markdown-it
Version:
Markdown-it - modern pluggable markdown parser.
3,864 lines • 117 kB
JavaScript
/*! markdown-it 15.0.1 https://github.com/markdown-it/markdown-it @license MIT */
import * as mdurl from "mdurl";
import * as ucmicro from "uc.micro";
import { decodeHTMLStrict } from "entities";
import { LinkifyIt } from "linkify-it";
import punycode from "punycode.js";
//#region \0rolldown/runtime.js
var __defProp = Object.defineProperty;
var __exportAll = (all, no_symbols) => {
let target = {};
for (var name in all) __defProp(target, name, {
get: all[name],
enumerable: true
});
if (!no_symbols) __defProp(target, Symbol.toStringTag, { value: "Module" });
return target;
};
//#endregion
//#region src/common/utils.ts
/**
* Common utility functions exposed through `md.utils` for use by plugins.
*
* @module md.utils
*/
var utils_exports = /* @__PURE__ */ __exportAll({
arrayReplaceAt: () => arrayReplaceAt,
asciiTrim: () => asciiTrim,
callable: () => callable,
escapeHtml: () => escapeHtml,
escapeRE: () => escapeRE,
fromCodePoint: () => fromCodePoint,
isMdAsciiPunct: () => isMdAsciiPunct,
isPunctChar: () => isPunctChar,
isPunctCharCode: () => isPunctCharCode,
isSpace: () => isSpace,
isValidEntityCode: () => isValidEntityCode,
isWhiteSpace: () => isWhiteSpace,
lib: () => lib,
normalizeReference: () => normalizeReference,
unescapeAll: () => unescapeAll,
unescapeMd: () => unescapeMd
});
function callable(cls) {
const wrapper = function(...args) {
return Reflect.construct(cls, args, new.target && new.target !== wrapper ? new.target : cls);
};
Object.defineProperty(wrapper, "name", { value: cls.name });
Object.setPrototypeOf(wrapper, cls);
wrapper.prototype = cls.prototype;
return wrapper;
}
/**
* Returns a copy of a token array with the token at `pos` replaced by
* `newElements`. Used to transform token streams without modifying the
* original array.
*/
function arrayReplaceAt(src, pos, newElements) {
return [].concat(src.slice(0, pos), newElements, src.slice(pos + 1));
}
/** Checks whether a code point can be decoded from a numeric HTML entity. */
function isValidEntityCode(c) {
if (c >= 55296 && c <= 57343) return false;
if (c >= 64976 && c <= 65007) return false;
if ((c & 65535) === 65535 || (c & 65535) === 65534) return false;
if (c >= 0 && c <= 8) return false;
if (c === 11) return false;
if (c >= 14 && c <= 31) return false;
if (c >= 127 && c <= 159) return false;
if (c > 1114111) return false;
return true;
}
/**
* Converts a Unicode code point to a string, like `String.fromCodePoint()`,
* but does not throw for invalid input.
*/
function fromCodePoint(c) {
if (c > 65535) {
c -= 65536;
const surrogate1 = 55296 + (c >> 10);
const surrogate2 = 56320 + (c & 1023);
return String.fromCharCode(surrogate1, surrogate2);
}
return String.fromCharCode(c);
}
var UNESCAPE_MD_RE = /\\([!"#$%&'()*+,\-./:;<=>?@[\\\]^_`{|}~])/g;
var UNESCAPE_ALL_RE = new RegExp(`${UNESCAPE_MD_RE.source}|${/&([a-z#][a-z0-9]{1,31});/gi.source}`, "gi");
var DIGITAL_ENTITY_TEST_RE = /^#((?:x[a-f0-9]{1,8}|[0-9]{1,8}))$/i;
function replaceEntityPattern(match, name) {
if (name.charCodeAt(0) === 35 && DIGITAL_ENTITY_TEST_RE.test(name)) {
const code = name[1].toLowerCase() === "x" ? parseInt(name.slice(2), 16) : parseInt(name.slice(1), 10);
if (isValidEntityCode(code)) return fromCodePoint(code);
return match;
}
const decoded = decodeHTMLStrict(match);
if (decoded !== match) return decoded;
return match;
}
/** Decodes Markdown backslash escapes. */
function unescapeMd(str) {
if (str.indexOf("\\") < 0) return str;
return str.replace(UNESCAPE_MD_RE, "$1");
}
/**
* Decodes Markdown backslash escapes and HTML character references in link
* destinations, link titles, and fenced code info strings.
*/
function unescapeAll(str) {
if (str.indexOf("\\") < 0 && str.indexOf("&") < 0) return str;
return str.replace(UNESCAPE_ALL_RE, function(match, escaped, entity) {
if (escaped) return escaped;
return replaceEntityPattern(match, entity);
});
}
var HTML_ESCAPE_TEST_RE = /[&<>"]/;
var HTML_ESCAPE_REPLACE_RE = /[&<>"]/g;
var HTML_REPLACEMENTS = {
"&": "&",
"<": "<",
">": ">",
"\"": """
};
function replaceUnsafeChar(ch) {
return HTML_REPLACEMENTS[ch];
}
/** Escapes HTML special characters in a string. */
function escapeHtml(str) {
if (HTML_ESCAPE_TEST_RE.test(str)) return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar);
return str;
}
var REGEXP_ESCAPE_RE = /[.?*+^$[\]\\(){}|-]/g;
/** Escapes regular expression metacharacters in a string. */
function escapeRE(str) {
return str.replace(REGEXP_ESCAPE_RE, "\\$&");
}
/** Checks whether a character code is an ASCII space or tab. */
function isSpace(code) {
switch (code) {
case 9:
case 32: return true;
}
return false;
}
/**
* Checks whether a character code is whitespace recognized by Markdown.
*
* Matches the Unicode `Zs` category or `\t`, `\f`, `\v`, `\r`, `\n`.
*/
function isWhiteSpace(code) {
if (code >= 8192 && code <= 8202) return true;
switch (code) {
case 9:
case 10:
case 11:
case 12:
case 13:
case 32:
case 160:
case 5760:
case 8239:
case 8287:
case 12288: return true;
}
return false;
}
/**
* Checks whether a character is Unicode punctuation or a symbol.
*
* Does not support astral characters.
*/
function isPunctChar(ch) {
return ucmicro.P.test(ch) || ucmicro.S.test(ch);
}
/** Checks whether a Unicode code point is punctuation or a symbol. */
function isPunctCharCode(code) {
return isPunctChar(fromCodePoint(code));
}
/**
* Markdown ASCII punctuation characters.
*
* !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /, :, ;, <, =, >, ?, @,
* [, \, ], ^, _, `, {, |, }, or ~
*
* http://spec.commonmark.org/0.15/#ascii-punctuation-character
*
* Don't confuse with Unicode punctuation. It lacks some characters in the
* ASCII range.
*/
function isMdAsciiPunct(ch) {
switch (ch) {
case 33:
case 34:
case 35:
case 36:
case 37:
case 38:
case 39:
case 40:
case 41:
case 42:
case 43:
case 44:
case 45:
case 46:
case 47:
case 58:
case 59:
case 60:
case 61:
case 62:
case 63:
case 64:
case 91:
case 92:
case 93:
case 94:
case 95:
case 96:
case 123:
case 124:
case 125:
case 126: return true;
default: return false;
}
}
/** Normalizes `[reference labels]` for case-insensitive lookup. */
function normalizeReference(str) {
str = str.trim().replace(/\s+/g, " ");
return str.toLowerCase().toUpperCase();
}
function isAsciiTrimmable(c) {
return c === 32 || c === 9 || c === 10 || c === 13;
}
/**
* "Light" `.trim()` for blocks (headings, paragraphs), where Unicode spaces
* should be preserved.
*/
function asciiTrim(str) {
let start = 0;
for (; start < str.length; start++) if (!isAsciiTrimmable(str.charCodeAt(start))) break;
let end = str.length - 1;
for (; end >= start; end--) if (!isAsciiTrimmable(str.charCodeAt(end))) break;
return str.slice(start, end + 1);
}
/**
* Libraries commonly used by markdown-it and its plugins, re-exported to
* reduce duplicate dependencies in browser bundles.
*/
var lib = {
mdurl,
ucmicro
};
//#endregion
//#region src/helpers/parse_link_label.ts
/** Finds the end of a link or image label (`[label]`). */
function parseLinkLabel(state, start, disableNested) {
let level, found, marker, prevPos;
const max = state.posMax;
const oldPos = state.pos;
state.pos = start + 1;
level = 1;
while (state.pos < max) {
marker = state.src.charCodeAt(state.pos);
if (marker === 93) {
level--;
if (level === 0) {
found = true;
break;
}
}
prevPos = state.pos;
state.md.inline.skipToken(state);
if (marker === 91) {
if (prevPos === state.pos - 1) level++;
else if (disableNested) {
state.pos = oldPos;
return -1;
}
}
}
let labelEnd = -1;
if (found) labelEnd = state.pos;
state.pos = oldPos;
return labelEnd;
}
//#endregion
//#region src/helpers/parse_link_destination.ts
/** Parses the destination in `[label](destination "title")`. */
function parseLinkDestination(str, start, max) {
let code;
let pos = start;
const result = {
ok: false,
pos: 0,
str: ""
};
if (str.charCodeAt(pos) === 60) {
pos++;
while (pos < max) {
code = str.charCodeAt(pos);
if (code === 10) return result;
if (code === 60) return result;
if (code === 62) {
result.pos = pos + 1;
result.str = unescapeAll(str.slice(start + 1, pos));
result.ok = true;
return result;
}
if (code === 92 && pos + 1 < max) {
pos += 2;
continue;
}
pos++;
}
return result;
}
let level = 0;
while (pos < max) {
code = str.charCodeAt(pos);
if (code === 32) break;
if (code < 32 || code === 127) break;
if (code === 92 && pos + 1 < max) {
if (str.charCodeAt(pos + 1) === 32) {
pos++;
continue;
}
pos += 2;
continue;
}
if (code === 40) {
level++;
if (level > 32) return result;
}
if (code === 41) {
if (level === 0) break;
level--;
}
pos++;
}
if (start === pos) return result;
if (level !== 0) return result;
result.str = unescapeAll(str.slice(start, pos));
result.pos = pos;
result.ok = true;
return result;
}
//#endregion
//#region src/helpers/parse_link_title.ts
/**
* Parses the optional title in `[label](destination "title")` or
* `[label]: destination "title"`.
*
* `prev_state` continues a reference title on the next source line.
*/
function parseLinkTitle(str, start, max, prev_state) {
let code;
let pos = start;
const state = {
ok: false,
can_continue: false,
pos: 0,
str: "",
marker: 0
};
if (prev_state) {
state.str = prev_state.str;
state.marker = prev_state.marker;
} else {
if (pos >= max) return state;
let marker = str.charCodeAt(pos);
if (marker !== 34 && marker !== 39 && marker !== 40) return state;
start++;
pos++;
if (marker === 40) marker = 41;
state.marker = marker;
}
while (pos < max) {
code = str.charCodeAt(pos);
if (code === state.marker) {
state.pos = pos + 1;
state.str += unescapeAll(str.slice(start, pos));
state.ok = true;
return state;
} else if (code === 40 && state.marker === 41) return state;
else if (code === 92 && pos + 1 < max) pos++;
pos++;
}
state.can_continue = true;
state.str += unescapeAll(str.slice(start, pos));
return state;
}
//#endregion
//#region src/helpers/index.ts
/**
* Functions used to parse links and images, split out of parser rules because
* of their size.
*
* @module md.helpers
*/
var helpers_exports = /* @__PURE__ */ __exportAll({
parseLinkDestination: () => parseLinkDestination,
parseLinkLabel: () => parseLinkLabel,
parseLinkTitle: () => parseLinkTitle
});
//#endregion
//#region \0@oxc-project+runtime@0.142.0/helpers/esm/typeof.js
function _typeof(o) {
"@babel/helpers - typeof";
return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function(o) {
return typeof o;
} : function(o) {
return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
}, _typeof(o);
}
//#endregion
//#region \0@oxc-project+runtime@0.142.0/helpers/esm/toPrimitive.js
function toPrimitive(t, r) {
if ("object" != _typeof(t) || !t) return t;
var e = t[Symbol.toPrimitive];
if (void 0 !== e) {
var i = e.call(t, r || "default");
if ("object" != _typeof(i)) return i;
throw new TypeError("@@toPrimitive must return a primitive value.");
}
return ("string" === r ? String : Number)(t);
}
//#endregion
//#region \0@oxc-project+runtime@0.142.0/helpers/esm/toPropertyKey.js
function toPropertyKey(t) {
var i = toPrimitive(t, "string");
return "symbol" == _typeof(i) ? i : i + "";
}
//#endregion
//#region \0@oxc-project+runtime@0.142.0/helpers/esm/defineProperty.js
function _defineProperty(e, r, t) {
return (r = toPropertyKey(r)) in e ? Object.defineProperty(e, r, {
value: t,
enumerable: !0,
configurable: !0,
writable: !0
}) : e[r] = t, e;
}
//#endregion
//#region src/token.ts
/**
* Represents one item in the parsed token stream, storing parsed data and
* providing helpers for managing HTML attributes.
*/
var Token = class {
constructor(type, tag, nesting) {
_defineProperty(
this,
/**
* Source map info. Format: `[ line_begin, line_end ]`
*/
"map",
null
);
_defineProperty(
this,
/**
* nesting level, the same as `state.level`
*/
"level",
0
);
_defineProperty(
this,
/**
* An array of child nodes (inline and img tokens)
*/
"children",
null
);
_defineProperty(
this,
/**
* In a case of self-closing tag (code, html, fence, etc.),
* it has contents of this tag.
*/
"content",
""
);
_defineProperty(
this,
/**
* '*' or '_' for emphasis, fence string for fence, etc.
*/
"markup",
""
);
_defineProperty(
this,
/**
* Additional information:
*
* - Info string for "fence" tokens
* - The value "auto" for autolink "link_open" and "link_close" tokens
* - The string value of the item marker for ordered-list "list_item_open" tokens
*/
"info",
""
);
_defineProperty(
this,
/**
* True for block-level tokens, false for inline tokens.
* Used in renderer to calculate line breaks
*/
"block",
false
);
_defineProperty(
this,
/**
* If it's true, ignore this element when rendering. Used for tight lists
* to hide paragraphs.
*/
"hidden",
false
);
this.type = type;
this.tag = tag;
this.attrs = null;
this.nesting = nesting;
this.meta = null;
}
/**
* Search attribute index by name.
*/
attrIndex(name) {
if (!this.attrs) return -1;
const attrs = this.attrs;
for (let i = 0, len = attrs.length; i < len; i++) if (attrs[i][0] === name) return i;
return -1;
}
/**
* Add `[ name, value ]` attribute to list. Init attrs if necessary
*/
attrPush(attrData) {
if (this.attrs) this.attrs.push(attrData);
else this.attrs = [attrData];
}
/**
* Set `name` attribute to `value`. Override old value if exists.
*/
attrSet(name, value) {
const idx = this.attrIndex(name);
const attrData = [name, value];
if (idx < 0) this.attrPush(attrData);
else this.attrs[idx] = attrData;
}
/**
* Get the value of attribute `name`, or null if it does not exist.
*/
attrGet(name) {
const idx = this.attrIndex(name);
let value = null;
if (idx >= 0) value = this.attrs[idx][1];
return value;
}
/**
* Join value to existing attribute via space. Or create new attribute if not
* exists. Useful to operate with token classes.
*/
attrJoin(name, value) {
const idx = this.attrIndex(name);
if (idx < 0) this.attrPush([name, value]);
else this.attrs[idx][1] = `${this.attrs[idx][1]} ${value}`;
}
};
//#endregion
//#region src/ruler.ts
/**
* Helper class, used by {@link MarkdownIt.core}, {@link MarkdownIt.block} and
* {@link MarkdownIt.inline} to manage sequences of functions (rules):
*
* - keep rules in defined order
* - assign the name to each rule
* - enable/disable rules
* - add/replace rules
* - allow assign rules to additional named chains (in the same)
* - cacheing lists of active rules
*
* You will not need use this class directly until write plugins. For simple
* rules control use {@link MarkdownIt.disable}, {@link MarkdownIt.enable} and
* {@link MarkdownIt.use}.
*/
var Ruler = class {
constructor() {
_defineProperty(
this,
/** @internal */
"__rules__",
[]
);
_defineProperty(
this,
/** @internal */
"__cache__",
null
);
}
/** @internal */
__find__(name) {
for (let i = 0; i < this.__rules__.length; i++) if (this.__rules__[i].name === name) return i;
return -1;
}
/** @internal */
__compile__() {
const chains = /* @__PURE__ */ new Set();
this.__rules__.forEach((rule) => {
if (!rule.enabled) return;
rule.alt.forEach((altName) => {
if (altName) chains.add(altName);
});
});
this.__cache__ = Object.create(null);
this.__cache__[""] = [];
this.__rules__.forEach((rule) => {
if (rule.enabled) this.__cache__[""].push(rule.fn);
});
chains.forEach((chain) => {
this.__cache__[chain] = [];
this.__rules__.forEach((rule) => {
if (rule.enabled && rule.alt.indexOf(chain) >= 0) this.__cache__[chain].push(rule.fn);
});
});
}
/**
* Replace rule by name with new function & options. Throws error if name not
* found.
*
* @example Replace existing typographer replacement rule with new one
* ```javascript
* import MarkdownIt from 'markdown-it'
* const md = new MarkdownIt()
*
* md.core.ruler.at('replacements', function replace(state) {
* //...
* });
* ```
*/
at(name, fn, options = {}) {
const index = this.__find__(name);
if (index === -1) throw new Error(`Parser rule not found: ${name}`);
this.__rules__[index].fn = fn;
this.__rules__[index].alt = options.alt || [];
this.__cache__ = null;
}
/**
* Add new rule to chain before one with given name. See also
* {@link Ruler.after}, {@link Ruler.push}.
*
* @example
* ```javascript
* import MarkdownIt from 'markdown-it'
* const md = new MarkdownIt()
*
* md.block.ruler.before('paragraph', 'my_rule', function replace(state) {
* //...
* });
* ```
*/
before(beforeName, ruleName, fn, options = {}) {
const index = this.__find__(beforeName);
if (index === -1) throw new Error(`Parser rule not found: ${beforeName}`);
this.__rules__.splice(index, 0, {
name: ruleName,
enabled: true,
fn,
alt: options.alt || []
});
this.__cache__ = null;
}
/**
* Add new rule to chain after one with given name. See also
* {@link Ruler.before}, {@link Ruler.push}.
*
* @example
* ```javascript
* import MarkdownIt from 'markdown-it'
* const md = new MarkdownIt()
*
* md.inline.ruler.after('text', 'my_rule', function replace(state) {
* //...
* });
* ```
*/
after(afterName, ruleName, fn, options = {}) {
const index = this.__find__(afterName);
if (index === -1) throw new Error(`Parser rule not found: ${afterName}`);
this.__rules__.splice(index + 1, 0, {
name: ruleName,
enabled: true,
fn,
alt: options.alt || []
});
this.__cache__ = null;
}
/**
* Push new rule to the end of chain. See also
* {@link Ruler.before}, {@link Ruler.after}.
*
* @example
* ```javascript
* import MarkdownIt from 'markdown-it'
* const md = new MarkdownIt()
*
* md.core.ruler.push('my_rule', function replace(state) {
* //...
* });
* ```
*/
push(ruleName, fn, options = {}) {
this.__rules__.push({
name: ruleName,
enabled: true,
fn,
alt: options.alt || []
});
this.__cache__ = null;
}
/**
* Enable rules with given names. If any rule name not found - throw Error.
* Errors can be disabled by second param.
*
* See also {@link Ruler.disable}, {@link Ruler.enableOnly}.
*
* Returns list of found rule names (if no exception happened).
*/
enable(list, ignoreInvalid = false) {
if (!Array.isArray(list)) list = [list];
const result = [];
list.forEach((name) => {
const idx = this.__find__(name);
if (idx < 0) {
if (ignoreInvalid) return;
throw new Error(`Rules manager: invalid rule name ${name}`);
}
this.__rules__[idx].enabled = true;
result.push(name);
});
this.__cache__ = null;
return result;
}
/**
* Enable rules with given names, and disable everything else. If any rule name
* not found - throw Error. Errors can be disabled by second param.
*
* See also {@link Ruler.disable}, {@link Ruler.enable}.
*/
enableOnly(list, ignoreInvalid = false) {
if (!Array.isArray(list)) list = [list];
this.__rules__.forEach((rule) => {
rule.enabled = false;
});
this.enable(list, ignoreInvalid);
}
/**
* Disable rules with given names. If any rule name not found - throw Error.
* Errors can be disabled by second param.
*
* See also {@link Ruler.enable}, {@link Ruler.enableOnly}.
*
* Returns list of found rule names (if no exception happened).
*/
disable(list, ignoreInvalid = false) {
if (!Array.isArray(list)) list = [list];
const result = [];
list.forEach((name) => {
const idx = this.__find__(name);
if (idx < 0) {
if (ignoreInvalid) return;
throw new Error(`Rules manager: invalid rule name ${name}`);
}
this.__rules__[idx].enabled = false;
result.push(name);
});
this.__cache__ = null;
return result;
}
/**
* Return array of active functions (rules) for given chain name. It analyzes
* rules configuration, compiles caches if not exists and returns result.
*
* Default chain name is `''` (empty string). It can't be skipped. That's
* done intentionally, to keep signature monomorphic for high speed.
*/
getRules(chainName) {
if (!this.__cache__) this.__compile__();
return this.__cache__[chainName] || [];
}
};
//#endregion
//#region src/renderer.ts
var default_rules = {};
default_rules.code_inline = function(tokens, idx, options, env, slf) {
const token = tokens[idx];
return `<code${slf.renderAttrs(token)}>${escapeHtml(token.content)}</code>`;
};
default_rules.code_block = function(tokens, idx, options, env, slf) {
const token = tokens[idx];
return `<pre${slf.renderAttrs(token)}><code>${escapeHtml(tokens[idx].content)}</code></pre>\n`;
};
default_rules.fence = function(tokens, idx, options, env, slf) {
const token = tokens[idx];
const info = token.info ? unescapeAll(token.info).trim() : "";
let langName = "";
let langAttrs = "";
if (info) {
const arr = info.split(/(\s+)/g);
langName = arr[0];
langAttrs = arr.slice(2).join("");
}
let highlighted;
if (options.highlight) highlighted = options.highlight(token.content, langName, langAttrs) || escapeHtml(token.content);
else highlighted = escapeHtml(token.content);
if (highlighted.indexOf("<pre") === 0) return highlighted + "\n";
if (info) {
const i = token.attrIndex("class");
const tmpAttrs = token.attrs ? token.attrs.slice() : [];
if (i < 0) tmpAttrs.push(["class", `${options.langPrefix}${langName}`]);
else {
tmpAttrs[i] = [tmpAttrs[i][0], tmpAttrs[i][1]];
tmpAttrs[i][1] += ` ${options.langPrefix}${langName}`;
}
const tmpToken = { attrs: tmpAttrs };
return `<pre><code${slf.renderAttrs(tmpToken)}>${highlighted}</code></pre>\n`;
}
return `<pre><code${slf.renderAttrs(token)}>${highlighted}</code></pre>\n`;
};
default_rules.image = function(tokens, idx, options, env, slf) {
const token = tokens[idx];
token.attrs[token.attrIndex("alt")][1] = slf.renderInlineAsText(token.children, options, env);
return slf.renderToken(tokens, idx, options);
};
default_rules.hardbreak = function(tokens, idx, options) {
return options.xhtmlOut ? "<br />\n" : "<br>\n";
};
default_rules.softbreak = function(tokens, idx, options) {
return options.breaks ? options.xhtmlOut ? "<br />\n" : "<br>\n" : "\n";
};
default_rules.text = function(tokens, idx) {
return escapeHtml(tokens[idx].content);
};
default_rules.html_block = function(tokens, idx) {
return tokens[idx].content;
};
default_rules.html_inline = function(tokens, idx) {
return tokens[idx].content;
};
/**
* Generates HTML from parsed token stream. Each instance has independent
* copy of rules. Those can be rewritten with ease. Also, you can add new
* rules if you create plugin and adds new token types.
*
* Creates new renderer instance and fills {@link Renderer.rules} with defaults.
*/
var Renderer = class {
constructor() {
_defineProperty(
this,
/**
* Contains render rules for tokens. Can be updated and extended.
*
* See [source code](https://github.com/markdown-it/markdown-it/blob/master/src/renderer.ts)
* for more details and examples.
*
* @example Custom render rules
* ```javascript
* import MarkdownIt from 'markdown-it'
* const md = new MarkdownIt()
*
* md.renderer.rules.strong_open = function () { return '<b>'; };
* md.renderer.rules.strong_close = function () { return '</b>'; };
*
* const result = md.renderInline(...);
* ```
*
* @example Each rule is called as independent static function with fixed signature
* ```javascript
* function my_token_render(tokens, idx, options, env, renderer) {
* // ...
* return renderedHTML;
* }
* ```
*/
"rules",
Object.assign({}, default_rules)
);
}
/**
* Render token attributes to string.
*/
renderAttrs(token) {
let i, l, result;
if (!token.attrs) return "";
result = "";
for (i = 0, l = token.attrs.length; i < l; i++) result += ` ${escapeHtml(token.attrs[i][0])}="${escapeHtml(String(token.attrs[i][1]))}"`;
return result;
}
/**
* Default token renderer. Can be overriden by custom function
* in {@link Renderer.rules}.
*/
renderToken(tokens, idx, options) {
const token = tokens[idx];
let result = "";
if (token.hidden) return "";
let prev = idx - 1;
while (prev >= 0 && tokens[prev].hidden && tokens[prev].nesting === 0) prev--;
if (token.block && token.nesting !== -1 && prev >= 0 && tokens[prev].hidden && tokens[prev].nesting === -1) result += "\n";
result += (token.nesting === -1 ? "</" : "<") + token.tag;
result += this.renderAttrs(token);
if (token.nesting === 0 && options.xhtmlOut) result += " /";
let needLf = false;
if (token.block) {
needLf = true;
if (token.nesting === 1) {
let next = idx + 1;
while (next < tokens.length && tokens[next].hidden && tokens[next].nesting === 0) next++;
if (next < tokens.length) {
const nextToken = tokens[next];
if (nextToken.type === "inline" || nextToken.hidden) needLf = false;
else if (nextToken.nesting === -1 && nextToken.tag === token.tag) needLf = false;
}
}
}
result += needLf ? ">\n" : ">";
return result;
}
/**
* The same as {@link Renderer.render}, but for single token of `inline` type.
*/
renderInline(tokens, options, env) {
let result = "";
const rules = this.rules;
for (let i = 0, len = tokens.length; i < len; i++) {
const type = tokens[i].type;
if (typeof rules[type] !== "undefined") result += rules[type](tokens, i, options, env, this);
else result += this.renderToken(tokens, i, options);
}
return result;
}
/**
* Special kludge for image `alt` attributes to conform CommonMark spec.
* Don't try to use it! Spec requires to show `alt` content with stripped markup,
* instead of simple escaping.
*/
renderInlineAsText(tokens, options, env) {
let result = "";
for (let i = 0, len = tokens.length; i < len; i++) switch (tokens[i].type) {
case "text":
case "code_inline":
result += tokens[i].content;
break;
case "image":
result += this.renderInlineAsText(tokens[i].children, options, env);
break;
case "html_inline":
case "html_block":
result += tokens[i].content;
break;
case "softbreak":
case "hardbreak": result += "\n";
}
return result;
}
/**
* Takes token stream and generates HTML. Probably, you will never need to call
* this method directly.
*/
render(tokens, options, env) {
let result = "";
const rules = this.rules;
for (let i = 0, len = tokens.length; i < len; i++) {
const type = tokens[i].type;
if (type === "inline") result += this.renderInline(tokens[i].children, options, env);
else if (typeof rules[type] !== "undefined") result += rules[type](tokens, i, options, env, this);
else result += this.renderToken(tokens, i, options);
}
return result;
}
};
//#endregion
//#region src/rules_core/state_core.ts
/** Mutable state passed through the core rules chain. */
var StateCore = class {
constructor(src, md, env) {
_defineProperty(this, "tokens", []);
_defineProperty(this, "inlineMode", false);
_defineProperty(this, "Token", Token);
this.src = src;
this.env = env;
this.md = md;
}
};
//#endregion
//#region src/rules_core/normalize.ts
var UNNORMALIZED_NEWLINE_RE = /\r\n?/g;
var NULL_RE = /\0/g;
function normalize(state) {
let str;
str = state.src.replace(UNNORMALIZED_NEWLINE_RE, "\n");
str = str.replace(NULL_RE, "�");
state.src = str;
}
//#endregion
//#region src/rules_core/block.ts
function block(state) {
let token;
if (state.inlineMode) {
token = new state.Token("inline", "", 0);
token.content = state.src;
token.map = [0, 1];
token.children = [];
state.tokens.push(token);
} else state.md.block.parse(state.src, state.md, state.env, state.tokens);
}
//#endregion
//#region src/rules_core/strip_references.ts
function strip_references(state) {
const tokens = state.tokens;
let last = 0;
for (let curr = 0; curr < tokens.length; curr++) {
if (tokens[curr].type === "reference_definition") continue;
if (curr !== last) tokens[last] = tokens[curr];
last++;
}
if (tokens.length !== last) tokens.length = last;
}
//#endregion
//#region src/rules_core/inline.ts
function inline(state) {
const tokens = state.tokens;
for (let i = 0, l = tokens.length; i < l; i++) {
const tok = tokens[i];
if (tok.type === "inline") state.md.inline.parse(tok.content, state.md, state.env, tok.children);
}
}
//#endregion
//#region src/rules_core/linkify.ts
function isLinkOpen$1(str) {
return /^<a[>\s]/i.test(str);
}
function isLinkClose$1(str) {
return /^<\/a\s*>/i.test(str);
}
function linkify$1(state) {
const blockTokens = state.tokens;
if (!state.md.options.linkify) return;
for (let j = 0, l = blockTokens.length; j < l; j++) {
if (blockTokens[j].type !== "inline" || !state.md.linkify.test(blockTokens[j].content)) continue;
const tokens = blockTokens[j].children;
const replacements = [];
let htmlLinkLevel = 0;
for (let i = tokens.length - 1; i >= 0; i--) {
const currentToken = tokens[i];
if (currentToken.type === "link_close") {
i--;
while (tokens[i].level !== currentToken.level && tokens[i].type !== "link_open") i--;
continue;
}
if (currentToken.type === "html_inline") {
if (isLinkOpen$1(currentToken.content) && htmlLinkLevel > 0) htmlLinkLevel--;
if (isLinkClose$1(currentToken.content)) htmlLinkLevel++;
}
if (htmlLinkLevel > 0) continue;
if (currentToken.type === "text" && state.md.linkify.test(currentToken.content)) {
const text = currentToken.content;
let links = state.md.linkify.match(text);
const nodes = [];
let level = currentToken.level;
let lastPos = 0;
if (links.length > 0 && links[0].index === 0 && i > 0 && tokens[i - 1].type === "text_special") links = links.slice(1);
for (let ln = 0; ln < links.length; ln++) {
const url = links[ln].url;
const fullUrl = state.md.normalizeLink(url);
if (!state.md.validateLink(fullUrl)) continue;
let urlText = links[ln].text;
if (!links[ln].schema) urlText = state.md.normalizeLinkText(`http://${urlText}`).replace(/^http:\/\//, "");
else if (links[ln].schema === "mailto:" && !/^mailto:/i.test(urlText)) urlText = state.md.normalizeLinkText(`mailto:${urlText}`).replace(/^mailto:/, "");
else urlText = state.md.normalizeLinkText(urlText);
const pos = links[ln].index;
if (pos > lastPos) {
const token = new state.Token("text", "", 0);
token.content = text.slice(lastPos, pos);
token.level = level;
nodes.push(token);
}
const token_o = new state.Token("link_open", "a", 1);
token_o.attrs = [["href", fullUrl]];
token_o.level = level++;
token_o.markup = "linkify";
token_o.info = "auto";
nodes.push(token_o);
const token_t = new state.Token("text", "", 0);
token_t.content = urlText;
token_t.level = level;
nodes.push(token_t);
const token_c = new state.Token("link_close", "a", -1);
token_c.level = --level;
token_c.markup = "linkify";
token_c.info = "auto";
nodes.push(token_c);
lastPos = links[ln].lastIndex;
}
if (lastPos < text.length) {
const token = new state.Token("text", "", 0);
token.content = text.slice(lastPos);
token.level = level;
nodes.push(token);
}
replacements.push({
index: i,
nodes
});
}
}
if (replacements.length > 0) {
let newTokensLength = tokens.length;
for (const replacement of replacements) newTokensLength += replacement.nodes.length - 1;
const newTokens = new Array(newTokensLength);
let replacementIndex = 0;
let newTokenIndex = 0;
replacements.reverse();
for (let i = 0; i < tokens.length; i++) {
const replacement = replacements[replacementIndex];
if ((replacement === null || replacement === void 0 ? void 0 : replacement.index) === i) {
for (const node of replacement.nodes) newTokens[newTokenIndex++] = node;
replacementIndex++;
} else newTokens[newTokenIndex++] = tokens[i];
}
blockTokens[j].children = newTokens;
}
}
}
//#endregion
//#region src/rules_core/replacements.ts
var RARE_RE = /\+-|\.\.|\?\?\?\?|!!!!|,,|--/;
var SCOPED_ABBR_TEST_RE = /\((c|tm|r)\)/i;
var SCOPED_ABBR_RE = /\((c|tm|r)\)/gi;
var SCOPED_ABBR = {
c: "©",
r: "®",
tm: "™"
};
function replaceFn(match, name) {
return SCOPED_ABBR[name.toLowerCase()];
}
function replace_scoped(inlineTokens) {
let inside_autolink = 0;
for (let i = inlineTokens.length - 1; i >= 0; i--) {
const token = inlineTokens[i];
if (token.type === "text" && !inside_autolink) token.content = token.content.replace(SCOPED_ABBR_RE, replaceFn);
if (token.type === "link_open" && token.info === "auto") inside_autolink--;
if (token.type === "link_close" && token.info === "auto") inside_autolink++;
}
}
function replace_rare(inlineTokens) {
let inside_autolink = 0;
for (let i = inlineTokens.length - 1; i >= 0; i--) {
const token = inlineTokens[i];
if (token.type === "text" && !inside_autolink) {
if (RARE_RE.test(token.content)) token.content = token.content.replace(/\+-/g, "±").replace(/\.{2,}/g, "…").replace(/([?!])…/g, "$1..").replace(/([?!]){4,}/g, "$1$1$1").replace(/,{2,}/g, ",").replace(/(^|[^-])---(?=[^-]|$)/gm, "$1—").replace(/(^|\s)--(?=\s|$)/gm, "$1–").replace(/(^|[^-\s])--(?=[^-\s]|$)/gm, "$1–");
}
if (token.type === "link_open" && token.info === "auto") inside_autolink--;
if (token.type === "link_close" && token.info === "auto") inside_autolink++;
}
}
function replace(state) {
let blkIdx;
if (!state.md.options.typographer) return;
for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {
if (state.tokens[blkIdx].type !== "inline") continue;
if (SCOPED_ABBR_TEST_RE.test(state.tokens[blkIdx].content)) replace_scoped(state.tokens[blkIdx].children);
if (RARE_RE.test(state.tokens[blkIdx].content)) replace_rare(state.tokens[blkIdx].children);
}
}
//#endregion
//#region src/rules_core/smartquotes.ts
var QUOTE_TEST_RE = /['"]/;
var QUOTE_RE = /['"]/g;
var APOSTROPHE = "’";
function addReplacement(replacements, tokenIdx, pos, ch) {
if (!replacements[tokenIdx]) replacements[tokenIdx] = [];
replacements[tokenIdx].push({
pos,
ch
});
}
function applyReplacements(str, replacements) {
let result = "";
let lastPos = 0;
replacements.sort((a, b) => a.pos - b.pos);
for (let i = 0; i < replacements.length; i++) {
const replacement = replacements[i];
result += str.slice(lastPos, replacement.pos) + replacement.ch;
lastPos = replacement.pos + 1;
}
return result + str.slice(lastPos);
}
function process_inlines(tokens, state) {
let j;
const stack = [];
const replacements = {};
for (let i = 0; i < tokens.length; i++) {
const token = tokens[i];
const thisLevel = tokens[i].level;
for (j = stack.length - 1; j >= 0; j--) if (stack[j].level <= thisLevel) break;
stack.length = j + 1;
if (token.type !== "text") continue;
const text = token.content;
let pos = 0;
const max = text.length;
OUTER: while (pos < max) {
QUOTE_RE.lastIndex = pos;
const t = QUOTE_RE.exec(text);
if (!t) break;
let canOpen = true;
let canClose = true;
pos = t.index + 1;
const isSingle = t[0] === "'";
let lastChar = 32;
if (t.index - 1 >= 0) lastChar = text.charCodeAt(t.index - 1);
else for (j = i - 1; j >= 0; j--) {
if (tokens[j].type === "softbreak" || tokens[j].type === "hardbreak") break;
if (!tokens[j].content) continue;
lastChar = tokens[j].content.charCodeAt(tokens[j].content.length - 1);
break;
}
let nextChar = 32;
if (pos < max) nextChar = text.charCodeAt(pos);
else for (j = i + 1; j < tokens.length; j++) {
if (tokens[j].type === "softbreak" || tokens[j].type === "hardbreak") break;
if (!tokens[j].content) continue;
nextChar = tokens[j].content.charCodeAt(0);
break;
}
const isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctCharCode(lastChar);
const isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctCharCode(nextChar);
const isLastWhiteSpace = isWhiteSpace(lastChar);
const isNextWhiteSpace = isWhiteSpace(nextChar);
if (isNextWhiteSpace) canOpen = false;
else if (isNextPunctChar) {
if (!(isLastWhiteSpace || isLastPunctChar)) canOpen = false;
}
if (isLastWhiteSpace) canClose = false;
else if (isLastPunctChar) {
if (!(isNextWhiteSpace || isNextPunctChar)) canClose = false;
}
if (nextChar === 34 && t[0] === "\"") {
if (lastChar >= 48 && lastChar <= 57) canClose = canOpen = false;
}
if (canOpen && canClose) {
canOpen = isLastPunctChar;
canClose = isNextPunctChar;
}
if (!canOpen && !canClose) {
if (isSingle) addReplacement(replacements, i, t.index, APOSTROPHE);
continue;
}
if (canClose) for (j = stack.length - 1; j >= 0; j--) {
let item = stack[j];
if (stack[j].level < thisLevel) break;
if (item.single === isSingle && stack[j].level === thisLevel) {
item = stack[j];
let openQuote;
let closeQuote;
if (isSingle) {
openQuote = state.md.options.quotes[2];
closeQuote = state.md.options.quotes[3];
} else {
openQuote = state.md.options.quotes[0];
closeQuote = state.md.options.quotes[1];
}
addReplacement(replacements, i, t.index, closeQuote);
addReplacement(replacements, item.token, item.pos, openQuote);
stack.length = j;
continue OUTER;
}
}
if (canOpen) stack.push({
token: i,
pos: t.index,
single: isSingle,
level: thisLevel
});
else if (canClose && isSingle) addReplacement(replacements, i, t.index, APOSTROPHE);
}
}
Object.keys(replacements).forEach(function(tokenIdx) {
const idx = Number(tokenIdx);
tokens[idx].content = applyReplacements(tokens[idx].content, replacements[tokenIdx]);
});
}
function smartquotes(state) {
if (!state.md.options.typographer) return;
for (let blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {
if (state.tokens[blkIdx].type !== "inline" || !QUOTE_TEST_RE.test(state.tokens[blkIdx].content)) continue;
process_inlines(state.tokens[blkIdx].children, state);
}
}
//#endregion
//#region src/rules_core/text_join.ts
function join_alt(tokens) {
let curr, last;
const max = tokens.length;
for (curr = 0; curr < max; curr++) if (tokens[curr].type === "text_special") tokens[curr].type = "text";
for (curr = last = 0; curr < max; curr++) if (tokens[curr].type === "text" && curr + 1 < max && tokens[curr + 1].type === "text") tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;
else {
if (curr !== last) tokens[last] = tokens[curr];
last++;
}
if (curr !== last) tokens.length = last;
}
function text_join(state) {
let curr, last;
const blockTokens = state.tokens;
const l = blockTokens.length;
for (let j = 0; j < l; j++) {
if (blockTokens[j].type !== "inline") continue;
const tokens = blockTokens[j].children;
const max = tokens.length;
for (curr = 0; curr < max; curr++) {
if (tokens[curr].type === "text_special") tokens[curr].type = "text";
if (tokens[curr].children) join_alt(tokens[curr].children);
}
for (curr = last = 0; curr < max; curr++) if (tokens[curr].type === "text" && curr + 1 < max && tokens[curr + 1].type === "text") tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;
else {
if (curr !== last) tokens[last] = tokens[curr];
last++;
}
if (curr !== last) tokens.length = last;
}
}
//#endregion
//#region src/parser_core.ts
var _rules$2 = [
["normalize", normalize],
["block", block],
["strip_references", strip_references],
["inline", inline],
["linkify", linkify$1],
["replacements", replace],
["smartquotes", smartquotes],
["text_join", text_join]
];
/**
* Top-level rules executor. Glues block/inline parsers and does intermediate
* transformations.
*/
var ParserCore = class {
constructor() {
_defineProperty(
this,
/**
* {@link Ruler} instance. Keep configuration of core rules.
*/
"ruler",
new Ruler()
);
_defineProperty(this, "State", StateCore);
for (let i = 0; i < _rules$2.length; i++) this.ruler.push(_rules$2[i][0], _rules$2[i][1]);
}
/**
* Executes core chain rules.
*/
process(state) {
const rules = this.ruler.getRules("");
for (let i = 0, l = rules.length; i < l; i++) rules[i](state);
}
};
//#endregion
//#region src/rules_block/state_block.ts
/** Mutable state passed to block rules while tokenizing a source document. */
var StateBlock = class {
constructor(src, md, env, tokens) {
_defineProperty(this, "bMarks", []);
_defineProperty(this, "eMarks", []);
_defineProperty(this, "tShift", []);
_defineProperty(this, "sCount", []);
_defineProperty(this, "bsCount", []);
_defineProperty(this, "blkIndent", 0);
_defineProperty(this, "line", 0);
_defineProperty(this, "lineMax", 0);
_defineProperty(this, "tight", false);
_defineProperty(this, "listIndent", -1);
_defineProperty(this, "parentType", "root");
_defineProperty(this, "level", 0);
_defineProperty(this, "Token", Token);
this.src = src;
this.md = md;
this.env = env;
this.tokens = tokens;
const s = this.src;
for (let start = 0, pos = 0, indent = 0, offset = 0, len = s.length, indent_found = false; pos < len; pos++) {
const ch = s.charCodeAt(pos);
if (!indent_found) if (isSpace(ch)) {
indent++;
if (ch === 9) offset += 4 - offset % 4;
else offset++;
continue;
} else indent_found = true;
if (ch === 10 || pos === len - 1) {
if (ch !== 10) pos++;
this.bMarks.push(start);
this.eMarks.push(pos);
this.tShift.push(indent);
this.sCount.push(offset);
this.bsCount.push(0);
indent_found = false;
indent = 0;
offset = 0;
start = pos + 1;
}
}
this.bMarks.push(s.length);
this.eMarks.push(s.length);
this.tShift.push(0);
this.sCount.push(0);
this.bsCount.push(0);
this.lineMax = this.bMarks.length - 1;
}
push(type, tag, nesting) {
const token = new Token(type, tag, nesting);
token.block = true;
if (nesting < 0) this.level--;
token.level = this.level;
if (nesting > 0) this.level++;
this.tokens.push(token);
return token;
}
isEmpty(line) {
return this.bMarks[line] + this.tShift[line] >= this.eMarks[line];
}
skipEmptyLines(from) {
for (let max = this.lineMax; from < max; from++) if (this.bMarks[from] + this.tShift[from] < this.eMarks[from]) break;
return from;
}
skipSpaces(pos) {
for (let max = this.src.length; pos < max; pos++) if (!isSpace(this.src.charCodeAt(pos))) break;
return pos;
}
skipSpacesBack(pos, min) {
if (pos <= min) return pos;
while (pos > min) if (!isSpace(this.src.charCodeAt(--pos))) return pos + 1;
return pos;
}
skipChars(pos, code) {
for (let max = this.src.length; pos < max; pos++) if (this.src.charCodeAt(pos) !== code) break;
return pos;
}
skipCharsBack(pos, code, min) {
if (pos <= min) return pos;
while (pos > min) if (code !== this.src.charCodeAt(--pos)) return pos + 1;
return pos;
}
getLines(begin, end, indent, keepLastLF) {
if (begin >= end) return "";
const queue = new Array(end - begin);
for (let i = 0, line = begin; line < end; line++, i++) {
let lineIndent = 0;
const lineStart = this.bMarks[line];
let first = lineStart;
let last;
if (line + 1 < end || keepLastLF) last = this.eMarks[line] + 1;
else last = this.eMarks[line];
while (first < last && lineIndent < indent) {
const ch = this.src.charCodeAt(first);
if (isSpace(ch)) if (ch === 9) lineIndent += 4 - (lineIndent + this.bsCount[line]) % 4;
else lineIndent++;
else if (first - lineStart < this.tShift[line]) lineIndent++;
else break;
first++;
}
if (lineIndent > indent) queue[i] = new Array(lineIndent - indent + 1).join(" ") + this.src.slice(first, last);
else queue[i] = this.src.slice(first, last);
}
return queue.join("");
}
};
//#endregion
//#region src/rules_block/table.ts
var MAX_AUTOCOMPLETED_CELLS = 65536;
function getLine(state, line) {
const pos = state.bMarks[line] + state.tShift[line];
const max = state.eMarks[line];
return state.src.slice(pos, max);
}
function escapedSplit(str) {
const result = [];
const max = str.length;
let pos = 0;
let ch = str.charCodeAt(pos);
let isEscaped = false;
let lastPos = 0;
let current = "";
while (pos < max) {
if (ch === 124) if (!isEscaped) {
result.push(current + str.substring(lastPos, pos));
current = "";
lastPos = pos + 1;
} else {
current += str.substring(lastPos, pos - 1);
lastPos = pos;
}
isEscaped = ch === 92;
pos++;
ch = str.charCodeAt(pos);
}
result.push(current + str.substring(lastPos));
return result;
}
function table(state, startLine, endLine, silent) {
if (startLine + 2 > endLine) return false;
let nextLine = startLine + 1;
if (state.sCount[nextLine] < state.blkIndent) return false;
if (state.sCount[nextLine] - state.blkIndent >= 4) return false;
let pos = state.bMarks[nextLine] + state.tShift[nextLine];
if (pos >= state.eMarks[nextLine]) return false;
const firstCh = state.src.charCodeAt(pos++);
if (firstCh !== 124 && firstCh !== 45 && firstCh !== 58) return false;
if (pos >= state.eMarks[nextLine]) return false;
const secondCh = state.src.charCodeAt(pos++);
if (secondCh !== 124 && secondCh !== 45 && secondCh !== 58 && !isSpace(secondCh)) return false;
if (firstCh === 45 && isSpace(secondCh)) return false;
while (pos < state.eMarks[nextLine]) {
const ch = state.src.charCodeAt(pos);
if (ch !== 124 && ch !== 45 && ch !== 58 && !isSpace(ch)) return false;
pos++;
}
let lineText = getLine(state, startLine + 1);
let columns = lineText.split("|");
const aligns = [];
for (let i = 0; i < columns.length; i++) {
const t = columns[i].trim();
if (!t) if (i === 0 || i === columns.length - 1) continue;
else return false;
if (!/^:?-+:?$/.test(t)) return false;
if (t.charCodeAt(t.length - 1) === 58) aligns.push(t.charCodeAt(0) === 58 ? "center" : "right");
else if (t.charCodeAt(0) === 58) aligns.push("left");
else aligns.push("");
}
lineText = getLine(state, startLine).trim();
if (lineText.indexOf("|") === -1) return false;
if (state.sCount[startLine] - state.blkIndent >= 4) return false;
columns = escapedSplit(lineText);
if (columns.length && columns[0] === "") columns.shift();
if (columns.length && columns[columns.length - 1] === "") columns.pop();
const columnCount = columns.length;
if (columnCount === 0 || columnCount !== aligns.length) return false;
if (silent) return true;
const oldParentType = state.parentType;
state.parentType = "table";
const terminatorRules = state.md.block.ruler.getRules("blockquote");
const token_to = state.push("table_open", "table", 1);
const tableLines = [startLine, 0];
token_to.map = tableLines;
const token_tho = state.push("thead_open", "thead", 1);
token_tho.map = [startLine, startLine + 1];
const token_htro = state.push("tr_open", "tr", 1);
token_htro.map = [startLine, startLine + 1];
for (let i = 0; i < columns.length; i++) {
const token_ho = state.push("th_open", "th", 1);
if (aligns[i]) token_ho.attrs = [["style", `text-align:${aligns[i]}`]];
const token_il = state.push("inline", "", 0);
token_il.content = columns[i].trim();
token_il.children = [];
state.push("th_close", "th", -1);
}
state.push("tr_close", "tr", -1);
state.push("thead_close", "thead", -1);
let tbodyLines;
let autocompletedCells = 0;
for (nextLine = startLine + 2; nextLine < endLine; nextLine++) {
if (state.sCount[nextLine] < state.blkIndent) break;
let terminate = false;
for (let i = 0, l = terminatorRules.length; i < l; i++) if (terminatorRules[i](state, nextLine, endLine, true)) {
terminate = true;
break;
}
if (terminate) break;
lineText = getLine(state, nextLine).trim();
if (!lineText) break;
if (state.sCount[nextLine] - state.blkIndent >= 4) break;
columns = escapedSplit(lineText);
if (columns.length && columns[0] === "") columns.shift();
if (columns.length && columns[columns.length - 1] === "") columns.pop();
autocompletedCells += columnCount - columns.length;
if (autocompletedCells > MAX_AUTOCOMPLETED_CELLS) break;
if (nextLine === startLine + 2) {
const token_tbo = state.push("tbody_open", "tbody", 1);
token_tbo.map = tbodyLines = [startLine + 2, 0];
}
const token_tro = state.push("tr_open", "tr", 1);
token_tro.map = [nextLine, nextLine + 1];
for (let i = 0; i < columnCount; i++) {
const token_tdo = state.push("td_open", "td", 1);
if (aligns[i]) token_tdo.attrs = [["style", `text-align:${aligns[i]}`]];
const token_il = state.push("inline", "", 0);
token_il.content = columns[i] ? columns[i].trim() : "";
token_il.children = [];
state.push("td_close", "td", -1);
}
state.push("tr_close", "tr", -1);
}
if (tbodyLines) {
state.push("tbody_close", "tbody", -1);
tbodyLines[1] = nextLine;
}
state.push("table_close", "table", -1);
tableLines[1] = nextLine;
state.parentType = oldParentType;
state.line = nextLine;
return true;
}
//#endregion
//#region src/rules_block/code.ts
function code(state, startLine, endLine) {
if (state.sCount[startLine] - state.blkIndent < 4) return false;
let nextLine = startLine + 1;
let last = nextLine;
while (nextLine < endLine) {
if (state.isEmpty(nextLine)) {
nextLine++;
continue;
}
if (state.sCount[nextLine] - state.blkIndent >= 4) {
nextLine++;
last = nextLine;
continue;
}
break;
}
state.line = last;
const token = state.push("code_block", "code", 0);
token.content = state.getLines(startLine, last, 4 + state.blkIndent, false) + "\n";
token.map = [startLine, state.line];
return true;
}
//#endregion
//#region src/rules_block/fence.ts
function fence(state, startLine, endLine, silent) {
let pos = state.bMarks[startLine] + state.tShift[startLine];
let max = state.eMarks[startLine];
if (state.sCount[startLine] - state.blkIndent >= 4) return false;
if (pos + 3 > max) return false;
const marker = state.src.charCodeAt(pos);
if (marker !== 126 && marker !== 96) return false;
let mem = pos;
pos = state.skipChars(pos, marker);
let len = pos - mem;
if (len < 3) return false;
const markup = state.src.slice(mem, pos);
const params = state.src.slice(pos, max);
if (marker === 96) {
if (params.indexOf(String.fromCharCode(marker)) >= 0) return false;
}
if (silent) return true;
let nextLine = startLine;
let haveEndMarker = false;
for (;;) {
nextLine++;
if (nextLine >= endLine) break;
pos = mem = state.bMarks[nextLine] + state.tShift[nextLine];
max = state.eMarks[nextLine];
if (pos < max && state.sCount[nextLine] < state.blkIndent) break;
if (state.src.charCodeAt(pos) !== marker) continue;
if (state.sCount[nextLine] - state.blkIndent >= 4) continue;
pos = state.skipChars(pos, marker);
if (pos - mem < len) continue;
pos = state.skipSpaces(pos);
if (pos < max) continue;
haveEndMarker = true;
break;
}
len = state.sCount[startLine];
state.line = nextLine + (haveEndMarker ? 1 : 0);
const token = state.push("fence", "code", 0);
token.info = params;
token.content = state.getLines(startLine + 1, nextLine, len, true);
token.markup = markup;
token.map = [startLine, state.line];
return true;
}
//#endregion
//#region src/rules_block/blockquote.ts
function blockquote(state, startLine, endLine, silent) {
let pos = state.bMarks[startLine] + state.tShift[startLine];
let max = state.eMarks[startLine];
const oldLineMax = state.lineMax;
if (state.sCount[startLine] - state.blkIndent >= 4) return false;
if (state.src.charCodeAt(pos) !== 62) return false;
if (silent) return true;
const oldBMarks = [];
const oldBSCount = [];
const oldSCount = [];
const oldTShift = [];
const terminatorRules = state.md.block.ruler.getRules("blockquote");
const oldParentType = state.parentType;
state.parentType = "blockquote";
let lastLineEmpty = false;
let nextLine;
for (nextLine = startLine; nextLine < endLine; nextLine++) {
const isOutdented = state.sCount[nextLine] < state.blkIndent;
pos = state.bMarks[nextLine] + state.tShift[nextLine];
max = state.eMarks[nextLine];
if (pos >= max) break;
if (state.src.charCodeAt(pos++) === 62 && !isOutdented) {
let initial = state.sCount[nextLine] + 1;
let spaceAfterMarker;
let adjustTab;
if (state.src.charCodeAt(pos) === 32) {
pos++;
initial++;
adjustTab = false;
spaceAfterMarker = true;
} else if (state.src.charCodeAt(pos) === 9) {
spaceAfterMarker = true;
if ((state.bsCount[nextLine] + initial) % 4 === 3) {
pos++;
initial++;
adjustTab = false;
} else adjustTab = true;
} else spaceAfterMarker = false;
let offset = initial;
oldBMarks.push(state.bMarks[nextLine]);
state.bMarks[nextLine] = pos;
while (pos < max) {
const ch = state.src.charCodeAt(pos);
if (isSpace(ch)) if (ch === 9) offset += 4 - (offset + state.bsCount[nextLine] + (adjustTab ? 1 : 0)) % 4;
else offset++;
else break;
pos++;
}
lastLineEmpty = pos >= max;
oldBSCount.push(state.bsCount[nextLine]);
state.bsCount[nextLine] = state.sCount[nextLine] + 1 + (spaceAfterMarker ? 1 : 0);
oldSCount.push(state.sCount[nextLine]);
state.sCount[nextLine] = offset - initial;
oldTShift.push(state.tShift[nextLine]);
state.tShift[nextLine] = pos - state.bMarks[nextLine];
continue;
}
if (lastLineEmpty) break;
let terminate = false;
for (let i = 0, l = terminatorRules.length; i < l; i++) if (terminatorRules[i](state, nextLine, endLine, true)) {
terminate = true;
break;
}
if (terminate) {
state.lineMax = nextLine;
if (state.blkIndent !== 0) {
oldBMarks.push(state.bMarks[nextLine]);
oldBSCount.push(state.bsCount[nextLine]);
oldTShift.push(state.tShift[nextLine]);
oldSCount.push(state.sCount[nextLine]);
state.sCount[nextLine] -= state.blkIndent;
}
break;
}
oldBMarks.push(state.bMarks[nextLine]);
oldBSCount.push(state.bsCount[nextLine]);
oldTShift.push(state.tShift[nextLine]);
oldSCount.push(state.sCount[nextLine]);
state.sCount[nextLine] = -1;
}
const oldIndent = state.blkIndent;
state.blkIndent = 0;
const token_o = state.push("blockquote_open", "blockquote", 1);
token_o.markup = ">";
const lines = [startLine, 0];
token_o.map = lines;
state.md.block.tokenize(state, startLine, nextLine);
const token_c = state.push("blockquote_close", "blockquote", -1);
token_c.markup = ">";
state.lineMax = oldLineMax;
state.parentType = oldParentType;
lines[1] = state.line;
for (let i = 0; i < oldTShift.length; i++) {
state.bMarks[i + startLine] = oldBMarks[i];
state.tShift[i + startLine] = oldTShift[i];
state.sCount[i + startLine] = oldSCount[i];
state.bsCount[i + startLine] = oldBSCount[i];
}
state.blkIndent = oldIndent;
return true;
}
//#endregion
//#region src/rules_block/hr.ts
function hr(state, startLine, endLine, silent) {
const max = state.eMarks[startLine];
if (state.sCount[startLine] - state.blkIndent >= 4) return false;
let pos = state.bMarks[startLine] + state.tShift[startLine];
const marker = state.src.charCodeAt(pos++);
if (marker !== 42 && marker !== 45 && marker !== 95) return false;
let cnt = 1;
while (pos < max) {
const ch = state.src.charCodeAt(pos++);
if (ch !== marker && !isSpace(ch)) return false;
if (ch === marker) cnt++;
}
if (cnt < 3) return false;
if (silent) return true;
state.line = startLine + 1;
const token = state.push("hr", "hr", 0);
token.map = [startLine, state.line];
token.markup = Array(cnt + 1).join(String.fromCharCode(marker));
return true;
}
//#endregion
//#region src/rules_block/list.ts
function skipBulletListMarker(state, startLine) {
const max = state.eMarks[startLine];
let pos = state.bMarks[startLine] + state.tShift[startLine];
const marker = state.src.charCodeAt(pos++);
if (marker !== 42 && marker !== 45 && marker !== 43) return -1;
if (pos < max) {
if (!isSpace(state.src.charCodeAt(pos))) return -1;
}
return pos;
}
function skipOrderedListMarker(state, startLine) {
const start = state.bMarks[startLine] + state.tShift[startLine];
const max = state.eMarks[startLine];
let pos = start;
if (pos + 1 >= max) return -1;
let ch = state.src.charCodeAt(pos++);
if (ch < 48 || ch > 57) return -1;
for (;;) {
if (pos >= max) return -1;
ch = state.src.charCodeAt(pos++);
if (ch >= 48 && ch <= 57) {
if (pos - start >= 10) return -1;
continue;
}
if (ch === 41 || ch === 46) break;
return -1;
}
if (pos < max) {
ch = state.src.charCodeAt(pos);
if (!isSpace(ch)) return -1;
}
return pos;
}
function markTightParagraphs(state, idx) {
const level = state.level + 2;
for (let i = idx + 2, l = state.tokens.length - 2; i < l; i++) if (state.tokens[i].level === level && state.tokens[i].type === "paragraph_open") {
state.tokens[i + 2].hidden = true;
state.tokens[i].hidden = true;
i += 2;
}
}
function list(state, startLine, endLine, silent) {
let max, pos, start, token;
let nextLine = startLine;
let tight = true;
if (state.sCount[nextLine] - state.blkIndent >= 4) return false;
if (state.listIndent >= 0 && state.sCount[nextLine] - state.listIndent >= 4 && state.sCount[nextLine] < state.blkIndent) return false;
let isTerminatingParagraph = false;
if (silent && state.parentType === "paragraph") {
if (state.sCount[nextLine] >= state.blkIndent) isTerminatingParagraph = true;
}
let isOrdered;
let markerValue;
let posAfterMarker;
if ((posAfterMarker = skipOrderedListMarker(state, nextLine)) >= 0) {
isOrdered = true;
start = state.bMarks[nextLine] + state.tShift[nextLine];
markerValue = Number(state.src.slice(start, posAfterMarker - 1));
if (isTerminatingParagraph && markerValue !== 1) return false;
} else if ((posAfterMarker = skipBulletListMarker(state, nextLine)) >= 0) isOrdered = false;
else return false;
if (isTerminatingParagraph) {
if (state.skipSpaces(posAfterMarker) >= state.eMarks[nextLine]) return false;
}
if (silent) return true;
const markerCharCode = state.src.charCodeAt(posAfterMarker - 1);
const listTokIdx = state.tokens.length;
if (isOrdered) {
token = state.push("ordered_list_open", "ol", 1);
if (markerValue !== 1) token.attrs = [["start", markerValue]];
} else token = state.push("bullet_list_open", "ul", 1);
const listLines = [nextLine, 0];
token.map = listLines;
token.markup = String.fromCharCode(markerCharCode);
let prevEmptyEnd = false;
const terminatorRules = state.md.block.ruler.getRules("list");
const oldParentType = state.parentType;
state.parentType = "list";
while (nextLine < endLine) {
pos = posAfterMarker;
max = state.eMarks[nextLine];
const initial = state.sCount[nextLine] + posAfterMarker - (state.bMarks[nextLine] + state.tShift[nextLine]);
let offset = initial;
while (pos < max) {
const ch = state.src.charCodeAt(pos);
if (ch === 9) offset += 4 - (offset + state.bsCount[nextLine]) % 4;
else if (ch === 32) offset++;
else break;
pos++;
}
const contentStart = pos;
let indentAfterMarker;
if (contentStart >= max) indentAfterMarker = 1;
else indentAfterMarker = offset - initial;
if (indentAfterMarker > 4) indentAfterMarker = 1;
const indent = initial + indentAfterMarker;
token = state.push("list_item_open", "li", 1);
token.markup = String.fromCharCode(markerCharCode);
const itemLines = [nextLine, 0];
token.map = itemLines;
if (isOrdered) token.info = state.src.slice(start, posAfterMarker - 1);
const oldTight = state.tight;
const oldTShift = state.tShift[nextLine];
const oldSCount = state.sCount[nextLine];
const oldListIndent = state.listIndent;
state.listIndent = state.blkIndent;
state.blkIndent = indent;
state.tight = true;
state.tShift[nextLine] = contentStart - state.bMarks[nextLine];
state.sCount[nextLine] = offset;
if (contentStart >= max && state.isEmpty(nextLine + 1)) state.line = Math.min(state.line + 2, endLine);
else state.md.block.tokenize(state, nextLine, endLine);
if (!state.tight || prevEmptyEnd) tight = false;
prevEmptyEnd = state.line - nextLine > 1 && state.isEmpty(state.line - 1);
state.blkIndent = state.listIndent;
state.listIndent = oldListIndent;
state.tShift[nextLine] = oldTShift;
state.sCount[nextLine] = oldSCount;
state.tight = oldTight;
token = state.push("list_item_close", "li", -1);
token.markup = String.fromCharCode(markerCharCode);
nextLine = state.line;
itemLines[1] = nextLine;
if (nextLine >= endLine) break;
if (state.sCount[nextLine] < state.blkIndent) break;
if (state.sCount[nextLine] - state.blkIndent >= 4) break;
let terminate = false;
for (let i = 0, l = terminatorRules.length; i < l; i++) if (terminatorRules[i](state, nextLine, endLine, true)) {
terminate = true;
break;
}
if (terminate) break;
if (isOrdered) {
posAfterMarker = skipOrderedListMarker(state, nextLine);
if (posAfterMarker < 0) break;
start = state.bMarks[nextLine] + state.tShift[nextLine];
} else {
posAfterMarker = skipBulletListMarker(state, nextLine);
if (posAfterMarker < 0) break;
}
if (markerCharCode !== state.src.charCodeAt(posAfterMarker - 1)) break;
}
if (isOrdered) token = state.push("ordered_list_close", "ol", -1);
else token = state.push("bullet_list_close", "ul", -1);
token.markup = String.fromCharCode(markerCharCode);
listLines[1] = nextLine;
state.line = nextLine;
state.parentType = oldParentType;
if (tight) markTightParagraphs(state, listTokIdx);
return true;
}
//#endregion
//#region src/rules_block/reference.ts
function reference(state, startLine, _endLine, silent) {
let pos = state.bMarks[startLine] + state.tShift[startLine];
let max = state.eMarks[startLine];
let nextLine = startLine + 1;
if (state.sCount[startLine] - state.blkIndent >= 4) return false;
if (state.src.charCodeAt(pos) !== 91) return false;
function getNextLine(nextLine) {
const endLine = state.lineMax;
if (nextLine >= endLine || state.isEmpty(nextLine)) return null;
let isContinuation = false;
if (state.sCount[nextLine] - state.blkIndent > 3) isContinuation = true;
if (state.sCount[nextLine] < 0) isContinuation = true;
if (!isContinuation) {
const terminatorRules = state.md.block.ruler.getRules("reference");
const oldParentType = state.parentType;
state.parentType = "reference";
let terminate = false;
for (let i = 0, l = terminatorRules.length; i < l; i++) if (terminatorRules[i](state, nextLine, endLine, true)) {
terminate = true;
break;
}
state.parentType = oldParentType;
if (terminate) return null;
}
const pos = state.bMarks[nextLine] + state.tShift[nextLine];
const max = state.eMarks[nextLine];
return state.src.slice(pos, max + 1);
}
let str = state.src.slice(pos, max + 1);
max = str.length;
let labelEnd = -1;
for (pos = 1; pos < max; pos++) {
const ch = str.charCodeAt(pos);
if (ch === 91) return false;
else if (ch === 93) {
labelEnd = pos;
break;
} else if (ch === 10) {
const lineContent = getNextLine(nextLine);
if (lineContent !== null) {
str += lineContent;
max = str.length;
nextLine++;
}
} else if (ch === 92) {
pos++;
if (pos < max && str.charCodeAt(pos) === 10) {
const lineContent = getNextLine(nextLine);
if (lineContent !== null) {
str += lineContent;
max = str.length;
nextLine++;
}
}
}
}
if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 58) return false;
for (pos = labelEnd + 2; pos < max; pos++) {
const ch = str.charCodeAt(pos);
if (ch === 10) {
const lineContent = getNextLine(nextLine);
if (lineContent !== null) {
str += lineContent;
max = str.length;
nextLine++;
}
} else if (isSpace(ch)) {} else break;
}
const destRes = state.md.helpers.parseLinkDestination(str, pos, max);
if (!destRes.ok) return false;
const href = state.md.normalizeLink(destRes.str);
if (!state.md.validateLink(href)) return false;
pos = destRes.pos;
const destEndPos = pos;
const destEndLineNo = nextLine;
const start = pos;
for (; pos < max; pos++) {
const ch = str.charCodeAt(pos);
if (ch === 10) {
const lineContent = getNextLine(nextLine);
if (lineContent !== null) {
str += lineContent;
max = str.length;
nextLine++;
}
} else if (isSpace(ch)) {} else break;
}
let titleRes = state.md.helpers.parseLinkTitle(str, pos, max);
while (titleRes.can_continue) {
const lineContent = getNextLine(nextLine);
if (lineContent === null) break;
str += lineContent;
pos = max;
max = str.length;
nextLine++;
titleRes = state.md.helpers.parseLinkTitle(str, pos, max, titleRes);
}
let title;
if (pos < max && start !== pos && titleRes.ok) {
title = titleRes.str;
pos = titleRes.pos;
} else {
title = "";
pos = destEndPos;
nextLine = destEndLineNo;
}
while (pos < max) {
if (!isSpace(str.charCodeAt(pos))) break;
pos++;
}
if (pos < max && str.charCodeAt(pos) !== 10) {
if (title) {
title = "";
pos = destEndPos;
nextLine = destEndLineNo;
while (pos < max) {
if (!isSpace(str.charCodeAt(pos))) break;
pos++;
}
}
}
if (pos < max && str.charCodeAt(pos) !== 10) return false;
const label = normalizeReference(str.slice(1, labelEnd));
if (!label) return false;
/* istanbul ignore if */
if (silent) return true;
if (typeof state.env.references === "undefined") state.env.references = {};
if (typeof state.env.references[label] === "undefined") state.env.references[label] = {
title,
href
};
const token = state.push("reference_definition", "", 0);
token.map = [startLine, nextLine];
token.hidden = true;
const meta = Object.create(null);
meta.label = label;
token.meta = meta;
state.line = nextLine;
return true;
}
//#endregion
//#region src/common/html_blocks.ts
var html_blocks_default = [
"address",
"article",
"aside",
"base",
"basefont",
"blockquote",
"body",
"caption",
"center",
"col",
"colgroup",
"dd",
"details",
"dialog",
"dir",
"div",
"dl",
"dt",
"fieldset",
"figcaption",
"figure",
"footer",
"form",
"frame",
"frameset",
"h1",
"h2",
"h3",
"h4",
"h5",
"h6",
"head",
"header",
"hr",
"html",
"iframe",
"legend",
"li",
"link",
"main",
"menu",
"menuitem",
"nav",
"noframes",
"ol",
"optgroup",
"option",
"p",
"param",
"search",
"section",
"summary",
"table",
"tbody",
"td",
"tfoot",
"th",
"thead",
"title",
"tr",
"track",
"ul"
];
//#endregion
//#region src/common/html_re.ts
var open_tag = `<[A-Za-z][A-Za-z0-9\\-]*(?:\\s+[a-zA-Z_:][a-zA-Z0-9:._-]*(?:\\s*=\\s*(?:[^"'=<>\`\\x00-\\x20]+|'[^']*'|"[^"]*"))?)*\\s*\\/?>`;
var close_tag = "<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>";
var HTML_TAG_RE = new RegExp(`^(?:${open_tag}|${close_tag}|<!---?>|<!--(?:[^-]|-[^-]|--[^>])*-->|<[?][\\s\\S]*?[?]>|<![A-Za-z][^>]*>|<!\\[CDATA\\[[\\s\\S]*?\\]\\]>)`);
var HTML_OPEN_CLOSE_TAG_RE = new RegExp(`^(?:${open_tag}|${close_tag})`);
//#endregion
//#region src/rules_block/html_block.ts
var HTML_SEQUENCES = [
[
/^<(script|pre|style|textarea)(?=(\s|>|$))/i,
/<\/(script|pre|style|textarea)>/i,
true
],
[
/^<!--/,
/-->/,
true
],
[
/^<\?/,
/\?>/,
true
],
[
/^<![A-Za-z]/,
/>/,
true
],
[
/^<!\[CDATA\[/,
/\]\]>/,
true
],
[
new RegExp(`^</?(${html_blocks_default.join("|")})(?=(\\s|/?>|$))`, "i"),
/^$/,
true
],
[
new RegExp(`${HTML_OPEN_CLOSE_TAG_RE.source}\\s*$`),
/^$/,
false
]
];
function html_block(state, startLine, endLine, silent) {
let pos = state.bMarks[startLine] + state.tShift[startLine];
let max = state.eMarks[startLine];
if (state.sCount[startLine] - state.blkIndent >= 4) return false;
if (!state.md.options.html) return false;
if (state.src.charCodeAt(pos) !== 60) return false;
let lineText = state.src.slice(pos, max);
let i = 0;
for (; i < HTML_SEQUENCES.length; i++) if (HTML_SEQUENCES[i][0].test(lineText)) break;
if (i === HTML_SEQUENCES.length) return false;
if (silent) return HTML_SEQUENCES[i][2];
let nextLine = startLine + 1;
const endsOnBlankLine = HTML_SEQUENCES[i][1].test("");
if (!HTML_SEQUENCES[i][1].test(lineText)) for (; nextLine < endLine; nextLine++) {
if (state.sCount[nextLine] < state.blkIndent) {
if (endsOnBlankLine || !state.isEmpty(nextLine)) break;
}
pos = state.bMarks[nextLine] + state.tShift[nextLine];
max = state.eMarks[nextLine];
lineText = state.src.slice(pos, max);
if (HTML_SEQUENCES[i][1].test(lineText)) {
if (lineText.length !== 0) nextLine++;
break;
}
}
state.line = nextLine;
const token = state.push("html_block", "", 0);
token.map = [startLine, nextLine];
token.content = state.getLines(startLine, nextLine, state.blkIndent, true);
return true;
}
//#endregion
//#region src/rules_block/heading.ts
function heading(state, startLine, endLine, silent) {
let pos = state.bMarks[startLine] + state.tShift[startLine];
let max = state.eMarks[startLine];
if (state.sCount[startLine] - state.blkIndent >= 4) return false;
let ch = state.src.charCodeAt(pos);
if (ch !== 35 || pos >= max) return false;
let level = 1;
ch = state.src.charCodeAt(++pos);
while (ch === 35 && pos < max && level <= 6) {
level++;
ch = state.src.charCodeAt(++pos);
}
if (level > 6 || pos < max && !isSpace(ch)) return false;
if (silent) return true;
max = state.skipSpacesBack(max, pos);
const tmp = state.skipCharsBack(max, 35, pos);
if (tmp > pos && isSpace(state.src.charCodeAt(tmp - 1))) max = tmp;
state.line = startLine + 1;
const token_o = state.push("heading_open", `h${level}`, 1);
token_o.markup = "########".slice(0, level);
token_o.map = [startLine, state.line];
const token_i = state.push("inline", "", 0);
token_i.content = asciiTrim(state.src.slice(pos, max));
token_i.map = [startLine, state.line];
token_i.children = [];
const token_c = state.push("heading_close", `h${level}`, -1);
token_c.markup = "########".slice(0, level);
return true;
}
//#endregion
//#region src/rules_block/lheading.ts
function lheading(state, startLine, endLine) {
const terminatorRules = state.md.block.ruler.getRules("paragraph");
if (state.sCount[startLine] - state.blkIndent >= 4) return false;
const oldParentType = state.parentType;
state.parentType = "paragraph";
let level = 0;
let marker;
let nextLine = startLine + 1;
for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
if (state.sCount[nextLine] - state.blkIndent > 3) continue;
if (state.sCount[nextLine] >= state.blkIndent) {
let pos = state.bMarks[nextLine] + state.tShift[nextLine];
const max = state.eMarks[nextLine];
if (pos < max) {
marker = state.src.charCodeAt(pos);
if (marker === 45 || marker === 61) {
pos = state.skipChars(pos, marker);
pos = state.skipSpaces(pos);
if (pos >= max) {
level = marker === 61 ? 1 : 2;
break;
}
}
}
}
if (state.sCount[nextLine] < 0) continue;
let terminate = false;
for (let i = 0, l = terminatorRules.length; i < l; i++) if (terminatorRules[i](state, nextLine, endLine, true)) {
terminate = true;
break;
}
if (terminate) break;
}
if (!level) {
state.parentType = oldParentType;
return false;
}
const content = asciiTrim(state.getLines(startLine, nextLine, state.blkIndent, false));
state.line = nextLine + 1;
const token_o = state.push("heading_open", `h${level}`, 1);
token_o.markup = String.fromCharCode(marker);
token_o.map = [startLine, state.line];
const token_i = state.push("inline", "", 0);
token_i.content = content;
token_i.map = [startLine, state.line - 1];
token_i.children = [];
const token_c = state.push("heading_close", `h${level}`, -1);
token_c.markup = String.fromCharCode(marker);
state.parentType = oldParentType;
return true;
}
//#endregion
//#region src/rules_block/paragraph.ts
function paragraph(state, startLine, endLine) {
const terminatorRules = state.md.block.ruler.getRules("paragraph");
const oldParentType = state.parentType;
let nextLine = startLine + 1;
state.parentType = "paragraph";
for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
if (state.sCount[nextLine] - state.blkIndent > 3) continue;
if (state.sCount[nextLine] < 0) continue;
let terminate = false;
for (let i = 0, l = terminatorRules.length; i < l; i++) if (terminatorRules[i](state, nextLine, endLine, true)) {
terminate = true;
break;
}
if (terminate) break;
}
const content = asciiTrim(state.getLines(startLine, nextLine, state.blkIndent, false));
state.line = nextLine;
const token_o = state.push("paragraph_open", "p", 1);
token_o.map = [startLine, state.line];
const token_i = state.push("inline", "", 0);
token_i.content = content;
token_i.map = [startLine, state.line];
token_i.children = [];
state.push("paragraph_close", "p", -1);
state.parentType = oldParentType;
return true;
}
//#endregion
//#region src/parser_block.ts
var _rules$1 = [
[
"table",
table,
["paragraph", "reference"]
],
["code", code],
[
"fence",
fence,
[
"paragraph",
"reference",
"blockquote",
"list"
]
],
[
"blockquote",
blockquote,
[
"paragraph",
"reference",
"blockquote",
"list"
]
],
[
"hr",
hr,
[
"paragraph",
"reference",
"blockquote",
"list"
]
],
[
"list",
list,
[
"paragraph",
"reference",
"blockquote"
]
],
["reference", reference],
[
"html_block",
html_block,
[
"paragraph",
"reference",
"blockquote"
]
],
[
"heading",
heading,
[
"paragraph",
"reference",
"blockquote"
]
],
["lheading", lheading],
["paragraph", paragraph]
];
/**
* Block-level tokenizer.
*/
var ParserBlock = class {
constructor() {
_defineProperty(
this,
/**
* {@link Ruler} instance. Keep configuration of block rules.
*/
"ruler",
new Ruler()
);
_defineProperty(this, "State", StateBlock);
for (let i = 0; i < _rules$1.length; i++) this.ruler.push(_rules$1[i][0], _rules$1[i][1], { alt: (_rules$1[i][2] || []).slice() });
}
tokenize(state, startLine, endLine) {
const rules = this.ruler.getRules("");
const len = rules.length;
const maxNesting = state.md.options.maxNesting;
let line = startLine;
let hasEmptyLines = false;
while (line < endLine) {
state.line = line = state.skipEmptyLines(line);
if (line >= endLine) break;
if (state.sCount[line] < state.blkIndent) break;
if (state.level >= maxNesting) {
state.line = endLine;
break;
}
const prevLine = state.line;
let ok = false;
for (let i = 0; i < len; i++) {
ok = rules[i](state, line, endLine, false);
if (ok) {
if (prevLine >= state.line) throw new Error("block rule didn't increment state.line");
break;
}
}
if (!ok) throw new Error("none of the block rules matched");
state.tight = !hasEmptyLines;
if (state.isEmpty(state.line - 1)) hasEmptyLines = true;
line = state.line;
if (line < endLine && state.isEmpty(line)) {
hasEmptyLines = true;
line++;
state.line = line;
}
}
}
/**
* Process input string and push block tokens into `outTokens`
*/
parse(src, md, env, outTokens) {
if (!src) return;
const state = new this.State(src, md, env, outTokens);
this.tokenize(state, state.line, state.lineMax);
}
};
//#endregion
//#region src/rules_inline/state_inline.ts
/** Mutable state passed to inline rules while tokenizing inline content. */
var StateInline = class {
constructor(src, md, env, outTokens) {
_defineProperty(this, "pos", 0);
_defineProperty(this, "level", 0);
_defineProperty(this, "pending", "");
_defineProperty(this, "pendingLevel", 0);
_defineProperty(this, "cache", {});
_defineProperty(this, "backticks", {});
_defineProperty(this, "backticksScanned", false);
_defineProperty(this, "linkLevel", 0);
_defineProperty(this, "delimiters", []);
_defineProperty(this, "_prev_delimiters", []);
_defineProperty(this, "Token", Token);
this.src = src;
this.env = env;
this.md = md;
this.tokens = outTokens;
this.tokens_meta = Array(outTokens.length);
this.posMax = this.src.length;
}
pushPending() {
const token = new Token("text", "", 0);
token.content = this.pending;
token.level = this.pendingLevel;
this.tokens.push(token);
this.pending = "";
return token;
}
push(type, tag, nesting) {
if (this.pending) this.pushPending();
const token = new Token(type, tag, nesting);
let token_meta = void 0;
if (nesting < 0) {
this.level--;
this.delimiters = this._prev_delimiters.pop();
}
token.level = this.level;
if (nesting > 0) {
this.level++;
this._prev_delimiters.push(this.delimiters);
this.delimiters = [];
token_meta = { delimiters: this.delimiters };
}
this.pendingLevel = this.level;
this.tokens.push(token);
this.tokens_meta.push(token_meta);
return token;
}
scanDelims(start, canSplitWord) {
const max = this.posMax;
const marker = this.src.charCodeAt(start);
let lastChar;
if (start === 0) lastChar = 32;
else if (start === 1) {
lastChar = this.src.charCodeAt(0);
if ((lastChar & 63488) === 55296) lastChar = 65533;
} else {
lastChar = this.src.charCodeAt(start - 1);
if ((lastChar & 64512) === 56320) {
const highSurr = this.src.charCodeAt(start - 2);
lastChar = (highSurr & 64512) === 55296 ? 65536 + (highSurr - 55296 << 10) + (lastChar - 56320) : 65533;
} else if ((lastChar & 64512) === 55296) lastChar = 65533;
}
let pos = start;
while (pos < max && this.src.charCodeAt(pos) === marker) pos++;
const count = pos - start;
let nextChar = pos < max ? this.src.charCodeAt(pos) : 32;
if ((nextChar & 64512) === 55296) {
const lowSurr = this.src.charCodeAt(pos + 1);
nextChar = (lowSurr & 64512) === 56320 ? 65536 + (nextChar - 55296 << 10) + (lowSurr - 56320) : 65533;
} else if ((nextChar & 64512) === 56320) nextChar = 65533;
const isLastPunctChar = isMdAsciiPunct(lastChar) || isPunctCharCode(lastChar);
const isNextPunctChar = isMdAsciiPunct(nextChar) || isPunctCharCode(nextChar);
const isLastWhiteSpace = isWhiteSpace(lastChar);
const isNextWhiteSpace = isWhiteSpace(nextChar);
const left_flanking = !isNextWhiteSpace && (!isNextPunctChar || isLastWhiteSpace || isLastPunctChar);
const right_flanking = !isLastWhiteSpace && (!isLastPunctChar || isNextWhiteSpace || isNextPunctChar);
return {
can_open: left_flanking && (canSplitWord || !right_flanking || isLastPunctChar),
can_close: right_flanking && (canSplitWord || !left_flanking || isNextPunctChar),
length: count
};
}
};
//#endregion
//#region src/rules_inline/text.ts
function isTerminatorChar(ch) {
switch (ch) {
case 10:
case 33:
case 35:
case 36:
case 37:
case 38:
case 42:
case 43:
case 45:
case 58:
case 60:
case 61:
case 62:
case 64:
case 91:
case 92:
case 93:
case 94:
case 95:
case 96:
case 123:
case 125:
case 126: return true;
default: return false;
}
}
function text(state, silent) {
let pos = state.pos;
while (pos < state.posMax && !isTerminatorChar(state.src.charCodeAt(pos))) pos++;
if (pos === state.pos) return false;
if (!silent) state.pending += state.src.slice(state.pos, pos);
state.pos = pos;
return true;
}
//#endregion
//#region src/rules_inline/linkify.ts
function isAsciiAlpha(code) {
return code >= 65 && code <= 90 || code >= 97 && code <= 122;
}
function isSchemeChar(code) {
return code >= 65 && code <= 90 || code >= 97 && code <= 122 || code >= 48 && code <= 57 || code === 43 || code === 45 || code === 46;
}
function linkify(state, silent) {
if (!state.md.options.linkify) return false;
if (state.linkLevel > 0) return false;
const pos = state.pos;
const max = state.posMax;
if (pos + 3 > max) return false;
if (state.src.charCodeAt(pos) !== 58) return false;
if (state.src.charCodeAt(pos + 1) !== 47) return false;
if (state.src.charCodeAt(pos + 2) !== 47) return false;
const protoMin = pos - Math.min(10, state.pending.length, pos);
let protoStart = pos;
while (protoStart > protoMin && isSchemeChar(state.src.charCodeAt(protoStart - 1))) protoStart--;
if (protoStart === pos || !isAsciiAlpha(state.src.charCodeAt(protoStart))) return false;
const protoLength = pos - protoStart;
const link = state.md.linkify.matchAtStart(state.src.slice(protoStart));
if (!link) return false;
let url = link.url;
if (url.length <= protoLength) return false;
let urlEnd = url.length;
while (urlEnd > 0 && url.charCodeAt(urlEnd - 1) === 42) urlEnd--;
if (urlEnd !== url.length) url = url.slice(0, urlEnd);
const fullUrl = state.md.normalizeLink(url);
if (!state.md.validateLink(fullUrl)) return false;
if (!silent) {
state.pending = state.pending.slice(0, -protoLength);
const token_o = state.push("link_open", "a", 1);
token_o.attrs = [["href", fullUrl]];
token_o.markup = "linkify";
token_o.info = "auto";
const token_t = state.push("text", "", 0);
token_t.content = state.md.normalizeLinkText(url);
const token_c = state.push("link_close", "a", -1);
token_c.markup = "linkify";
token_c.info = "auto";
}
state.pos += url.length - protoLength;
return true;
}
//#endregion
//#region src/rules_inline/newline.ts
function newline(state, silent) {
let pos = state.pos;
if (state.src.charCodeAt(pos) !== 10) return false;
const pmax = state.pending.length - 1;
const max = state.posMax;
if (!silent) if (pmax >= 0 && state.pending.charCodeAt(pmax) === 32) if (pmax >= 1 && state.pending.charCodeAt(pmax - 1) === 32) {
let ws = pmax - 1;
while (ws >= 1 && state.pending.charCodeAt(ws - 1) === 32) ws--;
state.pending = state.pending.slice(0, ws);
state.push("hardbreak", "br", 0);
} else {
state.pending = state.pending.slice(0, -1);
state.push("softbreak", "br", 0);
}
else state.push("softbreak", "br", 0);
pos++;
while (pos < max && isSpace(state.src.charCodeAt(pos))) pos++;
state.pos = pos;
return true;
}
//#endregion
//#region src/rules_inline/escape.ts
var ESCAPED = [];
for (let i = 0; i < 256; i++) ESCAPED.push(0);
"\\!\"#$%&'()*+,./:;<=>?@[]^_`{|}~-".split("").forEach(function(ch) {
ESCAPED[ch.charCodeAt(0)] = 1;
});
function escape(state, silent) {
let pos = state.pos;
const max = state.posMax;
if (state.src.charCodeAt(pos) !== 92) return false;
pos++;
if (pos >= max) return false;
let ch1 = state.src.charCodeAt(pos);
if (ch1 === 10) {
if (!silent) state.push("hardbreak", "br", 0);
pos++;
while (pos < max) {
ch1 = state.src.charCodeAt(pos);
if (!isSpace(ch1)) break;
pos++;
}
state.pos = pos;
return true;
}
if (ch1 === 32) {
if (!silent) {
const token = state.push("text_special", "", 0);
token.content = "\\";
token.markup = "\\";
token.info = "escape";
}
state.pos = pos;
return true;
}
let escapedStr = state.src[pos];
if (ch1 >= 55296 && ch1 <= 56319 && pos + 1 < max) {
const ch2 = state.src.charCodeAt(pos + 1);
if (ch2 >= 56320 && ch2 <= 57343) {
escapedStr += state.src[pos + 1];
pos++;
}
}
const origStr = "\\" + escapedStr;
if (!silent) {
const token = state.push("text_special", "", 0);
if (ch1 < 256 && ESCAPED[ch1] !== 0) token.content = escapedStr;
else token.content = origStr;
token.markup = origStr;
token.info = "escape";
}
state.pos = pos + 1;
return true;
}
//#endregion
//#region src/rules_inline/backticks.ts
function buildLastRuns(src) {
const lastRuns = {};
let pos = 0;
while ((pos = src.indexOf("`", pos)) !== -1) {
const start = pos;
while (src.charCodeAt(++pos) === 96);
lastRuns[pos - start] = start;
}
return lastRuns;
}
function backtick(state, silent) {
var _state$backticks$open;
const start = state.pos;
if (state.src.charCodeAt(start) !== 96) return false;
const max = state.posMax;
let pos = start + 1;
while (pos < max && state.src.charCodeAt(pos) === 96) pos++;
const marker = state.src.slice(start, pos);
const openerLength = marker.length;
if (!state.backticksScanned) {
state.backticks = buildLastRuns(state.src);
state.backticksScanned = true;
}
if (((_state$backticks$open = state.backticks[openerLength]) !== null && _state$backticks$open !== void 0 ? _state$backticks$open : -1) >= pos) {
let matchEnd = pos;
let matchStart;
while ((matchStart = state.src.indexOf("`", matchEnd)) !== -1 && matchStart < max) {
matchEnd = matchStart + 1;
while (state.src.charCodeAt(matchEnd) === 96) matchEnd++;
if (matchEnd > max) break;
if (matchEnd - matchStart === openerLength) {
if (!silent) {
const token = state.push("code_inline", "code", 0);
token.markup = marker;
let content = state.src.slice(pos, matchStart).replace(/\n/g, " ");
if (content.startsWith(" ") && content.endsWith(" ") && /[^ ]/.test(content)) content = content.slice(1, -1);
token.content = content;
}
state.pos = matchEnd;
return true;
}
}
}
if (!silent) state.pending += marker;
state.pos = pos;
return true;
}
//#endregion
//#region src/rules_inline/strikethrough.ts
function strikethrough_tokenize(state, silent) {
const start = state.pos;
const marker = state.src.charCodeAt(start);
if (silent) return false;
if (marker !== 126) return false;
const scanned = state.scanDelims(state.pos, true);
let len = scanned.length;
const ch = String.fromCharCode(marker);
if (len < 2) return false;
let token;
if (len % 2) {
token = state.push("text", "", 0);
token.content = ch;
len--;
}
for (let i = 0; i < len; i += 2) {
token = state.push("text", "", 0);
token.content = ch + ch;
state.delimiters.push({
marker,
length: 0,
token: state.tokens.length - 1,
end: -1,
open: scanned.can_open,
close: scanned.can_close
});
}
state.pos += scanned.length;
return true;
}
function postProcess$1(state, delimiters) {
let token;
const loneMarkers = [];
const max = delimiters.length;
for (let i = 0; i < max; i++) {
const startDelim = delimiters[i];
if (startDelim.marker !== 126) continue;
if (startDelim.end === -1) continue;
const endDelim = delimiters[startDelim.end];
token = state.tokens[startDelim.token];
token.type = "s_open";
token.tag = "s";
token.nesting = 1;
token.markup = "~~";
token.content = "";
token = state.tokens[endDelim.token];
token.type = "s_close";
token.tag = "s";
token.nesting = -1;
token.markup = "~~";
token.content = "";
if (state.tokens[endDelim.token - 1].type === "text" && state.tokens[endDelim.token - 1].content === "~") loneMarkers.push(endDelim.token - 1);
}
while (loneMarkers.length) {
const i = loneMarkers.pop();
let j = i + 1;
while (j < state.tokens.length && state.tokens[j].type === "s_close") j++;
j--;
if (i !== j) {
token = state.tokens[j];
state.tokens[j] = state.tokens[i];
state.tokens[i] = token;
}
}
}
function strikethrough_postProcess(state) {
const tokens_meta = state.tokens_meta;
const max = state.tokens_meta.length;
postProcess$1(state, state.delimiters);
for (let curr = 0; curr < max; curr++) {
var _tokens_meta$curr;
const delimiters = (_tokens_meta$curr = tokens_meta[curr]) === null || _tokens_meta$curr === void 0 ? void 0 : _tokens_meta$curr.delimiters;
if (delimiters) postProcess$1(state, delimiters);
}
}
var strikethrough_default = {
tokenize: strikethrough_tokenize,
postProcess: strikethrough_postProcess
};
//#endregion
//#region src/rules_inline/emphasis.ts
function emphasis_tokenize(state, silent) {
const start = state.pos;
const marker = state.src.charCodeAt(start);
if (silent) return false;
if (marker !== 95 && marker !== 42) return false;
const scanned = state.scanDelims(state.pos, marker === 42);
for (let i = 0; i < scanned.length; i++) {
const token = state.push("text", "", 0);
token.content = String.fromCharCode(marker);
state.delimiters.push({
marker,
length: scanned.length,
token: state.tokens.length - 1,
end: -1,
open: scanned.can_open,
close: scanned.can_close
});
}
state.pos += scanned.length;
return true;
}
function postProcess(state, delimiters) {
const max = delimiters.length;
for (let i = max - 1; i >= 0; i--) {
const startDelim = delimiters[i];
if (startDelim.marker !== 95 && startDelim.marker !== 42) continue;
if (startDelim.end === -1) continue;
const endDelim = delimiters[startDelim.end];
const isStrong = i > 0 && delimiters[i - 1].end === startDelim.end + 1 && delimiters[i - 1].marker === startDelim.marker && delimiters[i - 1].token === startDelim.token - 1 && delimiters[startDelim.end + 1].token === endDelim.token + 1;
const ch = String.fromCharCode(startDelim.marker);
const token_o = state.tokens[startDelim.token];
token_o.type = isStrong ? "strong_open" : "em_open";
token_o.tag = isStrong ? "strong" : "em";
token_o.nesting = 1;
token_o.markup = isStrong ? ch + ch : ch;
token_o.content = "";
const token_c = state.tokens[endDelim.token];
token_c.type = isStrong ? "strong_close" : "em_close";
token_c.tag = isStrong ? "strong" : "em";
token_c.nesting = -1;
token_c.markup = isStrong ? ch + ch : ch;
token_c.content = "";
if (isStrong) {
state.tokens[delimiters[i - 1].token].content = "";
state.tokens[delimiters[startDelim.end + 1].token].content = "";
i--;
}
}
}
function emphasis_post_process(state) {
const tokens_meta = state.tokens_meta;
const max = state.tokens_meta.length;
postProcess(state, state.delimiters);
for (let curr = 0; curr < max; curr++) {
var _tokens_meta$curr;
const delimiters = (_tokens_meta$curr = tokens_meta[curr]) === null || _tokens_meta$curr === void 0 ? void 0 : _tokens_meta$curr.delimiters;
if (delimiters) postProcess(state, delimiters);
}
}
var emphasis_default = {
tokenize: emphasis_tokenize,
postProcess: emphasis_post_process
};
//#endregion
//#region src/rules_inline/link.ts
function link(state, silent) {
let code, label, res, ref;
let href = "";
let title = "";
let start = state.pos;
let parseReference = true;
if (state.src.charCodeAt(state.pos) !== 91) return false;
const oldPos = state.pos;
const max = state.posMax;
const labelStart = state.pos + 1;
const labelEnd = state.md.helpers.parseLinkLabel(state, state.pos, true);
if (labelEnd < 0) return false;
let pos = labelEnd + 1;
if (pos < max && state.src.charCodeAt(pos) === 40) {
parseReference = false;
pos++;
for (; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (!isSpace(code) && code !== 10) break;
}
if (pos >= max) return false;
start = pos;
res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);
if (res.ok) {
href = state.md.normalizeLink(res.str);
if (state.md.validateLink(href)) pos = res.pos;
else href = "";
start = pos;
for (; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (!isSpace(code) && code !== 10) break;
}
res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);
if (pos < max && start !== pos && res.ok) {
title = res.str;
pos = res.pos;
for (; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (!isSpace(code) && code !== 10) break;
}
}
}
if (pos >= max || state.src.charCodeAt(pos) !== 41) parseReference = true;
pos++;
}
if (parseReference) {
if (typeof state.env.references === "undefined") return false;
if (pos < max && state.src.charCodeAt(pos) === 91) {
start = pos + 1;
pos = state.md.helpers.parseLinkLabel(state, pos);
if (pos >= 0) label = state.src.slice(start, pos++);
else pos = labelEnd + 1;
} else pos = labelEnd + 1;
if (!label) label = state.src.slice(labelStart, labelEnd);
label = normalizeReference(label);
ref = state.env.references[label];
if (!ref) {
state.pos = oldPos;
return false;
}
href = ref.href;
title = ref.title;
}
if (!silent) {
state.pos = labelStart;
state.posMax = labelEnd;
const token_o = state.push("link_open", "a", 1);
const attrs = [["href", href]];
token_o.attrs = attrs;
if (title) attrs.push(["title", title]);
if (label) {
const meta = Object.create(null);
meta.label = label;
token_o.meta = meta;
}
state.linkLevel++;
state.md.inline.tokenize(state);
state.linkLevel--;
state.push("link_close", "a", -1);
}
state.pos = pos;
state.posMax = max;
return true;
}
//#endregion
//#region src/rules_inline/image.ts
function image(state, silent) {
let code, content, label, pos, ref, res, title, start;
let href = "";
const oldPos = state.pos;
const max = state.posMax;
if (state.src.charCodeAt(state.pos) !== 33) return false;
if (state.src.charCodeAt(state.pos + 1) !== 91) return false;
const labelStart = state.pos + 2;
const labelEnd = state.md.helpers.parseLinkLabel(state, state.pos + 1, false);
if (labelEnd < 0) return false;
pos = labelEnd + 1;
if (pos < max && state.src.charCodeAt(pos) === 40) {
pos++;
for (; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (!isSpace(code) && code !== 10) break;
}
if (pos >= max) return false;
start = pos;
res = state.md.helpers.parseLinkDestination(state.src, pos, state.posMax);
if (res.ok) {
href = state.md.normalizeLink(res.str);
if (state.md.validateLink(href)) pos = res.pos;
else href = "";
}
start = pos;
for (; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (!isSpace(code) && code !== 10) break;
}
res = state.md.helpers.parseLinkTitle(state.src, pos, state.posMax);
if (pos < max && start !== pos && res.ok) {
title = res.str;
pos = res.pos;
for (; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (!isSpace(code) && code !== 10) break;
}
} else title = "";
if (pos >= max || state.src.charCodeAt(pos) !== 41) {
state.pos = oldPos;
return false;
}
pos++;
} else {
if (typeof state.env.references === "undefined") return false;
if (pos < max && state.src.charCodeAt(pos) === 91) {
start = pos + 1;
pos = state.md.helpers.parseLinkLabel(state, pos);
if (pos >= 0) label = state.src.slice(start, pos++);
else pos = labelEnd + 1;
} else pos = labelEnd + 1;
if (!label) label = state.src.slice(labelStart, labelEnd);
label = normalizeReference(label);
ref = state.env.references[label];
if (!ref) {
state.pos = oldPos;
return false;
}
href = ref.href;
title = ref.title;
}
if (!silent) {
content = state.src.slice(labelStart, labelEnd);
const tokens = [];
state.md.inline.parse(content, state.md, state.env, tokens);
const token = state.push("image", "img", 0);
const attrs = [["src", href], ["alt", ""]];
token.attrs = attrs;
token.children = tokens;
token.content = content;
if (title) attrs.push(["title", title]);
if (label) {
const meta = Object.create(null);
meta.label = label;
token.meta = meta;
}
}
state.pos = pos;
state.posMax = max;
return true;
}
//#endregion
//#region src/rules_inline/autolink.ts
var EMAIL_RE = /^([a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$/;
var AUTOLINK_RE = /^([a-zA-Z][a-zA-Z0-9+.-]{1,31}):([^<>\x00-\x20]*)$/;
function autolink(state, silent) {
let pos = state.pos;
if (state.src.charCodeAt(pos) !== 60) return false;
const start = state.pos;
const max = state.posMax;
for (;;) {
if (++pos >= max) return false;
const ch = state.src.charCodeAt(pos);
if (ch === 60) return false;
if (ch === 62) break;
}
const url = state.src.slice(start + 1, pos);
if (AUTOLINK_RE.test(url)) {
const fullUrl = state.md.normalizeLink(url);
if (!state.md.validateLink(fullUrl)) return false;
if (!silent) {
const token_o = state.push("link_open", "a", 1);
token_o.attrs = [["href", fullUrl]];
token_o.markup = "autolink";
token_o.info = "auto";
const token_t = state.push("text", "", 0);
token_t.content = state.md.normalizeLinkText(url);
const token_c = state.push("link_close", "a", -1);
token_c.markup = "autolink";
token_c.info = "auto";
}
state.pos += url.length + 2;
return true;
}
if (EMAIL_RE.test(url)) {
const fullUrl = state.md.normalizeLink(`mailto:${url}`);
if (!state.md.validateLink(fullUrl)) return false;
if (!silent) {
const token_o = state.push("link_open", "a", 1);
token_o.attrs = [["href", fullUrl]];
token_o.markup = "autolink";
token_o.info = "auto";
const token_t = state.push("text", "", 0);
token_t.content = state.md.normalizeLinkText(url);
const token_c = state.push("link_close", "a", -1);
token_c.markup = "autolink";
token_c.info = "auto";
}
state.pos += url.length + 2;
return true;
}
return false;
}
//#endregion
//#region src/rules_inline/html_inline.ts
function isLinkOpen(str) {
return /^<a[>\s]/i.test(str);
}
function isLinkClose(str) {
return /^<\/a\s*>/i.test(str);
}
function isLetter(ch) {
const lc = ch | 32;
return lc >= 97 && lc <= 122;
}
function html_inline(state, silent) {
if (!state.md.options.html) return false;
const max = state.posMax;
const pos = state.pos;
if (state.src.charCodeAt(pos) !== 60 || pos + 2 >= max) return false;
const ch = state.src.charCodeAt(pos + 1);
if (ch !== 33 && ch !== 63 && ch !== 47 && !isLetter(ch)) return false;
const match = state.src.slice(pos).match(HTML_TAG_RE);
if (!match) return false;
if (!silent) {
const token = state.push("html_inline", "", 0);
token.content = match[0];
if (isLinkOpen(token.content)) state.linkLevel++;
if (isLinkClose(token.content)) state.linkLevel--;
}
state.pos += match[0].length;
return true;
}
//#endregion
//#region src/rules_inline/entity.ts
var DIGITAL_RE = /^&#((?:x[a-f0-9]{1,6}|[0-9]{1,7}));/i;
var NAMED_RE = /^&([a-z][a-z0-9]{1,31});/i;
function entity(state, silent) {
const pos = state.pos;
const max = state.posMax;
if (state.src.charCodeAt(pos) !== 38) return false;
if (pos + 1 >= max) return false;
if (state.src.charCodeAt(pos + 1) === 35) {
const match = state.src.slice(pos).match(DIGITAL_RE);
if (match) {
if (!silent) {
const code = match[1][0].toLowerCase() === "x" ? parseInt(match[1].slice(1), 16) : parseInt(match[1], 10);
const token = state.push("text_special", "", 0);
token.content = isValidEntityCode(code) ? fromCodePoint(code) : fromCodePoint(65533);
token.markup = match[0];
token.info = "entity";
}
state.pos += match[0].length;
return true;
}
} else {
const match = state.src.slice(pos).match(NAMED_RE);
if (match) {
const decoded = decodeHTMLStrict(match[0]);
if (decoded !== match[0]) {
if (!silent) {
const token = state.push("text_special", "", 0);
token.content = decoded;
token.markup = match[0];
token.info = "entity";
}
state.pos += match[0].length;
return true;
}
}
}
return false;
}
//#endregion
//#region src/rules_inline/balance_pairs.ts
function processDelimiters(delimiters) {
const openersBottom = {};
const max = delimiters.length;
if (!max) return;
let headerIdx = 0;
let lastTokenIdx = -2;
const jumps = [];
for (let closerIdx = 0; closerIdx < max; closerIdx++) {
const closer = delimiters[closerIdx];
jumps.push(0);
if (delimiters[headerIdx].marker !== closer.marker || lastTokenIdx !== closer.token - 1) headerIdx = closerIdx;
lastTokenIdx = closer.token;
closer.length = closer.length || 0;
if (!closer.close) continue;
if (!openersBottom.hasOwnProperty(closer.marker)) openersBottom[closer.marker] = [
-1,
-1,
-1,
-1,
-1,
-1
];
const minOpenerIdx = openersBottom[closer.marker][(closer.open ? 3 : 0) + closer.length % 3];
let openerIdx = headerIdx - jumps[headerIdx] - 1;
let newMinOpenerIdx = openerIdx;
for (; openerIdx > minOpenerIdx; openerIdx -= jumps[openerIdx] + 1) {
const opener = delimiters[openerIdx];
if (opener.marker !== closer.marker) continue;
if (opener.open && opener.end < 0) {
let isOddMatch = false;
if (opener.close || closer.open) {
if ((opener.length + closer.length) % 3 === 0) {
if (opener.length % 3 !== 0 || closer.length % 3 !== 0) isOddMatch = true;
}
}
if (!isOddMatch) {
const lastJump = openerIdx > 0 && !delimiters[openerIdx - 1].open ? jumps[openerIdx - 1] + 1 : 0;
jumps[closerIdx] = closerIdx - openerIdx + lastJump;
jumps[openerIdx] = lastJump;
closer.open = false;
opener.end = closerIdx;
opener.close = false;
newMinOpenerIdx = -1;
lastTokenIdx = -2;
break;
}
}
}
if (newMinOpenerIdx !== -1) openersBottom[closer.marker][(closer.open ? 3 : 0) + (closer.length || 0) % 3] = newMinOpenerIdx;
}
}
function link_pairs(state) {
const tokens_meta = state.tokens_meta;
const max = state.tokens_meta.length;
processDelimiters(state.delimiters);
for (let curr = 0; curr < max; curr++) {
var _tokens_meta$curr;
const delimiters = (_tokens_meta$curr = tokens_meta[curr]) === null || _tokens_meta$curr === void 0 ? void 0 : _tokens_meta$curr.delimiters;
if (delimiters) processDelimiters(delimiters);
}
}
//#endregion
//#region src/rules_inline/fragments_join.ts
function fragments_join(state) {
let curr, last;
let level = 0;
const tokens = state.tokens;
const max = state.tokens.length;
for (curr = last = 0; curr < max; curr++) {
if (tokens[curr].nesting < 0) level--;
tokens[curr].level = level;
if (tokens[curr].nesting > 0) level++;
if (tokens[curr].type === "text" && curr + 1 < max && tokens[curr + 1].type === "text") tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;
else {
if (curr !== last) tokens[last] = tokens[curr];
last++;
}
}
if (curr !== last) tokens.length = last;
}
//#endregion
//#region src/parser_inline.ts
var _rules = [
["text", text],
["linkify", linkify],
["newline", newline],
["escape", escape],
["backticks", backtick],
["strikethrough", strikethrough_default.tokenize],
["emphasis", emphasis_default.tokenize],
["link", link],
["image", image],
["autolink", autolink],
["html_inline", html_inline],
["entity", entity]
];
var _rules2 = [
["balance_pairs", link_pairs],
["strikethrough", strikethrough_default.postProcess],
["emphasis", emphasis_default.postProcess],
["fragments_join", fragments_join]
];
/**
* Tokenizes paragraph content.
*/
var ParserInline = class {
constructor() {
_defineProperty(
this,
/**
* {@link Ruler} instance. Keep configuration of inline rules.
*/
"ruler",
new Ruler()
);
_defineProperty(
this,
/**
* {@link Ruler} instance. Second ruler used for post-processing
* (e.g. in emphasis-like rules).
*/
"ruler2",
new Ruler()
);
_defineProperty(this, "State", StateInline);
for (let i = 0; i < _rules.length; i++) this.ruler.push(_rules[i][0], _rules[i][1]);
for (let i = 0; i < _rules2.length; i++) this.ruler2.push(_rules2[i][0], _rules2[i][1]);
}
skipToken(state) {
const pos = state.pos;
const rules = this.ruler.getRules("");
const len = rules.length;
const maxNesting = state.md.options.maxNesting;
const cache = state.cache;
if (typeof cache[pos] !== "undefined") {
state.pos = cache[pos];
return;
}
let ok = false;
if (state.level < maxNesting) for (let i = 0; i < len; i++) {
state.level++;
ok = rules[i](state, true);
state.level--;
if (ok) {
if (pos >= state.pos) throw new Error("inline rule didn't increment state.pos");
break;
}
}
else state.pos = state.posMax;
if (!ok) state.pos++;
cache[pos] = state.pos;
}
tokenize(state) {
const rules = this.ruler.getRules("");
const len = rules.length;
const end = state.posMax;
const maxNesting = state.md.options.maxNesting;
while (state.pos < end) {
const prevPos = state.pos;
let ok = false;
if (state.level < maxNesting) for (let i = 0; i < len; i++) {
ok = rules[i](state, false);
if (ok) {
if (prevPos >= state.pos) throw new Error("inline rule didn't increment state.pos");
break;
}
}
if (ok) {
if (state.pos >= end) break;
continue;
}
state.pending += state.src[state.pos++];
}
if (state.pending) state.pushPending();
}
/**
* Process input string and push inline tokens into `outTokens`
*/
parse(str, md, env, outTokens) {
const state = new this.State(str, md, env, outTokens);
this.tokenize(state);
const rules = this.ruler2.getRules("");
const len = rules.length;
for (let i = 0; i < len; i++) rules[i](state);
}
};
//#endregion
//#region src/markdownit.ts
var config = {
default: {
options: {
html: false,
xhtmlOut: false,
breaks: false,
langPrefix: "language-",
linkify: false,
typographer: false,
quotes: "“”‘’",
highlight: null,
maxNesting: 100
},
components: {
core: {},
block: {},
inline: {}
}
},
zero: {
options: {
html: false,
xhtmlOut: false,
breaks: false,
langPrefix: "language-",
linkify: false,
typographer: false,
quotes: "“”‘’",
highlight: null,
maxNesting: 20
},
components: {
core: { rules: [
"normalize",
"block",
"strip_references",
"inline",
"text_join"
] },
block: { rules: ["paragraph"] },
inline: {
rules: ["text"],
rules2: ["balance_pairs", "fragments_join"]
}
}
},
commonmark: {
options: {
html: true,
xhtmlOut: true,
breaks: false,
langPrefix: "language-",
linkify: false,
typographer: false,
quotes: "“”‘’",
highlight: null,
maxNesting: 20
},
components: {
core: { rules: [
"normalize",
"block",
"strip_references",
"inline",
"text_join"
] },
block: { rules: [
"blockquote",
"code",
"fence",
"heading",
"hr",
"html_block",
"lheading",
"list",
"reference",
"paragraph"
] },
inline: {
rules: [
"autolink",
"backticks",
"emphasis",
"entity",
"escape",
"html_inline",
"image",
"link",
"newline",
"text"
],
rules2: [
"balance_pairs",
"emphasis",
"fragments_join"
]
}
}
}
};
var BAD_PROTO_RE = /^(vbscript|javascript|file|data):/;
var GOOD_DATA_RE = /^data:image\/(gif|png|jpeg|webp);/;
var RECODE_HOSTNAME_FOR = [
"http:",
"https:",
"mailto:"
];
/**
* Parses Markdown into tokens and renders them to HTML.
*
* @category Main
*/
var MarkdownIt = class {
/**
* Link validation function. CommonMark allows too much in links. By default
* we disable `javascript:`, `vbscript:`, `file:` schemas, and almost all `data:...` schemas
* except some embedded image types.
*
* You can change this behaviour:
*
* @example
* ```javascript
* import MarkdownIt from 'markdown-it'
* const md = new MarkdownIt()
*
* // enable everything
* md.validateLink = function () { return true; }
* ```
*/
validateLink(url) {
const str = url.trim().toLowerCase();
return BAD_PROTO_RE.test(str) ? GOOD_DATA_RE.test(str) : true;
}
/**
* Function used to encode link url to a machine-readable format,
* which includes url-encoding, punycode, etc.
*/
normalizeLink(url) {
const parsed = mdurl.parse(url, true);
if (parsed.hostname) {
if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) try {
parsed.hostname = punycode.toASCII(parsed.hostname);
} catch (er) {}
}
if (parsed.auth) parsed.auth = mdurl.encode(parsed.auth);
if (parsed.hostname) parsed.hostname = mdurl.encode(parsed.hostname);
if (parsed.pathname) parsed.pathname = mdurl.encode(parsed.pathname);
if (parsed.search) parsed.search = mdurl.encode(parsed.search);
if (parsed.hash) parsed.hash = mdurl.encode(parsed.hash);
return mdurl.format(parsed);
}
/**
* Function used to decode link url to a human-readable format`
*/
normalizeLinkText(url) {
const parsed = mdurl.parse(url, true);
if (parsed.hostname) {
if (!parsed.protocol || RECODE_HOSTNAME_FOR.indexOf(parsed.protocol) >= 0) try {
parsed.hostname = punycode.toUnicode(parsed.hostname);
} catch (er) {}
}
return mdurl.decode(mdurl.format(parsed), mdurl.decode.defaultChars + "%");
}
constructor(...args) {
_defineProperty(
this,
/**
* Instance of {@link ParserInline}. You may need it to add new rules when
* writing plugins. For simple rules control use {@link MarkdownIt.disable}
* and {@link MarkdownIt.enable}.
*/
"inline",
new ParserInline()
);
_defineProperty(
this,
/**
* Instance of {@link ParserBlock}. You may need it to add new rules when
* writing plugins. For simple rules control use {@link MarkdownIt.disable}
* and {@link MarkdownIt.enable}.
*/
"block",
new ParserBlock()
);
_defineProperty(
this,
/**
* Instance of {@link ParserCore} chain executor. You may need it to add new
* rules when writing plugins. For simple rules control use
* {@link MarkdownIt.disable} and {@link MarkdownIt.enable}.
*/
"core",
new ParserCore()
);
_defineProperty(
this,
/**
* Instance of {@link Renderer}. Use it to modify output look. Or to add rendering
* rules for new token types, generated by plugins.
*
* See {@link Renderer} docs and
* [source code](https://github.com/markdown-it/markdown-it/blob/master/src/renderer.ts).
*
* @example
* ```javascript
* import MarkdownIt from 'markdown-it'
* const md = new MarkdownIt()
*
* function myToken(tokens, idx, options, env, self) {
* //...
* return result;
* };
*
* md.renderer.rules['my_token'] = myToken
* ```
*/
"renderer",
new Renderer()
);
_defineProperty(
this,
/**
* [linkify-it](https://github.com/markdown-it/linkify-it) instance.
* Used by [linkify](https://github.com/markdown-it/markdown-it/blob/master/src/rules_core/linkify.ts)
* rule.
*/
"linkify",
new LinkifyIt()
);
_defineProperty(
this,
/**
* Assorted utility functions, useful to write plugins. See details
* [here](https://github.com/markdown-it/markdown-it/blob/master/src/common/utils.ts).
*/
"utils",
utils_exports
);
_defineProperty(
this,
/**
* Link components parser functions, useful to write plugins. See details
* [here](https://github.com/markdown-it/markdown-it/blob/master/src/helpers).
*/
"helpers",
Object.assign({}, helpers_exports)
);
const [presetNameOrOptions, options] = args;
if (typeof presetNameOrOptions === "string") {
this.configure(presetNameOrOptions);
if (options) this.set(options);
} else {
this.configure("default");
this.set(presetNameOrOptions || {});
}
}
/**
* Set parser options (in the same format as in constructor). Probably, you
* will never need it, but you can change options after constructor call.
*
* __Note:__ To achieve the best possible performance, don't modify a
* `markdown-it` instance options on the fly. If you need multiple configurations
* it's best to create multiple instances and initialize each with separate
* config.
*
* @example
* ```javascript
* import MarkdownIt from 'markdown-it'
*
* const md = new MarkdownIt()
* .set({ html: true, breaks: true })
* .set({ typographer: true })
* ```
*/
set(options) {
Object.assign(this.options, options);
return this;
}
/**
* Batch load of all options and compenent settings. This is internal method,
* and you probably will not need it. But if you will - see available presets
* and data structure [here](https://github.com/markdown-it/markdown-it/tree/master/src/presets)
*
* We strongly recommend to use presets instead of direct config loads. That
* will give better compatibility with next versions.
*/
configure(presets) {
let p;
if (typeof presets === "string") {
const presetName = presets;
p = config[presetName];
if (!p) throw new Error(`Wrong 'markdown-it' preset "${presetName}", check name`);
} else p = presets;
if (!p) throw new Error("Wrong `markdown-it` preset, can't be empty");
if (p.options) this.options = { ...p.options };
const components = p.components;
if (components) {
var _components$inline;
[
"core",
"block",
"inline"
].forEach((name) => {
var _components$name;
const rules = (_components$name = components[name]) === null || _components$name === void 0 ? void 0 : _components$name.rules;
if (rules) this[name].ruler.enableOnly(rules);
});
const rules2 = (_components$inline = components.inline) === null || _components$inline === void 0 ? void 0 : _components$inline.rules2;
if (rules2) this.inline.ruler2.enableOnly(rules2);
}
return this;
}
/**
* Enable list or rules. It will automatically find appropriate components,
* containing rules with given names. If rule not found, and `ignoreInvalid`
* not set - throws exception.
*
* @example
* ```javascript
* import MarkdownIt from 'markdown-it'
*
* const md = new MarkdownIt()
* .enable(['sub', 'sup'])
* .disable('smartquotes')
* ```
*/
enable(list, ignoreInvalid = false) {
let result = [];
if (!Array.isArray(list)) list = [list];
[
"core",
"block",
"inline"
].forEach((chain) => {
result = result.concat(this[chain].ruler.enable(list, true));
});
result = result.concat(this.inline.ruler2.enable(list, true));
const missed = list.filter((name) => result.indexOf(name) < 0);
if (missed.length && !ignoreInvalid) throw new Error(`MarkdownIt. Failed to enable unknown rule(s): ${missed}`);
return this;
}
/**
* The same as {@link MarkdownIt.enable}, but turn specified rules off.
*/
disable(list, ignoreInvalid = false) {
let result = [];
if (!Array.isArray(list)) list = [list];
[
"core",
"block",
"inline"
].forEach((chain) => {
result = result.concat(this[chain].ruler.disable(list, true));
});
result = result.concat(this.inline.ruler2.disable(list, true));
const missed = list.filter((name) => result.indexOf(name) < 0);
if (missed.length && !ignoreInvalid) throw new Error(`MarkdownIt. Failed to disable unknown rule(s): ${missed}`);
return this;
}
/**
* Load specified plugin with given params into current parser instance.
* It's just a sugar to call `plugin(md, params)` with curring.
*
* @example
* ```javascript
* import MarkdownIt from 'markdown-it'
* import iterator from 'markdown-it-for-inline'
*
* const md = new MarkdownIt()
* .use(iterator, 'foo_replace', 'text', function (tokens, idx) {
* tokens[idx].content = tokens[idx].content.replace(/foo/g, 'bar')
* })
* ```
*/
use(plugin, ...params) {
plugin.apply(plugin, [this, ...params]);
return this;
}
/**
* Parse input string and return list of block tokens (special token type
* "inline" will contain list of inline tokens). You should not call this
* method directly, until you write custom renderer (for example, to produce
* AST).
*
* `env` is used to pass data between "distributed" rules and return additional
* metadata like reference info, needed for the renderer. It also can be used to
* inject data in specific cases. Usually, you will be ok to pass `{}`,
* and then pass updated object to renderer.
*/
parse(src, env) {
if (typeof src !== "string") throw new Error("Input data should be a String");
const state = new this.core.State(src, this, env);
this.core.process(state);
return state.tokens;
}
/**
* Render markdown string into html. It does all magic for you :).
*
* `env` can be used to inject additional metadata (`{}` by default).
* But you will not need it with high probability. See also comment
* in {@link MarkdownIt.parse}.
*/
render(src, env = {}) {
return this.renderer.render(this.parse(src, env), this.options, env);
}
/**
* The same as {@link MarkdownIt.parse} but skip all block rules. It returns
* the block tokens list with the single `inline` element, containing parsed
* inline tokens in `children` property. Also updates `env` object.
*/
parseInline(src, env) {
const state = new this.core.State(src, this, env);
state.inlineMode = true;
this.core.process(state);
return state.tokens;
}
/**
* Similar to {@link MarkdownIt.render} but for single paragraph content.
* Result will NOT be wrapped into `<p>` tags.
*/
renderInline(src, env = {}) {
return this.renderer.render(this.parseInline(src, env), this.options, env);
}
};
_defineProperty(MarkdownIt, "Token", Token);
_defineProperty(MarkdownIt, "Ruler", Ruler);
_defineProperty(MarkdownIt, "Renderer", Renderer);
_defineProperty(MarkdownIt, "ParserCore", ParserCore);
_defineProperty(MarkdownIt, "StateCore", StateCore);
_defineProperty(MarkdownIt, "ParserBlock", ParserBlock);
_defineProperty(MarkdownIt, "StateBlock", StateBlock);
_defineProperty(MarkdownIt, "ParserInline", ParserInline);
_defineProperty(MarkdownIt, "StateInline", StateInline);
//#endregion
//#region src/index.ts
/**
* Default package export.
*
* For backward compatibility, the {@link MarkdownIt} class is wrapped so
* legacy code can call it without `new`. New code should instantiate it as a
* regular class with `new`. The compatibility wrapper may be removed in a
* future release.
*
* @category Main
*/
var MarkdownItCallable = callable(MarkdownIt);
//#endregion
export { MarkdownItCallable as default };
//# sourceMappingURL=markdown-it.mjs.map