instruction;
    }
    else {
        throw new Error(`Not implemented yet: ${node.type}`);
    }
    result.startIndex = node.startIndex;
    result.endIndex = node.endIndex;
    if (node.sourceCodeLocation != null) {
        result.sourceCodeLocation = node.sourceCodeLocation;
    }
    return result;
}
function cloneChildren(childs) {
    const children = childs.map((child) => cloneNode(child, true));
    for (let i = 1; i < children.length; i++) {
        children[i].prev = children[i - 1];
        children[i - 1].next = children[i];
    }
    return children;
}

// Default options
const defaultOpts = {
    withStartIndices: false,
    withEndIndices: false,
    xmlMode: false,
};
class DomHandler {
    /**
     * @param callback Called once parsing has completed.
     * @param options Settings for the handler.
     * @param elementCB Callback whenever a tag is closed.
     */
    constructor(callback, options, elementCB) {
        /** The elements of the DOM */
        this.dom = [];
        /** The root element for the DOM */
        this.root = new Document(this.dom);
        /** Indicated whether parsing has been completed. */
        this.done = false;
        /** Stack of open tags. */
        this.tagStack = [this.root];
        /** A data node that is still being written to. */
        this.lastNode = null;
        /** Reference to the parser instance. Used for location information. */
        this.parser = null;
        // Make it possible to skip arguments, for backwards-compatibility
        if (typeof options === "function") {
            elementCB = options;
            options = defaultOpts;
        }
        if (typeof callback === "object") {
            options = callback;
            callback = undefined;
        }
        this.callback = callback !== null && callback !== void 0 ? callback : null;
        this.options = options !== null && options !== void 0 ? options : defaultOpts;
        this.elementCB = elementCB !== null && elementCB !== void 0 ? elementCB : null;
    }
    onparserinit(parser) {
        this.parser = parser;
    }
    // Resets the handler back to starting state
    onreset() {
        this.dom = [];
        this.root = new Document(this.dom);
        this.done = false;
        this.tagStack = [this.root];
        this.lastNode = null;
        this.parser = null;
    }
    // Signals the handler that parsing is done
    onend() {
        if (this.done)
            return;
        this.done = true;
        this.parser = null;
        this.handleCallback(null);
    }
    onerror(error) {
        this.handleCallback(error);
    }
    onclosetag() {
        this.lastNode = null;
        const elem = this.tagStack.pop();
        if (this.options.withEndIndices) {
            elem.endIndex = this.parser.endIndex;
        }
        if (this.elementCB)
            this.elementCB(elem);
    }
    onopentag(name, attribs) {
        const type = this.options.xmlMode ? ElementType.Tag : undefined;
        const element = new Element(name, attribs, undefined, type);
        this.addNode(element);
        this.tagStack.push(element);
    }
    ontext(data) {
        const { lastNode } = this;
        if (lastNode && lastNode.type === ElementType.Text) {
            lastNode.data += data;
            if (this.options.withEndIndices) {
                lastNode.endIndex = this.parser.endIndex;
            }
        }
        else {
            const node = new Text(data);
            this.addNode(node);
            this.lastNode = node;
        }
    }
    oncomment(data) {
        if (this.lastNode && this.lastNode.type === ElementType.Comment) {
            this.lastNode.data += data;
            return;
        }
        const node = new Comment(data);
        this.addNode(node);
        this.lastNode = node;
    }
    oncommentend() {
        this.lastNode = null;
    }
    oncdatastart() {
        const text = new Text("");
        const node = new CDATA([text]);
        this.addNode(node);
        text.parent = node;
        this.lastNode = text;
    }
    oncdataend() {
        this.lastNode = null;
    }
    onprocessinginstruction(name, data) {
        const node = new ProcessingInstruction(name, data);
        this.addNode(node);
    }
    handleCallback(error) {
        if (typeof this.callback === "function") {
            this.callback(error, this.dom);
        }
        else if (error) {
            throw error;
        }
    }
    addNode(node) {
        const parent = this.tagStack[this.tagStack.length - 1];
        const previousSibling = parent.children[parent.children.length - 1];
        if (this.options.withStartIndices) {
            node.startIndex = this.parser.startIndex;
        }
        if (this.options.withEndIndices) {
            node.endIndex = this.parser.endIndex;
        }
        parent.children.push(node);
        if (previousSibling) {
            node.prev = previousSibling;
            previousSibling.next = node;
        }
        node.parent = parent;
        this.lastNode = null;
    }
}

const e=/\n/g;function n(n){const o=[...n.matchAll(e)].map((e=>e.index||0));o.unshift(-1);const s=t(o,0,o.length);return e=>r(s,e)}function t(e,n,r){if(r-n==1)return {offset:e[n],index:n+1};const o=Math.ceil((n+r)/2),s=t(e,n,o),l=t(e,o,r);return {offset:s.offset,low:s,high:l}}function r(e,n){return function(e){return Object.prototype.hasOwnProperty.call(e,"index")}(e)?{line:e.index,column:n-e.offset}:r(e.high.offset<n?e.high:e.low,n)}function o(e,t="",r={}){const o="string"!=typeof t?t:r,l="string"==typeof t?t:"",c=e.map(s),f=!!o.lineNumbers;return function(e,t=0){const r=f?n(e):()=>({line:0,column:0});let o=t;const s=[];e:for(;o<e.length;){let n=!1;for(const t of c){t.regex.lastIndex=o;const c=t.regex.exec(e);if(c&&c[0].length>0){if(!t.discard){const e=r(o),n="string"==typeof t.replace?c[0].replace(new RegExp(t.regex.source,t.regex.flags),t.replace):c[0];s.push({state:l,name:t.name,text:n,offset:o,len:c[0].length,line:e.line,column:e.column});}if(o=t.regex.lastIndex,n=!0,t.push){const n=t.push(e,o);s.push(...n.tokens),o=n.offset;}if(t.pop)break e;break}}if(!n)break}return {tokens:s,offset:o,complete:e.length<=o}}}function s(e,n){return {...e,regex:l(e,n)}}function l(e,n){if(0===e.name.length)throw new Error(`Rule #${n} has empty name, which is not allowed.`);if(function(e){return Object.prototype.hasOwnProperty.call(e,"regex")}(e))return function(e){if(e.global)throw new Error(`Regular expression /${e.source}/${e.flags} contains the global flag, which is not allowed.`);return e.sticky?e:new RegExp(e.source,e.flags+"y")}(e.regex);if(function(e){return Object.prototype.hasOwnProperty.call(e,"str")}(e)){if(0===e.str.length)throw new Error(`Rule #${n} ("${e.name}") has empty "str" property, which is not allowed.`);return new RegExp(c(e.str),"y")}return new RegExp(c(e.name),"y")}function c(e){return e.replace(/[-[\]{}()*+!<=:?./\\^$|#\s,]/g,"\\$&")}

function token$1(
onToken,
onEnd) {
    return (data, i) => {
        let position = i;
        let value = undefined;
        if (i < data.tokens.length) {
            value = onToken(data.tokens[i], data, i);
            if (value !== undefined) {
                position++;
            }
        }
        else {
            onEnd?.(data, i);
        }
        return (value === undefined)
            ? { matched: false }
            : {
                matched: true,
                position: position,
                value: value
            };
    };
}
function mapInner(r, f) {
    return (r.matched) ? ({
        matched: true,
        position: r.position,
        value: f(r.value, r.position)
    }) : r;
}
function mapOuter(r, f) {
    return (r.matched) ? f(r) : r;
}
function map(p, mapper) {
    return (data, i) => mapInner(p(data, i), (v, j) => mapper(v, data, i, j));
}
function option(p, def) {
    return (data, i) => {
        const r = p(data, i);
        return (r.matched)
            ? r
            : {
                matched: true,
                position: i,
                value: def
            };
    };
}
function choice(...ps) {
    return (data, i) => {
        for (const p of ps) {
            const result = p(data, i);
            if (result.matched) {
                return result;
            }
        }
        return { matched: false };
    };
}
function otherwise(pa, pb) {
    return (data, i) => {
        const r1 = pa(data, i);
        return (r1.matched)
            ? r1
            : pb(data, i);
    };
}
function takeWhile(p,
test) {
    return (data, i) => {
        const values = [];
        let success = true;
        do {
            const r = p(data, i);
            if (r.matched && test(r.value, values.length + 1, data, i, r.position)) {
                values.push(r.value);
                i = r.position;
            }
            else {
                success = false;
            }
        } while (success);
        return {
            matched: true,
            position: i,
            value: values
        };
    };
}
function many(p) {
    return takeWhile(p, () => true);
}
function many1(p) {
    return ab(p, many(p), (head, tail) => [head, ...tail]);
}
function ab(pa, pb, join) {
    return (data, i) => mapOuter(pa(data, i), (ma) => mapInner(pb(data, ma.position), (vb, j) => join(ma.value, vb, data, i, j)));
}
function left(pa, pb) {
    return ab(pa, pb, (va) => va);
}
function right(pa, pb) {
    return ab(pa, pb, (va, vb) => vb);
}
function abc(pa, pb, pc, join) {
    return (data, i) => mapOuter(pa(data, i), (ma) => mapOuter(pb(data, ma.position), (mb) => mapInner(pc(data, mb.position), (vc, j) => join(ma.value, mb.value, vc, data, i, j))));
}
function middle(pa, pb, pc) {
    return abc(pa, pb, pc, (ra, rb) => rb);
}
function all(...ps) {
    return (data, i) => {
        const result = [];
        let position = i;
        for (const p of ps) {
            const r1 = p(data, position);
            if (r1.matched) {
                result.push(r1.value);
                position = r1.position;
            }
            else {
                return { matched: false };
            }
        }
        return {
            matched: true,
            position: position,
            value: result
        };
    };
}
function flatten(...ps) {
    return flatten1(all(...ps));
}
function flatten1(p) {
    return map(p, (vs) => vs.flatMap((v) => v));
}
function chainReduce(acc,
f) {
    return (data, i) => {
        let loop = true;
        let acc1 = acc;
        let pos = i;
        do {
            const r = f(acc1, data, pos)(data, pos);
            if (r.matched) {
                acc1 = r.value;
                pos = r.position;
            }
            else {
                loop = false;
            }
        } while (loop);
        return {
            matched: true,
            position: pos,
            value: acc1
        };
    };
}
function reduceLeft(acc, p,
reducer) {
    return chainReduce(acc, (acc) => map(p, (v, data, i, j) => reducer(acc, v, data, i, j)));
}
function leftAssoc2(pLeft, pOper, pRight) {
    return chain(pLeft, (v0) => reduceLeft(v0, ab(pOper, pRight, (f, y) => [f, y]), (acc, [f, y]) => f(acc, y)));
}
function chain(p,
f) {
    return (data, i) => mapOuter(p(data, i), (m1) => f(m1.value, data, i, m1.position)(data, m1.position));
}

const ws = `(?:[ \\t\\r\\n\\f]*)`;
const nl = `(?:\\n|\\r\\n|\\r|\\f)`;
const nonascii = `[^\\x00-\\x7F]`;
const unicode = `(?:\\\\[0-9a-f]{1,6}(?:\\r\\n|[ \\n\\r\\t\\f])?)`;
const escape = `(?:\\\\[^\\n\\r\\f0-9a-f])`;
const nmstart = `(?:[_a-z]|${nonascii}|${unicode}|${escape})`;
const nmchar = `(?:[_a-z0-9-]|${nonascii}|${unicode}|${escape})`;
const name = `(?:${nmchar}+)`;
const ident = `(?:[-]?${nmstart}${nmchar}*)`;
const string1 = `'([^\\n\\r\\f\\\\']|\\\\${nl}|${nonascii}|${unicode}|${escape})*'`;
const string2 = `"([^\\n\\r\\f\\\\"]|\\\\${nl}|${nonascii}|${unicode}|${escape})*"`;
const lexSelector = o([
    { name: 'ws', regex: new RegExp(ws) },
    { name: 'hash', regex: new RegExp(`#${name}`, 'i') },
    { name: 'ident', regex: new RegExp(ident, 'i') },
    { name: 'str1', regex: new RegExp(string1, 'i') },
    { name: 'str2', regex: new RegExp(string2, 'i') },
    { name: '*' },
    { name: '.' },
    { name: ',' },
    { name: '[' },
    { name: ']' },
    { name: '=' },
    { name: '>' },
    { name: '|' },
    { name: '+' },
    { name: '~' },
    { name: '^' },
    { name: '$' },
]);
const lexEscapedString = o([
    { name: 'unicode', regex: new RegExp(unicode, 'i') },
    { name: 'escape', regex: new RegExp(escape, 'i') },
    { name: 'any', regex: new RegExp('[\\s\\S]', 'i') }
]);
function sumSpec([a0, a1, a2], [b0, b1, b2]) {
    return [a0 + b0, a1 + b1, a2 + b2];
}
function sumAllSpec(ss) {
    return ss.reduce(sumSpec, [0, 0, 0]);
}
const unicodeEscapedSequence_ = token$1((t) => t.name === 'unicode' ? String.fromCodePoint(parseInt(t.text.slice(1), 16)) : undefined);
const escapedSequence_ = token$1((t) => t.name === 'escape' ? t.text.slice(1) : undefined);
const anyChar_ = token$1((t) => t.name === 'any' ? t.text : undefined);
const escapedString_ = map(many(choice(unicodeEscapedSequence_, escapedSequence_, anyChar_)), (cs) => cs.join(''));
function unescape(escapedString) {
    const lexerResult = lexEscapedString(escapedString);
    const result = escapedString_({ tokens: lexerResult.tokens, options: undefined }, 0);
    return result.value;
}
function literal(name) {
    return token$1((t) => t.name === name ? true : undefined);
}
const whitespace_ = token$1((t) => t.name === 'ws' ? null : undefined);
const optionalWhitespace_ = option(whitespace_, null);
function optionallySpaced(parser) {
    return middle(optionalWhitespace_, parser, optionalWhitespace_);
}
const identifier_ = token$1((t) => t.name === 'ident' ? unescape(t.text) : undefined);
const hashId_ = token$1((t) => t.name === 'hash' ? unescape(t.text.slice(1)) : undefined);
const string_ = token$1((t) => t.name.startsWith('str') ? unescape(t.text.slice(1, -1)) : undefined);
const namespace_ = left(option(identifier_, ''), literal('|'));
const qualifiedName_ = otherwise(ab(namespace_, identifier_, (ns, name) => ({ name: name, namespace: ns })), map(identifier_, (name) => ({ name: name, namespace: null })));
const uniSelector_ = otherwise(ab(namespace_, literal('*'), (ns) => ({ type: 'universal', namespace: ns, specificity: [0, 0, 0] })), map(literal('*'), () => ({ type: 'universal', namespace: null, specificity: [0, 0, 0] })));
const tagSelector_ = map(qualifiedName_, ({ name, namespace }) => ({
    type: 'tag',
    name: name,
    namespace: namespace,
    specificity: [0, 0, 1]
}));
const classSelector_ = ab(literal('.'), identifier_, (fullstop, name) => ({
    type: 'class',
    name: name,
    specificity: [0, 1, 0]
}));
const idSelector_ = map(hashId_, (name) => ({
    type: 'id',
    name: name,
    specificity: [1, 0, 0]
}));
const attrModifier_ = token$1((t) => {
    if (t.name === 'ident') {
        if (t.text === 'i' || t.text === 'I') {
            return 'i';
        }
        if (t.text === 's' || t.text === 'S') {
            return 's';
        }
    }
    return undefined;
});
const attrValue_ = otherwise(ab(string_, option(right(optionalWhitespace_, attrModifier_), null), (v, mod) => ({ value: v, modifier: mod })), ab(identifier_, option(right(whitespace_, attrModifier_), null), (v, mod) => ({ value: v, modifier: mod })));
const attrMatcher_ = choice(map(literal('='), () => '='), ab(literal('~'), literal('='), () => '~='), ab(literal('|'), literal('='), () => '|='), ab(literal('^'), literal('='), () => '^='), ab(literal('$'), literal('='), () => '$='), ab(literal('*'), literal('='), () => '*='));
const attrPresenceSelector_ = abc(literal('['), optionallySpaced(qualifiedName_), literal(']'), (lbr, { name, namespace }) => ({
    type: 'attrPresence',
    name: name,
    namespace: namespace,
    specificity: [0, 1, 0]
}));
const attrValueSelector_ = middle(literal('['), abc(optionallySpaced(qualifiedName_), attrMatcher_, optionallySpaced(attrValue_), ({ name, namespace }, matcher, { value, modifier }) => ({
    type: 'attrValue',
    name: name,
    namespace: namespace,
    matcher: matcher,
    value: value,
    modifier: modifier,
    specificity: [0, 1, 0]
})), literal(']'));
const attrSelector_ = otherwise(attrPresenceSelector_, attrValueSelector_);
const typeSelector_ = otherwise(uniSelector_, tagSelector_);
const subclassSelector_ = choice(idSelector_, classSelector_, attrSelector_);
const compoundSelector_ = map(otherwise(flatten(typeSelector_, many(subclassSelector_)), many1(subclassSelector_)), (ss) => {
    return {
        type: 'compound',
        list: ss,
        specificity: sumAllSpec(ss.map(s => s.specificity))
    };
});
const combinator_ = choice(map(literal('>'), () => '>'), map(literal('+'), () => '+'), map(literal('~'), () => '~'), ab(literal('|'), literal('|'), () => '||'));
const combinatorSeparator_ = otherwise(optionallySpaced(combinator_), map(whitespace_, () => ' '));
const complexSelector_ = leftAssoc2(compoundSelector_, map(combinatorSeparator_, (c) => (left, right) => ({
    type: 'compound',
    list: [...right.list, { type: 'combinator', combinator: c, left: left, specificity: left.specificity }],
    specificity: sumSpec(left.specificity, right.specificity)
})), compoundSelector_);
function parse_(parser, str) {
    if (!(typeof str === 'string' || str instanceof String)) {
        throw new Error('Expected a selector string. Actual input is not a string!');
    }
    const lexerResult = lexSelector(str);
    if (!lexerResult.complete) {
        throw new Error(`The input "${str}" was only partially tokenized, stopped at offset ${lexerResult.offset}!\n` +
            prettyPrintPosition(str, lexerResult.offset));
    }
    const result = optionallySpaced(parser)({ tokens: lexerResult.tokens, options: undefined }, 0);
    if (!result.matched) {
        throw new Error(`No match for "${str}" input!`);
    }
    if (result.position < lexerResult.tokens.length) {
        const token = lexerResult.tokens[result.position];
        throw new Error(`The input "${str}" was only partially parsed, stopped at offset ${token.offset}!\n` +
            prettyPrintPosition(str, token.offset, token.len));
    }
    return result.value;
}
function prettyPrintPosition(str, offset, len = 1) {
    return `${str.replace(/(\t)|(\r)|(\n)/g, (m, t, r) => t ? '\u2409' : r ? '\u240d' : '\u240a')}\n${''.padEnd(offset)}${'^'.repeat(len)}`;
}
function parse1(str) {
    return parse_(complexSelector_, str);
}

function serialize(selector) {
    if (!selector.type) {
        throw new Error('This is not an AST node.');
    }
    switch (selector.type) {
        case 'universal':
            return _serNs(selector.namespace) + '*';
        case 'tag':
            return _serNs(selector.namespace) + _serIdent(selector.name);
        case 'class':
            return '.' + _serIdent(selector.name);
        case 'id':
            return '#' + _serIdent(selector.name);
        case 'attrPresence':
            return `[${_serNs(selector.namespace)}${_serIdent(selector.name)}]`;
        case 'attrValue':
            return `[${_serNs(selector.namespace)}${_serIdent(selector.name)}${selector.matcher}"${_serStr(selector.value)}"${(selector.modifier ? selector.modifier : '')}]`;
        case 'combinator':
            return serialize(selector.left) + selector.combinator;
        case 'compound':
            return selector.list.reduce((acc, node) => {
                if (node.type === 'combinator') {
                    return serialize(node) + acc;
                }
                else {
                    return acc + serialize(node);
                }
            }, '');
        case 'list':
            return selector.list.map(serialize).join(',');
    }
}
function _serNs(ns) {
    return (ns || ns === '')
        ? _serIdent(ns) + '|'
        : '';
}
function _codePoint(char) {
    return `\\${char.codePointAt(0).toString(16)} `;
}
function _serIdent(str) {
    return str.replace(
    /(^[0-9])|(^-[0-9])|(^-$)|([-0-9a-zA-Z_]|[^\x00-\x7F])|(\x00)|([\x01-\x1f]|\x7f)|([\s\S])/g, (m, d1, d2, hy, safe, nl, ctrl, other) => d1 ? _codePoint(d1) :
        d2 ? '-' + _codePoint(d2.slice(1)) :
            hy ? '\\-' :
                safe ? safe :
                    nl ? '\ufffd' :
                        ctrl ? _codePoint(ctrl) :
                            '\\' + other);
}
function _serStr(str) {
    return str.replace(
    /(")|(\\)|(\x00)|([\x01-\x1f]|\x7f)/g, (m, dq, bs, nl, ctrl) => dq ? '\\"' :
        bs ? '\\\\' :
            nl ? '\ufffd' :
                _codePoint(ctrl));
}
function normalize(selector) {
    if (!selector.type) {
        throw new Error('This is not an AST node.');
    }
    switch (selector.type) {
        case 'compound': {
            selector.list.forEach(normalize);
            selector.list.sort((a, b) => _compareArrays(_getSelectorPriority(a), _getSelectorPriority(b)));
            break;
        }
        case 'combinator': {
            normalize(selector.left);
            break;
        }
        case 'list': {
            selector.list.forEach(normalize);
            selector.list.sort((a, b) => (serialize(a) < serialize(b)) ? -1 : 1);
            break;
        }
    }
    return selector;
}
function _getSelectorPriority(selector) {
    switch (selector.type) {
        case 'universal':
            return [1];
        case 'tag':
            return [1];
        case 'id':
            return [2];
        case 'class':
            return [3, selector.name];
        case 'attrPresence':
            return [4, serialize(selector)];
        case 'attrValue':
            return [5, serialize(selector)];
        case 'combinator':
            return [15, serialize(selector)];
    }
}
function compareSpecificity(a, b) {
    return _compareArrays(a, b);
}
function _compareArrays(a, b) {
    if (!Array.isArray(a) || !Array.isArray(b)) {
        throw new Error('Arguments must be arrays.');
    }
    const shorter = (a.length < b.length) ? a.length : b.length;
    for (let i = 0; i < shorter; i++) {
        if (a[i] === b[i]) {
            continue;
        }
        return (a[i] < b[i]) ? -1 : 1;
    }
    return a.length - b.length;
}

class DecisionTree {
    constructor(input) {
        this.branches = weave(toAstTerminalPairs(input));
    }
    build(builder) {
        return builder(this.branches);
    }
}
function toAstTerminalPairs(array) {
    const len = array.length;
    const results = new Array(len);
    for (let i = 0; i < len; i++) {
        const [selectorString, val] = array[i];
        const ast = preprocess(parse1(selectorString));
        results[i] = {
            ast: ast,
            terminal: {
                type: 'terminal',
                valueContainer: { index: i, value: val, specificity: ast.specificity }
            }
        };
    }
    return results;
}
function preprocess(ast) {
    reduceSelectorVariants(ast);
    normalize(ast);
    return ast;
}
function reduceSelectorVariants(ast) {
    const newList = [];
    ast.list.forEach(sel => {
        switch (sel.type) {
            case 'class':
                newList.push({
                    matcher: '~=',
                    modifier: null,
                    name: 'class',
                    namespace: null,
                    specificity: sel.specificity,
                    type: 'attrValue',
                    value: sel.name,
                });
                break;
            case 'id':
                newList.push({
                    matcher: '=',
                    modifier: null,
                    name: 'id',
                    namespace: null,
                    specificity: sel.specificity,
                    type: 'attrValue',
                    value: sel.name,
                });
                break;
            case 'combinator':
                reduceSelectorVariants(sel.left);
                newList.push(sel);
                break;
            case 'universal':
                break;
            default:
                newList.push(sel);
                break;
        }
    });
    ast.list = newList;
}
function weave(items) {
    const branches = [];
    while (items.length) {
        const topKind = findTopKey(items, (sel) => true, getSelectorKind);
        const { matches, nonmatches, empty } = breakByKind(items, topKind);
        items = nonmatches;
        if (matches.length) {
            branches.push(branchOfKind(topKind, matches));
        }
        if (empty.length) {
            branches.push(...terminate(empty));
        }
    }
    return branches;
}
function terminate(items) {
    const results = [];
    for (const item of items) {
        const terminal = item.terminal;
        if (terminal.type === 'terminal') {
            results.push(terminal);
        }
        else {
            const { matches, rest } = partition(terminal.cont, (node) => node.type === 'terminal');
            matches.forEach((node) => results.push(node));
            if (rest.length) {
                terminal.cont = rest;
                results.push(terminal);
            }
        }
    }
    return results;
}
function breakByKind(items, selectedKind) {
    const matches = [];
    const nonmatches = [];
    const empty = [];
    for (const item of items) {
        const simpsels = item.ast.list;
        if (simpsels.length) {
            const isMatch = simpsels.some(node => getSelectorKind(node) === selectedKind);
            (isMatch ? matches : nonmatches).push(item);
        }
        else {
            empty.push(item);
        }
    }
    return { matches, nonmatches, empty };
}
function getSelectorKind(sel) {
    switch (sel.type) {
        case 'attrPresence':
            return `attrPresence ${sel.name}`;
        case 'attrValue':
            return `attrValue ${sel.name}`;
        case 'combinator':
            return `combinator ${sel.combinator}`;
        default:
            return sel.type;
    }
}
function branchOfKind(kind, items) {
    if (kind === 'tag') {
        return tagNameBranch(items);
    }
    if (kind.startsWith('attrValue ')) {
        return attrValueBranch(kind.substring(10), items);
    }
    if (kind.startsWith('attrPresence ')) {
        return attrPresenceBranch(kind.substring(13), items);
    }
    if (kind === 'combinator >') {
        return combinatorBranch('>', items);
    }
    if (kind === 'combinator +') {
        return combinatorBranch('+', items);
    }
    throw new Error(`Unsupported selector kind: ${kind}`);
}
function tagNameBranch(items) {
    const groups = spliceAndGroup(items, (x) => x.type === 'tag', (x) => x.name);
    const variants = Object.entries(groups).map(([name, group]) => ({
        type: 'variant',
        value: name,
        cont: weave(group.items)
    }));
    return {
        type: 'tagName',
        variants: variants
    };
}
function attrPresenceBranch(name, items) {
    for (const item of items) {
        spliceSimpleSelector(item, (x) => (x.type === 'attrPresence') && (x.name === name));
    }
    return {
        type: 'attrPresence',
        name: name,
        cont: weave(items)
    };
}
function attrValueBranch(name, items) {
    const groups = spliceAndGroup(items, (x) => (x.type === 'attrValue') && (x.name === name), (x) => `${x.matcher} ${x.modifier || ''} ${x.value}`);
    const matchers = [];
    for (const group of Object.values(groups)) {
        const sel = group.oneSimpleSelector;
        const predicate = getAttrPredicate(sel);
        const continuation = weave(group.items);
        matchers.push({
            type: 'matcher',
            matcher: sel.matcher,
            modifier: sel.modifier,
            value: sel.value,
            predicate: predicate,
            cont: continuation
        });
    }
    return {
        type: 'attrValue',
        name: name,
        matchers: matchers
    };
}
function getAttrPredicate(sel) {
    if (sel.modifier === 'i') {
        const expected = sel.value.toLowerCase();
        switch (sel.matcher) {
            case '=':
                return (actual) => expected === actual.toLowerCase();
            case '~=':
                return (actual) => actual.toLowerCase().split(/[ \t]+/).includes(expected);
            case '^=':
                return (actual) => actual.toLowerCase().startsWith(expected);
            case '$=':
                return (actual) => actual.toLowerCase().endsWith(expected);
            case '*=':
                return (actual) => actual.toLowerCase().includes(expected);
            case '|=':
                return (actual) => {
                    const lower = actual.toLowerCase();
                    return (expected === lower) || (lower.startsWith(expected) && lower[expected.length] === '-');
                };
        }
    }
    else {
        const expected = sel.value;
        switch (sel.matcher) {
            case '=':
                return (actual) => expected === actual;
            case '~=':
                return (actual) => actual.split(/[ \t]+/).includes(expected);
            case '^=':
                return (actual) => actual.startsWith(expected);
            case '$=':
                return (actual) => actual.endsWith(expected);
            case '*=':
                return (actual) => actual.includes(expected);
            case '|=':
                return (actual) => (expected === actual) || (actual.startsWith(expected) && actual[expected.length] === '-');
        }
    }
}
function combinatorBranch(combinator, items) {
    const groups = spliceAndGroup(items, (x) => (x.type === 'combinator') && (x.combinator === combinator), (x) => serialize(x.left));
    const leftItems = [];
    for (const group of Object.values(groups)) {
        const rightCont = weave(group.items);
        const leftAst = group.oneSimpleSelector.left;
        leftItems.push({
            ast: leftAst,
            terminal: { type: 'popElement', cont: rightCont }
        });
    }
    return {
        type: 'pushElement',
        combinator: combinator,
        cont: weave(leftItems)
    };
}
function spliceAndGroup(items, predicate, keyCallback) {
    const groups = {};
    while (items.length) {
        const bestKey = findTopKey(items, predicate, keyCallback);
        const bestKeyPredicate = (sel) => predicate(sel) && keyCallback(sel) === bestKey;
        const hasBestKeyPredicate = (item) => item.ast.list.some(bestKeyPredicate);
        const { matches, rest } = partition1(items, hasBestKeyPredicate);
        let oneSimpleSelector = null;
        for (const item of matches) {
            const splicedNode = spliceSimpleSelector(item, bestKeyPredicate);
            if (!oneSimpleSelector) {
                oneSimpleSelector = splicedNode;
            }
        }
        if (oneSimpleSelector == null) {
            throw new Error('No simple selector is found.');
        }
        groups[bestKey] = { oneSimpleSelector: oneSimpleSelector, items: matches };
        items = rest;
    }
    return groups;
}
function spliceSimpleSelector(item, predicate) {
    const simpsels = item.ast.list;
    const matches = new Array(simpsels.length);
    let firstIndex = -1;
    for (let i = simpsels.length; i-- > 0;) {
        if (predicate(simpsels[i])) {
            matches[i] = true;
            firstIndex = i;
        }
    }
    if (firstIndex == -1) {
        throw new Error(`Couldn't find the required simple selector.`);
    }
    const result = simpsels[firstIndex];
    item.ast.list = simpsels.filter((sel, i) => !matches[i]);
    return result;
}
function findTopKey(items, predicate, keyCallback) {
    const candidates = {};
    for (const item of items) {
        const candidates1 = {};
        for (const node of item.ast.list.filter(predicate)) {
            candidates1[keyCallback(node)] = true;
        }
        for (const key of Object.keys(candidates1)) {
            if (candidates[key]) {
                candidates[key]++;
            }
            else {
                candidates[key] = 1;
            }
        }
    }
    let topKind = '';
    let topCounter = 0;
    for (const entry of Object.entries(candidates)) {
        if (entry[1] > topCounter) {
            topKind = entry[0];
            topCounter = entry[1];
        }
    }
    return topKind;
}
function partition(src, predicate) {
    const matches = [];
    const rest = [];
    for (const x of src) {
        if (predicate(x)) {
            matches.push(x);
        }
        else {
            rest.push(x);
        }
    }
    return { matches, rest };
}
function partition1(src, predicate) {
    const matches = [];
    const rest = [];
    for (const x of src) {
        if (predicate(x)) {
            matches.push(x);
        }
        else {
            rest.push(x);
        }
    }
    return { matches, rest };
}

class Picker {
    constructor(f) {
        this.f = f;
    }
    pickAll(el) {
        return this.f(el);
    }
    pick1(el, preferFirst = false) {
        const results = this.f(el);
        const len = results.length;
        if (len === 0) {
            return null;
        }
        if (len === 1) {
            return results[0].value;
        }
        const comparator = (preferFirst)
            ? comparatorPreferFirst
            : comparatorPreferLast;
        let result = results[0];
        for (let i = 1; i < len; i++) {
            const next = results[i];
            if (comparator(result, next)) {
                result = next;
            }
        }
        return result.value;
    }
}
function comparatorPreferFirst(acc, next) {
    const diff = compareSpecificity(next.specificity, acc.specificity);
    return diff > 0 || (diff === 0 && next.index < acc.index);
}
function comparatorPreferLast(acc, next) {
    const diff = compareSpecificity(next.specificity, acc.specificity);
    return diff > 0 || (diff === 0 && next.index > acc.index);
}

function hp2Builder(nodes) {
    return new Picker(handleArray(nodes));
}
function handleArray(nodes) {
    const matchers = nodes.map(handleNode);
    return (el, ...tail) => matchers.flatMap(m => m(el, ...tail));
}
function handleNode(node) {
    switch (node.type) {
        case 'terminal': {
            const result = [node.valueContainer];
            return (el, ...tail) => result;
        }
        case 'tagName':
            return handleTagName(node);
        case 'attrValue':
            return handleAttrValueName(node);
        case 'attrPresence':
            return handleAttrPresenceName(node);
        case 'pushElement':
            return handlePushElementNode(node);
        case 'popElement':
            return handlePopElementNode(node);
    }
}
function handleTagName(node) {
    const variants = {};
    for (const variant of node.variants) {
        variants[variant.value] = handleArray(variant.cont);
    }
    return (el, ...tail) => {
        const continuation = variants[el.name];
        return (continuation) ? continuation(el, ...tail) : [];
    };
}
function handleAttrPresenceName(node) {
    const attrName = node.name;
    const continuation = handleArray(node.cont);
    return (el, ...tail) => (Object.prototype.hasOwnProperty.call(el.attribs, attrName))
        ? continuation(el, ...tail)
        : [];
}
function handleAttrValueName(node) {
    const callbacks = [];
    for (const matcher of node.matchers) {
        const predicate = matcher.predicate;
        const continuation = handleArray(matcher.cont);
        callbacks.push((attr, el, ...tail) => (predicate(attr) ? continuation(el, ...tail) : []));
    }
    const attrName = node.name;
    return (el, ...tail) => {
        const attr = el.attribs[attrName];
        return (attr || attr === '')
            ? callbacks.flatMap(cb => cb(attr, el, ...tail))
            : [];
    };
}
function handlePushElementNode(node) {
    const continuation = handleArray(node.cont);
    const leftElementGetter = (node.combinator === '+')
        ? getPrecedingElement
        : getParentElement;
    return (el, ...tail) => {
        const next = leftElementGetter(el);
        if (next === null) {
            return [];
        }
        return continuation(next, el, ...tail);
    };
}
const getPrecedingElement = (el) => {
    const prev = el.prev;
    if (prev === null) {
        return null;
    }
    return (isTag(prev)) ? prev : getPrecedingElement(prev);
};
const getParentElement = (el) => {
    const parent = el.parent;
    return (parent && isTag(parent)) ? parent : null;
};
function handlePopElementNode(node) {
    const continuation = handleArray(node.cont);
    return (el, next, ...tail) => continuation(next, ...tail);
}

// Generated using scripts/write-decode-map.ts
const htmlDecodeTree = new Uint16Array(
// prettier-ignore
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    .split("")
    .map((c) => c.charCodeAt(0)));

// Generated using scripts/write-decode-map.ts
const xmlDecodeTree = new Uint16Array(
// prettier-ignore
"\u0200aglq\t\x15\x18\x1b\u026d\x0f\0\0\x12p;\u4026os;\u4027t;\u403et;\u403cuot;\u4022"
    .split("")
    .map((c) => c.charCodeAt(0)));

// Adapted from https://github.com/mathiasbynens/he/blob/36afe179392226cf1b6ccdb16ebbb7a5a844d93a/src/he.js#L106-L134
var _a;
const decodeMap = new Map([
    [0, 65533],
    // C1 Unicode control character reference replacements
    [128, 8364],
    [130, 8218],
    [131, 402],
    [132, 8222],
    [133, 8230],
    [134, 8224],
    [135, 8225],
    [136, 710],
    [137, 8240],
    [138, 352],
    [139, 8249],
    [140, 338],
    [142, 381],
    [145, 8216],
    [146, 8217],
    [147, 8220],
    [148, 8221],
    [149, 8226],
    [150, 8211],
    [151, 8212],
    [152, 732],
    [153, 8482],
    [154, 353],
    [155, 8250],
    [156, 339],
    [158, 382],
    [159, 376],
]);
/**
 * Polyfill for `String.fromCodePoint`. It is used to create a string from a Unicode code point.
 */
const fromCodePoint = 
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition, node/no-unsupported-features/es-builtins
(_a = String.fromCodePoint) !== null && _a !== void 0 ? _a : function (codePoint) {
    let output = "";
    if (codePoint > 0xffff) {
        codePoint -= 0x10000;
        output += String.fromCharCode(((codePoint >>> 10) & 0x3ff) | 0xd800);
        codePoint = 0xdc00 | (codePoint & 0x3ff);
    }
    output += String.fromCharCode(codePoint);
    return output;
};
/**
 * Replace the given code point with a replacement character if it is a
 * surrogate or is outside the valid range. Otherwise return the code
 * point unchanged.
 */
function replaceCodePoint(codePoint) {
    var _a;
    if ((codePoint >= 0xd800 && codePoint <= 0xdfff) || codePoint > 0x10ffff) {
        return 0xfffd;
    }
    return (_a = decodeMap.get(codePoint)) !== null && _a !== void 0 ? _a : codePoint;
}

var CharCodes$1;
(function (CharCodes) {
    CharCodes[CharCodes["NUM"] = 35] = "NUM";
    CharCodes[CharCodes["SEMI"] = 59] = "SEMI";
    CharCodes[CharCodes["EQUALS"] = 61] = "EQUALS";
    CharCodes[CharCodes["ZERO"] = 48] = "ZERO";
    CharCodes[CharCodes["NINE"] = 57] = "NINE";
    CharCodes[CharCodes["LOWER_A"] = 97] = "LOWER_A";
    CharCodes[CharCodes["LOWER_F"] = 102] = "LOWER_F";
    CharCodes[CharCodes["LOWER_X"] = 120] = "LOWER_X";
    CharCodes[CharCodes["LOWER_Z"] = 122] = "LOWER_Z";
    CharCodes[CharCodes["UPPER_A"] = 65] = "UPPER_A";
    CharCodes[CharCodes["UPPER_F"] = 70] = "UPPER_F";
    CharCodes[CharCodes["UPPER_Z"] = 90] = "UPPER_Z";
})(CharCodes$1 || (CharCodes$1 = {}));
/** Bit that needs to be set to convert an upper case ASCII character to lower case */
const TO_LOWER_BIT = 0b100000;
var BinTrieFlags;
(function (BinTrieFlags) {
    BinTrieFlags[BinTrieFlags["VALUE_LENGTH"] = 49152] = "VALUE_LENGTH";
    BinTrieFlags[BinTrieFlags["BRANCH_LENGTH"] = 16256] = "BRANCH_LENGTH";
    BinTrieFlags[BinTrieFlags["JUMP_TABLE"] = 127] = "JUMP_TABLE";
})(BinTrieFlags || (BinTrieFlags = {}));
function isNumber$1(code) {
    return code >= CharCodes$1.ZERO && code <= CharCodes$1.NINE;
}
function isHexadecimalCharacter(code) {
    return ((code >= CharCodes$1.UPPER_A && code <= CharCodes$1.UPPER_F) ||
        (code >= CharCodes$1.LOWER_A && code <= CharCodes$1.LOWER_F));
}
function isAsciiAlphaNumeric(code) {
    return ((code >= CharCodes$1.UPPER_A && code <= CharCodes$1.UPPER_Z) ||
        (code >= CharCodes$1.LOWER_A && code <= CharCodes$1.LOWER_Z) ||
        isNumber$1(code));
}
/**
 * Checks if the given character is a valid end character for an entity in an attribute.
 *
 * Attribute values that aren't terminated properly aren't parsed, and shouldn't lead to a parser error.
 * See the example in https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state
 */
function isEntityInAttributeInvalidEnd(code) {
    return code === CharCodes$1.EQUALS || isAsciiAlphaNumeric(code);
}
var EntityDecoderState;
(function (EntityDecoderState) {
    EntityDecoderState[EntityDecoderState["EntityStart"] = 0] = "EntityStart";
    EntityDecoderState[EntityDecoderState["NumericStart"] = 1] = "NumericStart";
    EntityDecoderState[EntityDecoderState["NumericDecimal"] = 2] = "NumericDecimal";
    EntityDecoderState[EntityDecoderState["NumericHex"] = 3] = "NumericHex";
    EntityDecoderState[EntityDecoderState["NamedEntity"] = 4] = "NamedEntity";
})(EntityDecoderState || (EntityDecoderState = {}));
var DecodingMode;
(function (DecodingMode) {
    /** Entities in text nodes that can end with any character. */
    DecodingMode[DecodingMode["Legacy"] = 0] = "Legacy";
    /** Only allow entities terminated with a semicolon. */
    DecodingMode[DecodingMode["Strict"] = 1] = "Strict";
    /** Entities in attributes have limitations on ending characters. */
    DecodingMode[DecodingMode["Attribute"] = 2] = "Attribute";
})(DecodingMode || (DecodingMode = {}));
/**
 * Token decoder with support of writing partial entities.
 */
class EntityDecoder {
    constructor(
    /** The tree used to decode entities. */
    decodeTree, 
    /**
     * The function that is called when a codepoint is decoded.
     *
     * For multi-byte named entities, this will be called multiple times,
     * with the second codepoint, and the same `consumed` value.
     *
     * @param codepoint The decoded codepoint.
     * @param consumed The number of bytes consumed by the decoder.
     */
    emitCodePoint, 
    /** An object that is used to produce errors. */
    errors) {
        this.decodeTree = decodeTree;
        this.emitCodePoint = emitCodePoint;
        this.errors = errors;
        /** The current state of the decoder. */
        this.state = EntityDecoderState.EntityStart;
        /** Characters that were consumed while parsing an entity. */
        this.consumed = 1;
        /**
         * The result of the entity.
         *
         * Either the result index of a numeric entity, or the codepoint of a
         * numeric entity.
         */
        this.result = 0;
        /** The current index in the decode tree. */
        this.treeIndex = 0;
        /** The number of characters that were consumed in excess. */
        this.excess = 1;
        /** The mode in which the decoder is operating. */
        this.decodeMode = DecodingMode.Strict;
    }
    /** Resets the instance to make it reusable. */
    startEntity(decodeMode) {
        this.decodeMode = decodeMode;
        this.state = EntityDecoderState.EntityStart;
        this.result = 0;
        this.treeIndex = 0;
        this.excess = 1;
        this.consumed = 1;
    }
    /**
     * Write an entity to the decoder. This can be called multiple times with partial entities.
     * If the entity is incomplete, the decoder will return -1.
     *
     * Mirrors the implementation of `getDecoder`, but with the ability to stop decoding if the
     * entity is incomplete, and resume when the next string is written.
     *
     * @param string The string containing the entity (or a continuation of the entity).
     * @param offset The offset at which the entity begins. Should be 0 if this is not the first call.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    write(str, offset) {
        switch (this.state) {
            case EntityDecoderState.EntityStart: {
                if (str.charCodeAt(offset) === CharCodes$1.NUM) {
                    this.state = EntityDecoderState.NumericStart;
                    this.consumed += 1;
                    return this.stateNumericStart(str, offset + 1);
                }
                this.state = EntityDecoderState.NamedEntity;
                return this.stateNamedEntity(str, offset);
            }
            case EntityDecoderState.NumericStart: {
                return this.stateNumericStart(str, offset);
            }
            case EntityDecoderState.NumericDecimal: {
                return this.stateNumericDecimal(str, offset);
            }
            case EntityDecoderState.NumericHex: {
                return this.stateNumericHex(str, offset);
            }
            case EntityDecoderState.NamedEntity: {
                return this.stateNamedEntity(str, offset);
            }
        }
    }
    /**
     * Switches between the numeric decimal and hexadecimal states.
     *
     * Equivalent to the `Numeric character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    stateNumericStart(str, offset) {
        if (offset >= str.length) {
            return -1;
        }
        if ((str.charCodeAt(offset) | TO_LOWER_BIT) === CharCodes$1.LOWER_X) {
            this.state = EntityDecoderState.NumericHex;
            this.consumed += 1;
            return this.stateNumericHex(str, offset + 1);
        }
        this.state = EntityDecoderState.NumericDecimal;
        return this.stateNumericDecimal(str, offset);
    }
    addToNumericResult(str, start, end, base) {
        if (start !== end) {
            const digitCount = end - start;
            this.result =
                this.result * Math.pow(base, digitCount) +
                    parseInt(str.substr(start, digitCount), base);
            this.consumed += digitCount;
        }
    }
    /**
     * Parses a hexadecimal numeric entity.
     *
     * Equivalent to the `Hexademical character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    stateNumericHex(str, offset) {
        const startIdx = offset;
        while (offset < str.length) {
            const char = str.charCodeAt(offset);
            if (isNumber$1(char) || isHexadecimalCharacter(char)) {
                offset += 1;
            }
            else {
                this.addToNumericResult(str, startIdx, offset, 16);
                return this.emitNumericEntity(char, 3);
            }
        }
        this.addToNumericResult(str, startIdx, offset, 16);
        return -1;
    }
    /**
     * Parses a decimal numeric entity.
     *
     * Equivalent to the `Decimal character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    stateNumericDecimal(str, offset) {
        const startIdx = offset;
        while (offset < str.length) {
            const char = str.charCodeAt(offset);
            if (isNumber$1(char)) {
                offset += 1;
            }
            else {
                this.addToNumericResult(str, startIdx, offset, 10);
                return this.emitNumericEntity(char, 2);
            }
        }
        this.addToNumericResult(str, startIdx, offset, 10);
        return -1;
    }
    /**
     * Validate and emit a numeric entity.
     *
     * Implements the logic from the `Hexademical character reference start
     * state` and `Numeric character reference end state` in the HTML spec.
     *
     * @param lastCp The last code point of the entity. Used to see if the
     *               entity was terminated with a semicolon.
     * @param expectedLength The minimum number of characters that should be
     *                       consumed. Used to validate that at least one digit
     *                       was consumed.
     * @returns The number of characters that were consumed.
     */
    emitNumericEntity(lastCp, expectedLength) {
        var _a;
        // Ensure we consumed at least one digit.
        if (this.consumed <= expectedLength) {
            (_a = this.errors) === null || _a === void 0 ? void 0 : _a.absenceOfDigitsInNumericCharacterReference(this.consumed);
            return 0;
        }
        // Figure out if this is a legit end of the entity
        if (lastCp === CharCodes$1.SEMI) {
            this.consumed += 1;
        }
        else if (this.decodeMode === DecodingMode.Strict) {
            return 0;
        }
        this.emitCodePoint(replaceCodePoint(this.result), this.consumed);
        if (this.errors) {
            if (lastCp !== CharCodes$1.SEMI) {
                this.errors.missingSemicolonAfterCharacterReference();
            }
            this.errors.validateNumericCharacterReference(this.result);
        }
        return this.consumed;
    }
    /**
     * Parses a named entity.
     *
     * Equivalent to the `Named character reference state` in the HTML spec.
     *
     * @param str The string containing the entity (or a continuation of the entity).
     * @param offset The current offset.
     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
     */
    stateNamedEntity(str, offset) {
        const { decodeTree } = this;
        let current = decodeTree[this.treeIndex];
        // The mask is the number of bytes of the value, including the current byte.
        let valueLength = (current & BinTrieFlags.VALUE_LENGTH) >> 14;
        for (; offset < str.length; offset++, this.excess++) {
            const char = str.charCodeAt(offset);
            this.treeIndex = determineBranch(decodeTree, current, this.treeIndex + Math.max(1, valueLength), char);
            if (this.treeIndex < 0) {
                return this.result === 0 ||
                    // If we are parsing an attribute
                    (this.decodeMode === DecodingMode.Attribute &&
                        // We shouldn't have consumed any characters after the entity,
                        (valueLength === 0 ||
                            // And there should be no invalid characters.
                            isEntityInAttributeInvalidEnd(char)))
                    ? 0
                    : this.emitNotTerminatedNamedEntity();
            }
            current = decodeTree[this.treeIndex];
            valueLength = (current & BinTrieFlags.VALUE_LENGTH) >> 14;
            // If the branch is a value, store it and continue
            if (valueLength !== 0) {
                // If the entity is terminated by a semicolon, we are done.
                if (char === CharCodes$1.SEMI) {
                    return this.emitNamedEntityData(this.treeIndex, valueLength, this.consumed + this.excess);
                }
                // If we encounter a non-terminated (legacy) entity while parsing strictly, then ignore it.
                if (this.decodeMode !== DecodingMode.Strict) {
                    this.result = this.treeIndex;
                    this.consumed += this.excess;
                    this.excess = 0;
                }
            }
        }
        return -1;
    }
    /**
     * Emit a named entity that was not terminated with a semicolon.
     *
     * @returns The number of characters consumed.
     */
    emitNotTerminatedNamedEntity() {
        var _a;
        const { result, decodeTree } = this;
        const valueLength = (decodeTree[result] & BinTrieFlags.VALUE_LENGTH) >> 14;
        this.emitNamedEntityData(result, valueLength, this.consumed);
        (_a = this.errors) === null || _a === void 0 ? void 0 : _a.missingSemicolonAfterCharacterReference();
        return this.consumed;
    }
    /**
     * Emit a named entity.
     *
     * @param result The index of the entity in the decode tree.
     * @param valueLength The number of bytes in the entity.
     * @param consumed The number of characters consumed.
     *
     * @returns The number of characters consumed.
     */
    emitNamedEntityData(result, valueLength, consumed) {
        const { decodeTree } = this;
        this.emitCodePoint(valueLength === 1
            ? decodeTree[result] & ~BinTrieFlags.VALUE_LENGTH
            : decodeTree[result + 1], consumed);
        if (valueLength === 3) {
            // For multi-byte values, we need to emit the second byte.
            this.emitCodePoint(decodeTree[result + 2], consumed);
        }
        return consumed;
    }
    /**
     * Signal to the parser that the end of the input was reached.
     *
     * Remaining data will be emitted and relevant errors will be produced.
     *
     * @returns The number of characters consumed.
     */
    end() {
        var _a;
        switch (this.state) {
            case EntityDecoderState.NamedEntity: {
                // Emit a named entity if we have one.
                return this.result !== 0 &&
                    (this.decodeMode !== DecodingMode.Attribute ||
                        this.result === this.treeIndex)
                    ? this.emitNotTerminatedNamedEntity()
                    : 0;
            }
            // Otherwise, emit a numeric entity if we have one.
            case EntityDecoderState.NumericDecimal: {
                return this.emitNumericEntity(0, 2);
            }
            case EntityDecoderState.NumericHex: {
                return this.emitNumericEntity(0, 3);
            }
            case EntityDecoderState.NumericStart: {
                (_a = this.errors) === null || _a === void 0 ? void 0 : _a.absenceOfDigitsInNumericCharacterReference(this.consumed);
                return 0;
            }
            case EntityDecoderState.EntityStart: {
                // Return 0 if we have no entity.
                return 0;
            }
        }
    }
}
/**
 * Creates a function that decodes entities in a string.
 *
 * @param decodeTree The decode tree.
 * @returns A function that decodes entities in a string.
 */
function getDecoder(decodeTree) {
    let ret = "";
    const decoder = new EntityDecoder(decodeTree, (str) => (ret += fromCodePoint(str)));
    return function decodeWithTrie(str, decodeMode) {
        let lastIndex = 0;
        let offset = 0;
        while ((offset = str.indexOf("&", offset)) >= 0) {
            ret += str.slice(lastIndex, offset);
            decoder.startEntity(decodeMode);
            const len = decoder.write(str, 
            // Skip the "&"
            offset + 1);
            if (len < 0) {
                lastIndex = offset + decoder.end();
                break;
            }
            lastIndex = offset + len;
            // If `len` is 0, skip the current `&` and continue.
            offset = len === 0 ? lastIndex + 1 : lastIndex;
        }
        const result = ret + str.slice(lastIndex);
        // Make sure we don't keep a reference to the final string.
        ret = "";
        return result;
    };
}
/**
 * Determines the branch of the current node that is taken given the current
 * character. This function is used to traverse the trie.
 *
 * @param decodeTree The trie.
 * @param current The current node.
 * @param nodeIdx The index right after the current node and its value.
 * @param char The current character.
 * @returns The index of the next node, or -1 if no branch is taken.
 */
function determineBranch(decodeTree, current, nodeIdx, char) {
    const branchCount = (current & BinTrieFlags.BRANCH_LENGTH) >> 7;
    const jumpOffset = current & BinTrieFlags.JUMP_TABLE;
    // Case 1: Single branch encoded in jump offset
    if (branchCount === 0) {
        return jumpOffset !== 0 && char === jumpOffset ? nodeIdx : -1;
    }
    // Case 2: Multiple branches encoded in jump table
    if (jumpOffset) {
        const value = char - jumpOffset;
        return value < 0 || value >= branchCount
            ? -1
            : decodeTree[nodeIdx + value] - 1;
    }
    // Case 3: Multiple branches encoded in dictionary
    // Binary search for the character.
    let lo = nodeIdx;
    let hi = lo + branchCount - 1;
    while (lo <= hi) {
        const mid = (lo + hi) >>> 1;
        const midVal = decodeTree[mid];
        if (midVal < char) {
            lo = mid + 1;
        }
        else if (midVal > char) {
            hi = mid - 1;
        }
        else {
            return decodeTree[mid + branchCount];
        }
    }
    return -1;
}
getDecoder(htmlDecodeTree);
getDecoder(xmlDecodeTree);

var CharCodes;
(function (CharCodes) {
    CharCodes[CharCodes["Tab"] = 9] = "Tab";
    CharCodes[CharCodes["NewLine"] = 10] = "NewLine";
    CharCodes[CharCodes["FormFeed"] = 12] = "FormFeed";
    CharCodes[CharCodes["CarriageReturn"] = 13] = "CarriageReturn";
    CharCodes[CharCodes["Space"] = 32] = "Space";
    CharCodes[CharCodes["ExclamationMark"] = 33] = "ExclamationMark";
    CharCodes[CharCodes["Number"] = 35] = "Number";
    CharCodes[CharCodes["Amp"] = 38] = "Amp";
    CharCodes[CharCodes["SingleQuote"] = 39] = "SingleQuote";
    CharCodes[CharCodes["DoubleQuote"] = 34] = "DoubleQuote";
    CharCodes[CharCodes["Dash"] = 45] = "Dash";
    CharCodes[CharCodes["Slash"] = 47] = "Slash";
    CharCodes[CharCodes["Zero"] = 48] = "Zero";
    CharCodes[CharCodes["Nine"] = 57] = "Nine";
    CharCodes[CharCodes["Semi"] = 59] = "Semi";
    CharCodes[CharCodes["Lt"] = 60] = "Lt";
    CharCodes[CharCodes["Eq"] = 61] = "Eq";
    CharCodes[CharCodes["Gt"] = 62] = "Gt";
    CharCodes[CharCodes["Questionmark"] = 63] = "Questionmark";
    CharCodes[CharCodes["UpperA"] = 65] = "UpperA";
    CharCodes[CharCodes["LowerA"] = 97] = "LowerA";
    CharCodes[CharCodes["UpperF"] = 70] = "UpperF";
    CharCodes[CharCodes["LowerF"] = 102] = "LowerF";
    CharCodes[CharCodes["UpperZ"] = 90] = "UpperZ";
    CharCodes[CharCodes["LowerZ"] = 122] = "LowerZ";
    CharCodes[CharCodes["LowerX"] = 120] = "LowerX";
    CharCodes[CharCodes["OpeningSquareBracket"] = 91] = "OpeningSquareBracket";
})(CharCodes || (CharCodes = {}));
/** All the states the tokenizer can be in. */
var State;
(function (State) {
    State[State["Text"] = 1] = "Text";
    State[State["BeforeTagName"] = 2] = "BeforeTagName";
    State[State["InTagName"] = 3] = "InTagName";
    State[State["InSelfClosingTag"] = 4] = "InSelfClosingTag";
    State[State["BeforeClosingTagName"] = 5] = "BeforeClosingTagName";
    State[State["InClosingTagName"] = 6] = "InClosingTagName";
    State[State["AfterClosingTagName"] = 7] = "AfterClosingTagName";
    // Attributes
    State[State["BeforeAttributeName"] = 8] = "BeforeAttributeName";
    State[State["InAttributeName"] = 9] = "InAttributeName";
    State[State["AfterAttributeName"] = 10] = "AfterAttributeName";
    State[State["BeforeAttributeValue"] = 11] = "BeforeAttributeValue";
    State[State["InAttributeValueDq"] = 12] = "InAttributeValueDq";
    State[State["InAttributeValueSq"] = 13] = "InAttributeValueSq";
    State[State["InAttributeValueNq"] = 14] = "InAttributeValueNq";
    // Declarations
    State[State["BeforeDeclaration"] = 15] = "BeforeDeclaration";
    State[State["InDeclaration"] = 16] = "InDeclaration";
    // Processing instructions
    State[State["InProcessingInstruction"] = 17] = "InProcessingInstruction";
    // Comments & CDATA
    State[State["BeforeComment"] = 18] = "BeforeComment";
    State[State["CDATASequence"] = 19] = "CDATASequence";
    State[State["InSpecialComment"] = 20] = "InSpecialComment";
    State[State["InCommentLike"] = 21] = "InCommentLike";
    // Special tags
    State[State["BeforeSpecialS"] = 22] = "BeforeSpecialS";
    State[State["SpecialStartSequence"] = 23] = "SpecialStartSequence";
    State[State["InSpecialTag"] = 24] = "InSpecialTag";
    State[State["BeforeEntity"] = 25] = "BeforeEntity";
    State[State["BeforeNumericEntity"] = 26] = "BeforeNumericEntity";
    State[State["InNamedEntity"] = 27] = "InNamedEntity";
    State[State["InNumericEntity"] = 28] = "InNumericEntity";
    State[State["InHexEntity"] = 29] = "InHexEntity";
})(State || (State = {}));
function isWhitespace$2(c) {
    return (c === CharCodes.Space ||
        c === CharCodes.NewLine ||
        c === CharCodes.Tab ||
        c === CharCodes.FormFeed ||
        c === CharCodes.CarriageReturn);
}
function isEndOfTagSection(c) {
    return c === CharCodes.Slash || c === CharCodes.Gt || isWhitespace$2(c);
}
function isNumber(c) {
    return c >= CharCodes.Zero && c <= CharCodes.Nine;
}
function isASCIIAlpha(c) {
    return ((c >= CharCodes.LowerA && c <= CharCodes.LowerZ) ||
        (c >= CharCodes.UpperA && c <= CharCodes.UpperZ));
}
function isHexDigit(c) {
    return ((c >= CharCodes.UpperA && c <= CharCodes.UpperF) ||
        (c >= CharCodes.LowerA && c <= CharCodes.LowerF));
}
var QuoteType;
(function (QuoteType) {
    QuoteType[QuoteType["NoValue"] = 0] = "NoValue";
    QuoteType[QuoteType["Unquoted"] = 1] = "Unquoted";
    QuoteType[QuoteType["Single"] = 2] = "Single";
    QuoteType[QuoteType["Double"] = 3] = "Double";
})(QuoteType || (QuoteType = {}));
/**
 * Sequences used to match longer strings.
 *
 * We don't have `Script`, `Style`, or `Title` here. Instead, we re-use the *End
 * sequences with an increased offset.
 */
const Sequences = {
    Cdata: new Uint8Array([0x43, 0x44, 0x41, 0x54, 0x41, 0x5b]),
    CdataEnd: new Uint8Array([0x5d, 0x5d, 0x3e]),
    CommentEnd: new Uint8Array([0x2d, 0x2d, 0x3e]),
    ScriptEnd: new Uint8Array([0x3c, 0x2f, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74]),
    StyleEnd: new Uint8Array([0x3c, 0x2f, 0x73, 0x74, 0x79, 0x6c, 0x65]),
    TitleEnd: new Uint8Array([0x3c, 0x2f, 0x74, 0x69, 0x74, 0x6c, 0x65]), // `</title`
};
class Tokenizer {
    constructor({ xmlMode = false, decodeEntities = true, }, cbs) {
        this.cbs = cbs;
        /** The current state the tokenizer is in. */
        this.state = State.Text;
        /** The read buffer. */
        this.buffer = "";
        /** The beginning of the section that is currently being read. */
        this.sectionStart = 0;
        /** The index within the buffer that we are currently looking at. */
        this.index = 0;
        /** Some behavior, eg. when decoding entities, is done while we are in another state. This keeps track of the other state type. */
        this.baseState = State.Text;
        /** For special parsing behavior inside of script and style tags. */
        this.isSpecial = false;
        /** Indicates whether the tokenizer has been paused. */
        this.running = true;
        /** The offset of the current buffer. */
        this.offset = 0;
        this.currentSequence = undefined;
        this.sequenceIndex = 0;
        this.trieIndex = 0;
        this.trieCurrent = 0;
        /** For named entities, the index of the value. For numeric entities, the code point. */
        this.entityResult = 0;
        this.entityExcess = 0;
        this.xmlMode = xmlMode;
        this.decodeEntities = decodeEntities;
        this.entityTrie = xmlMode ? xmlDecodeTree : htmlDecodeTree;
    }
    reset() {
        this.state = State.Text;
        this.buffer = "";
        this.sectionStart = 0;
        this.index = 0;
        this.baseState = State.Text;
        this.currentSequence = undefined;
        this.running = true;
        this.offset = 0;
    }
    write(chunk) {
        this.offset += this.buffer.length;
        this.buffer = chunk;
        this.parse();
    }
    end() {
        if (this.running)
            this.finish();
    }
    pause() {
        this.running = false;
    }
    resume() {
        this.running = true;
        if (this.index < this.buffer.length + this.offset) {
            this.parse();
        }
    }
    /**
     * The current index within all of the written data.
     */
    getIndex() {
        return this.index;
    }
    /**
     * The start of the current section.
     */
    getSectionStart() {
        return this.sectionStart;
    }
    stateText(c) {
        if (c === CharCodes.Lt ||
            (!this.decodeEntities && this.fastForwardTo(CharCodes.Lt))) {
            if (this.index > this.sectionStart) {
                this.cbs.ontext(this.sectionStart, this.index);
            }
            this.state = State.BeforeTagName;
            this.sectionStart = this.index;
        }
        else if (this.decodeEntities && c === CharCodes.Amp) {
            this.state = State.BeforeEntity;
        }
    }
    stateSpecialStartSequence(c) {
        const isEnd = this.sequenceIndex === this.currentSequence.length;
        const isMatch = isEnd
            ? // If we are at the end of the sequence, make sure the tag name has ended
                isEndOfTagSection(c)
            : // Otherwise, do a case-insensitive comparison
                (c | 0x20) === this.currentSequence[this.sequenceIndex];
        if (!isMatch) {
            this.isSpecial = false;
        }
        else if (!isEnd) {
            this.sequenceIndex++;
            return;
        }
        this.sequenceIndex = 0;
        this.state = State.InTagName;
        this.stateInTagName(c);
    }
    /** Look for an end tag. For <title> tags, also decode entities. */
    stateInSpecialTag(c) {
        if (this.sequenceIndex === this.currentSequence.length) {
            if (c === CharCodes.Gt || isWhitespace$2(c)) {
                const endOfText = this.index - this.currentSequence.length;
                if (this.sectionStart < endOfText) {
                    // Spoof the index so that reported locations match up.
                    const actualIndex = this.index;
                    this.index = endOfText;
                    this.cbs.ontext(this.sectionStart, endOfText);
                    this.index = actualIndex;
                }
                this.isSpecial = false;
                this.sectionStart = endOfText + 2; // Skip over the `</`
                this.stateInClosingTagName(c);
                return; // We are done; skip the rest of the function.
            }
            this.sequenceIndex = 0;
        }
        if ((c | 0x20) === this.currentSequence[this.sequenceIndex]) {
            this.sequenceIndex += 1;
        }
        else if (this.sequenceIndex === 0) {
            if (this.currentSequence === Sequences.TitleEnd) {
                // We have to parse entities in <title> tags.
                if (this.decodeEntities && c === CharCodes.Amp) {
                    this.state = State.BeforeEntity;
                }
            }
            else if (this.fastForwardTo(CharCodes.Lt)) {
                // Outside of <title> tags, we can fast-forward.
                this.sequenceIndex = 1;
            }
        }
        else {
            // If we see a `<`, set the sequence index to 1; useful for eg. `<</script>`.
            this.sequenceIndex = Number(c === CharCodes.Lt);
        }
    }
    stateCDATASequence(c) {
        if (c === Sequences.Cdata[this.sequenceIndex]) {
            if (++this.sequenceIndex === Sequences.Cdata.length) {
                this.state = State.InCommentLike;
                this.currentSequence = Sequences.CdataEnd;
                this.sequenceIndex = 0;
                this.sectionStart = this.index + 1;
            }
        }
        else {
            this.sequenceIndex = 0;
            this.state = State.InDeclaration;
            this.stateInDeclaration(c); // Reconsume the character
        }
    }
    /**
     * When we wait for one specific character, we can speed things up
     * by skipping through the buffer until we find it.
     *
     * @returns Whether the character was found.
     */
    fastForwardTo(c) {
        while (++this.index < this.buffer.length + this.offset) {
            if (this.buffer.charCodeAt(this.index - this.offset) === c) {
                return true;
            }
        }
        /*
         * We increment the index at the end of the `parse` loop,
         * so set it to `buffer.length - 1` here.
         *
         * TODO: Refactor `parse` to increment index before calling states.
         */
        this.index = this.buffer.length + this.offset - 1;
        return false;
    }
    /**
     * Comments and CDATA end with `-->` and `]]>`.
     *
     * Their common qualities are:
     * - Their end sequences have a distinct character they start with.
     * - That character is then repeated, so we have to check multiple repeats.
     * - All characters but the start character of the sequence can be skipped.
     */
    stateInCommentLike(c) {
        if (c === this.currentSequence[this.sequenceIndex]) {
            if (++this.sequenceIndex === this.currentSequence.length) {
                if (this.currentSequence === Sequences.CdataEnd) {
                    this.cbs.oncdata(this.sectionStart, this.index, 2);
                }
                else {
                    this.cbs.oncomment(this.sectionStart, this.index, 2);
                }
                this.sequenceIndex = 0;
                this.sectionStart = this.index + 1;
                this.state = State.Text;
            }
        }
        else if (this.sequenceIndex === 0) {
            // Fast-forward to the first character of the sequence
            if (this.fastForwardTo(this.currentSequence[0])) {
                this.sequenceIndex = 1;
            }
        }
        else if (c !== this.currentSequence[this.sequenceIndex - 1]) {
            // Allow long sequences, eg. --->, ]]]>
            this.sequenceIndex = 0;
        }
    }
    /**
     * HTML only allows ASCII alpha characters (a-z and A-Z) at the beginning of a tag name.
     *
     * XML allows a lot more characters here (@see https://www.w3.org/TR/REC-xml/#NT-NameStartChar).
     * We allow anything that wouldn't end the tag.
     */
    isTagStartChar(c) {
        return this.xmlMode ? !isEndOfTagSection(c) : isASCIIAlpha(c);
    }
    startSpecial(sequence, offset) {
        this.isSpecial = true;
        this.currentSequence = sequence;
        this.sequenceIndex = offset;
        this.state = State.SpecialStartSequence;
    }
    stateBeforeTagName(c) {
        if (c === CharCodes.ExclamationMark) {
            this.state = State.BeforeDeclaration;
            this.sectionStart = this.index + 1;
        }
        else if (c === CharCodes.Questionmark) {
            this.state = State.InProcessingInstruction;
            this.sectionStart = this.index + 1;
        }
        else if (this.isTagStartChar(c)) {
            const lower = c | 0x20;
            this.sectionStart = this.index;
            if (!this.xmlMode && lower === Sequences.TitleEnd[2]) {
                this.startSpecial(Sequences.TitleEnd, 3);
            }
            else {
                this.state =
                    !this.xmlMode && lower === Sequences.ScriptEnd[2]
                        ? State.BeforeSpecialS
                        : State.InTagName;
            }
        }
        else if (c === CharCodes.Slash) {
            this.state = State.BeforeClosingTagName;
        }
        else {
            this.state = State.Text;
            this.stateText(c);
        }
    }
    stateInTagName(c) {
        if (isEndOfTagSection(c)) {
            this.cbs.onopentagname(this.sectionStart, this.index);
            this.sectionStart = -1;
            this.state = State.BeforeAttributeName;
            this.stateBeforeAttributeName(c);
        }
    }
    stateBeforeClosingTagName(c) {
        if (isWhitespace$2(c)) ;
        else if (c === CharCodes.Gt) {
            this.state = State.Text;
        }
        else {
            this.state = this.isTagStartChar(c)
                ? State.InClosingTagName
                : State.InSpecialComment;
            this.sectionStart = this.index;
        }
    }
    stateInClosingTagName(c) {
        if (c === CharCodes.Gt || isWhitespace$2(c)) {
            this.cbs.onclosetag(this.sectionStart, this.index);
            this.sectionStart = -1;
            this.state = State.AfterClosingTagName;
            this.stateAfterClosingTagName(c);
        }
    }
    stateAfterClosingTagName(c) {
        // Skip everything until ">"
        if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
            this.state = State.Text;
            this.baseState = State.Text;
            this.sectionStart = this.index + 1;
        }
    }
    stateBeforeAttributeName(c) {
        if (c === CharCodes.Gt) {
            this.cbs.onopentagend(this.index);
            if (this.isSpecial) {
                this.state = State.InSpecialTag;
                this.sequenceIndex = 0;
            }
            else {
                this.state = State.Text;
            }
            this.baseState = this.state;
            this.sectionStart = this.index + 1;
        }
        else if (c === CharCodes.Slash) {
            this.state = State.InSelfClosingTag;
        }
        else if (!isWhitespace$2(c)) {
            this.state = State.InAttributeName;
            this.sectionStart = this.index;
        }
    }
    stateInSelfClosingTag(c) {
        if (c === CharCodes.Gt) {
            this.cbs.onselfclosingtag(this.index);
            this.state = State.Text;
            this.baseState = State.Text;
            this.sectionStart = this.index + 1;
            this.isSpecial = false; // Reset special state, in case of self-closing special tags
        }
        else if (!isWhitespace$2(c)) {
            this.state = State.BeforeAttributeName;
            this.stateBeforeAttributeName(c);
        }
    }
    stateInAttributeName(c) {
        if (c === CharCodes.Eq || isEndOfTagSection(c)) {
            this.cbs.onattribname(this.sectionStart, this.index);
            this.sectionStart = -1;
            this.state = State.AfterAttributeName;
            this.stateAfterAttributeName(c);
        }
    }
    stateAfterAttributeName(c) {
        if (c === CharCodes.Eq) {
            this.state = State.BeforeAttributeValue;
        }
        else if (c === CharCodes.Slash || c === CharCodes.Gt) {
            this.cbs.onattribend(QuoteType.NoValue, this.index);
            this.state = State.BeforeAttributeName;
            this.stateBeforeAttributeName(c);
        }
        else if (!isWhitespace$2(c)) {
            this.cbs.onattribend(QuoteType.NoValue, this.index);
            this.state = State.InAttributeName;
            this.sectionStart = this.index;
        }
    }
    stateBeforeAttributeValue(c) {
        if (c === CharCodes.DoubleQuote) {
            this.state = State.InAttributeValueDq;
            this.sectionStart = this.index + 1;
        }
        else if (c === CharCodes.SingleQuote) {
            this.state = State.InAttributeValueSq;
            this.sectionStart = this.index + 1;
        }
        else if (!isWhitespace$2(c)) {
            this.sectionStart = this.index;
            this.state = State.InAttributeValueNq;
            this.stateInAttributeValueNoQuotes(c); // Reconsume token
        }
    }
    handleInAttributeValue(c, quote) {
        if (c === quote ||
            (!this.decodeEntities && this.fastForwardTo(quote))) {
            this.cbs.onattribdata(this.sectionStart, this.index);
            this.sectionStart = -1;
            this.cbs.onattribend(quote === CharCodes.DoubleQuote
                ? QuoteType.Double
                : QuoteType.Single, this.index);
            this.state = State.BeforeAttributeName;
        }
        else if (this.decodeEntities && c === CharCodes.Amp) {
            this.baseState = this.state;
            this.state = State.BeforeEntity;
        }
    }
    stateInAttributeValueDoubleQuotes(c) {
        this.handleInAttributeValue(c, CharCodes.DoubleQuote);
    }
    stateInAttributeValueSingleQuotes(c) {
        this.handleInAttributeValue(c, CharCodes.SingleQuote);
    }
    stateInAttributeValueNoQuotes(c) {
        if (isWhitespace$2(c) || c === CharCodes.Gt) {
            this.cbs.onattribdata(this.sectionStart, this.index);
            this.sectionStart = -1;
            this.cbs.onattribend(QuoteType.Unquoted, this.index);
            this.state = State.BeforeAttributeName;
            this.stateBeforeAttributeName(c);
        }
        else if (this.decodeEntities && c === CharCodes.Amp) {
            this.baseState = this.state;
            this.state = State.BeforeEntity;
        }
    }
    stateBeforeDeclaration(c) {
        if (c === CharCodes.OpeningSquareBracket) {
            this.state = State.CDATASequence;
            this.sequenceIndex = 0;
        }
        else {
            this.state =
                c === CharCodes.Dash
                    ? State.BeforeComment
                    : State.InDeclaration;
        }
    }
    stateInDeclaration(c) {
        if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
            this.cbs.ondeclaration(this.sectionStart, this.index);
            this.state = State.Text;
            this.sectionStart = this.index + 1;
        }
    }
    stateInProcessingInstruction(c) {
        if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
            this.cbs.onprocessinginstruction(this.sectionStart, this.index);
            this.state = State.Text;
            this.sectionStart = this.index + 1;
        }
    }
    stateBeforeComment(c) {
        if (c === CharCodes.Dash) {
            this.state = State.InCommentLike;
            this.currentSequence = Sequences.CommentEnd;
            // Allow short comments (eg. <!-->)
            this.sequenceIndex = 2;
            this.sectionStart = this.index + 1;
        }
        else {
            this.state = State.InDeclaration;
        }
    }
    stateInSpecialComment(c) {
        if (c === CharCodes.Gt || this.fastForwardTo(CharCodes.Gt)) {
            this.cbs.oncomment(this.sectionStart, this.index, 0);
            this.state = State.Text;
            this.sectionStart = this.index + 1;
        }
    }
    stateBeforeSpecialS(c) {
        const lower = c | 0x20;
        if (lower === Sequences.ScriptEnd[3]) {
            this.startSpecial(Sequences.ScriptEnd, 4);
        }
        else if (lower === Sequences.StyleEnd[3]) {
            this.startSpecial(Sequences.StyleEnd, 4);
        }
        else {
            this.state = State.InTagName;
            this.stateInTagName(c); // Consume the token again
        }
    }
    stateBeforeEntity(c) {
        // Start excess with 1 to include the '&'
        this.entityExcess = 1;
        this.entityResult = 0;
        if (c === CharCodes.Number) {
            this.state = State.BeforeNumericEntity;
        }
        else if (c === CharCodes.Amp) ;
        else {
            this.trieIndex = 0;
            this.trieCurrent = this.entityTrie[0];
            this.state = State.InNamedEntity;
            this.stateInNamedEntity(c);
        }
    }
    stateInNamedEntity(c) {
        this.entityExcess += 1;
        this.trieIndex = determineBranch(this.entityTrie, this.trieCurrent, this.trieIndex + 1, c);
        if (this.trieIndex < 0) {
            this.emitNamedEntity();
            this.index--;
            return;
        }
        this.trieCurrent = this.entityTrie[this.trieIndex];
        const masked = this.trieCurrent & BinTrieFlags.VALUE_LENGTH;
        // If the branch is a value, store it and continue
        if (masked) {
            // The mask is the number of bytes of the value, including the current byte.
            const valueLength = (masked >> 14) - 1;
            // If we have a legacy entity while parsing strictly, just skip the number of bytes
            if (!this.allowLegacyEntity() && c !== CharCodes.Semi) {
                this.trieIndex += valueLength;
            }
            else {
                // Add 1 as we have already incremented the excess
                const entityStart = this.index - this.entityExcess + 1;
                if (entityStart > this.sectionStart) {
                    this.emitPartial(this.sectionStart, entityStart);
                }
                // If this is a surrogate pair, consume the next two bytes
                this.entityResult = this.trieIndex;
                this.trieIndex += valueLength;
                this.entityExcess = 0;
                this.sectionStart = this.index + 1;
                if (valueLength === 0) {
                    this.emitNamedEntity();
                }
            }
        }
    }
    emitNamedEntity() {
        this.state = this.baseState;
        if (this.entityResult === 0) {
            return;
        }
        const valueLength = (this.entityTrie[this.entityResult] & BinTrieFlags.VALUE_LENGTH) >>
            14;
        switch (valueLength) {
            case 1: {
                this.emitCodePoint(this.entityTrie[this.entityResult] &
                    ~BinTrieFlags.VALUE_LENGTH);
                break;
            }
            case 2: {
                this.emitCodePoint(this.entityTrie[this.entityResult + 1]);
                break;
            }
            case 3: {
                this.emitCodePoint(this.entityTrie[this.entityResult + 1]);
                this.emitCodePoint(this.entityTrie[this.entityResult + 2]);
            }
        }
    }
    stateBeforeNumericEntity(c) {
        if ((c | 0x20) === CharCodes.LowerX) {
            this.entityExcess++;
            this.state = State.InHexEntity;
        }
        else {
            this.state = State.InNumericEntity;
            this.stateInNumericEntity(c);
        }
    }
    emitNumericEntity(strict) {
        const entityStart = this.index - this.entityExcess - 1;
        const numberStart = entityStart + 2 + Number(this.state === State.InHexEntity);
        if (numberStart !== this.index) {
            // Emit leading data if any
            if (entityStart > this.sectionStart) {
                this.emitPartial(this.sectionStart, entityStart);
            }
            this.sectionStart = this.index + Number(strict);
            this.emitCodePoint(replaceCodePoint(this.entityResult));
        }
        this.state = this.baseState;
    }
    stateInNumericEntity(c) {
        if (c === CharCodes.Semi) {
            this.emitNumericEntity(true);
        }
        else if (isNumber(c)) {
            this.entityResult = this.entityResult * 10 + (c - CharCodes.Zero);
            this.entityExcess++;
        }
        else {
            if (this.allowLegacyEntity()) {
                this.emitNumericEntity(false);
            }
            else {
                this.state = this.baseState;
            }
            this.index--;
        }
    }
    stateInHexEntity(c) {
        if (c === CharCodes.Semi) {
            this.emitNumericEntity(true);
        }
        else if (isNumber(c)) {
            this.entityResult = this.entityResult * 16 + (c - CharCodes.Zero);
            this.entityExcess++;
        }
        else if (isHexDigit(c)) {
            this.entityResult =
                this.entityResult * 16 + ((c | 0x20) - CharCodes.LowerA + 10);
            this.entityExcess++;
        }
        else {
            if (this.allowLegacyEntity()) {
                this.emitNumericEntity(false);
            }
            else {
                this.state = this.baseState;
            }
            this.index--;
        }
    }
    allowLegacyEntity() {
        return (!this.xmlMode &&
            (this.baseState === State.Text ||
                this.baseState === State.InSpecialTag));
    }
    /**
     * Remove data that has already been consumed from the buffer.
     */
    cleanup() {
        // If we are inside of text or attributes, emit what we already have.
        if (this.running && this.sectionStart !== this.index) {
            if (this.state === State.Text ||
                (this.state === State.InSpecialTag && this.sequenceIndex === 0)) {
                this.cbs.ontext(this.sectionStart, this.index);
                this.sectionStart = this.index;
            }
            else if (this.state === State.InAttributeValueDq ||
                this.state === State.InAttributeValueSq ||
                this.state === State.InAttributeValueNq) {
                this.cbs.onattribdata(this.sectionStart, this.index);
                this.sectionStart = this.index;
            }
        }
    }
    shouldContinue() {
        return this.index < this.buffer.length + this.offset && this.running;
    }
    /**
     * Iterates through the buffer, calling the function corresponding to the current state.
     *
     * States that are more likely to be hit are higher up, as a performance improvement.
     */
    parse() {
        while (this.shouldContinue()) {
            const c = this.buffer.charCodeAt(this.index - this.offset);
            switch (this.state) {
                case State.Text: {
                    this.stateText(c);
                    break;
                }
                case State.SpecialStartSequence: {
                    this.stateSpecialStartSequence(c);
                    break;
                }
                case State.InSpecialTag: {
                    this.stateInSpecialTag(c);
                    break;
                }
                case State.CDATASequence: {
                    this.stateCDATASequence(c);
                    break;
                }
                case State.InAttributeValueDq: {
                    this.stateInAttributeValueDoubleQuotes(c);
                    break;
                }
                case State.InAttributeName: {
                    this.stateInAttributeName(c);
                    break;
                }
                case State.InCommentLike: {
                    this.stateInCommentLike(c);
                    break;
                }
                case State.InSpecialComment: {
                    this.stateInSpecialComment(c);
                    break;
                }
                case State.BeforeAttributeName: {
                    this.stateBeforeAttributeName(c);
                    break;
                }
                case State.InTagName: {
                    this.stateInTagName(c);
                    break;
                }
                case State.InClosingTagName: {
                    this.stateInClosingTagName(c);
                    break;
                }
                case State.BeforeTagName: {
                    this.stateBeforeTagName(c);
                    break;
                }
                case State.AfterAttributeName: {
                    this.stateAfterAttributeName(c);
                    break;
                }
                case State.InAttributeValueSq: {
                    this.stateInAttributeValueSingleQuotes(c);
                    break;
                }
                case State.BeforeAttributeValue: {
                    this.stateBeforeAttributeValue(c);
                    break;
                }
                case State.BeforeClosingTagName: {
                    this.stateBeforeClosingTagName(c);
                    break;
                }
                case State.AfterClosingTagName: {
                    this.stateAfterClosingTagName(c);
                    break;
                }
                case State.BeforeSpecialS: {
                    this.stateBeforeSpecialS(c);
                    break;
                }
                case State.InAttributeValueNq: {
                    this.stateInAttributeValueNoQuotes(c);
                    break;
                }
                case State.InSelfClosingTag: {
                    this.stateInSelfClosingTag(c);
                    break;
                }
                case State.InDeclaration: {
                    this.stateInDeclaration(c);
                    break;
                }
                case State.BeforeDeclaration: {
                    this.stateBeforeDeclaration(c);
                    break;
                }
                case State.BeforeComment: {
                    this.stateBeforeComment(c);
                    break;
                }
                case State.InProcessingInstruction: {
                    this.stateInProcessingInstruction(c);
                    break;
                }
                case State.InNamedEntity: {
                    this.stateInNamedEntity(c);
                    break;
                }
                case State.BeforeEntity: {
                    this.stateBeforeEntity(c);
                    break;
                }
                case State.InHexEntity: {
                    this.stateInHexEntity(c);
                    break;
                }
                case State.InNumericEntity: {
                    this.stateInNumericEntity(c);
                    break;
                }
                default: {
                    // `this._state === State.BeforeNumericEntity`
                    this.stateBeforeNumericEntity(c);
                }
            }
            this.index++;
        }
        this.cleanup();
    }
    finish() {
        if (this.state === State.InNamedEntity) {
            this.emitNamedEntity();
        }
        // If there is remaining data, emit it in a reasonable way
        if (this.sectionStart < this.index) {
            this.handleTrailingData();
        }
        this.cbs.onend();
    }
    /** Handle any trailing data. */
    handleTrailingData() {
        const endIndex = this.buffer.length + this.offset;
        if (this.state === State.InCommentLike) {
            if (this.currentSequence === Sequences.CdataEnd) {
                this.cbs.oncdata(this.sectionStart, endIndex, 0);
            }
            else {
                this.cbs.oncomment(this.sectionStart, endIndex, 0);
            }
        }
        else if (this.state === State.InNumericEntity &&
            this.allowLegacyEntity()) {
            this.emitNumericEntity(false);
            // All trailing data will have been consumed
        }
        else if (this.state === State.InHexEntity &&
            this.allowLegacyEntity()) {
            this.emitNumericEntity(false);
            // All trailing data will have been consumed
        }
        else if (this.state === State.InTagName ||
            this.state === State.BeforeAttributeName ||
            this.state === State.BeforeAttributeValue ||
            this.state === State.AfterAttributeName ||
            this.state === State.InAttributeName ||
            this.state === State.InAttributeValueSq ||
            this.state === State.InAttributeValueDq ||
            this.state === State.InAttributeValueNq ||
            this.state === State.InClosingTagName) ;
        else {
            this.cbs.ontext(this.sectionStart, endIndex);
        }
    }
    emitPartial(start, endIndex) {
        if (this.baseState !== State.Text &&
            this.baseState !== State.InSpecialTag) {
            this.cbs.onattribdata(start, endIndex);
        }
        else {
            this.cbs.ontext(start, endIndex);
        }
    }
    emitCodePoint(cp) {
        if (this.baseState !== State.Text &&
            this.baseState !== State.InSpecialTag) {
            this.cbs.onattribentity(cp);
        }
        else {
            this.cbs.ontextentity(cp);
        }
    }
}

const formTags = new Set([
    "input",
    "option",
    "optgroup",
    "select",
    "button",
    "datalist",
    "textarea",
]);
const pTag = new Set(["p"]);
const tableSectionTags = new Set(["thead", "tbody"]);
const ddtTags = new Set(["dd", "dt"]);
const rtpTags = new Set(["rt", "rp"]);
const openImpliesClose = new Map([
    ["tr", new Set(["tr", "th", "td"])],
    ["th", new Set(["th"])],
    ["td", new Set(["thead", "th", "td"])],
    ["body", new Set(["head", "link", "script"])],
    ["li", new Set(["li"])],
    ["p", pTag],
    ["h1", pTag],
    ["h2", pTag],
    ["h3", pTag],
    ["h4", pTag],
    ["h5", pTag],
    ["h6", pTag],
    ["select", formTags],
    ["input", formTags],
    ["output", formTags],
    ["button", formTags],
    ["datalist", formTags],
    ["textarea", formTags],
    ["option", new Set(["option"])],
    ["optgroup", new Set(["optgroup", "option"])],
    ["dd", ddtTags],
    ["dt", ddtTags],
    ["address", pTag],
    ["article", pTag],
    ["aside", pTag],
    ["blockquote", pTag],
    ["details", pTag],
    ["div", pTag],
    ["dl", pTag],
    ["fieldset", pTag],
    ["figcaption", pTag],
    ["figure", pTag],
    ["footer", pTag],
    ["form", pTag],
    ["header", pTag],
    ["hr", pTag],
    ["main", pTag],
    ["nav", pTag],
    ["ol", pTag],
    ["pre", pTag],
    ["section", pTag],
    ["table", pTag],
    ["ul", pTag],
    ["rt", rtpTags],
    ["rp", rtpTags],
    ["tbody", tableSectionTags],
    ["tfoot", tableSectionTags],
]);
const voidElements = new Set([
    "area",
    "base",
    "basefont",
    "br",
    "col",
    "command",
    "embed",
    "frame",
    "hr",
    "img",
    "input",
    "isindex",
    "keygen",
    "link",
    "meta",
    "param",
    "source",
    "track",
    "wbr",
]);
const foreignContextElements = new Set(["math", "svg"]);
const htmlIntegrationElements = new Set([
    "mi",
    "mo",
    "mn",
    "ms",
    "mtext",
    "annotation-xml",
    "foreignobject",
    "desc",
    "title",
]);
const reNameEnd = /\s|\//;
class Parser {
    constructor(cbs, options = {}) {
        var _a, _b, _c, _d, _e;
        this.options = options;
        /** The start index of the last event. */
        this.startIndex = 0;
        /** The end index of the last event. */
        this.endIndex = 0;
        /**
         * Store the start index of the current open tag,
         * so we can update the start index for attributes.
         */
        this.openTagStart = 0;
        this.tagname = "";
        this.attribname = "";
        this.attribvalue = "";
        this.attribs = null;
        this.stack = [];
        this.foreignContext = [];
        this.buffers = [];
        this.bufferOffset = 0;
        /** The index of the last written buffer. Used when resuming after a `pause()`. */
        this.writeIndex = 0;
        /** Indicates whether the parser has finished running / `.end` has been called. */
        this.ended = false;
        this.cbs = cbs !== null && cbs !== void 0 ? cbs : {};
        this.lowerCaseTagNames = (_a = options.lowerCaseTags) !== null && _a !== void 0 ? _a : !options.xmlMode;
        this.lowerCaseAttributeNames =
            (_b = options.lowerCaseAttributeNames) !== null && _b !== void 0 ? _b : !options.xmlMode;
        this.tokenizer = new ((_c = options.Tokenizer) !== null && _c !== void 0 ? _c : Tokenizer)(this.options, this);
        (_e = (_d = this.cbs).onparserinit) === null || _e === void 0 ? void 0 : _e.call(_d, this);
    }
    // Tokenizer event handlers
    /** @internal */
    ontext(start, endIndex) {
        var _a, _b;
        const data = this.getSlice(start, endIndex);
        this.endIndex = endIndex - 1;
        (_b = (_a = this.cbs).ontext) === null || _b === void 0 ? void 0 : _b.call(_a, data);
        this.startIndex = endIndex;
    }
    /** @internal */
    ontextentity(cp) {
        var _a, _b;
        /*
         * Entities can be emitted on the character, or directly after.
         * We use the section start here to get accurate indices.
         */
        const index = this.tokenizer.getSectionStart();
        this.endIndex = index - 1;
        (_b = (_a = this.cbs).ontext) === null || _b === void 0 ? void 0 : _b.call(_a, fromCodePoint(cp));
        this.startIndex = index;
    }
    isVoidElement(name) {
        return !this.options.xmlMode && voidElements.has(name);
    }
    /** @internal */
    onopentagname(start, endIndex) {
        this.endIndex = endIndex;
        let name = this.getSlice(start, endIndex);
        if (this.lowerCaseTagNames) {
            name = name.toLowerCase();
        }
        this.emitOpenTag(name);
    }
    emitOpenTag(name) {
        var _a, _b, _c, _d;
        this.openTagStart = this.startIndex;
        this.tagname = name;
        const impliesClose = !this.options.xmlMode && openImpliesClose.get(name);
        if (impliesClose) {
            while (this.stack.length > 0 &&
                impliesClose.has(this.stack[this.stack.length - 1])) {
                const element = this.stack.pop();
                (_b = (_a = this.cbs).onclosetag) === null || _b === void 0 ? void 0 : _b.call(_a, element, true);
            }
        }
        if (!this.isVoidElement(name)) {
            this.stack.push(name);
            if (foreignContextElements.has(name)) {
                this.foreignContext.push(true);
            }
            else if (htmlIntegrationElements.has(name)) {
                this.foreignContext.push(false);
            }
        }
        (_d = (_c = this.cbs).onopentagname) === null || _d === void 0 ? void 0 : _d.call(_c, name);
        if (this.cbs.onopentag)
            this.attribs = {};
    }
    endOpenTag(isImplied) {
        var _a, _b;
        this.startIndex = this.openTagStart;
        if (this.attribs) {
            (_b = (_a = this.cbs).onopentag) === null || _b === void 0 ? void 0 : _b.call(_a, this.tagname, this.attribs, isImplied);
            this.attribs = null;
        }
        if (this.cbs.onclosetag && this.isVoidElement(this.tagname)) {
            this.cbs.onclosetag(this.tagname, true);
        }
        this.tagname = "";
    }
    /** @internal */
    onopentagend(endIndex) {
        this.endIndex = endIndex;
        this.endOpenTag(false);
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    }
    /** @internal */
    onclosetag(start, endIndex) {
        var _a, _b, _c, _d, _e, _f;
        this.endIndex = endIndex;
        let name = this.getSlice(start, endIndex);
        if (this.lowerCaseTagNames) {
            name = name.toLowerCase();
        }
        if (foreignContextElements.has(name) ||
            htmlIntegrationElements.has(name)) {
            this.foreignContext.pop();
        }
        if (!this.isVoidElement(name)) {
            const pos = this.stack.lastIndexOf(name);
            if (pos !== -1) {
                if (this.cbs.onclosetag) {
                    let count = this.stack.length - pos;
                    while (count--) {
                        // We know the stack has sufficient elements.
                        this.cbs.onclosetag(this.stack.pop(), count !== 0);
                    }
                }
                else
                    this.stack.length = pos;
            }
            else if (!this.options.xmlMode && name === "p") {
                // Implicit open before close
                this.emitOpenTag("p");
                this.closeCurrentTag(true);
            }
        }
        else if (!this.options.xmlMode && name === "br") {
            // We can't use `emitOpenTag` for implicit open, as `br` would be implicitly closed.
            (_b = (_a = this.cbs).onopentagname) === null || _b === void 0 ? void 0 : _b.call(_a, "br");
            (_d = (_c = this.cbs).onopentag) === null || _d === void 0 ? void 0 : _d.call(_c, "br", {}, true);
            (_f = (_e = this.cbs).onclosetag) === null || _f === void 0 ? void 0 : _f.call(_e, "br", false);
        }
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    }
    /** @internal */
    onselfclosingtag(endIndex) {
        this.endIndex = endIndex;
        if (this.options.xmlMode ||
            this.options.recognizeSelfClosing ||
            this.foreignContext[this.foreignContext.length - 1]) {
            this.closeCurrentTag(false);
            // Set `startIndex` for next node
            this.startIndex = endIndex + 1;
        }
        else {
            // Ignore the fact that the tag is self-closing.
            this.onopentagend(endIndex);
        }
    }
    closeCurrentTag(isOpenImplied) {
        var _a, _b;
        const name = this.tagname;
        this.endOpenTag(isOpenImplied);
        // Self-closing tags will be on the top of the stack
        if (this.stack[this.stack.length - 1] === name) {
            // If the opening tag isn't implied, the closing tag has to be implied.
            (_b = (_a = this.cbs).onclosetag) === null || _b === void 0 ? void 0 : _b.call(_a, name, !isOpenImplied);
            this.stack.pop();
        }
    }
    /** @internal */
    onattribname(start, endIndex) {
        this.startIndex = start;
        const name = this.getSlice(start, endIndex);
        this.attribname = this.lowerCaseAttributeNames
            ? name.toLowerCase()
            : name;
    }
    /** @internal */
    onattribdata(start, endIndex) {
        this.attribvalue += this.getSlice(start, endIndex);
    }
    /** @internal */
    onattribentity(cp) {
        this.attribvalue += fromCodePoint(cp);
    }
    /** @internal */
    onattribend(quote, endIndex) {
        var _a, _b;
        this.endIndex = endIndex;
        (_b = (_a = this.cbs).onattribute) === null || _b === void 0 ? void 0 : _b.call(_a, this.attribname, this.attribvalue, quote === QuoteType.Double
            ? '"'
            : quote === QuoteType.Single
                ? "'"
                : quote === QuoteType.NoValue
                    ? undefined
                    : null);
        if (this.attribs &&
            !Object.prototype.hasOwnProperty.call(this.attribs, this.attribname)) {
            this.attribs[this.attribname] = this.attribvalue;
        }
        this.attribvalue = "";
    }
    getInstructionName(value) {
        const index = value.search(reNameEnd);
        let name = index < 0 ? value : value.substr(0, index);
        if (this.lowerCaseTagNames) {
            name = name.toLowerCase();
        }
        return name;
    }
    /** @internal */
    ondeclaration(start, endIndex) {
        this.endIndex = endIndex;
        const value = this.getSlice(start, endIndex);
        if (this.cbs.onprocessinginstruction) {
            const name = this.getInstructionName(value);
            this.cbs.onprocessinginstruction(`!${name}`, `!${value}`);
        }
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    }
    /** @internal */
    onprocessinginstruction(start, endIndex) {
        this.endIndex = endIndex;
        const value = this.getSlice(start, endIndex);
        if (this.cbs.onprocessinginstruction) {
            const name = this.getInstructionName(value);
            this.cbs.onprocessinginstruction(`?${name}`, `?${value}`);
        }
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    }
    /** @internal */
    oncomment(start, endIndex, offset) {
        var _a, _b, _c, _d;
        this.endIndex = endIndex;
        (_b = (_a = this.cbs).oncomment) === null || _b === void 0 ? void 0 : _b.call(_a, this.getSlice(start, endIndex - offset));
        (_d = (_c = this.cbs).oncommentend) === null || _d === void 0 ? void 0 : _d.call(_c);
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    }
    /** @internal */
    oncdata(start, endIndex, offset) {
        var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k;
        this.endIndex = endIndex;
        const value = this.getSlice(start, endIndex - offset);
        if (this.options.xmlMode || this.options.recognizeCDATA) {
            (_b = (_a = this.cbs).oncdatastart) === null || _b === void 0 ? void 0 : _b.call(_a);
            (_d = (_c = this.cbs).ontext) === null || _d === void 0 ? void 0 : _d.call(_c, value);
            (_f = (_e = this.cbs).oncdataend) === null || _f === void 0 ? void 0 : _f.call(_e);
        }
        else {
            (_h = (_g = this.cbs).oncomment) === null || _h === void 0 ? void 0 : _h.call(_g, `[CDATA[${value}]]`);
            (_k = (_j = this.cbs).oncommentend) === null || _k === void 0 ? void 0 : _k.call(_j);
        }
        // Set `startIndex` for next node
        this.startIndex = endIndex + 1;
    }
    /** @internal */
    onend() {
        var _a, _b;
        if (this.cbs.onclosetag) {
            // Set the end index for all remaining tags
            this.endIndex = this.startIndex;
            for (let index = this.stack.length; index > 0; this.cbs.onclosetag(this.stack[--index], true))
                ;
        }
        (_b = (_a = this.cbs).onend) === null || _b === void 0 ? void 0 : _b.call(_a);
    }
    /**
     * Resets the parser to a blank state, ready to parse a new HTML document
     */
    reset() {
        var _a, _b, _c, _d;
        (_b = (_a = this.cbs).onreset) === null || _b === void 0 ? void 0 : _b.call(_a);
        this.tokenizer.reset();
        this.tagname = "";
        this.attribname = "";
        this.attribs = null;
        this.stack.length = 0;
        this.startIndex = 0;
        this.endIndex = 0;
        (_d = (_c = this.cbs).onparserinit) === null || _d === void 0 ? void 0 : _d.call(_c, this);
        this.buffers.length = 0;
        this.bufferOffset = 0;
        this.writeIndex = 0;
        this.ended = false;
    }
    /**
     * Resets the parser, then parses a complete document and
     * pushes it to the handler.
     *
     * @param data Document to parse.
     */
    parseComplete(data) {
        this.reset();
        this.end(data);
    }
    getSlice(start, end) {
        while (start - this.bufferOffset >= this.buffers[0].length) {
            this.shiftBuffer();
        }
        let slice = this.buffers[0].slice(start - this.bufferOffset, end - this.bufferOffset);
        while (end - this.bufferOffset > this.buffers[0].length) {
            this.shiftBuffer();
            slice += this.buffers[0].slice(0, end - this.bufferOffset);
        }
        return slice;
    }
    shiftBuffer() {
        this.bufferOffset += this.buffers[0].length;
        this.writeIndex--;
        this.buffers.shift();
    }
    /**
     * Parses a chunk of data and calls the corresponding callbacks.
     *
     * @param chunk Chunk to parse.
     */
    write(chunk) {
        var _a, _b;
        if (this.ended) {
            (_b = (_a = this.cbs).onerror) === null || _b === void 0 ? void 0 : _b.call(_a, new Error(".write() after done!"));
            return;
        }
        this.buffers.push(chunk);
        if (this.tokenizer.running) {
            this.tokenizer.write(chunk);
            this.writeIndex++;
        }
    }
    /**
     * Parses the end of the buffer and clears the stack, calls onend.
     *
     * @param chunk Optional final chunk to parse.
     */
    end(chunk) {
        var _a, _b;
        if (this.ended) {
            (_b = (_a = this.cbs).onerror) === null || _b === void 0 ? void 0 : _b.call(_a, new Error(".end() after done!"));
            return;
        }
        if (chunk)
            this.write(chunk);
        this.ended = true;
        this.tokenizer.end();
    }
    /**
     * Pauses parsing. The parser won't emit events until `resume` is called.
     */
    pause() {
        this.tokenizer.pause();
    }
    /**
     * Resumes parsing after `pause` was called.
     */
    resume() {
        this.tokenizer.resume();
        while (this.tokenizer.running &&
            this.writeIndex < this.buffers.length) {
            this.tokenizer.write(this.buffers[this.writeIndex++]);
        }
        if (this.ended)
            this.tokenizer.end();
    }
    /**
     * Alias of `write`, for backwards compatibility.
     *
     * @param chunk Chunk to parse.
     * @deprecated
     */
    parseChunk(chunk) {
        this.write(chunk);
    }
    /**
     * Alias of `end`, for backwards compatibility.
     *
     * @param chunk Optional final chunk to parse.
     * @deprecated
     */
    done(chunk) {
        this.end(chunk);
    }
}

const xmlReplacer = /["&'<>$\x80-\uFFFF]/g;
const xmlCodeMap = new Map([
    [34, "&quot;"],
    [38, "&amp;"],
    [39, "&apos;"],
    [60, "&lt;"],
    [62, "&gt;"],
]);
// For compatibility with node < 4, we wrap `codePointAt`
const getCodePoint = 
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
String.prototype.codePointAt != null
    ? (str, index) => str.codePointAt(index)
    : // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
        (c, index) => (c.charCodeAt(index) & 0xfc00) === 0xd800
            ? (c.charCodeAt(index) - 0xd800) * 0x400 +
                c.charCodeAt(index + 1) -
                0xdc00 +
                0x10000
            : c.charCodeAt(index);
/**
 * Encodes all non-ASCII characters, as well as characters not valid in XML
 * documents using XML entities.
 *
 * If a character has no equivalent entity, a
 * numeric hexadecimal reference (eg. `&#xfc;`) will be used.
 */
function encodeXML(str) {
    let ret = "";
    let lastIdx = 0;
    let match;
    while ((match = xmlReplacer.exec(str)) !== null) {
        const i = match.index;
        const char = str.charCodeAt(i);
        const next = xmlCodeMap.get(char);
        if (next !== undefined) {
            ret += str.substring(lastIdx, i) + next;
            lastIdx = i + 1;
        }
        else {
            ret += `${str.substring(lastIdx, i)}&#x${getCodePoint(str, i).toString(16)};`;
            // Increase by 1 if we have a surrogate pair
            lastIdx = xmlReplacer.lastIndex += Number((char & 0xfc00) === 0xd800);
        }
    }
    return ret + str.substr(lastIdx);
}
/**
 * Creates a function that escapes all characters matched by the given regular
 * expression using the given map of characters to escape to their entities.
 *
 * @param regex Regular expression to match characters to escape.
 * @param map Map of characters to escape to their entities.
 *
 * @returns Function that escapes all characters matched by the given regular
 * expression using the given map of characters to escape to their entities.
 */
function getEscaper(regex, map) {
    return function escape(data) {
        let match;
        let lastIdx = 0;
        let result = "";
        while ((match = regex.exec(data))) {
            if (lastIdx !== match.index) {
                result += data.substring(lastIdx, match.index);
            }
            // We know that this character will be in the map.
            result += map.get(match[0].charCodeAt(0));
            // Every match will be of length 1
            lastIdx = match.index + 1;
        }
        return result + data.substring(lastIdx);
    };
}
/**
 * Encodes all characters that have to be escaped in HTML attributes,
 * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
 *
 * @param data String to escape.
 */
const escapeAttribute = getEscaper(/["&\u00A0]/g, new Map([
    [34, "&quot;"],
    [38, "&amp;"],
    [160, "&nbsp;"],
]));
/**
 * Encodes all characters that have to be escaped in HTML text,
 * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
 *
 * @param data String to escape.
 */
const escapeText = getEscaper(/[&<>\u00A0]/g, new Map([
    [38, "&amp;"],
    [60, "&lt;"],
    [62, "&gt;"],
    [160, "&nbsp;"],
]));

const elementNames = new Map([
    "altGlyph",
    "altGlyphDef",
    "altGlyphItem",
    "animateColor",
    "animateMotion",
    "animateTransform",
    "clipPath",
    "feBlend",
    "feColorMatrix",
    "feComponentTransfer",
    "feComposite",
    "feConvolveMatrix",
    "feDiffuseLighting",
    "feDisplacementMap",
    "feDistantLight",
    "feDropShadow",
    "feFlood",
    "feFuncA",
    "feFuncB",
    "feFuncG",
    "feFuncR",
    "feGaussianBlur",
    "feImage",
    "feMerge",
    "feMergeNode",
    "feMorphology",
    "feOffset",
    "fePointLight",
    "feSpecularLighting",
    "feSpotLight",
    "feTile",
    "feTurbulence",
    "foreignObject",
    "glyphRef",
    "linearGradient",
    "radialGradient",
    "textPath",
].map((val) => [val.toLowerCase(), val]));
const attributeNames = new Map([
    "definitionURL",
    "attributeName",
    "attributeType",
    "baseFrequency",
    "baseProfile",
    "calcMode",
    "clipPathUnits",
    "diffuseConstant",
    "edgeMode",
    "filterUnits",
    "glyphRef",
    "gradientTransform",
    "gradientUnits",
    "kernelMatrix",
    "kernelUnitLength",
    "keyPoints",
    "keySplines",
    "keyTimes",
    "lengthAdjust",
    "limitingConeAngle",
    "markerHeight",
    "markerUnits",
    "markerWidth",
    "maskContentUnits",
    "maskUnits",
    "numOctaves",
    "pathLength",
    "patternContentUnits",
    "patternTransform",
    "patternUnits",
    "pointsAtX",
    "pointsAtY",
    "pointsAtZ",
    "preserveAlpha",
    "preserveAspectRatio",
    "primitiveUnits",
    "refX",
    "refY",
    "repeatCount",
    "repeatDur",
    "requiredExtensions",
    "requiredFeatures",
    "specularConstant",
    "specularExponent",
    "spreadMethod",
    "startOffset",
    "stdDeviation",
    "stitchTiles",
    "surfaceScale",
    "systemLanguage",
    "tableValues",
    "targetX",
    "targetY",
    "textLength",
    "viewBox",
    "viewTarget",
    "xChannelSelector",
    "yChannelSelector",
    "zoomAndPan",
].map((val) => [val.toLowerCase(), val]));

/*
 * Module dependencies
 */
const unencodedElements = new Set([
    "style",
    "script",
    "xmp",
    "iframe",
    "noembed",
    "noframes",
    "plaintext",
    "noscript",
]);
function replaceQuotes(value) {
    return value.replace(/"/g, "&quot;");
}
/**
 * Format attributes
 */
function formatAttributes(attributes, opts) {
    var _a;
    if (!attributes)
        return;
    const encode = ((_a = opts.encodeEntities) !== null && _a !== void 0 ? _a : opts.decodeEntities) === false
        ? replaceQuotes
        : opts.xmlMode || opts.encodeEntities !== "utf8"
            ? encodeXML
            : escapeAttribute;
    return Object.keys(attributes)
        .map((key) => {
        var _a, _b;
        const value = (_a = attributes[key]) !== null && _a !== void 0 ? _a : "";
        if (opts.xmlMode === "foreign") {
            /* Fix up mixed-case attribute names */
            key = (_b = attributeNames.get(key)) !== null && _b !== void 0 ? _b : key;
        }
        if (!opts.emptyAttrs && !opts.xmlMode && value === "") {
            return key;
        }
        return `${key}="${encode(value)}"`;
    })
        .join(" ");
}
/**
 * Self-enclosing tags
 */
const singleTag = new Set([
    "area",
    "base",
    "basefont",
    "br",
    "col",
    "command",
    "embed",
    "frame",
    "hr",
    "img",
    "input",
    "isindex",
    "keygen",
    "link",
    "meta",
    "param",
    "source",
    "track",
    "wbr",
]);
/**
 * Renders a DOM node or an array of DOM nodes to a string.
 *
 * Can be thought of as the equivalent of the `outerHTML` of the passed node(s).
 *
 * @param node Node to be rendered.
 * @param options Changes serialization behavior
 */
function render(node, options = {}) {
    const nodes = "length" in node ? node : [node];
    let output = "";
    for (let i = 0; i < nodes.length; i++) {
        output += renderNode(nodes[i], options);
    }
    return output;
}
function renderNode(node, options) {
    switch (node.type) {
        case Root:
            return render(node.children, options);
        // @ts-expect-error We don't use `Doctype` yet
        case Doctype:
        case Directive:
            return renderDirective(node);
        case Comment$1:
            return renderComment(node);
        case CDATA$1:
            return renderCdata(node);
        case Script:
        case Style:
        case Tag:
            return renderTag(node, options);
        case Text$1:
            return renderText(node, options);
    }
}
const foreignModeIntegrationPoints = new Set([
    "mi",
    "mo",
    "mn",
    "ms",
    "mtext",
    "annotation-xml",
    "foreignObject",
    "desc",
    "title",
]);
const foreignElements = new Set(["svg", "math"]);
function renderTag(elem, opts) {
    var _a;
    // Handle SVG / MathML in HTML
    if (opts.xmlMode === "foreign") {
        /* Fix up mixed-case element names */
        elem.name = (_a = elementNames.get(elem.name)) !== null && _a !== void 0 ? _a : elem.name;
        /* Exit foreign mode at integration points */
        if (elem.parent &&
            foreignModeIntegrationPoints.has(elem.parent.name)) {
            opts = { ...opts, xmlMode: false };
        }
    }
    if (!opts.xmlMode && foreignElements.has(elem.name)) {
        opts = { ...opts, xmlMode: "foreign" };
    }
    let tag = `<${elem.name}`;
    const attribs = formatAttributes(elem.attribs, opts);
    if (attribs) {
        tag += ` ${attribs}`;
    }
    if (elem.children.length === 0 &&
        (opts.xmlMode
            ? // In XML mode or foreign mode, and user hasn't explicitly turned off self-closing tags
                opts.selfClosingTags !== false
            : // User explicitly asked for self-closing tags, even in HTML mode
                opts.selfClosingTags && singleTag.has(elem.name))) {
        if (!opts.xmlMode)
            tag += " ";
        tag += "/>";
    }
    else {
        tag += ">";
        if (elem.children.length > 0) {
            tag += render(elem.children, opts);
        }
        if (opts.xmlMode || !singleTag.has(elem.name)) {
            tag += `</${elem.name}>`;
        }
    }
    return tag;
}
function renderDirective(elem) {
    return `<${elem.data}>`;
}
function renderText(elem, opts) {
    var _a;
    let data = elem.data || "";
    // If entities weren't decoded, no need to encode them back
    if (((_a = opts.encodeEntities) !== null && _a !== void 0 ? _a : opts.decodeEntities) !== false &&
        !(!opts.xmlMode &&
            elem.parent &&
            unencodedElements.has(elem.parent.name))) {
        data =
            opts.xmlMode || opts.encodeEntities !== "utf8"
                ? encodeXML(data)
                : escapeText(data);
    }
    return data;
}
function renderCdata(elem) {
    return `<![CDATA[${elem.children[0].data}]]>`;
}
function renderComment(elem) {
    return `<!--${elem.data}-->`;
}

// Helper methods
/**
 * Parses the data, returns the resulting document.
 *
 * @param data The data that should be parsed.
 * @param options Optional options for the parser and DOM builder.
 */
function parseDocument(data, options) {
    const handler = new DomHandler(undefined, options);
    new Parser(handler, options).end(data);
    return handler.root;
}

function getDefaultExportFromCjs (x) {
	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}

var isMergeableObject = function isMergeableObject(value) {
	return isNonNullObject(value)
		&& !isSpecial(value)
};

function isNonNullObject(value) {
	return !!value && typeof value === 'object'
}

function isSpecial(value) {
	var stringValue = Object.prototype.toString.call(value);

	return stringValue === '[object RegExp]'
		|| stringValue === '[object Date]'
		|| isReactElement(value)
}

// see https://github.com/facebook/react/blob/b5ac963fb791d1298e7f396236383bc955f916c1/src/isomorphic/classic/element/ReactElement.js#L21-L25
var canUseSymbol = typeof Symbol === 'function' && Symbol.for;
var REACT_ELEMENT_TYPE = canUseSymbol ? Symbol.for('react.element') : 0xeac7;

function isReactElement(value) {
	return value.$$typeof === REACT_ELEMENT_TYPE
}

function emptyTarget(val) {
	return Array.isArray(val) ? [] : {}
}

function cloneUnlessOtherwiseSpecified(value, options) {
	return (options.clone !== false && options.isMergeableObject(value))
		? deepmerge(emptyTarget(value), value, options)
		: value
}

function defaultArrayMerge(target, source, options) {
	return target.concat(source).map(function(element) {
		return cloneUnlessOtherwiseSpecified(element, options)
	})
}

function getMergeFunction(key, options) {
	if (!options.customMerge) {
		return deepmerge
	}
	var customMerge = options.customMerge(key);
	return typeof customMerge === 'function' ? customMerge : deepmerge
}

function getEnumerableOwnPropertySymbols(target) {
	return Object.getOwnPropertySymbols
		? Object.getOwnPropertySymbols(target).filter(function(symbol) {
			return Object.propertyIsEnumerable.call(target, symbol)
		})
		: []
}

function getKeys(target) {
	return Object.keys(target).concat(getEnumerableOwnPropertySymbols(target))
}

function propertyIsOnObject(object, property) {
	try {
		return property in object
	} catch(_) {
		return false
	}
}

// Protects from prototype poisoning and unexpected merging up the prototype chain.
function propertyIsUnsafe(target, key) {
	return propertyIsOnObject(target, key) // Properties are safe to merge if they don't exist in the target yet,
		&& !(Object.hasOwnProperty.call(target, key) // unsafe if they exist up the prototype chain,
			&& Object.propertyIsEnumerable.call(target, key)) // and also unsafe if they're nonenumerable.
}

function mergeObject(target, source, options) {
	var destination = {};
	if (options.isMergeableObject(target)) {
		getKeys(target).forEach(function(key) {
			destination[key] = cloneUnlessOtherwiseSpecified(target[key], options);
		});
	}
	getKeys(source).forEach(function(key) {
		if (propertyIsUnsafe(target, key)) {
			return
		}

		if (propertyIsOnObject(target, key) && options.isMergeableObject(source[key])) {
			destination[key] = getMergeFunction(key, options)(target[key], source[key], options);
		} else {
			destination[key] = cloneUnlessOtherwiseSpecified(source[key], options);
		}
	});
	return destination
}

function deepmerge(target, source, options) {
	options = options || {};
	options.arrayMerge = options.arrayMerge || defaultArrayMerge;
	options.isMergeableObject = options.isMergeableObject || isMergeableObject;
	// cloneUnlessOtherwiseSpecified is added to `options` so that custom arrayMerge()
	// implementations can use it. The caller may not replace it.
	options.cloneUnlessOtherwiseSpecified = cloneUnlessOtherwiseSpecified;

	var sourceIsArray = Array.isArray(source);
	var targetIsArray = Array.isArray(target);
	var sourceAndTargetTypesMatch = sourceIsArray === targetIsArray;

	if (!sourceAndTargetTypesMatch) {
		return cloneUnlessOtherwiseSpecified(source, options)
	} else if (sourceIsArray) {
		return options.arrayMerge(target, source, options)
	} else {
		return mergeObject(target, source, options)
	}
}

deepmerge.all = function deepmergeAll(array, options) {
	if (!Array.isArray(array)) {
		throw new Error('first argument should be an array')
	}

	return array.reduce(function(prev, next) {
		return deepmerge(prev, next, options)
	}, {})
};

var deepmerge_1 = deepmerge;

var cjs = deepmerge_1;

const merge = /*@__PURE__*/getDefaultExportFromCjs(cjs);

/**
 * Make a recursive function that will only run to a given depth
 * and switches to an alternative function at that depth. \
 * No limitation if `n` is `undefined` (Just wraps `f` in that case).
 *
 * @param   { number | undefined } n   Allowed depth of recursion. `undefined` for no limitation.
 * @param   { Function }           f   Function that accepts recursive callback as the first argument.
 * @param   { Function }           [g] Function to run instead, when maximum depth was reached. Do nothing by default.
 * @returns { Function }
 */
function limitedDepthRecursive (n, f, g = () => undefined) {
  if (n === undefined) {
    const f1 = function (...args) { return f(f1, ...args); };
    return f1;
  }
  if (n >= 0) {
    return function (...args) { return f(limitedDepthRecursive(n - 1, f, g), ...args); };
  }
  return g;
}

/**
 * Return the same string or a substring with
 * the given character occurrences removed from each side.
 *
 * @param   { string } str  A string to trim.
 * @param   { string } char A character to be trimmed.
 * @returns { string }
 */
function trimCharacter (str, char) {
  let start = 0;
  let end = str.length;
  while (start < end && str[start] === char) { ++start; }
  while (end > start && str[end - 1] === char) { --end; }
  return (start > 0 || end < str.length)
    ? str.substring(start, end)
    : str;
}

/**
 * Return the same string or a substring with
 * the given character occurrences removed from the end only.
 *
 * @param   { string } str  A string to trim.
 * @param   { string } char A character to be trimmed.
 * @returns { string }
 */
function trimCharacterEnd (str, char) {
  let end = str.length;
  while (end > 0 && str[end - 1] === char) { --end; }
  return (end < str.length)
    ? str.substring(0, end)
    : str;
}

/**
 * Return a new string will all characters replaced with unicode escape sequences.
 * This extreme kind of escaping can used to be safely compose regular expressions.
 *
 * @param { string } str A string to escape.
 * @returns { string } A string of unicode escape sequences.
 */
function unicodeEscape (str) {
  return str.replace(/[\s\S]/g, c => '\\u' + c.charCodeAt().toString(16).padStart(4, '0'));
}

/**
 * Deduplicate an array by a given key callback.
 * Item properties are merged recursively and with the preference for last defined values.
 * Of items with the same key, merged item takes the place of the last item,
 * others are omitted.
 *
 * @param { any[] } items An array to deduplicate.
 * @param { (x: any) => string } getKey Callback to get a value that distinguishes unique items.
 * @returns { any[] }
 */
function mergeDuplicatesPreferLast (items, getKey) {
  const map = new Map();
  for (let i = items.length; i-- > 0;) {
    const item = items[i];
    const key = getKey(item);
    map.set(
      key,
      (map.has(key))
        ? merge(item, map.get(key), { arrayMerge: overwriteMerge$1 })
        : item
    );
  }
  return [...map.values()].reverse();
}

const overwriteMerge$1 = (acc, src, options) => [...src];

/**
 * Get a nested property from an object.
 *
 * @param   { object }   obj  The object to query for the value.
 * @param   { string[] } path The path to the property.
 * @returns { any }
 */
function get (obj, path) {
  for (const key of path) {
    if (!obj) { return undefined; }
    obj = obj[key];
  }
  return obj;
}

/**
 * Convert a number into alphabetic sequence representation (Sequence without zeroes).
 *
 * For example: `a, ..., z, aa, ..., zz, aaa, ...`.
 *
 * @param   { number } num              Number to convert. Must be >= 1.
 * @param   { string } [baseChar = 'a'] Character for 1 in the sequence.
 * @param   { number } [base = 26]      Number of characters in the sequence.
 * @returns { string }
 */
function numberToLetterSequence (num, baseChar = 'a', base = 26) {
  const digits = [];
  do {
    num -= 1;
    digits.push(num % base);
    num = (num / base) >> 0; // quick `floor`
  } while (num > 0);
  const baseCode = baseChar.charCodeAt(0);
  return digits
    .reverse()
    .map(n => String.fromCharCode(baseCode + n))
    .join('');
}

const I = ['I', 'X', 'C', 'M'];
const V = ['V', 'L', 'D'];

/**
 * Convert a number to it's Roman representation. No large numbers extension.
 *
 * @param   { number } num Number to convert. `0 < num <= 3999`.
 * @returns { string }
 */
function numberToRoman (num) {
  return [...(num) + '']
    .map(n => +n)
    .reverse()
    .map((v, i) => ((v % 5 < 4)
      ? (v < 5 ? '' : V[i]) + I[i].repeat(v % 5)
      : I[i] + (v < 5 ? V[i] : I[i + 1])))
    .reverse()
    .join('');
}

/**
 * Helps to build text from words.
 */
class InlineTextBuilder {
  /**
   * Creates an instance of InlineTextBuilder.
   *
   * If `maxLineLength` is not provided then it is either `options.wordwrap` or unlimited.
   *
   * @param { Options } options           HtmlToText options.
   * @param { number }  [ maxLineLength ] This builder will try to wrap text to fit this line length.
   */
  constructor (options, maxLineLength = undefined) {
    /** @type { string[][] } */
    this.lines = [];
    /** @type { string[] }   */
    this.nextLineWords = [];
    this.maxLineLength = maxLineLength || options.wordwrap || Number.MAX_VALUE;
    this.nextLineAvailableChars = this.maxLineLength;
    this.wrapCharacters = get(options, ['longWordSplit', 'wrapCharacters']) || [];
    this.forceWrapOnLimit = get(options, ['longWordSplit', 'forceWrapOnLimit']) || false;

    this.stashedSpace = false;
    this.wordBreakOpportunity = false;
  }

  /**
   * Add a new word.
   *
   * @param { string } word A word to add.
   * @param { boolean } [noWrap] Don't wrap text even if the line is too long.
   */
  pushWord (word, noWrap = false) {
    if (this.nextLineAvailableChars <= 0 && !noWrap) {
      this.startNewLine();
    }
    const isLineStart = this.nextLineWords.length === 0;
    const cost = word.length + (isLineStart ? 0 : 1);
    if ((cost <= this.nextLineAvailableChars) || noWrap) { // Fits into available budget

      this.nextLineWords.push(word);
      this.nextLineAvailableChars -= cost;

    } else { // Does not fit - try to split the word

      // The word is moved to a new line - prefer to wrap between words.
      const [first, ...rest] = this.splitLongWord(word);
      if (!isLineStart) { this.startNewLine(); }
      this.nextLineWords.push(first);
      this.nextLineAvailableChars -= first.length;
      for (const part of rest) {
        this.startNewLine();
        this.nextLineWords.push(part);
        this.nextLineAvailableChars -= part.length;
      }

    }
  }

  /**
   * Pop a word from the currently built line.
   * This doesn't affect completed lines.
   *
   * @returns { string }
   */
  popWord () {
    const lastWord = this.nextLineWords.pop();
    if (lastWord !== undefined) {
      const isLineStart = this.nextLineWords.length === 0;
      const cost = lastWord.length + (isLineStart ? 0 : 1);
      this.nextLineAvailableChars += cost;
    }
    return lastWord;
  }

  /**
   * Concat a word to the last word already in the builder.
   * Adds a new word in case there are no words yet in the last line.
   *
   * @param { string } word A word to be concatenated.
   * @param { boolean } [noWrap] Don't wrap text even if the line is too long.
   */
  concatWord (word, noWrap = false) {
    if (this.wordBreakOpportunity && word.length > this.nextLineAvailableChars) {
      this.pushWord(word, noWrap);
      this.wordBreakOpportunity = false;
    } else {
      const lastWord = this.popWord();
      this.pushWord((lastWord) ? lastWord.concat(word) : word, noWrap);
    }
  }

  /**
   * Add current line (and more empty lines if provided argument > 1) to the list of complete lines and start a new one.
   *
   * @param { number } n Number of line breaks that will be added to the resulting string.
   */
  startNewLine (n = 1) {
    this.lines.push(this.nextLineWords);
    if (n > 1) {
      this.lines.push(...Array.from({ length: n - 1 }, () => []));
    }
    this.nextLineWords = [];
    this.nextLineAvailableChars = this.maxLineLength;
  }

  /**
   * No words in this builder.
   *
   * @returns { boolean }
   */
  isEmpty () {
    return this.lines.length === 0
        && this.nextLineWords.length === 0;
  }

  clear () {
    this.lines.length = 0;
    this.nextLineWords.length = 0;
    this.nextLineAvailableChars = this.maxLineLength;
  }

  /**
   * Join all lines of words inside the InlineTextBuilder into a complete string.
   *
   * @returns { string }
   */
  toString () {
    return [...this.lines, this.nextLineWords]
      .map(words => words.join(' '))
      .join('\n');
  }

  /**
   * Split a long word up to fit within the word wrap limit.
   * Use either a character to split looking back from the word wrap limit,
   * or truncate to the word wrap limit.
   *
   * @param   { string }   word Input word.
   * @returns { string[] }      Parts of the word.
   */
  splitLongWord (word) {
    const parts = [];
    let idx = 0;
    while (word.length > this.maxLineLength) {

      const firstLine = word.substring(0, this.maxLineLength);
      const remainingChars = word.substring(this.maxLineLength);

      const splitIndex = firstLine.lastIndexOf(this.wrapCharacters[idx]);

      if (splitIndex > -1) { // Found a character to split on

        word = firstLine.substring(splitIndex + 1) + remainingChars;
        parts.push(firstLine.substring(0, splitIndex + 1));

      } else { // Not found a character to split on

        idx++;
        if (idx < this.wrapCharacters.length) { // There is next character to try

          word = firstLine + remainingChars;

        } else { // No more characters to try

          if (this.forceWrapOnLimit) {
            parts.push(firstLine);
            word = remainingChars;
            if (word.length > this.maxLineLength) {
              continue;
            }
          } else {
            word = firstLine + remainingChars;
          }
          break;

        }

      }

    }
    parts.push(word); // Add remaining part to array
    return parts;
  }
}

/* eslint-disable max-classes-per-file */


class StackItem {
  constructor (next = null) { this.next = next; }

  getRoot () { return (this.next) ? this.next : this; }
}

class BlockStackItem extends StackItem {
  constructor (options, next = null, leadingLineBreaks = 1, maxLineLength = undefined) {
    super(next);
    this.leadingLineBreaks = leadingLineBreaks;
    this.inlineTextBuilder = new InlineTextBuilder(options, maxLineLength);
    this.rawText = '';
    this.stashedLineBreaks = 0;
    this.isPre = next && next.isPre;
    this.isNoWrap = next && next.isNoWrap;
  }
}

class ListStackItem extends BlockStackItem {
  constructor (
    options,
    next = null,
    {
      interRowLineBreaks = 1,
      leadingLineBreaks = 2,
      maxLineLength = undefined,
      maxPrefixLength = 0,
      prefixAlign = 'left',
    } = {}
  ) {
    super(options, next, leadingLineBreaks, maxLineLength);
    this.maxPrefixLength = maxPrefixLength;
    this.prefixAlign = prefixAlign;
    this.interRowLineBreaks = interRowLineBreaks;
  }
}

class ListItemStackItem extends BlockStackItem {
  constructor (
    options,
    next = null,
    {
      leadingLineBreaks = 1,
      maxLineLength = undefined,
      prefix = '',
    } = {}
  ) {
    super(options, next, leadingLineBreaks, maxLineLength);
    this.prefix = prefix;
  }
}

class TableStackItem extends StackItem {
  constructor (next = null) {
    super(next);
    this.rows = [];
    this.isPre = next && next.isPre;
    this.isNoWrap = next && next.isNoWrap;
  }
}

class TableRowStackItem extends StackItem {
  constructor (next = null) {
    super(next);
    this.cells = [];
    this.isPre = next && next.isPre;
    this.isNoWrap = next && next.isNoWrap;
  }
}

class TableCellStackItem extends StackItem {
  constructor (options, next = null, maxColumnWidth = undefined) {
    super(next);
    this.inlineTextBuilder = new InlineTextBuilder(options, maxColumnWidth);
    this.rawText = '';
    this.stashedLineBreaks = 0;
    this.isPre = next && next.isPre;
    this.isNoWrap = next && next.isNoWrap;
  }
}

class TransformerStackItem extends StackItem {
  constructor (next = null, transform) {
    super(next);
    this.transform = transform;
  }
}

function charactersToCodes (str) {
  return [...str]
    .map(c => '\\u' + c.charCodeAt(0).toString(16).padStart(4, '0'))
    .join('');
}

/**
 * Helps to handle HTML whitespaces.
 *
 * @class WhitespaceProcessor
 */
class WhitespaceProcessor {

  /**
   * Creates an instance of WhitespaceProcessor.
   *
   * @param { Options } options    HtmlToText options.
   * @memberof WhitespaceProcessor
   */
  constructor (options) {
    this.whitespaceChars = (options.preserveNewlines)
      ? options.whitespaceCharacters.replace(/\n/g, '')
      : options.whitespaceCharacters;
    const whitespaceCodes = charactersToCodes(this.whitespaceChars);
    this.leadingWhitespaceRe = new RegExp(`^[${whitespaceCodes}]`);
    this.trailingWhitespaceRe = new RegExp(`[${whitespaceCodes}]$`);
    this.allWhitespaceOrEmptyRe = new RegExp(`^[${whitespaceCodes}]*$`);
    this.newlineOrNonWhitespaceRe = new RegExp(`(\\n|[^\\n${whitespaceCodes}])`, 'g');
    this.newlineOrNonNewlineStringRe = new RegExp(`(\\n|[^\\n]+)`, 'g');

    if (options.preserveNewlines) {

      const wordOrNewlineRe = new RegExp(`\\n|[^\\n${whitespaceCodes}]+`, 'gm');

      /**
       * Shrink whitespaces and wrap text, add to the builder.
       *
       * @param { string }                  text              Input text.
       * @param { InlineTextBuilder }       inlineTextBuilder A builder to receive processed text.
       * @param { (str: string) => string } [ transform ]     A transform to be applied to words.
       * @param { boolean }                 [noWrap] Don't wrap text even if the line is too long.
       */
      this.shrinkWrapAdd = function (text, inlineTextBuilder, transform = (str => str), noWrap = false) {
        if (!text) { return; }
        const previouslyStashedSpace = inlineTextBuilder.stashedSpace;
        let anyMatch = false;
        let m = wordOrNewlineRe.exec(text);
        if (m) {
          anyMatch = true;
          if (m[0] === '\n') {
            inlineTextBuilder.startNewLine();
          } else if (previouslyStashedSpace || this.testLeadingWhitespace(text)) {
            inlineTextBuilder.pushWord(transform(m[0]), noWrap);
          } else {
            inlineTextBuilder.concatWord(transform(m[0]), noWrap);
          }
          while ((m = wordOrNewlineRe.exec(text)) !== null) {
            if (m[0] === '\n') {
              inlineTextBuilder.startNewLine();
            } else {
              inlineTextBuilder.pushWord(transform(m[0]), noWrap);
            }
          }
        }
        inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch) || (this.testTrailingWhitespace(text));
        // No need to stash a space in case last added item was a new line,
        // but that won't affect anything later anyway.
      };

    } else {

      const wordRe = new RegExp(`[^${whitespaceCodes}]+`, 'g');

      this.shrinkWrapAdd = function (text, inlineTextBuilder, transform = (str => str), noWrap = false) {
        if (!text) { return; }
        const previouslyStashedSpace = inlineTextBuilder.stashedSpace;
        let anyMatch = false;
        let m = wordRe.exec(text);
        if (m) {
          anyMatch = true;
          if (previouslyStashedSpace || this.testLeadingWhitespace(text)) {
            inlineTextBuilder.pushWord(transform(m[0]), noWrap);
          } else {
            inlineTextBuilder.concatWord(transform(m[0]), noWrap);
          }
          while ((m = wordRe.exec(text)) !== null) {
            inlineTextBuilder.pushWord(transform(m[0]), noWrap);
          }
        }
        inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch) || this.testTrailingWhitespace(text);
      };

    }
  }

  /**
   * Add text with only minimal processing.
   * Everything between newlines considered a single word.
   * No whitespace is trimmed.
   * Not affected by preserveNewlines option - `\n` always starts a new line.
   *
   * `noWrap` argument is `true` by default - this won't start a new line
   * even if there is not enough space left in the current line.
   *
   * @param { string }            text              Input text.
   * @param { InlineTextBuilder } inlineTextBuilder A builder to receive processed text.
   * @param { boolean }           [noWrap] Don't wrap text even if the line is too long.
   */
  addLiteral (text, inlineTextBuilder, noWrap = true) {
    if (!text) { return; }
    const previouslyStashedSpace = inlineTextBuilder.stashedSpace;
    let anyMatch = false;
    let m = this.newlineOrNonNewlineStringRe.exec(text);
    if (m) {
      anyMatch = true;
      if (m[0] === '\n') {
        inlineTextBuilder.startNewLine();
      } else if (previouslyStashedSpace) {
        inlineTextBuilder.pushWord(m[0], noWrap);
      } else {
        inlineTextBuilder.concatWord(m[0], noWrap);
      }
      while ((m = this.newlineOrNonNewlineStringRe.exec(text)) !== null) {
        if (m[0] === '\n') {
          inlineTextBuilder.startNewLine();
        } else {
          inlineTextBuilder.pushWord(m[0], noWrap);
        }
      }
    }
    inlineTextBuilder.stashedSpace = (previouslyStashedSpace && !anyMatch);
  }

  /**
   * Test whether the given text starts with HTML whitespace character.
   *
   * @param   { string }  text  The string to test.
   * @returns { boolean }
   */
  testLeadingWhitespace (text) {
    return this.leadingWhitespaceRe.test(text);
  }

  /**
   * Test whether the given text ends with HTML whitespace character.
   *
   * @param   { string }  text  The string to test.
   * @returns { boolean }
   */
  testTrailingWhitespace (text) {
    return this.trailingWhitespaceRe.test(text);
  }

  /**
   * Test whether the given text contains any non-whitespace characters.
   *
   * @param   { string }  text  The string to test.
   * @returns { boolean }
   */
  testContainsWords (text) {
    return !this.allWhitespaceOrEmptyRe.test(text);
  }

  /**
   * Return the number of newlines if there are no words.
   *
   * If any word is found then return zero regardless of the actual number of newlines.
   *
   * @param   { string }  text  Input string.
   * @returns { number }
   */
  countNewlinesNoWords (text) {
    this.newlineOrNonWhitespaceRe.lastIndex = 0;
    let counter = 0;
    let match;
    while ((match = this.newlineOrNonWhitespaceRe.exec(text)) !== null) {
      if (match[0] === '\n') {
        counter++;
      } else {
        return 0;
      }
    }
    return counter;
  }

}

/**
 * Helps to build text from inline and block elements.
 *
 * @class BlockTextBuilder
 */
class BlockTextBuilder {

  /**
   * Creates an instance of BlockTextBuilder.
   *
   * @param { Options } options HtmlToText options.
   * @param { import('selderee').Picker<DomNode, TagDefinition> } picker Selectors decision tree picker.
   * @param { any} [metadata] Optional metadata for HTML document, for use in formatters.
   */
  constructor (options, picker, metadata = undefined) {
    this.options = options;
    this.picker = picker;
    this.metadata = metadata;
    this.whitespaceProcessor = new WhitespaceProcessor(options);
    /** @type { StackItem } */
    this._stackItem = new BlockStackItem(options);
    /** @type { TransformerStackItem } */
    this._wordTransformer = undefined;
  }

  /**
   * Put a word-by-word transform function onto the transformations stack.
   *
   * Mainly used for uppercasing. Can be bypassed to add unformatted text such as URLs.
   *
   * Word transformations applied before wrapping.
   *
   * @param { (str: string) => string } wordTransform Word transformation function.
   */
  pushWordTransform (wordTransform) {
    this._wordTransformer = new TransformerStackItem(this._wordTransformer, wordTransform);
  }

  /**
   * Remove a function from the word transformations stack.
   *
   * @returns { (str: string) => string } A function that was removed.
   */
  popWordTransform () {
    if (!this._wordTransformer) { return undefined; }
    const transform = this._wordTransformer.transform;
    this._wordTransformer = this._wordTransformer.next;
    return transform;
  }

  /**
   * Ignore wordwrap option in followup inline additions and disable automatic wrapping.
   */
  startNoWrap () {
    this._stackItem.isNoWrap = true;
  }

  /**
   * Return automatic wrapping to behavior defined by options.
   */
  stopNoWrap () {
    this._stackItem.isNoWrap = false;
  }

  /** @returns { (str: string) => string } */
  _getCombinedWordTransformer () {
    const wt = (this._wordTransformer)
      ? ((str) => applyTransformer(str, this._wordTransformer))
      : undefined;
    const ce = this.options.encodeCharacters;
    return (wt)
      ? ((ce) ? (str) => ce(wt(str)) : wt)
      : ce;
  }

  _popStackItem () {
    const item = this._stackItem;
    this._stackItem = item.next;
    return item;
  }

  /**
   * Add a line break into currently built block.
   */
  addLineBreak () {
    if (!(
      this._stackItem instanceof BlockStackItem
      || this._stackItem instanceof ListItemStackItem
      || this._stackItem instanceof TableCellStackItem
    )) { return; }
    if (this._stackItem.isPre) {
      this._stackItem.rawText += '\n';
    } else {
      this._stackItem.inlineTextBuilder.startNewLine();
    }
  }

  /**
   * Allow to break line in case directly following text will not fit.
   */
  addWordBreakOpportunity () {
    if (
      this._stackItem instanceof BlockStackItem
      || this._stackItem instanceof ListItemStackItem
      || this._stackItem instanceof TableCellStackItem
    ) {
      this._stackItem.inlineTextBuilder.wordBreakOpportunity = true;
    }
  }

  /**
   * Add a node inline into the currently built block.
   *
   * @param { string } str
   * Text content of a node to add.
   *
   * @param { object } [param1]
   * Object holding the parameters of the operation.
   *
   * @param { boolean } [param1.noWordTransform]
   * Ignore word transformers if there are any.
   * Don't encode characters as well.
   * (Use this for things like URL addresses).
   */
  addInline (str, { noWordTransform = false } = {}) {
    if (!(
      this._stackItem instanceof BlockStackItem
      || this._stackItem instanceof ListItemStackItem
      || this._stackItem instanceof TableCellStackItem
    )) { return; }

    if (this._stackItem.isPre) {
      this._stackItem.rawText += str;
      return;
    }

    if (
      str.length === 0 || // empty string
      (
        this._stackItem.stashedLineBreaks && // stashed linebreaks make whitespace irrelevant
        !this.whitespaceProcessor.testContainsWords(str) // no words to add
      )
    ) { return; }

    if (this.options.preserveNewlines) {
      const newlinesNumber = this.whitespaceProcessor.countNewlinesNoWords(str);
      if (newlinesNumber > 0) {
        this._stackItem.inlineTextBuilder.startNewLine(newlinesNumber);
        // keep stashedLineBreaks unchanged
        return;
      }
    }

    if (this._stackItem.stashedLineBreaks) {
      this._stackItem.inlineTextBuilder.startNewLine(this._stackItem.stashedLineBreaks);
    }
    this.whitespaceProcessor.shrinkWrapAdd(
      str,
      this._stackItem.inlineTextBuilder,
      (noWordTransform) ? undefined : this._getCombinedWordTransformer(),
      this._stackItem.isNoWrap
    );
    this._stackItem.stashedLineBreaks = 0; // inline text doesn't introduce line breaks
  }

  /**
   * Add a string inline into the currently built block.
   *
   * Use this for markup elements that don't have to adhere
   * to text layout rules.
   *
   * @param { string } str Text to add.
   */
  addLiteral (str) {
    if (!(
      this._stackItem instanceof BlockStackItem
      || this._stackItem instanceof ListItemStackItem
      || this._stackItem instanceof TableCellStackItem
    )) { return; }

    if (str.length === 0) { return; }

    if (this._stackItem.isPre) {
      this._stackItem.rawText += str;
      return;
    }

    if (this._stackItem.stashedLineBreaks) {
      this._stackItem.inlineTextBuilder.startNewLine(this._stackItem.stashedLineBreaks);
    }
    this.whitespaceProcessor.addLiteral(
      str,
      this._stackItem.inlineTextBuilder,
      this._stackItem.isNoWrap
    );
    this._stackItem.stashedLineBreaks = 0;
  }

  /**
   * Start building a new block.
   *
   * @param { object } [param0]
   * Object holding the parameters of the block.
   *
   * @param { number } [param0.leadingLineBreaks]
   * This block should have at least this number of line breaks to separate it from any preceding block.
   *
   * @param { number }  [param0.reservedLineLength]
   * Reserve this number of characters on each line for block markup.
   *
   * @param { boolean } [param0.isPre]
   * Should HTML whitespace be preserved inside this block.
   */
  openBlock ({ leadingLineBreaks = 1, reservedLineLength = 0, isPre = false } = {}) {
    const maxLineLength = Math.max(20, this._stackItem.inlineTextBuilder.maxLineLength - reservedLineLength);
    this._stackItem = new BlockStackItem(
      this.options,
      this._stackItem,
      leadingLineBreaks,
      maxLineLength
    );
    if (isPre) { this._stackItem.isPre = true; }
  }

  /**
   * Finalize currently built block, add it's content to the parent block.
   *
   * @param { object } [param0]
   * Object holding the parameters of the block.
   *
   * @param { number } [param0.trailingLineBreaks]
   * This block should have at least this number of line breaks to separate it from any following block.
   *
   * @param { (str: string) => string } [param0.blockTransform]
   * A function to transform the block text before adding to the parent block.
   * This happens after word wrap and should be used in combination with reserved line length
   * in order to keep line lengths correct.
   * Used for whole block markup.
   */
  closeBlock ({ trailingLineBreaks = 1, blockTransform = undefined } = {}) {
    const block = this._popStackItem();
    const blockText = (blockTransform) ? blockTransform(getText(block)) : getText(block);
    addText(this._stackItem, blockText, block.leadingLineBreaks, Math.max(block.stashedLineBreaks, trailingLineBreaks));
  }

  /**
   * Start building a new list.
   *
   * @param { object } [param0]
   * Object holding the parameters of the list.
   *
   * @param { number } [param0.maxPrefixLength]
   * Length of the longest list item prefix.
   * If not supplied or too small then list items won't be aligned properly.
   *
   * @param { 'left' | 'right' } [param0.prefixAlign]
   * Specify how prefixes of different lengths have to be aligned
   * within a column.
   *
   * @param { number } [param0.interRowLineBreaks]
   * Minimum number of line breaks between list items.
   *
   * @param { number } [param0.leadingLineBreaks]
   * This list should have at least this number of line breaks to separate it from any preceding block.
   */
  openList ({ maxPrefixLength = 0, prefixAlign = 'left', interRowLineBreaks = 1, leadingLineBreaks = 2 } = {}) {
    this._stackItem = new ListStackItem(this.options, this._stackItem, {
      interRowLineBreaks: interRowLineBreaks,
      leadingLineBreaks: leadingLineBreaks,
      maxLineLength: this._stackItem.inlineTextBuilder.maxLineLength,
      maxPrefixLength: maxPrefixLength,
      prefixAlign: prefixAlign
    });
  }

  /**
   * Start building a new list item.
   *
   * @param {object} param0
   * Object holding the parameters of the list item.
   *
   * @param { string } [param0.prefix]
   * Prefix for this list item (item number, bullet point, etc).
   */
  openListItem ({ prefix = '' } = {}) {
    if (!(this._stackItem instanceof ListStackItem)) {
      throw new Error('Can\'t add a list item to something that is not a list! Check the formatter.');
    }
    const list = this._stackItem;
    const prefixLength = Math.max(prefix.length, list.maxPrefixLength);
    const maxLineLength = Math.max(20, list.inlineTextBuilder.maxLineLength - prefixLength);
    this._stackItem = new ListItemStackItem(this.options, list, {
      prefix: prefix,
      maxLineLength: maxLineLength,
      leadingLineBreaks: list.interRowLineBreaks
    });
  }

  /**
   * Finalize currently built list item, add it's content to the parent list.
   */
  closeListItem () {
    const listItem = this._popStackItem();
    const list = listItem.next;

    const prefixLength = Math.max(listItem.prefix.length, list.maxPrefixLength);
    const spacing = '\n' + ' '.repeat(prefixLength);
    const prefix = (list.prefixAlign === 'right')
      ? listItem.prefix.padStart(prefixLength)
      : listItem.prefix.padEnd(prefixLength);
    const text = prefix + getText(listItem).replace(/\n/g, spacing);

    addText(
      list,
      text,
      listItem.leadingLineBreaks,
      Math.max(listItem.stashedLineBreaks, list.interRowLineBreaks)
    );
  }

  /**
   * Finalize currently built list, add it's content to the parent block.
   *
   * @param { object } param0
   * Object holding the parameters of the list.
   *
   * @param { number } [param0.trailingLineBreaks]
   * This list should have at least this number of line breaks to separate it from any following block.
   */
  closeList ({ trailingLineBreaks = 2 } = {}) {
    const list = this._popStackItem();
    const text = getText(list);
    if (text) {
      addText(this._stackItem, text, list.leadingLineBreaks, trailingLineBreaks);
    }
  }

  /**
   * Start building a table.
   */
  openTable () {
    this._stackItem = new TableStackItem(this._stackItem);
  }

  /**
   * Start building a table row.
   */
  openTableRow () {
    if (!(this._stackItem instanceof TableStackItem)) {
      throw new Error('Can\'t add a table row to something that is not a table! Check the formatter.');
    }
    this._stackItem = new TableRowStackItem(this._stackItem);
  }

  /**
   * Start building a table cell.
   *
   * @param { object } [param0]
   * Object holding the parameters of the cell.
   *
   * @param { number } [param0.maxColumnWidth]
   * Wrap cell content to this width. Fall back to global wordwrap value if undefined.
   */
  openTableCell ({ maxColumnWidth = undefined } = {}) {
    if (!(this._stackItem instanceof TableRowStackItem)) {
      throw new Error('Can\'t add a table cell to something that is not a table row! Check the formatter.');
    }
    this._stackItem = new TableCellStackItem(this.options, this._stackItem, maxColumnWidth);
  }

  /**
   * Finalize currently built table cell and add it to parent table row's cells.
   *
   * @param { object } [param0]
   * Object holding the parameters of the cell.
   *
   * @param { number } [param0.colspan] How many columns this cell should occupy.
   * @param { number } [param0.rowspan] How many rows this cell should occupy.
   */
  closeTableCell ({ colspan = 1, rowspan = 1 } = {}) {
    const cell = this._popStackItem();
    const text = trimCharacter(getText(cell), '\n');
    cell.next.cells.push({ colspan: colspan, rowspan: rowspan, text: text });
  }

  /**
   * Finalize currently built table row and add it to parent table's rows.
   */
  closeTableRow () {
    const row = this._popStackItem();
    row.next.rows.push(row.cells);
  }

  /**
   * Finalize currently built table and add the rendered text to the parent block.
   *
   * @param { object } param0
   * Object holding the parameters of the table.
   *
   * @param { TablePrinter } param0.tableToString
   * A function to convert a table of stringified cells into a complete table.
   *
   * @param { number } [param0.leadingLineBreaks]
   * This table should have at least this number of line breaks to separate if from any preceding block.
   *
   * @param { number } [param0.trailingLineBreaks]
   * This table should have at least this number of line breaks to separate it from any following block.
   */
  closeTable ({ tableToString, leadingLineBreaks = 2, trailingLineBreaks = 2 }) {
    const table = this._popStackItem();
    const output = tableToString(table.rows);
    if (output) {
      addText(this._stackItem, output, leadingLineBreaks, trailingLineBreaks);
    }
  }

  /**
   * Return the rendered text content of this builder.
   *
   * @returns { string }
   */
  toString () {
    return getText(this._stackItem.getRoot());
    // There should only be the root item if everything is closed properly.
  }

}

function getText (stackItem) {
  if (!(
    stackItem instanceof BlockStackItem
    || stackItem instanceof ListItemStackItem
    || stackItem instanceof TableCellStackItem
  )) {
    throw new Error('Only blocks, list items and table cells can be requested for text contents.');
  }
  return (stackItem.inlineTextBuilder.isEmpty())
    ? stackItem.rawText
    : stackItem.rawText + stackItem.inlineTextBuilder.toString();
}

function addText (stackItem, text, leadingLineBreaks, trailingLineBreaks) {
  if (!(
    stackItem instanceof BlockStackItem
    || stackItem instanceof ListItemStackItem
    || stackItem instanceof TableCellStackItem
  )) {
    throw new Error('Only blocks, list items and table cells can contain text.');
  }
  const parentText = getText(stackItem);
  const lineBreaks = Math.max(stackItem.stashedLineBreaks, leadingLineBreaks);
  stackItem.inlineTextBuilder.clear();
  if (parentText) {
    stackItem.rawText = parentText + '\n'.repeat(lineBreaks) + text;
  } else {
    stackItem.rawText = text;
    stackItem.leadingLineBreaks = lineBreaks;
  }
  stackItem.stashedLineBreaks = trailingLineBreaks;
}

/**
 * @param { string } str A string to transform.
 * @param { TransformerStackItem } transformer A transformer item (with possible continuation).
 * @returns { string }
 */
function applyTransformer (str, transformer) {
  return ((transformer) ? applyTransformer(transformer.transform(str), transformer.next) : str);
}

/**
 * Compile selectors into a decision tree,
 * return a function intended for batch processing.
 *
 * @param   { Options } [options = {}]   HtmlToText options (defaults, formatters, user options merged, deduplicated).
 * @returns { (html: string, metadata?: any) => string } Pre-configured converter function.
 * @static
 */
function compile$1 (options = {}) {
  const selectorsWithoutFormat = options.selectors.filter(s => !s.format);
  if (selectorsWithoutFormat.length) {
    throw new Error(
      'Following selectors have no specified format: ' +
      selectorsWithoutFormat.map(s => `\`${s.selector}\``).join(', ')
    );
  }
  const picker = new DecisionTree(
    options.selectors.map(s => [s.selector, s])
  ).build(hp2Builder);

  if (typeof options.encodeCharacters !== 'function') {
    options.encodeCharacters = makeReplacerFromDict(options.encodeCharacters);
  }

  const baseSelectorsPicker = new DecisionTree(
    options.baseElements.selectors.map((s, i) => [s, i + 1])
  ).build(hp2Builder);
  function findBaseElements (dom) {
    return findBases(dom, options, baseSelectorsPicker);
  }

  const limitedWalk = limitedDepthRecursive(
    options.limits.maxDepth,
    recursiveWalk,
    function (dom, builder) {
      builder.addInline(options.limits.ellipsis || '');
    }
  );

  return function (html, metadata = undefined) {
    return process(html, metadata, options, picker, findBaseElements, limitedWalk);
  };
}


/**
 * Convert given HTML according to preprocessed options.
 *
 * @param { string } html HTML content to convert.
 * @param { any } metadata Optional metadata for HTML document, for use in formatters.
 * @param { Options } options HtmlToText options (preprocessed).
 * @param { import('selderee').Picker<DomNode, TagDefinition> } picker
 * Tag definition picker for DOM nodes processing.
 * @param { (dom: DomNode[]) => DomNode[] } findBaseElements
 * Function to extract elements from HTML DOM
 * that will only be present in the output text.
 * @param { RecursiveCallback } walk Recursive callback.
 * @returns { string }
 */
function process (html, metadata, options, picker, findBaseElements, walk) {
  const maxInputLength = options.limits.maxInputLength;
  if (maxInputLength && html && html.length > maxInputLength) {
    console.warn(
      `Input length ${html.length} is above allowed limit of ${maxInputLength}. Truncating without ellipsis.`
    );
    html = html.substring(0, maxInputLength);
  }

  const document = parseDocument(html, { decodeEntities: options.decodeEntities });
  const bases = findBaseElements(document.children);
  const builder = new BlockTextBuilder(options, picker, metadata);
  walk(bases, builder);
  return builder.toString();
}


function findBases (dom, options, baseSelectorsPicker) {
  const results = [];

  function recursiveWalk (walk, /** @type { DomNode[] } */ dom) {
    dom = dom.slice(0, options.limits.maxChildNodes);
    for (const elem of dom) {
      if (elem.type !== 'tag') {
        continue;
      }
      const pickedSelectorIndex = baseSelectorsPicker.pick1(elem);
      if (pickedSelectorIndex > 0) {
        results.push({ selectorIndex: pickedSelectorIndex, element: elem });
      } else if (elem.children) {
        walk(elem.children);
      }
      if (results.length >= options.limits.maxBaseElements) {
        return;
      }
    }
  }

  const limitedWalk = limitedDepthRecursive(
    options.limits.maxDepth,
    recursiveWalk
  );
  limitedWalk(dom);

  if (options.baseElements.orderBy !== 'occurrence') { // 'selectors'
    results.sort((a, b) => a.selectorIndex - b.selectorIndex);
  }
  return (options.baseElements.returnDomByDefault && results.length === 0)
    ? dom
    : results.map(x => x.element);
}

/**
 * Function to walk through DOM nodes and accumulate their string representations.
 *
 * @param   { RecursiveCallback } walk    Recursive callback.
 * @param   { DomNode[] }         [dom]   Nodes array to process.
 * @param   { BlockTextBuilder }  builder Passed around to accumulate output text.
 * @private
 */
function recursiveWalk (walk, dom, builder) {
  if (!dom) { return; }

  const options = builder.options;

  const tooManyChildNodes = dom.length > options.limits.maxChildNodes;
  if (tooManyChildNodes) {
    dom = dom.slice(0, options.limits.maxChildNodes);
    dom.push({
      data: options.limits.ellipsis,
      type: 'text'
    });
  }

  for (const elem of dom) {
    switch (elem.type) {
      case 'text': {
        builder.addInline(elem.data);
        break;
      }
      case 'tag': {
        const tagDefinition = builder.picker.pick1(elem);
        const format = options.formatters[tagDefinition.format];
        format(elem, walk, builder, tagDefinition.options || {});
        break;
      }
    }
  }

  return;
}

/**
 * @param { Object<string,string | false> } dict
 * A dictionary where keys are characters to replace
 * and values are replacement strings.
 *
 * First code point from dict keys is used.
 * Compound emojis with ZWJ are not supported (not until Node 16).
 *
 * @returns { ((str: string) => string) | undefined }
 */
function makeReplacerFromDict (dict) {
  if (!dict || Object.keys(dict).length === 0) {
    return undefined;
  }
  /** @type { [string, string][] } */
  const entries = Object.entries(dict).filter(([, v]) => v !== false);
  const regex = new RegExp(
    entries
      .map(([c]) => `(${unicodeEscape([...c][0])})`)
      .join('|'),
    'g'
  );
  const values = entries.map(([, v]) => v);
  const replacer = (m, ...cgs) => values[cgs.findIndex(cg => cg)];
  return (str) => str.replace(regex, replacer);
}

/**
 * Dummy formatter that discards the input and does nothing.
 *
 * @type { FormatCallback }
 */
function formatSkip (elem, walk, builder, formatOptions) {
  /* do nothing */
}

/**
 * Insert the given string literal inline instead of a tag.
 *
 * @type { FormatCallback }
 */
function formatInlineString (elem, walk, builder, formatOptions) {
  builder.addLiteral(formatOptions.string || '');
}

/**
 * Insert a block with the given string literal instead of a tag.
 *
 * @type { FormatCallback }
 */
function formatBlockString (elem, walk, builder, formatOptions) {
  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });
  builder.addLiteral(formatOptions.string || '');
  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });
}

/**
 * Process an inline-level element.
 *
 * @type { FormatCallback }
 */
function formatInline (elem, walk, builder, formatOptions) {
  walk(elem.children, builder);
}

/**
 * Process a block-level container.
 *
 * @type { FormatCallback }
 */
function formatBlock$1 (elem, walk, builder, formatOptions) {
  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });
  walk(elem.children, builder);
  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });
}

function renderOpenTag (elem) {
  const attrs = (elem.attribs && elem.attribs.length)
    ? ' ' + Object.entries(elem.attribs)
      .map(([k, v]) => ((v === '') ? k : `${k}=${v.replace(/"/g, '&quot;')}`))
      .join(' ')
    : '';
  return `<${elem.name}${attrs}>`;
}

function renderCloseTag (elem) {
  return `</${elem.name}>`;
}

/**
 * Render an element as inline HTML tag, walk through it's children.
 *
 * @type { FormatCallback }
 */
function formatInlineTag (elem, walk, builder, formatOptions) {
  builder.startNoWrap();
  builder.addLiteral(renderOpenTag(elem));
  builder.stopNoWrap();
  walk(elem.children, builder);
  builder.startNoWrap();
  builder.addLiteral(renderCloseTag(elem));
  builder.stopNoWrap();
}

/**
 * Render an element as HTML block bag, walk through it's children.
 *
 * @type { FormatCallback }
 */
function formatBlockTag (elem, walk, builder, formatOptions) {
  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });
  builder.startNoWrap();
  builder.addLiteral(renderOpenTag(elem));
  builder.stopNoWrap();
  walk(elem.children, builder);
  builder.startNoWrap();
  builder.addLiteral(renderCloseTag(elem));
  builder.stopNoWrap();
  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });
}

/**
 * Render an element with all it's children as inline HTML.
 *
 * @type { FormatCallback }
 */
function formatInlineHtml (elem, walk, builder, formatOptions) {
  builder.startNoWrap();
  builder.addLiteral(
    render(elem, { decodeEntities: builder.options.decodeEntities })
  );
  builder.stopNoWrap();
}

/**
 * Render an element with all it's children as HTML block.
 *
 * @type { FormatCallback }
 */
function formatBlockHtml (elem, walk, builder, formatOptions) {
  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });
  builder.startNoWrap();
  builder.addLiteral(
    render(elem, { decodeEntities: builder.options.decodeEntities })
  );
  builder.stopNoWrap();
  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });
}

/**
 * Render inline element wrapped with given strings.
 *
 * @type { FormatCallback }
 */
function formatInlineSurround (elem, walk, builder, formatOptions) {
  builder.addLiteral(formatOptions.prefix || '');
  walk(elem.children, builder);
  builder.addLiteral(formatOptions.suffix || '');
}

var genericFormatters = /*#__PURE__*/Object.freeze({
  __proto__: null,
  block: formatBlock$1,
  blockHtml: formatBlockHtml,
  blockString: formatBlockString,
  blockTag: formatBlockTag,
  inline: formatInline,
  inlineHtml: formatInlineHtml,
  inlineString: formatInlineString,
  inlineSurround: formatInlineSurround,
  inlineTag: formatInlineTag,
  skip: formatSkip
});

function getRow (matrix, j) {
  if (!matrix[j]) { matrix[j] = []; }
  return matrix[j];
}

function findFirstVacantIndex (row, x = 0) {
  while (row[x]) { x++; }
  return x;
}

function transposeInPlace (matrix, maxSize) {
  for (let i = 0; i < maxSize; i++) {
    const rowI = getRow(matrix, i);
    for (let j = 0; j < i; j++) {
      const rowJ = getRow(matrix, j);
      if (rowI[j] || rowJ[i]) {
        const temp = rowI[j];
        rowI[j] = rowJ[i];
        rowJ[i] = temp;
      }
    }
  }
}

function putCellIntoLayout (cell, layout, baseRow, baseCol) {
  for (let r = 0; r < cell.rowspan; r++) {
    const layoutRow = getRow(layout, baseRow + r);
    for (let c = 0; c < cell.colspan; c++) {
      layoutRow[baseCol + c] = cell;
    }
  }
}

function getOrInitOffset (offsets, index) {
  if (offsets[index] === undefined) {
    offsets[index] = (index === 0) ? 0 : 1 + getOrInitOffset(offsets, index - 1);
  }
  return offsets[index];
}

function updateOffset (offsets, base, span, value) {
  offsets[base + span] = Math.max(
    getOrInitOffset(offsets, base + span),
    getOrInitOffset(offsets, base) + value
  );
}

/**
 * Render a table into a string.
 * Cells can contain multiline text and span across multiple rows and columns.
 *
 * Modifies cells to add lines array.
 *
 * @param { TablePrinterCell[][] } tableRows Table to render.
 * @param { number } rowSpacing Number of spaces between columns.
 * @param { number } colSpacing Number of empty lines between rows.
 * @returns { string }
 */
function tableToString (tableRows, rowSpacing, colSpacing) {
  const layout = [];
  let colNumber = 0;
  const rowNumber = tableRows.length;
  const rowOffsets = [0];
  // Fill the layout table and row offsets row-by-row.
  for (let j = 0; j < rowNumber; j++) {
    const layoutRow = getRow(layout, j);
    const cells = tableRows[j];
    let x = 0;
    for (let i = 0; i < cells.length; i++) {
      const cell = cells[i];
      x = findFirstVacantIndex(layoutRow, x);
      putCellIntoLayout(cell, layout, j, x);
      x += cell.colspan;
      cell.lines = cell.text.split('\n');
      const cellHeight = cell.lines.length;
      updateOffset(rowOffsets, j, cell.rowspan, cellHeight + rowSpacing);
    }
    colNumber = (layoutRow.length > colNumber) ? layoutRow.length : colNumber;
  }

  transposeInPlace(layout, (rowNumber > colNumber) ? rowNumber : colNumber);

  const outputLines = [];
  const colOffsets = [0];
  // Fill column offsets and output lines column-by-column.
  for (let x = 0; x < colNumber; x++) {
    let y = 0;
    let cell;
    const rowsInThisColumn = Math.min(rowNumber, layout[x].length);
    while (y < rowsInThisColumn) {
      cell = layout[x][y];
      if (cell) {
        if (!cell.rendered) {
          let cellWidth = 0;
          for (let j = 0; j < cell.lines.length; j++) {
            const line = cell.lines[j];
            const lineOffset = rowOffsets[y] + j;
            outputLines[lineOffset] = (outputLines[lineOffset] || '').padEnd(colOffsets[x]) + line;
            cellWidth = (line.length > cellWidth) ? line.length : cellWidth;
          }
          updateOffset(colOffsets, x, cell.colspan, cellWidth + colSpacing);
          cell.rendered = true;
        }
        y += cell.rowspan;
      } else {
        const lineOffset = rowOffsets[y];
        outputLines[lineOffset] = (outputLines[lineOffset] || '');
        y++;
      }
    }
  }

  return outputLines.join('\n');
}

/**
 * Process a line-break.
 *
 * @type { FormatCallback }
 */
function formatLineBreak (elem, walk, builder, formatOptions) {
  builder.addLineBreak();
}

/**
 * Process a `wbr` tag (word break opportunity).
 *
 * @type { FormatCallback }
 */
function formatWbr (elem, walk, builder, formatOptions) {
  builder.addWordBreakOpportunity();
}

/**
 * Process a horizontal line.
 *
 * @type { FormatCallback }
 */
function formatHorizontalLine (elem, walk, builder, formatOptions) {
  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });
  builder.addInline('-'.repeat(formatOptions.length || builder.options.wordwrap || 40));
  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });
}

/**
 * Process a paragraph.
 *
 * @type { FormatCallback }
 */
function formatParagraph (elem, walk, builder, formatOptions) {
  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });
  walk(elem.children, builder);
  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });
}

/**
 * Process a preformatted content.
 *
 * @type { FormatCallback }
 */
function formatPre (elem, walk, builder, formatOptions) {
  builder.openBlock({
    isPre: true,
    leadingLineBreaks: formatOptions.leadingLineBreaks || 2
  });
  walk(elem.children, builder);
  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });
}

/**
 * Process a heading.
 *
 * @type { FormatCallback }
 */
function formatHeading (elem, walk, builder, formatOptions) {
  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 2 });
  if (formatOptions.uppercase !== false) {
    builder.pushWordTransform(str => str.toUpperCase());
    walk(elem.children, builder);
    builder.popWordTransform();
  } else {
    walk(elem.children, builder);
  }
  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 2 });
}

/**
 * Process a blockquote.
 *
 * @type { FormatCallback }
 */
function formatBlockquote (elem, walk, builder, formatOptions) {
  builder.openBlock({
    leadingLineBreaks: formatOptions.leadingLineBreaks || 2,
    reservedLineLength: 2
  });
  walk(elem.children, builder);
  builder.closeBlock({
    trailingLineBreaks: formatOptions.trailingLineBreaks || 2,
    blockTransform: str => ((formatOptions.trimEmptyLines !== false) ? trimCharacter(str, '\n') : str)
      .split('\n')
      .map(line => '> ' + line)
      .join('\n')
  });
}

function withBrackets (str, brackets) {
  if (!brackets) { return str; }

  const lbr = (typeof brackets[0] === 'string')
    ? brackets[0]
    : '[';
  const rbr = (typeof brackets[1] === 'string')
    ? brackets[1]
    : ']';
  return lbr + str + rbr;
}

function pathRewrite (path, rewriter, baseUrl, metadata, elem) {
  const modifiedPath = (typeof rewriter === 'function')
    ? rewriter(path, metadata, elem)
    : path;
  return (modifiedPath[0] === '/' && baseUrl)
    ? trimCharacterEnd(baseUrl, '/') + modifiedPath
    : modifiedPath;
}

/**
 * Process an image.
 *
 * @type { FormatCallback }
 */
function formatImage (elem, walk, builder, formatOptions) {
  const attribs = elem.attribs || {};
  const alt = (attribs.alt)
    ? attribs.alt
    : '';
  const src = (!attribs.src)
    ? ''
    : pathRewrite(attribs.src, formatOptions.pathRewrite, formatOptions.baseUrl, builder.metadata, elem);
  const text = (!src)
    ? alt
    : (!alt)
      ? withBrackets(src, formatOptions.linkBrackets)
      : alt + ' ' + withBrackets(src, formatOptions.linkBrackets);

  builder.addInline(text, { noWordTransform: true });
}

// a img baseUrl
// a img pathRewrite
// a img linkBrackets

// a     ignoreHref: false
//            ignoreText ?
// a     noAnchorUrl: true
//            can be replaced with selector
// a     hideLinkHrefIfSameAsText: false
//            how to compare, what to show (text, href, normalized) ?
// a     mailto protocol removed without options

// a     protocols: mailto, tel, ...
//            can be matched with selector?

// anchors, protocols - only if no pathRewrite fn is provided

// normalize-url ?

// a
// a[href^="#"] - format:skip by default
// a[href^="mailto:"] - ?

/**
 * Process an anchor.
 *
 * @type { FormatCallback }
 */
function formatAnchor (elem, walk, builder, formatOptions) {
  function getHref () {
    if (formatOptions.ignoreHref) { return ''; }
    if (!elem.attribs || !elem.attribs.href) { return ''; }
    let href = elem.attribs.href.replace(/^mailto:/, '');
    if (formatOptions.noAnchorUrl && href[0] === '#') { return ''; }
    href = pathRewrite(href, formatOptions.pathRewrite, formatOptions.baseUrl, builder.metadata, elem);
    return href;
  }
  const href = getHref();
  if (!href) {
    walk(elem.children, builder);
  } else {
    let text = '';
    builder.pushWordTransform(
      str => {
        if (str) { text += str; }
        return str;
      }
    );
    walk(elem.children, builder);
    builder.popWordTransform();

    const hideSameLink = formatOptions.hideLinkHrefIfSameAsText && href === text;
    if (!hideSameLink) {
      builder.addInline(
        (!text)
          ? href
          : ' ' + withBrackets(href, formatOptions.linkBrackets),
        { noWordTransform: true }
      );
    }
  }
}

/**
 * @param { DomNode }           elem               List items with their prefixes.
 * @param { RecursiveCallback } walk               Recursive callback to process child nodes.
 * @param { BlockTextBuilder }  builder            Passed around to accumulate output text.
 * @param { FormatOptions }     formatOptions      Options specific to a formatter.
 * @param { () => string }      nextPrefixCallback Function that returns increasing index each time it is called.
 */
function formatList (elem, walk, builder, formatOptions, nextPrefixCallback) {
  const isNestedList = get(elem, ['parent', 'name']) === 'li';

  // With Roman numbers, index length is not as straightforward as with Arabic numbers or letters,
  // so the dumb length comparison is the most robust way to get the correct value.
  let maxPrefixLength = 0;
  const listItems = (elem.children || [])
    // it might be more accurate to check only for html spaces here, but no significant benefit
    .filter(child => child.type !== 'text' || !/^\s*$/.test(child.data))
    .map(function (child) {
      if (child.name !== 'li') {
        return { node: child, prefix: '' };
      }
      const prefix = (isNestedList)
        ? nextPrefixCallback().trimStart()
        : nextPrefixCallback();
      if (prefix.length > maxPrefixLength) { maxPrefixLength = prefix.length; }
      return { node: child, prefix: prefix };
    });
  if (!listItems.length) { return; }

  builder.openList({
    interRowLineBreaks: 1,
    leadingLineBreaks: isNestedList ? 1 : (formatOptions.leadingLineBreaks || 2),
    maxPrefixLength: maxPrefixLength,
    prefixAlign: 'left'
  });

  for (const { node, prefix } of listItems) {
    builder.openListItem({ prefix: prefix });
    walk([node], builder);
    builder.closeListItem();
  }

  builder.closeList({ trailingLineBreaks: isNestedList ? 1 : (formatOptions.trailingLineBreaks || 2) });
}

/**
 * Process an unordered list.
 *
 * @type { FormatCallback }
 */
function formatUnorderedList (elem, walk, builder, formatOptions) {
  const prefix = formatOptions.itemPrefix || ' * ';
  return formatList(elem, walk, builder, formatOptions, () => prefix);
}

/**
 * Process an ordered list.
 *
 * @type { FormatCallback }
 */
function formatOrderedList (elem, walk, builder, formatOptions) {
  let nextIndex = Number(elem.attribs.start || '1');
  const indexFunction = getOrderedListIndexFunction(elem.attribs.type);
  const nextPrefixCallback = () => ' ' + indexFunction(nextIndex++) + '. ';
  return formatList(elem, walk, builder, formatOptions, nextPrefixCallback);
}

/**
 * Return a function that can be used to generate index markers of a specified format.
 *
 * @param   { string } [olType='1'] Marker type.
 * @returns { (i: number) => string }
 */
function getOrderedListIndexFunction (olType = '1') {
  switch (olType) {
    case 'a': return (i) => numberToLetterSequence(i, 'a');
    case 'A': return (i) => numberToLetterSequence(i, 'A');
    case 'i': return (i) => numberToRoman(i).toLowerCase();
    case 'I': return (i) => numberToRoman(i);
    case '1':
    default: return (i) => (i).toString();
  }
}

/**
 * Given a list of class and ID selectors (prefixed with '.' and '#'),
 * return them as separate lists of names without prefixes.
 *
 * @param { string[] } selectors Class and ID selectors (`[".class", "#id"]` etc).
 * @returns { { classes: string[], ids: string[] } }
 */
function splitClassesAndIds (selectors) {
  const classes = [];
  const ids = [];
  for (const selector of selectors) {
    if (selector.startsWith('.')) {
      classes.push(selector.substring(1));
    } else if (selector.startsWith('#')) {
      ids.push(selector.substring(1));
    }
  }
  return { classes: classes, ids: ids };
}

function isDataTable (attr, tables) {
  if (tables === true) { return true; }
  if (!attr) { return false; }

  const { classes, ids } = splitClassesAndIds(tables);
  const attrClasses = (attr['class'] || '').split(' ');
  const attrIds = (attr['id'] || '').split(' ');

  return attrClasses.some(x => classes.includes(x)) || attrIds.some(x => ids.includes(x));
}

/**
 * Process a table (either as a container or as a data table, depending on options).
 *
 * @type { FormatCallback }
 */
function formatTable (elem, walk, builder, formatOptions) {
  return isDataTable(elem.attribs, builder.options.tables)
    ? formatDataTable(elem, walk, builder, formatOptions)
    : formatBlock(elem, walk, builder, formatOptions);
}

function formatBlock (elem, walk, builder, formatOptions) {
  builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks });
  walk(elem.children, builder);
  builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks });
}

/**
 * Process a data table.
 *
 * @type { FormatCallback }
 */
function formatDataTable (elem, walk, builder, formatOptions) {
  builder.openTable();
  elem.children.forEach(walkTable);
  builder.closeTable({
    tableToString: (rows) => tableToString(rows, formatOptions.rowSpacing ?? 0, formatOptions.colSpacing ?? 3),
    leadingLineBreaks: formatOptions.leadingLineBreaks,
    trailingLineBreaks: formatOptions.trailingLineBreaks
  });

  function formatCell (cellNode) {
    const colspan = +get(cellNode, ['attribs', 'colspan']) || 1;
    const rowspan = +get(cellNode, ['attribs', 'rowspan']) || 1;
    builder.openTableCell({ maxColumnWidth: formatOptions.maxColumnWidth });
    walk(cellNode.children, builder);
    builder.closeTableCell({ colspan: colspan, rowspan: rowspan });
  }

  function walkTable (elem) {
    if (elem.type !== 'tag') { return; }

    const formatHeaderCell = (formatOptions.uppercaseHeaderCells !== false)
      ? (cellNode) => {
        builder.pushWordTransform(str => str.toUpperCase());
        formatCell(cellNode);
        builder.popWordTransform();
      }
      : formatCell;

    switch (elem.name) {
      case 'thead':
      case 'tbody':
      case 'tfoot':
      case 'center':
        elem.children.forEach(walkTable);
        return;

      case 'tr': {
        builder.openTableRow();
        for (const childOfTr of elem.children) {
          if (childOfTr.type !== 'tag') { continue; }
          switch (childOfTr.name) {
            case 'th': {
              formatHeaderCell(childOfTr);
              break;
            }
            case 'td': {
              formatCell(childOfTr);
              break;
            }
              // do nothing
          }
        }
        builder.closeTableRow();
        break;
      }
        // do nothing
    }
  }
}

var textFormatters = /*#__PURE__*/Object.freeze({
  __proto__: null,
  anchor: formatAnchor,
  blockquote: formatBlockquote,
  dataTable: formatDataTable,
  heading: formatHeading,
  horizontalLine: formatHorizontalLine,
  image: formatImage,
  lineBreak: formatLineBreak,
  orderedList: formatOrderedList,
  paragraph: formatParagraph,
  pre: formatPre,
  table: formatTable,
  unorderedList: formatUnorderedList,
  wbr: formatWbr
});

/**
 * Default options.
 *
 * @constant
 * @type { Options }
 * @default
 * @private
 */
const DEFAULT_OPTIONS = {
  baseElements: {
    selectors: [ 'body' ],
    orderBy: 'selectors', // 'selectors' | 'occurrence'
    returnDomByDefault: true
  },
  decodeEntities: true,
  encodeCharacters: {},
  formatters: {},
  limits: {
    ellipsis: '...',
    maxBaseElements: undefined,
    maxChildNodes: undefined,
    maxDepth: undefined,
    maxInputLength: (1 << 24) // 16_777_216
  },
  longWordSplit: {
    forceWrapOnLimit: false,
    wrapCharacters: []
  },
  preserveNewlines: false,
  selectors: [
    { selector: '*', format: 'inline' },
    {
      selector: 'a',
      format: 'anchor',
      options: {
        baseUrl: null,
        hideLinkHrefIfSameAsText: false,
        ignoreHref: false,
        linkBrackets: ['[', ']'],
        noAnchorUrl: true
      }
    },
    { selector: 'article', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },
    { selector: 'aside', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },
    {
      selector: 'blockquote',
      format: 'blockquote',
      options: { leadingLineBreaks: 2, trailingLineBreaks: 2, trimEmptyLines: true }
    },
    { selector: 'br', format: 'lineBreak' },
    { selector: 'div', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },
    { selector: 'footer', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },
    { selector: 'form', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },
    { selector: 'h1', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },
    { selector: 'h2', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },
    { selector: 'h3', format: 'heading', options: { leadingLineBreaks: 3, trailingLineBreaks: 2, uppercase: true } },
    { selector: 'h4', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },
    { selector: 'h5', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },
    { selector: 'h6', format: 'heading', options: { leadingLineBreaks: 2, trailingLineBreaks: 2, uppercase: true } },
    { selector: 'header', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },
    {
      selector: 'hr',
      format: 'horizontalLine',
      options: { leadingLineBreaks: 2, length: undefined, trailingLineBreaks: 2 }
    },
    {
      selector: 'img',
      format: 'image',
      options: { baseUrl: null, linkBrackets: ['[', ']'] }
    },
    { selector: 'main', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },
    { selector: 'nav', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },
    {
      selector: 'ol',
      format: 'orderedList',
      options: { leadingLineBreaks: 2, trailingLineBreaks: 2 }
    },
    { selector: 'p', format: 'paragraph', options: { leadingLineBreaks: 2, trailingLineBreaks: 2 } },
    { selector: 'pre', format: 'pre', options: { leadingLineBreaks: 2, trailingLineBreaks: 2 } },
    { selector: 'section', format: 'block', options: { leadingLineBreaks: 1, trailingLineBreaks: 1 } },
    {
      selector: 'table',
      format: 'table',
      options: {
        colSpacing: 3,
        leadingLineBreaks: 2,
        maxColumnWidth: 60,
        rowSpacing: 0,
        trailingLineBreaks: 2,
        uppercaseHeaderCells: true
      }
    },
    {
      selector: 'ul',
      format: 'unorderedList',
      options: { itemPrefix: ' * ', leadingLineBreaks: 2, trailingLineBreaks: 2 }
    },
    { selector: 'wbr', format: 'wbr' },
  ],
  tables: [], // deprecated
  whitespaceCharacters: ' \t\r\n\f\u200b',
  wordwrap: 80
};

const concatMerge = (acc, src, options) => [...acc, ...src];
const overwriteMerge = (acc, src, options) => [...src];
const selectorsMerge = (acc, src, options) => (
  (acc.some(s => typeof s === 'object'))
    ? concatMerge(acc, src) // selectors
    : overwriteMerge(acc, src) // baseElements.selectors
);

/**
 * Preprocess options, compile selectors into a decision tree,
 * return a function intended for batch processing.
 *
 * @param   { Options } [options = {}]   HtmlToText options.
 * @returns { (html: string, metadata?: any) => string } Pre-configured converter function.
 * @static
 */
function compile (options = {}) {
  options = merge(
    DEFAULT_OPTIONS,
    options,
    {
      arrayMerge: overwriteMerge,
      customMerge: (key) => ((key === 'selectors') ? selectorsMerge : undefined)
    }
  );
  options.formatters = Object.assign({}, genericFormatters, textFormatters, options.formatters);
  options.selectors = mergeDuplicatesPreferLast(options.selectors, (s => s.selector));

  handleDeprecatedOptions(options);

  return compile$1(options);
}

/**
 * Convert given HTML content to plain text string.
 *
 * @param   { string }  html           HTML content to convert.
 * @param   { Options } [options = {}] HtmlToText options.
 * @param   { any }     [metadata]     Optional metadata for HTML document, for use in formatters.
 * @returns { string }                 Plain text string.
 * @static
 *
 * @example
 * const { convert } = require('html-to-text');
 * const text = convert('<h1>Hello World</h1>', {
 *   wordwrap: 130
 * });
 * console.log(text); // HELLO WORLD
 */
function convert (html, options = {}, metadata = undefined) {
  return compile(options)(html, metadata);
}

/**
 * Map previously existing and now deprecated options to the new options layout.
 * This is a subject for cleanup in major releases.
 *
 * @param { Options } options HtmlToText options.
 */
function handleDeprecatedOptions (options) {
  if (options.tags) {
    const tagDefinitions = Object.entries(options.tags).map(
      ([selector, definition]) => ({ ...definition, selector: selector || '*' })
    );
    options.selectors.push(...tagDefinitions);
    options.selectors = mergeDuplicatesPreferLast(options.selectors, (s => s.selector));
  }

  function set (obj, path, value) {
    const valueKey = path.pop();
    for (const key of path) {
      let nested = obj[key];
      if (!nested) {
        nested = {};
        obj[key] = nested;
      }
      obj = nested;
    }
    obj[valueKey] = value;
  }

  if (options['baseElement']) {
    const baseElement = options['baseElement'];
    set(
      options,
      ['baseElements', 'selectors'],
      (Array.isArray(baseElement) ? baseElement : [baseElement])
    );
  }
  if (options['returnDomByDefault'] !== undefined) {
    set(options, ['baseElements', 'returnDomByDefault'], options['returnDomByDefault']);
  }

  for (const definition of options.selectors) {
    if (definition.format === 'anchor' && get(definition, ['options', 'noLinkBrackets'])) {
      set(definition, ['options', 'linkBrackets'], false);
    }
  }
}

function htmlToText(html) {
  if (!html || typeof html !== "string")
    return html;
  return convert(html, {
    selectors: [
      { selector: "img", format: "skip" },
      { selector: "#__vue-email-preview", format: "skip" }
    ]
  });
}

const emptyStyle = {};
const baseHeaderStyles = {
  fontWeight: "500",
  paddingTop: 20
};
const h1 = {
  ...baseHeaderStyles,
  fontSize: "2.5rem"
};
const h2 = {
  ...baseHeaderStyles,
  fontSize: "2rem"
};
const h3 = {
  ...baseHeaderStyles,
  fontSize: "1.75rem"
};
const h4 = {
  ...baseHeaderStyles,
  fontSize: "1.5rem"
};
const h5 = {
  ...baseHeaderStyles,
  fontSize: "1.25rem"
};
const h6 = {
  ...baseHeaderStyles,
  fontSize: "1rem"
};
const bold = {
  fontWeight: "bold"
};
const italic = {
  fontStyle: "italic"
};
const blockQuote = {
  background: "#f9f9f9",
  borderLeft: "10px solid #ccc",
  margin: "1.5em 10px",
  padding: "1em 10px"
};
const codeInline = {
  color: "#212529",
  fontSize: "87.5%",
  display: "inline",
  background: " #f8f8f8",
  fontFamily: "SFMono-Regular,Menlo,Monaco,Consolas,monospace"
};
const codeBlock = {
  ...codeInline,
  paddingTop: 10,
  paddingRight: 10,
  paddingLeft: 10,
  paddingBottom: 1,
  marginBottom: 20,
  background: " #f8f8f8"
};
const link = {
  color: "#007bff",
  textDecoration: "underline",
  backgroundColor: "transparent"
};
const styles = {
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  blockQuote,
  bold,
  italic,
  link,
  codeBlock: { ...codeBlock, wordWrap: "break-word" },
  codeInline: { ...codeInline, wordWrap: "break-word" },
  p: emptyStyle,
  li: emptyStyle,
  ul: emptyStyle,
  ol: emptyStyle,
  image: emptyStyle,
  br: emptyStyle,
  hr: emptyStyle,
  table: emptyStyle,
  thead: emptyStyle,
  tbody: emptyStyle,
  th: emptyStyle,
  td: emptyStyle,
  tr: emptyStyle,
  strikethrough: emptyStyle
};

const patterns = {
  h1: /^#\s+(.+)$/gm,
  h2: /^##\s+(.+)$/gm,
  h3: /^###\s+(.+)$/gm,
  h4: /^####\s+(.+)$/gm,
  h5: /^#####\s+(.+)$/gm,
  h6: /^######\s+(.+)$/gm,
  p: /^(?!#{1,6}\s)((?!<(pre|blockquote|Text)\b[^>]*>)(?!.*<\/(pre|blockquote|Text)>$)((?![-*+\s]+|\d+\.\s+|#\s+|.*?\|.*?\||!\[.*?\]\(.*?\)|```\s*\n(?:.|\n)+?```| {4}(?:.|\n)+?)(?:.|\n)+?))(?=\n{2,}|$)/gm,
  bold: /\*\*(.+?)\*\*/g,
  italic: /([*_])(.*?)\1/g,
  li: /^\s*[-|\\*]\s+(.*)$/gm,
  ul: /(<li.*<\/li>)(?![\s\S]*<\/ul>)/gs,
  ol: /^(?:\d+\.\s+(?:\S.*|[\t\v\f \xA0\u1680\u2000-\u200A\u202F\u205F\u3000\uFEFF])$(?:\n(?!$).+)*(?:\n|$))+/gm,
  image: /!\[(.*?)\]\((.*?)\)/g,
  link: /\[(.+?)\]\((.*?)\)/g,
  blockQuote: /^>(?: .+(?:\n|$))+/gm,
  nestedBlockQuote: /^>( .+(?:\n|$))+/gm,
  codeBlocks: /```(?:[\s\S]*?\n)?([\s\S]*?)\n```/g,
  codeInline: /(?<!`)(`{1,2})(?!`)(.*?)(?<!`)\1(?!`)/g,
  br: / {2}\n/g,
  hr: /^-{3,}$/gm,
  table: /((?:^|\n)(?:\|[^\n]*?)+\|\n)((?:^|\n)(?:\|(?:[\s\S]*?[^\\])?\|[^\n]*)+\|\n)+/gm,
  strikethrough: /~~(.+?)~~/g
};

function camelToKebabCase(str) {
  return str.replace(/([a-z0-9])([A-Z])/g, "$1-$2").toLowerCase();
}
function parseCssInJsToInlineCss(cssProperties) {
  if (!cssProperties)
    return "";
  return Object.entries(cssProperties).map(([property, value]) => `${camelToKebabCase(property)}:${value}`).join(";");
}
async function parseMarkdownToVueEmailJSX(markdown, customStyles = {}, withDataAttr = true) {
  if (markdown === void 0 || markdown === null || markdown === "" || typeof markdown !== "string")
    return "";
  const { addHook, sanitize } = (await import('isomorphic-dompurify')).default;
  addHook("afterSanitizeAttributes", (node) => {
    if ("target" in node)
      node.setAttribute("target", "_blank");
  });
  const finalStyles = { ...styles, ...customStyles };
  let vueMailTemplate = "";
  vueMailTemplate = markdown.replace(
    patterns.codeInline,
    `<code${parseCssInJsToInlineCss(finalStyles.codeInline) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.codeInline)}"` : ""}>$2</code>`
  );
  vueMailTemplate = vueMailTemplate.replace(patterns.codeBlocks, (_, codeContent) => {
    const indentedCodeContent = codeContent.split("\n").map((line) => `  ${line}`).join("\n");
    return `<pre${parseCssInJsToInlineCss(finalStyles.codeBlock) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.codeBlock)}"` : ""}>
${indentedCodeContent}
</pre>`;
  });
  function parseMarkdownWithBlockQuotes(markdown2) {
    const blockquoteRegex = /^(>\s*((?:.+\n?)+))(?!\n>\s)/gm;
    function parseBlockQuote(match) {
      const nestedContent = match.replace(/^>\s*/gm, "");
      const nestedHTML = parseMarkdownWithBlockQuotes(nestedContent);
      return `<blockquote${parseCssInJsToInlineCss(finalStyles.blockQuote) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.blockQuote)}"` : ""}>
${nestedHTML}
</blockquote>`;
    }
    return markdown2.replace(blockquoteRegex, parseBlockQuote);
  }
  vueMailTemplate = parseMarkdownWithBlockQuotes(vueMailTemplate);
  vueMailTemplate = vueMailTemplate.replace(
    patterns.p,
    `<p${parseCssInJsToInlineCss(finalStyles.p) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.p)}"` : ""}${withDataAttr ? ' data-id="vue-email-text"' : ""}>$1</p>`
  );
  vueMailTemplate = vueMailTemplate.replace(
    patterns.h1,
    `<h1${parseCssInJsToInlineCss(finalStyles.h1) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.h1)}"` : ""}${withDataAttr ? ' data-id="vue-email-heading"' : ""}>$1</h1>`
  );
  vueMailTemplate = vueMailTemplate.replace(
    patterns.h2,
    `<h2${parseCssInJsToInlineCss(finalStyles.h2) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.h2)}"` : ""}${withDataAttr ? ' data-id="vue-email-heading"' : ""}>$1</h2>`
  );
  vueMailTemplate = vueMailTemplate.replace(
    patterns.h3,
    `<h3${parseCssInJsToInlineCss(finalStyles.h3) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.h3)}"` : ""}${withDataAttr ? ' data-id="vue-email-heading"' : ""}>$1</h3>`
  );
  vueMailTemplate = vueMailTemplate.replace(
    patterns.h4,
    `<h4${parseCssInJsToInlineCss(finalStyles.h4) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.h4)}"` : ""}${withDataAttr ? ' data-id="vue-email-heading"' : ""}>$1</h4>`
  );
  vueMailTemplate = vueMailTemplate.replace(
    patterns.h5,
    `<h5${parseCssInJsToInlineCss(finalStyles.h5) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.h5)}"` : ""}${withDataAttr ? ' data-id="vue-email-heading"' : ""}>$1</h5>`
  );
  vueMailTemplate = vueMailTemplate.replace(
    patterns.h6,
    `<h6${parseCssInJsToInlineCss(finalStyles.h6) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.h6)}"` : ""}${withDataAttr ? ' data-id="vue-email-heading"' : ""}>$1</h6>`
  );
  vueMailTemplate = vueMailTemplate.replace(patterns.table, (match) => {
    const rows = match.trim().split("\n");
    const headers = rows[0].split("|").slice(1, -1).map((cell) => cell.trim());
    const alignments = rows[1].split("|").slice(1, -1).map((cell) => {
      const align = cell.trim().toLowerCase();
      return align === ":--" ? "left" : align === "--:" ? "right" : "center";
    });
    const body = rows.slice(2).map((row) => {
      const cells = row.split("|").slice(1, -1).map((cell) => cell.trim());
      return `<tr${parseCssInJsToInlineCss(finalStyles.tr) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.tr)}"` : ""}>${cells.map(
        (cell, index) => `<td  align="${alignments[index]}"${parseCssInJsToInlineCss(finalStyles.td) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.td)}"` : ""}>${cell}</td>`
      ).join("")}</tr>`;
    }).join("");
    const table = `<table${parseCssInJsToInlineCss(finalStyles.table) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.table)}"` : ""}><thead${parseCssInJsToInlineCss(finalStyles.thead) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.thead)}"` : ""}><tr${parseCssInJsToInlineCss(finalStyles.tr) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.tr)}"` : ""}>${headers.map(
      (header, index) => `<th align="${alignments[index]}"${parseCssInJsToInlineCss(finalStyles.th) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.th)}"` : ""}>${header}</th>`
    ).join("")}</tr></thead><tbody${parseCssInJsToInlineCss(finalStyles.tbody) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.tbody)}"` : ""}>${body}</tbody></table>`;
    return table;
  });
  vueMailTemplate = vueMailTemplate.replace(
    patterns.strikethrough,
    `<del${parseCssInJsToInlineCss(finalStyles.strikethrough) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.strikethrough)}"` : ""}>$1</del>`
  );
  vueMailTemplate = vueMailTemplate.replace(
    patterns.bold,
    `<strong${parseCssInJsToInlineCss(finalStyles.bold) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.bold)}"` : ""}${withDataAttr ? ' data-id="vue-email-text"' : ""}>$1</strong>`
  );
  vueMailTemplate = vueMailTemplate.replace(
    patterns.italic,
    `<em${parseCssInJsToInlineCss(finalStyles.italic) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.italic)}"` : ""}${withDataAttr ? ' data-id="vue-email-text"' : ""}>$2</em>`
  );
  vueMailTemplate = vueMailTemplate.replace(
    patterns.li,
    `<li${parseCssInJsToInlineCss(finalStyles.li) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.li)}"` : ""}>$1</li>`
  );
  vueMailTemplate = vueMailTemplate.replace(
    patterns.ul,
    `<ul${parseCssInJsToInlineCss(finalStyles.ul) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.ul)}"` : ""}>$&</ul>`
  );
  vueMailTemplate = vueMailTemplate.replace(patterns.ol, (match) => {
    const listItems = match.split("\n").map((line) => {
      const listItemContent = line.replace(/^\d+\.\s+/, "");
      return listItemContent ? `<li${parseCssInJsToInlineCss(finalStyles.li) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.li)}"` : ""}>${listItemContent}</li>` : "";
    }).join("\n");
    return `<ol${parseCssInJsToInlineCss(finalStyles.ol) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.ol)}"` : ""}>${listItems}</ol>`;
  });
  vueMailTemplate = vueMailTemplate.replace(
    patterns.image,
    `<img src="$2" alt="$1"${parseCssInJsToInlineCss(finalStyles.image) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.image)}"` : ""}>`
  );
  vueMailTemplate = vueMailTemplate.replace(
    patterns.link,
    `<a${withDataAttr ? ' data-id="vue-email-link"' : ""}${parseCssInJsToInlineCss(finalStyles.link) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.link)}"` : ""} href="$2" target="_blank" >$1</a>`
  );
  vueMailTemplate = vueMailTemplate.replace(patterns.br, `<br${parseCssInJsToInlineCss(finalStyles.br) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.br)}"` : ""}/>`);
  vueMailTemplate = vueMailTemplate.replace(
    patterns.hr,
    `<hr${withDataAttr ? ' data-id="vue-email-hr"' : ""}${parseCssInJsToInlineCss(finalStyles.hr) !== "" ? ` style="${parseCssInJsToInlineCss(finalStyles.hr)}"` : ""}/>`
  );
  return sanitize(vueMailTemplate, {
    USE_PROFILES: { html: true }
  });
}

function pxToPt(px) {
  return Number.isNaN(Number(px)) ? null : Number.parseInt(`${px}`, 10) * 3 / 4;
}

function withMargin(props) {
  return [
    withSpace(props.m, ["margin"]),
    withSpace(props.mx, ["marginLeft", "marginRight"]),
    withSpace(props.my, ["marginTop", "marginBottom"]),
    withSpace(props.mt, ["marginTop"]),
    withSpace(props.mr, ["marginRight"]),
    withSpace(props.mb, ["marginBottom"]),
    withSpace(props.ml, ["marginLeft"])
  ].filter((s) => Object.keys(s).length)[0];
}
function withSpace(value, properties) {
  return properties.reduce((styles, property) => {
    if (value)
      return { ...styles, [property]: `${value}px` };
    return styles;
  }, {});
}

function convertStyleStringToObj(styleString) {
  const styleObj = {};
  const styleDeclarations = styleString.split(";");
  styleDeclarations.forEach((declaration) => {
    const [property, value] = declaration.split(":");
    const propName = property.trim();
    const propValue = value.trim();
    styleObj[propName] = propValue;
  });
  return styleObj;
}

const EButton = defineComponent({
  name: "EButton",
  props: {
    px: {
      type: [String, Number]
    },
    py: {
      type: [String, Number],
      default: 0
    },
    target: {
      type: String,
      default: "_blank"
    },
    href: String,
    style: Object
  },
  setup(props, { slots }) {
    const px = props.px || 0;
    const py = props.py || 0;
    const textRaise = pxToPt(Number.parseInt(py.toString()) * 2);
    const styles = typeof props.style === "string" ? convertStyleStringToObj(props.style) : props.style;
    const buttonStyle = {
      lineHeight: "100%",
      textDecoration: "none",
      display: "inline-block",
      maxWidth: "100%",
      ...styles
    };
    if ((py || px) && buttonStyle)
      buttonStyle.padding = `${py}px ${px}px`;
    const buttonTextStyle = computed(
      () => ({
        maxWidth: "100%",
        display: "inline-block",
        lineHeight: "120%",
        textDecoration: "none",
        textTransform: "none",
        msoPaddingAlt: "0px",
        msoTextRaise: pxToPt(py.toString())
      })
    );
    const firstSpan = `<!--[if mso]><i style="letter-spacing: ${px}px;mso-font-width:-100%;mso-text-raise:${textRaise}" hidden>&nbsp;</i><![endif]-->`;
    const secondSpan = `<!--[if mso]><i style="letter-spacing: ${px}px;mso-font-width:-100%" hidden>&nbsp;</i><![endif]-->`;
    return () => {
      return h(
        "a",
        {
          "data-id": "__vue-email-button",
          "style": buttonStyle,
          "href": props.href,
          "target": props.target
        },
        [
          h("span", { innerHTML: firstSpan }),
          h(
            "span",
            {
              style: buttonTextStyle.value
            },
            slots.default?.()
          ),
          h("span", { innerHTML: secondSpan })
        ]
      );
    };
  }
});

const EColumn = defineComponent({
  name: "EColumn",
  setup(_, { slots }) {
    return () => {
      return h(
        "td",
        {
          "data-id": "__vue-email-column",
          "role": "presentation"
        },
        slots.default?.()
      );
    };
  }
});

const EContainer = defineComponent({
  name: "EmailContainer",
  setup(_, { slots }) {
    return () => {
      return h(
        "table",
        {
          "align": "center",
          "width": "100%",
          "data-id": "__vue-email-container",
          "role": "presentation",
          "cellspacing": "0",
          "cellpadding": "0",
          "border": "0",
          "style": "max-width: 37.5em"
        },
        [h("tbody", [h("tr", { style: "width: 100%" }, [h("td", {}, slots.default?.())])])]
      );
    };
  }
});

const EFont = defineComponent({
  name: "EFont",
  props: {
    fontFamily: {
      type: String,
      required: true
    },
    fallbackFontFamily: {
      type: [String, Array],
      default: "Arial"
    },
    webFont: {
      type: Object,
      default: void 0
    },
    fontStyle: {
      type: String,
      default: "normal"
    },
    fontWeight: {
      type: [String, Number],
      default: 400
    }
  },
  setup({ fontFamily, fallbackFontFamily, webFont, fontStyle, fontWeight }) {
    const src = webFont ? `src: url(${webFont.url}) format('${webFont.format}');` : "";
    const style = `
      @font-face {
        font-family: '${fontFamily}';
        font-style: ${fontStyle};
        font-weight: ${fontWeight};
        mso-font-alt: '${Array.isArray(fallbackFontFamily) ? fallbackFontFamily[0] : fallbackFontFamily}';
        ${src}
      }
  
      * {
        font-family: '${fontFamily}', ${Array.isArray(fallbackFontFamily) ? fallbackFontFamily.join(", ") : fallbackFontFamily};
      }
    `;
    return () => {
      return h("style", {
        innerHTML: style
      });
    };
  }
});

const EHead = defineComponent({
  name: "EHead",
  setup(_, { slots }) {
    return () => {
      return h("head", [h("meta", { httpEquiv: "Content-Type", content: "text/html; charset=UTF-8" }), slots.default?.()]);
    };
  }
});

const EHeading = defineComponent({
  name: "EHeading",
  props: {
    as: {
      type: String,
      default: "h1"
    },
    m: {
      type: [String, Number],
      default: void 0
    },
    mx: {
      type: [String, Number],
      default: void 0
    },
    my: {
      type: [String, Number],
      default: void 0
    },
    mt: {
      type: [String, Number],
      default: void 0
    },
    mr: {
      type: [String, Number],
      default: void 0
    },
    mb: {
      type: [String, Number],
      default: void 0
    },
    ml: {
      type: [String, Number],
      default: void 0
    },
    style: {
      type: [Object, String],
      default: void 0
    }
  },
  setup(props, { slots }) {
    const styles = typeof props.style === "string" ? convertStyleStringToObj(props.style) : props.style;
    return () => {
      return h(
        props.as,
        {
          "data-id": "__vue-email-heading",
          "style": {
            ...withMargin({
              m: props.m,
              mx: props.mx,
              my: props.my,
              mt: props.mt,
              mr: props.mr,
              mb: props.mb,
              ml: props.ml
            }),
            ...styles
          }
        },
        slots.default?.()
      );
    };
  }
});

const EHr = defineComponent({
  name: "EHr",
  setup() {
    return () => {
      return h("hr", {
        "data-id": "__vue-email-hr",
        "style": "width: 100%; border: none; border-top: 1px solid #eaeaea;"
      });
    };
  }
});

const EHtml = defineComponent({
  name: "EHtml",
  props: {
    lang: {
      type: String,
      default: "en"
    },
    dir: {
      type: String,
      default: "ltr"
    }
  },
  setup(props, { slots }) {
    return () => {
      return h(
        "html",
        {
          id: "__vue-email",
          lang: props.lang,
          dir: props.dir
        },
        slots.default?.()
      );
    };
  }
});

const EImg = defineComponent({
  name: "EImg",
  props: {
    src: {
      type: String,
      required: true
    }
  },
  setup(props) {
    const src = ref(props.src);
    return () => {
      return h("img", {
        "data-id": "__vue-email-img",
        "style": "display: block; outline: none; border: none; text-decoration: none",
        "src": src.value
      });
    };
  }
});

const ELink = defineComponent({
  name: "ELink",
  props: {
    href: {
      type: String,
      required: true
    }
  },
  setup(props, { slots }) {
    return () => {
      return h(
        "a",
        {
          "data-id": "__vue-email-link",
          "style": "color: #067df7; text-decoration: none",
          "href": props.href,
          "target": "_blank"
        },
        slots.default?.()
      );
    };
  }
});

const PREVIEW_MAX_LENGTH = 150;
const EPreview = defineComponent({
  name: "EPreview",
  setup(_, { slots }) {
    const text = computed(() => {
      if (slots.default !== void 0) {
        const children = slots.default()[0].children;
        const newText = Array.isArray(children) ? children.join("") : children;
        return newText?.substring(0, PREVIEW_MAX_LENGTH);
      }
      return "";
    });
    function renderWhiteSpace(text2) {
      if (text2.length >= PREVIEW_MAX_LENGTH)
        return null;
      const whiteSpaceCodes = "\xA0\u200C\u200B\u200D\u200E\u200F\uFEFF";
      return whiteSpaceCodes.repeat(PREVIEW_MAX_LENGTH - text2.length);
    }
    return () => {
      return h(
        "div",
        {
          id: "__vue-email-preview",
          style: "display: none; overflow: hidden; line-height: 1px; opacity: 0; max-height: 0; max-width: 0"
        },
        [text.value, h("div", [renderWhiteSpace(text.value)])]
      );
    };
  }
});

const ERow = defineComponent({
  name: "ERow",
  setup(_, { slots }) {
    return () => {
      return h(
        "table",
        {
          "align": "center",
          "width": "100%",
          "data-id": "__vue-email-row",
          "role": "presentation",
          "cellSpacing": "0",
          "cellPadding": "0",
          "border": "0"
        },
        [h("tbody", { style: "width: 100%" }, [h("tr", { style: "width: 100%" }, slots.default?.())])]
      );
    };
  }
});

const ESection = defineComponent({
  name: "ESection",
  setup(_, { slots }) {
    return () => {
      return h(
        "table",
        {
          "align": "center",
          "width": "100%",
          "data-id": "__vue-email-section",
          "border": "0",
          "cellPadding": "0",
          "cellSpacing": "0",
          "role": "presentation"
        },
        [h("tbody", [h("tr", [h("td", slots.default?.())])])]
      );
    };
  }
});

function separateMediaQueriesFromCSS(css) {
  let cssWithoutMediaQueries = css;
  const mediaQueries = [];
  for (const match of css.matchAll(
    /@media[^{]*\{(?:[^{}]*\{[^{}]*\})*[^{}]*\}/g
  )) {
    const [mediaQuery] = match;
    cssWithoutMediaQueries = cssWithoutMediaQueries.replace(mediaQuery, "");
    mediaQueries.push(mediaQuery);
  }
  return [cssWithoutMediaQueries, mediaQueries];
}

function* rulesFor(cssWithRules) {
  for (const [fullRule, selector, content] of cssWithRules.matchAll(
    /\s*\.(\S+)\s*\{([^}]*)\}/g
  )) {
    yield {
      value: fullRule,
      selector,
      content
    };
  }
}

global.__OXIDE__ = void 0;
function getCssForMarkup(markup, config) {
  const corePlugins = config?.corePlugins;
  const tailwindConfig = {
    ...config,
    corePlugins: {
      preflight: false,
      ...corePlugins
    }
  };
  const processor = postcss([
    tailwindcss({
      ...tailwindConfig,
      content: [{ raw: markup, extension: "html" }]
    }),
    postcssCssVariables()
  ]);
  const result = processor.process(
    String.raw`
        @tailwind base;
        @tailwind components;
        @tailwind utilities;
      `,
    { from: void 0 }
    // no need to use from since the `content` context is sent into tailwind
  );
  return result.css;
}

function useRgbNonSpacedSyntax(css) {
  const regex = /rgb\(\s*(\d+)\s*(\d+)\s*(\d+)(?:\s*\/\s*([\d%.]+))?\s*\)/g;
  return css.replaceAll(regex, (_match, r, g, b, a) => {
    const alpha = a === "1" || typeof a === "undefined" ? "" : `,${a}`;
    return `rgb(${r},${g},${b}${alpha})`;
  });
}

function camelCase(string) {
  return string.replace(/-(\w|$)/g, (_, p1) => p1.toUpperCase());
}
function convertPropertyName(prop) {
  let modifiedProp = prop;
  modifiedProp = modifiedProp.toLowerCase();
  if (modifiedProp === "float") {
    return "cssFloat";
  }
  if (modifiedProp.startsWith("--")) {
    return modifiedProp;
  }
  if (modifiedProp.startsWith("-ms-")) {
    modifiedProp = modifiedProp.slice(1);
  }
  return camelCase(modifiedProp);
}
function getCssDeclarations(cssText) {
  return Array.from(
    cssText.matchAll(
      /([\w\-]+)\s*:\s*('[^']*'[^;]*|"[^"]*"[^;]*|[^;]*?\([^)]*\)[^;]*|[^;(]*);?/g
    )
  ).map(([_declaration, property, value]) => ({
    property,
    value: value.replaceAll(/[\r\n|]+/g, "").replaceAll(/\s+/g, " ")
  }));
}
function cssToJsxStyle(cssText) {
  const style = {};
  const declarations = getCssDeclarations(cssText);
  for (const { property, value } of declarations) {
    if (property.length > 0 && value.trim().length > 0) {
      style[convertPropertyName(property)] = value.trim();
    }
  }
  return style;
}

function unescapeClass(singleClass) {
  return singleClass.replaceAll(/\\\d|\\/g, "");
}

function sanitizeClassName(className) {
  return className.replaceAll("+", "plus").replaceAll("[", "").replaceAll("%", "pc").replaceAll("]", "").replaceAll("(", "").replaceAll(")", "").replaceAll("!", "imprtnt").replaceAll(">", "gt").replaceAll("<", "lt").replaceAll("=", "eq").replace(/[^\w\-]/g, "_");
}

function sanitizeRuleSelector(classSelector) {
  const unescapedClass = unescapeClass(classSelector);
  return sanitizeClassName(unescapedClass);
}

function makeAllRulePropertiesImportant(ruleContent) {
  return ruleContent.split(";").map(
    (declaration) => declaration.endsWith("!important") ? declaration.trim() : `${declaration.trim()}!important`
  ).join(";");
}

async function useTailwindStyles(markup, config) {
  const css = useRgbNonSpacedSyntax(getCssForMarkup(markup, config));
  const [cssWithoutMediaQueries, mediaQueries] = separateMediaQueriesFromCSS(css);
  const stylePerClassMap = {};
  for (const rule of rulesFor(cssWithoutMediaQueries)) {
    const unescapedClass = unescapeClass(rule.selector);
    stylePerClassMap[unescapedClass] = cssToJsxStyle(rule.content);
  }
  const nonInlinableClasses = [];
  const sanitizedMediaQueries = mediaQueries.map((mediaQuery) => {
    let sanitizedMediaQuery = mediaQuery;
    for (const rule of rulesFor(mediaQuery)) {
      nonInlinableClasses.push(unescapeClass(rule.selector));
      sanitizedMediaQuery = sanitizedMediaQuery.replace(
        rule.value,
        rule.value.replace(rule.selector, sanitizeRuleSelector(rule.selector)).replace(rule.content, makeAllRulePropertiesImportant(rule.content)).trim()
      );
    }
    return sanitizedMediaQuery.replace(/(\r\n|\r|\n)+/g, "").replace(/\s+/g, " ");
  });
  return {
    stylePerClassMap,
    sanitizedMediaQueries,
    nonInlinableClasses
  };
}

function useStyleInlining(stylePerClass) {
  return (className) => {
    const classes = className.split(" ");
    const residualClasses = [];
    let styles = {};
    for (const singleClass of classes) {
      if (singleClass in stylePerClass) {
        styles = {
          ...styles,
          ...stylePerClass[singleClass]
        };
      } else {
        residualClasses.push(singleClass);
      }
    }
    return {
      styles,
      residualClassName: residualClasses.join(" ")
    };
  };
}

function minifyCss(css) {
  return css.replace(/\/\*[\s\S]*?\*\//g, "").replace(/;\s+/g, ";").replace(/:\s+/g, ":").replace(/\)\s*\{/g, "){").replace(/\s+\(/g, "(").replace(/\{\s+/g, "{").replace(/\}\s+/g, "}").replace(/\s*\{/g, "{").replace(/;?\s*\}/g, "}");
}

const ETailwind = defineComponent({
  name: "ETailwind",
  props: {
    config: {
      type: Object,
      default: {},
      required: false
    }
  },
  async setup(props, { slots }) {
    if (!slots.default || !slots.default())
      throw new Error("ETailwind component must have a default slot");
    const $default = slots.default();
    const markup = await renderToString(h("div", $default)).then((html) => html.replace(/^<div[^>]*>|<\/div>$/g, ""));
    const { stylePerClassMap, nonInlinableClasses, sanitizedMediaQueries } = await useTailwindStyles(markup, props.config);
    const inline = useStyleInlining(stylePerClassMap);
    const nonInlineStylesToApply = sanitizedMediaQueries.filter(
      (style) => style.trim().length > 0
    );
    const hasNonInlineStylesToApply = nonInlineStylesToApply.length > 0;
    let hasAppliedNonInlineStyles = false;
    function processElement(element) {
      const propsToOverwrite = {};
      if (!hasAppliedNonInlineStyles && hasNonInlineStylesToApply) {
        if (element.type === "EHead" || element.type.name === "EHead") {
          hasAppliedNonInlineStyles = true;
          const children2 = element.children?.default() ?? [];
          const styleElement = h("style", {
            innerHTML: minifyCss(nonInlineStylesToApply.join(""))
          });
          children2.push(styleElement);
          return h(element.type, element.props, children2);
        }
      }
      if (element.children) {
        if (Array.isArray(element.children)) {
          const processedChillren = element.children.map((child) => {
            if (isVNode(child)) {
              const element2 = child;
              return processElement(element2);
            }
            return child;
          });
          propsToOverwrite.children = processedChillren && processedChillren.length === 1 ? processedChillren[0] : processedChillren;
        } else if (typeof element.children === "object") {
          const child = element.children?.default();
          const processedChillren = child.map((child2) => {
            if (isVNode(child2)) {
              const element2 = child2;
              return processElement(element2);
            }
            return child2;
          });
          propsToOverwrite.children = processedChillren && processedChillren.length === 1 ? processedChillren[0] : processedChillren;
        } else {
          propsToOverwrite.children = [element.children];
        }
      }
      if (element.props?.class) {
        const { styles, residualClassName } = inline(element.props.class);
        propsToOverwrite.style = {
          ...element.props.style,
          ...styles
        };
        if (residualClassName.trim().length > 0) {
          propsToOverwrite.class = residualClassName;
          for (const singleClass of nonInlinableClasses) {
            propsToOverwrite.class = propsToOverwrite.class.replace(
              singleClass,
              sanitizeClassName(singleClass)
            );
          }
        } else {
          propsToOverwrite.class = void 0;
        }
      }
      const newProps = {
        ...element.props,
        ...propsToOverwrite
      };
      const newChildren = propsToOverwrite.children ? propsToOverwrite.children : element.props?.children;
      return h(element.type, newProps, newChildren);
    }
    const children = getTransitionRawChildren($default);
    const childrenArray = children.map((child) => {
      if (isVNode(child)) {
        const element = child;
        return processElement(element);
      }
      return child;
    }) ?? [];
    if (hasNonInlineStylesToApply && !hasAppliedNonInlineStyles) {
      throw new Error(
        `You are trying to use the following Tailwind classes that have media queries: ${nonInlinableClasses.join(
          " "
        )}.
For the media queries to work properly on rendering, they need to be added into a <style> tag inside of a <head> tag,
the Tailwind component tried finding a <head> element but just wasn't able to find it.

Make sure that you have either a <head> element at some point inside of the <Tailwind> component at any depth.

If you do already have a <head> element at some depth, please file a bug https://github.com/resend/react-email/issues/new?assignees=&labels=Type%3A+Bug&projects=&template=1.bug_report.yml.`
      );
    }
    return () => childrenArray;
  }
});

const EText = defineComponent({
  name: "EText",
  setup(_, { slots }) {
    return () => {
      return h(
        "p",
        {
          "data-id": "__vue-email-text",
          "style": "font-size: 14px; line-height: 24px; margin: 16px 0;"
        },
        slots.default?.()
      );
    };
  }
});

const EMarkdown = defineComponent({
  name: "EMarkdown",
  props: {
    source: {
      type: String,
      required: true
    },
    customStyles: {
      type: Object,
      default: void 0
    },
    containerStyles: {
      type: Object,
      default: void 0
    }
  },
  async setup(props) {
    const parsedMarkdown = await parseMarkdownToVueEmailJSX(props.source, props.customStyles);
    return () => {
      return h("div", {
        "data-id": "__vue-email-markdown",
        "style": props.containerStyles,
        "innerHTML": parsedMarkdown
      });
    };
  }
});

const EStyle = defineComponent({
  name: "EStyle",
  setup(_, { slots }) {
    return () => {
      return h(
        "style",
        {
          "data-id": "__vue-email-style"
        },
        slots.default?.()
      );
    };
  }
});

const ECodeBlock = defineComponent({
  name: "ECodeBlock",
  props: {
    code: {
      type: String,
      required: true
    },
    lang: {
      type: String,
      required: true
    },
    theme: {
      type: String,
      required: true
    },
    class: {
      type: String,
      default: ""
    },
    showLineNumbers: {
      type: Boolean,
      default: false
    },
    lineNumberColor: {
      type: String,
      default: "#636E7B"
    },
    lineHighlightingColor: {
      type: String,
      default: "rgba(101, 117, 133, .16)"
    },
    highlightedLines: {
      type: Array,
      default: () => []
    }
  },
  async setup({ code, lang, theme, showLineNumbers, lineNumberColor, highlightedLines, lineHighlightingColor }) {
    const { getHighlighter } = await import('shiki');
    const shiki = await getHighlighter({
      langs: [lang],
      themes: [theme]
    });
    const themeColorBg = shiki.getTheme(theme).bg;
    const html = shiki.codeToHtml(code, {
      lang,
      theme,
      transformers: [
        {
          code(node) {
            node.properties.style = "display: table; width: 100%;";
          }
        },
        {
          line(node, line) {
            node.properties.style = "display: table-row; line-height: 1.5; height: 1.5em;";
            if (showLineNumbers) {
              node.children.unshift({
                type: "element",
                tagName: "span",
                properties: {
                  className: ["line-number"],
                  style: `padding-left: 5px; padding-right: 15px; color: ${lineNumberColor}; user-select: none;`
                },
                children: [
                  {
                    type: "text",
                    value: `${line}`
                  }
                ]
              });
            }
            if (highlightedLines.includes(line))
              node.properties.style += `background-color: ${lineHighlightingColor};`;
          }
        }
      ]
    });
    return () => h("pre", {
      class: ["shiki", theme],
      style: {
        backgroundColor: themeColorBg,
        display: "block",
        whiteSpace: "pre",
        fontFamily: "monospace"
      },
      tabindex: 0
    }, [
      h("span", {
        innerHTML: html
      })
    ]);
  }
});

const ECodeInline = defineComponent({
  name: "ECodeInline",
  props: {
    class: {
      type: String,
      default: ""
    },
    style: {
      type: Object
    }
  },
  setup(props, { slots }) {
    return () => [h("style", null, `
      meta ~ .cino {
        display: none !important;
        opacity: 0 !important;
      }

      meta ~ .cio {
        display: block !important;
      }
    `), h("code", {
      ...props,
      class: [
        props.class,
        "cino"
      ],
      style: props.style
    }, slots.default?.()), h("span", {
      ...props,
      class: [
        props.class,
        "cio"
      ],
      style: { ...props.style, display: "none" }
    }, slots.default?.())];
  }
});

const components = {
  __proto__: null,
  EBody: EBody,
  EButton: EButton,
  ECodeBlock: ECodeBlock,
  ECodeInline: ECodeInline,
  EColumn: EColumn,
  EContainer: EContainer,
  EFont: EFont,
  EHead: EHead,
  EHeading: EHeading,
  EHr: EHr,
  EHtml: EHtml,
  EImg: EImg,
  ELink: ELink,
  EMarkdown: EMarkdown,
  EPreview: EPreview,
  ERow: ERow,
  ESection: ESection,
  EStyle: EStyle,
  ETailwind: ETailwind,
  EText: EText
};

const VueEmailPlugin = {
  install(app) {
    Object.entries(components).forEach(([name, component]) => {
      app.component(name, component);
    });
  }
};

var js = {exports: {}};

var src = {};

var javascript = {exports: {}};

var beautifier$2 = {};

var output = {};

/*jshint node:true */

var hasRequiredOutput;

function requireOutput () {
	if (hasRequiredOutput) return output;
	hasRequiredOutput = 1;

	function OutputLine(parent) {
	  this.__parent = parent;
	  this.__character_count = 0;
	  // use indent_count as a marker for this.__lines that have preserved indentation
	  this.__indent_count = -1;
	  this.__alignment_count = 0;
	  this.__wrap_point_index = 0;
	  this.__wrap_point_character_count = 0;
	  this.__wrap_point_indent_count = -1;
	  this.__wrap_point_alignment_count = 0;

	  this.__items = [];
	}

	OutputLine.prototype.clone_empty = function() {
	  var line = new OutputLine(this.__parent);
	  line.set_indent(this.__indent_count, this.__alignment_count);
	  return line;
	};

	OutputLine.prototype.item = function(index) {
	  if (index < 0) {
	    return this.__items[this.__items.length + index];
	  } else {
	    return this.__items[index];
	  }
	};

	OutputLine.prototype.has_match = function(pattern) {
	  for (var lastCheckedOutput = this.__items.length - 1; lastCheckedOutput >= 0; lastCheckedOutput--) {
	    if (this.__items[lastCheckedOutput].match(pattern)) {
	      return true;
	    }
	  }
	  return false;
	};

	OutputLine.prototype.set_indent = function(indent, alignment) {
	  if (this.is_empty()) {
	    this.__indent_count = indent || 0;
	    this.__alignment_count = alignment || 0;
	    this.__character_count = this.__parent.get_indent_size(this.__indent_count, this.__alignment_count);
	  }
	};

	OutputLine.prototype._set_wrap_point = function() {
	  if (this.__parent.wrap_line_length) {
	    this.__wrap_point_index = this.__items.length;
	    this.__wrap_point_character_count = this.__character_count;
	    this.__wrap_point_indent_count = this.__parent.next_line.__indent_count;
	    this.__wrap_point_alignment_count = this.__parent.next_line.__alignment_count;
	  }
	};

	OutputLine.prototype._should_wrap = function() {
	  return this.__wrap_point_index &&
	    this.__character_count > this.__parent.wrap_line_length &&
	    this.__wrap_point_character_count > this.__parent.next_line.__character_count;
	};

	OutputLine.prototype._allow_wrap = function() {
	  if (this._should_wrap()) {
	    this.__parent.add_new_line();
	    var next = this.__parent.current_line;
	    next.set_indent(this.__wrap_point_indent_count, this.__wrap_point_alignment_count);
	    next.__items = this.__items.slice(this.__wrap_point_index);
	    this.__items = this.__items.slice(0, this.__wrap_point_index);

	    next.__character_count += this.__character_count - this.__wrap_point_character_count;
	    this.__character_count = this.__wrap_point_character_count;

	    if (next.__items[0] === " ") {
	      next.__items.splice(0, 1);
	      next.__character_count -= 1;
	    }
	    return true;
	  }
	  return false;
	};

	OutputLine.prototype.is_empty = function() {
	  return this.__items.length === 0;
	};

	OutputLine.prototype.last = function() {
	  if (!this.is_empty()) {
	    return this.__items[this.__items.length - 1];
	  } else {
	    return null;
	  }
	};

	OutputLine.prototype.push = function(item) {
	  this.__items.push(item);
	  var last_newline_index = item.lastIndexOf('\n');
	  if (last_newline_index !== -1) {
	    this.__character_count = item.length - last_newline_index;
	  } else {
	    this.__character_count += item.length;
	  }
	};

	OutputLine.prototype.pop = function() {
	  var item = null;
	  if (!this.is_empty()) {
	    item = this.__items.pop();
	    this.__character_count -= item.length;
	  }
	  return item;
	};


	OutputLine.prototype._remove_indent = function() {
	  if (this.__indent_count > 0) {
	    this.__indent_count -= 1;
	    this.__character_count -= this.__parent.indent_size;
	  }
	};

	OutputLine.prototype._remove_wrap_indent = function() {
	  if (this.__wrap_point_indent_count > 0) {
	    this.__wrap_point_indent_count -= 1;
	  }
	};
	OutputLine.prototype.trim = function() {
	  while (this.last() === ' ') {
	    this.__items.pop();
	    this.__character_count -= 1;
	  }
	};

	OutputLine.prototype.toString = function() {
	  var result = '';
	  if (this.is_empty()) {
	    if (this.__parent.indent_empty_lines) {
	      result = this.__parent.get_indent_string(this.__indent_count);
	    }
	  } else {
	    result = this.__parent.get_indent_string(this.__indent_count, this.__alignment_count);
	    result += this.__items.join('');
	  }
	  return result;
	};

	function IndentStringCache(options, baseIndentString) {
	  this.__cache = [''];
	  this.__indent_size = options.indent_size;
	  this.__indent_string = options.indent_char;
	  if (!options.indent_with_tabs) {
	    this.__indent_string = new Array(options.indent_size + 1).join(options.indent_char);
	  }

	  // Set to null to continue support for auto detection of base indent
	  baseIndentString = baseIndentString || '';
	  if (options.indent_level > 0) {
	    baseIndentString = new Array(options.indent_level + 1).join(this.__indent_string);
	  }

	  this.__base_string = baseIndentString;
	  this.__base_string_length = baseIndentString.length;
	}

	IndentStringCache.prototype.get_indent_size = function(indent, column) {
	  var result = this.__base_string_length;
	  column = column || 0;
	  if (indent < 0) {
	    result = 0;
	  }
	  result += indent * this.__indent_size;
	  result += column;
	  return result;
	};

	IndentStringCache.prototype.get_indent_string = function(indent_level, column) {
	  var result = this.__base_string;
	  column = column || 0;
	  if (indent_level < 0) {
	    indent_level = 0;
	    result = '';
	  }
	  column += indent_level * this.__indent_size;
	  this.__ensure_cache(column);
	  result += this.__cache[column];
	  return result;
	};

	IndentStringCache.prototype.__ensure_cache = function(column) {
	  while (column >= this.__cache.length) {
	    this.__add_column();
	  }
	};

	IndentStringCache.prototype.__add_column = function() {
	  var column = this.__cache.length;
	  var indent = 0;
	  var result = '';
	  if (this.__indent_size && column >= this.__indent_size) {
	    indent = Math.floor(column / this.__indent_size);
	    column -= indent * this.__indent_size;
	    result = new Array(indent + 1).join(this.__indent_string);
	  }
	  if (column) {
	    result += new Array(column + 1).join(' ');
	  }

	  this.__cache.push(result);
	};

	function Output(options, baseIndentString) {
	  this.__indent_cache = new IndentStringCache(options, baseIndentString);
	  this.raw = false;
	  this._end_with_newline = options.end_with_newline;
	  this.indent_size = options.indent_size;
	  this.wrap_line_length = options.wrap_line_length;
	  this.indent_empty_lines = options.indent_empty_lines;
	  this.__lines = [];
	  this.previous_line = null;
	  this.current_line = null;
	  this.next_line = new OutputLine(this);
	  this.space_before_token = false;
	  this.non_breaking_space = false;
	  this.previous_token_wrapped = false;
	  // initialize
	  this.__add_outputline();
	}

	Output.prototype.__add_outputline = function() {
	  this.previous_line = this.current_line;
	  this.current_line = this.next_line.clone_empty();
	  this.__lines.push(this.current_line);
	};

	Output.prototype.get_line_number = function() {
	  return this.__lines.length;
	};

	Output.prototype.get_indent_string = function(indent, column) {
	  return this.__indent_cache.get_indent_string(indent, column);
	};

	Output.prototype.get_indent_size = function(indent, column) {
	  return this.__indent_cache.get_indent_size(indent, column);
	};

	Output.prototype.is_empty = function() {
	  return !this.previous_line && this.current_line.is_empty();
	};

	Output.prototype.add_new_line = function(force_newline) {
	  // never newline at the start of file
	  // otherwise, newline only if we didn't just add one or we're forced
	  if (this.is_empty() ||
	    (!force_newline && this.just_added_newline())) {
	    return false;
	  }

	  // if raw output is enabled, don't print additional newlines,
	  // but still return True as though you had
	  if (!this.raw) {
	    this.__add_outputline();
	  }
	  return true;
	};

	Output.prototype.get_code = function(eol) {
	  this.trim(true);

	  // handle some edge cases where the last tokens
	  // has text that ends with newline(s)
	  var last_item = this.current_line.pop();
	  if (last_item) {
	    if (last_item[last_item.length - 1] === '\n') {
	      last_item = last_item.replace(/\n+$/g, '');
	    }
	    this.current_line.push(last_item);
	  }

	  if (this._end_with_newline) {
	    this.__add_outputline();
	  }

	  var sweet_code = this.__lines.join('\n');

	  if (eol !== '\n') {
	    sweet_code = sweet_code.replace(/[\n]/g, eol);
	  }
	  return sweet_code;
	};

	Output.prototype.set_wrap_point = function() {
	  this.current_line._set_wrap_point();
	};

	Output.prototype.set_indent = function(indent, alignment) {
	  indent = indent || 0;
	  alignment = alignment || 0;

	  // Next line stores alignment values
	  this.next_line.set_indent(indent, alignment);

	  // Never indent your first output indent at the start of the file
	  if (this.__lines.length > 1) {
	    this.current_line.set_indent(indent, alignment);
	    return true;
	  }

	  this.current_line.set_indent();
	  return false;
	};

	Output.prototype.add_raw_token = function(token) {
	  for (var x = 0; x < token.newlines; x++) {
	    this.__add_outputline();
	  }
	  this.current_line.set_indent(-1);
	  this.current_line.push(token.whitespace_before);
	  this.current_line.push(token.text);
	  this.space_before_token = false;
	  this.non_breaking_space = false;
	  this.previous_token_wrapped = false;
	};

	Output.prototype.add_token = function(printable_token) {
	  this.__add_space_before_token();
	  this.current_line.push(printable_token);
	  this.space_before_token = false;
	  this.non_breaking_space = false;
	  this.previous_token_wrapped = this.current_line._allow_wrap();
	};

	Output.prototype.__add_space_before_token = function() {
	  if (this.space_before_token && !this.just_added_newline()) {
	    if (!this.non_breaking_space) {
	      this.set_wrap_point();
	    }
	    this.current_line.push(' ');
	  }
	};

	Output.prototype.remove_indent = function(index) {
	  var output_length = this.__lines.length;
	  while (index < output_length) {
	    this.__lines[index]._remove_indent();
	    index++;
	  }
	  this.current_line._remove_wrap_indent();
	};

	Output.prototype.trim = function(eat_newlines) {
	  eat_newlines = (eat_newlines === undefined) ? false : eat_newlines;

	  this.current_line.trim();

	  while (eat_newlines && this.__lines.length > 1 &&
	    this.current_line.is_empty()) {
	    this.__lines.pop();
	    this.current_line = this.__lines[this.__lines.length - 1];
	    this.current_line.trim();
	  }

	  this.previous_line = this.__lines.length > 1 ?
	    this.__lines[this.__lines.length - 2] : null;
	};

	Output.prototype.just_added_newline = function() {
	  return this.current_line.is_empty();
	};

	Output.prototype.just_added_blankline = function() {
	  return this.is_empty() ||
	    (this.current_line.is_empty() && this.previous_line.is_empty());
	};

	Output.prototype.ensure_empty_line_above = function(starts_with, ends_with) {
	  var index = this.__lines.length - 2;
	  while (index >= 0) {
	    var potentialEmptyLine = this.__lines[index];
	    if (potentialEmptyLine.is_empty()) {
	      break;
	    } else if (potentialEmptyLine.item(0).indexOf(starts_with) !== 0 &&
	      potentialEmptyLine.item(-1) !== ends_with) {
	      this.__lines.splice(index + 1, 0, new OutputLine(this));
	      this.previous_line = this.__lines[this.__lines.length - 2];
	      break;
	    }
	    index--;
	  }
	};

	output.Output = Output;
	return output;
}

var token = {};

/*jshint node:true */

var hasRequiredToken;

function requireToken () {
	if (hasRequiredToken) return token;
	hasRequiredToken = 1;

	function Token(type, text, newlines, whitespace_before) {
	  this.type = type;
	  this.text = text;

	  // comments_before are
	  // comments that have a new line before them
	  // and may or may not have a newline after
	  // this is a set of comments before
	  this.comments_before = null; /* inline comment*/


	  // this.comments_after =  new TokenStream(); // no new line before and newline after
	  this.newlines = newlines || 0;
	  this.whitespace_before = whitespace_before || '';
	  this.parent = null;
	  this.next = null;
	  this.previous = null;
	  this.opened = null;
	  this.closed = null;
	  this.directives = null;
	}


	token.Token = Token;
	return token;
}

var acorn = {};

/* jshint node: true, curly: false */

var hasRequiredAcorn;

function requireAcorn () {
	if (hasRequiredAcorn) return acorn;
	hasRequiredAcorn = 1;
	(function (exports) {

		// acorn used char codes to squeeze the last bit of performance out
		// Beautifier is okay without that, so we're using regex
		// permit # (23), $ (36), and @ (64). @ is used in ES7 decorators.
		// 65 through 91 are uppercase letters.
		// permit _ (95).
		// 97 through 123 are lowercase letters.
		var baseASCIIidentifierStartChars = "\\x23\\x24\\x40\\x41-\\x5a\\x5f\\x61-\\x7a";

		// inside an identifier @ is not allowed but 0-9 are.
		var baseASCIIidentifierChars = "\\x24\\x30-\\x39\\x41-\\x5a\\x5f\\x61-\\x7a";

		// Big ugly regular expressions that match characters in the
		// whitespace, identifier, and identifier-start categories. These
		// are only applied when a character is found to actually have a
		// code point above 128.
		var nonASCIIidentifierStartChars = "\\xaa\\xb5\\xba\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\u02c1\\u02c6-\\u02d1\\u02e0-\\u02e4\\u02ec\\u02ee\\u0370-\\u0374\\u0376\\u0377\\u037a-\\u037d\\u0386\\u0388-\\u038a\\u038c\\u038e-\\u03a1\\u03a3-\\u03f5\\u03f7-\\u0481\\u048a-\\u0527\\u0531-\\u0556\\u0559\\u0561-\\u0587\\u05d0-\\u05ea\\u05f0-\\u05f2\\u0620-\\u064a\\u066e\\u066f\\u0671-\\u06d3\\u06d5\\u06e5\\u06e6\\u06ee\\u06ef\\u06fa-\\u06fc\\u06ff\\u0710\\u0712-\\u072f\\u074d-\\u07a5\\u07b1\\u07ca-\\u07ea\\u07f4\\u07f5\\u07fa\\u0800-\\u0815\\u081a\\u0824\\u0828\\u0840-\\u0858\\u08a0\\u08a2-\\u08ac\\u0904-\\u0939\\u093d\\u0950\\u0958-\\u0961\\u0971-\\u0977\\u0979-\\u097f\\u0985-\\u098c\\u098f\\u0990\\u0993-\\u09a8\\u09aa-\\u09b0\\u09b2\\u09b6-\\u09b9\\u09bd\\u09ce\\u09dc\\u09dd\\u09df-\\u09e1\\u09f0\\u09f1\\u0a05-\\u0a0a\\u0a0f\\u0a10\\u0a13-\\u0a28\\u0a2a-\\u0a30\\u0a32\\u0a33\\u0a35\\u0a36\\u0a38\\u0a39\\u0a59-\\u0a5c\\u0a5e\\u0a72-\\u0a74\\u0a85-\\u0a8d\\u0a8f-\\u0a91\\u0a93-\\u0aa8\\u0aaa-\\u0ab0\\u0ab2\\u0ab3\\u0ab5-\\u0ab9\\u0abd\\u0ad0\\u0ae0\\u0ae1\\u0b05-\\u0b0c\\u0b0f\\u0b10\\u0b13-\\u0b28\\u0b2a-\\u0b30\\u0b32\\u0b33\\u0b35-\\u0b39\\u0b3d\\u0b5c\\u0b5d\\u0b5f-\\u0b61\\u0b71\\u0b83\\u0b85-\\u0b8a\\u0b8e-\\u0b90\\u0b92-\\u0b95\\u0b99\\u0b9a\\u0b9c\\u0b9e\\u0b9f\\u0ba3\\u0ba4\\u0ba8-\\u0baa\\u0bae-\\u0bb9\\u0bd0\\u0c05-\\u0c0c\\u0c0e-\\u0c10\\u0c12-\\u0c28\\u0c2a-\\u0c33\\u0c35-\\u0c39\\u0c3d\\u0c58\\u0c59\\u0c60\\u0c61\\u0c85-\\u0c8c\\u0c8e-\\u0c90\\u0c92-\\u0ca8\\u0caa-\\u0cb3\\u0cb5-\\u0cb9\\u0cbd\\u0cde\\u0ce0\\u0ce1\\u0cf1\\u0cf2\\u0d05-\\u0d0c\\u0d0e-\\u0d10\\u0d12-\\u0d3a\\u0d3d\\u0d4e\\u0d60\\u0d61\\u0d7a-\\u0d7f\\u0d85-\\u0d96\\u0d9a-\\u0db1\\u0db3-\\u0dbb\\u0dbd\\u0dc0-\\u0dc6\\u0e01-\\u0e30\\u0e32\\u0e33\\u0e40-\\u0e46\\u0e81\\u0e82\\u0e84\\u0e87\\u0e88\\u0e8a\\u0e8d\\u0e94-\\u0e97\\u0e99-\\u0e9f\\u0ea1-\\u0ea3\\u0ea5\\u0ea7\\u0eaa\\u0eab\\u0ead-\\u0eb0\\u0eb2\\u0eb3\\u0ebd\\u0ec0-\\u0ec4\\u0ec6\\u0edc-\\u0edf\\u0f00\\u0f40-\\u0f47\\u0f49-\\u0f6c\\u0f88-\\u0f8c\\u1000-\\u102a\\u103f\\u1050-\\u1055\\u105a-\\u105d\\u1061\\u1065\\u1066\\u106e-\\u1070\\u1075-\\u1081\\u108e\\u10a0-\\u10c5\\u10c7\\u10cd\\u10d0-\\u10fa\\u10fc-\\u1248\\u124a-\\u124d\\u1250-\\u1256\\u1258\\u125a-\\u125d\\u1260-\\u1288\\u128a-\\u128d\\u1290-\\u12b0\\u12b2-\\u12b5\\u12b8-\\u12be\\u12c0\\u12c2-\\u12c5\\u12c8-\\u12d6\\u12d8-\\u1310\\u1312-\\u1315\\u1318-\\u135a\\u1380-\\u138f\\u13a0-\\u13f4\\u1401-\\u166c\\u166f-\\u167f\\u1681-\\u169a\\u16a0-\\u16ea\\u16ee-\\u16f0\\u1700-\\u170c\\u170e-\\u1711\\u1720-\\u1731\\u1740-\\u1751\\u1760-\\u176c\\u176e-\\u1770\\u1780-\\u17b3\\u17d7\\u17dc\\u1820-\\u1877\\u1880-\\u18a8\\u18aa\\u18b0-\\u18f5\\u1900-\\u191c\\u1950-\\u196d\\u1970-\\u1974\\u1980-\\u19ab\\u19c1-\\u19c7\\u1a00-\\u1a16\\u1a20-\\u1a54\\u1aa7\\u1b05-\\u1b33\\u1b45-\\u1b4b\\u1b83-\\u1ba0\\u1bae\\u1baf\\u1bba-\\u1be5\\u1c00-\\u1c23\\u1c4d-\\u1c4f\\u1c5a-\\u1c7d\\u1ce9-\\u1cec\\u1cee-\\u1cf1\\u1cf5\\u1cf6\\u1d00-\\u1dbf\\u1e00-\\u1f15\\u1f18-\\u1f1d\\u1f20-\\u1f45\\u1f48-\\u1f4d\\u1f50-\\u1f57\\u1f59\\u1f5b\\u1f5d\\u1f5f-\\u1f7d\\u1f80-\\u1fb4\\u1fb6-\\u1fbc\\u1fbe\\u1fc2-\\u1fc4\\u1fc6-\\u1fcc\\u1fd0-\\u1fd3\\u1fd6-\\u1fdb\\u1fe0-\\u1fec\\u1ff2-\\u1ff4\\u1ff6-\\u1ffc\\u2071\\u207f\\u2090-\\u209c\\u2102\\u2107\\u210a-\\u2113\\u2115\\u2119-\\u211d\\u2124\\u2126\\u2128\\u212a-\\u212d\\u212f-\\u2139\\u213c-\\u213f\\u2145-\\u2149\\u214e\\u2160-\\u2188\\u2c00-\\u2c2e\\u2c30-\\u2c5e\\u2c60-\\u2ce4\\u2ceb-\\u2cee\\u2cf2\\u2cf3\\u2d00-\\u2d25\\u2d27\\u2d2d\\u2d30-\\u2d67\\u2d6f\\u2d80-\\u2d96\\u2da0-\\u2da6\\u2da8-\\u2dae\\u2db0-\\u2db6\\u2db8-\\u2dbe\\u2dc0-\\u2dc6\\u2dc8-\\u2dce\\u2dd0-\\u2dd6\\u2dd8-\\u2dde\\u2e2f\\u3005-\\u3007\\u3021-\\u3029\\u3031-\\u3035\\u3038-\\u303c\\u3041-\\u3096\\u309d-\\u309f\\u30a1-\\u30fa\\u30fc-\\u30ff\\u3105-\\u312d\\u3131-\\u318e\\u31a0-\\u31ba\\u31f0-\\u31ff\\u3400-\\u4db5\\u4e00-\\u9fcc\\ua000-\\ua48c\\ua4d0-\\ua4fd\\ua500-\\ua60c\\ua610-\\ua61f\\ua62a\\ua62b\\ua640-\\ua66e\\ua67f-\\ua697\\ua6a0-\\ua6ef\\ua717-\\ua71f\\ua722-\\ua788\\ua78b-\\ua78e\\ua790-\\ua793\\ua7a0-\\ua7aa\\ua7f8-\\ua801\\ua803-\\ua805\\ua807-\\ua80a\\ua80c-\\ua822\\ua840-\\ua873\\ua882-\\ua8b3\\ua8f2-\\ua8f7\\ua8fb\\ua90a-\\ua925\\ua930-\\ua946\\ua960-\\ua97c\\ua984-\\ua9b2\\ua9cf\\uaa00-\\uaa28\\uaa40-\\uaa42\\uaa44-\\uaa4b\\uaa60-\\uaa76\\uaa7a\\uaa80-\\uaaaf\\uaab1\\uaab5\\uaab6\\uaab9-\\uaabd\\uaac0\\uaac2\\uaadb-\\uaadd\\uaae0-\\uaaea\\uaaf2-\\uaaf4\\uab01-\\uab06\\uab09-\\uab0e\\uab11-\\uab16\\uab20-\\uab26\\uab28-\\uab2e\\uabc0-\\uabe2\\uac00-\\ud7a3\\ud7b0-\\ud7c6\\ud7cb-\\ud7fb\\uf900-\\ufa6d\\ufa70-\\ufad9\\ufb00-\\ufb06\\ufb13-\\ufb17\\ufb1d\\ufb1f-\\ufb28\\ufb2a-\\ufb36\\ufb38-\\ufb3c\\ufb3e\\ufb40\\ufb41\\ufb43\\ufb44\\ufb46-\\ufbb1\\ufbd3-\\ufd3d\\ufd50-\\ufd8f\\ufd92-\\ufdc7\\ufdf0-\\ufdfb\\ufe70-\\ufe74\\ufe76-\\ufefc\\uff21-\\uff3a\\uff41-\\uff5a\\uff66-\\uffbe\\uffc2-\\uffc7\\uffca-\\uffcf\\uffd2-\\uffd7\\uffda-\\uffdc";
		var nonASCIIidentifierChars = "\\u0300-\\u036f\\u0483-\\u0487\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u061a\\u0620-\\u0649\\u0672-\\u06d3\\u06e7-\\u06e8\\u06fb-\\u06fc\\u0730-\\u074a\\u0800-\\u0814\\u081b-\\u0823\\u0825-\\u0827\\u0829-\\u082d\\u0840-\\u0857\\u08e4-\\u08fe\\u0900-\\u0903\\u093a-\\u093c\\u093e-\\u094f\\u0951-\\u0957\\u0962-\\u0963\\u0966-\\u096f\\u0981-\\u0983\\u09bc\\u09be-\\u09c4\\u09c7\\u09c8\\u09d7\\u09df-\\u09e0\\u0a01-\\u0a03\\u0a3c\\u0a3e-\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a51\\u0a66-\\u0a71\\u0a75\\u0a81-\\u0a83\\u0abc\\u0abe-\\u0ac5\\u0ac7-\\u0ac9\\u0acb-\\u0acd\\u0ae2-\\u0ae3\\u0ae6-\\u0aef\\u0b01-\\u0b03\\u0b3c\\u0b3e-\\u0b44\\u0b47\\u0b48\\u0b4b-\\u0b4d\\u0b56\\u0b57\\u0b5f-\\u0b60\\u0b66-\\u0b6f\\u0b82\\u0bbe-\\u0bc2\\u0bc6-\\u0bc8\\u0bca-\\u0bcd\\u0bd7\\u0be6-\\u0bef\\u0c01-\\u0c03\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0c62-\\u0c63\\u0c66-\\u0c6f\\u0c82\\u0c83\\u0cbc\\u0cbe-\\u0cc4\\u0cc6-\\u0cc8\\u0cca-\\u0ccd\\u0cd5\\u0cd6\\u0ce2-\\u0ce3\\u0ce6-\\u0cef\\u0d02\\u0d03\\u0d46-\\u0d48\\u0d57\\u0d62-\\u0d63\\u0d66-\\u0d6f\\u0d82\\u0d83\\u0dca\\u0dcf-\\u0dd4\\u0dd6\\u0dd8-\\u0ddf\\u0df2\\u0df3\\u0e34-\\u0e3a\\u0e40-\\u0e45\\u0e50-\\u0e59\\u0eb4-\\u0eb9\\u0ec8-\\u0ecd\\u0ed0-\\u0ed9\\u0f18\\u0f19\\u0f20-\\u0f29\\u0f35\\u0f37\\u0f39\\u0f41-\\u0f47\\u0f71-\\u0f84\\u0f86-\\u0f87\\u0f8d-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u1000-\\u1029\\u1040-\\u1049\\u1067-\\u106d\\u1071-\\u1074\\u1082-\\u108d\\u108f-\\u109d\\u135d-\\u135f\\u170e-\\u1710\\u1720-\\u1730\\u1740-\\u1750\\u1772\\u1773\\u1780-\\u17b2\\u17dd\\u17e0-\\u17e9\\u180b-\\u180d\\u1810-\\u1819\\u1920-\\u192b\\u1930-\\u193b\\u1951-\\u196d\\u19b0-\\u19c0\\u19c8-\\u19c9\\u19d0-\\u19d9\\u1a00-\\u1a15\\u1a20-\\u1a53\\u1a60-\\u1a7c\\u1a7f-\\u1a89\\u1a90-\\u1a99\\u1b46-\\u1b4b\\u1b50-\\u1b59\\u1b6b-\\u1b73\\u1bb0-\\u1bb9\\u1be6-\\u1bf3\\u1c00-\\u1c22\\u1c40-\\u1c49\\u1c5b-\\u1c7d\\u1cd0-\\u1cd2\\u1d00-\\u1dbe\\u1e01-\\u1f15\\u200c\\u200d\\u203f\\u2040\\u2054\\u20d0-\\u20dc\\u20e1\\u20e5-\\u20f0\\u2d81-\\u2d96\\u2de0-\\u2dff\\u3021-\\u3028\\u3099\\u309a\\ua640-\\ua66d\\ua674-\\ua67d\\ua69f\\ua6f0-\\ua6f1\\ua7f8-\\ua800\\ua806\\ua80b\\ua823-\\ua827\\ua880-\\ua881\\ua8b4-\\ua8c4\\ua8d0-\\ua8d9\\ua8f3-\\ua8f7\\ua900-\\ua909\\ua926-\\ua92d\\ua930-\\ua945\\ua980-\\ua983\\ua9b3-\\ua9c0\\uaa00-\\uaa27\\uaa40-\\uaa41\\uaa4c-\\uaa4d\\uaa50-\\uaa59\\uaa7b\\uaae0-\\uaae9\\uaaf2-\\uaaf3\\uabc0-\\uabe1\\uabec\\uabed\\uabf0-\\uabf9\\ufb20-\\ufb28\\ufe00-\\ufe0f\\ufe20-\\ufe26\\ufe33\\ufe34\\ufe4d-\\ufe4f\\uff10-\\uff19\\uff3f";
		//var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]");
		//var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");

		var unicodeEscapeOrCodePoint = "\\\\u[0-9a-fA-F]{4}|\\\\u\\{[0-9a-fA-F]+\\}";
		var identifierStart = "(?:" + unicodeEscapeOrCodePoint + "|[" + baseASCIIidentifierStartChars + nonASCIIidentifierStartChars + "])";
		var identifierChars = "(?:" + unicodeEscapeOrCodePoint + "|[" + baseASCIIidentifierChars + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "])*";

		exports.identifier = new RegExp(identifierStart + identifierChars, 'g');
		exports.identifierStart = new RegExp(identifierStart);
		exports.identifierMatch = new RegExp("(?:" + unicodeEscapeOrCodePoint + "|[" + baseASCIIidentifierChars + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "])+");

		// Whether a single character denotes a newline.

		exports.newline = /[\n\r\u2028\u2029]/;

		// Matches a whole line break (where CRLF is considered a single
		// line break). Used to count lines.

		// in javascript, these two differ
		// in python they are the same, different methods are called on them
		exports.lineBreak = new RegExp('\r\n|' + exports.newline.source);
		exports.allLineBreaks = new RegExp(exports.lineBreak.source, 'g'); 
	} (acorn));
	return acorn;
}

var options$3 = {};

var options$2 = {};

/*jshint node:true */

var hasRequiredOptions$3;

function requireOptions$3 () {
	if (hasRequiredOptions$3) return options$2;
	hasRequiredOptions$3 = 1;

	function Options(options, merge_child_field) {
	  this.raw_options = _mergeOpts(options, merge_child_field);

	  // Support passing the source text back with no change
	  this.disabled = this._get_boolean('disabled');

	  this.eol = this._get_characters('eol', 'auto');
	  this.end_with_newline = this._get_boolean('end_with_newline');
	  this.indent_size = this._get_number('indent_size', 4);
	  this.indent_char = this._get_characters('indent_char', ' ');
	  this.indent_level = this._get_number('indent_level');

	  this.preserve_newlines = this._get_boolean('preserve_newlines', true);
	  this.max_preserve_newlines = this._get_number('max_preserve_newlines', 32786);
	  if (!this.preserve_newlines) {
	    this.max_preserve_newlines = 0;
	  }

	  this.indent_with_tabs = this._get_boolean('indent_with_tabs', this.indent_char === '\t');
	  if (this.indent_with_tabs) {
	    this.indent_char = '\t';

	    // indent_size behavior changed after 1.8.6
	    // It used to be that indent_size would be
	    // set to 1 for indent_with_tabs. That is no longer needed and
	    // actually doesn't make sense - why not use spaces? Further,
	    // that might produce unexpected behavior - tabs being used
	    // for single-column alignment. So, when indent_with_tabs is true
	    // and indent_size is 1, reset indent_size to 4.
	    if (this.indent_size === 1) {
	      this.indent_size = 4;
	    }
	  }

	  // Backwards compat with 1.3.x
	  this.wrap_line_length = this._get_number('wrap_line_length', this._get_number('max_char'));

	  this.indent_empty_lines = this._get_boolean('indent_empty_lines');

	  // valid templating languages ['django', 'erb', 'handlebars', 'php', 'smarty', 'angular']
	  // For now, 'auto' = all off for javascript, all except angular on for html (and inline javascript/css).
	  // other values ignored
	  this.templating = this._get_selection_list('templating', ['auto', 'none', 'angular', 'django', 'erb', 'handlebars', 'php', 'smarty'], ['auto']);
	}

	Options.prototype._get_array = function(name, default_value) {
	  var option_value = this.raw_options[name];
	  var result = default_value || [];
	  if (typeof option_value === 'object') {
	    if (option_value !== null && typeof option_value.concat === 'function') {
	      result = option_value.concat();
	    }
	  } else if (typeof option_value === 'string') {
	    result = option_value.split(/[^a-zA-Z0-9_\/\-]+/);
	  }
	  return result;
	};

	Options.prototype._get_boolean = function(name, default_value) {
	  var option_value = this.raw_options[name];
	  var result = option_value === undefined ? !!default_value : !!option_value;
	  return result;
	};

	Options.prototype._get_characters = function(name, default_value) {
	  var option_value = this.raw_options[name];
	  var result = default_value || '';
	  if (typeof option_value === 'string') {
	    result = option_value.replace(/\\r/, '\r').replace(/\\n/, '\n').replace(/\\t/, '\t');
	  }
	  return result;
	};

	Options.prototype._get_number = function(name, default_value) {
	  var option_value = this.raw_options[name];
	  default_value = parseInt(default_value, 10);
	  if (isNaN(default_value)) {
	    default_value = 0;
	  }
	  var result = parseInt(option_value, 10);
	  if (isNaN(result)) {
	    result = default_value;
	  }
	  return result;
	};

	Options.prototype._get_selection = function(name, selection_list, default_value) {
	  var result = this._get_selection_list(name, selection_list, default_value);
	  if (result.length !== 1) {
	    throw new Error(
	      "Invalid Option Value: The option '" + name + "' can only be one of the following values:\n" +
	      selection_list + "\nYou passed in: '" + this.raw_options[name] + "'");
	  }

	  return result[0];
	};


	Options.prototype._get_selection_list = function(name, selection_list, default_value) {
	  if (!selection_list || selection_list.length === 0) {
	    throw new Error("Selection list cannot be empty.");
	  }

	  default_value = default_value || [selection_list[0]];
	  if (!this._is_valid_selection(default_value, selection_list)) {
	    throw new Error("Invalid Default Value!");
	  }

	  var result = this._get_array(name, default_value);
	  if (!this._is_valid_selection(result, selection_list)) {
	    throw new Error(
	      "Invalid Option Value: The option '" + name + "' can contain only the following values:\n" +
	      selection_list + "\nYou passed in: '" + this.raw_options[name] + "'");
	  }

	  return result;
	};

	Options.prototype._is_valid_selection = function(result, selection_list) {
	  return result.length && selection_list.length &&
	    !result.some(function(item) { return selection_list.indexOf(item) === -1; });
	};


	// merges child options up with the parent options object
	// Example: obj = {a: 1, b: {a: 2}}
	//          mergeOpts(obj, 'b')
	//
	//          Returns: {a: 2}
	function _mergeOpts(allOptions, childFieldName) {
	  var finalOpts = {};
	  allOptions = _normalizeOpts(allOptions);
	  var name;

	  for (name in allOptions) {
	    if (name !== childFieldName) {
	      finalOpts[name] = allOptions[name];
	    }
	  }

	  //merge in the per type settings for the childFieldName
	  if (childFieldName && allOptions[childFieldName]) {
	    for (name in allOptions[childFieldName]) {
	      finalOpts[name] = allOptions[childFieldName][name];
	    }
	  }
	  return finalOpts;
	}

	function _normalizeOpts(options) {
	  var convertedOpts = {};
	  var key;

	  for (key in options) {
	    var newKey = key.replace(/-/g, "_");
	    convertedOpts[newKey] = options[key];
	  }
	  return convertedOpts;
	}

	options$2.Options = Options;
	options$2.normalizeOpts = _normalizeOpts;
	options$2.mergeOpts = _mergeOpts;
	return options$2;
}

/*jshint node:true */

var hasRequiredOptions$2;

function requireOptions$2 () {
	if (hasRequiredOptions$2) return options$3;
	hasRequiredOptions$2 = 1;

	var BaseOptions = requireOptions$3().Options;

	var validPositionValues = ['before-newline', 'after-newline', 'preserve-newline'];

	function Options(options) {
	  BaseOptions.call(this, options, 'js');

	  // compatibility, re
	  var raw_brace_style = this.raw_options.brace_style || null;
	  if (raw_brace_style === "expand-strict") { //graceful handling of deprecated option
	    this.raw_options.brace_style = "expand";
	  } else if (raw_brace_style === "collapse-preserve-inline") { //graceful handling of deprecated option
	    this.raw_options.brace_style = "collapse,preserve-inline";
	  } else if (this.raw_options.braces_on_own_line !== undefined) { //graceful handling of deprecated option
	    this.raw_options.brace_style = this.raw_options.braces_on_own_line ? "expand" : "collapse";
	    // } else if (!raw_brace_style) { //Nothing exists to set it
	    //   raw_brace_style = "collapse";
	  }

	  //preserve-inline in delimited string will trigger brace_preserve_inline, everything
	  //else is considered a brace_style and the last one only will have an effect

	  var brace_style_split = this._get_selection_list('brace_style', ['collapse', 'expand', 'end-expand', 'none', 'preserve-inline']);

	  this.brace_preserve_inline = false; //Defaults in case one or other was not specified in meta-option
	  this.brace_style = "collapse";

	  for (var bs = 0; bs < brace_style_split.length; bs++) {
	    if (brace_style_split[bs] === "preserve-inline") {
	      this.brace_preserve_inline = true;
	    } else {
	      this.brace_style = brace_style_split[bs];
	    }
	  }

	  this.unindent_chained_methods = this._get_boolean('unindent_chained_methods');
	  this.break_chained_methods = this._get_boolean('break_chained_methods');
	  this.space_in_paren = this._get_boolean('space_in_paren');
	  this.space_in_empty_paren = this._get_boolean('space_in_empty_paren');
	  this.jslint_happy = this._get_boolean('jslint_happy');
	  this.space_after_anon_function = this._get_boolean('space_after_anon_function');
	  this.space_after_named_function = this._get_boolean('space_after_named_function');
	  this.keep_array_indentation = this._get_boolean('keep_array_indentation');
	  this.space_before_conditional = this._get_boolean('space_before_conditional', true);
	  this.unescape_strings = this._get_boolean('unescape_strings');
	  this.e4x = this._get_boolean('e4x');
	  this.comma_first = this._get_boolean('comma_first');
	  this.operator_position = this._get_selection('operator_position', validPositionValues);

	  // For testing of beautify preserve:start directive
	  this.test_output_raw = this._get_boolean('test_output_raw');

	  // force this._options.space_after_anon_function to true if this._options.jslint_happy
	  if (this.jslint_happy) {
	    this.space_after_anon_function = true;
	  }

	}
	Options.prototype = new BaseOptions();



	options$3.Options = Options;
	return options$3;
}

var tokenizer$2 = {};

var inputscanner = {};

/*jshint node:true */

var hasRequiredInputscanner;

function requireInputscanner () {
	if (hasRequiredInputscanner) return inputscanner;
	hasRequiredInputscanner = 1;

	var regexp_has_sticky = RegExp.prototype.hasOwnProperty('sticky');

	function InputScanner(input_string) {
	  this.__input = input_string || '';
	  this.__input_length = this.__input.length;
	  this.__position = 0;
	}

	InputScanner.prototype.restart = function() {
	  this.__position = 0;
	};

	InputScanner.prototype.back = function() {
	  if (this.__position > 0) {
	    this.__position -= 1;
	  }
	};

	InputScanner.prototype.hasNext = function() {
	  return this.__position < this.__input_length;
	};

	InputScanner.prototype.next = function() {
	  var val = null;
	  if (this.hasNext()) {
	    val = this.__input.charAt(this.__position);
	    this.__position += 1;
	  }
	  return val;
	};

	InputScanner.prototype.peek = function(index) {
	  var val = null;
	  index = index || 0;
	  index += this.__position;
	  if (index >= 0 && index < this.__input_length) {
	    val = this.__input.charAt(index);
	  }
	  return val;
	};

	// This is a JavaScript only helper function (not in python)
	// Javascript doesn't have a match method
	// and not all implementation support "sticky" flag.
	// If they do not support sticky then both this.match() and this.test() method
	// must get the match and check the index of the match.
	// If sticky is supported and set, this method will use it.
	// Otherwise it will check that global is set, and fall back to the slower method.
	InputScanner.prototype.__match = function(pattern, index) {
	  pattern.lastIndex = index;
	  var pattern_match = pattern.exec(this.__input);

	  if (pattern_match && !(regexp_has_sticky && pattern.sticky)) {
	    if (pattern_match.index !== index) {
	      pattern_match = null;
	    }
	  }

	  return pattern_match;
	};

	InputScanner.prototype.test = function(pattern, index) {
	  index = index || 0;
	  index += this.__position;

	  if (index >= 0 && index < this.__input_length) {
	    return !!this.__match(pattern, index);
	  } else {
	    return false;
	  }
	};

	InputScanner.prototype.testChar = function(pattern, index) {
	  // test one character regex match
	  var val = this.peek(index);
	  pattern.lastIndex = 0;
	  return val !== null && pattern.test(val);
	};

	InputScanner.prototype.match = function(pattern) {
	  var pattern_match = this.__match(pattern, this.__position);
	  if (pattern_match) {
	    this.__position += pattern_match[0].length;
	  } else {
	    pattern_match = null;
	  }
	  return pattern_match;
	};

	InputScanner.prototype.read = function(starting_pattern, until_pattern, until_after) {
	  var val = '';
	  var match;
	  if (starting_pattern) {
	    match = this.match(starting_pattern);
	    if (match) {
	      val += match[0];
	    }
	  }
	  if (until_pattern && (match || !starting_pattern)) {
	    val += this.readUntil(until_pattern, until_after);
	  }
	  return val;
	};

	InputScanner.prototype.readUntil = function(pattern, until_after) {
	  var val = '';
	  var match_index = this.__position;
	  pattern.lastIndex = this.__position;
	  var pattern_match = pattern.exec(this.__input);
	  if (pattern_match) {
	    match_index = pattern_match.index;
	    if (until_after) {
	      match_index += pattern_match[0].length;
	    }
	  } else {
	    match_index = this.__input_length;
	  }

	  val = this.__input.substring(this.__position, match_index);
	  this.__position = match_index;
	  return val;
	};

	InputScanner.prototype.readUntilAfter = function(pattern) {
	  return this.readUntil(pattern, true);
	};

	InputScanner.prototype.get_regexp = function(pattern, match_from) {
	  var result = null;
	  var flags = 'g';
	  if (match_from && regexp_has_sticky) {
	    flags = 'y';
	  }
	  // strings are converted to regexp
	  if (typeof pattern === "string" && pattern !== '') {
	    // result = new RegExp(pattern.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'), flags);
	    result = new RegExp(pattern, flags);
	  } else if (pattern) {
	    result = new RegExp(pattern.source, flags);
	  }
	  return result;
	};

	InputScanner.prototype.get_literal_regexp = function(literal_string) {
	  return RegExp(literal_string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'));
	};

	/* css beautifier legacy helpers */
	InputScanner.prototype.peekUntilAfter = function(pattern) {
	  var start = this.__position;
	  var val = this.readUntilAfter(pattern);
	  this.__position = start;
	  return val;
	};

	InputScanner.prototype.lookBack = function(testVal) {
	  var start = this.__position - 1;
	  return start >= testVal.length && this.__input.substring(start - testVal.length, start)
	    .toLowerCase() === testVal;
	};

	inputscanner.InputScanner = InputScanner;
	return inputscanner;
}

var tokenizer$1 = {};

var tokenstream = {};

/*jshint node:true */

var hasRequiredTokenstream;

function requireTokenstream () {
	if (hasRequiredTokenstream) return tokenstream;
	hasRequiredTokenstream = 1;

	function TokenStream(parent_token) {
	  // private
	  this.__tokens = [];
	  this.__tokens_length = this.__tokens.length;
	  this.__position = 0;
	  this.__parent_token = parent_token;
	}

	TokenStream.prototype.restart = function() {
	  this.__position = 0;
	};

	TokenStream.prototype.isEmpty = function() {
	  return this.__tokens_length === 0;
	};

	TokenStream.prototype.hasNext = function() {
	  return this.__position < this.__tokens_length;
	};

	TokenStream.prototype.next = function() {
	  var val = null;
	  if (this.hasNext()) {
	    val = this.__tokens[this.__position];
	    this.__position += 1;
	  }
	  return val;
	};

	TokenStream.prototype.peek = function(index) {
	  var val = null;
	  index = index || 0;
	  index += this.__position;
	  if (index >= 0 && index < this.__tokens_length) {
	    val = this.__tokens[index];
	  }
	  return val;
	};

	TokenStream.prototype.add = function(token) {
	  if (this.__parent_token) {
	    token.parent = this.__parent_token;
	  }
	  this.__tokens.push(token);
	  this.__tokens_length += 1;
	};

	tokenstream.TokenStream = TokenStream;
	return tokenstream;
}

var whitespacepattern = {};

var pattern = {};

/*jshint node:true */

var hasRequiredPattern;

function requirePattern () {
	if (hasRequiredPattern) return pattern;
	hasRequiredPattern = 1;

	function Pattern(input_scanner, parent) {
	  this._input = input_scanner;
	  this._starting_pattern = null;
	  this._match_pattern = null;
	  this._until_pattern = null;
	  this._until_after = false;

	  if (parent) {
	    this._starting_pattern = this._input.get_regexp(parent._starting_pattern, true);
	    this._match_pattern = this._input.get_regexp(parent._match_pattern, true);
	    this._until_pattern = this._input.get_regexp(parent._until_pattern);
	    this._until_after = parent._until_after;
	  }
	}

	Pattern.prototype.read = function() {
	  var result = this._input.read(this._starting_pattern);
	  if (!this._starting_pattern || result) {
	    result += this._input.read(this._match_pattern, this._until_pattern, this._until_after);
	  }
	  return result;
	};

	Pattern.prototype.read_match = function() {
	  return this._input.match(this._match_pattern);
	};

	Pattern.prototype.until_after = function(pattern) {
	  var result = this._create();
	  result._until_after = true;
	  result._until_pattern = this._input.get_regexp(pattern);
	  result._update();
	  return result;
	};

	Pattern.prototype.until = function(pattern) {
	  var result = this._create();
	  result._until_after = false;
	  result._until_pattern = this._input.get_regexp(pattern);
	  result._update();
	  return result;
	};

	Pattern.prototype.starting_with = function(pattern) {
	  var result = this._create();
	  result._starting_pattern = this._input.get_regexp(pattern, true);
	  result._update();
	  return result;
	};

	Pattern.prototype.matching = function(pattern) {
	  var result = this._create();
	  result._match_pattern = this._input.get_regexp(pattern, true);
	  result._update();
	  return result;
	};

	Pattern.prototype._create = function() {
	  return new Pattern(this._input, this);
	};

	Pattern.prototype._update = function() {};

	pattern.Pattern = Pattern;
	return pattern;
}

/*jshint node:true */

var hasRequiredWhitespacepattern;

function requireWhitespacepattern () {
	if (hasRequiredWhitespacepattern) return whitespacepattern;
	hasRequiredWhitespacepattern = 1;

	var Pattern = requirePattern().Pattern;

	function WhitespacePattern(input_scanner, parent) {
	  Pattern.call(this, input_scanner, parent);
	  if (parent) {
	    this._line_regexp = this._input.get_regexp(parent._line_regexp);
	  } else {
	    this.__set_whitespace_patterns('', '');
	  }

	  this.newline_count = 0;
	  this.whitespace_before_token = '';
	}
	WhitespacePattern.prototype = new Pattern();

	WhitespacePattern.prototype.__set_whitespace_patterns = function(whitespace_chars, newline_chars) {
	  whitespace_chars += '\\t ';
	  newline_chars += '\\n\\r';

	  this._match_pattern = this._input.get_regexp(
	    '[' + whitespace_chars + newline_chars + ']+', true);
	  this._newline_regexp = this._input.get_regexp(
	    '\\r\\n|[' + newline_chars + ']');
	};

	WhitespacePattern.prototype.read = function() {
	  this.newline_count = 0;
	  this.whitespace_before_token = '';

	  var resulting_string = this._input.read(this._match_pattern);
	  if (resulting_string === ' ') {
	    this.whitespace_before_token = ' ';
	  } else if (resulting_string) {
	    var matches = this.__split(this._newline_regexp, resulting_string);
	    this.newline_count = matches.length - 1;
	    this.whitespace_before_token = matches[this.newline_count];
	  }

	  return resulting_string;
	};

	WhitespacePattern.prototype.matching = function(whitespace_chars, newline_chars) {
	  var result = this._create();
	  result.__set_whitespace_patterns(whitespace_chars, newline_chars);
	  result._update();
	  return result;
	};

	WhitespacePattern.prototype._create = function() {
	  return new WhitespacePattern(this._input, this);
	};

	WhitespacePattern.prototype.__split = function(regexp, input_string) {
	  regexp.lastIndex = 0;
	  var start_index = 0;
	  var result = [];
	  var next_match = regexp.exec(input_string);
	  while (next_match) {
	    result.push(input_string.substring(start_index, next_match.index));
	    start_index = next_match.index + next_match[0].length;
	    next_match = regexp.exec(input_string);
	  }

	  if (start_index < input_string.length) {
	    result.push(input_string.substring(start_index, input_string.length));
	  } else {
	    result.push('');
	  }

	  return result;
	};



	whitespacepattern.WhitespacePattern = WhitespacePattern;
	return whitespacepattern;
}

/*jshint node:true */

var hasRequiredTokenizer$2;

function requireTokenizer$2 () {
	if (hasRequiredTokenizer$2) return tokenizer$1;
	hasRequiredTokenizer$2 = 1;

	var InputScanner = requireInputscanner().InputScanner;
	var Token = requireToken().Token;
	var TokenStream = requireTokenstream().TokenStream;
	var WhitespacePattern = requireWhitespacepattern().WhitespacePattern;

	var TOKEN = {
	  START: 'TK_START',
	  RAW: 'TK_RAW',
	  EOF: 'TK_EOF'
	};

	var Tokenizer = function(input_string, options) {
	  this._input = new InputScanner(input_string);
	  this._options = options || {};
	  this.__tokens = null;

	  this._patterns = {};
	  this._patterns.whitespace = new WhitespacePattern(this._input);
	};

	Tokenizer.prototype.tokenize = function() {
	  this._input.restart();
	  this.__tokens = new TokenStream();

	  this._reset();

	  var current;
	  var previous = new Token(TOKEN.START, '');
	  var open_token = null;
	  var open_stack = [];
	  var comments = new TokenStream();

	  while (previous.type !== TOKEN.EOF) {
	    current = this._get_next_token(previous, open_token);
	    while (this._is_comment(current)) {
	      comments.add(current);
	      current = this._get_next_token(previous, open_token);
	    }

	    if (!comments.isEmpty()) {
	      current.comments_before = comments;
	      comments = new TokenStream();
	    }

	    current.parent = open_token;

	    if (this._is_opening(current)) {
	      open_stack.push(open_token);
	      open_token = current;
	    } else if (open_token && this._is_closing(current, open_token)) {
	      current.opened = open_token;
	      open_token.closed = current;
	      open_token = open_stack.pop();
	      current.parent = open_token;
	    }

	    current.previous = previous;
	    previous.next = current;

	    this.__tokens.add(current);
	    previous = current;
	  }

	  return this.__tokens;
	};


	Tokenizer.prototype._is_first_token = function() {
	  return this.__tokens.isEmpty();
	};

	Tokenizer.prototype._reset = function() {};

	Tokenizer.prototype._get_next_token = function(previous_token, open_token) { // jshint unused:false
	  this._readWhitespace();
	  var resulting_string = this._input.read(/.+/g);
	  if (resulting_string) {
	    return this._create_token(TOKEN.RAW, resulting_string);
	  } else {
	    return this._create_token(TOKEN.EOF, '');
	  }
	};

	Tokenizer.prototype._is_comment = function(current_token) { // jshint unused:false
	  return false;
	};

	Tokenizer.prototype._is_opening = function(current_token) { // jshint unused:false
	  return false;
	};

	Tokenizer.prototype._is_closing = function(current_token, open_token) { // jshint unused:false
	  return false;
	};

	Tokenizer.prototype._create_token = function(type, text) {
	  var token = new Token(type, text,
	    this._patterns.whitespace.newline_count,
	    this._patterns.whitespace.whitespace_before_token);
	  return token;
	};

	Tokenizer.prototype._readWhitespace = function() {
	  return this._patterns.whitespace.read();
	};



	tokenizer$1.Tokenizer = Tokenizer;
	tokenizer$1.TOKEN = TOKEN;
	return tokenizer$1;
}

var directives = {};

/*jshint node:true */

var hasRequiredDirectives;

function requireDirectives () {
	if (hasRequiredDirectives) return directives;
	hasRequiredDirectives = 1;

	function Directives(start_block_pattern, end_block_pattern) {
	  start_block_pattern = typeof start_block_pattern === 'string' ? start_block_pattern : start_block_pattern.source;
	  end_block_pattern = typeof end_block_pattern === 'string' ? end_block_pattern : end_block_pattern.source;
	  this.__directives_block_pattern = new RegExp(start_block_pattern + / beautify( \w+[:]\w+)+ /.source + end_block_pattern, 'g');
	  this.__directive_pattern = / (\w+)[:](\w+)/g;

	  this.__directives_end_ignore_pattern = new RegExp(start_block_pattern + /\sbeautify\signore:end\s/.source + end_block_pattern, 'g');
	}

	Directives.prototype.get_directives = function(text) {
	  if (!text.match(this.__directives_block_pattern)) {
	    return null;
	  }

	  var directives = {};
	  this.__directive_pattern.lastIndex = 0;
	  var directive_match = this.__directive_pattern.exec(text);

	  while (directive_match) {
	    directives[directive_match[1]] = directive_match[2];
	    directive_match = this.__directive_pattern.exec(text);
	  }

	  return directives;
	};

	Directives.prototype.readIgnored = function(input) {
	  return input.readUntilAfter(this.__directives_end_ignore_pattern);
	};


	directives.Directives = Directives;
	return directives;
}

var templatablepattern = {};

/*jshint node:true */

var hasRequiredTemplatablepattern;

function requireTemplatablepattern () {
	if (hasRequiredTemplatablepattern) return templatablepattern;
	hasRequiredTemplatablepattern = 1;

	var Pattern = requirePattern().Pattern;


	var template_names = {
	  django: false,
	  erb: false,
	  handlebars: false,
	  php: false,
	  smarty: false,
	  angular: false
	};

	// This lets templates appear anywhere we would do a readUntil
	// The cost is higher but it is pay to play.
	function TemplatablePattern(input_scanner, parent) {
	  Pattern.call(this, input_scanner, parent);
	  this.__template_pattern = null;
	  this._disabled = Object.assign({}, template_names);
	  this._excluded = Object.assign({}, template_names);

	  if (parent) {
	    this.__template_pattern = this._input.get_regexp(parent.__template_pattern);
	    this._excluded = Object.assign(this._excluded, parent._excluded);
	    this._disabled = Object.assign(this._disabled, parent._disabled);
	  }
	  var pattern = new Pattern(input_scanner);
	  this.__patterns = {
	    handlebars_comment: pattern.starting_with(/{{!--/).until_after(/--}}/),
	    handlebars_unescaped: pattern.starting_with(/{{{/).until_after(/}}}/),
	    handlebars: pattern.starting_with(/{{/).until_after(/}}/),
	    php: pattern.starting_with(/<\?(?:[= ]|php)/).until_after(/\?>/),
	    erb: pattern.starting_with(/<%[^%]/).until_after(/[^%]%>/),
	    // django coflicts with handlebars a bit.
	    django: pattern.starting_with(/{%/).until_after(/%}/),
	    django_value: pattern.starting_with(/{{/).until_after(/}}/),
	    django_comment: pattern.starting_with(/{#/).until_after(/#}/),
	    smarty: pattern.starting_with(/{(?=[^}{\s\n])/).until_after(/[^\s\n]}/),
	    smarty_comment: pattern.starting_with(/{\*/).until_after(/\*}/),
	    smarty_literal: pattern.starting_with(/{literal}/).until_after(/{\/literal}/)
	  };
	}
	TemplatablePattern.prototype = new Pattern();

	TemplatablePattern.prototype._create = function() {
	  return new TemplatablePattern(this._input, this);
	};

	TemplatablePattern.prototype._update = function() {
	  this.__set_templated_pattern();
	};

	TemplatablePattern.prototype.disable = function(language) {
	  var result = this._create();
	  result._disabled[language] = true;
	  result._update();
	  return result;
	};

	TemplatablePattern.prototype.read_options = function(options) {
	  var result = this._create();
	  for (var language in template_names) {
	    result._disabled[language] = options.templating.indexOf(language) === -1;
	  }
	  result._update();
	  return result;
	};

	TemplatablePattern.prototype.exclude = function(language) {
	  var result = this._create();
	  result._excluded[language] = true;
	  result._update();
	  return result;
	};

	TemplatablePattern.prototype.read = function() {
	  var result = '';
	  if (this._match_pattern) {
	    result = this._input.read(this._starting_pattern);
	  } else {
	    result = this._input.read(this._starting_pattern, this.__template_pattern);
	  }
	  var next = this._read_template();
	  while (next) {
	    if (this._match_pattern) {
	      next += this._input.read(this._match_pattern);
	    } else {
	      next += this._input.readUntil(this.__template_pattern);
	    }
	    result += next;
	    next = this._read_template();
	  }

	  if (this._until_after) {
	    result += this._input.readUntilAfter(this._until_pattern);
	  }
	  return result;
	};

	TemplatablePattern.prototype.__set_templated_pattern = function() {
	  var items = [];

	  if (!this._disabled.php) {
	    items.push(this.__patterns.php._starting_pattern.source);
	  }
	  if (!this._disabled.handlebars) {
	    items.push(this.__patterns.handlebars._starting_pattern.source);
	  }
	  if (!this._disabled.erb) {
	    items.push(this.__patterns.erb._starting_pattern.source);
	  }
	  if (!this._disabled.django) {
	    items.push(this.__patterns.django._starting_pattern.source);
	    // The starting pattern for django is more complex because it has different
	    // patterns for value, comment, and other sections
	    items.push(this.__patterns.django_value._starting_pattern.source);
	    items.push(this.__patterns.django_comment._starting_pattern.source);
	  }
	  if (!this._disabled.smarty) {
	    items.push(this.__patterns.smarty._starting_pattern.source);
	  }

	  if (this._until_pattern) {
	    items.push(this._until_pattern.source);
	  }
	  this.__template_pattern = this._input.get_regexp('(?:' + items.join('|') + ')');
	};

	TemplatablePattern.prototype._read_template = function() {
	  var resulting_string = '';
	  var c = this._input.peek();
	  if (c === '<') {
	    var peek1 = this._input.peek(1);
	    //if we're in a comment, do something special
	    // We treat all comments as literals, even more than preformatted tags
	    // we just look for the appropriate close tag
	    if (!this._disabled.php && !this._excluded.php && peek1 === '?') {
	      resulting_string = resulting_string ||
	        this.__patterns.php.read();
	    }
	    if (!this._disabled.erb && !this._excluded.erb && peek1 === '%') {
	      resulting_string = resulting_string ||
	        this.__patterns.erb.read();
	    }
	  } else if (c === '{') {
	    if (!this._disabled.handlebars && !this._excluded.handlebars) {
	      resulting_string = resulting_string ||
	        this.__patterns.handlebars_comment.read();
	      resulting_string = resulting_string ||
	        this.__patterns.handlebars_unescaped.read();
	      resulting_string = resulting_string ||
	        this.__patterns.handlebars.read();
	    }
	    if (!this._disabled.django) {
	      // django coflicts with handlebars a bit.
	      if (!this._excluded.django && !this._excluded.handlebars) {
	        resulting_string = resulting_string ||
	          this.__patterns.django_value.read();
	      }
	      if (!this._excluded.django) {
	        resulting_string = resulting_string ||
	          this.__patterns.django_comment.read();
	        resulting_string = resulting_string ||
	          this.__patterns.django.read();
	      }
	    }
	    if (!this._disabled.smarty) {
	      // smarty cannot be enabled with django or handlebars enabled
	      if (this._disabled.django && this._disabled.handlebars) {
	        resulting_string = resulting_string ||
	          this.__patterns.smarty_comment.read();
	        resulting_string = resulting_string ||
	          this.__patterns.smarty_literal.read();
	        resulting_string = resulting_string ||
	          this.__patterns.smarty.read();
	      }
	    }
	  }
	  return resulting_string;
	};


	templatablepattern.TemplatablePattern = TemplatablePattern;
	return templatablepattern;
}

/*jshint node:true */

var hasRequiredTokenizer$1;

function requireTokenizer$1 () {
	if (hasRequiredTokenizer$1) return tokenizer$2;
	hasRequiredTokenizer$1 = 1;

	var InputScanner = requireInputscanner().InputScanner;
	var BaseTokenizer = requireTokenizer$2().Tokenizer;
	var BASETOKEN = requireTokenizer$2().TOKEN;
	var Directives = requireDirectives().Directives;
	var acorn = requireAcorn();
	var Pattern = requirePattern().Pattern;
	var TemplatablePattern = requireTemplatablepattern().TemplatablePattern;


	function in_array(what, arr) {
	  return arr.indexOf(what) !== -1;
	}


	var TOKEN = {
	  START_EXPR: 'TK_START_EXPR',
	  END_EXPR: 'TK_END_EXPR',
	  START_BLOCK: 'TK_START_BLOCK',
	  END_BLOCK: 'TK_END_BLOCK',
	  WORD: 'TK_WORD',
	  RESERVED: 'TK_RESERVED',
	  SEMICOLON: 'TK_SEMICOLON',
	  STRING: 'TK_STRING',
	  EQUALS: 'TK_EQUALS',
	  OPERATOR: 'TK_OPERATOR',
	  COMMA: 'TK_COMMA',
	  BLOCK_COMMENT: 'TK_BLOCK_COMMENT',
	  COMMENT: 'TK_COMMENT',
	  DOT: 'TK_DOT',
	  UNKNOWN: 'TK_UNKNOWN',
	  START: BASETOKEN.START,
	  RAW: BASETOKEN.RAW,
	  EOF: BASETOKEN.EOF
	};


	var directives_core = new Directives(/\/\*/, /\*\//);

	var number_pattern = /0[xX][0123456789abcdefABCDEF_]*n?|0[oO][01234567_]*n?|0[bB][01_]*n?|\d[\d_]*n|(?:\.\d[\d_]*|\d[\d_]*\.?[\d_]*)(?:[eE][+-]?[\d_]+)?/;

	var digit = /[0-9]/;

	// Dot "." must be distinguished from "..." and decimal
	var dot_pattern = /[^\d\.]/;

	var positionable_operators = (
	  ">>> === !== &&= ??= ||= " +
	  "<< && >= ** != == <= >> || ?? |> " +
	  "< / - + > : & % ? ^ | *").split(' ');

	// IMPORTANT: this must be sorted longest to shortest or tokenizing many not work.
	// Also, you must update possitionable operators separately from punct
	var punct =
	  ">>>= " +
	  "... >>= <<= === >>> !== **= &&= ??= ||= " +
	  "=> ^= :: /= << <= == && -= >= >> != -- += ** || ?? ++ %= &= *= |= |> " +
	  "= ! ? > < : / ^ - + * & % ~ |";

	punct = punct.replace(/[-[\]{}()*+?.,\\^$|#]/g, "\\$&");
	// ?. but not if followed by a number 
	punct = '\\?\\.(?!\\d) ' + punct;
	punct = punct.replace(/ /g, '|');

	var punct_pattern = new RegExp(punct);

	// words which should always start on new line.
	var line_starters = 'continue,try,throw,return,var,let,const,if,switch,case,default,for,while,break,function,import,export'.split(',');
	var reserved_words = line_starters.concat(['do', 'in', 'of', 'else', 'get', 'set', 'new', 'catch', 'finally', 'typeof', 'yield', 'async', 'await', 'from', 'as', 'class', 'extends']);
	var reserved_word_pattern = new RegExp('^(?:' + reserved_words.join('|') + ')$');

	// var template_pattern = /(?:(?:<\?php|<\?=)[\s\S]*?\?>)|(?:<%[\s\S]*?%>)/g;

	var in_html_comment;

	var Tokenizer = function(input_string, options) {
	  BaseTokenizer.call(this, input_string, options);

	  this._patterns.whitespace = this._patterns.whitespace.matching(
	    /\u00A0\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff/.source,
	    /\u2028\u2029/.source);

	  var pattern_reader = new Pattern(this._input);
	  var templatable = new TemplatablePattern(this._input)
	    .read_options(this._options);

	  this.__patterns = {
	    template: templatable,
	    identifier: templatable.starting_with(acorn.identifier).matching(acorn.identifierMatch),
	    number: pattern_reader.matching(number_pattern),
	    punct: pattern_reader.matching(punct_pattern),
	    // comment ends just before nearest linefeed or end of file
	    comment: pattern_reader.starting_with(/\/\//).until(/[\n\r\u2028\u2029]/),
	    //  /* ... */ comment ends with nearest */ or end of file
	    block_comment: pattern_reader.starting_with(/\/\*/).until_after(/\*\//),
	    html_comment_start: pattern_reader.matching(/<!--/),
	    html_comment_end: pattern_reader.matching(/-->/),
	    include: pattern_reader.starting_with(/#include/).until_after(acorn.lineBreak),
	    shebang: pattern_reader.starting_with(/#!/).until_after(acorn.lineBreak),
	    xml: pattern_reader.matching(/[\s\S]*?<(\/?)([-a-zA-Z:0-9_.]+|{[^}]+?}|!\[CDATA\[[^\]]*?\]\]|)(\s*{[^}]+?}|\s+[-a-zA-Z:0-9_.]+|\s+[-a-zA-Z:0-9_.]+\s*=\s*('[^']*'|"[^"]*"|{([^{}]|{[^}]+?})+?}))*\s*(\/?)\s*>/),
	    single_quote: templatable.until(/['\\\n\r\u2028\u2029]/),
	    double_quote: templatable.until(/["\\\n\r\u2028\u2029]/),
	    template_text: templatable.until(/[`\\$]/),
	    template_expression: templatable.until(/[`}\\]/)
	  };

	};
	Tokenizer.prototype = new BaseTokenizer();

	Tokenizer.prototype._is_comment = function(current_token) {
	  return current_token.type === TOKEN.COMMENT || current_token.type === TOKEN.BLOCK_COMMENT || current_token.type === TOKEN.UNKNOWN;
	};

	Tokenizer.prototype._is_opening = function(current_token) {
	  return current_token.type === TOKEN.START_BLOCK || current_token.type === TOKEN.START_EXPR;
	};

	Tokenizer.prototype._is_closing = function(current_token, open_token) {
	  return (current_token.type === TOKEN.END_BLOCK || current_token.type === TOKEN.END_EXPR) &&
	    (open_token && (
	      (current_token.text === ']' && open_token.text === '[') ||
	      (current_token.text === ')' && open_token.text === '(') ||
	      (current_token.text === '}' && open_token.text === '{')));
	};

	Tokenizer.prototype._reset = function() {
	  in_html_comment = false;
	};

	Tokenizer.prototype._get_next_token = function(previous_token, open_token) { // jshint unused:false
	  var token = null;
	  this._readWhitespace();
	  var c = this._input.peek();

	  if (c === null) {
	    return this._create_token(TOKEN.EOF, '');
	  }

	  token = token || this._read_non_javascript(c);
	  token = token || this._read_string(c);
	  token = token || this._read_pair(c, this._input.peek(1)); // Issue #2062 hack for record type '#{'
	  token = token || this._read_word(previous_token);
	  token = token || this._read_singles(c);
	  token = token || this._read_comment(c);
	  token = token || this._read_regexp(c, previous_token);
	  token = token || this._read_xml(c, previous_token);
	  token = token || this._read_punctuation();
	  token = token || this._create_token(TOKEN.UNKNOWN, this._input.next());

	  return token;
	};

	Tokenizer.prototype._read_word = function(previous_token) {
	  var resulting_string;
	  resulting_string = this.__patterns.identifier.read();
	  if (resulting_string !== '') {
	    resulting_string = resulting_string.replace(acorn.allLineBreaks, '\n');
	    if (!(previous_token.type === TOKEN.DOT ||
	        (previous_token.type === TOKEN.RESERVED && (previous_token.text === 'set' || previous_token.text === 'get'))) &&
	      reserved_word_pattern.test(resulting_string)) {
	      if ((resulting_string === 'in' || resulting_string === 'of') &&
	        (previous_token.type === TOKEN.WORD || previous_token.type === TOKEN.STRING)) { // hack for 'in' and 'of' operators
	        return this._create_token(TOKEN.OPERATOR, resulting_string);
	      }
	      return this._create_token(TOKEN.RESERVED, resulting_string);
	    }
	    return this._create_token(TOKEN.WORD, resulting_string);
	  }

	  resulting_string = this.__patterns.number.read();
	  if (resulting_string !== '') {
	    return this._create_token(TOKEN.WORD, resulting_string);
	  }
	};

	Tokenizer.prototype._read_singles = function(c) {
	  var token = null;
	  if (c === '(' || c === '[') {
	    token = this._create_token(TOKEN.START_EXPR, c);
	  } else if (c === ')' || c === ']') {
	    token = this._create_token(TOKEN.END_EXPR, c);
	  } else if (c === '{') {
	    token = this._create_token(TOKEN.START_BLOCK, c);
	  } else if (c === '}') {
	    token = this._create_token(TOKEN.END_BLOCK, c);
	  } else if (c === ';') {
	    token = this._create_token(TOKEN.SEMICOLON, c);
	  } else if (c === '.' && dot_pattern.test(this._input.peek(1))) {
	    token = this._create_token(TOKEN.DOT, c);
	  } else if (c === ',') {
	    token = this._create_token(TOKEN.COMMA, c);
	  }

	  if (token) {
	    this._input.next();
	  }
	  return token;
	};

	Tokenizer.prototype._read_pair = function(c, d) {
	  var token = null;
	  if (c === '#' && d === '{') {
	    token = this._create_token(TOKEN.START_BLOCK, c + d);
	  }

	  if (token) {
	    this._input.next();
	    this._input.next();
	  }
	  return token;
	};

	Tokenizer.prototype._read_punctuation = function() {
	  var resulting_string = this.__patterns.punct.read();

	  if (resulting_string !== '') {
	    if (resulting_string === '=') {
	      return this._create_token(TOKEN.EQUALS, resulting_string);
	    } else if (resulting_string === '?.') {
	      return this._create_token(TOKEN.DOT, resulting_string);
	    } else {
	      return this._create_token(TOKEN.OPERATOR, resulting_string);
	    }
	  }
	};

	Tokenizer.prototype._read_non_javascript = function(c) {
	  var resulting_string = '';

	  if (c === '#') {
	    if (this._is_first_token()) {
	      resulting_string = this.__patterns.shebang.read();

	      if (resulting_string) {
	        return this._create_token(TOKEN.UNKNOWN, resulting_string.trim() + '\n');
	      }
	    }

	    // handles extendscript #includes
	    resulting_string = this.__patterns.include.read();

	    if (resulting_string) {
	      return this._create_token(TOKEN.UNKNOWN, resulting_string.trim() + '\n');
	    }

	    c = this._input.next();

	    // Spidermonkey-specific sharp variables for circular references. Considered obsolete.
	    var sharp = '#';
	    if (this._input.hasNext() && this._input.testChar(digit)) {
	      do {
	        c = this._input.next();
	        sharp += c;
	      } while (this._input.hasNext() && c !== '#' && c !== '=');
	      if (c === '#') ; else if (this._input.peek() === '[' && this._input.peek(1) === ']') {
	        sharp += '[]';
	        this._input.next();
	        this._input.next();
	      } else if (this._input.peek() === '{' && this._input.peek(1) === '}') {
	        sharp += '{}';
	        this._input.next();
	        this._input.next();
	      }
	      return this._create_token(TOKEN.WORD, sharp);
	    }

	    this._input.back();

	  } else if (c === '<' && this._is_first_token()) {
	    resulting_string = this.__patterns.html_comment_start.read();
	    if (resulting_string) {
	      while (this._input.hasNext() && !this._input.testChar(acorn.newline)) {
	        resulting_string += this._input.next();
	      }
	      in_html_comment = true;
	      return this._create_token(TOKEN.COMMENT, resulting_string);
	    }
	  } else if (in_html_comment && c === '-') {
	    resulting_string = this.__patterns.html_comment_end.read();
	    if (resulting_string) {
	      in_html_comment = false;
	      return this._create_token(TOKEN.COMMENT, resulting_string);
	    }
	  }

	  return null;
	};

	Tokenizer.prototype._read_comment = function(c) {
	  var token = null;
	  if (c === '/') {
	    var comment = '';
	    if (this._input.peek(1) === '*') {
	      // peek for comment /* ... */
	      comment = this.__patterns.block_comment.read();
	      var directives = directives_core.get_directives(comment);
	      if (directives && directives.ignore === 'start') {
	        comment += directives_core.readIgnored(this._input);
	      }
	      comment = comment.replace(acorn.allLineBreaks, '\n');
	      token = this._create_token(TOKEN.BLOCK_COMMENT, comment);
	      token.directives = directives;
	    } else if (this._input.peek(1) === '/') {
	      // peek for comment // ...
	      comment = this.__patterns.comment.read();
	      token = this._create_token(TOKEN.COMMENT, comment);
	    }
	  }
	  return token;
	};

	Tokenizer.prototype._read_string = function(c) {
	  if (c === '`' || c === "'" || c === '"') {
	    var resulting_string = this._input.next();
	    this.has_char_escapes = false;

	    if (c === '`') {
	      resulting_string += this._read_string_recursive('`', true, '${');
	    } else {
	      resulting_string += this._read_string_recursive(c);
	    }

	    if (this.has_char_escapes && this._options.unescape_strings) {
	      resulting_string = unescape_string(resulting_string);
	    }

	    if (this._input.peek() === c) {
	      resulting_string += this._input.next();
	    }

	    resulting_string = resulting_string.replace(acorn.allLineBreaks, '\n');

	    return this._create_token(TOKEN.STRING, resulting_string);
	  }

	  return null;
	};

	Tokenizer.prototype._allow_regexp_or_xml = function(previous_token) {
	  // regex and xml can only appear in specific locations during parsing
	  return (previous_token.type === TOKEN.RESERVED && in_array(previous_token.text, ['return', 'case', 'throw', 'else', 'do', 'typeof', 'yield'])) ||
	    (previous_token.type === TOKEN.END_EXPR && previous_token.text === ')' &&
	      previous_token.opened.previous.type === TOKEN.RESERVED && in_array(previous_token.opened.previous.text, ['if', 'while', 'for'])) ||
	    (in_array(previous_token.type, [TOKEN.COMMENT, TOKEN.START_EXPR, TOKEN.START_BLOCK, TOKEN.START,
	      TOKEN.END_BLOCK, TOKEN.OPERATOR, TOKEN.EQUALS, TOKEN.EOF, TOKEN.SEMICOLON, TOKEN.COMMA
	    ]));
	};

	Tokenizer.prototype._read_regexp = function(c, previous_token) {

	  if (c === '/' && this._allow_regexp_or_xml(previous_token)) {
	    // handle regexp
	    //
	    var resulting_string = this._input.next();
	    var esc = false;

	    var in_char_class = false;
	    while (this._input.hasNext() &&
	      ((esc || in_char_class || this._input.peek() !== c) &&
	        !this._input.testChar(acorn.newline))) {
	      resulting_string += this._input.peek();
	      if (!esc) {
	        esc = this._input.peek() === '\\';
	        if (this._input.peek() === '[') {
	          in_char_class = true;
	        } else if (this._input.peek() === ']') {
	          in_char_class = false;
	        }
	      } else {
	        esc = false;
	      }
	      this._input.next();
	    }

	    if (this._input.peek() === c) {
	      resulting_string += this._input.next();

	      // regexps may have modifiers /regexp/MOD , so fetch those, too
	      // Only [gim] are valid, but if the user puts in garbage, do what we can to take it.
	      resulting_string += this._input.read(acorn.identifier);
	    }
	    return this._create_token(TOKEN.STRING, resulting_string);
	  }
	  return null;
	};

	Tokenizer.prototype._read_xml = function(c, previous_token) {

	  if (this._options.e4x && c === "<" && this._allow_regexp_or_xml(previous_token)) {
	    var xmlStr = '';
	    var match = this.__patterns.xml.read_match();
	    // handle e4x xml literals
	    //
	    if (match) {
	      // Trim root tag to attempt to
	      var rootTag = match[2].replace(/^{\s+/, '{').replace(/\s+}$/, '}');
	      var isCurlyRoot = rootTag.indexOf('{') === 0;
	      var depth = 0;
	      while (match) {
	        var isEndTag = !!match[1];
	        var tagName = match[2];
	        var isSingletonTag = (!!match[match.length - 1]) || (tagName.slice(0, 8) === "![CDATA[");
	        if (!isSingletonTag &&
	          (tagName === rootTag || (isCurlyRoot && tagName.replace(/^{\s+/, '{').replace(/\s+}$/, '}')))) {
	          if (isEndTag) {
	            --depth;
	          } else {
	            ++depth;
	          }
	        }
	        xmlStr += match[0];
	        if (depth <= 0) {
	          break;
	        }
	        match = this.__patterns.xml.read_match();
	      }
	      // if we didn't close correctly, keep unformatted.
	      if (!match) {
	        xmlStr += this._input.match(/[\s\S]*/g)[0];
	      }
	      xmlStr = xmlStr.replace(acorn.allLineBreaks, '\n');
	      return this._create_token(TOKEN.STRING, xmlStr);
	    }
	  }

	  return null;
	};

	function unescape_string(s) {
	  // You think that a regex would work for this
	  // return s.replace(/\\x([0-9a-f]{2})/gi, function(match, val) {
	  //         return String.fromCharCode(parseInt(val, 16));
	  //     })
	  // However, dealing with '\xff', '\\xff', '\\\xff' makes this more fun.
	  var out = '',
	    escaped = 0;

	  var input_scan = new InputScanner(s);
	  var matched = null;

	  while (input_scan.hasNext()) {
	    // Keep any whitespace, non-slash characters
	    // also keep slash pairs.
	    matched = input_scan.match(/([\s]|[^\\]|\\\\)+/g);

	    if (matched) {
	      out += matched[0];
	    }

	    if (input_scan.peek() === '\\') {
	      input_scan.next();
	      if (input_scan.peek() === 'x') {
	        matched = input_scan.match(/x([0-9A-Fa-f]{2})/g);
	      } else if (input_scan.peek() === 'u') {
	        matched = input_scan.match(/u([0-9A-Fa-f]{4})/g);
	        if (!matched) {
	          matched = input_scan.match(/u\{([0-9A-Fa-f]+)\}/g);
	        }
	      } else {
	        out += '\\';
	        if (input_scan.hasNext()) {
	          out += input_scan.next();
	        }
	        continue;
	      }

	      // If there's some error decoding, return the original string
	      if (!matched) {
	        return s;
	      }

	      escaped = parseInt(matched[1], 16);

	      if (escaped > 0x7e && escaped <= 0xff && matched[0].indexOf('x') === 0) {
	        // we bail out on \x7f..\xff,
	        // leaving whole string escaped,
	        // as it's probably completely binary
	        return s;
	      } else if (escaped >= 0x00 && escaped < 0x20) {
	        // leave 0x00...0x1f escaped
	        out += '\\' + matched[0];
	      } else if (escaped > 0x10FFFF) {
	        // If the escape sequence is out of bounds, keep the original sequence and continue conversion
	        out += '\\' + matched[0];
	      } else if (escaped === 0x22 || escaped === 0x27 || escaped === 0x5c) {
	        // single-quote, apostrophe, backslash - escape these
	        out += '\\' + String.fromCharCode(escaped);
	      } else {
	        out += String.fromCharCode(escaped);
	      }
	    }
	  }

	  return out;
	}

	// handle string
	//
	Tokenizer.prototype._read_string_recursive = function(delimiter, allow_unescaped_newlines, start_sub) {
	  var current_char;
	  var pattern;
	  if (delimiter === '\'') {
	    pattern = this.__patterns.single_quote;
	  } else if (delimiter === '"') {
	    pattern = this.__patterns.double_quote;
	  } else if (delimiter === '`') {
	    pattern = this.__patterns.template_text;
	  } else if (delimiter === '}') {
	    pattern = this.__patterns.template_expression;
	  }

	  var resulting_string = pattern.read();
	  var next = '';
	  while (this._input.hasNext()) {
	    next = this._input.next();
	    if (next === delimiter ||
	      (!allow_unescaped_newlines && acorn.newline.test(next))) {
	      this._input.back();
	      break;
	    } else if (next === '\\' && this._input.hasNext()) {
	      current_char = this._input.peek();

	      if (current_char === 'x' || current_char === 'u') {
	        this.has_char_escapes = true;
	      } else if (current_char === '\r' && this._input.peek(1) === '\n') {
	        this._input.next();
	      }
	      next += this._input.next();
	    } else if (start_sub) {
	      if (start_sub === '${' && next === '$' && this._input.peek() === '{') {
	        next += this._input.next();
	      }

	      if (start_sub === next) {
	        if (delimiter === '`') {
	          next += this._read_string_recursive('}', allow_unescaped_newlines, '`');
	        } else {
	          next += this._read_string_recursive('`', allow_unescaped_newlines, '${');
	        }
	        if (this._input.hasNext()) {
	          next += this._input.next();
	        }
	      }
	    }
	    next += pattern.read();
	    resulting_string += next;
	  }

	  return resulting_string;
	};

	tokenizer$2.Tokenizer = Tokenizer;
	tokenizer$2.TOKEN = TOKEN;
	tokenizer$2.positionable_operators = positionable_operators.slice();
	tokenizer$2.line_starters = line_starters.slice();
	return tokenizer$2;
}

/*jshint node:true */

var hasRequiredBeautifier$2;

function requireBeautifier$2 () {
	if (hasRequiredBeautifier$2) return beautifier$2;
	hasRequiredBeautifier$2 = 1;

	var Output = requireOutput().Output;
	var Token = requireToken().Token;
	var acorn = requireAcorn();
	var Options = requireOptions$2().Options;
	var Tokenizer = requireTokenizer$1().Tokenizer;
	var line_starters = requireTokenizer$1().line_starters;
	var positionable_operators = requireTokenizer$1().positionable_operators;
	var TOKEN = requireTokenizer$1().TOKEN;


	function in_array(what, arr) {
	  return arr.indexOf(what) !== -1;
	}

	function ltrim(s) {
	  return s.replace(/^\s+/g, '');
	}

	function generateMapFromStrings(list) {
	  var result = {};
	  for (var x = 0; x < list.length; x++) {
	    // make the mapped names underscored instead of dash
	    result[list[x].replace(/-/g, '_')] = list[x];
	  }
	  return result;
	}

	function reserved_word(token, word) {
	  return token && token.type === TOKEN.RESERVED && token.text === word;
	}

	function reserved_array(token, words) {
	  return token && token.type === TOKEN.RESERVED && in_array(token.text, words);
	}
	// Unsure of what they mean, but they work. Worth cleaning up in future.
	var special_words = ['case', 'return', 'do', 'if', 'throw', 'else', 'await', 'break', 'continue', 'async'];

	var validPositionValues = ['before-newline', 'after-newline', 'preserve-newline'];

	// Generate map from array
	var OPERATOR_POSITION = generateMapFromStrings(validPositionValues);

	var OPERATOR_POSITION_BEFORE_OR_PRESERVE = [OPERATOR_POSITION.before_newline, OPERATOR_POSITION.preserve_newline];

	var MODE = {
	  BlockStatement: 'BlockStatement', // 'BLOCK'
	  Statement: 'Statement', // 'STATEMENT'
	  ObjectLiteral: 'ObjectLiteral', // 'OBJECT',
	  ArrayLiteral: 'ArrayLiteral', //'[EXPRESSION]',
	  ForInitializer: 'ForInitializer', //'(FOR-EXPRESSION)',
	  Conditional: 'Conditional', //'(COND-EXPRESSION)',
	  Expression: 'Expression' //'(EXPRESSION)'
	};

	function remove_redundant_indentation(output, frame) {
	  // This implementation is effective but has some issues:
	  //     - can cause line wrap to happen too soon due to indent removal
	  //           after wrap points are calculated
	  // These issues are minor compared to ugly indentation.

	  if (frame.multiline_frame ||
	    frame.mode === MODE.ForInitializer ||
	    frame.mode === MODE.Conditional) {
	    return;
	  }

	  // remove one indent from each line inside this section
	  output.remove_indent(frame.start_line_index);
	}

	// we could use just string.split, but
	// IE doesn't like returning empty strings
	function split_linebreaks(s) {
	  //return s.split(/\x0d\x0a|\x0a/);

	  s = s.replace(acorn.allLineBreaks, '\n');
	  var out = [],
	    idx = s.indexOf("\n");
	  while (idx !== -1) {
	    out.push(s.substring(0, idx));
	    s = s.substring(idx + 1);
	    idx = s.indexOf("\n");
	  }
	  if (s.length) {
	    out.push(s);
	  }
	  return out;
	}

	function is_array(mode) {
	  return mode === MODE.ArrayLiteral;
	}

	function is_expression(mode) {
	  return in_array(mode, [MODE.Expression, MODE.ForInitializer, MODE.Conditional]);
	}

	function all_lines_start_with(lines, c) {
	  for (var i = 0; i < lines.length; i++) {
	    var line = lines[i].trim();
	    if (line.charAt(0) !== c) {
	      return false;
	    }
	  }
	  return true;
	}

	function each_line_matches_indent(lines, indent) {
	  var i = 0,
	    len = lines.length,
	    line;
	  for (; i < len; i++) {
	    line = lines[i];
	    // allow empty lines to pass through
	    if (line && line.indexOf(indent) !== 0) {
	      return false;
	    }
	  }
	  return true;
	}


	function Beautifier(source_text, options) {
	  options = options || {};
	  this._source_text = source_text || '';

	  this._output = null;
	  this._tokens = null;
	  this._last_last_text = null;
	  this._flags = null;
	  this._previous_flags = null;

	  this._flag_store = null;
	  this._options = new Options(options);
	}

	Beautifier.prototype.create_flags = function(flags_base, mode) {
	  var next_indent_level = 0;
	  if (flags_base) {
	    next_indent_level = flags_base.indentation_level;
	    if (!this._output.just_added_newline() &&
	      flags_base.line_indent_level > next_indent_level) {
	      next_indent_level = flags_base.line_indent_level;
	    }
	  }

	  var next_flags = {
	    mode: mode,
	    parent: flags_base,
	    last_token: flags_base ? flags_base.last_token : new Token(TOKEN.START_BLOCK, ''), // last token text
	    last_word: flags_base ? flags_base.last_word : '', // last TOKEN.WORD passed
	    declaration_statement: false,
	    declaration_assignment: false,
	    multiline_frame: false,
	    inline_frame: false,
	    if_block: false,
	    else_block: false,
	    class_start_block: false, // class A { INSIDE HERE } or class B extends C { INSIDE HERE }
	    do_block: false,
	    do_while: false,
	    import_block: false,
	    in_case_statement: false, // switch(..){ INSIDE HERE }
	    in_case: false, // we're on the exact line with "case 0:"
	    case_body: false, // the indented case-action block
	    case_block: false, // the indented case-action block is wrapped with {}
	    indentation_level: next_indent_level,
	    alignment: 0,
	    line_indent_level: flags_base ? flags_base.line_indent_level : next_indent_level,
	    start_line_index: this._output.get_line_number(),
	    ternary_depth: 0
	  };
	  return next_flags;
	};

	Beautifier.prototype._reset = function(source_text) {
	  var baseIndentString = source_text.match(/^[\t ]*/)[0];

	  this._last_last_text = ''; // pre-last token text
	  this._output = new Output(this._options, baseIndentString);

	  // If testing the ignore directive, start with output disable set to true
	  this._output.raw = this._options.test_output_raw;


	  // Stack of parsing/formatting states, including MODE.
	  // We tokenize, parse, and output in an almost purely a forward-only stream of token input
	  // and formatted output.  This makes the beautifier less accurate than full parsers
	  // but also far more tolerant of syntax errors.
	  //
	  // For example, the default mode is MODE.BlockStatement. If we see a '{' we push a new frame of type
	  // MODE.BlockStatement on the the stack, even though it could be object literal.  If we later
	  // encounter a ":", we'll switch to to MODE.ObjectLiteral.  If we then see a ";",
	  // most full parsers would die, but the beautifier gracefully falls back to
	  // MODE.BlockStatement and continues on.
	  this._flag_store = [];
	  this.set_mode(MODE.BlockStatement);
	  var tokenizer = new Tokenizer(source_text, this._options);
	  this._tokens = tokenizer.tokenize();
	  return source_text;
	};

	Beautifier.prototype.beautify = function() {
	  // if disabled, return the input unchanged.
	  if (this._options.disabled) {
	    return this._source_text;
	  }

	  var sweet_code;
	  var source_text = this._reset(this._source_text);

	  var eol = this._options.eol;
	  if (this._options.eol === 'auto') {
	    eol = '\n';
	    if (source_text && acorn.lineBreak.test(source_text || '')) {
	      eol = source_text.match(acorn.lineBreak)[0];
	    }
	  }

	  var current_token = this._tokens.next();
	  while (current_token) {
	    this.handle_token(current_token);

	    this._last_last_text = this._flags.last_token.text;
	    this._flags.last_token = current_token;

	    current_token = this._tokens.next();
	  }

	  sweet_code = this._output.get_code(eol);

	  return sweet_code;
	};

	Beautifier.prototype.handle_token = function(current_token, preserve_statement_flags) {
	  if (current_token.type === TOKEN.START_EXPR) {
	    this.handle_start_expr(current_token);
	  } else if (current_token.type === TOKEN.END_EXPR) {
	    this.handle_end_expr(current_token);
	  } else if (current_token.type === TOKEN.START_BLOCK) {
	    this.handle_start_block(current_token);
	  } else if (current_token.type === TOKEN.END_BLOCK) {
	    this.handle_end_block(current_token);
	  } else if (current_token.type === TOKEN.WORD) {
	    this.handle_word(current_token);
	  } else if (current_token.type === TOKEN.RESERVED) {
	    this.handle_word(current_token);
	  } else if (current_token.type === TOKEN.SEMICOLON) {
	    this.handle_semicolon(current_token);
	  } else if (current_token.type === TOKEN.STRING) {
	    this.handle_string(current_token);
	  } else if (current_token.type === TOKEN.EQUALS) {
	    this.handle_equals(current_token);
	  } else if (current_token.type === TOKEN.OPERATOR) {
	    this.handle_operator(current_token);
	  } else if (current_token.type === TOKEN.COMMA) {
	    this.handle_comma(current_token);
	  } else if (current_token.type === TOKEN.BLOCK_COMMENT) {
	    this.handle_block_comment(current_token, preserve_statement_flags);
	  } else if (current_token.type === TOKEN.COMMENT) {
	    this.handle_comment(current_token, preserve_statement_flags);
	  } else if (current_token.type === TOKEN.DOT) {
	    this.handle_dot(current_token);
	  } else if (current_token.type === TOKEN.EOF) {
	    this.handle_eof(current_token);
	  } else if (current_token.type === TOKEN.UNKNOWN) {
	    this.handle_unknown(current_token, preserve_statement_flags);
	  } else {
	    this.handle_unknown(current_token, preserve_statement_flags);
	  }
	};

	Beautifier.prototype.handle_whitespace_and_comments = function(current_token, preserve_statement_flags) {
	  var newlines = current_token.newlines;
	  var keep_whitespace = this._options.keep_array_indentation && is_array(this._flags.mode);

	  if (current_token.comments_before) {
	    var comment_token = current_token.comments_before.next();
	    while (comment_token) {
	      // The cleanest handling of inline comments is to treat them as though they aren't there.
	      // Just continue formatting and the behavior should be logical.
	      // Also ignore unknown tokens.  Again, this should result in better behavior.
	      this.handle_whitespace_and_comments(comment_token, preserve_statement_flags);
	      this.handle_token(comment_token, preserve_statement_flags);
	      comment_token = current_token.comments_before.next();
	    }
	  }

	  if (keep_whitespace) {
	    for (var i = 0; i < newlines; i += 1) {
	      this.print_newline(i > 0, preserve_statement_flags);
	    }
	  } else {
	    if (this._options.max_preserve_newlines && newlines > this._options.max_preserve_newlines) {
	      newlines = this._options.max_preserve_newlines;
	    }

	    if (this._options.preserve_newlines) {
	      if (newlines > 1) {
	        this.print_newline(false, preserve_statement_flags);
	        for (var j = 1; j < newlines; j += 1) {
	          this.print_newline(true, preserve_statement_flags);
	        }
	      }
	    }
	  }

	};

	var newline_restricted_tokens = ['async', 'break', 'continue', 'return', 'throw', 'yield'];

	Beautifier.prototype.allow_wrap_or_preserved_newline = function(current_token, force_linewrap) {
	  force_linewrap = (force_linewrap === undefined) ? false : force_linewrap;

	  // Never wrap the first token on a line
	  if (this._output.just_added_newline()) {
	    return;
	  }

	  var shouldPreserveOrForce = (this._options.preserve_newlines && current_token.newlines) || force_linewrap;
	  var operatorLogicApplies = in_array(this._flags.last_token.text, positionable_operators) ||
	    in_array(current_token.text, positionable_operators);

	  if (operatorLogicApplies) {
	    var shouldPrintOperatorNewline = (
	        in_array(this._flags.last_token.text, positionable_operators) &&
	        in_array(this._options.operator_position, OPERATOR_POSITION_BEFORE_OR_PRESERVE)
	      ) ||
	      in_array(current_token.text, positionable_operators);
	    shouldPreserveOrForce = shouldPreserveOrForce && shouldPrintOperatorNewline;
	  }

	  if (shouldPreserveOrForce) {
	    this.print_newline(false, true);
	  } else if (this._options.wrap_line_length) {
	    if (reserved_array(this._flags.last_token, newline_restricted_tokens)) {
	      // These tokens should never have a newline inserted
	      // between them and the following expression.
	      return;
	    }
	    this._output.set_wrap_point();
	  }
	};

	Beautifier.prototype.print_newline = function(force_newline, preserve_statement_flags) {
	  if (!preserve_statement_flags) {
	    if (this._flags.last_token.text !== ';' && this._flags.last_token.text !== ',' && this._flags.last_token.text !== '=' && (this._flags.last_token.type !== TOKEN.OPERATOR || this._flags.last_token.text === '--' || this._flags.last_token.text === '++')) {
	      var next_token = this._tokens.peek();
	      while (this._flags.mode === MODE.Statement &&
	        !(this._flags.if_block && reserved_word(next_token, 'else')) &&
	        !this._flags.do_block) {
	        this.restore_mode();
	      }
	    }
	  }

	  if (this._output.add_new_line(force_newline)) {
	    this._flags.multiline_frame = true;
	  }
	};

	Beautifier.prototype.print_token_line_indentation = function(current_token) {
	  if (this._output.just_added_newline()) {
	    if (this._options.keep_array_indentation &&
	      current_token.newlines &&
	      (current_token.text === '[' || is_array(this._flags.mode))) {
	      this._output.current_line.set_indent(-1);
	      this._output.current_line.push(current_token.whitespace_before);
	      this._output.space_before_token = false;
	    } else if (this._output.set_indent(this._flags.indentation_level, this._flags.alignment)) {
	      this._flags.line_indent_level = this._flags.indentation_level;
	    }
	  }
	};

	Beautifier.prototype.print_token = function(current_token) {
	  if (this._output.raw) {
	    this._output.add_raw_token(current_token);
	    return;
	  }

	  if (this._options.comma_first && current_token.previous && current_token.previous.type === TOKEN.COMMA &&
	    this._output.just_added_newline()) {
	    if (this._output.previous_line.last() === ',') {
	      var popped = this._output.previous_line.pop();
	      // if the comma was already at the start of the line,
	      // pull back onto that line and reprint the indentation
	      if (this._output.previous_line.is_empty()) {
	        this._output.previous_line.push(popped);
	        this._output.trim(true);
	        this._output.current_line.pop();
	        this._output.trim();
	      }

	      // add the comma in front of the next token
	      this.print_token_line_indentation(current_token);
	      this._output.add_token(',');
	      this._output.space_before_token = true;
	    }
	  }

	  this.print_token_line_indentation(current_token);
	  this._output.non_breaking_space = true;
	  this._output.add_token(current_token.text);
	  if (this._output.previous_token_wrapped) {
	    this._flags.multiline_frame = true;
	  }
	};

	Beautifier.prototype.indent = function() {
	  this._flags.indentation_level += 1;
	  this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
	};

	Beautifier.prototype.deindent = function() {
	  if (this._flags.indentation_level > 0 &&
	    ((!this._flags.parent) || this._flags.indentation_level > this._flags.parent.indentation_level)) {
	    this._flags.indentation_level -= 1;
	    this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
	  }
	};

	Beautifier.prototype.set_mode = function(mode) {
	  if (this._flags) {
	    this._flag_store.push(this._flags);
	    this._previous_flags = this._flags;
	  } else {
	    this._previous_flags = this.create_flags(null, mode);
	  }

	  this._flags = this.create_flags(this._previous_flags, mode);
	  this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
	};


	Beautifier.prototype.restore_mode = function() {
	  if (this._flag_store.length > 0) {
	    this._previous_flags = this._flags;
	    this._flags = this._flag_store.pop();
	    if (this._previous_flags.mode === MODE.Statement) {
	      remove_redundant_indentation(this._output, this._previous_flags);
	    }
	    this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
	  }
	};

	Beautifier.prototype.start_of_object_property = function() {
	  return this._flags.parent.mode === MODE.ObjectLiteral && this._flags.mode === MODE.Statement && (
	    (this._flags.last_token.text === ':' && this._flags.ternary_depth === 0) || (reserved_array(this._flags.last_token, ['get', 'set'])));
	};

	Beautifier.prototype.start_of_statement = function(current_token) {
	  var start = false;
	  start = start || reserved_array(this._flags.last_token, ['var', 'let', 'const']) && current_token.type === TOKEN.WORD;
	  start = start || reserved_word(this._flags.last_token, 'do');
	  start = start || (!(this._flags.parent.mode === MODE.ObjectLiteral && this._flags.mode === MODE.Statement)) && reserved_array(this._flags.last_token, newline_restricted_tokens) && !current_token.newlines;
	  start = start || reserved_word(this._flags.last_token, 'else') &&
	    !(reserved_word(current_token, 'if') && !current_token.comments_before);
	  start = start || (this._flags.last_token.type === TOKEN.END_EXPR && (this._previous_flags.mode === MODE.ForInitializer || this._previous_flags.mode === MODE.Conditional));
	  start = start || (this._flags.last_token.type === TOKEN.WORD && this._flags.mode === MODE.BlockStatement &&
	    !this._flags.in_case &&
	    !(current_token.text === '--' || current_token.text === '++') &&
	    this._last_last_text !== 'function' &&
	    current_token.type !== TOKEN.WORD && current_token.type !== TOKEN.RESERVED);
	  start = start || (this._flags.mode === MODE.ObjectLiteral && (
	    (this._flags.last_token.text === ':' && this._flags.ternary_depth === 0) || reserved_array(this._flags.last_token, ['get', 'set'])));

	  if (start) {
	    this.set_mode(MODE.Statement);
	    this.indent();

	    this.handle_whitespace_and_comments(current_token, true);

	    // Issue #276:
	    // If starting a new statement with [if, for, while, do], push to a new line.
	    // if (a) if (b) if(c) d(); else e(); else f();
	    if (!this.start_of_object_property()) {
	      this.allow_wrap_or_preserved_newline(current_token,
	        reserved_array(current_token, ['do', 'for', 'if', 'while']));
	    }
	    return true;
	  }
	  return false;
	};

	Beautifier.prototype.handle_start_expr = function(current_token) {
	  // The conditional starts the statement if appropriate.
	  if (!this.start_of_statement(current_token)) {
	    this.handle_whitespace_and_comments(current_token);
	  }

	  var next_mode = MODE.Expression;
	  if (current_token.text === '[') {

	    if (this._flags.last_token.type === TOKEN.WORD || this._flags.last_token.text === ')') {
	      // this is array index specifier, break immediately
	      // a[x], fn()[x]
	      if (reserved_array(this._flags.last_token, line_starters)) {
	        this._output.space_before_token = true;
	      }
	      this.print_token(current_token);
	      this.set_mode(next_mode);
	      this.indent();
	      if (this._options.space_in_paren) {
	        this._output.space_before_token = true;
	      }
	      return;
	    }

	    next_mode = MODE.ArrayLiteral;
	    if (is_array(this._flags.mode)) {
	      if (this._flags.last_token.text === '[' ||
	        (this._flags.last_token.text === ',' && (this._last_last_text === ']' || this._last_last_text === '}'))) {
	        // ], [ goes to new line
	        // }, [ goes to new line
	        if (!this._options.keep_array_indentation) {
	          this.print_newline();
	        }
	      }
	    }

	    if (!in_array(this._flags.last_token.type, [TOKEN.START_EXPR, TOKEN.END_EXPR, TOKEN.WORD, TOKEN.OPERATOR, TOKEN.DOT])) {
	      this._output.space_before_token = true;
	    }
	  } else {
	    if (this._flags.last_token.type === TOKEN.RESERVED) {
	      if (this._flags.last_token.text === 'for') {
	        this._output.space_before_token = this._options.space_before_conditional;
	        next_mode = MODE.ForInitializer;
	      } else if (in_array(this._flags.last_token.text, ['if', 'while', 'switch'])) {
	        this._output.space_before_token = this._options.space_before_conditional;
	        next_mode = MODE.Conditional;
	      } else if (in_array(this._flags.last_word, ['await', 'async'])) {
	        // Should be a space between await and an IIFE, or async and an arrow function
	        this._output.space_before_token = true;
	      } else if (this._flags.last_token.text === 'import' && current_token.whitespace_before === '') {
	        this._output.space_before_token = false;
	      } else if (in_array(this._flags.last_token.text, line_starters) || this._flags.last_token.text === 'catch') {
	        this._output.space_before_token = true;
	      }
	    } else if (this._flags.last_token.type === TOKEN.EQUALS || this._flags.last_token.type === TOKEN.OPERATOR) {
	      // Support of this kind of newline preservation.
	      // a = (b &&
	      //     (c || d));
	      if (!this.start_of_object_property()) {
	        this.allow_wrap_or_preserved_newline(current_token);
	      }
	    } else if (this._flags.last_token.type === TOKEN.WORD) {
	      this._output.space_before_token = false;

	      // function name() vs function name ()
	      // function* name() vs function* name ()
	      // async name() vs async name ()
	      // In ES6, you can also define the method properties of an object
	      // var obj = {a: function() {}}
	      // It can be abbreviated
	      // var obj = {a() {}}
	      // var obj = { a() {}} vs var obj = { a () {}}
	      // var obj = { * a() {}} vs var obj = { * a () {}}
	      var peek_back_two = this._tokens.peek(-3);
	      if (this._options.space_after_named_function && peek_back_two) {
	        // peek starts at next character so -1 is current token
	        var peek_back_three = this._tokens.peek(-4);
	        if (reserved_array(peek_back_two, ['async', 'function']) ||
	          (peek_back_two.text === '*' && reserved_array(peek_back_three, ['async', 'function']))) {
	          this._output.space_before_token = true;
	        } else if (this._flags.mode === MODE.ObjectLiteral) {
	          if ((peek_back_two.text === '{' || peek_back_two.text === ',') ||
	            (peek_back_two.text === '*' && (peek_back_three.text === '{' || peek_back_three.text === ','))) {
	            this._output.space_before_token = true;
	          }
	        } else if (this._flags.parent && this._flags.parent.class_start_block) {
	          this._output.space_before_token = true;
	        }
	      }
	    } else {
	      // Support preserving wrapped arrow function expressions
	      // a.b('c',
	      //     () => d.e
	      // )
	      this.allow_wrap_or_preserved_newline(current_token);
	    }

	    // function() vs function ()
	    // yield*() vs yield* ()
	    // function*() vs function* ()
	    if ((this._flags.last_token.type === TOKEN.RESERVED && (this._flags.last_word === 'function' || this._flags.last_word === 'typeof')) ||
	      (this._flags.last_token.text === '*' &&
	        (in_array(this._last_last_text, ['function', 'yield']) ||
	          (this._flags.mode === MODE.ObjectLiteral && in_array(this._last_last_text, ['{', ',']))))) {
	      this._output.space_before_token = this._options.space_after_anon_function;
	    }
	  }

	  if (this._flags.last_token.text === ';' || this._flags.last_token.type === TOKEN.START_BLOCK) {
	    this.print_newline();
	  } else if (this._flags.last_token.type === TOKEN.END_EXPR || this._flags.last_token.type === TOKEN.START_EXPR || this._flags.last_token.type === TOKEN.END_BLOCK || this._flags.last_token.text === '.' || this._flags.last_token.type === TOKEN.COMMA) {
	    // do nothing on (( and )( and ][ and ]( and .(
	    // TODO: Consider whether forcing this is required.  Review failing tests when removed.
	    this.allow_wrap_or_preserved_newline(current_token, current_token.newlines);
	  }

	  this.print_token(current_token);
	  this.set_mode(next_mode);
	  if (this._options.space_in_paren) {
	    this._output.space_before_token = true;
	  }

	  // In all cases, if we newline while inside an expression it should be indented.
	  this.indent();
	};

	Beautifier.prototype.handle_end_expr = function(current_token) {
	  // statements inside expressions are not valid syntax, but...
	  // statements must all be closed when their container closes
	  while (this._flags.mode === MODE.Statement) {
	    this.restore_mode();
	  }

	  this.handle_whitespace_and_comments(current_token);

	  if (this._flags.multiline_frame) {
	    this.allow_wrap_or_preserved_newline(current_token,
	      current_token.text === ']' && is_array(this._flags.mode) && !this._options.keep_array_indentation);
	  }

	  if (this._options.space_in_paren) {
	    if (this._flags.last_token.type === TOKEN.START_EXPR && !this._options.space_in_empty_paren) {
	      // () [] no inner space in empty parens like these, ever, ref #320
	      this._output.trim();
	      this._output.space_before_token = false;
	    } else {
	      this._output.space_before_token = true;
	    }
	  }
	  this.deindent();
	  this.print_token(current_token);
	  this.restore_mode();

	  remove_redundant_indentation(this._output, this._previous_flags);

	  // do {} while () // no statement required after
	  if (this._flags.do_while && this._previous_flags.mode === MODE.Conditional) {
	    this._previous_flags.mode = MODE.Expression;
	    this._flags.do_block = false;
	    this._flags.do_while = false;

	  }
	};

	Beautifier.prototype.handle_start_block = function(current_token) {
	  this.handle_whitespace_and_comments(current_token);

	  // Check if this is should be treated as a ObjectLiteral
	  var next_token = this._tokens.peek();
	  var second_token = this._tokens.peek(1);
	  if (this._flags.last_word === 'switch' && this._flags.last_token.type === TOKEN.END_EXPR) {
	    this.set_mode(MODE.BlockStatement);
	    this._flags.in_case_statement = true;
	  } else if (this._flags.case_body) {
	    this.set_mode(MODE.BlockStatement);
	  } else if (second_token && (
	      (in_array(second_token.text, [':', ',']) && in_array(next_token.type, [TOKEN.STRING, TOKEN.WORD, TOKEN.RESERVED])) ||
	      (in_array(next_token.text, ['get', 'set', '...']) && in_array(second_token.type, [TOKEN.WORD, TOKEN.RESERVED]))
	    )) {
	    // We don't support TypeScript,but we didn't break it for a very long time.
	    // We'll try to keep not breaking it.
	    if (in_array(this._last_last_text, ['class', 'interface']) && !in_array(second_token.text, [':', ','])) {
	      this.set_mode(MODE.BlockStatement);
	    } else {
	      this.set_mode(MODE.ObjectLiteral);
	    }
	  } else if (this._flags.last_token.type === TOKEN.OPERATOR && this._flags.last_token.text === '=>') {
	    // arrow function: (param1, paramN) => { statements }
	    this.set_mode(MODE.BlockStatement);
	  } else if (in_array(this._flags.last_token.type, [TOKEN.EQUALS, TOKEN.START_EXPR, TOKEN.COMMA, TOKEN.OPERATOR]) ||
	    reserved_array(this._flags.last_token, ['return', 'throw', 'import', 'default'])
	  ) {
	    // Detecting shorthand function syntax is difficult by scanning forward,
	    //     so check the surrounding context.
	    // If the block is being returned, imported, export default, passed as arg,
	    //     assigned with = or assigned in a nested object, treat as an ObjectLiteral.
	    this.set_mode(MODE.ObjectLiteral);
	  } else {
	    this.set_mode(MODE.BlockStatement);
	  }

	  if (this._flags.last_token) {
	    if (reserved_array(this._flags.last_token.previous, ['class', 'extends'])) {
	      this._flags.class_start_block = true;
	    }
	  }

	  var empty_braces = !next_token.comments_before && next_token.text === '}';
	  var empty_anonymous_function = empty_braces && this._flags.last_word === 'function' &&
	    this._flags.last_token.type === TOKEN.END_EXPR;

	  if (this._options.brace_preserve_inline) // check for inline, set inline_frame if so
	  {
	    // search forward for a newline wanted inside this block
	    var index = 0;
	    var check_token = null;
	    this._flags.inline_frame = true;
	    do {
	      index += 1;
	      check_token = this._tokens.peek(index - 1);
	      if (check_token.newlines) {
	        this._flags.inline_frame = false;
	        break;
	      }
	    } while (check_token.type !== TOKEN.EOF &&
	      !(check_token.type === TOKEN.END_BLOCK && check_token.opened === current_token));
	  }

	  if ((this._options.brace_style === "expand" ||
	      (this._options.brace_style === "none" && current_token.newlines)) &&
	    !this._flags.inline_frame) {
	    if (this._flags.last_token.type !== TOKEN.OPERATOR &&
	      (empty_anonymous_function ||
	        this._flags.last_token.type === TOKEN.EQUALS ||
	        (reserved_array(this._flags.last_token, special_words) && this._flags.last_token.text !== 'else'))) {
	      this._output.space_before_token = true;
	    } else {
	      this.print_newline(false, true);
	    }
	  } else { // collapse || inline_frame
	    if (is_array(this._previous_flags.mode) && (this._flags.last_token.type === TOKEN.START_EXPR || this._flags.last_token.type === TOKEN.COMMA)) {
	      if (this._flags.last_token.type === TOKEN.COMMA || this._options.space_in_paren) {
	        this._output.space_before_token = true;
	      }

	      if (this._flags.last_token.type === TOKEN.COMMA || (this._flags.last_token.type === TOKEN.START_EXPR && this._flags.inline_frame)) {
	        this.allow_wrap_or_preserved_newline(current_token);
	        this._previous_flags.multiline_frame = this._previous_flags.multiline_frame || this._flags.multiline_frame;
	        this._flags.multiline_frame = false;
	      }
	    }
	    if (this._flags.last_token.type !== TOKEN.OPERATOR && this._flags.last_token.type !== TOKEN.START_EXPR) {
	      if (in_array(this._flags.last_token.type, [TOKEN.START_BLOCK, TOKEN.SEMICOLON]) && !this._flags.inline_frame) {
	        this.print_newline();
	      } else {
	        this._output.space_before_token = true;
	      }
	    }
	  }
	  this.print_token(current_token);
	  this.indent();

	  // Except for specific cases, open braces are followed by a new line.
	  if (!empty_braces && !(this._options.brace_preserve_inline && this._flags.inline_frame)) {
	    this.print_newline();
	  }
	};

	Beautifier.prototype.handle_end_block = function(current_token) {
	  // statements must all be closed when their container closes
	  this.handle_whitespace_and_comments(current_token);

	  while (this._flags.mode === MODE.Statement) {
	    this.restore_mode();
	  }

	  var empty_braces = this._flags.last_token.type === TOKEN.START_BLOCK;

	  if (this._flags.inline_frame && !empty_braces) { // try inline_frame (only set if this._options.braces-preserve-inline) first
	    this._output.space_before_token = true;
	  } else if (this._options.brace_style === "expand") {
	    if (!empty_braces) {
	      this.print_newline();
	    }
	  } else {
	    // skip {}
	    if (!empty_braces) {
	      if (is_array(this._flags.mode) && this._options.keep_array_indentation) {
	        // we REALLY need a newline here, but newliner would skip that
	        this._options.keep_array_indentation = false;
	        this.print_newline();
	        this._options.keep_array_indentation = true;

	      } else {
	        this.print_newline();
	      }
	    }
	  }
	  this.restore_mode();
	  this.print_token(current_token);
	};

	Beautifier.prototype.handle_word = function(current_token) {
	  if (current_token.type === TOKEN.RESERVED) {
	    if (in_array(current_token.text, ['set', 'get']) && this._flags.mode !== MODE.ObjectLiteral) {
	      current_token.type = TOKEN.WORD;
	    } else if (current_token.text === 'import' && in_array(this._tokens.peek().text, ['(', '.'])) {
	      current_token.type = TOKEN.WORD;
	    } else if (in_array(current_token.text, ['as', 'from']) && !this._flags.import_block) {
	      current_token.type = TOKEN.WORD;
	    } else if (this._flags.mode === MODE.ObjectLiteral) {
	      var next_token = this._tokens.peek();
	      if (next_token.text === ':') {
	        current_token.type = TOKEN.WORD;
	      }
	    }
	  }

	  if (this.start_of_statement(current_token)) {
	    // The conditional starts the statement if appropriate.
	    if (reserved_array(this._flags.last_token, ['var', 'let', 'const']) && current_token.type === TOKEN.WORD) {
	      this._flags.declaration_statement = true;
	    }
	  } else if (current_token.newlines && !is_expression(this._flags.mode) &&
	    (this._flags.last_token.type !== TOKEN.OPERATOR || (this._flags.last_token.text === '--' || this._flags.last_token.text === '++')) &&
	    this._flags.last_token.type !== TOKEN.EQUALS &&
	    (this._options.preserve_newlines || !reserved_array(this._flags.last_token, ['var', 'let', 'const', 'set', 'get']))) {
	    this.handle_whitespace_and_comments(current_token);
	    this.print_newline();
	  } else {
	    this.handle_whitespace_and_comments(current_token);
	  }

	  if (this._flags.do_block && !this._flags.do_while) {
	    if (reserved_word(current_token, 'while')) {
	      // do {} ## while ()
	      this._output.space_before_token = true;
	      this.print_token(current_token);
	      this._output.space_before_token = true;
	      this._flags.do_while = true;
	      return;
	    } else {
	      // do {} should always have while as the next word.
	      // if we don't see the expected while, recover
	      this.print_newline();
	      this._flags.do_block = false;
	    }
	  }

	  // if may be followed by else, or not
	  // Bare/inline ifs are tricky
	  // Need to unwind the modes correctly: if (a) if (b) c(); else d(); else e();
	  if (this._flags.if_block) {
	    if (!this._flags.else_block && reserved_word(current_token, 'else')) {
	      this._flags.else_block = true;
	    } else {
	      while (this._flags.mode === MODE.Statement) {
	        this.restore_mode();
	      }
	      this._flags.if_block = false;
	      this._flags.else_block = false;
	    }
	  }

	  if (this._flags.in_case_statement && reserved_array(current_token, ['case', 'default'])) {
	    this.print_newline();
	    if (!this._flags.case_block && (this._flags.case_body || this._options.jslint_happy)) {
	      // switch cases following one another
	      this.deindent();
	    }
	    this._flags.case_body = false;

	    this.print_token(current_token);
	    this._flags.in_case = true;
	    return;
	  }

	  if (this._flags.last_token.type === TOKEN.COMMA || this._flags.last_token.type === TOKEN.START_EXPR || this._flags.last_token.type === TOKEN.EQUALS || this._flags.last_token.type === TOKEN.OPERATOR) {
	    if (!this.start_of_object_property() && !(
	        // start of object property is different for numeric values with +/- prefix operators
	        in_array(this._flags.last_token.text, ['+', '-']) && this._last_last_text === ':' && this._flags.parent.mode === MODE.ObjectLiteral)) {
	      this.allow_wrap_or_preserved_newline(current_token);
	    }
	  }

	  if (reserved_word(current_token, 'function')) {
	    if (in_array(this._flags.last_token.text, ['}', ';']) ||
	      (this._output.just_added_newline() && !(in_array(this._flags.last_token.text, ['(', '[', '{', ':', '=', ',']) || this._flags.last_token.type === TOKEN.OPERATOR))) {
	      // make sure there is a nice clean space of at least one blank line
	      // before a new function definition
	      if (!this._output.just_added_blankline() && !current_token.comments_before) {
	        this.print_newline();
	        this.print_newline(true);
	      }
	    }
	    if (this._flags.last_token.type === TOKEN.RESERVED || this._flags.last_token.type === TOKEN.WORD) {
	      if (reserved_array(this._flags.last_token, ['get', 'set', 'new', 'export']) ||
	        reserved_array(this._flags.last_token, newline_restricted_tokens)) {
	        this._output.space_before_token = true;
	      } else if (reserved_word(this._flags.last_token, 'default') && this._last_last_text === 'export') {
	        this._output.space_before_token = true;
	      } else if (this._flags.last_token.text === 'declare') {
	        // accomodates Typescript declare function formatting
	        this._output.space_before_token = true;
	      } else {
	        this.print_newline();
	      }
	    } else if (this._flags.last_token.type === TOKEN.OPERATOR || this._flags.last_token.text === '=') {
	      // foo = function
	      this._output.space_before_token = true;
	    } else if (!this._flags.multiline_frame && (is_expression(this._flags.mode) || is_array(this._flags.mode))) ; else {
	      this.print_newline();
	    }

	    this.print_token(current_token);
	    this._flags.last_word = current_token.text;
	    return;
	  }

	  var prefix = 'NONE';

	  if (this._flags.last_token.type === TOKEN.END_BLOCK) {

	    if (this._previous_flags.inline_frame) {
	      prefix = 'SPACE';
	    } else if (!reserved_array(current_token, ['else', 'catch', 'finally', 'from'])) {
	      prefix = 'NEWLINE';
	    } else {
	      if (this._options.brace_style === "expand" ||
	        this._options.brace_style === "end-expand" ||
	        (this._options.brace_style === "none" && current_token.newlines)) {
	        prefix = 'NEWLINE';
	      } else {
	        prefix = 'SPACE';
	        this._output.space_before_token = true;
	      }
	    }
	  } else if (this._flags.last_token.type === TOKEN.SEMICOLON && this._flags.mode === MODE.BlockStatement) {
	    // TODO: Should this be for STATEMENT as well?
	    prefix = 'NEWLINE';
	  } else if (this._flags.last_token.type === TOKEN.SEMICOLON && is_expression(this._flags.mode)) {
	    prefix = 'SPACE';
	  } else if (this._flags.last_token.type === TOKEN.STRING) {
	    prefix = 'NEWLINE';
	  } else if (this._flags.last_token.type === TOKEN.RESERVED || this._flags.last_token.type === TOKEN.WORD ||
	    (this._flags.last_token.text === '*' &&
	      (in_array(this._last_last_text, ['function', 'yield']) ||
	        (this._flags.mode === MODE.ObjectLiteral && in_array(this._last_last_text, ['{', ',']))))) {
	    prefix = 'SPACE';
	  } else if (this._flags.last_token.type === TOKEN.START_BLOCK) {
	    if (this._flags.inline_frame) {
	      prefix = 'SPACE';
	    } else {
	      prefix = 'NEWLINE';
	    }
	  } else if (this._flags.last_token.type === TOKEN.END_EXPR) {
	    this._output.space_before_token = true;
	    prefix = 'NEWLINE';
	  }

	  if (reserved_array(current_token, line_starters) && this._flags.last_token.text !== ')') {
	    if (this._flags.inline_frame || this._flags.last_token.text === 'else' || this._flags.last_token.text === 'export') {
	      prefix = 'SPACE';
	    } else {
	      prefix = 'NEWLINE';
	    }

	  }

	  if (reserved_array(current_token, ['else', 'catch', 'finally'])) {
	    if ((!(this._flags.last_token.type === TOKEN.END_BLOCK && this._previous_flags.mode === MODE.BlockStatement) ||
	        this._options.brace_style === "expand" ||
	        this._options.brace_style === "end-expand" ||
	        (this._options.brace_style === "none" && current_token.newlines)) &&
	      !this._flags.inline_frame) {
	      this.print_newline();
	    } else {
	      this._output.trim(true);
	      var line = this._output.current_line;
	      // If we trimmed and there's something other than a close block before us
	      // put a newline back in.  Handles '} // comment' scenario.
	      if (line.last() !== '}') {
	        this.print_newline();
	      }
	      this._output.space_before_token = true;
	    }
	  } else if (prefix === 'NEWLINE') {
	    if (reserved_array(this._flags.last_token, special_words)) {
	      // no newline between 'return nnn'
	      this._output.space_before_token = true;
	    } else if (this._flags.last_token.text === 'declare' && reserved_array(current_token, ['var', 'let', 'const'])) {
	      // accomodates Typescript declare formatting
	      this._output.space_before_token = true;
	    } else if (this._flags.last_token.type !== TOKEN.END_EXPR) {
	      if ((this._flags.last_token.type !== TOKEN.START_EXPR || !reserved_array(current_token, ['var', 'let', 'const'])) && this._flags.last_token.text !== ':') {
	        // no need to force newline on 'var': for (var x = 0...)
	        if (reserved_word(current_token, 'if') && reserved_word(current_token.previous, 'else')) {
	          // no newline for } else if {
	          this._output.space_before_token = true;
	        } else {
	          this.print_newline();
	        }
	      }
	    } else if (reserved_array(current_token, line_starters) && this._flags.last_token.text !== ')') {
	      this.print_newline();
	    }
	  } else if (this._flags.multiline_frame && is_array(this._flags.mode) && this._flags.last_token.text === ',' && this._last_last_text === '}') {
	    this.print_newline(); // }, in lists get a newline treatment
	  } else if (prefix === 'SPACE') {
	    this._output.space_before_token = true;
	  }
	  if (current_token.previous && (current_token.previous.type === TOKEN.WORD || current_token.previous.type === TOKEN.RESERVED)) {
	    this._output.space_before_token = true;
	  }
	  this.print_token(current_token);
	  this._flags.last_word = current_token.text;

	  if (current_token.type === TOKEN.RESERVED) {
	    if (current_token.text === 'do') {
	      this._flags.do_block = true;
	    } else if (current_token.text === 'if') {
	      this._flags.if_block = true;
	    } else if (current_token.text === 'import') {
	      this._flags.import_block = true;
	    } else if (this._flags.import_block && reserved_word(current_token, 'from')) {
	      this._flags.import_block = false;
	    }
	  }
	};

	Beautifier.prototype.handle_semicolon = function(current_token) {
	  if (this.start_of_statement(current_token)) {
	    // The conditional starts the statement if appropriate.
	    // Semicolon can be the start (and end) of a statement
	    this._output.space_before_token = false;
	  } else {
	    this.handle_whitespace_and_comments(current_token);
	  }

	  var next_token = this._tokens.peek();
	  while (this._flags.mode === MODE.Statement &&
	    !(this._flags.if_block && reserved_word(next_token, 'else')) &&
	    !this._flags.do_block) {
	    this.restore_mode();
	  }

	  // hacky but effective for the moment
	  if (this._flags.import_block) {
	    this._flags.import_block = false;
	  }
	  this.print_token(current_token);
	};

	Beautifier.prototype.handle_string = function(current_token) {
	  if (current_token.text.startsWith("`") && current_token.newlines === 0 && current_token.whitespace_before === '' && (current_token.previous.text === ')' || this._flags.last_token.type === TOKEN.WORD)) ; else if (this.start_of_statement(current_token)) {
	    // The conditional starts the statement if appropriate.
	    // One difference - strings want at least a space before
	    this._output.space_before_token = true;
	  } else {
	    this.handle_whitespace_and_comments(current_token);
	    if (this._flags.last_token.type === TOKEN.RESERVED || this._flags.last_token.type === TOKEN.WORD || this._flags.inline_frame) {
	      this._output.space_before_token = true;
	    } else if (this._flags.last_token.type === TOKEN.COMMA || this._flags.last_token.type === TOKEN.START_EXPR || this._flags.last_token.type === TOKEN.EQUALS || this._flags.last_token.type === TOKEN.OPERATOR) {
	      if (!this.start_of_object_property()) {
	        this.allow_wrap_or_preserved_newline(current_token);
	      }
	    } else if ((current_token.text.startsWith("`") && this._flags.last_token.type === TOKEN.END_EXPR && (current_token.previous.text === ']' || current_token.previous.text === ')') && current_token.newlines === 0)) {
	      this._output.space_before_token = true;
	    } else {
	      this.print_newline();
	    }
	  }
	  this.print_token(current_token);
	};

	Beautifier.prototype.handle_equals = function(current_token) {
	  if (this.start_of_statement(current_token)) ; else {
	    this.handle_whitespace_and_comments(current_token);
	  }

	  if (this._flags.declaration_statement) {
	    // just got an '=' in a var-line, different formatting/line-breaking, etc will now be done
	    this._flags.declaration_assignment = true;
	  }
	  this._output.space_before_token = true;
	  this.print_token(current_token);
	  this._output.space_before_token = true;
	};

	Beautifier.prototype.handle_comma = function(current_token) {
	  this.handle_whitespace_and_comments(current_token, true);

	  this.print_token(current_token);
	  this._output.space_before_token = true;
	  if (this._flags.declaration_statement) {
	    if (is_expression(this._flags.parent.mode)) {
	      // do not break on comma, for(var a = 1, b = 2)
	      this._flags.declaration_assignment = false;
	    }

	    if (this._flags.declaration_assignment) {
	      this._flags.declaration_assignment = false;
	      this.print_newline(false, true);
	    } else if (this._options.comma_first) {
	      // for comma-first, we want to allow a newline before the comma
	      // to turn into a newline after the comma, which we will fixup later
	      this.allow_wrap_or_preserved_newline(current_token);
	    }
	  } else if (this._flags.mode === MODE.ObjectLiteral ||
	    (this._flags.mode === MODE.Statement && this._flags.parent.mode === MODE.ObjectLiteral)) {
	    if (this._flags.mode === MODE.Statement) {
	      this.restore_mode();
	    }

	    if (!this._flags.inline_frame) {
	      this.print_newline();
	    }
	  } else if (this._options.comma_first) {
	    // EXPR or DO_BLOCK
	    // for comma-first, we want to allow a newline before the comma
	    // to turn into a newline after the comma, which we will fixup later
	    this.allow_wrap_or_preserved_newline(current_token);
	  }
	};

	Beautifier.prototype.handle_operator = function(current_token) {
	  var isGeneratorAsterisk = current_token.text === '*' &&
	    (reserved_array(this._flags.last_token, ['function', 'yield']) ||
	      (in_array(this._flags.last_token.type, [TOKEN.START_BLOCK, TOKEN.COMMA, TOKEN.END_BLOCK, TOKEN.SEMICOLON]))
	    );
	  var isUnary = in_array(current_token.text, ['-', '+']) && (
	    in_array(this._flags.last_token.type, [TOKEN.START_BLOCK, TOKEN.START_EXPR, TOKEN.EQUALS, TOKEN.OPERATOR]) ||
	    in_array(this._flags.last_token.text, line_starters) ||
	    this._flags.last_token.text === ','
	  );

	  if (this.start_of_statement(current_token)) ; else {
	    var preserve_statement_flags = !isGeneratorAsterisk;
	    this.handle_whitespace_and_comments(current_token, preserve_statement_flags);
	  }

	  // hack for actionscript's import .*;
	  if (current_token.text === '*' && this._flags.last_token.type === TOKEN.DOT) {
	    this.print_token(current_token);
	    return;
	  }

	  if (current_token.text === '::') {
	    // no spaces around exotic namespacing syntax operator
	    this.print_token(current_token);
	    return;
	  }

	  if (in_array(current_token.text, ['-', '+']) && this.start_of_object_property()) {
	    // numeric value with +/- symbol in front as a property
	    this.print_token(current_token);
	    return;
	  }

	  // Allow line wrapping between operators when operator_position is
	  //   set to before or preserve
	  if (this._flags.last_token.type === TOKEN.OPERATOR && in_array(this._options.operator_position, OPERATOR_POSITION_BEFORE_OR_PRESERVE)) {
	    this.allow_wrap_or_preserved_newline(current_token);
	  }

	  if (current_token.text === ':' && this._flags.in_case) {
	    this.print_token(current_token);

	    this._flags.in_case = false;
	    this._flags.case_body = true;
	    if (this._tokens.peek().type !== TOKEN.START_BLOCK) {
	      this.indent();
	      this.print_newline();
	      this._flags.case_block = false;
	    } else {
	      this._flags.case_block = true;
	      this._output.space_before_token = true;
	    }
	    return;
	  }

	  var space_before = true;
	  var space_after = true;
	  var in_ternary = false;
	  if (current_token.text === ':') {
	    if (this._flags.ternary_depth === 0) {
	      // Colon is invalid javascript outside of ternary and object, but do our best to guess what was meant.
	      space_before = false;
	    } else {
	      this._flags.ternary_depth -= 1;
	      in_ternary = true;
	    }
	  } else if (current_token.text === '?') {
	    this._flags.ternary_depth += 1;
	  }

	  // let's handle the operator_position option prior to any conflicting logic
	  if (!isUnary && !isGeneratorAsterisk && this._options.preserve_newlines && in_array(current_token.text, positionable_operators)) {
	    var isColon = current_token.text === ':';
	    var isTernaryColon = (isColon && in_ternary);
	    var isOtherColon = (isColon && !in_ternary);

	    switch (this._options.operator_position) {
	      case OPERATOR_POSITION.before_newline:
	        // if the current token is : and it's not a ternary statement then we set space_before to false
	        this._output.space_before_token = !isOtherColon;

	        this.print_token(current_token);

	        if (!isColon || isTernaryColon) {
	          this.allow_wrap_or_preserved_newline(current_token);
	        }

	        this._output.space_before_token = true;
	        return;

	      case OPERATOR_POSITION.after_newline:
	        // if the current token is anything but colon, or (via deduction) it's a colon and in a ternary statement,
	        //   then print a newline.

	        this._output.space_before_token = true;

	        if (!isColon || isTernaryColon) {
	          if (this._tokens.peek().newlines) {
	            this.print_newline(false, true);
	          } else {
	            this.allow_wrap_or_preserved_newline(current_token);
	          }
	        } else {
	          this._output.space_before_token = false;
	        }

	        this.print_token(current_token);

	        this._output.space_before_token = true;
	        return;

	      case OPERATOR_POSITION.preserve_newline:
	        if (!isOtherColon) {
	          this.allow_wrap_or_preserved_newline(current_token);
	        }

	        // if we just added a newline, or the current token is : and it's not a ternary statement,
	        //   then we set space_before to false
	        space_before = !(this._output.just_added_newline() || isOtherColon);

	        this._output.space_before_token = space_before;
	        this.print_token(current_token);
	        this._output.space_before_token = true;
	        return;
	    }
	  }

	  if (isGeneratorAsterisk) {
	    this.allow_wrap_or_preserved_newline(current_token);
	    space_before = false;
	    var next_token = this._tokens.peek();
	    space_after = next_token && in_array(next_token.type, [TOKEN.WORD, TOKEN.RESERVED]);
	  } else if (current_token.text === '...') {
	    this.allow_wrap_or_preserved_newline(current_token);
	    space_before = this._flags.last_token.type === TOKEN.START_BLOCK;
	    space_after = false;
	  } else if (in_array(current_token.text, ['--', '++', '!', '~']) || isUnary) {
	    // unary operators (and binary +/- pretending to be unary) special cases
	    if (this._flags.last_token.type === TOKEN.COMMA || this._flags.last_token.type === TOKEN.START_EXPR) {
	      this.allow_wrap_or_preserved_newline(current_token);
	    }

	    space_before = false;
	    space_after = false;

	    // http://www.ecma-international.org/ecma-262/5.1/#sec-7.9.1
	    // if there is a newline between -- or ++ and anything else we should preserve it.
	    if (current_token.newlines && (current_token.text === '--' || current_token.text === '++' || current_token.text === '~')) {
	      var new_line_needed = reserved_array(this._flags.last_token, special_words) && current_token.newlines;
	      if (new_line_needed && (this._previous_flags.if_block || this._previous_flags.else_block)) {
	        this.restore_mode();
	      }
	      this.print_newline(new_line_needed, true);
	    }

	    if (this._flags.last_token.text === ';' && is_expression(this._flags.mode)) {
	      // for (;; ++i)
	      //        ^^^
	      space_before = true;
	    }

	    if (this._flags.last_token.type === TOKEN.RESERVED) {
	      space_before = true;
	    } else if (this._flags.last_token.type === TOKEN.END_EXPR) {
	      space_before = !(this._flags.last_token.text === ']' && (current_token.text === '--' || current_token.text === '++'));
	    } else if (this._flags.last_token.type === TOKEN.OPERATOR) {
	      // a++ + ++b;
	      // a - -b
	      space_before = in_array(current_token.text, ['--', '-', '++', '+']) && in_array(this._flags.last_token.text, ['--', '-', '++', '+']);
	      // + and - are not unary when preceeded by -- or ++ operator
	      // a-- + b
	      // a * +b
	      // a - -b
	      if (in_array(current_token.text, ['+', '-']) && in_array(this._flags.last_token.text, ['--', '++'])) {
	        space_after = true;
	      }
	    }


	    if (((this._flags.mode === MODE.BlockStatement && !this._flags.inline_frame) || this._flags.mode === MODE.Statement) &&
	      (this._flags.last_token.text === '{' || this._flags.last_token.text === ';')) {
	      // { foo; --i }
	      // foo(); --bar;
	      this.print_newline();
	    }
	  }

	  this._output.space_before_token = this._output.space_before_token || space_before;
	  this.print_token(current_token);
	  this._output.space_before_token = space_after;
	};

	Beautifier.prototype.handle_block_comment = function(current_token, preserve_statement_flags) {
	  if (this._output.raw) {
	    this._output.add_raw_token(current_token);
	    if (current_token.directives && current_token.directives.preserve === 'end') {
	      // If we're testing the raw output behavior, do not allow a directive to turn it off.
	      this._output.raw = this._options.test_output_raw;
	    }
	    return;
	  }

	  if (current_token.directives) {
	    this.print_newline(false, preserve_statement_flags);
	    this.print_token(current_token);
	    if (current_token.directives.preserve === 'start') {
	      this._output.raw = true;
	    }
	    this.print_newline(false, true);
	    return;
	  }

	  // inline block
	  if (!acorn.newline.test(current_token.text) && !current_token.newlines) {
	    this._output.space_before_token = true;
	    this.print_token(current_token);
	    this._output.space_before_token = true;
	    return;
	  } else {
	    this.print_block_commment(current_token, preserve_statement_flags);
	  }
	};

	Beautifier.prototype.print_block_commment = function(current_token, preserve_statement_flags) {
	  var lines = split_linebreaks(current_token.text);
	  var j; // iterator for this case
	  var javadoc = false;
	  var starless = false;
	  var lastIndent = current_token.whitespace_before;
	  var lastIndentLength = lastIndent.length;

	  // block comment starts with a new line
	  this.print_newline(false, preserve_statement_flags);

	  // first line always indented
	  this.print_token_line_indentation(current_token);
	  this._output.add_token(lines[0]);
	  this.print_newline(false, preserve_statement_flags);


	  if (lines.length > 1) {
	    lines = lines.slice(1);
	    javadoc = all_lines_start_with(lines, '*');
	    starless = each_line_matches_indent(lines, lastIndent);

	    if (javadoc) {
	      this._flags.alignment = 1;
	    }

	    for (j = 0; j < lines.length; j++) {
	      if (javadoc) {
	        // javadoc: reformat and re-indent
	        this.print_token_line_indentation(current_token);
	        this._output.add_token(ltrim(lines[j]));
	      } else if (starless && lines[j]) {
	        // starless: re-indent non-empty content, avoiding trim
	        this.print_token_line_indentation(current_token);
	        this._output.add_token(lines[j].substring(lastIndentLength));
	      } else {
	        // normal comments output raw
	        this._output.current_line.set_indent(-1);
	        this._output.add_token(lines[j]);
	      }

	      // for comments on their own line or  more than one line, make sure there's a new line after
	      this.print_newline(false, preserve_statement_flags);
	    }

	    this._flags.alignment = 0;
	  }
	};


	Beautifier.prototype.handle_comment = function(current_token, preserve_statement_flags) {
	  if (current_token.newlines) {
	    this.print_newline(false, preserve_statement_flags);
	  } else {
	    this._output.trim(true);
	  }

	  this._output.space_before_token = true;
	  this.print_token(current_token);
	  this.print_newline(false, preserve_statement_flags);
	};

	Beautifier.prototype.handle_dot = function(current_token) {
	  if (this.start_of_statement(current_token)) ; else {
	    this.handle_whitespace_and_comments(current_token, true);
	  }

	  if (this._flags.last_token.text.match('^[0-9]+$')) {
	    this._output.space_before_token = true;
	  }

	  if (reserved_array(this._flags.last_token, special_words)) {
	    this._output.space_before_token = false;
	  } else {
	    // allow preserved newlines before dots in general
	    // force newlines on dots after close paren when break_chained - for bar().baz()
	    this.allow_wrap_or_preserved_newline(current_token,
	      this._flags.last_token.text === ')' && this._options.break_chained_methods);
	  }

	  // Only unindent chained method dot if this dot starts a new line.
	  // Otherwise the automatic extra indentation removal will handle the over indent
	  if (this._options.unindent_chained_methods && this._output.just_added_newline()) {
	    this.deindent();
	  }

	  this.print_token(current_token);
	};

	Beautifier.prototype.handle_unknown = function(current_token, preserve_statement_flags) {
	  this.print_token(current_token);

	  if (current_token.text[current_token.text.length - 1] === '\n') {
	    this.print_newline(false, preserve_statement_flags);
	  }
	};

	Beautifier.prototype.handle_eof = function(current_token) {
	  // Unwind any open statements
	  while (this._flags.mode === MODE.Statement) {
	    this.restore_mode();
	  }
	  this.handle_whitespace_and_comments(current_token);
	};

	beautifier$2.Beautifier = Beautifier;
	return beautifier$2;
}

/*jshint node:true */

var hasRequiredJavascript;

function requireJavascript () {
	if (hasRequiredJavascript) return javascript.exports;
	hasRequiredJavascript = 1;

	var Beautifier = requireBeautifier$2().Beautifier,
	  Options = requireOptions$2().Options;

	function js_beautify(js_source_text, options) {
	  var beautifier = new Beautifier(js_source_text, options);
	  return beautifier.beautify();
	}

	javascript.exports = js_beautify;
	javascript.exports.defaultOptions = function() {
	  return new Options();
	};
	return javascript.exports;
}

var css = {exports: {}};

var beautifier$1 = {};

var options$1 = {};

/*jshint node:true */

var hasRequiredOptions$1;

function requireOptions$1 () {
	if (hasRequiredOptions$1) return options$1;
	hasRequiredOptions$1 = 1;

	var BaseOptions = requireOptions$3().Options;

	function Options(options) {
	  BaseOptions.call(this, options, 'css');

	  this.selector_separator_newline = this._get_boolean('selector_separator_newline', true);
	  this.newline_between_rules = this._get_boolean('newline_between_rules', true);
	  var space_around_selector_separator = this._get_boolean('space_around_selector_separator');
	  this.space_around_combinator = this._get_boolean('space_around_combinator') || space_around_selector_separator;

	  var brace_style_split = this._get_selection_list('brace_style', ['collapse', 'expand', 'end-expand', 'none', 'preserve-inline']);
	  this.brace_style = 'collapse';
	  for (var bs = 0; bs < brace_style_split.length; bs++) {
	    if (brace_style_split[bs] !== 'expand') {
	      // default to collapse, as only collapse|expand is implemented for now
	      this.brace_style = 'collapse';
	    } else {
	      this.brace_style = brace_style_split[bs];
	    }
	  }
	}
	Options.prototype = new BaseOptions();



	options$1.Options = Options;
	return options$1;
}

/*jshint node:true */

var hasRequiredBeautifier$1;

function requireBeautifier$1 () {
	if (hasRequiredBeautifier$1) return beautifier$1;
	hasRequiredBeautifier$1 = 1;

	var Options = requireOptions$1().Options;
	var Output = requireOutput().Output;
	var InputScanner = requireInputscanner().InputScanner;
	var Directives = requireDirectives().Directives;

	var directives_core = new Directives(/\/\*/, /\*\//);

	var lineBreak = /\r\n|[\r\n]/;
	var allLineBreaks = /\r\n|[\r\n]/g;

	// tokenizer
	var whitespaceChar = /\s/;
	var whitespacePattern = /(?:\s|\n)+/g;
	var block_comment_pattern = /\/\*(?:[\s\S]*?)((?:\*\/)|$)/g;
	var comment_pattern = /\/\/(?:[^\n\r\u2028\u2029]*)/g;

	function Beautifier(source_text, options) {
	  this._source_text = source_text || '';
	  // Allow the setting of language/file-type specific options
	  // with inheritance of overall settings
	  this._options = new Options(options);
	  this._ch = null;
	  this._input = null;

	  // https://developer.mozilla.org/en-US/docs/Web/CSS/At-rule
	  this.NESTED_AT_RULE = {
	    "page": true,
	    "font-face": true,
	    "keyframes": true,
	    // also in CONDITIONAL_GROUP_RULE below
	    "media": true,
	    "supports": true,
	    "document": true
	  };
	  this.CONDITIONAL_GROUP_RULE = {
	    "media": true,
	    "supports": true,
	    "document": true
	  };
	  this.NON_SEMICOLON_NEWLINE_PROPERTY = [
	    "grid-template-areas",
	    "grid-template"
	  ];

	}

	Beautifier.prototype.eatString = function(endChars) {
	  var result = '';
	  this._ch = this._input.next();
	  while (this._ch) {
	    result += this._ch;
	    if (this._ch === "\\") {
	      result += this._input.next();
	    } else if (endChars.indexOf(this._ch) !== -1 || this._ch === "\n") {
	      break;
	    }
	    this._ch = this._input.next();
	  }
	  return result;
	};

	// Skips any white space in the source text from the current position.
	// When allowAtLeastOneNewLine is true, will output new lines for each
	// newline character found; if the user has preserve_newlines off, only
	// the first newline will be output
	Beautifier.prototype.eatWhitespace = function(allowAtLeastOneNewLine) {
	  var result = whitespaceChar.test(this._input.peek());
	  var newline_count = 0;
	  while (whitespaceChar.test(this._input.peek())) {
	    this._ch = this._input.next();
	    if (allowAtLeastOneNewLine && this._ch === '\n') {
	      if (newline_count === 0 || newline_count < this._options.max_preserve_newlines) {
	        newline_count++;
	        this._output.add_new_line(true);
	      }
	    }
	  }
	  return result;
	};

	// Nested pseudo-class if we are insideRule
	// and the next special character found opens
	// a new block
	Beautifier.prototype.foundNestedPseudoClass = function() {
	  var openParen = 0;
	  var i = 1;
	  var ch = this._input.peek(i);
	  while (ch) {
	    if (ch === "{") {
	      return true;
	    } else if (ch === '(') {
	      // pseudoclasses can contain ()
	      openParen += 1;
	    } else if (ch === ')') {
	      if (openParen === 0) {
	        return false;
	      }
	      openParen -= 1;
	    } else if (ch === ";" || ch === "}") {
	      return false;
	    }
	    i++;
	    ch = this._input.peek(i);
	  }
	  return false;
	};

	Beautifier.prototype.print_string = function(output_string) {
	  this._output.set_indent(this._indentLevel);
	  this._output.non_breaking_space = true;
	  this._output.add_token(output_string);
	};

	Beautifier.prototype.preserveSingleSpace = function(isAfterSpace) {
	  if (isAfterSpace) {
	    this._output.space_before_token = true;
	  }
	};

	Beautifier.prototype.indent = function() {
	  this._indentLevel++;
	};

	Beautifier.prototype.outdent = function() {
	  if (this._indentLevel > 0) {
	    this._indentLevel--;
	  }
	};

	/*_____________________--------------------_____________________*/

	Beautifier.prototype.beautify = function() {
	  if (this._options.disabled) {
	    return this._source_text;
	  }

	  var source_text = this._source_text;
	  var eol = this._options.eol;
	  if (eol === 'auto') {
	    eol = '\n';
	    if (source_text && lineBreak.test(source_text || '')) {
	      eol = source_text.match(lineBreak)[0];
	    }
	  }


	  // HACK: newline parsing inconsistent. This brute force normalizes the this._input.
	  source_text = source_text.replace(allLineBreaks, '\n');

	  // reset
	  var baseIndentString = source_text.match(/^[\t ]*/)[0];

	  this._output = new Output(this._options, baseIndentString);
	  this._input = new InputScanner(source_text);
	  this._indentLevel = 0;
	  this._nestedLevel = 0;

	  this._ch = null;
	  var parenLevel = 0;

	  var insideRule = false;
	  // This is the value side of a property value pair (blue in the following ex)
	  // label { content: blue }
	  var insidePropertyValue = false;
	  var enteringConditionalGroup = false;
	  var insideNonNestedAtRule = false;
	  var insideScssMap = false;
	  var topCharacter = this._ch;
	  var insideNonSemiColonValues = false;
	  var whitespace;
	  var isAfterSpace;
	  var previous_ch;

	  while (true) {
	    whitespace = this._input.read(whitespacePattern);
	    isAfterSpace = whitespace !== '';
	    previous_ch = topCharacter;
	    this._ch = this._input.next();
	    if (this._ch === '\\' && this._input.hasNext()) {
	      this._ch += this._input.next();
	    }
	    topCharacter = this._ch;

	    if (!this._ch) {
	      break;
	    } else if (this._ch === '/' && this._input.peek() === '*') {
	      // /* css comment */
	      // Always start block comments on a new line.
	      // This handles scenarios where a block comment immediately
	      // follows a property definition on the same line or where
	      // minified code is being beautified.
	      this._output.add_new_line();
	      this._input.back();

	      var comment = this._input.read(block_comment_pattern);

	      // Handle ignore directive
	      var directives = directives_core.get_directives(comment);
	      if (directives && directives.ignore === 'start') {
	        comment += directives_core.readIgnored(this._input);
	      }

	      this.print_string(comment);

	      // Ensures any new lines following the comment are preserved
	      this.eatWhitespace(true);

	      // Block comments are followed by a new line so they don't
	      // share a line with other properties
	      this._output.add_new_line();
	    } else if (this._ch === '/' && this._input.peek() === '/') {
	      // // single line comment
	      // Preserves the space before a comment
	      // on the same line as a rule
	      this._output.space_before_token = true;
	      this._input.back();
	      this.print_string(this._input.read(comment_pattern));

	      // Ensures any new lines following the comment are preserved
	      this.eatWhitespace(true);
	    } else if (this._ch === '$') {
	      this.preserveSingleSpace(isAfterSpace);

	      this.print_string(this._ch);

	      // strip trailing space, if present, for hash property checks
	      var variable = this._input.peekUntilAfter(/[: ,;{}()[\]\/='"]/g);

	      if (variable.match(/[ :]$/)) {
	        // we have a variable or pseudo-class, add it and insert one space before continuing
	        variable = this.eatString(": ").replace(/\s+$/, '');
	        this.print_string(variable);
	        this._output.space_before_token = true;
	      }

	      // might be sass variable
	      if (parenLevel === 0 && variable.indexOf(':') !== -1) {
	        insidePropertyValue = true;
	        this.indent();
	      }
	    } else if (this._ch === '@') {
	      this.preserveSingleSpace(isAfterSpace);

	      // deal with less property mixins @{...}
	      if (this._input.peek() === '{') {
	        this.print_string(this._ch + this.eatString('}'));
	      } else {
	        this.print_string(this._ch);

	        // strip trailing space, if present, for hash property checks
	        var variableOrRule = this._input.peekUntilAfter(/[: ,;{}()[\]\/='"]/g);

	        if (variableOrRule.match(/[ :]$/)) {
	          // we have a variable or pseudo-class, add it and insert one space before continuing
	          variableOrRule = this.eatString(": ").replace(/\s+$/, '');
	          this.print_string(variableOrRule);
	          this._output.space_before_token = true;
	        }

	        // might be less variable
	        if (parenLevel === 0 && variableOrRule.indexOf(':') !== -1) {
	          insidePropertyValue = true;
	          this.indent();

	          // might be a nesting at-rule
	        } else if (variableOrRule in this.NESTED_AT_RULE) {
	          this._nestedLevel += 1;
	          if (variableOrRule in this.CONDITIONAL_GROUP_RULE) {
	            enteringConditionalGroup = true;
	          }

	          // might be a non-nested at-rule
	        } else if (parenLevel === 0 && !insidePropertyValue) {
	          insideNonNestedAtRule = true;
	        }
	      }
	    } else if (this._ch === '#' && this._input.peek() === '{') {
	      this.preserveSingleSpace(isAfterSpace);
	      this.print_string(this._ch + this.eatString('}'));
	    } else if (this._ch === '{') {
	      if (insidePropertyValue) {
	        insidePropertyValue = false;
	        this.outdent();
	      }

	      // non nested at rule becomes nested
	      insideNonNestedAtRule = false;

	      // when entering conditional groups, only rulesets are allowed
	      if (enteringConditionalGroup) {
	        enteringConditionalGroup = false;
	        insideRule = (this._indentLevel >= this._nestedLevel);
	      } else {
	        // otherwise, declarations are also allowed
	        insideRule = (this._indentLevel >= this._nestedLevel - 1);
	      }
	      if (this._options.newline_between_rules && insideRule) {
	        if (this._output.previous_line && this._output.previous_line.item(-1) !== '{') {
	          this._output.ensure_empty_line_above('/', ',');
	        }
	      }

	      this._output.space_before_token = true;

	      // The difference in print_string and indent order is necessary to indent the '{' correctly
	      if (this._options.brace_style === 'expand') {
	        this._output.add_new_line();
	        this.print_string(this._ch);
	        this.indent();
	        this._output.set_indent(this._indentLevel);
	      } else {
	        // inside mixin and first param is object
	        if (previous_ch === '(') {
	          this._output.space_before_token = false;
	        } else if (previous_ch !== ',') {
	          this.indent();
	        }
	        this.print_string(this._ch);
	      }

	      this.eatWhitespace(true);
	      this._output.add_new_line();
	    } else if (this._ch === '}') {
	      this.outdent();
	      this._output.add_new_line();
	      if (previous_ch === '{') {
	        this._output.trim(true);
	      }

	      if (insidePropertyValue) {
	        this.outdent();
	        insidePropertyValue = false;
	      }
	      this.print_string(this._ch);
	      insideRule = false;
	      if (this._nestedLevel) {
	        this._nestedLevel--;
	      }

	      this.eatWhitespace(true);
	      this._output.add_new_line();

	      if (this._options.newline_between_rules && !this._output.just_added_blankline()) {
	        if (this._input.peek() !== '}') {
	          this._output.add_new_line(true);
	        }
	      }
	      if (this._input.peek() === ')') {
	        this._output.trim(true);
	        if (this._options.brace_style === "expand") {
	          this._output.add_new_line(true);
	        }
	      }
	    } else if (this._ch === ":") {

	      for (var i = 0; i < this.NON_SEMICOLON_NEWLINE_PROPERTY.length; i++) {
	        if (this._input.lookBack(this.NON_SEMICOLON_NEWLINE_PROPERTY[i])) {
	          insideNonSemiColonValues = true;
	          break;
	        }
	      }

	      if ((insideRule || enteringConditionalGroup) && !(this._input.lookBack("&") || this.foundNestedPseudoClass()) && !this._input.lookBack("(") && !insideNonNestedAtRule && parenLevel === 0) {
	        // 'property: value' delimiter
	        // which could be in a conditional group query

	        this.print_string(':');
	        if (!insidePropertyValue) {
	          insidePropertyValue = true;
	          this._output.space_before_token = true;
	          this.eatWhitespace(true);
	          this.indent();
	        }
	      } else {
	        // sass/less parent reference don't use a space
	        // sass nested pseudo-class don't use a space

	        // preserve space before pseudoclasses/pseudoelements, as it means "in any child"
	        if (this._input.lookBack(" ")) {
	          this._output.space_before_token = true;
	        }
	        if (this._input.peek() === ":") {
	          // pseudo-element
	          this._ch = this._input.next();
	          this.print_string("::");
	        } else {
	          // pseudo-class
	          this.print_string(':');
	        }
	      }
	    } else if (this._ch === '"' || this._ch === '\'') {
	      var preserveQuoteSpace = previous_ch === '"' || previous_ch === '\'';
	      this.preserveSingleSpace(preserveQuoteSpace || isAfterSpace);
	      this.print_string(this._ch + this.eatString(this._ch));
	      this.eatWhitespace(true);
	    } else if (this._ch === ';') {
	      insideNonSemiColonValues = false;
	      if (parenLevel === 0) {
	        if (insidePropertyValue) {
	          this.outdent();
	          insidePropertyValue = false;
	        }
	        insideNonNestedAtRule = false;
	        this.print_string(this._ch);
	        this.eatWhitespace(true);

	        // This maintains single line comments on the same
	        // line. Block comments are also affected, but
	        // a new line is always output before one inside
	        // that section
	        if (this._input.peek() !== '/') {
	          this._output.add_new_line();
	        }
	      } else {
	        this.print_string(this._ch);
	        this.eatWhitespace(true);
	        this._output.space_before_token = true;
	      }
	    } else if (this._ch === '(') { // may be a url
	      if (this._input.lookBack("url")) {
	        this.print_string(this._ch);
	        this.eatWhitespace();
	        parenLevel++;
	        this.indent();
	        this._ch = this._input.next();
	        if (this._ch === ')' || this._ch === '"' || this._ch === '\'') {
	          this._input.back();
	        } else if (this._ch) {
	          this.print_string(this._ch + this.eatString(')'));
	          if (parenLevel) {
	            parenLevel--;
	            this.outdent();
	          }
	        }
	      } else {
	        var space_needed = false;
	        if (this._input.lookBack("with")) {
	          // look back is not an accurate solution, we need tokens to confirm without whitespaces
	          space_needed = true;
	        }
	        this.preserveSingleSpace(isAfterSpace || space_needed);
	        this.print_string(this._ch);

	        // handle scss/sass map
	        if (insidePropertyValue && previous_ch === "$" && this._options.selector_separator_newline) {
	          this._output.add_new_line();
	          insideScssMap = true;
	        } else {
	          this.eatWhitespace();
	          parenLevel++;
	          this.indent();
	        }
	      }
	    } else if (this._ch === ')') {
	      if (parenLevel) {
	        parenLevel--;
	        this.outdent();
	      }
	      if (insideScssMap && this._input.peek() === ";" && this._options.selector_separator_newline) {
	        insideScssMap = false;
	        this.outdent();
	        this._output.add_new_line();
	      }
	      this.print_string(this._ch);
	    } else if (this._ch === ',') {
	      this.print_string(this._ch);
	      this.eatWhitespace(true);
	      if (this._options.selector_separator_newline && (!insidePropertyValue || insideScssMap) && parenLevel === 0 && !insideNonNestedAtRule) {
	        this._output.add_new_line();
	      } else {
	        this._output.space_before_token = true;
	      }
	    } else if ((this._ch === '>' || this._ch === '+' || this._ch === '~') && !insidePropertyValue && parenLevel === 0) {
	      //handle combinator spacing
	      if (this._options.space_around_combinator) {
	        this._output.space_before_token = true;
	        this.print_string(this._ch);
	        this._output.space_before_token = true;
	      } else {
	        this.print_string(this._ch);
	        this.eatWhitespace();
	        // squash extra whitespace
	        if (this._ch && whitespaceChar.test(this._ch)) {
	          this._ch = '';
	        }
	      }
	    } else if (this._ch === ']') {
	      this.print_string(this._ch);
	    } else if (this._ch === '[') {
	      this.preserveSingleSpace(isAfterSpace);
	      this.print_string(this._ch);
	    } else if (this._ch === '=') { // no whitespace before or after
	      this.eatWhitespace();
	      this.print_string('=');
	      if (whitespaceChar.test(this._ch)) {
	        this._ch = '';
	      }
	    } else if (this._ch === '!' && !this._input.lookBack("\\")) { // !important
	      this._output.space_before_token = true;
	      this.print_string(this._ch);
	    } else {
	      var preserveAfterSpace = previous_ch === '"' || previous_ch === '\'';
	      this.preserveSingleSpace(preserveAfterSpace || isAfterSpace);
	      this.print_string(this._ch);

	      if (!this._output.just_added_newline() && this._input.peek() === '\n' && insideNonSemiColonValues) {
	        this._output.add_new_line();
	      }
	    }
	  }

	  var sweetCode = this._output.get_code(eol);

	  return sweetCode;
	};

	beautifier$1.Beautifier = Beautifier;
	return beautifier$1;
}

/*jshint node:true */

var hasRequiredCss;

function requireCss () {
	if (hasRequiredCss) return css.exports;
	hasRequiredCss = 1;

	var Beautifier = requireBeautifier$1().Beautifier,
	  Options = requireOptions$1().Options;

	function css_beautify(source_text, options) {
	  var beautifier = new Beautifier(source_text, options);
	  return beautifier.beautify();
	}

	css.exports = css_beautify;
	css.exports.defaultOptions = function() {
	  return new Options();
	};
	return css.exports;
}

var html = {exports: {}};

var beautifier = {};

var options = {};

/*jshint node:true */

var hasRequiredOptions;

function requireOptions () {
	if (hasRequiredOptions) return options;
	hasRequiredOptions = 1;

	var BaseOptions = requireOptions$3().Options;

	function Options(options) {
	  BaseOptions.call(this, options, 'html');
	  if (this.templating.length === 1 && this.templating[0] === 'auto') {
	    this.templating = ['django', 'erb', 'handlebars', 'php'];
	  }

	  this.indent_inner_html = this._get_boolean('indent_inner_html');
	  this.indent_body_inner_html = this._get_boolean('indent_body_inner_html', true);
	  this.indent_head_inner_html = this._get_boolean('indent_head_inner_html', true);

	  this.indent_handlebars = this._get_boolean('indent_handlebars', true);
	  this.wrap_attributes = this._get_selection('wrap_attributes',
	    ['auto', 'force', 'force-aligned', 'force-expand-multiline', 'aligned-multiple', 'preserve', 'preserve-aligned']);
	  this.wrap_attributes_min_attrs = this._get_number('wrap_attributes_min_attrs', 2);
	  this.wrap_attributes_indent_size = this._get_number('wrap_attributes_indent_size', this.indent_size);
	  this.extra_liners = this._get_array('extra_liners', ['head', 'body', '/html']);

	  // Block vs inline elements
	  // https://developer.mozilla.org/en-US/docs/Web/HTML/Block-level_elements
	  // https://developer.mozilla.org/en-US/docs/Web/HTML/Inline_elements
	  // https://www.w3.org/TR/html5/dom.html#phrasing-content
	  this.inline = this._get_array('inline', [
	    'a', 'abbr', 'area', 'audio', 'b', 'bdi', 'bdo', 'br', 'button', 'canvas', 'cite',
	    'code', 'data', 'datalist', 'del', 'dfn', 'em', 'embed', 'i', 'iframe', 'img',
	    'input', 'ins', 'kbd', 'keygen', 'label', 'map', 'mark', 'math', 'meter', 'noscript',
	    'object', 'output', 'progress', 'q', 'ruby', 's', 'samp', /* 'script', */ 'select', 'small',
	    'span', 'strong', 'sub', 'sup', 'svg', 'template', 'textarea', 'time', 'u', 'var',
	    'video', 'wbr', 'text',
	    // obsolete inline tags
	    'acronym', 'big', 'strike', 'tt'
	  ]);
	  this.inline_custom_elements = this._get_boolean('inline_custom_elements', true);
	  this.void_elements = this._get_array('void_elements', [
	    // HTLM void elements - aka self-closing tags - aka singletons
	    // https://www.w3.org/html/wg/drafts/html/master/syntax.html#void-elements
	    'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'keygen',
	    'link', 'menuitem', 'meta', 'param', 'source', 'track', 'wbr',
	    // NOTE: Optional tags are too complex for a simple list
	    // they are hard coded in _do_optional_end_element

	    // Doctype and xml elements
	    '!doctype', '?xml',

	    // obsolete tags
	    // basefont: https://www.computerhope.com/jargon/h/html-basefont-tag.htm
	    // isndex: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/isindex
	    'basefont', 'isindex'
	  ]);
	  this.unformatted = this._get_array('unformatted', []);
	  this.content_unformatted = this._get_array('content_unformatted', [
	    'pre', 'textarea'
	  ]);
	  this.unformatted_content_delimiter = this._get_characters('unformatted_content_delimiter');
	  this.indent_scripts = this._get_selection('indent_scripts', ['normal', 'keep', 'separate']);

	}
	Options.prototype = new BaseOptions();



	options.Options = Options;
	return options;
}

var tokenizer = {};

/*jshint node:true */

var hasRequiredTokenizer;

function requireTokenizer () {
	if (hasRequiredTokenizer) return tokenizer;
	hasRequiredTokenizer = 1;

	var BaseTokenizer = requireTokenizer$2().Tokenizer;
	var BASETOKEN = requireTokenizer$2().TOKEN;
	var Directives = requireDirectives().Directives;
	var TemplatablePattern = requireTemplatablepattern().TemplatablePattern;
	var Pattern = requirePattern().Pattern;

	var TOKEN = {
	  TAG_OPEN: 'TK_TAG_OPEN',
	  TAG_CLOSE: 'TK_TAG_CLOSE',
	  CONTROL_FLOW_OPEN: 'TK_CONTROL_FLOW_OPEN',
	  CONTROL_FLOW_CLOSE: 'TK_CONTROL_FLOW_CLOSE',
	  ATTRIBUTE: 'TK_ATTRIBUTE',
	  EQUALS: 'TK_EQUALS',
	  VALUE: 'TK_VALUE',
	  COMMENT: 'TK_COMMENT',
	  TEXT: 'TK_TEXT',
	  UNKNOWN: 'TK_UNKNOWN',
	  START: BASETOKEN.START,
	  RAW: BASETOKEN.RAW,
	  EOF: BASETOKEN.EOF
	};

	var directives_core = new Directives(/<\!--/, /-->/);

	var Tokenizer = function(input_string, options) {
	  BaseTokenizer.call(this, input_string, options);
	  this._current_tag_name = '';

	  // Words end at whitespace or when a tag starts
	  // if we are indenting handlebars, they are considered tags
	  var templatable_reader = new TemplatablePattern(this._input).read_options(this._options);
	  var pattern_reader = new Pattern(this._input);

	  this.__patterns = {
	    word: templatable_reader.until(/[\n\r\t <]/),
	    word_control_flow_close_excluded: templatable_reader.until(/[\n\r\t <}]/),
	    single_quote: templatable_reader.until_after(/'/),
	    double_quote: templatable_reader.until_after(/"/),
	    attribute: templatable_reader.until(/[\n\r\t =>]|\/>/),
	    element_name: templatable_reader.until(/[\n\r\t >\/]/),

	    angular_control_flow_start: pattern_reader.matching(/\@[a-zA-Z]+[^({]*[({]/),
	    handlebars_comment: pattern_reader.starting_with(/{{!--/).until_after(/--}}/),
	    handlebars: pattern_reader.starting_with(/{{/).until_after(/}}/),
	    handlebars_open: pattern_reader.until(/[\n\r\t }]/),
	    handlebars_raw_close: pattern_reader.until(/}}/),
	    comment: pattern_reader.starting_with(/<!--/).until_after(/-->/),
	    cdata: pattern_reader.starting_with(/<!\[CDATA\[/).until_after(/]]>/),
	    // https://en.wikipedia.org/wiki/Conditional_comment
	    conditional_comment: pattern_reader.starting_with(/<!\[/).until_after(/]>/),
	    processing: pattern_reader.starting_with(/<\?/).until_after(/\?>/)
	  };

	  if (this._options.indent_handlebars) {
	    this.__patterns.word = this.__patterns.word.exclude('handlebars');
	    this.__patterns.word_control_flow_close_excluded = this.__patterns.word_control_flow_close_excluded.exclude('handlebars');
	  }

	  this._unformatted_content_delimiter = null;

	  if (this._options.unformatted_content_delimiter) {
	    var literal_regexp = this._input.get_literal_regexp(this._options.unformatted_content_delimiter);
	    this.__patterns.unformatted_content_delimiter =
	      pattern_reader.matching(literal_regexp)
	      .until_after(literal_regexp);
	  }
	};
	Tokenizer.prototype = new BaseTokenizer();

	Tokenizer.prototype._is_comment = function(current_token) { // jshint unused:false
	  return false; //current_token.type === TOKEN.COMMENT || current_token.type === TOKEN.UNKNOWN;
	};

	Tokenizer.prototype._is_opening = function(current_token) {
	  return current_token.type === TOKEN.TAG_OPEN || current_token.type === TOKEN.CONTROL_FLOW_OPEN;
	};

	Tokenizer.prototype._is_closing = function(current_token, open_token) {
	  return (current_token.type === TOKEN.TAG_CLOSE &&
	    (open_token && (
	      ((current_token.text === '>' || current_token.text === '/>') && open_token.text[0] === '<') ||
	      (current_token.text === '}}' && open_token.text[0] === '{' && open_token.text[1] === '{')))
	  ) || (current_token.type === TOKEN.CONTROL_FLOW_CLOSE &&
	    (current_token.text === '}' && open_token.text.endsWith('{')));
	};

	Tokenizer.prototype._reset = function() {
	  this._current_tag_name = '';
	};

	Tokenizer.prototype._get_next_token = function(previous_token, open_token) { // jshint unused:false
	  var token = null;
	  this._readWhitespace();
	  var c = this._input.peek();

	  if (c === null) {
	    return this._create_token(TOKEN.EOF, '');
	  }

	  token = token || this._read_open_handlebars(c, open_token);
	  token = token || this._read_attribute(c, previous_token, open_token);
	  token = token || this._read_close(c, open_token);
	  token = token || this._read_control_flows(c, open_token);
	  token = token || this._read_raw_content(c, previous_token, open_token);
	  token = token || this._read_content_word(c, open_token);
	  token = token || this._read_comment_or_cdata(c);
	  token = token || this._read_processing(c);
	  token = token || this._read_open(c, open_token);
	  token = token || this._create_token(TOKEN.UNKNOWN, this._input.next());

	  return token;
	};

	Tokenizer.prototype._read_comment_or_cdata = function(c) { // jshint unused:false
	  var token = null;
	  var resulting_string = null;
	  var directives = null;

	  if (c === '<') {
	    var peek1 = this._input.peek(1);
	    // We treat all comments as literals, even more than preformatted tags
	    // we only look for the appropriate closing marker
	    if (peek1 === '!') {
	      resulting_string = this.__patterns.comment.read();

	      // only process directive on html comments
	      if (resulting_string) {
	        directives = directives_core.get_directives(resulting_string);
	        if (directives && directives.ignore === 'start') {
	          resulting_string += directives_core.readIgnored(this._input);
	        }
	      } else {
	        resulting_string = this.__patterns.cdata.read();
	      }
	    }

	    if (resulting_string) {
	      token = this._create_token(TOKEN.COMMENT, resulting_string);
	      token.directives = directives;
	    }
	  }

	  return token;
	};

	Tokenizer.prototype._read_processing = function(c) { // jshint unused:false
	  var token = null;
	  var resulting_string = null;
	  var directives = null;

	  if (c === '<') {
	    var peek1 = this._input.peek(1);
	    if (peek1 === '!' || peek1 === '?') {
	      resulting_string = this.__patterns.conditional_comment.read();
	      resulting_string = resulting_string || this.__patterns.processing.read();
	    }

	    if (resulting_string) {
	      token = this._create_token(TOKEN.COMMENT, resulting_string);
	      token.directives = directives;
	    }
	  }

	  return token;
	};

	Tokenizer.prototype._read_open = function(c, open_token) {
	  var resulting_string = null;
	  var token = null;
	  if (!open_token || open_token.type === TOKEN.CONTROL_FLOW_OPEN) {
	    if (c === '<') {

	      resulting_string = this._input.next();
	      if (this._input.peek() === '/') {
	        resulting_string += this._input.next();
	      }
	      resulting_string += this.__patterns.element_name.read();
	      token = this._create_token(TOKEN.TAG_OPEN, resulting_string);
	    }
	  }
	  return token;
	};

	Tokenizer.prototype._read_open_handlebars = function(c, open_token) {
	  var resulting_string = null;
	  var token = null;
	  if (!open_token || open_token.type === TOKEN.CONTROL_FLOW_OPEN) {
	    if (this._options.indent_handlebars && c === '{' && this._input.peek(1) === '{') {
	      if (this._input.peek(2) === '!') {
	        resulting_string = this.__patterns.handlebars_comment.read();
	        resulting_string = resulting_string || this.__patterns.handlebars.read();
	        token = this._create_token(TOKEN.COMMENT, resulting_string);
	      } else {
	        resulting_string = this.__patterns.handlebars_open.read();
	        token = this._create_token(TOKEN.TAG_OPEN, resulting_string);
	      }
	    }
	  }
	  return token;
	};

	Tokenizer.prototype._read_control_flows = function(c, open_token) {
	  var resulting_string = '';
	  var token = null;
	  // Only check for control flows if angular templating is set AND indenting is set
	  if (!this._options.templating.includes('angular') || !this._options.indent_handlebars) {
	    return token;
	  }

	  if (c === '@') {
	    resulting_string = this.__patterns.angular_control_flow_start.read();
	    if (resulting_string === '') {
	      return token;
	    }

	    var opening_parentheses_count = resulting_string.endsWith('(') ? 1 : 0;
	    var closing_parentheses_count = 0;
	    // The opening brace of the control flow is where the number of opening and closing parentheses equal
	    // e.g. @if({value: true} !== null) { 
	    while (!(resulting_string.endsWith('{') && opening_parentheses_count === closing_parentheses_count)) {
	      var next_char = this._input.next();
	      if (next_char === null) {
	        break;
	      } else if (next_char === '(') {
	        opening_parentheses_count++;
	      } else if (next_char === ')') {
	        closing_parentheses_count++;
	      }
	      resulting_string += next_char;
	    }
	    token = this._create_token(TOKEN.CONTROL_FLOW_OPEN, resulting_string);
	  } else if (c === '}' && open_token && open_token.type === TOKEN.CONTROL_FLOW_OPEN) {
	    resulting_string = this._input.next();
	    token = this._create_token(TOKEN.CONTROL_FLOW_CLOSE, resulting_string);
	  }
	  return token;
	};


	Tokenizer.prototype._read_close = function(c, open_token) {
	  var resulting_string = null;
	  var token = null;
	  if (open_token && open_token.type === TOKEN.TAG_OPEN) {
	    if (open_token.text[0] === '<' && (c === '>' || (c === '/' && this._input.peek(1) === '>'))) {
	      resulting_string = this._input.next();
	      if (c === '/') { //  for close tag "/>"
	        resulting_string += this._input.next();
	      }
	      token = this._create_token(TOKEN.TAG_CLOSE, resulting_string);
	    } else if (open_token.text[0] === '{' && c === '}' && this._input.peek(1) === '}') {
	      this._input.next();
	      this._input.next();
	      token = this._create_token(TOKEN.TAG_CLOSE, '}}');
	    }
	  }

	  return token;
	};

	Tokenizer.prototype._read_attribute = function(c, previous_token, open_token) {
	  var token = null;
	  var resulting_string = '';
	  if (open_token && open_token.text[0] === '<') {

	    if (c === '=') {
	      token = this._create_token(TOKEN.EQUALS, this._input.next());
	    } else if (c === '"' || c === "'") {
	      var content = this._input.next();
	      if (c === '"') {
	        content += this.__patterns.double_quote.read();
	      } else {
	        content += this.__patterns.single_quote.read();
	      }
	      token = this._create_token(TOKEN.VALUE, content);
	    } else {
	      resulting_string = this.__patterns.attribute.read();

	      if (resulting_string) {
	        if (previous_token.type === TOKEN.EQUALS) {
	          token = this._create_token(TOKEN.VALUE, resulting_string);
	        } else {
	          token = this._create_token(TOKEN.ATTRIBUTE, resulting_string);
	        }
	      }
	    }
	  }
	  return token;
	};

	Tokenizer.prototype._is_content_unformatted = function(tag_name) {
	  // void_elements have no content and so cannot have unformatted content
	  // script and style tags should always be read as unformatted content
	  // finally content_unformatted and unformatted element contents are unformatted
	  return this._options.void_elements.indexOf(tag_name) === -1 &&
	    (this._options.content_unformatted.indexOf(tag_name) !== -1 ||
	      this._options.unformatted.indexOf(tag_name) !== -1);
	};


	Tokenizer.prototype._read_raw_content = function(c, previous_token, open_token) { // jshint unused:false
	  var resulting_string = '';
	  if (open_token && open_token.text[0] === '{') {
	    resulting_string = this.__patterns.handlebars_raw_close.read();
	  } else if (previous_token.type === TOKEN.TAG_CLOSE &&
	    previous_token.opened.text[0] === '<' && previous_token.text[0] !== '/') {
	    // ^^ empty tag has no content 
	    var tag_name = previous_token.opened.text.substr(1).toLowerCase();
	    if (tag_name === 'script' || tag_name === 'style') {
	      // Script and style tags are allowed to have comments wrapping their content
	      // or just have regular content.
	      var token = this._read_comment_or_cdata(c);
	      if (token) {
	        token.type = TOKEN.TEXT;
	        return token;
	      }
	      resulting_string = this._input.readUntil(new RegExp('</' + tag_name + '[\\n\\r\\t ]*?>', 'ig'));
	    } else if (this._is_content_unformatted(tag_name)) {

	      resulting_string = this._input.readUntil(new RegExp('</' + tag_name + '[\\n\\r\\t ]*?>', 'ig'));
	    }
	  }

	  if (resulting_string) {
	    return this._create_token(TOKEN.TEXT, resulting_string);
	  }

	  return null;
	};

	Tokenizer.prototype._read_content_word = function(c, open_token) {
	  var resulting_string = '';
	  if (this._options.unformatted_content_delimiter) {
	    if (c === this._options.unformatted_content_delimiter[0]) {
	      resulting_string = this.__patterns.unformatted_content_delimiter.read();
	    }
	  }

	  if (!resulting_string) {
	    resulting_string = (open_token && open_token.type === TOKEN.CONTROL_FLOW_OPEN) ? this.__patterns.word_control_flow_close_excluded.read() : this.__patterns.word.read();
	  }
	  if (resulting_string) {
	    return this._create_token(TOKEN.TEXT, resulting_string);
	  }
	};

	tokenizer.Tokenizer = Tokenizer;
	tokenizer.TOKEN = TOKEN;
	return tokenizer;
}

/*jshint node:true */

var hasRequiredBeautifier;

function requireBeautifier () {
	if (hasRequiredBeautifier) return beautifier;
	hasRequiredBeautifier = 1;

	var Options = requireOptions().Options;
	var Output = requireOutput().Output;
	var Tokenizer = requireTokenizer().Tokenizer;
	var TOKEN = requireTokenizer().TOKEN;

	var lineBreak = /\r\n|[\r\n]/;
	var allLineBreaks = /\r\n|[\r\n]/g;

	var Printer = function(options, base_indent_string) { //handles input/output and some other printing functions

	  this.indent_level = 0;
	  this.alignment_size = 0;
	  this.max_preserve_newlines = options.max_preserve_newlines;
	  this.preserve_newlines = options.preserve_newlines;

	  this._output = new Output(options, base_indent_string);

	};

	Printer.prototype.current_line_has_match = function(pattern) {
	  return this._output.current_line.has_match(pattern);
	};

	Printer.prototype.set_space_before_token = function(value, non_breaking) {
	  this._output.space_before_token = value;
	  this._output.non_breaking_space = non_breaking;
	};

	Printer.prototype.set_wrap_point = function() {
	  this._output.set_indent(this.indent_level, this.alignment_size);
	  this._output.set_wrap_point();
	};


	Printer.prototype.add_raw_token = function(token) {
	  this._output.add_raw_token(token);
	};

	Printer.prototype.print_preserved_newlines = function(raw_token) {
	  var newlines = 0;
	  if (raw_token.type !== TOKEN.TEXT && raw_token.previous.type !== TOKEN.TEXT) {
	    newlines = raw_token.newlines ? 1 : 0;
	  }

	  if (this.preserve_newlines) {
	    newlines = raw_token.newlines < this.max_preserve_newlines + 1 ? raw_token.newlines : this.max_preserve_newlines + 1;
	  }
	  for (var n = 0; n < newlines; n++) {
	    this.print_newline(n > 0);
	  }

	  return newlines !== 0;
	};

	Printer.prototype.traverse_whitespace = function(raw_token) {
	  if (raw_token.whitespace_before || raw_token.newlines) {
	    if (!this.print_preserved_newlines(raw_token)) {
	      this._output.space_before_token = true;
	    }
	    return true;
	  }
	  return false;
	};

	Printer.prototype.previous_token_wrapped = function() {
	  return this._output.previous_token_wrapped;
	};

	Printer.prototype.print_newline = function(force) {
	  this._output.add_new_line(force);
	};

	Printer.prototype.print_token = function(token) {
	  if (token.text) {
	    this._output.set_indent(this.indent_level, this.alignment_size);
	    this._output.add_token(token.text);
	  }
	};

	Printer.prototype.indent = function() {
	  this.indent_level++;
	};

	Printer.prototype.deindent = function() {
	  if (this.indent_level > 0) {
	    this.indent_level--;
	    this._output.set_indent(this.indent_level, this.alignment_size);
	  }
	};

	Printer.prototype.get_full_indent = function(level) {
	  level = this.indent_level + (level || 0);
	  if (level < 1) {
	    return '';
	  }

	  return this._output.get_indent_string(level);
	};

	var get_type_attribute = function(start_token) {
	  var result = null;
	  var raw_token = start_token.next;

	  // Search attributes for a type attribute
	  while (raw_token.type !== TOKEN.EOF && start_token.closed !== raw_token) {
	    if (raw_token.type === TOKEN.ATTRIBUTE && raw_token.text === 'type') {
	      if (raw_token.next && raw_token.next.type === TOKEN.EQUALS &&
	        raw_token.next.next && raw_token.next.next.type === TOKEN.VALUE) {
	        result = raw_token.next.next.text;
	      }
	      break;
	    }
	    raw_token = raw_token.next;
	  }

	  return result;
	};

	var get_custom_beautifier_name = function(tag_check, raw_token) {
	  var typeAttribute = null;
	  var result = null;

	  if (!raw_token.closed) {
	    return null;
	  }

	  if (tag_check === 'script') {
	    typeAttribute = 'text/javascript';
	  } else if (tag_check === 'style') {
	    typeAttribute = 'text/css';
	  }

	  typeAttribute = get_type_attribute(raw_token) || typeAttribute;

	  // For script and style tags that have a type attribute, only enable custom beautifiers for matching values
	  // For those without a type attribute use default;
	  if (typeAttribute.search('text/css') > -1) {
	    result = 'css';
	  } else if (typeAttribute.search(/module|((text|application|dojo)\/(x-)?(javascript|ecmascript|jscript|livescript|(ld\+)?json|method|aspect))/) > -1) {
	    result = 'javascript';
	  } else if (typeAttribute.search(/(text|application|dojo)\/(x-)?(html)/) > -1) {
	    result = 'html';
	  } else if (typeAttribute.search(/test\/null/) > -1) {
	    // Test only mime-type for testing the beautifier when null is passed as beautifing function
	    result = 'null';
	  }

	  return result;
	};

	function in_array(what, arr) {
	  return arr.indexOf(what) !== -1;
	}

	function TagFrame(parent, parser_token, indent_level) {
	  this.parent = parent || null;
	  this.tag = parser_token ? parser_token.tag_name : '';
	  this.indent_level = indent_level || 0;
	  this.parser_token = parser_token || null;
	}

	function TagStack(printer) {
	  this._printer = printer;
	  this._current_frame = null;
	}

	TagStack.prototype.get_parser_token = function() {
	  return this._current_frame ? this._current_frame.parser_token : null;
	};

	TagStack.prototype.record_tag = function(parser_token) { //function to record a tag and its parent in this.tags Object
	  var new_frame = new TagFrame(this._current_frame, parser_token, this._printer.indent_level);
	  this._current_frame = new_frame;
	};

	TagStack.prototype._try_pop_frame = function(frame) { //function to retrieve the opening tag to the corresponding closer
	  var parser_token = null;

	  if (frame) {
	    parser_token = frame.parser_token;
	    this._printer.indent_level = frame.indent_level;
	    this._current_frame = frame.parent;
	  }

	  return parser_token;
	};

	TagStack.prototype._get_frame = function(tag_list, stop_list) { //function to retrieve the opening tag to the corresponding closer
	  var frame = this._current_frame;

	  while (frame) { //till we reach '' (the initial value);
	    if (tag_list.indexOf(frame.tag) !== -1) { //if this is it use it
	      break;
	    } else if (stop_list && stop_list.indexOf(frame.tag) !== -1) {
	      frame = null;
	      break;
	    }
	    frame = frame.parent;
	  }

	  return frame;
	};

	TagStack.prototype.try_pop = function(tag, stop_list) { //function to retrieve the opening tag to the corresponding closer
	  var frame = this._get_frame([tag], stop_list);
	  return this._try_pop_frame(frame);
	};

	TagStack.prototype.indent_to_tag = function(tag_list) {
	  var frame = this._get_frame(tag_list);
	  if (frame) {
	    this._printer.indent_level = frame.indent_level;
	  }
	};

	function Beautifier(source_text, options, js_beautify, css_beautify) {
	  //Wrapper function to invoke all the necessary constructors and deal with the output.
	  this._source_text = source_text || '';
	  options = options || {};
	  this._js_beautify = js_beautify;
	  this._css_beautify = css_beautify;
	  this._tag_stack = null;

	  // Allow the setting of language/file-type specific options
	  // with inheritance of overall settings
	  var optionHtml = new Options(options, 'html');

	  this._options = optionHtml;

	  this._is_wrap_attributes_force = this._options.wrap_attributes.substr(0, 'force'.length) === 'force';
	  this._is_wrap_attributes_force_expand_multiline = (this._options.wrap_attributes === 'force-expand-multiline');
	  this._is_wrap_attributes_force_aligned = (this._options.wrap_attributes === 'force-aligned');
	  this._is_wrap_attributes_aligned_multiple = (this._options.wrap_attributes === 'aligned-multiple');
	  this._is_wrap_attributes_preserve = this._options.wrap_attributes.substr(0, 'preserve'.length) === 'preserve';
	  this._is_wrap_attributes_preserve_aligned = (this._options.wrap_attributes === 'preserve-aligned');
	}

	Beautifier.prototype.beautify = function() {

	  // if disabled, return the input unchanged.
	  if (this._options.disabled) {
	    return this._source_text;
	  }

	  var source_text = this._source_text;
	  var eol = this._options.eol;
	  if (this._options.eol === 'auto') {
	    eol = '\n';
	    if (source_text && lineBreak.test(source_text)) {
	      eol = source_text.match(lineBreak)[0];
	    }
	  }

	  // HACK: newline parsing inconsistent. This brute force normalizes the input.
	  source_text = source_text.replace(allLineBreaks, '\n');

	  var baseIndentString = source_text.match(/^[\t ]*/)[0];

	  var last_token = {
	    text: '',
	    type: ''
	  };

	  var last_tag_token = new TagOpenParserToken();

	  var printer = new Printer(this._options, baseIndentString);
	  var tokens = new Tokenizer(source_text, this._options).tokenize();

	  this._tag_stack = new TagStack(printer);

	  var parser_token = null;
	  var raw_token = tokens.next();
	  while (raw_token.type !== TOKEN.EOF) {

	    if (raw_token.type === TOKEN.TAG_OPEN || raw_token.type === TOKEN.COMMENT) {
	      parser_token = this._handle_tag_open(printer, raw_token, last_tag_token, last_token, tokens);
	      last_tag_token = parser_token;
	    } else if ((raw_token.type === TOKEN.ATTRIBUTE || raw_token.type === TOKEN.EQUALS || raw_token.type === TOKEN.VALUE) ||
	      (raw_token.type === TOKEN.TEXT && !last_tag_token.tag_complete)) {
	      parser_token = this._handle_inside_tag(printer, raw_token, last_tag_token, last_token);
	    } else if (raw_token.type === TOKEN.TAG_CLOSE) {
	      parser_token = this._handle_tag_close(printer, raw_token, last_tag_token);
	    } else if (raw_token.type === TOKEN.TEXT) {
	      parser_token = this._handle_text(printer, raw_token, last_tag_token);
	    } else if (raw_token.type === TOKEN.CONTROL_FLOW_OPEN) {
	      parser_token = this._handle_control_flow_open(printer, raw_token);
	    } else if (raw_token.type === TOKEN.CONTROL_FLOW_CLOSE) {
	      parser_token = this._handle_control_flow_close(printer, raw_token);
	    } else {
	      // This should never happen, but if it does. Print the raw token
	      printer.add_raw_token(raw_token);
	    }

	    last_token = parser_token;

	    raw_token = tokens.next();
	  }
	  var sweet_code = printer._output.get_code(eol);

	  return sweet_code;
	};

	Beautifier.prototype._handle_control_flow_open = function(printer, raw_token) {
	  var parser_token = {
	    text: raw_token.text,
	    type: raw_token.type
	  };
	  printer.set_space_before_token(raw_token.newlines || raw_token.whitespace_before !== '', true);
	  if (raw_token.newlines) {
	    printer.print_preserved_newlines(raw_token);
	  } else {
	    printer.set_space_before_token(raw_token.newlines || raw_token.whitespace_before !== '', true);
	  }
	  printer.print_token(raw_token);
	  printer.indent();
	  return parser_token;
	};

	Beautifier.prototype._handle_control_flow_close = function(printer, raw_token) {
	  var parser_token = {
	    text: raw_token.text,
	    type: raw_token.type
	  };

	  printer.deindent();
	  if (raw_token.newlines) {
	    printer.print_preserved_newlines(raw_token);
	  } else {
	    printer.set_space_before_token(raw_token.newlines || raw_token.whitespace_before !== '', true);
	  }
	  printer.print_token(raw_token);
	  return parser_token;
	};

	Beautifier.prototype._handle_tag_close = function(printer, raw_token, last_tag_token) {
	  var parser_token = {
	    text: raw_token.text,
	    type: raw_token.type
	  };
	  printer.alignment_size = 0;
	  last_tag_token.tag_complete = true;

	  printer.set_space_before_token(raw_token.newlines || raw_token.whitespace_before !== '', true);
	  if (last_tag_token.is_unformatted) {
	    printer.add_raw_token(raw_token);
	  } else {
	    if (last_tag_token.tag_start_char === '<') {
	      printer.set_space_before_token(raw_token.text[0] === '/', true); // space before />, no space before >
	      if (this._is_wrap_attributes_force_expand_multiline && last_tag_token.has_wrapped_attrs) {
	        printer.print_newline(false);
	      }
	    }
	    printer.print_token(raw_token);

	  }

	  if (last_tag_token.indent_content &&
	    !(last_tag_token.is_unformatted || last_tag_token.is_content_unformatted)) {
	    printer.indent();

	    // only indent once per opened tag
	    last_tag_token.indent_content = false;
	  }

	  if (!last_tag_token.is_inline_element &&
	    !(last_tag_token.is_unformatted || last_tag_token.is_content_unformatted)) {
	    printer.set_wrap_point();
	  }

	  return parser_token;
	};

	Beautifier.prototype._handle_inside_tag = function(printer, raw_token, last_tag_token, last_token) {
	  var wrapped = last_tag_token.has_wrapped_attrs;
	  var parser_token = {
	    text: raw_token.text,
	    type: raw_token.type
	  };

	  printer.set_space_before_token(raw_token.newlines || raw_token.whitespace_before !== '', true);
	  if (last_tag_token.is_unformatted) {
	    printer.add_raw_token(raw_token);
	  } else if (last_tag_token.tag_start_char === '{' && raw_token.type === TOKEN.TEXT) {
	    // For the insides of handlebars allow newlines or a single space between open and contents
	    if (printer.print_preserved_newlines(raw_token)) {
	      raw_token.newlines = 0;
	      printer.add_raw_token(raw_token);
	    } else {
	      printer.print_token(raw_token);
	    }
	  } else {
	    if (raw_token.type === TOKEN.ATTRIBUTE) {
	      printer.set_space_before_token(true);
	    } else if (raw_token.type === TOKEN.EQUALS) { //no space before =
	      printer.set_space_before_token(false);
	    } else if (raw_token.type === TOKEN.VALUE && raw_token.previous.type === TOKEN.EQUALS) { //no space before value
	      printer.set_space_before_token(false);
	    }

	    if (raw_token.type === TOKEN.ATTRIBUTE && last_tag_token.tag_start_char === '<') {
	      if (this._is_wrap_attributes_preserve || this._is_wrap_attributes_preserve_aligned) {
	        printer.traverse_whitespace(raw_token);
	        wrapped = wrapped || raw_token.newlines !== 0;
	      }

	      // Wrap for 'force' options, and if the number of attributes is at least that specified in 'wrap_attributes_min_attrs':
	      // 1. always wrap the second and beyond attributes
	      // 2. wrap the first attribute only if 'force-expand-multiline' is specified
	      if (this._is_wrap_attributes_force &&
	        last_tag_token.attr_count >= this._options.wrap_attributes_min_attrs &&
	        (last_token.type !== TOKEN.TAG_OPEN || // ie. second attribute and beyond
	          this._is_wrap_attributes_force_expand_multiline)) {
	        printer.print_newline(false);
	        wrapped = true;
	      }
	    }
	    printer.print_token(raw_token);
	    wrapped = wrapped || printer.previous_token_wrapped();
	    last_tag_token.has_wrapped_attrs = wrapped;
	  }
	  return parser_token;
	};

	Beautifier.prototype._handle_text = function(printer, raw_token, last_tag_token) {
	  var parser_token = {
	    text: raw_token.text,
	    type: 'TK_CONTENT'
	  };
	  if (last_tag_token.custom_beautifier_name) { //check if we need to format javascript
	    this._print_custom_beatifier_text(printer, raw_token, last_tag_token);
	  } else if (last_tag_token.is_unformatted || last_tag_token.is_content_unformatted) {
	    printer.add_raw_token(raw_token);
	  } else {
	    printer.traverse_whitespace(raw_token);
	    printer.print_token(raw_token);
	  }
	  return parser_token;
	};

	Beautifier.prototype._print_custom_beatifier_text = function(printer, raw_token, last_tag_token) {
	  var local = this;
	  if (raw_token.text !== '') {

	    var text = raw_token.text,
	      _beautifier,
	      script_indent_level = 1,
	      pre = '',
	      post = '';
	    if (last_tag_token.custom_beautifier_name === 'javascript' && typeof this._js_beautify === 'function') {
	      _beautifier = this._js_beautify;
	    } else if (last_tag_token.custom_beautifier_name === 'css' && typeof this._css_beautify === 'function') {
	      _beautifier = this._css_beautify;
	    } else if (last_tag_token.custom_beautifier_name === 'html') {
	      _beautifier = function(html_source, options) {
	        var beautifier = new Beautifier(html_source, options, local._js_beautify, local._css_beautify);
	        return beautifier.beautify();
	      };
	    }

	    if (this._options.indent_scripts === "keep") {
	      script_indent_level = 0;
	    } else if (this._options.indent_scripts === "separate") {
	      script_indent_level = -printer.indent_level;
	    }

	    var indentation = printer.get_full_indent(script_indent_level);

	    // if there is at least one empty line at the end of this text, strip it
	    // we'll be adding one back after the text but before the containing tag.
	    text = text.replace(/\n[ \t]*$/, '');

	    // Handle the case where content is wrapped in a comment or cdata.
	    if (last_tag_token.custom_beautifier_name !== 'html' &&
	      text[0] === '<' && text.match(/^(<!--|<!\[CDATA\[)/)) {
	      var matched = /^(<!--[^\n]*|<!\[CDATA\[)(\n?)([ \t\n]*)([\s\S]*)(-->|]]>)$/.exec(text);

	      // if we start to wrap but don't finish, print raw
	      if (!matched) {
	        printer.add_raw_token(raw_token);
	        return;
	      }

	      pre = indentation + matched[1] + '\n';
	      text = matched[4];
	      if (matched[5]) {
	        post = indentation + matched[5];
	      }

	      // if there is at least one empty line at the end of this text, strip it
	      // we'll be adding one back after the text but before the containing tag.
	      text = text.replace(/\n[ \t]*$/, '');

	      if (matched[2] || matched[3].indexOf('\n') !== -1) {
	        // if the first line of the non-comment text has spaces
	        // use that as the basis for indenting in null case.
	        matched = matched[3].match(/[ \t]+$/);
	        if (matched) {
	          raw_token.whitespace_before = matched[0];
	        }
	      }
	    }

	    if (text) {
	      if (_beautifier) {

	        // call the Beautifier if avaliable
	        var Child_options = function() {
	          this.eol = '\n';
	        };
	        Child_options.prototype = this._options.raw_options;
	        var child_options = new Child_options();
	        text = _beautifier(indentation + text, child_options);
	      } else {
	        // simply indent the string otherwise
	        var white = raw_token.whitespace_before;
	        if (white) {
	          text = text.replace(new RegExp('\n(' + white + ')?', 'g'), '\n');
	        }

	        text = indentation + text.replace(/\n/g, '\n' + indentation);
	      }
	    }

	    if (pre) {
	      if (!text) {
	        text = pre + post;
	      } else {
	        text = pre + text + '\n' + post;
	      }
	    }

	    printer.print_newline(false);
	    if (text) {
	      raw_token.text = text;
	      raw_token.whitespace_before = '';
	      raw_token.newlines = 0;
	      printer.add_raw_token(raw_token);
	      printer.print_newline(true);
	    }
	  }
	};

	Beautifier.prototype._handle_tag_open = function(printer, raw_token, last_tag_token, last_token, tokens) {
	  var parser_token = this._get_tag_open_token(raw_token);

	  if ((last_tag_token.is_unformatted || last_tag_token.is_content_unformatted) &&
	    !last_tag_token.is_empty_element &&
	    raw_token.type === TOKEN.TAG_OPEN && !parser_token.is_start_tag) {
	    // End element tags for unformatted or content_unformatted elements
	    // are printed raw to keep any newlines inside them exactly the same.
	    printer.add_raw_token(raw_token);
	    parser_token.start_tag_token = this._tag_stack.try_pop(parser_token.tag_name);
	  } else {
	    printer.traverse_whitespace(raw_token);
	    this._set_tag_position(printer, raw_token, parser_token, last_tag_token, last_token);
	    if (!parser_token.is_inline_element) {
	      printer.set_wrap_point();
	    }
	    printer.print_token(raw_token);
	  }

	  // count the number of attributes
	  if (parser_token.is_start_tag && this._is_wrap_attributes_force) {
	    var peek_index = 0;
	    var peek_token;
	    do {
	      peek_token = tokens.peek(peek_index);
	      if (peek_token.type === TOKEN.ATTRIBUTE) {
	        parser_token.attr_count += 1;
	      }
	      peek_index += 1;
	    } while (peek_token.type !== TOKEN.EOF && peek_token.type !== TOKEN.TAG_CLOSE);
	  }

	  //indent attributes an auto, forced, aligned or forced-align line-wrap
	  if (this._is_wrap_attributes_force_aligned || this._is_wrap_attributes_aligned_multiple || this._is_wrap_attributes_preserve_aligned) {
	    parser_token.alignment_size = raw_token.text.length + 1;
	  }

	  if (!parser_token.tag_complete && !parser_token.is_unformatted) {
	    printer.alignment_size = parser_token.alignment_size;
	  }

	  return parser_token;
	};

	var TagOpenParserToken = function(parent, raw_token) {
	  this.parent = parent || null;
	  this.text = '';
	  this.type = 'TK_TAG_OPEN';
	  this.tag_name = '';
	  this.is_inline_element = false;
	  this.is_unformatted = false;
	  this.is_content_unformatted = false;
	  this.is_empty_element = false;
	  this.is_start_tag = false;
	  this.is_end_tag = false;
	  this.indent_content = false;
	  this.multiline_content = false;
	  this.custom_beautifier_name = null;
	  this.start_tag_token = null;
	  this.attr_count = 0;
	  this.has_wrapped_attrs = false;
	  this.alignment_size = 0;
	  this.tag_complete = false;
	  this.tag_start_char = '';
	  this.tag_check = '';

	  if (!raw_token) {
	    this.tag_complete = true;
	  } else {
	    var tag_check_match;

	    this.tag_start_char = raw_token.text[0];
	    this.text = raw_token.text;

	    if (this.tag_start_char === '<') {
	      tag_check_match = raw_token.text.match(/^<([^\s>]*)/);
	      this.tag_check = tag_check_match ? tag_check_match[1] : '';
	    } else {
	      tag_check_match = raw_token.text.match(/^{{~?(?:[\^]|#\*?)?([^\s}]+)/);
	      this.tag_check = tag_check_match ? tag_check_match[1] : '';

	      // handle "{{#> myPartial}}" or "{{~#> myPartial}}"
	      if ((raw_token.text.startsWith('{{#>') || raw_token.text.startsWith('{{~#>')) && this.tag_check[0] === '>') {
	        if (this.tag_check === '>' && raw_token.next !== null) {
	          this.tag_check = raw_token.next.text.split(' ')[0];
	        } else {
	          this.tag_check = raw_token.text.split('>')[1];
	        }
	      }
	    }

	    this.tag_check = this.tag_check.toLowerCase();

	    if (raw_token.type === TOKEN.COMMENT) {
	      this.tag_complete = true;
	    }

	    this.is_start_tag = this.tag_check.charAt(0) !== '/';
	    this.tag_name = !this.is_start_tag ? this.tag_check.substr(1) : this.tag_check;
	    this.is_end_tag = !this.is_start_tag ||
	      (raw_token.closed && raw_token.closed.text === '/>');

	    // if whitespace handler ~ included (i.e. {{~#if true}}), handlebars tags start at pos 3 not pos 2
	    var handlebar_starts = 2;
	    if (this.tag_start_char === '{' && this.text.length >= 3) {
	      if (this.text.charAt(2) === '~') {
	        handlebar_starts = 3;
	      }
	    }

	    // handlebars tags that don't start with # or ^ are single_tags, and so also start and end.
	    this.is_end_tag = this.is_end_tag ||
	      (this.tag_start_char === '{' && (this.text.length < 3 || (/[^#\^]/.test(this.text.charAt(handlebar_starts)))));
	  }
	};

	Beautifier.prototype._get_tag_open_token = function(raw_token) { //function to get a full tag and parse its type
	  var parser_token = new TagOpenParserToken(this._tag_stack.get_parser_token(), raw_token);

	  parser_token.alignment_size = this._options.wrap_attributes_indent_size;

	  parser_token.is_end_tag = parser_token.is_end_tag ||
	    in_array(parser_token.tag_check, this._options.void_elements);

	  parser_token.is_empty_element = parser_token.tag_complete ||
	    (parser_token.is_start_tag && parser_token.is_end_tag);

	  parser_token.is_unformatted = !parser_token.tag_complete && in_array(parser_token.tag_check, this._options.unformatted);
	  parser_token.is_content_unformatted = !parser_token.is_empty_element && in_array(parser_token.tag_check, this._options.content_unformatted);
	  parser_token.is_inline_element = in_array(parser_token.tag_name, this._options.inline) || (this._options.inline_custom_elements && parser_token.tag_name.includes("-")) || parser_token.tag_start_char === '{';

	  return parser_token;
	};

	Beautifier.prototype._set_tag_position = function(printer, raw_token, parser_token, last_tag_token, last_token) {

	  if (!parser_token.is_empty_element) {
	    if (parser_token.is_end_tag) { //this tag is a double tag so check for tag-ending
	      parser_token.start_tag_token = this._tag_stack.try_pop(parser_token.tag_name); //remove it and all ancestors
	    } else { // it's a start-tag
	      // check if this tag is starting an element that has optional end element
	      // and do an ending needed
	      if (this._do_optional_end_element(parser_token)) {
	        if (!parser_token.is_inline_element) {
	          printer.print_newline(false);
	        }
	      }

	      this._tag_stack.record_tag(parser_token); //push it on the tag stack

	      if ((parser_token.tag_name === 'script' || parser_token.tag_name === 'style') &&
	        !(parser_token.is_unformatted || parser_token.is_content_unformatted)) {
	        parser_token.custom_beautifier_name = get_custom_beautifier_name(parser_token.tag_check, raw_token);
	      }
	    }
	  }

	  if (in_array(parser_token.tag_check, this._options.extra_liners)) { //check if this double needs an extra line
	    printer.print_newline(false);
	    if (!printer._output.just_added_blankline()) {
	      printer.print_newline(true);
	    }
	  }

	  if (parser_token.is_empty_element) { //if this tag name is a single tag type (either in the list or has a closing /)

	    // if you hit an else case, reset the indent level if you are inside an:
	    // 'if', 'unless', or 'each' block.
	    if (parser_token.tag_start_char === '{' && parser_token.tag_check === 'else') {
	      this._tag_stack.indent_to_tag(['if', 'unless', 'each']);
	      parser_token.indent_content = true;
	      // Don't add a newline if opening {{#if}} tag is on the current line
	      var foundIfOnCurrentLine = printer.current_line_has_match(/{{#if/);
	      if (!foundIfOnCurrentLine) {
	        printer.print_newline(false);
	      }
	    }

	    // Don't add a newline before elements that should remain where they are.
	    if (parser_token.tag_name === '!--' && last_token.type === TOKEN.TAG_CLOSE &&
	      last_tag_token.is_end_tag && parser_token.text.indexOf('\n') === -1) ; else {
	      if (!(parser_token.is_inline_element || parser_token.is_unformatted)) {
	        printer.print_newline(false);
	      }
	      this._calcluate_parent_multiline(printer, parser_token);
	    }
	  } else if (parser_token.is_end_tag) { //this tag is a double tag so check for tag-ending
	    var do_end_expand = false;

	    // deciding whether a block is multiline should not be this hard
	    do_end_expand = parser_token.start_tag_token && parser_token.start_tag_token.multiline_content;
	    do_end_expand = do_end_expand || (!parser_token.is_inline_element &&
	      !(last_tag_token.is_inline_element || last_tag_token.is_unformatted) &&
	      !(last_token.type === TOKEN.TAG_CLOSE && parser_token.start_tag_token === last_tag_token) &&
	      last_token.type !== 'TK_CONTENT'
	    );

	    if (parser_token.is_content_unformatted || parser_token.is_unformatted) {
	      do_end_expand = false;
	    }

	    if (do_end_expand) {
	      printer.print_newline(false);
	    }
	  } else { // it's a start-tag
	    parser_token.indent_content = !parser_token.custom_beautifier_name;

	    if (parser_token.tag_start_char === '<') {
	      if (parser_token.tag_name === 'html') {
	        parser_token.indent_content = this._options.indent_inner_html;
	      } else if (parser_token.tag_name === 'head') {
	        parser_token.indent_content = this._options.indent_head_inner_html;
	      } else if (parser_token.tag_name === 'body') {
	        parser_token.indent_content = this._options.indent_body_inner_html;
	      }
	    }

	    if (!(parser_token.is_inline_element || parser_token.is_unformatted) &&
	      (last_token.type !== 'TK_CONTENT' || parser_token.is_content_unformatted)) {
	      printer.print_newline(false);
	    }

	    this._calcluate_parent_multiline(printer, parser_token);
	  }
	};

	Beautifier.prototype._calcluate_parent_multiline = function(printer, parser_token) {
	  if (parser_token.parent && printer._output.just_added_newline() &&
	    !((parser_token.is_inline_element || parser_token.is_unformatted) && parser_token.parent.is_inline_element)) {
	    parser_token.parent.multiline_content = true;
	  }
	};

	//To be used for <p> tag special case:
	var p_closers = ['address', 'article', 'aside', 'blockquote', 'details', 'div', 'dl', 'fieldset', 'figcaption', 'figure', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hr', 'main', 'menu', 'nav', 'ol', 'p', 'pre', 'section', 'table', 'ul'];
	var p_parent_excludes = ['a', 'audio', 'del', 'ins', 'map', 'noscript', 'video'];

	Beautifier.prototype._do_optional_end_element = function(parser_token) {
	  var result = null;
	  // NOTE: cases of "if there is no more content in the parent element"
	  // are handled automatically by the beautifier.
	  // It assumes parent or ancestor close tag closes all children.
	  // https://www.w3.org/TR/html5/syntax.html#optional-tags
	  if (parser_token.is_empty_element || !parser_token.is_start_tag || !parser_token.parent) {
	    return;

	  }

	  if (parser_token.tag_name === 'body') {
	    // A head element’s end tag may be omitted if the head element is not immediately followed by a space character or a comment.
	    result = result || this._tag_stack.try_pop('head');

	    //} else if (parser_token.tag_name === 'body') {
	    // DONE: A body element’s end tag may be omitted if the body element is not immediately followed by a comment.

	  } else if (parser_token.tag_name === 'li') {
	    // An li element’s end tag may be omitted if the li element is immediately followed by another li element or if there is no more content in the parent element.
	    result = result || this._tag_stack.try_pop('li', ['ol', 'ul', 'menu']);

	  } else if (parser_token.tag_name === 'dd' || parser_token.tag_name === 'dt') {
	    // A dd element’s end tag may be omitted if the dd element is immediately followed by another dd element or a dt element, or if there is no more content in the parent element.
	    // A dt element’s end tag may be omitted if the dt element is immediately followed by another dt element or a dd element.
	    result = result || this._tag_stack.try_pop('dt', ['dl']);
	    result = result || this._tag_stack.try_pop('dd', ['dl']);


	  } else if (parser_token.parent.tag_name === 'p' && p_closers.indexOf(parser_token.tag_name) !== -1) {
	    // IMPORTANT: this else-if works because p_closers has no overlap with any other element we look for in this method
	    // check for the parent element is an HTML element that is not an <a>, <audio>, <del>, <ins>, <map>, <noscript>, or <video> element,  or an autonomous custom element.
	    // To do this right, this needs to be coded as an inclusion of the inverse of the exclusion above.
	    // But to start with (if we ignore "autonomous custom elements") the exclusion would be fine.
	    var p_parent = parser_token.parent.parent;
	    if (!p_parent || p_parent_excludes.indexOf(p_parent.tag_name) === -1) {
	      result = result || this._tag_stack.try_pop('p');
	    }
	  } else if (parser_token.tag_name === 'rp' || parser_token.tag_name === 'rt') {
	    // An rt element’s end tag may be omitted if the rt element is immediately followed by an rt or rp element, or if there is no more content in the parent element.
	    // An rp element’s end tag may be omitted if the rp element is immediately followed by an rt or rp element, or if there is no more content in the parent element.
	    result = result || this._tag_stack.try_pop('rt', ['ruby', 'rtc']);
	    result = result || this._tag_stack.try_pop('rp', ['ruby', 'rtc']);

	  } else if (parser_token.tag_name === 'optgroup') {
	    // An optgroup element’s end tag may be omitted if the optgroup element is immediately followed by another optgroup element, or if there is no more content in the parent element.
	    // An option element’s end tag may be omitted if the option element is immediately followed by another option element, or if it is immediately followed by an optgroup element, or if there is no more content in the parent element.
	    result = result || this._tag_stack.try_pop('optgroup', ['select']);
	    //result = result || this._tag_stack.try_pop('option', ['select']);

	  } else if (parser_token.tag_name === 'option') {
	    // An option element’s end tag may be omitted if the option element is immediately followed by another option element, or if it is immediately followed by an optgroup element, or if there is no more content in the parent element.
	    result = result || this._tag_stack.try_pop('option', ['select', 'datalist', 'optgroup']);

	  } else if (parser_token.tag_name === 'colgroup') {
	    // DONE: A colgroup element’s end tag may be omitted if the colgroup element is not immediately followed by a space character or a comment.
	    // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
	    result = result || this._tag_stack.try_pop('caption', ['table']);

	  } else if (parser_token.tag_name === 'thead') {
	    // A colgroup element's end tag may be ommitted if a thead, tfoot, tbody, or tr element is started.
	    // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
	    result = result || this._tag_stack.try_pop('caption', ['table']);
	    result = result || this._tag_stack.try_pop('colgroup', ['table']);

	    //} else if (parser_token.tag_name === 'caption') {
	    // DONE: A caption element’s end tag may be omitted if the caption element is not immediately followed by a space character or a comment.

	  } else if (parser_token.tag_name === 'tbody' || parser_token.tag_name === 'tfoot') {
	    // A thead element’s end tag may be omitted if the thead element is immediately followed by a tbody or tfoot element.
	    // A tbody element’s end tag may be omitted if the tbody element is immediately followed by a tbody or tfoot element, or if there is no more content in the parent element.
	    // A colgroup element's end tag may be ommitted if a thead, tfoot, tbody, or tr element is started.
	    // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
	    result = result || this._tag_stack.try_pop('caption', ['table']);
	    result = result || this._tag_stack.try_pop('colgroup', ['table']);
	    result = result || this._tag_stack.try_pop('thead', ['table']);
	    result = result || this._tag_stack.try_pop('tbody', ['table']);

	    //} else if (parser_token.tag_name === 'tfoot') {
	    // DONE: A tfoot element’s end tag may be omitted if there is no more content in the parent element.

	  } else if (parser_token.tag_name === 'tr') {
	    // A tr element’s end tag may be omitted if the tr element is immediately followed by another tr element, or if there is no more content in the parent element.
	    // A colgroup element's end tag may be ommitted if a thead, tfoot, tbody, or tr element is started.
	    // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
	    result = result || this._tag_stack.try_pop('caption', ['table']);
	    result = result || this._tag_stack.try_pop('colgroup', ['table']);
	    result = result || this._tag_stack.try_pop('tr', ['table', 'thead', 'tbody', 'tfoot']);

	  } else if (parser_token.tag_name === 'th' || parser_token.tag_name === 'td') {
	    // A td element’s end tag may be omitted if the td element is immediately followed by a td or th element, or if there is no more content in the parent element.
	    // A th element’s end tag may be omitted if the th element is immediately followed by a td or th element, or if there is no more content in the parent element.
	    result = result || this._tag_stack.try_pop('td', ['table', 'thead', 'tbody', 'tfoot', 'tr']);
	    result = result || this._tag_stack.try_pop('th', ['table', 'thead', 'tbody', 'tfoot', 'tr']);
	  }

	  // Start element omission not handled currently
	  // A head element’s start tag may be omitted if the element is empty, or if the first thing inside the head element is an element.
	  // A tbody element’s start tag may be omitted if the first thing inside the tbody element is a tr element, and if the element is not immediately preceded by a tbody, thead, or tfoot element whose end tag has been omitted. (It can’t be omitted if the element is empty.)
	  // A colgroup element’s start tag may be omitted if the first thing inside the colgroup element is a col element, and if the element is not immediately preceded by another colgroup element whose end tag has been omitted. (It can’t be omitted if the element is empty.)

	  // Fix up the parent of the parser token
	  parser_token.parent = this._tag_stack.get_parser_token();

	  return result;
	};

	beautifier.Beautifier = Beautifier;
	return beautifier;
}

/*jshint node:true */

var hasRequiredHtml;

function requireHtml () {
	if (hasRequiredHtml) return html.exports;
	hasRequiredHtml = 1;

	var Beautifier = requireBeautifier().Beautifier,
	  Options = requireOptions().Options;

	function style_html(html_source, options, js_beautify, css_beautify) {
	  var beautifier = new Beautifier(html_source, options, js_beautify, css_beautify);
	  return beautifier.beautify();
	}

	html.exports = style_html;
	html.exports.defaultOptions = function() {
	  return new Options();
	};
	return html.exports;
}

/*jshint node:true */

var hasRequiredSrc;

function requireSrc () {
	if (hasRequiredSrc) return src;
	hasRequiredSrc = 1;

	var js_beautify = requireJavascript();
	var css_beautify = requireCss();
	var html_beautify = requireHtml();

	function style_html(html_source, options, js, css) {
	  js = js || js_beautify;
	  css = css || css_beautify;
	  return html_beautify(html_source, options, js, css);
	}
	style_html.defaultOptions = html_beautify.defaultOptions;

	src.js = js_beautify;
	src.css = css_beautify;
	src.html = style_html;
	return src;
}

/*jshint node:true */

(function (module) {

	/**
	The following batches are equivalent:

	var beautify_js = require('js-beautify');
	var beautify_js = require('js-beautify').js;
	var beautify_js = require('js-beautify').js_beautify;

	var beautify_css = require('js-beautify').css;
	var beautify_css = require('js-beautify').css_beautify;

	var beautify_html = require('js-beautify').html;
	var beautify_html = require('js-beautify').html_beautify;

	All methods returned accept two arguments, the source string and an options object.
	**/

	function get_beautify(js_beautify, css_beautify, html_beautify) {
	  // the default is js
	  var beautify = function(src, config) {
	    return js_beautify.js_beautify(src, config);
	  };

	  // short aliases
	  beautify.js = js_beautify.js_beautify;
	  beautify.css = css_beautify.css_beautify;
	  beautify.html = html_beautify.html_beautify;

	  // legacy aliases
	  beautify.js_beautify = js_beautify.js_beautify;
	  beautify.css_beautify = css_beautify.css_beautify;
	  beautify.html_beautify = html_beautify.html_beautify;

	  return beautify;
	}

	{
	  (function(mod) {
	    var beautifier = requireSrc();
	    beautifier.js_beautify = beautifier.js;
	    beautifier.css_beautify = beautifier.css;
	    beautifier.html_beautify = beautifier.html;

	    mod.exports = get_beautify(beautifier, beautifier, beautifier);

	  })(module);
	} 
} (js));

var jsExports = js.exports;

/*!
 * is-whitespace <https://github.com/jonschlinkert/is-whitespace>
 *
 * Copyright (c) 2014-2015, Jon Schlinkert.
 * Licensed under the MIT License.
 */

var cache;

var isWhitespace$1 = function isWhitespace(str) {
  return (typeof str === 'string') && regex().test(str);
};

function regex() {
  // ensure that runtime compilation only happens once
  return cache || (cache = new RegExp('^[\\s\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF"]+$'));
}

/*!
 * is-extendable <https://github.com/jonschlinkert/is-extendable>
 *
 * Copyright (c) 2015, Jon Schlinkert.
 * Licensed under the MIT License.
 */

var isExtendable = function isExtendable(val) {
  return typeof val !== 'undefined' && val !== null
    && (typeof val === 'object' || typeof val === 'function');
};

var isObject = isExtendable;

var extendShallow = function extend(o/*, objects*/) {
  if (!isObject(o)) { o = {}; }

  var len = arguments.length;
  for (var i = 1; i < len; i++) {
    var obj = arguments[i];

    if (isObject(obj)) {
      assign(o, obj);
    }
  }
  return o;
};

function assign(a, b) {
  for (var key in b) {
    if (hasOwn(b, key)) {
      a[key] = b[key];
    }
  }
}

/**
 * Returns true if the given `key` is an own property of `obj`.
 */

function hasOwn(obj, key) {
  return Object.prototype.hasOwnProperty.call(obj, key);
}

/*!
 * Determine if an object is a Buffer
 *
 * @author   Feross Aboukhadijeh <https://feross.org>
 * @license  MIT
 */

// The _isBuffer check is for Safari 5-7 support, because it's missing
// Object.prototype.constructor. Remove this eventually
var isBuffer_1 = function (obj) {
  return obj != null && (isBuffer$1(obj) || isSlowBuffer(obj) || !!obj._isBuffer)
};

function isBuffer$1 (obj) {
  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
}

// For Node v0.10 support. Remove this eventually.
function isSlowBuffer (obj) {
  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer$1(obj.slice(0, 0))
}

var isBuffer = isBuffer_1;
var toString = Object.prototype.toString;

/**
 * Get the native `typeof` a value.
 *
 * @param  {*} `val`
 * @return {*} Native javascript type
 */

var kindOf = function kindOf(val) {
  // primitivies
  if (typeof val === 'undefined') {
    return 'undefined';
  }
  if (val === null) {
    return 'null';
  }
  if (val === true || val === false || val instanceof Boolean) {
    return 'boolean';
  }
  if (typeof val === 'string' || val instanceof String) {
    return 'string';
  }
  if (typeof val === 'number' || val instanceof Number) {
    return 'number';
  }

  // functions
  if (typeof val === 'function' || val instanceof Function) {
    return 'function';
  }

  // array
  if (typeof Array.isArray !== 'undefined' && Array.isArray(val)) {
    return 'array';
  }

  // check for instances of RegExp and Date before calling `toString`
  if (val instanceof RegExp) {
    return 'regexp';
  }
  if (val instanceof Date) {
    return 'date';
  }

  // other objects
  var type = toString.call(val);

  if (type === '[object RegExp]') {
    return 'regexp';
  }
  if (type === '[object Date]') {
    return 'date';
  }
  if (type === '[object Arguments]') {
    return 'arguments';
  }
  if (type === '[object Error]') {
    return 'error';
  }

  // buffer
  if (isBuffer(val)) {
    return 'buffer';
  }

  // es6: Map, WeakMap, Set, WeakSet
  if (type === '[object Set]') {
    return 'set';
  }
  if (type === '[object WeakSet]') {
    return 'weakset';
  }
  if (type === '[object Map]') {
    return 'map';
  }
  if (type === '[object WeakMap]') {
    return 'weakmap';
  }
  if (type === '[object Symbol]') {
    return 'symbol';
  }

  // typed arrays
  if (type === '[object Int8Array]') {
    return 'int8array';
  }
  if (type === '[object Uint8Array]') {
    return 'uint8array';
  }
  if (type === '[object Uint8ClampedArray]') {
    return 'uint8clampedarray';
  }
  if (type === '[object Int16Array]') {
    return 'int16array';
  }
  if (type === '[object Uint16Array]') {
    return 'uint16array';
  }
  if (type === '[object Int32Array]') {
    return 'int32array';
  }
  if (type === '[object Uint32Array]') {
    return 'uint32array';
  }
  if (type === '[object Float32Array]') {
    return 'float32array';
  }
  if (type === '[object Float64Array]') {
    return 'float64array';
  }

  // must be a plain object
  return 'object';
};

/*!
 * condense-newlines <https://github.com/jonschlinkert/condense-newlines>
 *
 * Copyright (c) 2014 Jon Schlinkert, contributors.
 * Licensed under the MIT License
 */

var isWhitespace = isWhitespace$1;
var extend$1 = extendShallow;
var typeOf = kindOf;

var condenseNewlines = function(str, options) {
  var opts = extend$1({}, options);
  var sep = opts.sep || '\n\n';
  var min = opts.min;
  var re;

  if (typeof min === 'number' && min !== 2) {
    re = new RegExp('(\\r\\n|\\n|\\u2424) {' + min + ',}');
  }
  if (typeof re === 'undefined') {
    re = opts.regex || /(\r\n|\n|\u2424){2,}/g;
  }

  // if a line is 100% whitespace it will be trimmed, so that
  // later we can condense newlines correctly
  if (opts.keepWhitespace !== true) {
    str = str.split('\n').map(function(line) {
      return isWhitespace(line) ? line.trim() : line;
    }).join('\n');
  }

  str = trailingNewline(str, opts);
  return str.replace(re, sep);
};

function trailingNewline(str, options) {
  var val = options.trailingNewline;
  if (val === false) {
    return str;
  }

  switch (typeOf(val)) {
    case 'string':
      str = str.replace(/\s+$/, options.trailingNewline);
      break;
    case 'function':
      str = options.trailingNewline(str);
      break;
    case 'undefined':
    case 'boolean':
    default: {
      str = str.replace(/\s+$/, '\n');
      break;
    }
  }
  return str;
}

/*!
 * pretty <https://github.com/jonschlinkert/pretty>
 *
 * Copyright (c) 2013-2015, 2017, Jon Schlinkert.
 * Released under the MIT License.
 */

var beautify = jsExports;
var condense = condenseNewlines;
var extend = extendShallow;
var defaults = {
  unformatted: ['code', 'pre', 'em', 'strong', 'span'],
  indent_inner_html: true,
  indent_char: ' ',
  indent_size: 2,
  sep: '\n'
};

var pretty = function pretty(str, options) {
  var opts = extend({}, defaults, options);
  str = beautify.html(str, opts);

  if (opts.ocd === true) {
    if (opts.newlines) opts.sep = opts.newlines;
    return ocd(str, opts);
  }

  return str;
};

function ocd(str, options) {
  // Normalize and condense all newlines
  return condense(str, options)
    // Remove empty whitespace the top of a file.
    .replace(/^\s+/g, '')
    // Remove extra whitespace from eof
    .replace(/\s+$/g, '\n')

    // Add a space above each comment
    .replace(/(\s*<!--)/g, '\n$1')
    // Bring closing comments up to the same line as closing tag.
    .replace(/>(\s*)(?=<!--\s*\/)/g, '> ');
}

const pretty$1 = /*@__PURE__*/getDefaultExportFromCjs(pretty);

async function useRender(component, props, options = {
  pretty: false
}) {
  const doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
  const App = createSSRApp(component, props || {});
  const markup = await renderToString(App);
  const text = htmlToText(markup);
  const doc = `${doctype}${cleanup(markup)}`;
  return {
    html: options.pretty ? pretty$1(doc) : doc,
    text
  };
}

export { EBody, EButton, ECodeBlock, ECodeInline, EColumn, EContainer, EFont, EHead, EHeading, EHr, EHtml, EImg, ELink, EMarkdown, EPreview, ERow, ESection, EStyle, ETailwind, EText, VueEmailPlugin, cleanup, deepmerge$1 as deepmerge, htmlToText, useRender };