vue-simple-range-slider
Version:
Change Your numeric value or numeric range value with dragging handles
8,817 lines • 306 kB
JavaScript
import { A as getAugmentedNamespace, B as getDefaultExportFromCjs } from './dep-c6273c7a.js';
import { fileURLToPath as __cjs_fileURLToPath } from 'node:url';
import { dirname as __cjs_dirname } from 'node:path';
import { createRequire as __cjs_createRequire } from 'node:module';
const __filename = __cjs_fileURLToPath(import.meta.url);
const __dirname = __cjs_dirname(__filename);
const require = __cjs_createRequire(import.meta.url);
const __require = require;
function _mergeNamespaces(n, m) {
for (var i = 0; i < m.length; i++) {
var e = m[i];
if (typeof e !== 'string' && !Array.isArray(e)) { for (var k in e) {
if (k !== 'default' && !(k in n)) {
n[k] = e[k];
}
} }
}
return n;
}
var compilerDom_cjs$2 = {};
/**
* Make a map and return a function for checking if a key
* is in that map.
* IMPORTANT: all calls of this function must be prefixed with
* \/\*#\_\_PURE\_\_\*\/
* So that rollup can tree-shake them if necessary.
*/
function makeMap(str, expectsLowerCase) {
const map = Object.create(null);
const list = str.split(',');
for (let i = 0; i < list.length; i++) {
map[list[i]] = true;
}
return expectsLowerCase ? val => !!map[val.toLowerCase()] : val => !!map[val];
}
/**
* dev only flag -> name mapping
*/
const PatchFlagNames = {
[1 /* TEXT */]: `TEXT`,
[2 /* CLASS */]: `CLASS`,
[4 /* STYLE */]: `STYLE`,
[8 /* PROPS */]: `PROPS`,
[16 /* FULL_PROPS */]: `FULL_PROPS`,
[32 /* HYDRATE_EVENTS */]: `HYDRATE_EVENTS`,
[64 /* STABLE_FRAGMENT */]: `STABLE_FRAGMENT`,
[128 /* KEYED_FRAGMENT */]: `KEYED_FRAGMENT`,
[256 /* UNKEYED_FRAGMENT */]: `UNKEYED_FRAGMENT`,
[512 /* NEED_PATCH */]: `NEED_PATCH`,
[1024 /* DYNAMIC_SLOTS */]: `DYNAMIC_SLOTS`,
[2048 /* DEV_ROOT_FRAGMENT */]: `DEV_ROOT_FRAGMENT`,
[-1 /* HOISTED */]: `HOISTED`,
[-2 /* BAIL */]: `BAIL`
};
/**
* Dev only
*/
const slotFlagsText = {
[1 /* STABLE */]: 'STABLE',
[2 /* DYNAMIC */]: 'DYNAMIC',
[3 /* FORWARDED */]: 'FORWARDED'
};
const GLOBALS_WHITE_LISTED = 'Infinity,undefined,NaN,isFinite,isNaN,parseFloat,parseInt,decodeURI,' +
'decodeURIComponent,encodeURI,encodeURIComponent,Math,Number,Date,Array,' +
'Object,Boolean,String,RegExp,Map,Set,JSON,Intl,BigInt';
const isGloballyWhitelisted = /*#__PURE__*/ makeMap(GLOBALS_WHITE_LISTED);
const range = 2;
function generateCodeFrame(source, start = 0, end = source.length) {
// Split the content into individual lines but capture the newline sequence
// that separated each line. This is important because the actual sequence is
// needed to properly take into account the full line length for offset
// comparison
let lines = source.split(/(\r?\n)/);
// Separate the lines and newline sequences into separate arrays for easier referencing
const newlineSequences = lines.filter((_, idx) => idx % 2 === 1);
lines = lines.filter((_, idx) => idx % 2 === 0);
let count = 0;
const res = [];
for (let i = 0; i < lines.length; i++) {
count +=
lines[i].length +
((newlineSequences[i] && newlineSequences[i].length) || 0);
if (count >= start) {
for (let j = i - range; j <= i + range || end > count; j++) {
if (j < 0 || j >= lines.length)
continue;
const line = j + 1;
res.push(`${line}${' '.repeat(Math.max(3 - String(line).length, 0))}| ${lines[j]}`);
const lineLength = lines[j].length;
const newLineSeqLength = (newlineSequences[j] && newlineSequences[j].length) || 0;
if (j === i) {
// push underline
const pad = start - (count - (lineLength + newLineSeqLength));
const length = Math.max(1, end > count ? lineLength - pad : end - start);
res.push(` | ` + ' '.repeat(pad) + '^'.repeat(length));
}
else if (j > i) {
if (end > count) {
const length = Math.max(Math.min(end - count, lineLength), 1);
res.push(` | ` + '^'.repeat(length));
}
count += lineLength + newLineSeqLength;
}
}
break;
}
}
return res.join('\n');
}
/**
* On the client we only need to offer special cases for boolean attributes that
* have different names from their corresponding dom properties:
* - itemscope -> N/A
* - allowfullscreen -> allowFullscreen
* - formnovalidate -> formNoValidate
* - ismap -> isMap
* - nomodule -> noModule
* - novalidate -> noValidate
* - readonly -> readOnly
*/
const specialBooleanAttrs = `itemscope,allowfullscreen,formnovalidate,ismap,nomodule,novalidate,readonly`;
const isSpecialBooleanAttr = /*#__PURE__*/ makeMap(specialBooleanAttrs);
/**
* The full list is needed during SSR to produce the correct initial markup.
*/
const isBooleanAttr = /*#__PURE__*/ makeMap(specialBooleanAttrs +
`,async,autofocus,autoplay,controls,default,defer,disabled,hidden,` +
`loop,open,required,reversed,scoped,seamless,` +
`checked,muted,multiple,selected`);
/**
* Boolean attributes should be included if the value is truthy or ''.
* e.g. `<select multiple>` compiles to `{ multiple: '' }`
*/
function includeBooleanAttr(value) {
return !!value || value === '';
}
const unsafeAttrCharRE = /[>/="'\u0009\u000a\u000c\u0020]/;
const attrValidationCache = {};
function isSSRSafeAttrName(name) {
if (attrValidationCache.hasOwnProperty(name)) {
return attrValidationCache[name];
}
const isUnsafe = unsafeAttrCharRE.test(name);
if (isUnsafe) {
console.error(`unsafe attribute name: ${name}`);
}
return (attrValidationCache[name] = !isUnsafe);
}
const propsToAttrMap = {
acceptCharset: 'accept-charset',
className: 'class',
htmlFor: 'for',
httpEquiv: 'http-equiv'
};
/**
* CSS properties that accept plain numbers
*/
const isNoUnitNumericStyleProp = /*#__PURE__*/ makeMap(`animation-iteration-count,border-image-outset,border-image-slice,` +
`border-image-width,box-flex,box-flex-group,box-ordinal-group,column-count,` +
`columns,flex,flex-grow,flex-positive,flex-shrink,flex-negative,flex-order,` +
`grid-row,grid-row-end,grid-row-span,grid-row-start,grid-column,` +
`grid-column-end,grid-column-span,grid-column-start,font-weight,line-clamp,` +
`line-height,opacity,order,orphans,tab-size,widows,z-index,zoom,` +
// SVG
`fill-opacity,flood-opacity,stop-opacity,stroke-dasharray,stroke-dashoffset,` +
`stroke-miterlimit,stroke-opacity,stroke-width`);
/**
* Known attributes, this is used for stringification of runtime static nodes
* so that we don't stringify bindings that cannot be set from HTML.
* Don't also forget to allow `data-*` and `aria-*`!
* Generated from https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes
*/
const isKnownHtmlAttr = /*#__PURE__*/ makeMap(`accept,accept-charset,accesskey,action,align,allow,alt,async,` +
`autocapitalize,autocomplete,autofocus,autoplay,background,bgcolor,` +
`border,buffered,capture,challenge,charset,checked,cite,class,code,` +
`codebase,color,cols,colspan,content,contenteditable,contextmenu,controls,` +
`coords,crossorigin,csp,data,datetime,decoding,default,defer,dir,dirname,` +
`disabled,download,draggable,dropzone,enctype,enterkeyhint,for,form,` +
`formaction,formenctype,formmethod,formnovalidate,formtarget,headers,` +
`height,hidden,high,href,hreflang,http-equiv,icon,id,importance,integrity,` +
`ismap,itemprop,keytype,kind,label,lang,language,loading,list,loop,low,` +
`manifest,max,maxlength,minlength,media,min,multiple,muted,name,novalidate,` +
`open,optimum,pattern,ping,placeholder,poster,preload,radiogroup,readonly,` +
`referrerpolicy,rel,required,reversed,rows,rowspan,sandbox,scope,scoped,` +
`selected,shape,size,sizes,slot,span,spellcheck,src,srcdoc,srclang,srcset,` +
`start,step,style,summary,tabindex,target,title,translate,type,usemap,` +
`value,width,wrap`);
/**
* Generated from https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute
*/
const isKnownSvgAttr = /*#__PURE__*/ makeMap(`xmlns,accent-height,accumulate,additive,alignment-baseline,alphabetic,amplitude,` +
`arabic-form,ascent,attributeName,attributeType,azimuth,baseFrequency,` +
`baseline-shift,baseProfile,bbox,begin,bias,by,calcMode,cap-height,class,` +
`clip,clipPathUnits,clip-path,clip-rule,color,color-interpolation,` +
`color-interpolation-filters,color-profile,color-rendering,` +
`contentScriptType,contentStyleType,crossorigin,cursor,cx,cy,d,decelerate,` +
`descent,diffuseConstant,direction,display,divisor,dominant-baseline,dur,dx,` +
`dy,edgeMode,elevation,enable-background,end,exponent,fill,fill-opacity,` +
`fill-rule,filter,filterRes,filterUnits,flood-color,flood-opacity,` +
`font-family,font-size,font-size-adjust,font-stretch,font-style,` +
`font-variant,font-weight,format,from,fr,fx,fy,g1,g2,glyph-name,` +
`glyph-orientation-horizontal,glyph-orientation-vertical,glyphRef,` +
`gradientTransform,gradientUnits,hanging,height,href,hreflang,horiz-adv-x,` +
`horiz-origin-x,id,ideographic,image-rendering,in,in2,intercept,k,k1,k2,k3,` +
`k4,kernelMatrix,kernelUnitLength,kerning,keyPoints,keySplines,keyTimes,` +
`lang,lengthAdjust,letter-spacing,lighting-color,limitingConeAngle,local,` +
`marker-end,marker-mid,marker-start,markerHeight,markerUnits,markerWidth,` +
`mask,maskContentUnits,maskUnits,mathematical,max,media,method,min,mode,` +
`name,numOctaves,offset,opacity,operator,order,orient,orientation,origin,` +
`overflow,overline-position,overline-thickness,panose-1,paint-order,path,` +
`pathLength,patternContentUnits,patternTransform,patternUnits,ping,` +
`pointer-events,points,pointsAtX,pointsAtY,pointsAtZ,preserveAlpha,` +
`preserveAspectRatio,primitiveUnits,r,radius,referrerPolicy,refX,refY,rel,` +
`rendering-intent,repeatCount,repeatDur,requiredExtensions,requiredFeatures,` +
`restart,result,rotate,rx,ry,scale,seed,shape-rendering,slope,spacing,` +
`specularConstant,specularExponent,speed,spreadMethod,startOffset,` +
`stdDeviation,stemh,stemv,stitchTiles,stop-color,stop-opacity,` +
`strikethrough-position,strikethrough-thickness,string,stroke,` +
`stroke-dasharray,stroke-dashoffset,stroke-linecap,stroke-linejoin,` +
`stroke-miterlimit,stroke-opacity,stroke-width,style,surfaceScale,` +
`systemLanguage,tabindex,tableValues,target,targetX,targetY,text-anchor,` +
`text-decoration,text-rendering,textLength,to,transform,transform-origin,` +
`type,u1,u2,underline-position,underline-thickness,unicode,unicode-bidi,` +
`unicode-range,units-per-em,v-alphabetic,v-hanging,v-ideographic,` +
`v-mathematical,values,vector-effect,version,vert-adv-y,vert-origin-x,` +
`vert-origin-y,viewBox,viewTarget,visibility,width,widths,word-spacing,` +
`writing-mode,x,x-height,x1,x2,xChannelSelector,xlink:actuate,xlink:arcrole,` +
`xlink:href,xlink:role,xlink:show,xlink:title,xlink:type,xml:base,xml:lang,` +
`xml:space,y,y1,y2,yChannelSelector,z,zoomAndPan`);
function normalizeStyle(value) {
if (isArray(value)) {
const res = {};
for (let i = 0; i < value.length; i++) {
const item = value[i];
const normalized = isString(item)
? parseStringStyle(item)
: normalizeStyle(item);
if (normalized) {
for (const key in normalized) {
res[key] = normalized[key];
}
}
}
return res;
}
else if (isString(value)) {
return value;
}
else if (isObject(value)) {
return value;
}
}
const listDelimiterRE = /;(?![^(]*\))/g;
const propertyDelimiterRE = /:(.+)/;
function parseStringStyle(cssText) {
const ret = {};
cssText.split(listDelimiterRE).forEach(item => {
if (item) {
const tmp = item.split(propertyDelimiterRE);
tmp.length > 1 && (ret[tmp[0].trim()] = tmp[1].trim());
}
});
return ret;
}
function stringifyStyle(styles) {
let ret = '';
if (!styles || isString(styles)) {
return ret;
}
for (const key in styles) {
const value = styles[key];
const normalizedKey = key.startsWith(`--`) ? key : hyphenate(key);
if (isString(value) ||
(typeof value === 'number' && isNoUnitNumericStyleProp(normalizedKey))) {
// only render valid values
ret += `${normalizedKey}:${value};`;
}
}
return ret;
}
function normalizeClass(value) {
let res = '';
if (isString(value)) {
res = value;
}
else if (isArray(value)) {
for (let i = 0; i < value.length; i++) {
const normalized = normalizeClass(value[i]);
if (normalized) {
res += normalized + ' ';
}
}
}
else if (isObject(value)) {
for (const name in value) {
if (value[name]) {
res += name + ' ';
}
}
}
return res.trim();
}
function normalizeProps(props) {
if (!props)
return null;
let { class: klass, style } = props;
if (klass && !isString(klass)) {
props.class = normalizeClass(klass);
}
if (style) {
props.style = normalizeStyle(style);
}
return props;
}
// These tag configs are shared between compiler-dom and runtime-dom, so they
// https://developer.mozilla.org/en-US/docs/Web/HTML/Element
const HTML_TAGS = 'html,body,base,head,link,meta,style,title,address,article,aside,footer,' +
'header,h1,h2,h3,h4,h5,h6,nav,section,div,dd,dl,dt,figcaption,' +
'figure,picture,hr,img,li,main,ol,p,pre,ul,a,b,abbr,bdi,bdo,br,cite,code,' +
'data,dfn,em,i,kbd,mark,q,rp,rt,ruby,s,samp,small,span,strong,sub,sup,' +
'time,u,var,wbr,area,audio,map,track,video,embed,object,param,source,' +
'canvas,script,noscript,del,ins,caption,col,colgroup,table,thead,tbody,td,' +
'th,tr,button,datalist,fieldset,form,input,label,legend,meter,optgroup,' +
'option,output,progress,select,textarea,details,dialog,menu,' +
'summary,template,blockquote,iframe,tfoot';
// https://developer.mozilla.org/en-US/docs/Web/SVG/Element
const SVG_TAGS = 'svg,animate,animateMotion,animateTransform,circle,clipPath,color-profile,' +
'defs,desc,discard,ellipse,feBlend,feColorMatrix,feComponentTransfer,' +
'feComposite,feConvolveMatrix,feDiffuseLighting,feDisplacementMap,' +
'feDistanceLight,feDropShadow,feFlood,feFuncA,feFuncB,feFuncG,feFuncR,' +
'feGaussianBlur,feImage,feMerge,feMergeNode,feMorphology,feOffset,' +
'fePointLight,feSpecularLighting,feSpotLight,feTile,feTurbulence,filter,' +
'foreignObject,g,hatch,hatchpath,image,line,linearGradient,marker,mask,' +
'mesh,meshgradient,meshpatch,meshrow,metadata,mpath,path,pattern,' +
'polygon,polyline,radialGradient,rect,set,solidcolor,stop,switch,symbol,' +
'text,textPath,title,tspan,unknown,use,view';
const VOID_TAGS = 'area,base,br,col,embed,hr,img,input,link,meta,param,source,track,wbr';
/**
* Compiler only.
* Do NOT use in runtime code paths unless behind `(process.env.NODE_ENV !== 'production')` flag.
*/
const isHTMLTag = /*#__PURE__*/ makeMap(HTML_TAGS);
/**
* Compiler only.
* Do NOT use in runtime code paths unless behind `(process.env.NODE_ENV !== 'production')` flag.
*/
const isSVGTag = /*#__PURE__*/ makeMap(SVG_TAGS);
/**
* Compiler only.
* Do NOT use in runtime code paths unless behind `(process.env.NODE_ENV !== 'production')` flag.
*/
const isVoidTag = /*#__PURE__*/ makeMap(VOID_TAGS);
const escapeRE = /["'&<>]/;
function escapeHtml(string) {
const str = '' + string;
const match = escapeRE.exec(str);
if (!match) {
return str;
}
let html = '';
let escaped;
let index;
let lastIndex = 0;
for (index = match.index; index < str.length; index++) {
switch (str.charCodeAt(index)) {
case 34: // "
escaped = '"';
break;
case 38: // &
escaped = '&';
break;
case 39: // '
escaped = ''';
break;
case 60: // <
escaped = '<';
break;
case 62: // >
escaped = '>';
break;
default:
continue;
}
if (lastIndex !== index) {
html += str.slice(lastIndex, index);
}
lastIndex = index + 1;
html += escaped;
}
return lastIndex !== index ? html + str.slice(lastIndex, index) : html;
}
// https://www.w3.org/TR/html52/syntax.html#comments
const commentStripRE = /^-?>|<!--|-->|--!>|<!-$/g;
function escapeHtmlComment(src) {
return src.replace(commentStripRE, '');
}
function looseCompareArrays(a, b) {
if (a.length !== b.length)
return false;
let equal = true;
for (let i = 0; equal && i < a.length; i++) {
equal = looseEqual(a[i], b[i]);
}
return equal;
}
function looseEqual(a, b) {
if (a === b)
return true;
let aValidType = isDate(a);
let bValidType = isDate(b);
if (aValidType || bValidType) {
return aValidType && bValidType ? a.getTime() === b.getTime() : false;
}
aValidType = isSymbol(a);
bValidType = isSymbol(b);
if (aValidType || bValidType) {
return a === b;
}
aValidType = isArray(a);
bValidType = isArray(b);
if (aValidType || bValidType) {
return aValidType && bValidType ? looseCompareArrays(a, b) : false;
}
aValidType = isObject(a);
bValidType = isObject(b);
if (aValidType || bValidType) {
/* istanbul ignore if: this if will probably never be called */
if (!aValidType || !bValidType) {
return false;
}
const aKeysCount = Object.keys(a).length;
const bKeysCount = Object.keys(b).length;
if (aKeysCount !== bKeysCount) {
return false;
}
for (const key in a) {
const aHasKey = a.hasOwnProperty(key);
const bHasKey = b.hasOwnProperty(key);
if ((aHasKey && !bHasKey) ||
(!aHasKey && bHasKey) ||
!looseEqual(a[key], b[key])) {
return false;
}
}
}
return String(a) === String(b);
}
function looseIndexOf(arr, val) {
return arr.findIndex(item => looseEqual(item, val));
}
/**
* For converting {{ interpolation }} values to displayed strings.
* @private
*/
const toDisplayString = (val) => {
return isString(val)
? val
: val == null
? ''
: isArray(val) ||
(isObject(val) &&
(val.toString === objectToString || !isFunction(val.toString)))
? JSON.stringify(val, replacer, 2)
: String(val);
};
const replacer = (_key, val) => {
// can't use isRef here since @vue/shared has no deps
if (val && val.__v_isRef) {
return replacer(_key, val.value);
}
else if (isMap(val)) {
return {
[`Map(${val.size})`]: [...val.entries()].reduce((entries, [key, val]) => {
entries[`${key} =>`] = val;
return entries;
}, {})
};
}
else if (isSet(val)) {
return {
[`Set(${val.size})`]: [...val.values()]
};
}
else if (isObject(val) && !isArray(val) && !isPlainObject(val)) {
return String(val);
}
return val;
};
const EMPTY_OBJ = (process.env.NODE_ENV !== 'production')
? Object.freeze({})
: {};
const EMPTY_ARR = (process.env.NODE_ENV !== 'production') ? Object.freeze([]) : [];
const NOOP = () => { };
/**
* Always return false.
*/
const NO = () => false;
const onRE = /^on[^a-z]/;
const isOn = (key) => onRE.test(key);
const isModelListener = (key) => key.startsWith('onUpdate:');
const extend = Object.assign;
const remove = (arr, el) => {
const i = arr.indexOf(el);
if (i > -1) {
arr.splice(i, 1);
}
};
const hasOwnProperty = Object.prototype.hasOwnProperty;
const hasOwn = (val, key) => hasOwnProperty.call(val, key);
const isArray = Array.isArray;
const isMap = (val) => toTypeString(val) === '[object Map]';
const isSet = (val) => toTypeString(val) === '[object Set]';
const isDate = (val) => toTypeString(val) === '[object Date]';
const isFunction = (val) => typeof val === 'function';
const isString = (val) => typeof val === 'string';
const isSymbol = (val) => typeof val === 'symbol';
const isObject = (val) => val !== null && typeof val === 'object';
const isPromise = (val) => {
return isObject(val) && isFunction(val.then) && isFunction(val.catch);
};
const objectToString = Object.prototype.toString;
const toTypeString = (value) => objectToString.call(value);
const toRawType = (value) => {
// extract "RawType" from strings like "[object RawType]"
return toTypeString(value).slice(8, -1);
};
const isPlainObject = (val) => toTypeString(val) === '[object Object]';
const isIntegerKey = (key) => isString(key) &&
key !== 'NaN' &&
key[0] !== '-' &&
'' + parseInt(key, 10) === key;
const isReservedProp = /*#__PURE__*/ makeMap(
// the leading comma is intentional so empty string "" is also included
',key,ref,ref_for,ref_key,' +
'onVnodeBeforeMount,onVnodeMounted,' +
'onVnodeBeforeUpdate,onVnodeUpdated,' +
'onVnodeBeforeUnmount,onVnodeUnmounted');
const isBuiltInDirective = /*#__PURE__*/ makeMap('bind,cloak,else-if,else,for,html,if,model,on,once,pre,show,slot,text,memo');
const cacheStringFunction$1 = (fn) => {
const cache = Object.create(null);
return ((str) => {
const hit = cache[str];
return hit || (cache[str] = fn(str));
});
};
const camelizeRE$1 = /-(\w)/g;
/**
* @private
*/
const camelize$1 = cacheStringFunction$1((str) => {
return str.replace(camelizeRE$1, (_, c) => (c ? c.toUpperCase() : ''));
});
const hyphenateRE = /\B([A-Z])/g;
/**
* @private
*/
const hyphenate = cacheStringFunction$1((str) => str.replace(hyphenateRE, '-$1').toLowerCase());
/**
* @private
*/
const capitalize = cacheStringFunction$1((str) => str.charAt(0).toUpperCase() + str.slice(1));
/**
* @private
*/
const toHandlerKey = cacheStringFunction$1((str) => str ? `on${capitalize(str)}` : ``);
// compare whether a value has changed, accounting for NaN.
const hasChanged = (value, oldValue) => !Object.is(value, oldValue);
const invokeArrayFns = (fns, arg) => {
for (let i = 0; i < fns.length; i++) {
fns[i](arg);
}
};
const def = (obj, key, value) => {
Object.defineProperty(obj, key, {
configurable: true,
enumerable: false,
value
});
};
const toNumber = (val) => {
const n = parseFloat(val);
return isNaN(n) ? val : n;
};
let _globalThis;
const getGlobalThis = () => {
return (_globalThis ||
(_globalThis =
typeof globalThis !== 'undefined'
? globalThis
: typeof self !== 'undefined'
? self
: typeof window !== 'undefined'
? window
: typeof global !== 'undefined'
? global
: {}));
};
const identRE = /^[_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*$/;
function genPropsAccessExp(name) {
return identRE.test(name)
? `__props.${name}`
: `__props[${JSON.stringify(name)}]`;
}
var shared_esmBundler = {
__proto__: null,
EMPTY_ARR: EMPTY_ARR,
EMPTY_OBJ: EMPTY_OBJ,
NO: NO,
NOOP: NOOP,
PatchFlagNames: PatchFlagNames,
camelize: camelize$1,
capitalize: capitalize,
def: def,
escapeHtml: escapeHtml,
escapeHtmlComment: escapeHtmlComment,
extend: extend,
genPropsAccessExp: genPropsAccessExp,
generateCodeFrame: generateCodeFrame,
getGlobalThis: getGlobalThis,
hasChanged: hasChanged,
hasOwn: hasOwn,
hyphenate: hyphenate,
includeBooleanAttr: includeBooleanAttr,
invokeArrayFns: invokeArrayFns,
isArray: isArray,
isBooleanAttr: isBooleanAttr,
isBuiltInDirective: isBuiltInDirective,
isDate: isDate,
isFunction: isFunction,
isGloballyWhitelisted: isGloballyWhitelisted,
isHTMLTag: isHTMLTag,
isIntegerKey: isIntegerKey,
isKnownHtmlAttr: isKnownHtmlAttr,
isKnownSvgAttr: isKnownSvgAttr,
isMap: isMap,
isModelListener: isModelListener,
isNoUnitNumericStyleProp: isNoUnitNumericStyleProp,
isObject: isObject,
isOn: isOn,
isPlainObject: isPlainObject,
isPromise: isPromise,
isReservedProp: isReservedProp,
isSSRSafeAttrName: isSSRSafeAttrName,
isSVGTag: isSVGTag,
isSet: isSet,
isSpecialBooleanAttr: isSpecialBooleanAttr,
isString: isString,
isSymbol: isSymbol,
isVoidTag: isVoidTag,
looseEqual: looseEqual,
looseIndexOf: looseIndexOf,
makeMap: makeMap,
normalizeClass: normalizeClass,
normalizeProps: normalizeProps,
normalizeStyle: normalizeStyle,
objectToString: objectToString,
parseStringStyle: parseStringStyle,
propsToAttrMap: propsToAttrMap,
remove: remove,
slotFlagsText: slotFlagsText,
stringifyStyle: stringifyStyle,
toDisplayString: toDisplayString,
toHandlerKey: toHandlerKey,
toNumber: toNumber,
toRawType: toRawType,
toTypeString: toTypeString
};
function defaultOnError(error) {
throw error;
}
function defaultOnWarn(msg) {
(process.env.NODE_ENV !== 'production') && console.warn(`[Vue warn] ${msg.message}`);
}
function createCompilerError(code, loc, messages, additionalMessage) {
const msg = (process.env.NODE_ENV !== 'production') || !true
? (messages || errorMessages)[code] + (additionalMessage || ``)
: code;
const error = new SyntaxError(String(msg));
error.code = code;
error.loc = loc;
return error;
}
const errorMessages = {
// parse errors
[0 /* ABRUPT_CLOSING_OF_EMPTY_COMMENT */]: 'Illegal comment.',
[1 /* CDATA_IN_HTML_CONTENT */]: 'CDATA section is allowed only in XML context.',
[2 /* DUPLICATE_ATTRIBUTE */]: 'Duplicate attribute.',
[3 /* END_TAG_WITH_ATTRIBUTES */]: 'End tag cannot have attributes.',
[4 /* END_TAG_WITH_TRAILING_SOLIDUS */]: "Illegal '/' in tags.",
[5 /* EOF_BEFORE_TAG_NAME */]: 'Unexpected EOF in tag.',
[6 /* EOF_IN_CDATA */]: 'Unexpected EOF in CDATA section.',
[7 /* EOF_IN_COMMENT */]: 'Unexpected EOF in comment.',
[8 /* EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT */]: 'Unexpected EOF in script.',
[9 /* EOF_IN_TAG */]: 'Unexpected EOF in tag.',
[10 /* INCORRECTLY_CLOSED_COMMENT */]: 'Incorrectly closed comment.',
[11 /* INCORRECTLY_OPENED_COMMENT */]: 'Incorrectly opened comment.',
[12 /* INVALID_FIRST_CHARACTER_OF_TAG_NAME */]: "Illegal tag name. Use '<' to print '<'.",
[13 /* MISSING_ATTRIBUTE_VALUE */]: 'Attribute value was expected.',
[14 /* MISSING_END_TAG_NAME */]: 'End tag name was expected.',
[15 /* MISSING_WHITESPACE_BETWEEN_ATTRIBUTES */]: 'Whitespace was expected.',
[16 /* NESTED_COMMENT */]: "Unexpected '<!--' in comment.",
[17 /* UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME */]: 'Attribute name cannot contain U+0022 ("), U+0027 (\'), and U+003C (<).',
[18 /* UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE */]: 'Unquoted attribute value cannot contain U+0022 ("), U+0027 (\'), U+003C (<), U+003D (=), and U+0060 (`).',
[19 /* UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME */]: "Attribute name cannot start with '='.",
[21 /* UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME */]: "'<?' is allowed only in XML context.",
[20 /* UNEXPECTED_NULL_CHARACTER */]: `Unexpected null character.`,
[22 /* UNEXPECTED_SOLIDUS_IN_TAG */]: "Illegal '/' in tags.",
// Vue-specific parse errors
[23 /* X_INVALID_END_TAG */]: 'Invalid end tag.',
[24 /* X_MISSING_END_TAG */]: 'Element is missing end tag.',
[25 /* X_MISSING_INTERPOLATION_END */]: 'Interpolation end sign was not found.',
[27 /* X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END */]: 'End bracket for dynamic directive argument was not found. ' +
'Note that dynamic directive argument cannot contain spaces.',
[26 /* X_MISSING_DIRECTIVE_NAME */]: 'Legal directive name was expected.',
// transform errors
[28 /* X_V_IF_NO_EXPRESSION */]: `v-if/v-else-if is missing expression.`,
[29 /* X_V_IF_SAME_KEY */]: `v-if/else branches must use unique keys.`,
[30 /* X_V_ELSE_NO_ADJACENT_IF */]: `v-else/v-else-if has no adjacent v-if or v-else-if.`,
[31 /* X_V_FOR_NO_EXPRESSION */]: `v-for is missing expression.`,
[32 /* X_V_FOR_MALFORMED_EXPRESSION */]: `v-for has invalid expression.`,
[33 /* X_V_FOR_TEMPLATE_KEY_PLACEMENT */]: `<template v-for> key should be placed on the <template> tag.`,
[34 /* X_V_BIND_NO_EXPRESSION */]: `v-bind is missing expression.`,
[35 /* X_V_ON_NO_EXPRESSION */]: `v-on is missing expression.`,
[36 /* X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET */]: `Unexpected custom directive on <slot> outlet.`,
[37 /* X_V_SLOT_MIXED_SLOT_USAGE */]: `Mixed v-slot usage on both the component and nested <template>.` +
`When there are multiple named slots, all slots should use <template> ` +
`syntax to avoid scope ambiguity.`,
[38 /* X_V_SLOT_DUPLICATE_SLOT_NAMES */]: `Duplicate slot names found. `,
[39 /* X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN */]: `Extraneous children found when component already has explicitly named ` +
`default slot. These children will be ignored.`,
[40 /* X_V_SLOT_MISPLACED */]: `v-slot can only be used on components or <template> tags.`,
[41 /* X_V_MODEL_NO_EXPRESSION */]: `v-model is missing expression.`,
[42 /* X_V_MODEL_MALFORMED_EXPRESSION */]: `v-model value must be a valid JavaScript member expression.`,
[43 /* X_V_MODEL_ON_SCOPE_VARIABLE */]: `v-model cannot be used on v-for or v-slot scope variables because they are not writable.`,
[44 /* X_INVALID_EXPRESSION */]: `Error parsing JavaScript expression: `,
[45 /* X_KEEP_ALIVE_INVALID_CHILDREN */]: `<KeepAlive> expects exactly one child component.`,
// generic errors
[46 /* X_PREFIX_ID_NOT_SUPPORTED */]: `"prefixIdentifiers" option is not supported in this build of compiler.`,
[47 /* X_MODULE_MODE_NOT_SUPPORTED */]: `ES module mode is not supported in this build of compiler.`,
[48 /* X_CACHE_HANDLER_NOT_SUPPORTED */]: `"cacheHandlers" option is only supported when the "prefixIdentifiers" option is enabled.`,
[49 /* X_SCOPE_ID_NOT_SUPPORTED */]: `"scopeId" option is only supported in module mode.`,
// just to fulfill types
[50 /* __EXTEND_POINT__ */]: ``
};
const FRAGMENT = Symbol((process.env.NODE_ENV !== 'production') ? `Fragment` : ``);
const TELEPORT = Symbol((process.env.NODE_ENV !== 'production') ? `Teleport` : ``);
const SUSPENSE = Symbol((process.env.NODE_ENV !== 'production') ? `Suspense` : ``);
const KEEP_ALIVE = Symbol((process.env.NODE_ENV !== 'production') ? `KeepAlive` : ``);
const BASE_TRANSITION = Symbol((process.env.NODE_ENV !== 'production') ? `BaseTransition` : ``);
const OPEN_BLOCK = Symbol((process.env.NODE_ENV !== 'production') ? `openBlock` : ``);
const CREATE_BLOCK = Symbol((process.env.NODE_ENV !== 'production') ? `createBlock` : ``);
const CREATE_ELEMENT_BLOCK = Symbol((process.env.NODE_ENV !== 'production') ? `createElementBlock` : ``);
const CREATE_VNODE = Symbol((process.env.NODE_ENV !== 'production') ? `createVNode` : ``);
const CREATE_ELEMENT_VNODE = Symbol((process.env.NODE_ENV !== 'production') ? `createElementVNode` : ``);
const CREATE_COMMENT = Symbol((process.env.NODE_ENV !== 'production') ? `createCommentVNode` : ``);
const CREATE_TEXT = Symbol((process.env.NODE_ENV !== 'production') ? `createTextVNode` : ``);
const CREATE_STATIC = Symbol((process.env.NODE_ENV !== 'production') ? `createStaticVNode` : ``);
const RESOLVE_COMPONENT = Symbol((process.env.NODE_ENV !== 'production') ? `resolveComponent` : ``);
const RESOLVE_DYNAMIC_COMPONENT = Symbol((process.env.NODE_ENV !== 'production') ? `resolveDynamicComponent` : ``);
const RESOLVE_DIRECTIVE = Symbol((process.env.NODE_ENV !== 'production') ? `resolveDirective` : ``);
const RESOLVE_FILTER = Symbol((process.env.NODE_ENV !== 'production') ? `resolveFilter` : ``);
const WITH_DIRECTIVES = Symbol((process.env.NODE_ENV !== 'production') ? `withDirectives` : ``);
const RENDER_LIST = Symbol((process.env.NODE_ENV !== 'production') ? `renderList` : ``);
const RENDER_SLOT = Symbol((process.env.NODE_ENV !== 'production') ? `renderSlot` : ``);
const CREATE_SLOTS = Symbol((process.env.NODE_ENV !== 'production') ? `createSlots` : ``);
const TO_DISPLAY_STRING = Symbol((process.env.NODE_ENV !== 'production') ? `toDisplayString` : ``);
const MERGE_PROPS = Symbol((process.env.NODE_ENV !== 'production') ? `mergeProps` : ``);
const NORMALIZE_CLASS = Symbol((process.env.NODE_ENV !== 'production') ? `normalizeClass` : ``);
const NORMALIZE_STYLE = Symbol((process.env.NODE_ENV !== 'production') ? `normalizeStyle` : ``);
const NORMALIZE_PROPS = Symbol((process.env.NODE_ENV !== 'production') ? `normalizeProps` : ``);
const GUARD_REACTIVE_PROPS = Symbol((process.env.NODE_ENV !== 'production') ? `guardReactiveProps` : ``);
const TO_HANDLERS = Symbol((process.env.NODE_ENV !== 'production') ? `toHandlers` : ``);
const CAMELIZE = Symbol((process.env.NODE_ENV !== 'production') ? `camelize` : ``);
const CAPITALIZE = Symbol((process.env.NODE_ENV !== 'production') ? `capitalize` : ``);
const TO_HANDLER_KEY = Symbol((process.env.NODE_ENV !== 'production') ? `toHandlerKey` : ``);
const SET_BLOCK_TRACKING = Symbol((process.env.NODE_ENV !== 'production') ? `setBlockTracking` : ``);
const PUSH_SCOPE_ID = Symbol((process.env.NODE_ENV !== 'production') ? `pushScopeId` : ``);
const POP_SCOPE_ID = Symbol((process.env.NODE_ENV !== 'production') ? `popScopeId` : ``);
const WITH_CTX = Symbol((process.env.NODE_ENV !== 'production') ? `withCtx` : ``);
const UNREF = Symbol((process.env.NODE_ENV !== 'production') ? `unref` : ``);
const IS_REF = Symbol((process.env.NODE_ENV !== 'production') ? `isRef` : ``);
const WITH_MEMO = Symbol((process.env.NODE_ENV !== 'production') ? `withMemo` : ``);
const IS_MEMO_SAME = Symbol((process.env.NODE_ENV !== 'production') ? `isMemoSame` : ``);
// Name mapping for runtime helpers that need to be imported from 'vue' in
// generated code. Make sure these are correctly exported in the runtime!
// Using `any` here because TS doesn't allow symbols as index type.
const helperNameMap = {
[FRAGMENT]: `Fragment`,
[TELEPORT]: `Teleport`,
[SUSPENSE]: `Suspense`,
[KEEP_ALIVE]: `KeepAlive`,
[BASE_TRANSITION]: `BaseTransition`,
[OPEN_BLOCK]: `openBlock`,
[CREATE_BLOCK]: `createBlock`,
[CREATE_ELEMENT_BLOCK]: `createElementBlock`,
[CREATE_VNODE]: `createVNode`,
[CREATE_ELEMENT_VNODE]: `createElementVNode`,
[CREATE_COMMENT]: `createCommentVNode`,
[CREATE_TEXT]: `createTextVNode`,
[CREATE_STATIC]: `createStaticVNode`,
[RESOLVE_COMPONENT]: `resolveComponent`,
[RESOLVE_DYNAMIC_COMPONENT]: `resolveDynamicComponent`,
[RESOLVE_DIRECTIVE]: `resolveDirective`,
[RESOLVE_FILTER]: `resolveFilter`,
[WITH_DIRECTIVES]: `withDirectives`,
[RENDER_LIST]: `renderList`,
[RENDER_SLOT]: `renderSlot`,
[CREATE_SLOTS]: `createSlots`,
[TO_DISPLAY_STRING]: `toDisplayString`,
[MERGE_PROPS]: `mergeProps`,
[NORMALIZE_CLASS]: `normalizeClass`,
[NORMALIZE_STYLE]: `normalizeStyle`,
[NORMALIZE_PROPS]: `normalizeProps`,
[GUARD_REACTIVE_PROPS]: `guardReactiveProps`,
[TO_HANDLERS]: `toHandlers`,
[CAMELIZE]: `camelize`,
[CAPITALIZE]: `capitalize`,
[TO_HANDLER_KEY]: `toHandlerKey`,
[SET_BLOCK_TRACKING]: `setBlockTracking`,
[PUSH_SCOPE_ID]: `pushScopeId`,
[POP_SCOPE_ID]: `popScopeId`,
[WITH_CTX]: `withCtx`,
[UNREF]: `unref`,
[IS_REF]: `isRef`,
[WITH_MEMO]: `withMemo`,
[IS_MEMO_SAME]: `isMemoSame`
};
function registerRuntimeHelpers(helpers) {
Object.getOwnPropertySymbols(helpers).forEach(s => {
helperNameMap[s] = helpers[s];
});
}
// AST Utilities ---------------------------------------------------------------
// Some expressions, e.g. sequence and conditional expressions, are never
// associated with template nodes, so their source locations are just a stub.
// Container types like CompoundExpression also don't need a real location.
const locStub = {
source: '',
start: { line: 1, column: 1, offset: 0 },
end: { line: 1, column: 1, offset: 0 }
};
function createRoot(children, loc = locStub) {
return {
type: 0 /* ROOT */,
children,
helpers: [],
components: [],
directives: [],
hoists: [],
imports: [],
cached: 0,
temps: 0,
codegenNode: undefined,
loc
};
}
function createVNodeCall(context, tag, props, children, patchFlag, dynamicProps, directives, isBlock = false, disableTracking = false, isComponent = false, loc = locStub) {
if (context) {
if (isBlock) {
context.helper(OPEN_BLOCK);
context.helper(getVNodeBlockHelper(context.inSSR, isComponent));
}
else {
context.helper(getVNodeHelper(context.inSSR, isComponent));
}
if (directives) {
context.helper(WITH_DIRECTIVES);
}
}
return {
type: 13 /* VNODE_CALL */,
tag,
props,
children,
patchFlag,
dynamicProps,
directives,
isBlock,
disableTracking,
isComponent,
loc
};
}
function createArrayExpression(elements, loc = locStub) {
return {
type: 17 /* JS_ARRAY_EXPRESSION */,
loc,
elements
};
}
function createObjectExpression(properties, loc = locStub) {
return {
type: 15 /* JS_OBJECT_EXPRESSION */,
loc,
properties
};
}
function createObjectProperty(key, value) {
return {
type: 16 /* JS_PROPERTY */,
loc: locStub,
key: isString(key) ? createSimpleExpression(key, true) : key,
value
};
}
function createSimpleExpression(content, isStatic = false, loc = locStub, constType = 0 /* NOT_CONSTANT */) {
return {
type: 4 /* SIMPLE_EXPRESSION */,
loc,
content,
isStatic,
constType: isStatic ? 3 /* CAN_STRINGIFY */ : constType
};
}
function createInterpolation(content, loc) {
return {
type: 5 /* INTERPOLATION */,
loc,
content: isString(content)
? createSimpleExpression(content, false, loc)
: content
};
}
function createCompoundExpression(children, loc = locStub) {
return {
type: 8 /* COMPOUND_EXPRESSION */,
loc,
children
};
}
function createCallExpression(callee, args = [], loc = locStub) {
return {
type: 14 /* JS_CALL_EXPRESSION */,
loc,
callee,
arguments: args
};
}
function createFunctionExpression(params, returns = undefined, newline = false, isSlot = false, loc = locStub) {
return {
type: 18 /* JS_FUNCTION_EXPRESSION */,
params,
returns,
newline,
isSlot,
loc
};
}
function createConditionalExpression(test, consequent, alternate, newline = true) {
return {
type: 19 /* JS_CONDITIONAL_EXPRESSION */,
test,
consequent,
alternate,
newline,
loc: locStub
};
}
function createCacheExpression(index, value, isVNode = false) {
return {
type: 20 /* JS_CACHE_EXPRESSION */,
index,
value,
isVNode,
loc: locStub
};
}
function createBlockStatement(body) {
return {
type: 21 /* JS_BLOCK_STATEMENT */,
body,
loc: locStub
};
}
function createTemplateLiteral(elements) {
return {
type: 22 /* JS_TEMPLATE_LITERAL */,
elements,
loc: locStub
};
}
function createIfStatement(test, consequent, alternate) {
return {
type: 23 /* JS_IF_STATEMENT */,
test,
consequent,
alternate,
loc: locStub
};
}
function createAssignmentExpression(left, right) {
return {
type: 24 /* JS_ASSIGNMENT_EXPRESSION */,
left,
right,
loc: locStub
};
}
function createSequenceExpression(expressions) {
return {
type: 25 /* JS_SEQUENCE_EXPRESSION */,
expressions,
loc: locStub
};
}
function createReturnStatement(returns) {
return {
type: 26 /* JS_RETURN_STATEMENT */,
returns,
loc: locStub
};
}
const isStaticExp = (p) => p.type === 4 /* SIMPLE_EXPRESSION */ && p.isStatic;
const isBuiltInType = (tag, expected) => tag === expected || tag === hyphenate(expected);
function isCoreComponent(tag) {
if (isBuiltInType(tag, 'Teleport')) {
return TELEPORT;
}
else if (isBuiltInType(tag, 'Suspense')) {
return SUSPENSE;
}
else if (isBuiltInType(tag, 'KeepAlive')) {
return KEEP_ALIVE;
}
else if (isBuiltInType(tag, 'BaseTransition')) {
return BASE_TRANSITION;
}
}
const nonIdentifierRE = /^\d|[^\$\w]/;
const isSimpleIdentifier = (name) => !nonIdentifierRE.test(name);
const validFirstIdentCharRE = /[A-Za-z_$\xA0-\uFFFF]/;
const validIdentCharRE = /[\.\?\w$\xA0-\uFFFF]/;
const whitespaceRE = /\s+[.[]\s*|\s*[.[]\s+/g;
/**
* Simple lexer to check if an expression is a member expression. This is
* lax and only checks validity at the root level (i.e. does not validate exps
* inside square brackets), but it's ok since these are only used on template
* expressions and false positives are invalid expressions in the first place.
*/
const isMemberExpressionBrowser = (path) => {
// remove whitespaces around . or [ first
path = path.trim().replace(whitespaceRE, s => s.trim());
let state = 0 /* inMemberExp */;
let stateStack = [];
let currentOpenBracketCount = 0;
let currentOpenParensCount = 0;
let currentStringType = null;
for (let i = 0; i < path.length; i++) {
const char = path.charAt(i);
switch (state) {
case 0 /* inMemberExp */:
if (char === '[') {
stateStack.push(state);
state = 1 /* inBrackets */;
currentOpenBracketCount++;
}
else if (char === '(') {
stateStack.push(state);
state = 2 /* inParens */;
currentOpenParensCount++;
}
else if (!(i === 0 ? validFirstIdentCharRE : validIdentCharRE).test(char)) {
return false;
}
break;
case 1 /* inBrackets */:
if (char === `'` || char === `"` || char === '`') {
stateStack.push(state);
state = 3 /* inString */;
currentStringType = char;
}
else if (char === `[`) {
currentOpenBracketCount++;
}
else if (char === `]`) {
if (!--currentOpenBracketCount) {
state = stateStack.pop();
}
}
break;
case 2 /* inParens */:
if (char === `'` || char === `"` || char === '`') {
stateStack.push(state);
state = 3 /* inString */;
currentStringType = char;
}
else if (char === `(`) {
currentOpenParensCount++;
}
else if (char === `)`) {
// if the exp ends as a call then it should not be considered valid
if (i === path.length - 1) {
return false;
}
if (!--currentOpenParensCount) {
state = stateStack.pop();
}
}
break;
case 3 /* inString */:
if (char === currentStringType) {
state = stateStack.pop();
currentStringType = null;
}
break;
}
}
return !currentOpenBracketCount && !currentOpenParensCount;
};
const isMemberExpressionNode = NOOP
;
const isMemberExpression = isMemberExpressionBrowser
;
function getInnerRange(loc, offset, length) {
const source = loc.source.slice(offset, offset + length);
const newLoc = {
source,
start: advancePositionWithClone(loc.start, loc.source, offset),
end: loc.end
};
if (length != null) {
newLoc.end = advancePositionWithClone(loc.start, loc.source, offset + length);
}
return newLoc;
}
function advancePositionWithClone(pos, source, numberOfCharacters = source.length) {
return advancePositionWithMutation(extend({}, pos), source, numberOfCharacters);
}
// advance by mutation without cloning (for performance reasons), since this
// gets called a lot in the parser
function advancePositionWithMutation(pos, source, numberOfCharacters = source.length) {
let linesCount = 0;
let lastNewLinePos = -1;
for (let i = 0; i < numberOfCharacters; i++) {
if (source.charCodeAt(i) === 10 /* newline char code */) {
linesCount++;
lastNewLinePos = i;
}
}
pos.offset += numberOfCharacters;
pos.line += linesCount;
pos.column =
lastNewLinePos === -1
? pos.column + numberOfCharacters
: numberOfCharacters - lastNewLinePos;
return pos;
}
function assert(condition, msg) {
/* istanbul ignore if */
if (!condition) {
throw new Error(msg || `unexpected compiler condition`);
}
}
function findDir(node, name, allowEmpty = false) {
for (let i = 0; i < node.props.length; i++) {
const p = node.props[i];
if (p.type === 7 /* DIRECTIVE */ &&
(allowEmpty || p.exp) &&
(isString(name) ? p.name === name : name.test(p.name))) {
return p;
}
}
}
function findProp(node, name, dynamicOnly = false, allowEmpty = false) {
for (let i = 0; i < node.props.length; i++) {
const p = node.props[i];
if (p.type === 6 /* ATTRIBUTE */) {
if (dynamicOnly)
continue;
if (p.name === name && (p.value || allowEmpty)) {
return p;
}
}
else if (p.name === 'bind' &&
(p.exp || allowEmpty) &&
isStaticArgOf(p.arg, name)) {
return p;
}
}
}
function isStaticArgOf(arg, name) {
return !!(arg && isStaticExp(arg) && arg.content === name);
}
function hasDynamicKeyVBind(node) {
return node.props.some(p => p.type === 7 /* DIRECTIVE */ &&
p.name === 'bind' &&
(!p.arg || // v-bind="obj"
p.arg.type !== 4 /* SIMPLE_EXPRESSION */ || // v-bind:[_ctx.foo]
!p.arg.isStatic) // v-bind:[foo]
);
}
function isText(node) {
return node.type === 5 /* INTERPOLATION */ || node.type === 2 /* TEXT */;
}
function isVSlot(p) {
return p.type === 7 /* DIRECTIVE */ && p.name === 'slot';
}
function isTemplateNode(node) {
return (node.type === 1 /* ELEMENT */ && node.tagType === 3 /* TEMPLATE */);
}
function isSlotOutlet(node) {
return node.type === 1 /* ELEMENT */ && node.tagType === 2 /* SLOT */;
}
function getVNodeHelper(ssr, isComponent) {
return ssr || isComponent ? CREATE_VNODE : CREATE_ELEMENT_VNODE;
}
function getVNodeBlockHelper(ssr, isComponent) {
return ssr || isComponent ? CREATE_BLOCK : CREATE_ELEMENT_BLOCK;
}
const propsHelperSet = new Set([NORMALIZE_PROPS, GUARD_REACTIVE_PROPS]);
function getUnnormalizedProps(props, callPath = []) {
if (props &&
!isString(props) &&
props.type === 14 /* JS_CALL_EXPRESSION */) {
const callee = props.callee;
if (!isString(callee) && propsHelperSet.has(callee)) {
return getUnnormalizedProps(props.arguments[0], callPath.concat(props));
}
}
return [props, callPath];
}
function injectProp(node, prop, context) {
let propsWithInjection;
/**
* 1. mergeProps(...)
* 2. toHandlers(...)
* 3. normalizeProps(...)
* 4. normalizeProps(guardReactiveProps(...))
*
* we need to get the real props before normalization
*/
let props = node.type === 13 /* VNODE_CALL */ ? node.props : node.arguments[2];
let callPath = [];
let parentCall;
if (props &&
!isString(props) &&
props.type === 14 /* JS_CALL_EXPRESSION */) {
const ret = getUnnormalizedProps(props);
props = ret[0];
callPath = ret[1];
parentCall = callPath[callPath.length - 1];
}
if (props == null || isString(props)) {
propsWithInjection = createObjectExpression([prop]);
}
else if (props.type === 14 /* JS_CALL_EXPRESSION */) {
// merged props... add ours
// only inject key to object literal if it's the first argument so that
// if doesn't override user provided keys
const first = props.arguments[0];
if (!isString(first) && first.type === 15 /* JS_OBJECT_EXPRESSION */) {
first.properties.unshift(prop);
}
else {
if (props.callee === TO_HANDLERS) {
// #2366
propsWithInjection = createCallExpression(context.helper(MERGE_PROPS), [
createObjectExpression([prop]),
props
]);
}
else {
props.arguments.unshift(createObjectExpression([prop]));
}
}
!propsWithInjection && (propsWithInjection = props);
}
else if (props.type === 15 /* JS_OBJECT_EXPRESSION */) {
let alreadyExists = false;
// check existing key to avoid overriding user provided keys
if (prop.key.type === 4 /* SIMPLE_EXPRESSION */) {
const propKeyName = prop.key.content;
alreadyExists = props.properties.some(p => p.key.type === 4 /* SIMPLE_EXPRESSION */ &&
p.key.content === propKeyName);
}
if (!alreadyExists) {
props.properties.unshift(prop);
}
propsWithInjection = props;
}
else {
// single v-bind with expression, return a merged replacement
propsWithInjection = createCallExpression(context.helper(MERGE_PROPS), [
createObjectExpression([prop]),
props
]);
// in the case of nested helper call, e.g. `normalizeProps(guardReactiveProps(props))`,
// it will be rewritten as `normalizeProps(mergeProps({ key: 0 }, props))`,
// the `guardReactiveProps` will no longer be needed
if (parentCall && parentCall.callee === GUARD_REACTIVE_PROPS) {
parentCall = callPath[callPath.length - 2];
}
}
if (node.type === 13 /* VNODE_CALL */) {
if (parentCall) {
parentCall.arguments[0] = propsWithInjection;
}
else {
node.props = propsWithInjection;
}
}
else {
if (parentCall) {
parentCall.arguments[0] = propsWithInjection;
}
else {
node.arguments[2] = propsWithInjection;
}
}
}
function toValidAssetId(name, type) {
// see issue#4422, we need adding identifier on validAssetId if variable `name` has specific character
return `_${type}_${name.replace(/[^\w]/g, (searchValue, replaceValue) => {
return searchValue === '-' ? '_' : name.charCodeAt(replaceValue).toString();
})}`;
}
// Check if a node contains expressions that reference current context scope ids
function hasScopeRef(node, ids) {
if (!node || Object.keys(ids).length === 0) {
return false;
}
switch (node.type) {
case 1 /* ELEMENT */:
for (let i = 0; i < node.props.length; i++) {
const p = node.props[i];
if (p.type === 7 /* DIRECTIVE */ &&
(hasScopeRef(p.arg, ids) || hasScopeRef(p.exp, ids))) {
return true;
}
}
return node.children.some(c => hasScopeRef(c, ids));
case 11 /* FOR */:
if (hasScopeRef(node.source, ids)) {
return true;
}
return node.children.some(c => hasScopeRef(c, ids));
case 9 /* IF */:
return node.branches.some(b => hasScopeRef(b, ids));
case 10 /* IF_BRANCH */:
if (hasScopeRef(node.condition, ids)) {
return true;
}
return node.children.some(c => hasScopeRef(c, ids));
case 4 /* SIMPLE_EXPRESSION */:
return (!node.isStatic &&
isSimpleIdentifier(node.content) &&
!!ids[node.content]);
case 8 /* COMPOUND_EXPRESSION */:
return node.children.some(c => isObject(c) && hasScopeRef(c, ids));
case 5 /* INTERPOLATION */:
case 12 /* TEXT_CALL */:
return hasScopeRef(node.content, ids);
case 2 /* TEXT */:
case 3 /* COMMENT */:
return false;
default:
if ((process.env.NODE_ENV !== 'production')) ;
return false;
}
}
function getMemoedVNodeCall(node) {
if (node.type === 14 /* JS_CALL_EXPRESSION */ && node.callee === WITH_MEMO) {
return node.arguments[1].returns;
}
else {
return node;
}
}
function makeBlock(node, { helper, removeHelper, inSSR }) {
if (!node.isBlock) {
node.isBlock = true;
removeHelper(getVNodeHelper(inSSR, node.isComponent));
helper(OPEN_BLOCK);
helper(getVNodeBlockHelper(inSSR, node.isComponent));
}
}
const deprecationData = {
["COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */]: {
message: `Platform-native elements with "is" prop will no longer be ` +
`treated as components in Vue 3 unless the "is" value is explicitly ` +
`prefixed with "vue:".`,
link: `https://v3-migration.vuejs.org/breaking-changes/custom-elements-interop.html`
},
["COMPILER_V_BIND_SYNC" /* COMPILER_V_BIND_SYNC */]: {
message: key => `.sync modifier for v-bind has been removed. Use v-model with ` +
`argument instead. \`v-bind:${key}.sync\` should be changed to ` +
`\`v-model:${key}\`.`,
link: `https://v3-migration.vuejs.org/breaking-changes/v-model.html`
},
["COMPILER_V_BIND_PROP" /* COMPILER_V_BIND_PROP */]: {
message: `.prop modifier for v-bind has been removed and no longer necessary. ` +
`Vue 3 will automatically set a binding as DOM property when appropriate.`
},
["COMPILER_V_BIND_OBJECT_ORDER" /* COMPILER_V_BIND_OBJECT_ORDER */]: {
message: `v-bind="obj" usage is now order sensitive and behaves like JavaScript ` +
`object spread: it will now overwrite an existing non-mergeable attribute ` +
`that appears before v-bind in the case of conflict. ` +
`To retain 2.x behavior, move v-bind to make it the first attribute. ` +
`You can also suppress this warning if the usage is intended.`,
link: `https://v3-migration.vuejs.org/breaking-changes/v-bind.html`
},
["COMPILER_V_ON_NATIVE" /* COMPILER_V_ON_NATIVE */]: {
message: `.native modifier for v-on has been removed as is no longer necessary.`,
link: `https://v3-migration.vuejs.org/breaking-changes/v-on-native-modifier-removed.html`
},
["COMPILER_V_IF_V_FOR_PRECEDENCE" /* COMPILER_V_IF_V_FOR_PRECEDENCE */]: {
message: `v-if / v-for precedence when used on the same element has changed ` +
`in Vue 3: v-if now takes higher precedence and will no longer have ` +
`access to v-for scope variables. It is best to avoid the ambiguity ` +
`with <template> tags or use a computed property that filters v-for ` +
`data source.`,
link: `https://v3-migration.vuejs.org/breaking-changes/v-if-v-for.html`
},
["COMPILER_NATIVE_TEMPLATE" /* COMPILER_NATIVE_TEMPLATE */]: {
message: `<template> with no special directives will render as a native template ` +
`element instead of its inner content in Vue 3.`
},
["COMPILER_INLINE_TEMPLATE" /* COMPILER_INLINE_TEMPLATE */]: {
message: `"inline-template" has been removed in Vue 3.`,
link: `https://v3-migration.vuejs.org/breaking-changes/inline-template-attribute.html`
},
["COMPILER_FILTER" /* COMPILER_FILTERS */]: {
message: `filters have been removed in Vue 3. ` +
`The "|" symbol will be treated as native JavaScript bitwise OR operator. ` +
`Use method calls or computed properties instead.`,
link: `https://v3-migration.vuejs.org/breaking-changes/filters.html`
}
};
function getCompatValue(key, context) {
const config = context.options
? context.options.compatConfig
: context.compatConfig;
const value = config && config[key];
if (key === 'MODE') {
return value || 3; // compiler defaults to v3 behavior
}
else {
return value;
}
}
function isCompatEnabled(key, context) {
const mode = getCompatValue('MODE', context);
const value = getCompatValue(key, context);
// in v3 mode, only enable if explicitly set to true
// otherwise enable for any non-false value
return mode === 3 ? value === true : value !== false;
}
function checkCompatEnabled(key, context, loc, ...args) {
const enabled = isCompatEnabled(key, context);
if ((process.env.NODE_ENV !== 'production') && enabled) {
warnDeprecation(key, context, loc, ...args);
}
return enabled;
}
function warnDeprecation(key, context, loc, ...args) {
const val = getCompatValue(key, context);
if (val === 'suppress-warning') {
return;
}
const { message, link } = deprecationData[key];
const msg = `(deprecation ${key}) ${typeof message === 'function' ? message(...args) : message}${link ? `\n Details: ${link}` : ``}`;
const err = new SyntaxError(msg);
err.code = key;
if (loc)
err.loc = loc;
context.onWarn(err);
}
// The default decoder only provides escapes for characters reserved as part of
// the template syntax, and is only used if the custom renderer did not provide
// a platform-specific decoder.
const decodeRE = /&(gt|lt|amp|apos|quot);/g;
const decodeMap = {
gt: '>',
lt: '<',
amp: '&',
apos: "'",
quot: '"'
};
const defaultParserOptions = {
delimiters: [`{{`, `}}`],
getNamespace: () => 0 /* HTML */,
getTextMode: () => 0 /* DATA */,
isVoidTag: NO,
isPreTag: NO,
isCustomElement: NO,
decodeEntities: (rawText) => rawText.replace(decodeRE, (_, p1) => decodeMap[p1]),
onError: defaultOnError,
onWarn: defaultOnWarn,
comments: (process.env.NODE_ENV !== 'production')
};
function baseParse(content, options = {}) {
const context = createParserContext(content, options);
const start = getCursor(context);
return createRoot(parseChildren(context, 0 /* DATA */, []), getSelection(context, start));
}
function createParserContext(content, rawOptions) {
const options = extend({}, defaultParserOptions);
let key;
for (key in rawOptions) {
// @ts-ignore
options[key] =
rawOptions[key] === undefined
? defaultParserOptions[key]
: rawOptions[key];
}
return {
options,
column: 1,
line: 1,
offset: 0,
originalSource: content,
source: content,
inPre: false,
inVPre: false,
onWarn: options.onWarn
};
}
function parseChildren(context, mode, ancestors) {
const parent = last(ancestors);
const ns = parent ? parent.ns : 0 /* HTML */;
const nodes = [];
while (!isEnd(context, mode, ancestors)) {
const s = context.source;
let node = undefined;
if (mode === 0 /* DATA */ || mode === 1 /* RCDATA */) {
if (!context.inVPre && startsWith(s, context.options.delimiters[0])) {
// '{{'
node = parseInterpolation(context, mode);
}
else if (mode === 0 /* DATA */ && s[0] === '<') {
// https://html.spec.whatwg.org/multipage/parsing.html#tag-open-state
if (s.length === 1) {
emitError(context, 5 /* EOF_BEFORE_TAG_NAME */, 1);
}
else if (s[1] === '!') {
// https://html.spec.whatwg.org/multipage/parsing.html#markup-declaration-open-state
if (startsWith(s, '<!--')) {
node = parseComment(context);
}
else if (startsWith(s, '<!DOCTYPE')) {
// Ignore DOCTYPE by a limitation.
node = parseBogusComment(context);
}
else if (startsWith(s, '<![CDATA[')) {
if (ns !== 0 /* HTML */) {
node = parseCDATA(context, ancestors);
}
else {
emitError(context, 1 /* CDATA_IN_HTML_CONTENT */);
node = parseBogusComment(context);
}
}
else {
emitError(context, 11 /* INCORRECTLY_OPENED_COMMENT */);
node = parseBogusComment(context);
}
}
else if (s[1] === '/') {
// https://html.spec.whatwg.org/multipage/parsing.html#end-tag-open-state
if (s.length === 2) {
emitError(context, 5 /* EOF_BEFORE_TAG_NAME */, 2);
}
else if (s[2] === '>') {
emitError(context, 14 /* MISSING_END_TAG_NAME */, 2);
advanceBy(context, 3);
continue;
}
else if (/[a-z]/i.test(s[2])) {
emitError(context, 23 /* X_INVALID_END_TAG */);
parseTag(context, 1 /* End */, parent);
continue;
}
else {
emitError(context, 12 /* INVALID_FIRST_CHARACTER_OF_TAG_NAME */, 2);
node = parseBogusComment(context);
}
}
else if (/[a-z]/i.test(s[1])) {
node = parseElement(context, ancestors);
// 2.x <template> with no directive compat
if (isCompatEnabled("COMPILER_NATIVE_TEMPLATE" /* COMPILER_NATIVE_TEMPLATE */, context) &&
node &&
node.tag === 'template' &&
!node.props.some(p => p.type === 7 /* DIRECTIVE */ &&
isSpecialTemplateDirective(p.name))) {
(process.env.NODE_ENV !== 'production') &&
warnDeprecation("COMPILER_NATIVE_TEMPLATE" /* COMPILER_NATIVE_TEMPLATE */, context, node.loc);
node = node.children;
}
}
else if (s[1] === '?') {
emitError(context, 21 /* UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME */, 1);
node = parseBogusComment(context);
}
else {
emitError(context, 12 /* INVALID_FIRST_CHARACTER_OF_TAG_NAME */, 1);
}
}
}
if (!node) {
node = parseText(context, mode);
}
if (isArray(node)) {
for (let i = 0; i < node.length; i++) {
pushNode(nodes, node[i]);
}
}
else {
pushNode(nodes, node);
}
}
// Whitespace handling strategy like v2
let removedWhitespace = false;
if (mode !== 2 /* RAWTEXT */ && mode !== 1 /* RCDATA */) {
const shouldCondense = context.options.whitespace !== 'preserve';
for (let i = 0; i < nodes.length; i++) {
const node = nodes[i];
if (!context.inPre && node.type === 2 /* TEXT */) {
if (!/[^\t\r\n\f ]/.test(node.content)) {
const prev = nodes[i - 1];
const next = nodes[i + 1];
// Remove if:
// - the whitespace is the first or last node, or:
// - (condense mode) the whitespace is adjacent to a comment, or:
// - (condense mode) the whitespace is between two elements AND contains newline
if (!prev ||
!next ||
(shouldCondense &&
(prev.type === 3 /* COMMENT */ ||
next.type === 3 /* COMMENT */ ||
(prev.type === 1 /* ELEMENT */ &&
next.type === 1 /* ELEMENT */ &&
/[\r\n]/.test(node.content))))) {
removedWhitespace = true;
nodes[i] = null;
}
else {
// Otherwise, the whitespace is condensed into a single space
node.content = ' ';
}
}
else if (shouldCondense) {
// in condense mode, consecutive whitespaces in text are condensed
// down to a single space.
node.content = node.content.replace(/[\t\r\n\f ]+/g, ' ');
}
}
// Remove comment nodes if desired by configuration.
else if (node.type === 3 /* COMMENT */ && !context.options.comments) {
removedWhitespace = true;
nodes[i] = null;
}
}
if (context.inPre && parent && context.options.isPreTag(parent.tag)) {
// remove leading newline per html spec
// https://html.spec.whatwg.org/multipage/grouping-content.html#the-pre-element
const first = nodes[0];
if (first && first.type === 2 /* TEXT */) {
first.content = first.content.replace(/^\r?\n/, '');
}
}
}
return removedWhitespace ? nodes.filter(Boolean) : nodes;
}
function pushNode(nodes, node) {
if (node.type === 2 /* TEXT */) {
const prev = last(nodes);
// Merge if both this and the previous node are text and those are
// consecutive. This happens for cases like "a < b".
if (prev &&
prev.type === 2 /* TEXT */ &&
prev.loc.end.offset === node.loc.start.offset) {
prev.content += node.content;
prev.loc.end = node.loc.end;
prev.loc.source += node.loc.source;
return;
}
}
nodes.push(node);
}
function parseCDATA(context, ancestors) {
advanceBy(context, 9);
const nodes = parseChildren(context, 3 /* CDATA */, ancestors);
if (context.source.length === 0) {
emitError(context, 6 /* EOF_IN_CDATA */);
}
else {
advanceBy(context, 3);
}
return nodes;
}
function parseComment(context) {
const start = getCursor(context);
let content;
// Regular comment.
const match = /--(\!)?>/.exec(context.source);
if (!match) {
content = context.source.slice(4);
advanceBy(context, context.source.length);
emitError(context, 7 /* EOF_IN_COMMENT */);
}
else {
if (match.index <= 3) {
emitError(context, 0 /* ABRUPT_CLOSING_OF_EMPTY_COMMENT */);
}
if (match[1]) {
emitError(context, 10 /* INCORRECTLY_CLOSED_COMMENT */);
}
content = context.source.slice(4, match.index);
// Advancing with reporting nested comments.
const s = context.source.slice(0, match.index);
let prevIndex = 1, nestedIndex = 0;
while ((nestedIndex = s.indexOf('<!--', prevIndex)) !== -1) {
advanceBy(context, nestedIndex - prevIndex + 1);
if (nestedIndex + 4 < s.length) {
emitError(context, 16 /* NESTED_COMMENT */);
}
prevIndex = nestedIndex + 1;
}
advanceBy(context, match.index + match[0].length - prevIndex + 1);
}
return {
type: 3 /* COMMENT */,
content,
loc: getSelection(context, start)
};
}
function parseBogusComment(context) {
const start = getCursor(context);
const contentStart = context.source[1] === '?' ? 1 : 2;
let content;
const closeIndex = context.source.indexOf('>');
if (closeIndex === -1) {
content = context.source.slice(contentStart);
advanceBy(context, context.source.length);
}
else {
content = context.source.slice(contentStart, closeIndex);
advanceBy(context, closeIndex + 1);
}
return {
type: 3 /* COMMENT */,
content,
loc: getSelection(context, start)
};
}
function parseElement(context, ancestors) {
// Start tag.
const wasInPre = context.inPre;
const wasInVPre = context.inVPre;
const parent = last(ancestors);
const element = parseTag(context, 0 /* Start */, parent);
const isPreBoundary = context.inPre && !wasInPre;
const isVPreBoundary = context.inVPre && !wasInVPre;
if (element.isSelfClosing || context.options.isVoidTag(element.tag)) {
// #4030 self-closing <pre> tag
if (isPreBoundary) {
context.inPre = false;
}
if (isVPreBoundary) {
context.inVPre = false;
}
return element;
}
// Children.
ancestors.push(element);
const mode = context.options.getTextMode(element, parent);
const children = parseChildren(context, mode, ancestors);
ancestors.pop();
// 2.x inline-template compat
{
const inlineTemplateProp = element.props.find(p => p.type === 6 /* ATTRIBUTE */ && p.name === 'inline-template');
if (inlineTemplateProp &&
checkCompatEnabled("COMPILER_INLINE_TEMPLATE" /* COMPILER_INLINE_TEMPLATE */, context, inlineTemplateProp.loc)) {
const loc = getSelection(context, element.loc.end);
inlineTemplateProp.value = {
type: 2 /* TEXT */,
content: loc.source,
loc
};
}
}
element.children = children;
// End tag.
if (startsWithEndTagOpen(context.source, element.tag)) {
parseTag(context, 1 /* End */, parent);
}
else {
emitError(context, 24 /* X_MISSING_END_TAG */, 0, element.loc.start);
if (context.source.length === 0 && element.tag.toLowerCase() === 'script') {
const first = children[0];
if (first && startsWith(first.loc.source, '<!--')) {
emitError(context, 8 /* EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT */);
}
}
}
element.loc = getSelection(context, element.loc.start);
if (isPreBoundary) {
context.inPre = false;
}
if (isVPreBoundary) {
context.inVPre = false;
}
return element;
}
const isSpecialTemplateDirective = /*#__PURE__*/ makeMap(`if,else,else-if,for,slot`);
function parseTag(context, type, parent) {
// Tag open.
const start = getCursor(context);
const match = /^<\/?([a-z][^\t\r\n\f />]*)/i.exec(context.source);
const tag = match[1];
const ns = context.options.getNamespace(tag, parent);
advanceBy(context, match[0].length);
advanceSpaces(context);
// save current state in case we need to re-parse attributes with v-pre
const cursor = getCursor(context);
const currentSource = context.source;
// check <pre> tag
if (context.options.isPreTag(tag)) {
context.inPre = true;
}
// Attributes.
let props = parseAttributes(context, type);
// check v-pre
if (type === 0 /* Start */ &&
!context.inVPre &&
props.some(p => p.type === 7 /* DIRECTIVE */ && p.name === 'pre')) {
context.inVPre = true;
// reset context
extend(context, cursor);
context.source = currentSource;
// re-parse attrs and filter out v-pre itself
props = parseAttributes(context, type).filter(p => p.name !== 'v-pre');
}
// Tag close.
let isSelfClosing = false;
if (context.source.length === 0) {
emitError(context, 9 /* EOF_IN_TAG */);
}
else {
isSelfClosing = startsWith(context.source, '/>');
if (type === 1 /* End */ && isSelfClosing) {
emitError(context, 4 /* END_TAG_WITH_TRAILING_SOLIDUS */);
}
advanceBy(context, isSelfClosing ? 2 : 1);
}
if (type === 1 /* End */) {
return;
}
// 2.x deprecation checks
if ((process.env.NODE_ENV !== 'production') &&
isCompatEnabled("COMPILER_V_IF_V_FOR_PRECEDENCE" /* COMPILER_V_IF_V_FOR_PRECEDENCE */, context)) {
let hasIf = false;
let hasFor = false;
for (let i = 0; i < props.length; i++) {
const p = props[i];
if (p.type === 7 /* DIRECTIVE */) {
if (p.name === 'if') {
hasIf = true;
}
else if (p.name === 'for') {
hasFor = true;
}
}
if (hasIf && hasFor) {
warnDeprecation("COMPILER_V_IF_V_FOR_PRECEDENCE" /* COMPILER_V_IF_V_FOR_PRECEDENCE */, context, getSelection(context, start));
break;
}
}
}
let tagType = 0 /* ELEMENT */;
if (!context.inVPre) {
if (tag === 'slot') {
tagType = 2 /* SLOT */;
}
else if (tag === 'template') {
if (props.some(p => p.type === 7 /* DIRECTIVE */ && isSpecialTemplateDirective(p.name))) {
tagType = 3 /* TEMPLATE */;
}
}
else if (isComponent(tag, props, context)) {
tagType = 1 /* COMPONENT */;
}
}
return {
type: 1 /* ELEMENT */,
ns,
tag,
tagType,
props,
isSelfClosing,
children: [],
loc: getSelection(context, start),
codegenNode: undefined // to be created during transform phase
};
}
function isComponent(tag, props, context) {
const options = context.options;
if (options.isCustomElement(tag)) {
return false;
}
if (tag === 'component' ||
/^[A-Z]/.test(tag) ||
isCoreComponent(tag) ||
(options.isBuiltInComponent && options.isBuiltInComponent(tag)) ||
(options.isNativeTag && !options.isNativeTag(tag))) {
return true;
}
// at this point the tag should be a native tag, but check for potential "is"
// casting
for (let i = 0; i < props.length; i++) {
const p = props[i];
if (p.type === 6 /* ATTRIBUTE */) {
if (p.name === 'is' && p.value) {
if (p.value.content.startsWith('vue:')) {
return true;
}
else if (checkCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context, p.loc)) {
return true;
}
}
}
else {
// directive
// v-is (TODO Deprecate)
if (p.name === 'is') {
return true;
}
else if (
// :is on plain element - only treat as component in compat mode
p.name === 'bind' &&
isStaticArgOf(p.arg, 'is') &&
true &&
checkCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context, p.loc)) {
return true;
}
}
}
}
function parseAttributes(context, type) {
const props = [];
const attributeNames = new Set();
while (context.source.length > 0 &&
!startsWith(context.source, '>') &&
!startsWith(context.source, '/>')) {
if (startsWith(context.source, '/')) {
emitError(context, 22 /* UNEXPECTED_SOLIDUS_IN_TAG */);
advanceBy(context, 1);
advanceSpaces(context);
continue;
}
if (type === 1 /* End */) {
emitError(context, 3 /* END_TAG_WITH_ATTRIBUTES */);
}
const attr = parseAttribute(context, attributeNames);
// Trim whitespace between class
// https://github.com/vuejs/core/issues/4251
if (attr.type === 6 /* ATTRIBUTE */ &&
attr.value &&
attr.name === 'class') {
attr.value.content = attr.value.content.replace(/\s+/g, ' ').trim();
}
if (type === 0 /* Start */) {
props.push(attr);
}
if (/^[^\t\r\n\f />]/.test(context.source)) {
emitError(context, 15 /* MISSING_WHITESPACE_BETWEEN_ATTRIBUTES */);
}
advanceSpaces(context);
}
return props;
}
function parseAttribute(context, nameSet) {
// Name.
const start = getCursor(context);
const match = /^[^\t\r\n\f />][^\t\r\n\f />=]*/.exec(context.source);
const name = match[0];
if (nameSet.has(name)) {
emitError(context, 2 /* DUPLICATE_ATTRIBUTE */);
}
nameSet.add(name);
if (name[0] === '=') {
emitError(context, 19 /* UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME */);
}
{
const pattern = /["'<]/g;
let m;
while ((m = pattern.exec(name))) {
emitError(context, 17 /* UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME */, m.index);
}
}
advanceBy(context, name.length);
// Value
let value = undefined;
if (/^[\t\r\n\f ]*=/.test(context.source)) {
advanceSpaces(context);
advanceBy(context, 1);
advanceSpaces(context);
value = parseAttributeValue(context);
if (!value) {
emitError(context, 13 /* MISSING_ATTRIBUTE_VALUE */);
}
}
const loc = getSelection(context, start);
if (!context.inVPre && /^(v-[A-Za-z0-9-]|:|\.|@|#)/.test(name)) {
const match = /(?:^v-([a-z0-9-]+))?(?:(?::|^\.|^@|^#)(\[[^\]]+\]|[^\.]+))?(.+)?$/i.exec(name);
let isPropShorthand = startsWith(name, '.');
let dirName = match[1] ||
(isPropShorthand || startsWith(name, ':')
? 'bind'
: startsWith(name, '@')
? 'on'
: 'slot');
let arg;
if (match[2]) {
const isSlot = dirName === 'slot';
const startOffset = name.lastIndexOf(match[2]);
const loc = getSelection(context, getNewPosition(context, start, startOffset), getNewPosition(context, start, startOffset + match[2].length + ((isSlot && match[3]) || '').length));
let content = match[2];
let isStatic = true;
if (content.startsWith('[')) {
isStatic = false;
if (!content.endsWith(']')) {
emitError(context, 27 /* X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END */);
content = content.slice(1);
}
else {
content = content.slice(1, content.length - 1);
}
}
else if (isSlot) {
// #1241 special case for v-slot: vuetify relies extensively on slot
// names containing dots. v-slot doesn't have any modifiers and Vue 2.x
// supports such usage so we are keeping it consistent with 2.x.
content += match[3] || '';
}
arg = {
type: 4 /* SIMPLE_EXPRESSION */,
content,
isStatic,
constType: isStatic
? 3 /* CAN_STRINGIFY */
: 0 /* NOT_CONSTANT */,
loc
};
}
if (value && value.isQuoted) {
const valueLoc = value.loc;
valueLoc.start.offset++;
valueLoc.start.column++;
valueLoc.end = advancePositionWithClone(valueLoc.start, value.content);
valueLoc.source = valueLoc.source.slice(1, -1);
}
const modifiers = match[3] ? match[3].slice(1).split('.') : [];
if (isPropShorthand)
modifiers.push('prop');
// 2.x compat v-bind:foo.sync -> v-model:foo
if (dirName === 'bind' && arg) {
if (modifiers.includes('sync') &&
checkCompatEnabled("COMPILER_V_BIND_SYNC" /* COMPILER_V_BIND_SYNC */, context, loc, arg.loc.source)) {
dirName = 'model';
modifiers.splice(modifiers.indexOf('sync'), 1);
}
if ((process.env.NODE_ENV !== 'production') && modifiers.includes('prop')) {
checkCompatEnabled("COMPILER_V_BIND_PROP" /* COMPILER_V_BIND_PROP */, context, loc);
}
}
return {
type: 7 /* DIRECTIVE */,
name: dirName,
exp: value && {
type: 4 /* SIMPLE_EXPRESSION */,
content: value.content,
isStatic: false,
// Treat as non-constant by default. This can be potentially set to
// other values by `transformExpression` to make it eligible for hoisting.
constType: 0 /* NOT_CONSTANT */,
loc: value.loc
},
arg,
modifiers,
loc
};
}
// missing directive name or illegal directive name
if (!context.inVPre && startsWith(name, 'v-')) {
emitError(context, 26 /* X_MISSING_DIRECTIVE_NAME */);
}
return {
type: 6 /* ATTRIBUTE */,
name,
value: value && {
type: 2 /* TEXT */,
content: value.content,
loc: value.loc
},
loc
};
}
function parseAttributeValue(context) {
const start = getCursor(context);
let content;
const quote = context.source[0];
const isQuoted = quote === `"` || quote === `'`;
if (isQuoted) {
// Quoted value.
advanceBy(context, 1);
const endIndex = context.source.indexOf(quote);
if (endIndex === -1) {
content = parseTextData(context, context.source.length, 4 /* ATTRIBUTE_VALUE */);
}
else {
content = parseTextData(context, endIndex, 4 /* ATTRIBUTE_VALUE */);
advanceBy(context, 1);
}
}
else {
// Unquoted
const match = /^[^\t\r\n\f >]+/.exec(context.source);
if (!match) {
return undefined;
}
const unexpectedChars = /["'<=`]/g;
let m;
while ((m = unexpectedChars.exec(match[0]))) {
emitError(context, 18 /* UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE */, m.index);
}
content = parseTextData(context, match[0].length, 4 /* ATTRIBUTE_VALUE */);
}
return { content, isQuoted, loc: getSelection(context, start) };
}
function parseInterpolation(context, mode) {
const [open, close] = context.options.delimiters;
const closeIndex = context.source.indexOf(close, open.length);
if (closeIndex === -1) {
emitError(context, 25 /* X_MISSING_INTERPOLATION_END */);
return undefined;
}
const start = getCursor(context);
advanceBy(context, open.length);
const innerStart = getCursor(context);
const innerEnd = getCursor(context);
const rawContentLength = closeIndex - open.length;
const rawContent = context.source.slice(0, rawContentLength);
const preTrimContent = parseTextData(context, rawContentLength, mode);
const content = preTrimContent.trim();
const startOffset = preTrimContent.indexOf(content);
if (startOffset > 0) {
advancePositionWithMutation(innerStart, rawContent, startOffset);
}
const endOffset = rawContentLength - (preTrimContent.length - content.length - startOffset);
advancePositionWithMutation(innerEnd, rawContent, endOffset);
advanceBy(context, close.length);
return {
type: 5 /* INTERPOLATION */,
content: {
type: 4 /* SIMPLE_EXPRESSION */,
isStatic: false,
// Set `isConstant` to false by default and will decide in transformExpression
constType: 0 /* NOT_CONSTANT */,
content,
loc: getSelection(context, innerStart, innerEnd)
},
loc: getSelection(context, start)
};
}
function parseText(context, mode) {
const endTokens = mode === 3 /* CDATA */ ? [']]>'] : ['<', context.options.delimiters[0]];
let endIndex = context.source.length;
for (let i = 0; i < endTokens.length; i++) {
const index = context.source.indexOf(endTokens[i], 1);
if (index !== -1 && endIndex > index) {
endIndex = index;
}
}
const start = getCursor(context);
const content = parseTextData(context, endIndex, mode);
return {
type: 2 /* TEXT */,
content,
loc: getSelection(context, start)
};
}
/**
* Get text data with a given length from the current location.
* This translates HTML entities in the text data.
*/
function parseTextData(context, length, mode) {
const rawText = context.source.slice(0, length);
advanceBy(context, length);
if (mode === 2 /* RAWTEXT */ ||
mode === 3 /* CDATA */ ||
!rawText.includes('&')) {
return rawText;
}
else {
// DATA or RCDATA containing "&"". Entity decoding required.
return context.options.decodeEntities(rawText, mode === 4 /* ATTRIBUTE_VALUE */);
}
}
function getCursor(context) {
const { column, line, offset } = context;
return { column, line, offset };
}
function getSelection(context, start, end) {
end = end || getCursor(context);
return {
start,
end,
source: context.originalSource.slice(start.offset, end.offset)
};
}
function last(xs) {
return xs[xs.length - 1];
}
function startsWith(source, searchString) {
return source.startsWith(searchString);
}
function advanceBy(context, numberOfCharacters) {
const { source } = context;
advancePositionWithMutation(context, source, numberOfCharacters);
context.source = source.slice(numberOfCharacters);
}
function advanceSpaces(context) {
const match = /^[\t\r\n\f ]+/.exec(context.source);
if (match) {
advanceBy(context, match[0].length);
}
}
function getNewPosition(context, start, numberOfCharacters) {
return advancePositionWithClone(start, context.originalSource.slice(start.offset, numberOfCharacters), numberOfCharacters);
}
function emitError(context, code, offset, loc = getCursor(context)) {
if (offset) {
loc.offset += offset;
loc.column += offset;
}
context.options.onError(createCompilerError(code, {
start: loc,
end: loc,
source: ''
}));
}
function isEnd(context, mode, ancestors) {
const s = context.source;
switch (mode) {
case 0 /* DATA */:
if (startsWith(s, '</')) {
// TODO: probably bad performance
for (let i = ancestors.length - 1; i >= 0; --i) {
if (startsWithEndTagOpen(s, ancestors[i].tag)) {
return true;
}
}
}
break;
case 1 /* RCDATA */:
case 2 /* RAWTEXT */: {
const parent = last(ancestors);
if (parent && startsWithEndTagOpen(s, parent.tag)) {
return true;
}
break;
}
case 3 /* CDATA */:
if (startsWith(s, ']]>')) {
return true;
}
break;
}
return !s;
}
function startsWithEndTagOpen(source, tag) {
return (startsWith(source, '</') &&
source.slice(2, 2 + tag.length).toLowerCase() === tag.toLowerCase() &&
/[\t\r\n\f />]/.test(source[2 + tag.length] || '>'));
}
function hoistStatic(root, context) {
walk(root, context,
// Root node is unfortunately non-hoistable due to potential parent
// fallthrough attributes.
isSingleElementRoot(root, root.children[0]));
}
function isSingleElementRoot(root, child) {
const { children } = root;
return (children.length === 1 &&
child.type === 1 /* ELEMENT */ &&
!isSlotOutlet(child));
}
function walk(node, context, doNotHoistNode = false) {
const { children } = node;
const originalCount = children.length;
let hoistedCount = 0;
for (let i = 0; i < children.length; i++) {
const child = children[i];
// only plain elements & text calls are eligible for hoisting.
if (child.type === 1 /* ELEMENT */ &&
child.tagType === 0 /* ELEMENT */) {
const constantType = doNotHoistNode
? 0 /* NOT_CONSTANT */
: getConstantType(child, context);
if (constantType > 0 /* NOT_CONSTANT */) {
if (constantType >= 2 /* CAN_HOIST */) {
child.codegenNode.patchFlag =
-1 /* HOISTED */ + ((process.env.NODE_ENV !== 'production') ? ` /* HOISTED */` : ``);
child.codegenNode = context.hoist(child.codegenNode);
hoistedCount++;
continue;
}
}
else {
// node may contain dynamic children, but its props may be eligible for
// hoisting.
const codegenNode = child.codegenNode;
if (codegenNode.type === 13 /* VNODE_CALL */) {
const flag = getPatchFlag(codegenNode);
if ((!flag ||
flag === 512 /* NEED_PATCH */ ||
flag === 1 /* TEXT */) &&
getGeneratedPropsConstantType(child, context) >=
2 /* CAN_HOIST */) {
const props = getNodeProps(child);
if (props) {
codegenNode.props = context.hoist(props);
}
}
if (codegenNode.dynamicProps) {
codegenNode.dynamicProps = context.hoist(codegenNode.dynamicProps);
}
}
}
}
else if (child.type === 12 /* TEXT_CALL */ &&
getConstantType(child.content, context) >= 2 /* CAN_HOIST */) {
child.codegenNode = context.hoist(child.codegenNode);
hoistedCount++;
}
// walk further
if (child.type === 1 /* ELEMENT */) {
const isComponent = child.tagType === 1 /* COMPONENT */;
if (isComponent) {
context.scopes.vSlot++;
}
walk(child, context);
if (isComponent) {
context.scopes.vSlot--;
}
}
else if (child.type === 11 /* FOR */) {
// Do not hoist v-for single child because it has to be a block
walk(child, context, child.children.length === 1);
}
else if (child.type === 9 /* IF */) {
for (let i = 0; i < child.branches.length; i++) {
// Do not hoist v-if single child because it has to be a block
walk(child.branches[i], context, child.branches[i].children.length === 1);
}
}
}
if (hoistedCount && context.transformHoist) {
context.transformHoist(children, context, node);
}
// all children were hoisted - the entire children array is hoistable.
if (hoistedCount &&
hoistedCount === originalCount &&
node.type === 1 /* ELEMENT */ &&
node.tagType === 0 /* ELEMENT */ &&
node.codegenNode &&
node.codegenNode.type === 13 /* VNODE_CALL */ &&
isArray(node.codegenNode.children)) {
node.codegenNode.children = context.hoist(createArrayExpression(node.codegenNode.children));
}
}
function getConstantType(node, context) {
const { constantCache } = context;
switch (node.type) {
case 1 /* ELEMENT */:
if (node.tagType !== 0 /* ELEMENT */) {
return 0 /* NOT_CONSTANT */;
}
const cached = constantCache.get(node);
if (cached !== undefined) {
return cached;
}
const codegenNode = node.codegenNode;
if (codegenNode.type !== 13 /* VNODE_CALL */) {
return 0 /* NOT_CONSTANT */;
}
if (codegenNode.isBlock &&
node.tag !== 'svg' &&
node.tag !== 'foreignObject') {
return 0 /* NOT_CONSTANT */;
}
const flag = getPatchFlag(codegenNode);
if (!flag) {
let returnType = 3 /* CAN_STRINGIFY */;
// Element itself has no patch flag. However we still need to check:
// 1. Even for a node with no patch flag, it is possible for it to contain
// non-hoistable expressions that refers to scope variables, e.g. compiler
// injected keys or cached event handlers. Therefore we need to always
// check the codegenNode's props to be sure.
const generatedPropsType = getGeneratedPropsConstantType(node, context);
if (generatedPropsType === 0 /* NOT_CONSTANT */) {
constantCache.set(node, 0 /* NOT_CONSTANT */);
return 0 /* NOT_CONSTANT */;
}
if (generatedPropsType < returnType) {
returnType = generatedPropsType;
}
// 2. its children.
for (let i = 0; i < node.children.length; i++) {
const childType = getConstantType(node.children[i], context);
if (childType === 0 /* NOT_CONSTANT */) {
constantCache.set(node, 0 /* NOT_CONSTANT */);
return 0 /* NOT_CONSTANT */;
}
if (childType < returnType) {
returnType = childType;
}
}
// 3. if the type is not already CAN_SKIP_PATCH which is the lowest non-0
// type, check if any of the props can cause the type to be lowered
// we can skip can_patch because it's guaranteed by the absence of a
// patchFlag.
if (returnType > 1 /* CAN_SKIP_PATCH */) {
for (let i = 0; i < node.props.length; i++) {
const p = node.props[i];
if (p.type === 7 /* DIRECTIVE */ && p.name === 'bind' && p.exp) {
const expType = getConstantType(p.exp, context);
if (expType === 0 /* NOT_CONSTANT */) {
constantCache.set(node, 0 /* NOT_CONSTANT */);
return 0 /* NOT_CONSTANT */;
}
if (expType < returnType) {
returnType = expType;
}
}
}
}
// only svg/foreignObject could be block here, however if they are
// static then they don't need to be blocks since there will be no
// nested updates.
if (codegenNode.isBlock) {
// except set custom directives.
for (let i = 0; i < node.props.length; i++) {
const p = node.props[i];
if (p.type === 7 /* DIRECTIVE */) {
constantCache.set(node, 0 /* NOT_CONSTANT */);
return 0 /* NOT_CONSTANT */;
}
}
context.removeHelper(OPEN_BLOCK);
context.removeHelper(getVNodeBlockHelper(context.inSSR, codegenNode.isComponent));
codegenNode.isBlock = false;
context.helper(getVNodeHelper(context.inSSR, codegenNode.isComponent));
}
constantCache.set(node, returnType);
return returnType;
}
else {
constantCache.set(node, 0 /* NOT_CONSTANT */);
return 0 /* NOT_CONSTANT */;
}
case 2 /* TEXT */:
case 3 /* COMMENT */:
return 3 /* CAN_STRINGIFY */;
case 9 /* IF */:
case 11 /* FOR */:
case 10 /* IF_BRANCH */:
return 0 /* NOT_CONSTANT */;
case 5 /* INTERPOLATION */:
case 12 /* TEXT_CALL */:
return getConstantType(node.content, context);
case 4 /* SIMPLE_EXPRESSION */:
return node.constType;
case 8 /* COMPOUND_EXPRESSION */:
let returnType = 3 /* CAN_STRINGIFY */;
for (let i = 0; i < node.children.length; i++) {
const child = node.children[i];
if (isString(child) || isSymbol(child)) {
continue;
}
const childType = getConstantType(child, context);
if (childType === 0 /* NOT_CONSTANT */) {
return 0 /* NOT_CONSTANT */;
}
else if (childType < returnType) {
returnType = childType;
}
}
return returnType;
default:
if ((process.env.NODE_ENV !== 'production')) ;
return 0 /* NOT_CONSTANT */;
}
}
const allowHoistedHelperSet = new Set([
NORMALIZE_CLASS,
NORMALIZE_STYLE,
NORMALIZE_PROPS,
GUARD_REACTIVE_PROPS
]);
function getConstantTypeOfHelperCall(value, context) {
if (value.type === 14 /* JS_CALL_EXPRESSION */ &&
!isString(value.callee) &&
allowHoistedHelperSet.has(value.callee)) {
const arg = value.arguments[0];
if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
return getConstantType(arg, context);
}
else if (arg.type === 14 /* JS_CALL_EXPRESSION */) {
// in the case of nested helper call, e.g. `normalizeProps(guardReactiveProps(exp))`
return getConstantTypeOfHelperCall(arg, context);
}
}
return 0 /* NOT_CONSTANT */;
}
function getGeneratedPropsConstantType(node, context) {
let returnType = 3 /* CAN_STRINGIFY */;
const props = getNodeProps(node);
if (props && props.type === 15 /* JS_OBJECT_EXPRESSION */) {
const { properties } = props;
for (let i = 0; i < properties.length; i++) {
const { key, value } = properties[i];
const keyType = getConstantType(key, context);
if (keyType === 0 /* NOT_CONSTANT */) {
return keyType;
}
if (keyType < returnType) {
returnType = keyType;
}
let valueType;
if (value.type === 4 /* SIMPLE_EXPRESSION */) {
valueType = getConstantType(value, context);
}
else if (value.type === 14 /* JS_CALL_EXPRESSION */) {
// some helper calls can be hoisted,
// such as the `normalizeProps` generated by the compiler for pre-normalize class,
// in this case we need to respect the ConstantType of the helper's arguments
valueType = getConstantTypeOfHelperCall(value, context);
}
else {
valueType = 0 /* NOT_CONSTANT */;
}
if (valueType === 0 /* NOT_CONSTANT */) {
return valueType;
}
if (valueType < returnType) {
returnType = valueType;
}
}
}
return returnType;
}
function getNodeProps(node) {
const codegenNode = node.codegenNode;
if (codegenNode.type === 13 /* VNODE_CALL */) {
return codegenNode.props;
}
}
function getPatchFlag(node) {
const flag = node.patchFlag;
return flag ? parseInt(flag, 10) : undefined;
}
function createTransformContext(root, { filename = '', prefixIdentifiers = false, hoistStatic = false, cacheHandlers = false, nodeTransforms = [], directiveTransforms = {}, transformHoist = null, isBuiltInComponent = NOOP, isCustomElement = NOOP, expressionPlugins = [], scopeId = null, slotted = true, ssr = false, inSSR = false, ssrCssVars = ``, bindingMetadata = EMPTY_OBJ, inline = false, isTS = false, onError = defaultOnError, onWarn = defaultOnWarn, compatConfig }) {
const nameMatch = filename.replace(/\?.*$/, '').match(/([^/\\]+)\.\w+$/);
const context = {
// options
selfName: nameMatch && capitalize(camelize$1(nameMatch[1])),
prefixIdentifiers,
hoistStatic,
cacheHandlers,
nodeTransforms,
directiveTransforms,
transformHoist,
isBuiltInComponent,
isCustomElement,
expressionPlugins,
scopeId,
slotted,
ssr,
inSSR,
ssrCssVars,
bindingMetadata,
inline,
isTS,
onError,
onWarn,
compatConfig,
// state
root,
helpers: new Map(),
components: new Set(),
directives: new Set(),
hoists: [],
imports: [],
constantCache: new Map(),
temps: 0,
cached: 0,
identifiers: Object.create(null),
scopes: {
vFor: 0,
vSlot: 0,
vPre: 0,
vOnce: 0
},
parent: null,
currentNode: root,
childIndex: 0,
inVOnce: false,
// methods
helper(name) {
const count = context.helpers.get(name) || 0;
context.helpers.set(name, count + 1);
return name;
},
removeHelper(name) {
const count = context.helpers.get(name);
if (count) {
const currentCount = count - 1;
if (!currentCount) {
context.helpers.delete(name);
}
else {
context.helpers.set(name, currentCount);
}
}
},
helperString(name) {
return `_${helperNameMap[context.helper(name)]}`;
},
replaceNode(node) {
/* istanbul ignore if */
if ((process.env.NODE_ENV !== 'production')) {
if (!context.currentNode) {
throw new Error(`Node being replaced is already removed.`);
}
if (!context.parent) {
throw new Error(`Cannot replace root node.`);
}
}
context.parent.children[context.childIndex] = context.currentNode = node;
},
removeNode(node) {
if ((process.env.NODE_ENV !== 'production') && !context.parent) {
throw new Error(`Cannot remove root node.`);
}
const list = context.parent.children;
const removalIndex = node
? list.indexOf(node)
: context.currentNode
? context.childIndex
: -1;
/* istanbul ignore if */
if ((process.env.NODE_ENV !== 'production') && removalIndex < 0) {
throw new Error(`node being removed is not a child of current parent`);
}
if (!node || node === context.currentNode) {
// current node removed
context.currentNode = null;
context.onNodeRemoved();
}
else {
// sibling node removed
if (context.childIndex > removalIndex) {
context.childIndex--;
context.onNodeRemoved();
}
}
context.parent.children.splice(removalIndex, 1);
},
onNodeRemoved: () => { },
addIdentifiers(exp) {
},
removeIdentifiers(exp) {
},
hoist(exp) {
if (isString(exp))
exp = createSimpleExpression(exp);
context.hoists.push(exp);
const identifier = createSimpleExpression(`_hoisted_${context.hoists.length}`, false, exp.loc, 2 /* CAN_HOIST */);
identifier.hoisted = exp;
return identifier;
},
cache(exp, isVNode = false) {
return createCacheExpression(context.cached++, exp, isVNode);
}
};
{
context.filters = new Set();
}
return context;
}
function transform(root, options) {
const context = createTransformContext(root, options);
traverseNode(root, context);
if (options.hoistStatic) {
hoistStatic(root, context);
}
if (!options.ssr) {
createRootCodegen(root, context);
}
// finalize meta information
root.helpers = [...context.helpers.keys()];
root.components = [...context.components];
root.directives = [...context.directives];
root.imports = context.imports;
root.hoists = context.hoists;
root.temps = context.temps;
root.cached = context.cached;
{
root.filters = [...context.filters];
}
}
function createRootCodegen(root, context) {
const { helper } = context;
const { children } = root;
if (children.length === 1) {
const child = children[0];
// if the single child is an element, turn it into a block.
if (isSingleElementRoot(root, child) && child.codegenNode) {
// single element root is never hoisted so codegenNode will never be
// SimpleExpressionNode
const codegenNode = child.codegenNode;
if (codegenNode.type === 13 /* VNODE_CALL */) {
makeBlock(codegenNode, context);
}
root.codegenNode = codegenNode;
}
else {
// - single <slot/>, IfNode, ForNode: already blocks.
// - single text node: always patched.
// root codegen falls through via genNode()
root.codegenNode = child;
}
}
else if (children.length > 1) {
// root has multiple nodes - return a fragment block.
let patchFlag = 64 /* STABLE_FRAGMENT */;
let patchFlagText = PatchFlagNames[64 /* STABLE_FRAGMENT */];
// check if the fragment actually contains a single valid child with
// the rest being comments
if ((process.env.NODE_ENV !== 'production') &&
children.filter(c => c.type !== 3 /* COMMENT */).length === 1) {
patchFlag |= 2048 /* DEV_ROOT_FRAGMENT */;
patchFlagText += `, ${PatchFlagNames[2048 /* DEV_ROOT_FRAGMENT */]}`;
}
root.codegenNode = createVNodeCall(context, helper(FRAGMENT), undefined, root.children, patchFlag + ((process.env.NODE_ENV !== 'production') ? ` /* ${patchFlagText} */` : ``), undefined, undefined, true, undefined, false /* isComponent */);
}
else ;
}
function traverseChildren(parent, context) {
let i = 0;
const nodeRemoved = () => {
i--;
};
for (; i < parent.children.length; i++) {
const child = parent.children[i];
if (isString(child))
continue;
context.parent = parent;
context.childIndex = i;
context.onNodeRemoved = nodeRemoved;
traverseNode(child, context);
}
}
function traverseNode(node, context) {
context.currentNode = node;
// apply transform plugins
const { nodeTransforms } = context;
const exitFns = [];
for (let i = 0; i < nodeTransforms.length; i++) {
const onExit = nodeTransforms[i](node, context);
if (onExit) {
if (isArray(onExit)) {
exitFns.push(...onExit);
}
else {
exitFns.push(onExit);
}
}
if (!context.currentNode) {
// node was removed
return;
}
else {
// node may have been replaced
node = context.currentNode;
}
}
switch (node.type) {
case 3 /* COMMENT */:
if (!context.ssr) {
// inject import for the Comment symbol, which is needed for creating
// comment nodes with `createVNode`
context.helper(CREATE_COMMENT);
}
break;
case 5 /* INTERPOLATION */:
// no need to traverse, but we need to inject toString helper
if (!context.ssr) {
context.helper(TO_DISPLAY_STRING);
}
break;
// for container types, further traverse downwards
case 9 /* IF */:
for (let i = 0; i < node.branches.length; i++) {
traverseNode(node.branches[i], context);
}
break;
case 10 /* IF_BRANCH */:
case 11 /* FOR */:
case 1 /* ELEMENT */:
case 0 /* ROOT */:
traverseChildren(node, context);
break;
}
// exit transforms
context.currentNode = node;
let i = exitFns.length;
while (i--) {
exitFns[i]();
}
}
function createStructuralDirectiveTransform(name, fn) {
const matches = isString(name)
? (n) => n === name
: (n) => name.test(n);
return (node, context) => {
if (node.type === 1 /* ELEMENT */) {
const { props } = node;
// structural directive transforms are not concerned with slots
// as they are handled separately in vSlot.ts
if (node.tagType === 3 /* TEMPLATE */ && props.some(isVSlot)) {
return;
}
const exitFns = [];
for (let i = 0; i < props.length; i++) {
const prop = props[i];
if (prop.type === 7 /* DIRECTIVE */ && matches(prop.name)) {
// structural directives are removed to avoid infinite recursion
// also we remove them *before* applying so that it can further
// traverse itself in case it moves the node around
props.splice(i, 1);
i--;
const onExit = fn(node, prop, context);
if (onExit)
exitFns.push(onExit);
}
}
return exitFns;
}
};
}
const PURE_ANNOTATION = `/*#__PURE__*/`;
const aliasHelper = (s) => `${helperNameMap[s]}: _${helperNameMap[s]}`;
function createCodegenContext(ast, { mode = 'function', prefixIdentifiers = mode === 'module', sourceMap = false, filename = `template.vue.html`, scopeId = null, optimizeImports = false, runtimeGlobalName = `Vue`, runtimeModuleName = `vue`, ssrRuntimeModuleName = 'vue/server-renderer', ssr = false, isTS = false, inSSR = false }) {
const context = {
mode,
prefixIdentifiers,
sourceMap,
filename,
scopeId,
optimizeImports,
runtimeGlobalName,
runtimeModuleName,
ssrRuntimeModuleName,
ssr,
isTS,
inSSR,
source: ast.loc.source,
code: ``,
column: 1,
line: 1,
offset: 0,
indentLevel: 0,
pure: false,
map: undefined,
helper(key) {
return `_${helperNameMap[key]}`;
},
push(code, node) {
context.code += code;
},
indent() {
newline(++context.indentLevel);
},
deindent(withoutNewLine = false) {
if (withoutNewLine) {
--context.indentLevel;
}
else {
newline(--context.indentLevel);
}
},
newline() {
newline(context.indentLevel);
}
};
function newline(n) {
context.push('\n' + ` `.repeat(n));
}
return context;
}
function generate(ast, options = {}) {
const context = createCodegenContext(ast, options);
if (options.onContextCreated)
options.onContextCreated(context);
const { mode, push, prefixIdentifiers, indent, deindent, newline, scopeId, ssr } = context;
const hasHelpers = ast.helpers.length > 0;
const useWithBlock = !prefixIdentifiers && mode !== 'module';
// preambles
// in setup() inline mode, the preamble is generated in a sub context
// and returned separately.
const preambleContext = context;
{
genFunctionPreamble(ast, preambleContext);
}
// enter render function
const functionName = ssr ? `ssrRender` : `render`;
const args = ssr ? ['_ctx', '_push', '_parent', '_attrs'] : ['_ctx', '_cache'];
const signature = args.join(', ');
{
push(`function ${functionName}(${signature}) {`);
}
indent();
if (useWithBlock) {
push(`with (_ctx) {`);
indent();
// function mode const declarations should be inside with block
// also they should be renamed to avoid collision with user properties
if (hasHelpers) {
push(`const { ${ast.helpers.map(aliasHelper).join(', ')} } = _Vue`);
push(`\n`);
newline();
}
}
// generate asset resolution statements
if (ast.components.length) {
genAssets(ast.components, 'component', context);
if (ast.directives.length || ast.temps > 0) {
newline();
}
}
if (ast.directives.length) {
genAssets(ast.directives, 'directive', context);
if (ast.temps > 0) {
newline();
}
}
if (ast.filters && ast.filters.length) {
newline();
genAssets(ast.filters, 'filter', context);
newline();
}
if (ast.temps > 0) {
push(`let `);
for (let i = 0; i < ast.temps; i++) {
push(`${i > 0 ? `, ` : ``}_temp${i}`);
}
}
if (ast.components.length || ast.directives.length || ast.temps) {
push(`\n`);
newline();
}
// generate the VNode tree expression
if (!ssr) {
push(`return `);
}
if (ast.codegenNode) {
genNode(ast.codegenNode, context);
}
else {
push(`null`);
}
if (useWithBlock) {
deindent();
push(`}`);
}
deindent();
push(`}`);
return {
ast,
code: context.code,
preamble: ``,
// SourceMapGenerator does have toJSON() method but it's not in the types
map: context.map ? context.map.toJSON() : undefined
};
}
function genFunctionPreamble(ast, context) {
const { ssr, prefixIdentifiers, push, newline, runtimeModuleName, runtimeGlobalName, ssrRuntimeModuleName } = context;
const VueBinding = runtimeGlobalName;
// Generate const declaration for helpers
// In prefix mode, we place the const declaration at top so it's done
// only once; But if we not prefixing, we place the declaration inside the
// with block so it doesn't incur the `in` check cost for every helper access.
if (ast.helpers.length > 0) {
{
// "with" mode.
// save Vue in a separate variable to avoid collision
push(`const _Vue = ${VueBinding}\n`);
// in "with" mode, helpers are declared inside the with block to avoid
// has check cost, but hoists are lifted out of the function - we need
// to provide the helper here.
if (ast.hoists.length) {
const staticHelpers = [
CREATE_VNODE,
CREATE_ELEMENT_VNODE,
CREATE_COMMENT,
CREATE_TEXT,
CREATE_STATIC
]
.filter(helper => ast.helpers.includes(helper))
.map(aliasHelper)
.join(', ');
push(`const { ${staticHelpers} } = _Vue\n`);
}
}
}
genHoists(ast.hoists, context);
newline();
push(`return `);
}
function genAssets(assets, type, { helper, push, newline, isTS }) {
const resolver = helper(type === 'filter'
? RESOLVE_FILTER
: type === 'component'
? RESOLVE_COMPONENT
: RESOLVE_DIRECTIVE);
for (let i = 0; i < assets.length; i++) {
let id = assets[i];
// potential component implicit self-reference inferred from SFC filename
const maybeSelfReference = id.endsWith('__self');
if (maybeSelfReference) {
id = id.slice(0, -6);
}
push(`const ${toValidAssetId(id, type)} = ${resolver}(${JSON.stringify(id)}${maybeSelfReference ? `, true` : ``})${isTS ? `!` : ``}`);
if (i < assets.length - 1) {
newline();
}
}
}
function genHoists(hoists, context) {
if (!hoists.length) {
return;
}
context.pure = true;
const { push, newline, helper, scopeId, mode } = context;
newline();
for (let i = 0; i < hoists.length; i++) {
const exp = hoists[i];
if (exp) {
push(`const _hoisted_${i + 1} = ${``}`);
genNode(exp, context);
newline();
}
}
context.pure = false;
}
function isText$1(n) {
return (isString(n) ||
n.type === 4 /* SIMPLE_EXPRESSION */ ||
n.type === 2 /* TEXT */ ||
n.type === 5 /* INTERPOLATION */ ||
n.type === 8 /* COMPOUND_EXPRESSION */);
}
function genNodeListAsArray(nodes, context) {
const multilines = nodes.length > 3 ||
(((process.env.NODE_ENV !== 'production')) && nodes.some(n => isArray(n) || !isText$1(n)));
context.push(`[`);
multilines && context.indent();
genNodeList(nodes, context, multilines);
multilines && context.deindent();
context.push(`]`);
}
function genNodeList(nodes, context, multilines = false, comma = true) {
const { push, newline } = context;
for (let i = 0; i < nodes.length; i++) {
const node = nodes[i];
if (isString(node)) {
push(node);
}
else if (isArray(node)) {
genNodeListAsArray(node, context);
}
else {
genNode(node, context);
}
if (i < nodes.length - 1) {
if (multilines) {
comma && push(',');
newline();
}
else {
comma && push(', ');
}
}
}
}
function genNode(node, context) {
if (isString(node)) {
context.push(node);
return;
}
if (isSymbol(node)) {
context.push(context.helper(node));
return;
}
switch (node.type) {
case 1 /* ELEMENT */:
case 9 /* IF */:
case 11 /* FOR */:
(process.env.NODE_ENV !== 'production') &&
assert(node.codegenNode != null, `Codegen node is missing for element/if/for node. ` +
`Apply appropriate transforms first.`);
genNode(node.codegenNode, context);
break;
case 2 /* TEXT */:
genText(node, context);
break;
case 4 /* SIMPLE_EXPRESSION */:
genExpression(node, context);
break;
case 5 /* INTERPOLATION */:
genInterpolation(node, context);
break;
case 12 /* TEXT_CALL */:
genNode(node.codegenNode, context);
break;
case 8 /* COMPOUND_EXPRESSION */:
genCompoundExpression(node, context);
break;
case 3 /* COMMENT */:
genComment(node, context);
break;
case 13 /* VNODE_CALL */:
genVNodeCall(node, context);
break;
case 14 /* JS_CALL_EXPRESSION */:
genCallExpression(node, context);
break;
case 15 /* JS_OBJECT_EXPRESSION */:
genObjectExpression(node, context);
break;
case 17 /* JS_ARRAY_EXPRESSION */:
genArrayExpression(node, context);
break;
case 18 /* JS_FUNCTION_EXPRESSION */:
genFunctionExpression(node, context);
break;
case 19 /* JS_CONDITIONAL_EXPRESSION */:
genConditionalExpression(node, context);
break;
case 20 /* JS_CACHE_EXPRESSION */:
genCacheExpression(node, context);
break;
case 21 /* JS_BLOCK_STATEMENT */:
genNodeList(node.body, context, true, false);
break;
// SSR only types
case 22 /* JS_TEMPLATE_LITERAL */:
break;
case 23 /* JS_IF_STATEMENT */:
break;
case 24 /* JS_ASSIGNMENT_EXPRESSION */:
break;
case 25 /* JS_SEQUENCE_EXPRESSION */:
break;
case 26 /* JS_RETURN_STATEMENT */:
break;
/* istanbul ignore next */
case 10 /* IF_BRANCH */:
// noop
break;
default:
if ((process.env.NODE_ENV !== 'production')) {
assert(false, `unhandled codegen node type: ${node.type}`);
// make sure we exhaust all possible types
const exhaustiveCheck = node;
return exhaustiveCheck;
}
}
}
function genText(node, context) {
context.push(JSON.stringify(node.content), node);
}
function genExpression(node, context) {
const { content, isStatic } = node;
context.push(isStatic ? JSON.stringify(content) : content, node);
}
function genInterpolation(node, context) {
const { push, helper, pure } = context;
if (pure)
push(PURE_ANNOTATION);
push(`${helper(TO_DISPLAY_STRING)}(`);
genNode(node.content, context);
push(`)`);
}
function genCompoundExpression(node, context) {
for (let i = 0; i < node.children.length; i++) {
const child = node.children[i];
if (isString(child)) {
context.push(child);
}
else {
genNode(child, context);
}
}
}
function genExpressionAsPropertyKey(node, context) {
const { push } = context;
if (node.type === 8 /* COMPOUND_EXPRESSION */) {
push(`[`);
genCompoundExpression(node, context);
push(`]`);
}
else if (node.isStatic) {
// only quote keys if necessary
const text = isSimpleIdentifier(node.content)
? node.content
: JSON.stringify(node.content);
push(text, node);
}
else {
push(`[${node.content}]`, node);
}
}
function genComment(node, context) {
const { push, helper, pure } = context;
if (pure) {
push(PURE_ANNOTATION);
}
push(`${helper(CREATE_COMMENT)}(${JSON.stringify(node.content)})`, node);
}
function genVNodeCall(node, context) {
const { push, helper, pure } = context;
const { tag, props, children, patchFlag, dynamicProps, directives, isBlock, disableTracking, isComponent } = node;
if (directives) {
push(helper(WITH_DIRECTIVES) + `(`);
}
if (isBlock) {
push(`(${helper(OPEN_BLOCK)}(${disableTracking ? `true` : ``}), `);
}
if (pure) {
push(PURE_ANNOTATION);
}
const callHelper = isBlock
? getVNodeBlockHelper(context.inSSR, isComponent)
: getVNodeHelper(context.inSSR, isComponent);
push(helper(callHelper) + `(`, node);
genNodeList(genNullableArgs([tag, props, children, patchFlag, dynamicProps]), context);
push(`)`);
if (isBlock) {
push(`)`);
}
if (directives) {
push(`, `);
genNode(directives, context);
push(`)`);
}
}
function genNullableArgs(args) {
let i = args.length;
while (i--) {
if (args[i] != null)
break;
}
return args.slice(0, i + 1).map(arg => arg || `null`);
}
// JavaScript
function genCallExpression(node, context) {
const { push, helper, pure } = context;
const callee = isString(node.callee) ? node.callee : helper(node.callee);
if (pure) {
push(PURE_ANNOTATION);
}
push(callee + `(`, node);
genNodeList(node.arguments, context);
push(`)`);
}
function genObjectExpression(node, context) {
const { push, indent, deindent, newline } = context;
const { properties } = node;
if (!properties.length) {
push(`{}`, node);
return;
}
const multilines = properties.length > 1 ||
(((process.env.NODE_ENV !== 'production')) &&
properties.some(p => p.value.type !== 4 /* SIMPLE_EXPRESSION */));
push(multilines ? `{` : `{ `);
multilines && indent();
for (let i = 0; i < properties.length; i++) {
const { key, value } = properties[i];
// key
genExpressionAsPropertyKey(key, context);
push(`: `);
// value
genNode(value, context);
if (i < properties.length - 1) {
// will only reach this if it's multilines
push(`,`);
newline();
}
}
multilines && deindent();
push(multilines ? `}` : ` }`);
}
function genArrayExpression(node, context) {
genNodeListAsArray(node.elements, context);
}
function genFunctionExpression(node, context) {
const { push, indent, deindent } = context;
const { params, returns, body, newline, isSlot } = node;
if (isSlot) {
// wrap slot functions with owner context
push(`_${helperNameMap[WITH_CTX]}(`);
}
push(`(`, node);
if (isArray(params)) {
genNodeList(params, context);
}
else if (params) {
genNode(params, context);
}
push(`) => `);
if (newline || body) {
push(`{`);
indent();
}
if (returns) {
if (newline) {
push(`return `);
}
if (isArray(returns)) {
genNodeListAsArray(returns, context);
}
else {
genNode(returns, context);
}
}
else if (body) {
genNode(body, context);
}
if (newline || body) {
deindent();
push(`}`);
}
if (isSlot) {
if (node.isNonScopedSlot) {
push(`, undefined, true`);
}
push(`)`);
}
}
function genConditionalExpression(node, context) {
const { test, consequent, alternate, newline: needNewline } = node;
const { push, indent, deindent, newline } = context;
if (test.type === 4 /* SIMPLE_EXPRESSION */) {
const needsParens = !isSimpleIdentifier(test.content);
needsParens && push(`(`);
genExpression(test, context);
needsParens && push(`)`);
}
else {
push(`(`);
genNode(test, context);
push(`)`);
}
needNewline && indent();
context.indentLevel++;
needNewline || push(` `);
push(`? `);
genNode(consequent, context);
context.indentLevel--;
needNewline && newline();
needNewline || push(` `);
push(`: `);
const isNested = alternate.type === 19 /* JS_CONDITIONAL_EXPRESSION */;
if (!isNested) {
context.indentLevel++;
}
genNode(alternate, context);
if (!isNested) {
context.indentLevel--;
}
needNewline && deindent(true /* without newline */);
}
function genCacheExpression(node, context) {
const { push, helper, indent, deindent, newline } = context;
push(`_cache[${node.index}] || (`);
if (node.isVNode) {
indent();
push(`${helper(SET_BLOCK_TRACKING)}(-1),`);
newline();
}
push(`_cache[${node.index}] = `);
genNode(node.value, context);
if (node.isVNode) {
push(`,`);
newline();
push(`${helper(SET_BLOCK_TRACKING)}(1),`);
newline();
push(`_cache[${node.index}]`);
deindent();
}
push(`)`);
}
function walkIdentifiers(root, onIdentifier, includeAll = false, parentStack = [], knownIds = Object.create(null)) {
{
return;
}
}
function isReferencedIdentifier(id, parent, parentStack) {
{
return false;
}
}
function isInDestructureAssignment(parent, parentStack) {
if (parent &&
(parent.type === 'ObjectProperty' || parent.type === 'ArrayPattern')) {
let i = parentStack.length;
while (i--) {
const p = parentStack[i];
if (p.type === 'AssignmentExpression') {
return true;
}
else if (p.type !== 'ObjectProperty' && !p.type.endsWith('Pattern')) {
break;
}
}
}
return false;
}
function walkFunctionParams(node, onIdent) {
for (const p of node.params) {
for (const id of extractIdentifiers(p)) {
onIdent(id);
}
}
}
function walkBlockDeclarations(block, onIdent) {
for (const stmt of block.body) {
if (stmt.type === 'VariableDeclaration') {
if (stmt.declare)
continue;
for (const decl of stmt.declarations) {
for (const id of extractIdentifiers(decl.id)) {
onIdent(id);
}
}
}
else if (stmt.type === 'FunctionDeclaration' ||
stmt.type === 'ClassDeclaration') {
if (stmt.declare || !stmt.id)
continue;
onIdent(stmt.id);
}
}
}
function extractIdentifiers(param, nodes = []) {
switch (param.type) {
case 'Identifier':
nodes.push(param);
break;
case 'MemberExpression':
let object = param;
while (object.type === 'MemberExpression') {
object = object.object;
}
nodes.push(object);
break;
case 'ObjectPattern':
for (const prop of param.properties) {
if (prop.type === 'RestElement') {
extractIdentifiers(prop.argument, nodes);
}
else {
extractIdentifiers(prop.value, nodes);
}
}
break;
case 'ArrayPattern':
param.elements.forEach(element => {
if (element)
extractIdentifiers(element, nodes);
});
break;
case 'RestElement':
extractIdentifiers(param.argument, nodes);
break;
case 'AssignmentPattern':
extractIdentifiers(param.left, nodes);
break;
}
return nodes;
}
const isFunctionType = (node) => {
return /Function(?:Expression|Declaration)$|Method$/.test(node.type);
};
const isStaticProperty = (node) => node &&
(node.type === 'ObjectProperty' || node.type === 'ObjectMethod') &&
!node.computed;
const isStaticPropertyKey = (node, parent) => isStaticProperty(parent) && parent.key === node;
// these keywords should not appear inside expressions, but operators like
// typeof, instanceof and in are allowed
const prohibitedKeywordRE = new RegExp('\\b' +
('do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
'super,throw,while,yield,delete,export,import,return,switch,default,' +
'extends,finally,continue,debugger,function,arguments,typeof,void')
.split(',')
.join('\\b|\\b') +
'\\b');
// strip strings in expressions
const stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
/**
* Validate a non-prefixed expression.
* This is only called when using the in-browser runtime compiler since it
* doesn't prefix expressions.
*/
function validateBrowserExpression(node, context, asParams = false, asRawStatements = false) {
const exp = node.content;
// empty expressions are validated per-directive since some directives
// do allow empty expressions.
if (!exp.trim()) {
return;
}
try {
new Function(asRawStatements
? ` ${exp} `
: `return ${asParams ? `(${exp}) => {}` : `(${exp})`}`);
}
catch (e) {
let message = e.message;
const keywordMatch = exp
.replace(stripStringRE, '')
.match(prohibitedKeywordRE);
if (keywordMatch) {
message = `avoid using JavaScript keyword as property name: "${keywordMatch[0]}"`;
}
context.onError(createCompilerError(44 /* X_INVALID_EXPRESSION */, node.loc, undefined, message));
}
}
const transformExpression = (node, context) => {
if (node.type === 5 /* INTERPOLATION */) {
node.content = processExpression(node.content, context);
}
else if (node.type === 1 /* ELEMENT */) {
// handle directives on element
for (let i = 0; i < node.props.length; i++) {
const dir = node.props[i];
// do not process for v-on & v-for since they are special handled
if (dir.type === 7 /* DIRECTIVE */ && dir.name !== 'for') {
const exp = dir.exp;
const arg = dir.arg;
// do not process exp if this is v-on:arg - we need special handling
// for wrapping inline statements.
if (exp &&
exp.type === 4 /* SIMPLE_EXPRESSION */ &&
!(dir.name === 'on' && arg)) {
dir.exp = processExpression(exp, context,
// slot args must be processed as function params
dir.name === 'slot');
}
if (arg && arg.type === 4 /* SIMPLE_EXPRESSION */ && !arg.isStatic) {
dir.arg = processExpression(arg, context);
}
}
}
}
};
// Important: since this function uses Node.js only dependencies, it should
// always be used with a leading !true check so that it can be
// tree-shaken from the browser build.
function processExpression(node, context,
// some expressions like v-slot props & v-for aliases should be parsed as
// function params
asParams = false,
// v-on handler values may contain multiple statements
asRawStatements = false, localVars = Object.create(context.identifiers)) {
{
if ((process.env.NODE_ENV !== 'production')) {
// simple in-browser validation (same logic in 2.x)
validateBrowserExpression(node, context, asParams, asRawStatements);
}
return node;
}
}
const transformIf = createStructuralDirectiveTransform(/^(if|else|else-if)$/, (node, dir, context) => {
return processIf(node, dir, context, (ifNode, branch, isRoot) => {
// #1587: We need to dynamically increment the key based on the current
// node's sibling nodes, since chained v-if/else branches are
// rendered at the same depth
const siblings = context.parent.children;
let i = siblings.indexOf(ifNode);
let key = 0;
while (i-- >= 0) {
const sibling = siblings[i];
if (sibling && sibling.type === 9 /* IF */) {
key += sibling.branches.length;
}
}
// Exit callback. Complete the codegenNode when all children have been
// transformed.
return () => {
if (isRoot) {
ifNode.codegenNode = createCodegenNodeForBranch(branch, key, context);
}
else {
// attach this branch's codegen node to the v-if root.
const parentCondition = getParentCondition(ifNode.codegenNode);
parentCondition.alternate = createCodegenNodeForBranch(branch, key + ifNode.branches.length - 1, context);
}
};
});
});
// target-agnostic transform used for both Client and SSR
function processIf(node, dir, context, processCodegen) {
if (dir.name !== 'else' &&
(!dir.exp || !dir.exp.content.trim())) {
const loc = dir.exp ? dir.exp.loc : node.loc;
context.onError(createCompilerError(28 /* X_V_IF_NO_EXPRESSION */, dir.loc));
dir.exp = createSimpleExpression(`true`, false, loc);
}
if ((process.env.NODE_ENV !== 'production') && true && dir.exp) {
validateBrowserExpression(dir.exp, context);
}
if (dir.name === 'if') {
const branch = createIfBranch(node, dir);
const ifNode = {
type: 9 /* IF */,
loc: node.loc,
branches: [branch]
};
context.replaceNode(ifNode);
if (processCodegen) {
return processCodegen(ifNode, branch, true);
}
}
else {
// locate the adjacent v-if
const siblings = context.parent.children;
const comments = [];
let i = siblings.indexOf(node);
while (i-- >= -1) {
const sibling = siblings[i];
if ((process.env.NODE_ENV !== 'production') && sibling && sibling.type === 3 /* COMMENT */) {
context.removeNode(sibling);
comments.unshift(sibling);
continue;
}
if (sibling &&
sibling.type === 2 /* TEXT */ &&
!sibling.content.trim().length) {
context.removeNode(sibling);
continue;
}
if (sibling && sibling.type === 9 /* IF */) {
// Check if v-else was followed by v-else-if
if (dir.name === 'else-if' &&
sibling.branches[sibling.branches.length - 1].condition === undefined) {
context.onError(createCompilerError(30 /* X_V_ELSE_NO_ADJACENT_IF */, node.loc));
}
// move the node to the if node's branches
context.removeNode();
const branch = createIfBranch(node, dir);
if ((process.env.NODE_ENV !== 'production') &&
comments.length &&
// #3619 ignore comments if the v-if is direct child of <transition>
!(context.parent &&
context.parent.type === 1 /* ELEMENT */ &&
isBuiltInType(context.parent.tag, 'transition'))) {
branch.children = [...comments, ...branch.children];
}
// check if user is forcing same key on different branches
if ((process.env.NODE_ENV !== 'production') || !true) {
const key = branch.userKey;
if (key) {
sibling.branches.forEach(({ userKey }) => {
if (isSameKey(userKey, key)) {
context.onError(createCompilerError(29 /* X_V_IF_SAME_KEY */, branch.userKey.loc));
}
});
}
}
sibling.branches.push(branch);
const onExit = processCodegen && processCodegen(sibling, branch, false);
// since the branch was removed, it will not be traversed.
// make sure to traverse here.
traverseNode(branch, context);
// call on exit
if (onExit)
onExit();
// make sure to reset currentNode after traversal to indicate this
// node has been removed.
context.currentNode = null;
}
else {
context.onError(createCompilerError(30 /* X_V_ELSE_NO_ADJACENT_IF */, node.loc));
}
break;
}
}
}
function createIfBranch(node, dir) {
const isTemplateIf = node.tagType === 3 /* TEMPLATE */;
return {
type: 10 /* IF_BRANCH */,
loc: node.loc,
condition: dir.name === 'else' ? undefined : dir.exp,
children: isTemplateIf && !findDir(node, 'for') ? node.children : [node],
userKey: findProp(node, `key`),
isTemplateIf
};
}
function createCodegenNodeForBranch(branch, keyIndex, context) {
if (branch.condition) {
return createConditionalExpression(branch.condition, createChildrenCodegenNode(branch, keyIndex, context),
// make sure to pass in asBlock: true so that the comment node call
// closes the current block.
createCallExpression(context.helper(CREATE_COMMENT), [
(process.env.NODE_ENV !== 'production') ? '"v-if"' : '""',
'true'
]));
}
else {
return createChildrenCodegenNode(branch, keyIndex, context);
}
}
function createChildrenCodegenNode(branch, keyIndex, context) {
const { helper } = context;
const keyProperty = createObjectProperty(`key`, createSimpleExpression(`${keyIndex}`, false, locStub, 2 /* CAN_HOIST */));
const { children } = branch;
const firstChild = children[0];
const needFragmentWrapper = children.length !== 1 || firstChild.type !== 1 /* ELEMENT */;
if (needFragmentWrapper) {
if (children.length === 1 && firstChild.type === 11 /* FOR */) {
// optimize away nested fragments when child is a ForNode
const vnodeCall = firstChild.codegenNode;
injectProp(vnodeCall, keyProperty, context);
return vnodeCall;
}
else {
let patchFlag = 64 /* STABLE_FRAGMENT */;
let patchFlagText = PatchFlagNames[64 /* STABLE_FRAGMENT */];
// check if the fragment actually contains a single valid child with
// the rest being comments
if ((process.env.NODE_ENV !== 'production') &&
!branch.isTemplateIf &&
children.filter(c => c.type !== 3 /* COMMENT */).length === 1) {
patchFlag |= 2048 /* DEV_ROOT_FRAGMENT */;
patchFlagText += `, ${PatchFlagNames[2048 /* DEV_ROOT_FRAGMENT */]}`;
}
return createVNodeCall(context, helper(FRAGMENT), createObjectExpression([keyProperty]), children, patchFlag + ((process.env.NODE_ENV !== 'production') ? ` /* ${patchFlagText} */` : ``), undefined, undefined, true, false, false /* isComponent */, branch.loc);
}
}
else {
const ret = firstChild.codegenNode;
const vnodeCall = getMemoedVNodeCall(ret);
// Change createVNode to createBlock.
if (vnodeCall.type === 13 /* VNODE_CALL */) {
makeBlock(vnodeCall, context);
}
// inject branch key
injectProp(vnodeCall, keyProperty, context);
return ret;
}
}
function isSameKey(a, b) {
if (!a || a.type !== b.type) {
return false;
}
if (a.type === 6 /* ATTRIBUTE */) {
if (a.value.content !== b.value.content) {
return false;
}
}
else {
// directive
const exp = a.exp;
const branchExp = b.exp;
if (exp.type !== branchExp.type) {
return false;
}
if (exp.type !== 4 /* SIMPLE_EXPRESSION */ ||
exp.isStatic !== branchExp.isStatic ||
exp.content !== branchExp.content) {
return false;
}
}
return true;
}
function getParentCondition(node) {
while (true) {
if (node.type === 19 /* JS_CONDITIONAL_EXPRESSION */) {
if (node.alternate.type === 19 /* JS_CONDITIONAL_EXPRESSION */) {
node = node.alternate;
}
else {
return node;
}
}
else if (node.type === 20 /* JS_CACHE_EXPRESSION */) {
node = node.value;
}
}
}
const transformFor = createStructuralDirectiveTransform('for', (node, dir, context) => {
const { helper, removeHelper } = context;
return processFor(node, dir, context, forNode => {
// create the loop render function expression now, and add the
// iterator on exit after all children have been traversed
const renderExp = createCallExpression(helper(RENDER_LIST), [
forNode.source
]);
const isTemplate = isTemplateNode(node);
const memo = findDir(node, 'memo');
const keyProp = findProp(node, `key`);
const keyExp = keyProp &&
(keyProp.type === 6 /* ATTRIBUTE */
? createSimpleExpression(keyProp.value.content, true)
: keyProp.exp);
const keyProperty = keyProp ? createObjectProperty(`key`, keyExp) : null;
const isStableFragment = forNode.source.type === 4 /* SIMPLE_EXPRESSION */ &&
forNode.source.constType > 0 /* NOT_CONSTANT */;
const fragmentFlag = isStableFragment
? 64 /* STABLE_FRAGMENT */
: keyProp
? 128 /* KEYED_FRAGMENT */
: 256 /* UNKEYED_FRAGMENT */;
forNode.codegenNode = createVNodeCall(context, helper(FRAGMENT), undefined, renderExp, fragmentFlag +
((process.env.NODE_ENV !== 'production') ? ` /* ${PatchFlagNames[fragmentFlag]} */` : ``), undefined, undefined, true /* isBlock */, !isStableFragment /* disableTracking */, false /* isComponent */, node.loc);
return () => {
// finish the codegen now that all children have been traversed
let childBlock;
const { children } = forNode;
// check <template v-for> key placement
if (((process.env.NODE_ENV !== 'production') || !true) && isTemplate) {
node.children.some(c => {
if (c.type === 1 /* ELEMENT */) {
const key = findProp(c, 'key');
if (key) {
context.onError(createCompilerError(33 /* X_V_FOR_TEMPLATE_KEY_PLACEMENT */, key.loc));
return true;
}
}
});
}
const needFragmentWrapper = children.length !== 1 || children[0].type !== 1 /* ELEMENT */;
const slotOutlet = isSlotOutlet(node)
? node
: isTemplate &&
node.children.length === 1 &&
isSlotOutlet(node.children[0])
? node.children[0] // api-extractor somehow fails to infer this
: null;
if (slotOutlet) {
// <slot v-for="..."> or <template v-for="..."><slot/></template>
childBlock = slotOutlet.codegenNode;
if (isTemplate && keyProperty) {
// <template v-for="..." :key="..."><slot/></template>
// we need to inject the key to the renderSlot() call.
// the props for renderSlot is passed as the 3rd argument.
injectProp(childBlock, keyProperty, context);
}
}
else if (needFragmentWrapper) {
// <template v-for="..."> with text or multi-elements
// should generate a fragment block for each loop
childBlock = createVNodeCall(context, helper(FRAGMENT), keyProperty ? createObjectExpression([keyProperty]) : undefined, node.children, 64 /* STABLE_FRAGMENT */ +
((process.env.NODE_ENV !== 'production')
? ` /* ${PatchFlagNames[64 /* STABLE_FRAGMENT */]} */`
: ``), undefined, undefined, true, undefined, false /* isComponent */);
}
else {
// Normal element v-for. Directly use the child's codegenNode
// but mark it as a block.
childBlock = children[0]
.codegenNode;
if (isTemplate && keyProperty) {
injectProp(childBlock, keyProperty, context);
}
if (childBlock.isBlock !== !isStableFragment) {
if (childBlock.isBlock) {
// switch from block to vnode
removeHelper(OPEN_BLOCK);
removeHelper(getVNodeBlockHelper(context.inSSR, childBlock.isComponent));
}
else {
// switch from vnode to block
removeHelper(getVNodeHelper(context.inSSR, childBlock.isComponent));
}
}
childBlock.isBlock = !isStableFragment;
if (childBlock.isBlock) {
helper(OPEN_BLOCK);
helper(getVNodeBlockHelper(context.inSSR, childBlock.isComponent));
}
else {
helper(getVNodeHelper(context.inSSR, childBlock.isComponent));
}
}
if (memo) {
const loop = createFunctionExpression(createForLoopParams(forNode.parseResult, [
createSimpleExpression(`_cached`)
]));
loop.body = createBlockStatement([
createCompoundExpression([`const _memo = (`, memo.exp, `)`]),
createCompoundExpression([
`if (_cached`,
...(keyExp ? [` && _cached.key === `, keyExp] : []),
` && ${context.helperString(IS_MEMO_SAME)}(_cached, _memo)) return _cached`
]),
createCompoundExpression([`const _item = `, childBlock]),
createSimpleExpression(`_item.memo = _memo`),
createSimpleExpression(`return _item`)
]);
renderExp.arguments.push(loop, createSimpleExpression(`_cache`), createSimpleExpression(String(context.cached++)));
}
else {
renderExp.arguments.push(createFunctionExpression(createForLoopParams(forNode.parseResult), childBlock, true /* force newline */));
}
};
});
});
// target-agnostic transform used for both Client and SSR
function processFor(node, dir, context, processCodegen) {
if (!dir.exp) {
context.onError(createCompilerError(31 /* X_V_FOR_NO_EXPRESSION */, dir.loc));
return;
}
const parseResult = parseForExpression(
// can only be simple expression because vFor transform is applied
// before expression transform.
dir.exp, context);
if (!parseResult) {
context.onError(createCompilerError(32 /* X_V_FOR_MALFORMED_EXPRESSION */, dir.loc));
return;
}
const { addIdentifiers, removeIdentifiers, scopes } = context;
const { source, value, key, index } = parseResult;
const forNode = {
type: 11 /* FOR */,
loc: dir.loc,
source,
valueAlias: value,
keyAlias: key,
objectIndexAlias: index,
parseResult,
children: isTemplateNode(node) ? node.children : [node]
};
context.replaceNode(forNode);
// bookkeeping
scopes.vFor++;
const onExit = processCodegen && processCodegen(forNode);
return () => {
scopes.vFor--;
if (onExit)
onExit();
};
}
const forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
// This regex doesn't cover the case if key or index aliases have destructuring,
// but those do not make sense in the first place, so this works in practice.
const forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
const stripParensRE = /^\(|\)$/g;
function parseForExpression(input, context) {
const loc = input.loc;
const exp = input.content;
const inMatch = exp.match(forAliasRE);
if (!inMatch)
return;
const [, LHS, RHS] = inMatch;
const result = {
source: createAliasExpression(loc, RHS.trim(), exp.indexOf(RHS, LHS.length)),
value: undefined,
key: undefined,
index: undefined
};
if ((process.env.NODE_ENV !== 'production') && true) {
validateBrowserExpression(result.source, context);
}
let valueContent = LHS.trim().replace(stripParensRE, '').trim();
const trimmedOffset = LHS.indexOf(valueContent);
const iteratorMatch = valueContent.match(forIteratorRE);
if (iteratorMatch) {
valueContent = valueContent.replace(forIteratorRE, '').trim();
const keyContent = iteratorMatch[1].trim();
let keyOffset;
if (keyContent) {
keyOffset = exp.indexOf(keyContent, trimmedOffset + valueContent.length);
result.key = createAliasExpression(loc, keyContent, keyOffset);
if ((process.env.NODE_ENV !== 'production') && true) {
validateBrowserExpression(result.key, context, true);
}
}
if (iteratorMatch[2]) {
const indexContent = iteratorMatch[2].trim();
if (indexContent) {
result.index = createAliasExpression(loc, indexContent, exp.indexOf(indexContent, result.key
? keyOffset + keyContent.length
: trimmedOffset + valueContent.length));
if ((process.env.NODE_ENV !== 'production') && true) {
validateBrowserExpression(result.index, context, true);
}
}
}
}
if (valueContent) {
result.value = createAliasExpression(loc, valueContent, trimmedOffset);
if ((process.env.NODE_ENV !== 'production') && true) {
validateBrowserExpression(result.value, context, true);
}
}
return result;
}
function createAliasExpression(range, content, offset) {
return createSimpleExpression(content, false, getInnerRange(range, offset, content.length));
}
function createForLoopParams({ value, key, index }, memoArgs = []) {
return createParamsList([value, key, index, ...memoArgs]);
}
function createParamsList(args) {
let i = args.length;
while (i--) {
if (args[i])
break;
}
return args
.slice(0, i + 1)
.map((arg, i) => arg || createSimpleExpression(`_`.repeat(i + 1), false));
}
const defaultFallback = createSimpleExpression(`undefined`, false);
// A NodeTransform that:
// 1. Tracks scope identifiers for scoped slots so that they don't get prefixed
// by transformExpression. This is only applied in non-browser builds with
// { prefixIdentifiers: true }.
// 2. Track v-slot depths so that we know a slot is inside another slot.
// Note the exit callback is executed before buildSlots() on the same node,
// so only nested slots see positive numbers.
const trackSlotScopes = (node, context) => {
if (node.type === 1 /* ELEMENT */ &&
(node.tagType === 1 /* COMPONENT */ ||
node.tagType === 3 /* TEMPLATE */)) {
// We are only checking non-empty v-slot here
// since we only care about slots that introduce scope variables.
const vSlot = findDir(node, 'slot');
if (vSlot) {
context.scopes.vSlot++;
return () => {
context.scopes.vSlot--;
};
}
}
};
// A NodeTransform that tracks scope identifiers for scoped slots with v-for.
// This transform is only applied in non-browser builds with { prefixIdentifiers: true }
const trackVForSlotScopes = (node, context) => {
let vFor;
if (isTemplateNode(node) &&
node.props.some(isVSlot) &&
(vFor = findDir(node, 'for'))) {
const result = (vFor.parseResult = parseForExpression(vFor.exp, context));
if (result) {
const { value, key, index } = result;
const { addIdentifiers, removeIdentifiers } = context;
value && addIdentifiers(value);
key && addIdentifiers(key);
index && addIdentifiers(index);
return () => {
value && removeIdentifiers(value);
key && removeIdentifiers(key);
index && removeIdentifiers(index);
};
}
}
};
const buildClientSlotFn = (props, children, loc) => createFunctionExpression(props, children, false /* newline */, true /* isSlot */, children.length ? children[0].loc : loc);
// Instead of being a DirectiveTransform, v-slot processing is called during
// transformElement to build the slots object for a component.
function buildSlots(node, context, buildSlotFn = buildClientSlotFn) {
context.helper(WITH_CTX);
const { children, loc } = node;
const slotsProperties = [];
const dynamicSlots = [];
// If the slot is inside a v-for or another v-slot, force it to be dynamic
// since it likely uses a scope variable.
let hasDynamicSlots = context.scopes.vSlot > 0 || context.scopes.vFor > 0;
// 1. Check for slot with slotProps on component itself.
// <Comp v-slot="{ prop }"/>
const onComponentSlot = findDir(node, 'slot', true);
if (onComponentSlot) {
const { arg, exp } = onComponentSlot;
if (arg && !isStaticExp(arg)) {
hasDynamicSlots = true;
}
slotsProperties.push(createObjectProperty(arg || createSimpleExpression('default', true), buildSlotFn(exp, children, loc)));
}
// 2. Iterate through children and check for template slots
// <template v-slot:foo="{ prop }">
let hasTemplateSlots = false;
let hasNamedDefaultSlot = false;
const implicitDefaultChildren = [];
const seenSlotNames = new Set();
for (let i = 0; i < children.length; i++) {
const slotElement = children[i];
let slotDir;
if (!isTemplateNode(slotElement) ||
!(slotDir = findDir(slotElement, 'slot', true))) {
// not a <template v-slot>, skip.
if (slotElement.type !== 3 /* COMMENT */) {
implicitDefaultChildren.push(slotElement);
}
continue;
}
if (onComponentSlot) {
// already has on-component slot - this is incorrect usage.
context.onError(createCompilerError(37 /* X_V_SLOT_MIXED_SLOT_USAGE */, slotDir.loc));
break;
}
hasTemplateSlots = true;
const { children: slotChildren, loc: slotLoc } = slotElement;
const { arg: slotName = createSimpleExpression(`default`, true), exp: slotProps, loc: dirLoc } = slotDir;
// check if name is dynamic.
let staticSlotName;
if (isStaticExp(slotName)) {
staticSlotName = slotName ? slotName.content : `default`;
}
else {
hasDynamicSlots = true;
}
const slotFunction = buildSlotFn(slotProps, slotChildren, slotLoc);
// check if this slot is conditional (v-if/v-for)
let vIf;
let vElse;
let vFor;
if ((vIf = findDir(slotElement, 'if'))) {
hasDynamicSlots = true;
dynamicSlots.push(createConditionalExpression(vIf.exp, buildDynamicSlot(slotName, slotFunction), defaultFallback));
}
else if ((vElse = findDir(slotElement, /^else(-if)?$/, true /* allowEmpty */))) {
// find adjacent v-if
let j = i;
let prev;
while (j--) {
prev = children[j];
if (prev.type !== 3 /* COMMENT */) {
break;
}
}
if (prev && isTemplateNode(prev) && findDir(prev, 'if')) {
// remove node
children.splice(i, 1);
i--;
// attach this slot to previous conditional
let conditional = dynamicSlots[dynamicSlots.length - 1];
while (conditional.alternate.type === 19 /* JS_CONDITIONAL_EXPRESSION */) {
conditional = conditional.alternate;
}
conditional.alternate = vElse.exp
? createConditionalExpression(vElse.exp, buildDynamicSlot(slotName, slotFunction), defaultFallback)
: buildDynamicSlot(slotName, slotFunction);
}
else {
context.onError(createCompilerError(30 /* X_V_ELSE_NO_ADJACENT_IF */, vElse.loc));
}
}
else if ((vFor = findDir(slotElement, 'for'))) {
hasDynamicSlots = true;
const parseResult = vFor.parseResult ||
parseForExpression(vFor.exp, context);
if (parseResult) {
// Render the dynamic slots as an array and add it to the createSlot()
// args. The runtime knows how to handle it appropriately.
dynamicSlots.push(createCallExpression(context.helper(RENDER_LIST), [
parseResult.source,
createFunctionExpression(createForLoopParams(parseResult), buildDynamicSlot(slotName, slotFunction), true /* force newline */)
]));
}
else {
context.onError(createCompilerError(32 /* X_V_FOR_MALFORMED_EXPRESSION */, vFor.loc));
}
}
else {
// check duplicate static names
if (staticSlotName) {
if (seenSlotNames.has(staticSlotName)) {
context.onError(createCompilerError(38 /* X_V_SLOT_DUPLICATE_SLOT_NAMES */, dirLoc));
continue;
}
seenSlotNames.add(staticSlotName);
if (staticSlotName === 'default') {
hasNamedDefaultSlot = true;
}
}
slotsProperties.push(createObjectProperty(slotName, slotFunction));
}
}
if (!onComponentSlot) {
const buildDefaultSlotProperty = (props, children) => {
const fn = buildSlotFn(props, children, loc);
if (context.compatConfig) {
fn.isNonScopedSlot = true;
}
return createObjectProperty(`default`, fn);
};
if (!hasTemplateSlots) {
// implicit default slot (on component)
slotsProperties.push(buildDefaultSlotProperty(undefined, children));
}
else if (implicitDefaultChildren.length &&
// #3766
// with whitespace: 'preserve', whitespaces between slots will end up in
// implicitDefaultChildren. Ignore if all implicit children are whitespaces.
implicitDefaultChildren.some(node => isNonWhitespaceContent(node))) {
// implicit default slot (mixed with named slots)
if (hasNamedDefaultSlot) {
context.onError(createCompilerError(39 /* X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN */, implicitDefaultChildren[0].loc));
}
else {
slotsProperties.push(buildDefaultSlotProperty(undefined, implicitDefaultChildren));
}
}
}
const slotFlag = hasDynamicSlots
? 2 /* DYNAMIC */
: hasForwardedSlots(node.children)
? 3 /* FORWARDED */
: 1 /* STABLE */;
let slots = createObjectExpression(slotsProperties.concat(createObjectProperty(`_`,
// 2 = compiled but dynamic = can skip normalization, but must run diff
// 1 = compiled and static = can skip normalization AND diff as optimized
createSimpleExpression(slotFlag + ((process.env.NODE_ENV !== 'production') ? ` /* ${slotFlagsText[slotFlag]} */` : ``), false))), loc);
if (dynamicSlots.length) {
slots = createCallExpression(context.helper(CREATE_SLOTS), [
slots,
createArrayExpression(dynamicSlots)
]);
}
return {
slots,
hasDynamicSlots
};
}
function buildDynamicSlot(name, fn) {
return createObjectExpression([
createObjectProperty(`name`, name),
createObjectProperty(`fn`, fn)
]);
}
function hasForwardedSlots(children) {
for (let i = 0; i < children.length; i++) {
const child = children[i];
switch (child.type) {
case 1 /* ELEMENT */:
if (child.tagType === 2 /* SLOT */ ||
hasForwardedSlots(child.children)) {
return true;
}
break;
case 9 /* IF */:
if (hasForwardedSlots(child.branches))
return true;
break;
case 10 /* IF_BRANCH */:
case 11 /* FOR */:
if (hasForwardedSlots(child.children))
return true;
break;
}
}
return false;
}
function isNonWhitespaceContent(node) {
if (node.type !== 2 /* TEXT */ && node.type !== 12 /* TEXT_CALL */)
return true;
return node.type === 2 /* TEXT */
? !!node.content.trim()
: isNonWhitespaceContent(node.content);
}
// some directive transforms (e.g. v-model) may return a symbol for runtime
// import, which should be used instead of a resolveDirective call.
const directiveImportMap = new WeakMap();
// generate a JavaScript AST for this element's codegen
const transformElement = (node, context) => {
// perform the work on exit, after all child expressions have been
// processed and merged.
return function postTransformElement() {
node = context.currentNode;
if (!(node.type === 1 /* ELEMENT */ &&
(node.tagType === 0 /* ELEMENT */ ||
node.tagType === 1 /* COMPONENT */))) {
return;
}
const { tag, props } = node;
const isComponent = node.tagType === 1 /* COMPONENT */;
// The goal of the transform is to create a codegenNode implementing the
// VNodeCall interface.
let vnodeTag = isComponent
? resolveComponentType(node, context)
: `"${tag}"`;
const isDynamicComponent = isObject(vnodeTag) && vnodeTag.callee === RESOLVE_DYNAMIC_COMPONENT;
let vnodeProps;
let vnodeChildren;
let vnodePatchFlag;
let patchFlag = 0;
let vnodeDynamicProps;
let dynamicPropNames;
let vnodeDirectives;
let shouldUseBlock =
// dynamic component may resolve to plain elements
isDynamicComponent ||
vnodeTag === TELEPORT ||
vnodeTag === SUSPENSE ||
(!isComponent &&
// <svg> and <foreignObject> must be forced into blocks so that block
// updates inside get proper isSVG flag at runtime. (#639, #643)
// This is technically web-specific, but splitting the logic out of core
// leads to too much unnecessary complexity.
(tag === 'svg' || tag === 'foreignObject'));
// props
if (props.length > 0) {
const propsBuildResult = buildProps(node, context, undefined, isComponent, isDynamicComponent);
vnodeProps = propsBuildResult.props;
patchFlag = propsBuildResult.patchFlag;
dynamicPropNames = propsBuildResult.dynamicPropNames;
const directives = propsBuildResult.directives;
vnodeDirectives =
directives && directives.length
? createArrayExpression(directives.map(dir => buildDirectiveArgs(dir, context)))
: undefined;
if (propsBuildResult.shouldUseBlock) {
shouldUseBlock = true;
}
}
// children
if (node.children.length > 0) {
if (vnodeTag === KEEP_ALIVE) {
// Although a built-in component, we compile KeepAlive with raw children
// instead of slot functions so that it can be used inside Transition
// or other Transition-wrapping HOCs.
// To ensure correct updates with block optimizations, we need to:
// 1. Force keep-alive into a block. This avoids its children being
// collected by a parent block.
shouldUseBlock = true;
// 2. Force keep-alive to always be updated, since it uses raw children.
patchFlag |= 1024 /* DYNAMIC_SLOTS */;
if ((process.env.NODE_ENV !== 'production') && node.children.length > 1) {
context.onError(createCompilerError(45 /* X_KEEP_ALIVE_INVALID_CHILDREN */, {
start: node.children[0].loc.start,
end: node.children[node.children.length - 1].loc.end,
source: ''
}));
}
}
const shouldBuildAsSlots = isComponent &&
// Teleport is not a real component and has dedicated runtime handling
vnodeTag !== TELEPORT &&
// explained above.
vnodeTag !== KEEP_ALIVE;
if (shouldBuildAsSlots) {
const { slots, hasDynamicSlots } = buildSlots(node, context);
vnodeChildren = slots;
if (hasDynamicSlots) {
patchFlag |= 1024 /* DYNAMIC_SLOTS */;
}
}
else if (node.children.length === 1 && vnodeTag !== TELEPORT) {
const child = node.children[0];
const type = child.type;
// check for dynamic text children
const hasDynamicTextChild = type === 5 /* INTERPOLATION */ ||
type === 8 /* COMPOUND_EXPRESSION */;
if (hasDynamicTextChild &&
getConstantType(child, context) === 0 /* NOT_CONSTANT */) {
patchFlag |= 1 /* TEXT */;
}
// pass directly if the only child is a text node
// (plain / interpolation / expression)
if (hasDynamicTextChild || type === 2 /* TEXT */) {
vnodeChildren = child;
}
else {
vnodeChildren = node.children;
}
}
else {
vnodeChildren = node.children;
}
}
// patchFlag & dynamicPropNames
if (patchFlag !== 0) {
if ((process.env.NODE_ENV !== 'production')) {
if (patchFlag < 0) {
// special flags (negative and mutually exclusive)
vnodePatchFlag = patchFlag + ` /* ${PatchFlagNames[patchFlag]} */`;
}
else {
// bitwise flags
const flagNames = Object.keys(PatchFlagNames)
.map(Number)
.filter(n => n > 0 && patchFlag & n)
.map(n => PatchFlagNames[n])
.join(`, `);
vnodePatchFlag = patchFlag + ` /* ${flagNames} */`;
}
}
else {
vnodePatchFlag = String(patchFlag);
}
if (dynamicPropNames && dynamicPropNames.length) {
vnodeDynamicProps = stringifyDynamicPropNames(dynamicPropNames);
}
}
node.codegenNode = createVNodeCall(context, vnodeTag, vnodeProps, vnodeChildren, vnodePatchFlag, vnodeDynamicProps, vnodeDirectives, !!shouldUseBlock, false /* disableTracking */, isComponent, node.loc);
};
};
function resolveComponentType(node, context, ssr = false) {
let { tag } = node;
// 1. dynamic component
const isExplicitDynamic = isComponentTag(tag);
const isProp = findProp(node, 'is');
if (isProp) {
if (isExplicitDynamic ||
(isCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context))) {
const exp = isProp.type === 6 /* ATTRIBUTE */
? isProp.value && createSimpleExpression(isProp.value.content, true)
: isProp.exp;
if (exp) {
return createCallExpression(context.helper(RESOLVE_DYNAMIC_COMPONENT), [
exp
]);
}
}
else if (isProp.type === 6 /* ATTRIBUTE */ &&
isProp.value.content.startsWith('vue:')) {
// <button is="vue:xxx">
// if not <component>, only is value that starts with "vue:" will be
// treated as component by the parse phase and reach here, unless it's
// compat mode where all is values are considered components
tag = isProp.value.content.slice(4);
}
}
// 1.5 v-is (TODO: Deprecate)
const isDir = !isExplicitDynamic && findDir(node, 'is');
if (isDir && isDir.exp) {
return createCallExpression(context.helper(RESOLVE_DYNAMIC_COMPONENT), [
isDir.exp
]);
}
// 2. built-in components (Teleport, Transition, KeepAlive, Suspense...)
const builtIn = isCoreComponent(tag) || context.isBuiltInComponent(tag);
if (builtIn) {
// built-ins are simply fallthroughs / have special handling during ssr
// so we don't need to import their runtime equivalents
if (!ssr)
context.helper(builtIn);
return builtIn;
}
// 5. user component (resolve)
context.helper(RESOLVE_COMPONENT);
context.components.add(tag);
return toValidAssetId(tag, `component`);
}
function buildProps(node, context, props = node.props, isComponent, isDynamicComponent, ssr = false) {
const { tag, loc: elementLoc, children } = node;
let properties = [];
const mergeArgs = [];
const runtimeDirectives = [];
const hasChildren = children.length > 0;
let shouldUseBlock = false;
// patchFlag analysis
let patchFlag = 0;
let hasRef = false;
let hasClassBinding = false;
let hasStyleBinding = false;
let hasHydrationEventBinding = false;
let hasDynamicKeys = false;
let hasVnodeHook = false;
const dynamicPropNames = [];
const analyzePatchFlag = ({ key, value }) => {
if (isStaticExp(key)) {
const name = key.content;
const isEventHandler = isOn(name);
if (isEventHandler &&
(!isComponent || isDynamicComponent) &&
// omit the flag for click handlers because hydration gives click
// dedicated fast path.
name.toLowerCase() !== 'onclick' &&
// omit v-model handlers
name !== 'onUpdate:modelValue' &&
// omit onVnodeXXX hooks
!isReservedProp(name)) {
hasHydrationEventBinding = true;
}
if (isEventHandler && isReservedProp(name)) {
hasVnodeHook = true;
}
if (value.type === 20 /* JS_CACHE_EXPRESSION */ ||
((value.type === 4 /* SIMPLE_EXPRESSION */ ||
value.type === 8 /* COMPOUND_EXPRESSION */) &&
getConstantType(value, context) > 0)) {
// skip if the prop is a cached handler or has constant value
return;
}
if (name === 'ref') {
hasRef = true;
}
else if (name === 'class') {
hasClassBinding = true;
}
else if (name === 'style') {
hasStyleBinding = true;
}
else if (name !== 'key' && !dynamicPropNames.includes(name)) {
dynamicPropNames.push(name);
}
// treat the dynamic class and style binding of the component as dynamic props
if (isComponent &&
(name === 'class' || name === 'style') &&
!dynamicPropNames.includes(name)) {
dynamicPropNames.push(name);
}
}
else {
hasDynamicKeys = true;
}
};
for (let i = 0; i < props.length; i++) {
// static attribute
const prop = props[i];
if (prop.type === 6 /* ATTRIBUTE */) {
const { loc, name, value } = prop;
let isStatic = true;
if (name === 'ref') {
hasRef = true;
if (context.scopes.vFor > 0) {
properties.push(createObjectProperty(createSimpleExpression('ref_for', true), createSimpleExpression('true')));
}
}
// skip is on <component>, or is="vue:xxx"
if (name === 'is' &&
(isComponentTag(tag) ||
(value && value.content.startsWith('vue:')) ||
(isCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context)))) {
continue;
}
properties.push(createObjectProperty(createSimpleExpression(name, true, getInnerRange(loc, 0, name.length)), createSimpleExpression(value ? value.content : '', isStatic, value ? value.loc : loc)));
}
else {
// directives
const { name, arg, exp, loc } = prop;
const isVBind = name === 'bind';
const isVOn = name === 'on';
// skip v-slot - it is handled by its dedicated transform.
if (name === 'slot') {
if (!isComponent) {
context.onError(createCompilerError(40 /* X_V_SLOT_MISPLACED */, loc));
}
continue;
}
// skip v-once/v-memo - they are handled by dedicated transforms.
if (name === 'once' || name === 'memo') {
continue;
}
// skip v-is and :is on <component>
if (name === 'is' ||
(isVBind &&
isStaticArgOf(arg, 'is') &&
(isComponentTag(tag) ||
(isCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context))))) {
continue;
}
// skip v-on in SSR compilation
if (isVOn && ssr) {
continue;
}
if (
// #938: elements with dynamic keys should be forced into blocks
(isVBind && isStaticArgOf(arg, 'key')) ||
// inline before-update hooks need to force block so that it is invoked
// before children
(isVOn && hasChildren && isStaticArgOf(arg, 'vue:before-update'))) {
shouldUseBlock = true;
}
if (isVBind && isStaticArgOf(arg, 'ref') && context.scopes.vFor > 0) {
properties.push(createObjectProperty(createSimpleExpression('ref_for', true), createSimpleExpression('true')));
}
// special case for v-bind and v-on with no argument
if (!arg && (isVBind || isVOn)) {
hasDynamicKeys = true;
if (exp) {
if (properties.length) {
mergeArgs.push(createObjectExpression(dedupeProperties(properties), elementLoc));
properties = [];
}
if (isVBind) {
{
// 2.x v-bind object order compat
if ((process.env.NODE_ENV !== 'production')) {
const hasOverridableKeys = mergeArgs.some(arg => {
if (arg.type === 15 /* JS_OBJECT_EXPRESSION */) {
return arg.properties.some(({ key }) => {
if (key.type !== 4 /* SIMPLE_EXPRESSION */ ||
!key.isStatic) {
return true;
}
return (key.content !== 'class' &&
key.content !== 'style' &&
!isOn(key.content));
});
}
else {
// dynamic expression
return true;
}
});
if (hasOverridableKeys) {
checkCompatEnabled("COMPILER_V_BIND_OBJECT_ORDER" /* COMPILER_V_BIND_OBJECT_ORDER */, context, loc);
}
}
if (isCompatEnabled("COMPILER_V_BIND_OBJECT_ORDER" /* COMPILER_V_BIND_OBJECT_ORDER */, context)) {
mergeArgs.unshift(exp);
continue;
}
}
mergeArgs.push(exp);
}
else {
// v-on="obj" -> toHandlers(obj)
mergeArgs.push({
type: 14 /* JS_CALL_EXPRESSION */,
loc,
callee: context.helper(TO_HANDLERS),
arguments: [exp]
});
}
}
else {
context.onError(createCompilerError(isVBind
? 34 /* X_V_BIND_NO_EXPRESSION */
: 35 /* X_V_ON_NO_EXPRESSION */, loc));
}
continue;
}
const directiveTransform = context.directiveTransforms[name];
if (directiveTransform) {
// has built-in directive transform.
const { props, needRuntime } = directiveTransform(prop, node, context);
!ssr && props.forEach(analyzePatchFlag);
properties.push(...props);
if (needRuntime) {
runtimeDirectives.push(prop);
if (isSymbol(needRuntime)) {
directiveImportMap.set(prop, needRuntime);
}
}
}
else if (!isBuiltInDirective(name)) {
// no built-in transform, this is a user custom directive.
runtimeDirectives.push(prop);
// custom dirs may use beforeUpdate so they need to force blocks
// to ensure before-update gets called before children update
if (hasChildren) {
shouldUseBlock = true;
}
}
}
}
let propsExpression = undefined;
// has v-bind="object" or v-on="object", wrap with mergeProps
if (mergeArgs.length) {
if (properties.length) {
mergeArgs.push(createObjectExpression(dedupeProperties(properties), elementLoc));
}
if (mergeArgs.length > 1) {
propsExpression = createCallExpression(context.helper(MERGE_PROPS), mergeArgs, elementLoc);
}
else {
// single v-bind with nothing else - no need for a mergeProps call
propsExpression = mergeArgs[0];
}
}
else if (properties.length) {
propsExpression = createObjectExpression(dedupeProperties(properties), elementLoc);
}
// patchFlag analysis
if (hasDynamicKeys) {
patchFlag |= 16 /* FULL_PROPS */;
}
else {
if (hasClassBinding && !isComponent) {
patchFlag |= 2 /* CLASS */;
}
if (hasStyleBinding && !isComponent) {
patchFlag |= 4 /* STYLE */;
}
if (dynamicPropNames.length) {
patchFlag |= 8 /* PROPS */;
}
if (hasHydrationEventBinding) {
patchFlag |= 32 /* HYDRATE_EVENTS */;
}
}
if (!shouldUseBlock &&
(patchFlag === 0 || patchFlag === 32 /* HYDRATE_EVENTS */) &&
(hasRef || hasVnodeHook || runtimeDirectives.length > 0)) {
patchFlag |= 512 /* NEED_PATCH */;
}
// pre-normalize props, SSR is skipped for now
if (!context.inSSR && propsExpression) {
switch (propsExpression.type) {
case 15 /* JS_OBJECT_EXPRESSION */:
// means that there is no v-bind,
// but still need to deal with dynamic key binding
let classKeyIndex = -1;
let styleKeyIndex = -1;
let hasDynamicKey = false;
for (let i = 0; i < propsExpression.properties.length; i++) {
const key = propsExpression.properties[i].key;
if (isStaticExp(key)) {
if (key.content === 'class') {
classKeyIndex = i;
}
else if (key.content === 'style') {
styleKeyIndex = i;
}
}
else if (!key.isHandlerKey) {
hasDynamicKey = true;
}
}
const classProp = propsExpression.properties[classKeyIndex];
const styleProp = propsExpression.properties[styleKeyIndex];
// no dynamic key
if (!hasDynamicKey) {
if (classProp && !isStaticExp(classProp.value)) {
classProp.value = createCallExpression(context.helper(NORMALIZE_CLASS), [classProp.value]);
}
if (styleProp &&
// the static style is compiled into an object,
// so use `hasStyleBinding` to ensure that it is a dynamic style binding
(hasStyleBinding ||
(styleProp.value.type === 4 /* SIMPLE_EXPRESSION */ &&
styleProp.value.content.trim()[0] === `[`) ||
// v-bind:style and style both exist,
// v-bind:style with static literal object
styleProp.value.type === 17 /* JS_ARRAY_EXPRESSION */)) {
styleProp.value = createCallExpression(context.helper(NORMALIZE_STYLE), [styleProp.value]);
}
}
else {
// dynamic key binding, wrap with `normalizeProps`
propsExpression = createCallExpression(context.helper(NORMALIZE_PROPS), [propsExpression]);
}
break;
case 14 /* JS_CALL_EXPRESSION */:
// mergeProps call, do nothing
break;
default:
// single v-bind
propsExpression = createCallExpression(context.helper(NORMALIZE_PROPS), [
createCallExpression(context.helper(GUARD_REACTIVE_PROPS), [
propsExpression
])
]);
break;
}
}
return {
props: propsExpression,
directives: runtimeDirectives,
patchFlag,
dynamicPropNames,
shouldUseBlock
};
}
// Dedupe props in an object literal.
// Literal duplicated attributes would have been warned during the parse phase,
// however, it's possible to encounter duplicated `onXXX` handlers with different
// modifiers. We also need to merge static and dynamic class / style attributes.
// - onXXX handlers / style: merge into array
// - class: merge into single expression with concatenation
function dedupeProperties(properties) {
const knownProps = new Map();
const deduped = [];
for (let i = 0; i < properties.length; i++) {
const prop = properties[i];
// dynamic keys are always allowed
if (prop.key.type === 8 /* COMPOUND_EXPRESSION */ || !prop.key.isStatic) {
deduped.push(prop);
continue;
}
const name = prop.key.content;
const existing = knownProps.get(name);
if (existing) {
if (name === 'style' || name === 'class' || isOn(name)) {
mergeAsArray(existing, prop);
}
// unexpected duplicate, should have emitted error during parse
}
else {
knownProps.set(name, prop);
deduped.push(prop);
}
}
return deduped;
}
function mergeAsArray(existing, incoming) {
if (existing.value.type === 17 /* JS_ARRAY_EXPRESSION */) {
existing.value.elements.push(incoming.value);
}
else {
existing.value = createArrayExpression([existing.value, incoming.value], existing.loc);
}
}
function buildDirectiveArgs(dir, context) {
const dirArgs = [];
const runtime = directiveImportMap.get(dir);
if (runtime) {
// built-in directive with runtime
dirArgs.push(context.helperString(runtime));
}
else {
{
// inject statement for resolving directive
context.helper(RESOLVE_DIRECTIVE);
context.directives.add(dir.name);
dirArgs.push(toValidAssetId(dir.name, `directive`));
}
}
const { loc } = dir;
if (dir.exp)
dirArgs.push(dir.exp);
if (dir.arg) {
if (!dir.exp) {
dirArgs.push(`void 0`);
}
dirArgs.push(dir.arg);
}
if (Object.keys(dir.modifiers).length) {
if (!dir.arg) {
if (!dir.exp) {
dirArgs.push(`void 0`);
}
dirArgs.push(`void 0`);
}
const trueExpression = createSimpleExpression(`true`, false, loc);
dirArgs.push(createObjectExpression(dir.modifiers.map(modifier => createObjectProperty(modifier, trueExpression)), loc));
}
return createArrayExpression(dirArgs, dir.loc);
}
function stringifyDynamicPropNames(props) {
let propsNamesString = `[`;
for (let i = 0, l = props.length; i < l; i++) {
propsNamesString += JSON.stringify(props[i]);
if (i < l - 1)
propsNamesString += ', ';
}
return propsNamesString + `]`;
}
function isComponentTag(tag) {
return tag === 'component' || tag === 'Component';
}
(process.env.NODE_ENV !== 'production')
? Object.freeze({})
: {};
(process.env.NODE_ENV !== 'production') ? Object.freeze([]) : [];
const cacheStringFunction = (fn) => {
const cache = Object.create(null);
return ((str) => {
const hit = cache[str];
return hit || (cache[str] = fn(str));
});
};
const camelizeRE = /-(\w)/g;
/**
* @private
*/
const camelize = cacheStringFunction((str) => {
return str.replace(camelizeRE, (_, c) => (c ? c.toUpperCase() : ''));
});
const transformSlotOutlet = (node, context) => {
if (isSlotOutlet(node)) {
const { children, loc } = node;
const { slotName, slotProps } = processSlotOutlet(node, context);
const slotArgs = [
context.prefixIdentifiers ? `_ctx.$slots` : `$slots`,
slotName,
'{}',
'undefined',
'true'
];
let expectedLen = 2;
if (slotProps) {
slotArgs[2] = slotProps;
expectedLen = 3;
}
if (children.length) {
slotArgs[3] = createFunctionExpression([], children, false, false, loc);
expectedLen = 4;
}
if (context.scopeId && !context.slotted) {
expectedLen = 5;
}
slotArgs.splice(expectedLen); // remove unused arguments
node.codegenNode = createCallExpression(context.helper(RENDER_SLOT), slotArgs, loc);
}
};
function processSlotOutlet(node, context) {
let slotName = `"default"`;
let slotProps = undefined;
const nonNameProps = [];
for (let i = 0; i < node.props.length; i++) {
const p = node.props[i];
if (p.type === 6 /* ATTRIBUTE */) {
if (p.value) {
if (p.name === 'name') {
slotName = JSON.stringify(p.value.content);
}
else {
p.name = camelize(p.name);
nonNameProps.push(p);
}
}
}
else {
if (p.name === 'bind' && isStaticArgOf(p.arg, 'name')) {
if (p.exp)
slotName = p.exp;
}
else {
if (p.name === 'bind' && p.arg && isStaticExp(p.arg)) {
p.arg.content = camelize(p.arg.content);
}
nonNameProps.push(p);
}
}
}
if (nonNameProps.length > 0) {
const { props, directives } = buildProps(node, context, nonNameProps, false, false);
slotProps = props;
if (directives.length) {
context.onError(createCompilerError(36 /* X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET */, directives[0].loc));
}
}
return {
slotName,
slotProps
};
}
const fnExpRE = /^\s*([\w$_]+|(async\s*)?\([^)]*?\))\s*=>|^\s*(async\s+)?function(?:\s+[\w$]+)?\s*\(/;
const transformOn = (dir, node, context, augmentor) => {
const { loc, modifiers, arg } = dir;
if (!dir.exp && !modifiers.length) {
context.onError(createCompilerError(35 /* X_V_ON_NO_EXPRESSION */, loc));
}
let eventName;
if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
if (arg.isStatic) {
let rawName = arg.content;
// TODO deprecate @vnodeXXX usage
if (rawName.startsWith('vue:')) {
rawName = `vnode-${rawName.slice(4)}`;
}
// for all event listeners, auto convert it to camelCase. See issue #2249
eventName = createSimpleExpression(toHandlerKey(camelize$1(rawName)), true, arg.loc);
}
else {
// #2388
eventName = createCompoundExpression([
`${context.helperString(TO_HANDLER_KEY)}(`,
arg,
`)`
]);
}
}
else {
// already a compound expression.
eventName = arg;
eventName.children.unshift(`${context.helperString(TO_HANDLER_KEY)}(`);
eventName.children.push(`)`);
}
// handler processing
let exp = dir.exp;
if (exp && !exp.content.trim()) {
exp = undefined;
}
let shouldCache = context.cacheHandlers && !exp && !context.inVOnce;
if (exp) {
const isMemberExp = isMemberExpression(exp.content);
const isInlineStatement = !(isMemberExp || fnExpRE.test(exp.content));
const hasMultipleStatements = exp.content.includes(`;`);
if ((process.env.NODE_ENV !== 'production') && true) {
validateBrowserExpression(exp, context, false, hasMultipleStatements);
}
if (isInlineStatement || (shouldCache && isMemberExp)) {
// wrap inline statement in a function expression
exp = createCompoundExpression([
`${isInlineStatement
? `$event`
: `${``}(...args)`} => ${hasMultipleStatements ? `{` : `(`}`,
exp,
hasMultipleStatements ? `}` : `)`
]);
}
}
let ret = {
props: [
createObjectProperty(eventName, exp || createSimpleExpression(`() => {}`, false, loc))
]
};
// apply extended compiler augmentor
if (augmentor) {
ret = augmentor(ret);
}
if (shouldCache) {
// cache handlers so that it's always the same handler being passed down.
// this avoids unnecessary re-renders when users use inline handlers on
// components.
ret.props[0].value = context.cache(ret.props[0].value);
}
// mark the key as handler for props normalization check
ret.props.forEach(p => (p.key.isHandlerKey = true));
return ret;
};
// v-bind without arg is handled directly in ./transformElements.ts due to it affecting
// codegen for the entire props object. This transform here is only for v-bind
// *with* args.
const transformBind = (dir, _node, context) => {
const { exp, modifiers, loc } = dir;
const arg = dir.arg;
if (arg.type !== 4 /* SIMPLE_EXPRESSION */) {
arg.children.unshift(`(`);
arg.children.push(`) || ""`);
}
else if (!arg.isStatic) {
arg.content = `${arg.content} || ""`;
}
// .sync is replaced by v-model:arg
if (modifiers.includes('camel')) {
if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
if (arg.isStatic) {
arg.content = camelize$1(arg.content);
}
else {
arg.content = `${context.helperString(CAMELIZE)}(${arg.content})`;
}
}
else {
arg.children.unshift(`${context.helperString(CAMELIZE)}(`);
arg.children.push(`)`);
}
}
if (!context.inSSR) {
if (modifiers.includes('prop')) {
injectPrefix(arg, '.');
}
if (modifiers.includes('attr')) {
injectPrefix(arg, '^');
}
}
if (!exp ||
(exp.type === 4 /* SIMPLE_EXPRESSION */ && !exp.content.trim())) {
context.onError(createCompilerError(34 /* X_V_BIND_NO_EXPRESSION */, loc));
return {
props: [createObjectProperty(arg, createSimpleExpression('', true, loc))]
};
}
return {
props: [createObjectProperty(arg, exp)]
};
};
const injectPrefix = (arg, prefix) => {
if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
if (arg.isStatic) {
arg.content = prefix + arg.content;
}
else {
arg.content = `\`${prefix}\${${arg.content}}\``;
}
}
else {
arg.children.unshift(`'${prefix}' + (`);
arg.children.push(`)`);
}
};
// Merge adjacent text nodes and expressions into a single expression
// e.g. <div>abc {{ d }} {{ e }}</div> should have a single expression node as child.
const transformText = (node, context) => {
if (node.type === 0 /* ROOT */ ||
node.type === 1 /* ELEMENT */ ||
node.type === 11 /* FOR */ ||
node.type === 10 /* IF_BRANCH */) {
// perform the transform on node exit so that all expressions have already
// been processed.
return () => {
const children = node.children;
let currentContainer = undefined;
let hasText = false;
for (let i = 0; i < children.length; i++) {
const child = children[i];
if (isText(child)) {
hasText = true;
for (let j = i + 1; j < children.length; j++) {
const next = children[j];
if (isText(next)) {
if (!currentContainer) {
currentContainer = children[i] = createCompoundExpression([child], child.loc);
}
// merge adjacent text node into current
currentContainer.children.push(` + `, next);
children.splice(j, 1);
j--;
}
else {
currentContainer = undefined;
break;
}
}
}
}
if (!hasText ||
// if this is a plain element with a single text child, leave it
// as-is since the runtime has dedicated fast path for this by directly
// setting textContent of the element.
// for component root it's always normalized anyway.
(children.length === 1 &&
(node.type === 0 /* ROOT */ ||
(node.type === 1 /* ELEMENT */ &&
node.tagType === 0 /* ELEMENT */ &&
// #3756
// custom directives can potentially add DOM elements arbitrarily,
// we need to avoid setting textContent of the element at runtime
// to avoid accidentally overwriting the DOM elements added
// by the user through custom directives.
!node.props.find(p => p.type === 7 /* DIRECTIVE */ &&
!context.directiveTransforms[p.name]) &&
// in compat mode, <template> tags with no special directives
// will be rendered as a fragment so its children must be
// converted into vnodes.
!(node.tag === 'template'))))) {
return;
}
// pre-convert text nodes into createTextVNode(text) calls to avoid
// runtime normalization.
for (let i = 0; i < children.length; i++) {
const child = children[i];
if (isText(child) || child.type === 8 /* COMPOUND_EXPRESSION */) {
const callArgs = [];
// createTextVNode defaults to single whitespace, so if it is a
// single space the code could be an empty call to save bytes.
if (child.type !== 2 /* TEXT */ || child.content !== ' ') {
callArgs.push(child);
}
// mark dynamic text with flag so it gets patched inside a block
if (!context.ssr &&
getConstantType(child, context) === 0 /* NOT_CONSTANT */) {
callArgs.push(1 /* TEXT */ +
((process.env.NODE_ENV !== 'production') ? ` /* ${PatchFlagNames[1 /* TEXT */]} */` : ``));
}
children[i] = {
type: 12 /* TEXT_CALL */,
content: child,
loc: child.loc,
codegenNode: createCallExpression(context.helper(CREATE_TEXT), callArgs)
};
}
}
};
}
};
const seen = new WeakSet();
const transformOnce = (node, context) => {
if (node.type === 1 /* ELEMENT */ && findDir(node, 'once', true)) {
if (seen.has(node) || context.inVOnce) {
return;
}
seen.add(node);
context.inVOnce = true;
context.helper(SET_BLOCK_TRACKING);
return () => {
context.inVOnce = false;
const cur = context.currentNode;
if (cur.codegenNode) {
cur.codegenNode = context.cache(cur.codegenNode, true /* isVNode */);
}
};
}
};
const transformModel = (dir, node, context) => {
const { exp, arg } = dir;
if (!exp) {
context.onError(createCompilerError(41 /* X_V_MODEL_NO_EXPRESSION */, dir.loc));
return createTransformProps();
}
const rawExp = exp.loc.source;
const expString = exp.type === 4 /* SIMPLE_EXPRESSION */ ? exp.content : rawExp;
const maybeRef = !true /* SETUP_CONST */;
if (!expString.trim() ||
(!isMemberExpression(expString) && !maybeRef)) {
context.onError(createCompilerError(42 /* X_V_MODEL_MALFORMED_EXPRESSION */, exp.loc));
return createTransformProps();
}
const propName = arg ? arg : createSimpleExpression('modelValue', true);
const eventName = arg
? isStaticExp(arg)
? `onUpdate:${arg.content}`
: createCompoundExpression(['"onUpdate:" + ', arg])
: `onUpdate:modelValue`;
let assignmentExp;
const eventArg = context.isTS ? `($event: any)` : `$event`;
{
assignmentExp = createCompoundExpression([
`${eventArg} => ((`,
exp,
`) = $event)`
]);
}
const props = [
// modelValue: foo
createObjectProperty(propName, dir.exp),
// "onUpdate:modelValue": $event => (foo = $event)
createObjectProperty(eventName, assignmentExp)
];
// modelModifiers: { foo: true, "bar-baz": true }
if (dir.modifiers.length && node.tagType === 1 /* COMPONENT */) {
const modifiers = dir.modifiers
.map(m => (isSimpleIdentifier(m) ? m : JSON.stringify(m)) + `: true`)
.join(`, `);
const modifiersKey = arg
? isStaticExp(arg)
? `${arg.content}Modifiers`
: createCompoundExpression([arg, ' + "Modifiers"'])
: `modelModifiers`;
props.push(createObjectProperty(modifiersKey, createSimpleExpression(`{ ${modifiers} }`, false, dir.loc, 2 /* CAN_HOIST */)));
}
return createTransformProps(props);
};
function createTransformProps(props = []) {
return { props };
}
const validDivisionCharRE = /[\w).+\-_$\]]/;
const transformFilter = (node, context) => {
if (!isCompatEnabled("COMPILER_FILTER" /* COMPILER_FILTERS */, context)) {
return;
}
if (node.type === 5 /* INTERPOLATION */) {
// filter rewrite is applied before expression transform so only
// simple expressions are possible at this stage
rewriteFilter(node.content, context);
}
if (node.type === 1 /* ELEMENT */) {
node.props.forEach((prop) => {
if (prop.type === 7 /* DIRECTIVE */ &&
prop.name !== 'for' &&
prop.exp) {
rewriteFilter(prop.exp, context);
}
});
}
};
function rewriteFilter(node, context) {
if (node.type === 4 /* SIMPLE_EXPRESSION */) {
parseFilter(node, context);
}
else {
for (let i = 0; i < node.children.length; i++) {
const child = node.children[i];
if (typeof child !== 'object')
continue;
if (child.type === 4 /* SIMPLE_EXPRESSION */) {
parseFilter(child, context);
}
else if (child.type === 8 /* COMPOUND_EXPRESSION */) {
rewriteFilter(node, context);
}
else if (child.type === 5 /* INTERPOLATION */) {
rewriteFilter(child.content, context);
}
}
}
}
function parseFilter(node, context) {
const exp = node.content;
let inSingle = false;
let inDouble = false;
let inTemplateString = false;
let inRegex = false;
let curly = 0;
let square = 0;
let paren = 0;
let lastFilterIndex = 0;
let c, prev, i, expression, filters = [];
for (i = 0; i < exp.length; i++) {
prev = c;
c = exp.charCodeAt(i);
if (inSingle) {
if (c === 0x27 && prev !== 0x5c)
inSingle = false;
}
else if (inDouble) {
if (c === 0x22 && prev !== 0x5c)
inDouble = false;
}
else if (inTemplateString) {
if (c === 0x60 && prev !== 0x5c)
inTemplateString = false;
}
else if (inRegex) {
if (c === 0x2f && prev !== 0x5c)
inRegex = false;
}
else if (c === 0x7c && // pipe
exp.charCodeAt(i + 1) !== 0x7c &&
exp.charCodeAt(i - 1) !== 0x7c &&
!curly &&
!square &&
!paren) {
if (expression === undefined) {
// first filter, end of expression
lastFilterIndex = i + 1;
expression = exp.slice(0, i).trim();
}
else {
pushFilter();
}
}
else {
switch (c) {
case 0x22:
inDouble = true;
break; // "
case 0x27:
inSingle = true;
break; // '
case 0x60:
inTemplateString = true;
break; // `
case 0x28:
paren++;
break; // (
case 0x29:
paren--;
break; // )
case 0x5b:
square++;
break; // [
case 0x5d:
square--;
break; // ]
case 0x7b:
curly++;
break; // {
case 0x7d:
curly--;
break; // }
}
if (c === 0x2f) {
// /
let j = i - 1;
let p;
// find first non-whitespace prev char
for (; j >= 0; j--) {
p = exp.charAt(j);
if (p !== ' ')
break;
}
if (!p || !validDivisionCharRE.test(p)) {
inRegex = true;
}
}
}
}
if (expression === undefined) {
expression = exp.slice(0, i).trim();
}
else if (lastFilterIndex !== 0) {
pushFilter();
}
function pushFilter() {
filters.push(exp.slice(lastFilterIndex, i).trim());
lastFilterIndex = i + 1;
}
if (filters.length) {
(process.env.NODE_ENV !== 'production') &&
warnDeprecation("COMPILER_FILTER" /* COMPILER_FILTERS */, context, node.loc);
for (i = 0; i < filters.length; i++) {
expression = wrapFilter(expression, filters[i], context);
}
node.content = expression;
}
}
function wrapFilter(exp, filter, context) {
context.helper(RESOLVE_FILTER);
const i = filter.indexOf('(');
if (i < 0) {
context.filters.add(filter);
return `${toValidAssetId(filter, 'filter')}(${exp})`;
}
else {
const name = filter.slice(0, i);
const args = filter.slice(i + 1);
context.filters.add(name);
return `${toValidAssetId(name, 'filter')}(${exp}${args !== ')' ? ',' + args : args}`;
}
}
const seen$1 = new WeakSet();
const transformMemo = (node, context) => {
if (node.type === 1 /* ELEMENT */) {
const dir = findDir(node, 'memo');
if (!dir || seen$1.has(node)) {
return;
}
seen$1.add(node);
return () => {
const codegenNode = node.codegenNode ||
context.currentNode.codegenNode;
if (codegenNode && codegenNode.type === 13 /* VNODE_CALL */) {
// non-component sub tree should be turned into a block
if (node.tagType !== 1 /* COMPONENT */) {
makeBlock(codegenNode, context);
}
node.codegenNode = createCallExpression(context.helper(WITH_MEMO), [
dir.exp,
createFunctionExpression(undefined, codegenNode),
`_cache`,
String(context.cached++)
]);
}
};
}
};
function getBaseTransformPreset(prefixIdentifiers) {
return [
[
transformOnce,
transformIf,
transformMemo,
transformFor,
...([transformFilter] ),
...((process.env.NODE_ENV !== 'production')
? [transformExpression]
: []),
transformSlotOutlet,
transformElement,
trackSlotScopes,
transformText
],
{
on: transformOn,
bind: transformBind,
model: transformModel
}
];
}
// we name it `baseCompile` so that higher order compilers like
// @vue/compiler-dom can export `compile` while re-exporting everything else.
function baseCompile(template, options = {}) {
const onError = options.onError || defaultOnError;
const isModuleMode = options.mode === 'module';
/* istanbul ignore if */
{
if (options.prefixIdentifiers === true) {
onError(createCompilerError(46 /* X_PREFIX_ID_NOT_SUPPORTED */));
}
else if (isModuleMode) {
onError(createCompilerError(47 /* X_MODULE_MODE_NOT_SUPPORTED */));
}
}
const prefixIdentifiers = !true ;
if (options.cacheHandlers) {
onError(createCompilerError(48 /* X_CACHE_HANDLER_NOT_SUPPORTED */));
}
if (options.scopeId && !isModuleMode) {
onError(createCompilerError(49 /* X_SCOPE_ID_NOT_SUPPORTED */));
}
const ast = isString(template) ? baseParse(template, options) : template;
const [nodeTransforms, directiveTransforms] = getBaseTransformPreset();
transform(ast, extend({}, options, {
prefixIdentifiers,
nodeTransforms: [
...nodeTransforms,
...(options.nodeTransforms || []) // user transforms
],
directiveTransforms: extend({}, directiveTransforms, options.directiveTransforms || {} // user transforms
)
}));
return generate(ast, extend({}, options, {
prefixIdentifiers
}));
}
const noopDirectiveTransform = () => ({ props: [] });
var compilerCore_esmBundler = {
__proto__: null,
BASE_TRANSITION: BASE_TRANSITION,
CAMELIZE: CAMELIZE,
CAPITALIZE: CAPITALIZE,
CREATE_BLOCK: CREATE_BLOCK,
CREATE_COMMENT: CREATE_COMMENT,
CREATE_ELEMENT_BLOCK: CREATE_ELEMENT_BLOCK,
CREATE_ELEMENT_VNODE: CREATE_ELEMENT_VNODE,
CREATE_SLOTS: CREATE_SLOTS,
CREATE_STATIC: CREATE_STATIC,
CREATE_TEXT: CREATE_TEXT,
CREATE_VNODE: CREATE_VNODE,
FRAGMENT: FRAGMENT,
GUARD_REACTIVE_PROPS: GUARD_REACTIVE_PROPS,
IS_MEMO_SAME: IS_MEMO_SAME,
IS_REF: IS_REF,
KEEP_ALIVE: KEEP_ALIVE,
MERGE_PROPS: MERGE_PROPS,
NORMALIZE_CLASS: NORMALIZE_CLASS,
NORMALIZE_PROPS: NORMALIZE_PROPS,
NORMALIZE_STYLE: NORMALIZE_STYLE,
OPEN_BLOCK: OPEN_BLOCK,
POP_SCOPE_ID: POP_SCOPE_ID,
PUSH_SCOPE_ID: PUSH_SCOPE_ID,
RENDER_LIST: RENDER_LIST,
RENDER_SLOT: RENDER_SLOT,
RESOLVE_COMPONENT: RESOLVE_COMPONENT,
RESOLVE_DIRECTIVE: RESOLVE_DIRECTIVE,
RESOLVE_DYNAMIC_COMPONENT: RESOLVE_DYNAMIC_COMPONENT,
RESOLVE_FILTER: RESOLVE_FILTER,
SET_BLOCK_TRACKING: SET_BLOCK_TRACKING,
SUSPENSE: SUSPENSE,
TELEPORT: TELEPORT,
TO_DISPLAY_STRING: TO_DISPLAY_STRING,
TO_HANDLERS: TO_HANDLERS,
TO_HANDLER_KEY: TO_HANDLER_KEY,
UNREF: UNREF,
WITH_CTX: WITH_CTX,
WITH_DIRECTIVES: WITH_DIRECTIVES,
WITH_MEMO: WITH_MEMO,
advancePositionWithClone: advancePositionWithClone,
advancePositionWithMutation: advancePositionWithMutation,
assert: assert,
baseCompile: baseCompile,
baseParse: baseParse,
buildDirectiveArgs: buildDirectiveArgs,
buildProps: buildProps,
buildSlots: buildSlots,
checkCompatEnabled: checkCompatEnabled,
createArrayExpression: createArrayExpression,
createAssignmentExpression: createAssignmentExpression,
createBlockStatement: createBlockStatement,
createCacheExpression: createCacheExpression,
createCallExpression: createCallExpression,
createCompilerError: createCompilerError,
createCompoundExpression: createCompoundExpression,
createConditionalExpression: createConditionalExpression,
createForLoopParams: createForLoopParams,
createFunctionExpression: createFunctionExpression,
createIfStatement: createIfStatement,
createInterpolation: createInterpolation,
createObjectExpression: createObjectExpression,
createObjectProperty: createObjectProperty,
createReturnStatement: createReturnStatement,
createRoot: createRoot,
createSequenceExpression: createSequenceExpression,
createSimpleExpression: createSimpleExpression,
createStructuralDirectiveTransform: createStructuralDirectiveTransform,
createTemplateLiteral: createTemplateLiteral,
createTransformContext: createTransformContext,
createVNodeCall: createVNodeCall,
extractIdentifiers: extractIdentifiers,
findDir: findDir,
findProp: findProp,
generate: generate,
getBaseTransformPreset: getBaseTransformPreset,
getConstantType: getConstantType,
getInnerRange: getInnerRange,
getMemoedVNodeCall: getMemoedVNodeCall,
getVNodeBlockHelper: getVNodeBlockHelper,
getVNodeHelper: getVNodeHelper,
hasDynamicKeyVBind: hasDynamicKeyVBind,
hasScopeRef: hasScopeRef,
helperNameMap: helperNameMap,
injectProp: injectProp,
isBuiltInType: isBuiltInType,
isCoreComponent: isCoreComponent,
isFunctionType: isFunctionType,
isInDestructureAssignment: isInDestructureAssignment,
isMemberExpression: isMemberExpression,
isMemberExpressionBrowser: isMemberExpressionBrowser,
isMemberExpressionNode: isMemberExpressionNode,
isReferencedIdentifier: isReferencedIdentifier,
isSimpleIdentifier: isSimpleIdentifier,
isSlotOutlet: isSlotOutlet,
isStaticArgOf: isStaticArgOf,
isStaticExp: isStaticExp,
isStaticProperty: isStaticProperty,
isStaticPropertyKey: isStaticPropertyKey,
isTemplateNode: isTemplateNode,
isText: isText,
isVSlot: isVSlot,
locStub: locStub,
makeBlock: makeBlock,
noopDirectiveTransform: noopDirectiveTransform,
processExpression: processExpression,
processFor: processFor,
processIf: processIf,
processSlotOutlet: processSlotOutlet,
registerRuntimeHelpers: registerRuntimeHelpers,
resolveComponentType: resolveComponentType,
toValidAssetId: toValidAssetId,
trackSlotScopes: trackSlotScopes,
trackVForSlotScopes: trackVForSlotScopes,
transform: transform,
transformBind: transformBind,
transformElement: transformElement,
transformExpression: transformExpression,
transformModel: transformModel,
transformOn: transformOn,
traverseNode: traverseNode,
walkBlockDeclarations: walkBlockDeclarations,
walkFunctionParams: walkFunctionParams,
walkIdentifiers: walkIdentifiers,
warnDeprecation: warnDeprecation,
generateCodeFrame: generateCodeFrame
};
var require$$0 = /*@__PURE__*/getAugmentedNamespace(compilerCore_esmBundler);
var require$$1 = /*@__PURE__*/getAugmentedNamespace(shared_esmBundler);
(function (exports) {
Object.defineProperty(exports, '__esModule', { value: true });
var compilerCore = require$$0;
var shared = require$$1;
const V_MODEL_RADIO = Symbol(`vModelRadio` );
const V_MODEL_CHECKBOX = Symbol(`vModelCheckbox` );
const V_MODEL_TEXT = Symbol(`vModelText` );
const V_MODEL_SELECT = Symbol(`vModelSelect` );
const V_MODEL_DYNAMIC = Symbol(`vModelDynamic` );
const V_ON_WITH_MODIFIERS = Symbol(`vOnModifiersGuard` );
const V_ON_WITH_KEYS = Symbol(`vOnKeysGuard` );
const V_SHOW = Symbol(`vShow` );
const TRANSITION = Symbol(`Transition` );
const TRANSITION_GROUP = Symbol(`TransitionGroup` );
compilerCore.registerRuntimeHelpers({
[V_MODEL_RADIO]: `vModelRadio`,
[V_MODEL_CHECKBOX]: `vModelCheckbox`,
[V_MODEL_TEXT]: `vModelText`,
[V_MODEL_SELECT]: `vModelSelect`,
[V_MODEL_DYNAMIC]: `vModelDynamic`,
[V_ON_WITH_MODIFIERS]: `withModifiers`,
[V_ON_WITH_KEYS]: `withKeys`,
[V_SHOW]: `vShow`,
[TRANSITION]: `Transition`,
[TRANSITION_GROUP]: `TransitionGroup`
});
var namedCharacterReferences = {
GT: ">",
gt: ">",
LT: "<",
lt: "<",
"ac;": "∾",
"af;": "",
AMP: "&",
amp: "&",
"ap;": "≈",
"DD;": "ⅅ",
"dd;": "ⅆ",
deg: "°",
"ee;": "ⅇ",
"eg;": "⪚",
"el;": "⪙",
ETH: "Ð",
eth: "ð",
"gE;": "≧",
"ge;": "≥",
"Gg;": "⋙",
"gg;": "≫",
"gl;": "≷",
"GT;": ">",
"Gt;": "≫",
"gt;": ">",
"ic;": "",
"ii;": "ⅈ",
"Im;": "ℑ",
"in;": "∈",
"it;": "",
"lE;": "≦",
"le;": "≤",
"lg;": "≶",
"Ll;": "⋘",
"ll;": "≪",
"LT;": "<",
"Lt;": "≪",
"lt;": "<",
"mp;": "∓",
"Mu;": "Μ",
"mu;": "μ",
"ne;": "≠",
"ni;": "∋",
not: "¬",
"Nu;": "Ν",
"nu;": "ν",
"Or;": "⩔",
"or;": "∨",
"oS;": "Ⓢ",
"Pi;": "Π",
"pi;": "π",
"pm;": "±",
"Pr;": "⪻",
"pr;": "≺",
"Re;": "ℜ",
REG: "®",
reg: "®",
"rx;": "℞",
"Sc;": "⪼",
"sc;": "≻",
shy: "",
uml: "¨",
"wp;": "℘",
"wr;": "≀",
"Xi;": "Ξ",
"xi;": "ξ",
yen: "¥",
"acd;": "∿",
"acE;": "∾̳",
"Acy;": "А",
"acy;": "а",
"Afr;": "𝔄",
"afr;": "𝔞",
"AMP;": "&",
"amp;": "&",
"And;": "⩓",
"and;": "∧",
"ang;": "∠",
"apE;": "⩰",
"ape;": "≊",
"ast;": "*",
Auml: "Ä",
auml: "ä",
"Bcy;": "Б",
"bcy;": "б",
"Bfr;": "𝔅",
"bfr;": "𝔟",
"bne;": "=⃥",
"bot;": "⊥",
"Cap;": "⋒",
"cap;": "∩",
cent: "¢",
"Cfr;": "ℭ",
"cfr;": "𝔠",
"Chi;": "Χ",
"chi;": "χ",
"cir;": "○",
COPY: "©",
copy: "©",
"Cup;": "⋓",
"cup;": "∪",
"Dcy;": "Д",
"dcy;": "д",
"deg;": "°",
"Del;": "∇",
"Dfr;": "𝔇",
"dfr;": "𝔡",
"die;": "¨",
"div;": "÷",
"Dot;": "¨",
"dot;": "˙",
"Ecy;": "Э",
"ecy;": "э",
"Efr;": "𝔈",
"efr;": "𝔢",
"egs;": "⪖",
"ell;": "ℓ",
"els;": "⪕",
"ENG;": "Ŋ",
"eng;": "ŋ",
"Eta;": "Η",
"eta;": "η",
"ETH;": "Ð",
"eth;": "ð",
Euml: "Ë",
euml: "ë",
"Fcy;": "Ф",
"fcy;": "ф",
"Ffr;": "𝔉",
"ffr;": "𝔣",
"gap;": "⪆",
"Gcy;": "Г",
"gcy;": "г",
"gEl;": "⪌",
"gel;": "⋛",
"geq;": "≥",
"ges;": "⩾",
"Gfr;": "𝔊",
"gfr;": "𝔤",
"ggg;": "⋙",
"gla;": "⪥",
"glE;": "⪒",
"glj;": "⪤",
"gnE;": "≩",
"gne;": "⪈",
"Hat;": "^",
"Hfr;": "ℌ",
"hfr;": "𝔥",
"Icy;": "И",
"icy;": "и",
"iff;": "⇔",
"Ifr;": "ℑ",
"ifr;": "𝔦",
"Int;": "∬",
"int;": "∫",
Iuml: "Ï",
iuml: "ï",
"Jcy;": "Й",
"jcy;": "й",
"Jfr;": "𝔍",
"jfr;": "𝔧",
"Kcy;": "К",
"kcy;": "к",
"Kfr;": "𝔎",
"kfr;": "𝔨",
"lap;": "⪅",
"lat;": "⪫",
"Lcy;": "Л",
"lcy;": "л",
"lEg;": "⪋",
"leg;": "⋚",
"leq;": "≤",
"les;": "⩽",
"Lfr;": "𝔏",
"lfr;": "𝔩",
"lgE;": "⪑",
"lnE;": "≨",
"lne;": "⪇",
"loz;": "◊",
"lrm;": "",
"Lsh;": "↰",
"lsh;": "↰",
macr: "¯",
"Map;": "⤅",
"map;": "↦",
"Mcy;": "М",
"mcy;": "м",
"Mfr;": "𝔐",
"mfr;": "𝔪",
"mho;": "℧",
"mid;": "∣",
"nap;": "≉",
nbsp: " ",
"Ncy;": "Н",
"ncy;": "н",
"Nfr;": "𝔑",
"nfr;": "𝔫",
"ngE;": "≧̸",
"nge;": "≱",
"nGg;": "⋙̸",
"nGt;": "≫⃒",
"ngt;": "≯",
"nis;": "⋼",
"niv;": "∋",
"nlE;": "≦̸",
"nle;": "≰",
"nLl;": "⋘̸",
"nLt;": "≪⃒",
"nlt;": "≮",
"Not;": "⫬",
"not;": "¬",
"npr;": "⊀",
"nsc;": "⊁",
"num;": "#",
"Ocy;": "О",
"ocy;": "о",
"Ofr;": "𝔒",
"ofr;": "𝔬",
"ogt;": "⧁",
"ohm;": "Ω",
"olt;": "⧀",
"ord;": "⩝",
ordf: "ª",
ordm: "º",
"orv;": "⩛",
Ouml: "Ö",
ouml: "ö",
"par;": "∥",
para: "¶",
"Pcy;": "П",
"pcy;": "п",
"Pfr;": "𝔓",
"pfr;": "𝔭",
"Phi;": "Φ",
"phi;": "φ",
"piv;": "ϖ",
"prE;": "⪳",
"pre;": "⪯",
"Psi;": "Ψ",
"psi;": "ψ",
"Qfr;": "𝔔",
"qfr;": "𝔮",
QUOT: "\"",
quot: "\"",
"Rcy;": "Р",
"rcy;": "р",
"REG;": "®",
"reg;": "®",
"Rfr;": "ℜ",
"rfr;": "𝔯",
"Rho;": "Ρ",
"rho;": "ρ",
"rlm;": "",
"Rsh;": "↱",
"rsh;": "↱",
"scE;": "⪴",
"sce;": "⪰",
"Scy;": "С",
"scy;": "с",
sect: "§",
"Sfr;": "𝔖",
"sfr;": "𝔰",
"shy;": "",
"sim;": "∼",
"smt;": "⪪",
"sol;": "/",
"squ;": "□",
"Sub;": "⋐",
"sub;": "⊂",
"Sum;": "∑",
"sum;": "∑",
"Sup;": "⋑",
"sup;": "⊃",
sup1: "¹",
sup2: "²",
sup3: "³",
"Tab;": "\t",
"Tau;": "Τ",
"tau;": "τ",
"Tcy;": "Т",
"tcy;": "т",
"Tfr;": "𝔗",
"tfr;": "𝔱",
"top;": "⊤",
"Ucy;": "У",
"ucy;": "у",
"Ufr;": "𝔘",
"ufr;": "𝔲",
"uml;": "¨",
Uuml: "Ü",
uuml: "ü",
"Vcy;": "В",
"vcy;": "в",
"Vee;": "⋁",
"vee;": "∨",
"Vfr;": "𝔙",
"vfr;": "𝔳",
"Wfr;": "𝔚",
"wfr;": "𝔴",
"Xfr;": "𝔛",
"xfr;": "𝔵",
"Ycy;": "Ы",
"ycy;": "ы",
"yen;": "¥",
"Yfr;": "𝔜",
"yfr;": "𝔶",
yuml: "ÿ",
"Zcy;": "З",
"zcy;": "з",
"Zfr;": "ℨ",
"zfr;": "𝔷",
"zwj;": "",
Acirc: "Â",
acirc: "â",
acute: "´",
AElig: "Æ",
aelig: "æ",
"andd;": "⩜",
"andv;": "⩚",
"ange;": "⦤",
"Aopf;": "𝔸",
"aopf;": "𝕒",
"apid;": "≋",
"apos;": "'",
Aring: "Å",
aring: "å",
"Ascr;": "𝒜",
"ascr;": "𝒶",
"Auml;": "Ä",
"auml;": "ä",
"Barv;": "⫧",
"bbrk;": "⎵",
"Beta;": "Β",
"beta;": "β",
"beth;": "ℶ",
"bNot;": "⫭",
"bnot;": "⌐",
"Bopf;": "𝔹",
"bopf;": "𝕓",
"boxH;": "═",
"boxh;": "─",
"boxV;": "║",
"boxv;": "│",
"Bscr;": "ℬ",
"bscr;": "𝒷",
"bsim;": "∽",
"bsol;": "\\",
"bull;": "•",
"bump;": "≎",
"caps;": "∩︀",
"Cdot;": "Ċ",
"cdot;": "ċ",
cedil: "¸",
"cent;": "¢",
"CHcy;": "Ч",
"chcy;": "ч",
"circ;": "ˆ",
"cirE;": "⧃",
"cire;": "≗",
"comp;": "∁",
"cong;": "≅",
"Copf;": "ℂ",
"copf;": "𝕔",
"COPY;": "©",
"copy;": "©",
"Cscr;": "𝒞",
"cscr;": "𝒸",
"csub;": "⫏",
"csup;": "⫐",
"cups;": "∪︀",
"Darr;": "↡",
"dArr;": "⇓",
"darr;": "↓",
"dash;": "‐",
"dHar;": "⥥",
"diam;": "⋄",
"DJcy;": "Ђ",
"djcy;": "ђ",
"Dopf;": "𝔻",
"dopf;": "𝕕",
"Dscr;": "𝒟",
"dscr;": "𝒹",
"DScy;": "Ѕ",
"dscy;": "ѕ",
"dsol;": "⧶",
"dtri;": "▿",
"DZcy;": "Џ",
"dzcy;": "џ",
"ecir;": "≖",
Ecirc: "Ê",
ecirc: "ê",
"Edot;": "Ė",
"eDot;": "≑",
"edot;": "ė",
"emsp;": " ",
"ensp;": " ",
"Eopf;": "𝔼",
"eopf;": "𝕖",
"epar;": "⋕",
"epsi;": "ε",
"Escr;": "ℰ",
"escr;": "ℯ",
"Esim;": "⩳",
"esim;": "≂",
"Euml;": "Ë",
"euml;": "ë",
"euro;": "€",
"excl;": "!",
"flat;": "♭",
"fnof;": "ƒ",
"Fopf;": "𝔽",
"fopf;": "𝕗",
"fork;": "⋔",
"Fscr;": "ℱ",
"fscr;": "𝒻",
"Gdot;": "Ġ",
"gdot;": "ġ",
"geqq;": "≧",
"gesl;": "⋛︀",
"GJcy;": "Ѓ",
"gjcy;": "ѓ",
"gnap;": "⪊",
"gneq;": "⪈",
"Gopf;": "𝔾",
"gopf;": "𝕘",
"Gscr;": "𝒢",
"gscr;": "ℊ",
"gsim;": "≳",
"gtcc;": "⪧",
"gvnE;": "≩︀",
"half;": "½",
"hArr;": "⇔",
"harr;": "↔",
"hbar;": "ℏ",
"Hopf;": "ℍ",
"hopf;": "𝕙",
"Hscr;": "ℋ",
"hscr;": "𝒽",
Icirc: "Î",
icirc: "î",
"Idot;": "İ",
"IEcy;": "Е",
"iecy;": "е",
iexcl: "¡",
"imof;": "⊷",
"IOcy;": "Ё",
"iocy;": "ё",
"Iopf;": "𝕀",
"iopf;": "𝕚",
"Iota;": "Ι",
"iota;": "ι",
"Iscr;": "ℐ",
"iscr;": "𝒾",
"isin;": "∈",
"Iuml;": "Ï",
"iuml;": "ï",
"Jopf;": "𝕁",
"jopf;": "𝕛",
"Jscr;": "𝒥",
"jscr;": "𝒿",
"KHcy;": "Х",
"khcy;": "х",
"KJcy;": "Ќ",
"kjcy;": "ќ",
"Kopf;": "𝕂",
"kopf;": "𝕜",
"Kscr;": "𝒦",
"kscr;": "𝓀",
"Lang;": "⟪",
"lang;": "⟨",
laquo: "«",
"Larr;": "↞",
"lArr;": "⇐",
"larr;": "←",
"late;": "⪭",
"lcub;": "{",
"ldca;": "⤶",
"ldsh;": "↲",
"leqq;": "≦",
"lesg;": "⋚︀",
"lHar;": "⥢",
"LJcy;": "Љ",
"ljcy;": "љ",
"lnap;": "⪉",
"lneq;": "⪇",
"Lopf;": "𝕃",
"lopf;": "𝕝",
"lozf;": "⧫",
"lpar;": "(",
"Lscr;": "ℒ",
"lscr;": "𝓁",
"lsim;": "≲",
"lsqb;": "[",
"ltcc;": "⪦",
"ltri;": "◃",
"lvnE;": "≨︀",
"macr;": "¯",
"male;": "♂",
"malt;": "✠",
micro: "µ",
"mlcp;": "⫛",
"mldr;": "…",
"Mopf;": "𝕄",
"mopf;": "𝕞",
"Mscr;": "ℳ",
"mscr;": "𝓂",
"nang;": "∠⃒",
"napE;": "⩰̸",
"nbsp;": " ",
"ncap;": "⩃",
"ncup;": "⩂",
"ngeq;": "≱",
"nges;": "⩾̸",
"ngtr;": "≯",
"nGtv;": "≫̸",
"nisd;": "⋺",
"NJcy;": "Њ",
"njcy;": "њ",
"nldr;": "‥",
"nleq;": "≰",
"nles;": "⩽̸",
"nLtv;": "≪̸",
"nmid;": "∤",
"Nopf;": "ℕ",
"nopf;": "𝕟",
"npar;": "∦",
"npre;": "⪯̸",
"nsce;": "⪰̸",
"Nscr;": "𝒩",
"nscr;": "𝓃",
"nsim;": "≁",
"nsub;": "⊄",
"nsup;": "⊅",
"ntgl;": "≹",
"ntlg;": "≸",
"nvap;": "≍⃒",
"nvge;": "≥⃒",
"nvgt;": ">⃒",
"nvle;": "≤⃒",
"nvlt;": "<⃒",
"oast;": "⊛",
"ocir;": "⊚",
Ocirc: "Ô",
ocirc: "ô",
"odiv;": "⨸",
"odot;": "⊙",
"ogon;": "˛",
"oint;": "∮",
"omid;": "⦶",
"Oopf;": "𝕆",
"oopf;": "𝕠",
"opar;": "⦷",
"ordf;": "ª",
"ordm;": "º",
"oror;": "⩖",
"Oscr;": "𝒪",
"oscr;": "ℴ",
"osol;": "⊘",
"Ouml;": "Ö",
"ouml;": "ö",
"para;": "¶",
"part;": "∂",
"perp;": "⊥",
"phiv;": "ϕ",
"plus;": "+",
"Popf;": "ℙ",
"popf;": "𝕡",
pound: "£",
"prap;": "⪷",
"prec;": "≺",
"prnE;": "⪵",
"prod;": "∏",
"prop;": "∝",
"Pscr;": "𝒫",
"pscr;": "𝓅",
"qint;": "⨌",
"Qopf;": "ℚ",
"qopf;": "𝕢",
"Qscr;": "𝒬",
"qscr;": "𝓆",
"QUOT;": "\"",
"quot;": "\"",
"race;": "∽̱",
"Rang;": "⟫",
"rang;": "⟩",
raquo: "»",
"Rarr;": "↠",
"rArr;": "⇒",
"rarr;": "→",
"rcub;": "}",
"rdca;": "⤷",
"rdsh;": "↳",
"real;": "ℜ",
"rect;": "▭",
"rHar;": "⥤",
"rhov;": "ϱ",
"ring;": "˚",
"Ropf;": "ℝ",
"ropf;": "𝕣",
"rpar;": ")",
"Rscr;": "ℛ",
"rscr;": "𝓇",
"rsqb;": "]",
"rtri;": "▹",
"scap;": "⪸",
"scnE;": "⪶",
"sdot;": "⋅",
"sect;": "§",
"semi;": ";",
"sext;": "✶",
"SHcy;": "Ш",
"shcy;": "ш",
"sime;": "≃",
"simg;": "⪞",
"siml;": "⪝",
"smid;": "∣",
"smte;": "⪬",
"solb;": "⧄",
"Sopf;": "𝕊",
"sopf;": "𝕤",
"spar;": "∥",
"Sqrt;": "√",
"squf;": "▪",
"Sscr;": "𝒮",
"sscr;": "𝓈",
"Star;": "⋆",
"star;": "☆",
"subE;": "⫅",
"sube;": "⊆",
"succ;": "≻",
"sung;": "♪",
"sup1;": "¹",
"sup2;": "²",
"sup3;": "³",
"supE;": "⫆",
"supe;": "⊇",
szlig: "ß",
"tbrk;": "⎴",
"tdot;": "⃛",
THORN: "Þ",
thorn: "þ",
times: "×",
"tint;": "∭",
"toea;": "⤨",
"Topf;": "𝕋",
"topf;": "𝕥",
"tosa;": "⤩",
"trie;": "≜",
"Tscr;": "𝒯",
"tscr;": "𝓉",
"TScy;": "Ц",
"tscy;": "ц",
"Uarr;": "↟",
"uArr;": "⇑",
"uarr;": "↑",
Ucirc: "Û",
ucirc: "û",
"uHar;": "⥣",
"Uopf;": "𝕌",
"uopf;": "𝕦",
"Upsi;": "ϒ",
"upsi;": "υ",
"Uscr;": "𝒰",
"uscr;": "𝓊",
"utri;": "▵",
"Uuml;": "Ü",
"uuml;": "ü",
"vArr;": "⇕",
"varr;": "↕",
"Vbar;": "⫫",
"vBar;": "⫨",
"Vert;": "‖",
"vert;": "|",
"Vopf;": "𝕍",
"vopf;": "𝕧",
"Vscr;": "𝒱",
"vscr;": "𝓋",
"Wopf;": "𝕎",
"wopf;": "𝕨",
"Wscr;": "𝒲",
"wscr;": "𝓌",
"xcap;": "⋂",
"xcup;": "⋃",
"xmap;": "⟼",
"xnis;": "⋻",
"Xopf;": "𝕏",
"xopf;": "𝕩",
"Xscr;": "𝒳",
"xscr;": "𝓍",
"xvee;": "⋁",
"YAcy;": "Я",
"yacy;": "я",
"YIcy;": "Ї",
"yicy;": "ї",
"Yopf;": "𝕐",
"yopf;": "𝕪",
"Yscr;": "𝒴",
"yscr;": "𝓎",
"YUcy;": "Ю",
"yucy;": "ю",
"Yuml;": "Ÿ",
"yuml;": "ÿ",
"Zdot;": "Ż",
"zdot;": "ż",
"Zeta;": "Ζ",
"zeta;": "ζ",
"ZHcy;": "Ж",
"zhcy;": "ж",
"Zopf;": "ℤ",
"zopf;": "𝕫",
"Zscr;": "𝒵",
"zscr;": "𝓏",
"zwnj;": "",
Aacute: "Á",
aacute: "á",
"Acirc;": "Â",
"acirc;": "â",
"acute;": "´",
"AElig;": "Æ",
"aelig;": "æ",
Agrave: "À",
agrave: "à",
"aleph;": "ℵ",
"Alpha;": "Α",
"alpha;": "α",
"Amacr;": "Ā",
"amacr;": "ā",
"amalg;": "⨿",
"angle;": "∠",
"angrt;": "∟",
"angst;": "Å",
"Aogon;": "Ą",
"aogon;": "ą",
"Aring;": "Å",
"aring;": "å",
"asymp;": "≈",
Atilde: "Ã",
atilde: "ã",
"awint;": "⨑",
"bcong;": "≌",
"bdquo;": "„",
"bepsi;": "϶",
"blank;": "␣",
"blk12;": "▒",
"blk14;": "░",
"blk34;": "▓",
"block;": "█",
"boxDL;": "╗",
"boxDl;": "╖",
"boxdL;": "╕",
"boxdl;": "┐",
"boxDR;": "╔",
"boxDr;": "╓",
"boxdR;": "╒",
"boxdr;": "┌",
"boxHD;": "╦",
"boxHd;": "╤",
"boxhD;": "╥",
"boxhd;": "┬",
"boxHU;": "╩",
"boxHu;": "╧",
"boxhU;": "╨",
"boxhu;": "┴",
"boxUL;": "╝",
"boxUl;": "╜",
"boxuL;": "╛",
"boxul;": "┘",
"boxUR;": "╚",
"boxUr;": "╙",
"boxuR;": "╘",
"boxur;": "└",
"boxVH;": "╬",
"boxVh;": "╫",
"boxvH;": "╪",
"boxvh;": "┼",
"boxVL;": "╣",
"boxVl;": "╢",
"boxvL;": "╡",
"boxvl;": "┤",
"boxVR;": "╠",
"boxVr;": "╟",
"boxvR;": "╞",
"boxvr;": "├",
"Breve;": "˘",
"breve;": "˘",
brvbar: "¦",
"bsemi;": "⁏",
"bsime;": "⋍",
"bsolb;": "⧅",
"bumpE;": "⪮",
"bumpe;": "≏",
"caret;": "⁁",
"caron;": "ˇ",
"ccaps;": "⩍",
Ccedil: "Ç",
ccedil: "ç",
"Ccirc;": "Ĉ",
"ccirc;": "ĉ",
"ccups;": "⩌",
"cedil;": "¸",
"check;": "✓",
"clubs;": "♣",
"Colon;": "∷",
"colon;": ":",
"comma;": ",",
"crarr;": "↵",
"Cross;": "⨯",
"cross;": "✗",
"csube;": "⫑",
"csupe;": "⫒",
"ctdot;": "⋯",
"cuepr;": "⋞",
"cuesc;": "⋟",
"cupor;": "⩅",
curren: "¤",
"cuvee;": "⋎",
"cuwed;": "⋏",
"cwint;": "∱",
"Dashv;": "⫤",
"dashv;": "⊣",
"dblac;": "˝",
"ddarr;": "⇊",
"Delta;": "Δ",
"delta;": "δ",
"dharl;": "⇃",
"dharr;": "⇂",
"diams;": "♦",
"disin;": "⋲",
divide: "÷",
"doteq;": "≐",
"dtdot;": "⋱",
"dtrif;": "▾",
"duarr;": "⇵",
"duhar;": "⥯",
Eacute: "É",
eacute: "é",
"Ecirc;": "Ê",
"ecirc;": "ê",
"eDDot;": "⩷",
"efDot;": "≒",
Egrave: "È",
egrave: "è",
"Emacr;": "Ē",
"emacr;": "ē",
"empty;": "∅",
"Eogon;": "Ę",
"eogon;": "ę",
"eplus;": "⩱",
"epsiv;": "ϵ",
"eqsim;": "≂",
"Equal;": "⩵",
"equiv;": "≡",
"erarr;": "⥱",
"erDot;": "≓",
"esdot;": "≐",
"exist;": "∃",
"fflig;": "ff",
"filig;": "fi",
"fjlig;": "fj",
"fllig;": "fl",
"fltns;": "▱",
"forkv;": "⫙",
frac12: "½",
frac14: "¼",
frac34: "¾",
"frasl;": "⁄",
"frown;": "⌢",
"Gamma;": "Γ",
"gamma;": "γ",
"Gcirc;": "Ĝ",
"gcirc;": "ĝ",
"gescc;": "⪩",
"gimel;": "ℷ",
"gneqq;": "≩",
"gnsim;": "⋧",
"grave;": "`",
"gsime;": "⪎",
"gsiml;": "⪐",
"gtcir;": "⩺",
"gtdot;": "⋗",
"Hacek;": "ˇ",
"harrw;": "↭",
"Hcirc;": "Ĥ",
"hcirc;": "ĥ",
"hoarr;": "⇿",
Iacute: "Í",
iacute: "í",
"Icirc;": "Î",
"icirc;": "î",
"iexcl;": "¡",
Igrave: "Ì",
igrave: "ì",
"iiint;": "∭",
"iiota;": "℩",
"IJlig;": "IJ",
"ijlig;": "ij",
"Imacr;": "Ī",
"imacr;": "ī",
"image;": "ℑ",
"imath;": "ı",
"imped;": "Ƶ",
"infin;": "∞",
"Iogon;": "Į",
"iogon;": "į",
"iprod;": "⨼",
iquest: "¿",
"isinE;": "⋹",
"isins;": "⋴",
"isinv;": "∈",
"Iukcy;": "І",
"iukcy;": "і",
"Jcirc;": "Ĵ",
"jcirc;": "ĵ",
"jmath;": "ȷ",
"Jukcy;": "Є",
"jukcy;": "є",
"Kappa;": "Κ",
"kappa;": "κ",
"lAarr;": "⇚",
"langd;": "⦑",
"laquo;": "«",
"larrb;": "⇤",
"lates;": "⪭︀",
"lBarr;": "⤎",
"lbarr;": "⤌",
"lbbrk;": "❲",
"lbrke;": "⦋",
"lceil;": "⌈",
"ldquo;": "“",
"lescc;": "⪨",
"lhard;": "↽",
"lharu;": "↼",
"lhblk;": "▄",
"llarr;": "⇇",
"lltri;": "◺",
"lneqq;": "≨",
"lnsim;": "⋦",
"loang;": "⟬",
"loarr;": "⇽",
"lobrk;": "⟦",
"lopar;": "⦅",
"lrarr;": "⇆",
"lrhar;": "⇋",
"lrtri;": "⊿",
"lsime;": "⪍",
"lsimg;": "⪏",
"lsquo;": "‘",
"ltcir;": "⩹",
"ltdot;": "⋖",
"ltrie;": "⊴",
"ltrif;": "◂",
"mdash;": "—",
"mDDot;": "∺",
"micro;": "µ",
middot: "·",
"minus;": "−",
"mumap;": "⊸",
"nabla;": "∇",
"napid;": "≋̸",
"napos;": "ʼn",
"natur;": "♮",
"nbump;": "≎̸",
"ncong;": "≇",
"ndash;": "–",
"neArr;": "⇗",
"nearr;": "↗",
"nedot;": "≐̸",
"nesim;": "≂̸",
"ngeqq;": "≧̸",
"ngsim;": "≵",
"nhArr;": "⇎",
"nharr;": "↮",
"nhpar;": "⫲",
"nlArr;": "⇍",
"nlarr;": "↚",
"nleqq;": "≦̸",
"nless;": "≮",
"nlsim;": "≴",
"nltri;": "⋪",
"notin;": "∉",
"notni;": "∌",
"npart;": "∂̸",
"nprec;": "⊀",
"nrArr;": "⇏",
"nrarr;": "↛",
"nrtri;": "⋫",
"nsime;": "≄",
"nsmid;": "∤",
"nspar;": "∦",
"nsubE;": "⫅̸",
"nsube;": "⊈",
"nsucc;": "⊁",
"nsupE;": "⫆̸",
"nsupe;": "⊉",
Ntilde: "Ñ",
ntilde: "ñ",
"numsp;": " ",
"nvsim;": "∼⃒",
"nwArr;": "⇖",
"nwarr;": "↖",
Oacute: "Ó",
oacute: "ó",
"Ocirc;": "Ô",
"ocirc;": "ô",
"odash;": "⊝",
"OElig;": "Œ",
"oelig;": "œ",
"ofcir;": "⦿",
Ograve: "Ò",
ograve: "ò",
"ohbar;": "⦵",
"olarr;": "↺",
"olcir;": "⦾",
"oline;": "‾",
"Omacr;": "Ō",
"omacr;": "ō",
"Omega;": "Ω",
"omega;": "ω",
"operp;": "⦹",
"oplus;": "⊕",
"orarr;": "↻",
"order;": "ℴ",
Oslash: "Ø",
oslash: "ø",
Otilde: "Õ",
otilde: "õ",
"ovbar;": "⌽",
"parsl;": "⫽",
"phone;": "☎",
"plusb;": "⊞",
"pluse;": "⩲",
plusmn: "±",
"pound;": "£",
"prcue;": "≼",
"Prime;": "″",
"prime;": "′",
"prnap;": "⪹",
"prsim;": "≾",
"quest;": "?",
"rAarr;": "⇛",
"radic;": "√",
"rangd;": "⦒",
"range;": "⦥",
"raquo;": "»",
"rarrb;": "⇥",
"rarrc;": "⤳",
"rarrw;": "↝",
"ratio;": "∶",
"RBarr;": "⤐",
"rBarr;": "⤏",
"rbarr;": "⤍",
"rbbrk;": "❳",
"rbrke;": "⦌",
"rceil;": "⌉",
"rdquo;": "”",
"reals;": "ℝ",
"rhard;": "⇁",
"rharu;": "⇀",
"rlarr;": "⇄",
"rlhar;": "⇌",
"rnmid;": "⫮",
"roang;": "⟭",
"roarr;": "⇾",
"robrk;": "⟧",
"ropar;": "⦆",
"rrarr;": "⇉",
"rsquo;": "’",
"rtrie;": "⊵",
"rtrif;": "▸",
"sbquo;": "‚",
"sccue;": "≽",
"Scirc;": "Ŝ",
"scirc;": "ŝ",
"scnap;": "⪺",
"scsim;": "≿",
"sdotb;": "⊡",
"sdote;": "⩦",
"seArr;": "⇘",
"searr;": "↘",
"setmn;": "∖",
"sharp;": "♯",
"Sigma;": "Σ",
"sigma;": "σ",
"simeq;": "≃",
"simgE;": "⪠",
"simlE;": "⪟",
"simne;": "≆",
"slarr;": "←",
"smile;": "⌣",
"smtes;": "⪬︀",
"sqcap;": "⊓",
"sqcup;": "⊔",
"sqsub;": "⊏",
"sqsup;": "⊐",
"srarr;": "→",
"starf;": "★",
"strns;": "¯",
"subnE;": "⫋",
"subne;": "⊊",
"supnE;": "⫌",
"supne;": "⊋",
"swArr;": "⇙",
"swarr;": "↙",
"szlig;": "ß",
"Theta;": "Θ",
"theta;": "θ",
"thkap;": "≈",
"THORN;": "Þ",
"thorn;": "þ",
"Tilde;": "∼",
"tilde;": "˜",
"times;": "×",
"TRADE;": "™",
"trade;": "™",
"trisb;": "⧍",
"TSHcy;": "Ћ",
"tshcy;": "ћ",
"twixt;": "≬",
Uacute: "Ú",
uacute: "ú",
"Ubrcy;": "Ў",
"ubrcy;": "ў",
"Ucirc;": "Û",
"ucirc;": "û",
"udarr;": "⇅",
"udhar;": "⥮",
Ugrave: "Ù",
ugrave: "ù",
"uharl;": "↿",
"uharr;": "↾",
"uhblk;": "▀",
"ultri;": "◸",
"Umacr;": "Ū",
"umacr;": "ū",
"Union;": "⋃",
"Uogon;": "Ų",
"uogon;": "ų",
"uplus;": "⊎",
"upsih;": "ϒ",
"UpTee;": "⊥",
"Uring;": "Ů",
"uring;": "ů",
"urtri;": "◹",
"utdot;": "⋰",
"utrif;": "▴",
"uuarr;": "⇈",
"varpi;": "ϖ",
"vBarv;": "⫩",
"VDash;": "⊫",
"Vdash;": "⊩",
"vDash;": "⊨",
"vdash;": "⊢",
"veeeq;": "≚",
"vltri;": "⊲",
"vnsub;": "⊂⃒",
"vnsup;": "⊃⃒",
"vprop;": "∝",
"vrtri;": "⊳",
"Wcirc;": "Ŵ",
"wcirc;": "ŵ",
"Wedge;": "⋀",
"wedge;": "∧",
"xcirc;": "◯",
"xdtri;": "▽",
"xhArr;": "⟺",
"xharr;": "⟷",
"xlArr;": "⟸",
"xlarr;": "⟵",
"xodot;": "⨀",
"xrArr;": "⟹",
"xrarr;": "⟶",
"xutri;": "△",
Yacute: "Ý",
yacute: "ý",
"Ycirc;": "Ŷ",
"ycirc;": "ŷ",
"Aacute;": "Á",
"aacute;": "á",
"Abreve;": "Ă",
"abreve;": "ă",
"Agrave;": "À",
"agrave;": "à",
"andand;": "⩕",
"angmsd;": "∡",
"angsph;": "∢",
"apacir;": "⩯",
"approx;": "≈",
"Assign;": "≔",
"Atilde;": "Ã",
"atilde;": "ã",
"barvee;": "⊽",
"Barwed;": "⌆",
"barwed;": "⌅",
"becaus;": "∵",
"bernou;": "ℬ",
"bigcap;": "⋂",
"bigcup;": "⋃",
"bigvee;": "⋁",
"bkarow;": "⤍",
"bottom;": "⊥",
"bowtie;": "⋈",
"boxbox;": "⧉",
"bprime;": "‵",
"brvbar;": "¦",
"bullet;": "•",
"Bumpeq;": "≎",
"bumpeq;": "≏",
"Cacute;": "Ć",
"cacute;": "ć",
"capand;": "⩄",
"capcap;": "⩋",
"capcup;": "⩇",
"capdot;": "⩀",
"Ccaron;": "Č",
"ccaron;": "č",
"Ccedil;": "Ç",
"ccedil;": "ç",
"circeq;": "≗",
"cirmid;": "⫯",
"Colone;": "⩴",
"colone;": "≔",
"commat;": "@",
"compfn;": "∘",
"Conint;": "∯",
"conint;": "∮",
"coprod;": "∐",
"copysr;": "℗",
"cularr;": "↶",
"CupCap;": "≍",
"cupcap;": "⩆",
"cupcup;": "⩊",
"cupdot;": "⊍",
"curarr;": "↷",
"curren;": "¤",
"cylcty;": "⌭",
"Dagger;": "‡",
"dagger;": "†",
"daleth;": "ℸ",
"Dcaron;": "Ď",
"dcaron;": "ď",
"dfisht;": "⥿",
"divide;": "÷",
"divonx;": "⋇",
"dlcorn;": "⌞",
"dlcrop;": "⌍",
"dollar;": "$",
"DotDot;": "⃜",
"drcorn;": "⌟",
"drcrop;": "⌌",
"Dstrok;": "Đ",
"dstrok;": "đ",
"Eacute;": "É",
"eacute;": "é",
"easter;": "⩮",
"Ecaron;": "Ě",
"ecaron;": "ě",
"ecolon;": "≕",
"Egrave;": "È",
"egrave;": "è",
"egsdot;": "⪘",
"elsdot;": "⪗",
"emptyv;": "∅",
"emsp13;": " ",
"emsp14;": " ",
"eparsl;": "⧣",
"eqcirc;": "≖",
"equals;": "=",
"equest;": "≟",
"Exists;": "∃",
"female;": "♀",
"ffilig;": "ffi",
"ffllig;": "ffl",
"ForAll;": "∀",
"forall;": "∀",
"frac12;": "½",
"frac13;": "⅓",
"frac14;": "¼",
"frac15;": "⅕",
"frac16;": "⅙",
"frac18;": "⅛",
"frac23;": "⅔",
"frac25;": "⅖",
"frac34;": "¾",
"frac35;": "⅗",
"frac38;": "⅜",
"frac45;": "⅘",
"frac56;": "⅚",
"frac58;": "⅝",
"frac78;": "⅞",
"gacute;": "ǵ",
"Gammad;": "Ϝ",
"gammad;": "ϝ",
"Gbreve;": "Ğ",
"gbreve;": "ğ",
"Gcedil;": "Ģ",
"gesdot;": "⪀",
"gesles;": "⪔",
"gtlPar;": "⦕",
"gtrarr;": "⥸",
"gtrdot;": "⋗",
"gtrsim;": "≳",
"hairsp;": " ",
"hamilt;": "ℋ",
"HARDcy;": "Ъ",
"hardcy;": "ъ",
"hearts;": "♥",
"hellip;": "…",
"hercon;": "⊹",
"homtht;": "∻",
"horbar;": "―",
"hslash;": "ℏ",
"Hstrok;": "Ħ",
"hstrok;": "ħ",
"hybull;": "⁃",
"hyphen;": "‐",
"Iacute;": "Í",
"iacute;": "í",
"Igrave;": "Ì",
"igrave;": "ì",
"iiiint;": "⨌",
"iinfin;": "⧜",
"incare;": "℅",
"inodot;": "ı",
"intcal;": "⊺",
"iquest;": "¿",
"isinsv;": "⋳",
"Itilde;": "Ĩ",
"itilde;": "ĩ",
"Jsercy;": "Ј",
"jsercy;": "ј",
"kappav;": "ϰ",
"Kcedil;": "Ķ",
"kcedil;": "ķ",
"kgreen;": "ĸ",
"Lacute;": "Ĺ",
"lacute;": "ĺ",
"lagran;": "ℒ",
"Lambda;": "Λ",
"lambda;": "λ",
"langle;": "⟨",
"larrfs;": "⤝",
"larrhk;": "↩",
"larrlp;": "↫",
"larrpl;": "⤹",
"larrtl;": "↢",
"lAtail;": "⤛",
"latail;": "⤙",
"lbrace;": "{",
"lbrack;": "[",
"Lcaron;": "Ľ",
"lcaron;": "ľ",
"Lcedil;": "Ļ",
"lcedil;": "ļ",
"ldquor;": "„",
"lesdot;": "⩿",
"lesges;": "⪓",
"lfisht;": "⥼",
"lfloor;": "⌊",
"lharul;": "⥪",
"llhard;": "⥫",
"Lmidot;": "Ŀ",
"lmidot;": "ŀ",
"lmoust;": "⎰",
"loplus;": "⨭",
"lowast;": "∗",
"lowbar;": "_",
"lparlt;": "⦓",
"lrhard;": "⥭",
"lsaquo;": "‹",
"lsquor;": "‚",
"Lstrok;": "Ł",
"lstrok;": "ł",
"lthree;": "⋋",
"ltimes;": "⋉",
"ltlarr;": "⥶",
"ltrPar;": "⦖",
"mapsto;": "↦",
"marker;": "▮",
"mcomma;": "⨩",
"midast;": "*",
"midcir;": "⫰",
"middot;": "·",
"minusb;": "⊟",
"minusd;": "∸",
"mnplus;": "∓",
"models;": "⊧",
"mstpos;": "∾",
"Nacute;": "Ń",
"nacute;": "ń",
"nbumpe;": "≏̸",
"Ncaron;": "Ň",
"ncaron;": "ň",
"Ncedil;": "Ņ",
"ncedil;": "ņ",
"nearhk;": "⤤",
"nequiv;": "≢",
"nesear;": "⤨",
"nexist;": "∄",
"nltrie;": "⋬",
"notinE;": "⋹̸",
"nparsl;": "⫽⃥",
"nprcue;": "⋠",
"nrarrc;": "⤳̸",
"nrarrw;": "↝̸",
"nrtrie;": "⋭",
"nsccue;": "⋡",
"nsimeq;": "≄",
"Ntilde;": "Ñ",
"ntilde;": "ñ",
"numero;": "№",
"nVDash;": "⊯",
"nVdash;": "⊮",
"nvDash;": "⊭",
"nvdash;": "⊬",
"nvHarr;": "⤄",
"nvlArr;": "⤂",
"nvrArr;": "⤃",
"nwarhk;": "⤣",
"nwnear;": "⤧",
"Oacute;": "Ó",
"oacute;": "ó",
"Odblac;": "Ő",
"odblac;": "ő",
"odsold;": "⦼",
"Ograve;": "Ò",
"ograve;": "ò",
"ominus;": "⊖",
"origof;": "⊶",
"Oslash;": "Ø",
"oslash;": "ø",
"Otilde;": "Õ",
"otilde;": "õ",
"Otimes;": "⨷",
"otimes;": "⊗",
"parsim;": "⫳",
"percnt;": "%",
"period;": ".",
"permil;": "‰",
"phmmat;": "ℳ",
"planck;": "ℏ",
"plankv;": "ℏ",
"plusdo;": "∔",
"plusdu;": "⨥",
"plusmn;": "±",
"preceq;": "⪯",
"primes;": "ℙ",
"prnsim;": "⋨",
"propto;": "∝",
"prurel;": "⊰",
"puncsp;": " ",
"qprime;": "⁗",
"Racute;": "Ŕ",
"racute;": "ŕ",
"rangle;": "⟩",
"rarrap;": "⥵",
"rarrfs;": "⤞",
"rarrhk;": "↪",
"rarrlp;": "↬",
"rarrpl;": "⥅",
"Rarrtl;": "⤖",
"rarrtl;": "↣",
"rAtail;": "⤜",
"ratail;": "⤚",
"rbrace;": "}",
"rbrack;": "]",
"Rcaron;": "Ř",
"rcaron;": "ř",
"Rcedil;": "Ŗ",
"rcedil;": "ŗ",
"rdquor;": "”",
"rfisht;": "⥽",
"rfloor;": "⌋",
"rharul;": "⥬",
"rmoust;": "⎱",
"roplus;": "⨮",
"rpargt;": "⦔",
"rsaquo;": "›",
"rsquor;": "’",
"rthree;": "⋌",
"rtimes;": "⋊",
"Sacute;": "Ś",
"sacute;": "ś",
"Scaron;": "Š",
"scaron;": "š",
"Scedil;": "Ş",
"scedil;": "ş",
"scnsim;": "⋩",
"searhk;": "⤥",
"seswar;": "⤩",
"sfrown;": "⌢",
"SHCHcy;": "Щ",
"shchcy;": "щ",
"sigmaf;": "ς",
"sigmav;": "ς",
"simdot;": "⩪",
"smashp;": "⨳",
"SOFTcy;": "Ь",
"softcy;": "ь",
"solbar;": "⌿",
"spades;": "♠",
"sqcaps;": "⊓︀",
"sqcups;": "⊔︀",
"sqsube;": "⊑",
"sqsupe;": "⊒",
"Square;": "□",
"square;": "□",
"squarf;": "▪",
"ssetmn;": "∖",
"ssmile;": "⌣",
"sstarf;": "⋆",
"subdot;": "⪽",
"Subset;": "⋐",
"subset;": "⊂",
"subsim;": "⫇",
"subsub;": "⫕",
"subsup;": "⫓",
"succeq;": "⪰",
"supdot;": "⪾",
"Supset;": "⋑",
"supset;": "⊃",
"supsim;": "⫈",
"supsub;": "⫔",
"supsup;": "⫖",
"swarhk;": "⤦",
"swnwar;": "⤪",
"target;": "⌖",
"Tcaron;": "Ť",
"tcaron;": "ť",
"Tcedil;": "Ţ",
"tcedil;": "ţ",
"telrec;": "⌕",
"there4;": "∴",
"thetav;": "ϑ",
"thinsp;": " ",
"thksim;": "∼",
"timesb;": "⊠",
"timesd;": "⨰",
"topbot;": "⌶",
"topcir;": "⫱",
"tprime;": "‴",
"tridot;": "◬",
"Tstrok;": "Ŧ",
"tstrok;": "ŧ",
"Uacute;": "Ú",
"uacute;": "ú",
"Ubreve;": "Ŭ",
"ubreve;": "ŭ",
"Udblac;": "Ű",
"udblac;": "ű",
"ufisht;": "⥾",
"Ugrave;": "Ù",
"ugrave;": "ù",
"ulcorn;": "⌜",
"ulcrop;": "⌏",
"urcorn;": "⌝",
"urcrop;": "⌎",
"Utilde;": "Ũ",
"utilde;": "ũ",
"vangrt;": "⦜",
"varphi;": "ϕ",
"varrho;": "ϱ",
"Vdashl;": "⫦",
"veebar;": "⊻",
"vellip;": "⋮",
"Verbar;": "‖",
"verbar;": "|",
"vsubnE;": "⫋︀",
"vsubne;": "⊊︀",
"vsupnE;": "⫌︀",
"vsupne;": "⊋︀",
"Vvdash;": "⊪",
"wedbar;": "⩟",
"wedgeq;": "≙",
"weierp;": "℘",
"wreath;": "≀",
"xoplus;": "⨁",
"xotime;": "⨂",
"xsqcup;": "⨆",
"xuplus;": "⨄",
"xwedge;": "⋀",
"Yacute;": "Ý",
"yacute;": "ý",
"Zacute;": "Ź",
"zacute;": "ź",
"Zcaron;": "Ž",
"zcaron;": "ž",
"zeetrf;": "ℨ",
"alefsym;": "ℵ",
"angrtvb;": "⊾",
"angzarr;": "⍼",
"asympeq;": "≍",
"backsim;": "∽",
"Because;": "∵",
"because;": "∵",
"bemptyv;": "⦰",
"between;": "≬",
"bigcirc;": "◯",
"bigodot;": "⨀",
"bigstar;": "★",
"bnequiv;": "≡⃥",
"boxplus;": "⊞",
"Cayleys;": "ℭ",
"Cconint;": "∰",
"ccupssm;": "⩐",
"Cedilla;": "¸",
"cemptyv;": "⦲",
"cirscir;": "⧂",
"coloneq;": "≔",
"congdot;": "⩭",
"cudarrl;": "⤸",
"cudarrr;": "⤵",
"cularrp;": "⤽",
"curarrm;": "⤼",
"dbkarow;": "⤏",
"ddagger;": "‡",
"ddotseq;": "⩷",
"demptyv;": "⦱",
"Diamond;": "⋄",
"diamond;": "⋄",
"digamma;": "ϝ",
"dotplus;": "∔",
"DownTee;": "⊤",
"dwangle;": "⦦",
"Element;": "∈",
"Epsilon;": "Ε",
"epsilon;": "ε",
"eqcolon;": "≕",
"equivDD;": "⩸",
"gesdoto;": "⪂",
"gtquest;": "⩼",
"gtrless;": "≷",
"harrcir;": "⥈",
"Implies;": "⇒",
"intprod;": "⨼",
"isindot;": "⋵",
"larrbfs;": "⤟",
"larrsim;": "⥳",
"lbrksld;": "⦏",
"lbrkslu;": "⦍",
"ldrdhar;": "⥧",
"LeftTee;": "⊣",
"lesdoto;": "⪁",
"lessdot;": "⋖",
"lessgtr;": "≶",
"lesssim;": "≲",
"lotimes;": "⨴",
"lozenge;": "◊",
"ltquest;": "⩻",
"luruhar;": "⥦",
"maltese;": "✠",
"minusdu;": "⨪",
"napprox;": "≉",
"natural;": "♮",
"nearrow;": "↗",
"NewLine;": "\n",
"nexists;": "∄",
"NoBreak;": "",
"notinva;": "∉",
"notinvb;": "⋷",
"notinvc;": "⋶",
"NotLess;": "≮",
"notniva;": "∌",
"notnivb;": "⋾",
"notnivc;": "⋽",
"npolint;": "⨔",
"npreceq;": "⪯̸",
"nsqsube;": "⋢",
"nsqsupe;": "⋣",
"nsubset;": "⊂⃒",
"nsucceq;": "⪰̸",
"nsupset;": "⊃⃒",
"nvinfin;": "⧞",
"nvltrie;": "⊴⃒",
"nvrtrie;": "⊵⃒",
"nwarrow;": "↖",
"olcross;": "⦻",
"Omicron;": "Ο",
"omicron;": "ο",
"orderof;": "ℴ",
"orslope;": "⩗",
"OverBar;": "‾",
"pertenk;": "‱",
"planckh;": "ℎ",
"pluscir;": "⨢",
"plussim;": "⨦",
"plustwo;": "⨧",
"precsim;": "≾",
"Product;": "∏",
"quatint;": "⨖",
"questeq;": "≟",
"rarrbfs;": "⤠",
"rarrsim;": "⥴",
"rbrksld;": "⦎",
"rbrkslu;": "⦐",
"rdldhar;": "⥩",
"realine;": "ℛ",
"rotimes;": "⨵",
"ruluhar;": "⥨",
"searrow;": "↘",
"simplus;": "⨤",
"simrarr;": "⥲",
"subedot;": "⫃",
"submult;": "⫁",
"subplus;": "⪿",
"subrarr;": "⥹",
"succsim;": "≿",
"supdsub;": "⫘",
"supedot;": "⫄",
"suphsol;": "⟉",
"suphsub;": "⫗",
"suplarr;": "⥻",
"supmult;": "⫂",
"supplus;": "⫀",
"swarrow;": "↙",
"topfork;": "⫚",
"triplus;": "⨹",
"tritime;": "⨻",
"UpArrow;": "↑",
"Uparrow;": "⇑",
"uparrow;": "↑",
"Upsilon;": "Υ",
"upsilon;": "υ",
"uwangle;": "⦧",
"vzigzag;": "⦚",
"zigrarr;": "⇝",
"andslope;": "⩘",
"angmsdaa;": "⦨",
"angmsdab;": "⦩",
"angmsdac;": "⦪",
"angmsdad;": "⦫",
"angmsdae;": "⦬",
"angmsdaf;": "⦭",
"angmsdag;": "⦮",
"angmsdah;": "⦯",
"angrtvbd;": "⦝",
"approxeq;": "≊",
"awconint;": "∳",
"backcong;": "≌",
"barwedge;": "⌅",
"bbrktbrk;": "⎶",
"bigoplus;": "⨁",
"bigsqcup;": "⨆",
"biguplus;": "⨄",
"bigwedge;": "⋀",
"boxminus;": "⊟",
"boxtimes;": "⊠",
"bsolhsub;": "⟈",
"capbrcup;": "⩉",
"circledR;": "®",
"circledS;": "Ⓢ",
"cirfnint;": "⨐",
"clubsuit;": "♣",
"cupbrcap;": "⩈",
"curlyvee;": "⋎",
"cwconint;": "∲",
"DDotrahd;": "⤑",
"doteqdot;": "≑",
"DotEqual;": "≐",
"dotminus;": "∸",
"drbkarow;": "⤐",
"dzigrarr;": "⟿",
"elinters;": "⏧",
"emptyset;": "∅",
"eqvparsl;": "⧥",
"fpartint;": "⨍",
"geqslant;": "⩾",
"gesdotol;": "⪄",
"gnapprox;": "⪊",
"hksearow;": "⤥",
"hkswarow;": "⤦",
"imagline;": "ℐ",
"imagpart;": "ℑ",
"infintie;": "⧝",
"integers;": "ℤ",
"Integral;": "∫",
"intercal;": "⊺",
"intlarhk;": "⨗",
"laemptyv;": "⦴",
"ldrushar;": "⥋",
"leqslant;": "⩽",
"lesdotor;": "⪃",
"LessLess;": "⪡",
"llcorner;": "⌞",
"lnapprox;": "⪉",
"lrcorner;": "⌟",
"lurdshar;": "⥊",
"mapstoup;": "↥",
"multimap;": "⊸",
"naturals;": "ℕ",
"ncongdot;": "⩭̸",
"NotEqual;": "≠",
"notindot;": "⋵̸",
"NotTilde;": "≁",
"otimesas;": "⨶",
"parallel;": "∥",
"PartialD;": "∂",
"plusacir;": "⨣",
"pointint;": "⨕",
"Precedes;": "≺",
"precneqq;": "⪵",
"precnsim;": "⋨",
"profalar;": "⌮",
"profline;": "⌒",
"profsurf;": "⌓",
"raemptyv;": "⦳",
"realpart;": "ℜ",
"RightTee;": "⊢",
"rppolint;": "⨒",
"rtriltri;": "⧎",
"scpolint;": "⨓",
"setminus;": "∖",
"shortmid;": "∣",
"smeparsl;": "⧤",
"sqsubset;": "⊏",
"sqsupset;": "⊐",
"subseteq;": "⊆",
"Succeeds;": "≻",
"succneqq;": "⪶",
"succnsim;": "⋩",
"SuchThat;": "∋",
"Superset;": "⊃",
"supseteq;": "⊇",
"thetasym;": "ϑ",
"thicksim;": "∼",
"timesbar;": "⨱",
"triangle;": "▵",
"triminus;": "⨺",
"trpezium;": "⏢",
"Uarrocir;": "⥉",
"ulcorner;": "⌜",
"UnderBar;": "_",
"urcorner;": "⌝",
"varkappa;": "ϰ",
"varsigma;": "ς",
"vartheta;": "ϑ",
"backprime;": "‵",
"backsimeq;": "⋍",
"Backslash;": "∖",
"bigotimes;": "⨂",
"CenterDot;": "·",
"centerdot;": "·",
"checkmark;": "✓",
"CircleDot;": "⊙",
"complexes;": "ℂ",
"Congruent;": "≡",
"Coproduct;": "∐",
"dotsquare;": "⊡",
"DoubleDot;": "¨",
"DownArrow;": "↓",
"Downarrow;": "⇓",
"downarrow;": "↓",
"DownBreve;": "̑",
"gtrapprox;": "⪆",
"gtreqless;": "⋛",
"gvertneqq;": "≩︀",
"heartsuit;": "♥",
"HumpEqual;": "≏",
"LeftArrow;": "←",
"Leftarrow;": "⇐",
"leftarrow;": "←",
"LeftFloor;": "⌊",
"lesseqgtr;": "⋚",
"LessTilde;": "≲",
"lvertneqq;": "≨︀",
"Mellintrf;": "ℳ",
"MinusPlus;": "∓",
"ngeqslant;": "⩾̸",
"nleqslant;": "⩽̸",
"NotCupCap;": "≭",
"NotExists;": "∄",
"NotSubset;": "⊂⃒",
"nparallel;": "∦",
"nshortmid;": "∤",
"nsubseteq;": "⊈",
"nsupseteq;": "⊉",
"OverBrace;": "⏞",
"pitchfork;": "⋔",
"PlusMinus;": "±",
"rationals;": "ℚ",
"spadesuit;": "♠",
"subseteqq;": "⫅",
"subsetneq;": "⊊",
"supseteqq;": "⫆",
"supsetneq;": "⊋",
"Therefore;": "∴",
"therefore;": "∴",
"ThinSpace;": " ",
"triangleq;": "≜",
"TripleDot;": "⃛",
"UnionPlus;": "⊎",
"varpropto;": "∝",
"Bernoullis;": "ℬ",
"circledast;": "⊛",
"CirclePlus;": "⊕",
"complement;": "∁",
"curlywedge;": "⋏",
"eqslantgtr;": "⪖",
"EqualTilde;": "≂",
"Fouriertrf;": "ℱ",
"gtreqqless;": "⪌",
"ImaginaryI;": "ⅈ",
"Laplacetrf;": "ℒ",
"LeftVector;": "↼",
"lessapprox;": "⪅",
"lesseqqgtr;": "⪋",
"Lleftarrow;": "⇚",
"lmoustache;": "⎰",
"longmapsto;": "⟼",
"mapstodown;": "↧",
"mapstoleft;": "↤",
"nLeftarrow;": "⇍",
"nleftarrow;": "↚",
"NotElement;": "∉",
"NotGreater;": "≯",
"nsubseteqq;": "⫅̸",
"nsupseteqq;": "⫆̸",
"precapprox;": "⪷",
"Proportion;": "∷",
"RightArrow;": "→",
"Rightarrow;": "⇒",
"rightarrow;": "→",
"RightFloor;": "⌋",
"rmoustache;": "⎱",
"sqsubseteq;": "⊑",
"sqsupseteq;": "⊒",
"subsetneqq;": "⫋",
"succapprox;": "⪸",
"supsetneqq;": "⫌",
"ThickSpace;": " ",
"TildeEqual;": "≃",
"TildeTilde;": "≈",
"UnderBrace;": "⏟",
"UpArrowBar;": "⤒",
"UpTeeArrow;": "↥",
"upuparrows;": "⇈",
"varepsilon;": "ϵ",
"varnothing;": "∅",
"backepsilon;": "϶",
"blacksquare;": "▪",
"circledcirc;": "⊚",
"circleddash;": "⊝",
"CircleMinus;": "⊖",
"CircleTimes;": "⊗",
"curlyeqprec;": "⋞",
"curlyeqsucc;": "⋟",
"diamondsuit;": "♦",
"eqslantless;": "⪕",
"Equilibrium;": "⇌",
"expectation;": "ℰ",
"GreaterLess;": "≷",
"LeftCeiling;": "⌈",
"LessGreater;": "≶",
"MediumSpace;": " ",
"NotLessLess;": "≪̸",
"NotPrecedes;": "⊀",
"NotSucceeds;": "⊁",
"NotSuperset;": "⊃⃒",
"nRightarrow;": "⇏",
"nrightarrow;": "↛",
"OverBracket;": "⎴",
"preccurlyeq;": "≼",
"precnapprox;": "⪹",
"quaternions;": "ℍ",
"RightVector;": "⇀",
"Rrightarrow;": "⇛",
"RuleDelayed;": "⧴",
"SmallCircle;": "∘",
"SquareUnion;": "⊔",
"straightphi;": "ϕ",
"SubsetEqual;": "⊆",
"succcurlyeq;": "≽",
"succnapprox;": "⪺",
"thickapprox;": "≈",
"UpDownArrow;": "↕",
"Updownarrow;": "⇕",
"updownarrow;": "↕",
"VerticalBar;": "∣",
"blacklozenge;": "⧫",
"DownArrowBar;": "⤓",
"DownTeeArrow;": "↧",
"ExponentialE;": "ⅇ",
"exponentiale;": "ⅇ",
"GreaterEqual;": "≥",
"GreaterTilde;": "≳",
"HilbertSpace;": "ℋ",
"HumpDownHump;": "≎",
"Intersection;": "⋂",
"LeftArrowBar;": "⇤",
"LeftTeeArrow;": "↤",
"LeftTriangle;": "⊲",
"LeftUpVector;": "↿",
"NotCongruent;": "≢",
"NotHumpEqual;": "≏̸",
"NotLessEqual;": "≰",
"NotLessTilde;": "≴",
"Proportional;": "∝",
"RightCeiling;": "⌉",
"risingdotseq;": "≓",
"RoundImplies;": "⥰",
"ShortUpArrow;": "↑",
"SquareSubset;": "⊏",
"triangledown;": "▿",
"triangleleft;": "◃",
"UnderBracket;": "⎵",
"varsubsetneq;": "⊊︀",
"varsupsetneq;": "⊋︀",
"VerticalLine;": "|",
"ApplyFunction;": "",
"bigtriangleup;": "△",
"blacktriangle;": "▴",
"DifferentialD;": "ⅆ",
"divideontimes;": "⋇",
"DoubleLeftTee;": "⫤",
"DoubleUpArrow;": "⇑",
"fallingdotseq;": "≒",
"hookleftarrow;": "↩",
"leftarrowtail;": "↢",
"leftharpoonup;": "↼",
"LeftTeeVector;": "⥚",
"LeftVectorBar;": "⥒",
"LessFullEqual;": "≦",
"LongLeftArrow;": "⟵",
"Longleftarrow;": "⟸",
"longleftarrow;": "⟵",
"looparrowleft;": "↫",
"measuredangle;": "∡",
"NotEqualTilde;": "≂̸",
"NotTildeEqual;": "≄",
"NotTildeTilde;": "≉",
"ntriangleleft;": "⋪",
"Poincareplane;": "ℌ",
"PrecedesEqual;": "⪯",
"PrecedesTilde;": "≾",
"RightArrowBar;": "⇥",
"RightTeeArrow;": "↦",
"RightTriangle;": "⊳",
"RightUpVector;": "↾",
"shortparallel;": "∥",
"smallsetminus;": "∖",
"SucceedsEqual;": "⪰",
"SucceedsTilde;": "≿",
"SupersetEqual;": "⊇",
"triangleright;": "▹",
"UpEquilibrium;": "⥮",
"upharpoonleft;": "↿",
"varsubsetneqq;": "⫋︀",
"varsupsetneqq;": "⫌︀",
"VerticalTilde;": "≀",
"VeryThinSpace;": " ",
"curvearrowleft;": "↶",
"DiacriticalDot;": "˙",
"doublebarwedge;": "⌆",
"DoubleRightTee;": "⊨",
"downdownarrows;": "⇊",
"DownLeftVector;": "↽",
"GreaterGreater;": "⪢",
"hookrightarrow;": "↪",
"HorizontalLine;": "─",
"InvisibleComma;": "",
"InvisibleTimes;": "",
"LeftDownVector;": "⇃",
"leftleftarrows;": "⇇",
"LeftRightArrow;": "↔",
"Leftrightarrow;": "⇔",
"leftrightarrow;": "↔",
"leftthreetimes;": "⋋",
"LessSlantEqual;": "⩽",
"LongRightArrow;": "⟶",
"Longrightarrow;": "⟹",
"longrightarrow;": "⟶",
"looparrowright;": "↬",
"LowerLeftArrow;": "↙",
"NestedLessLess;": "≪",
"NotGreaterLess;": "≹",
"NotLessGreater;": "≸",
"NotSubsetEqual;": "⊈",
"NotVerticalBar;": "∤",
"nshortparallel;": "∦",
"ntriangleright;": "⋫",
"OpenCurlyQuote;": "‘",
"ReverseElement;": "∋",
"rightarrowtail;": "↣",
"rightharpoonup;": "⇀",
"RightTeeVector;": "⥛",
"RightVectorBar;": "⥓",
"ShortDownArrow;": "↓",
"ShortLeftArrow;": "←",
"SquareSuperset;": "⊐",
"TildeFullEqual;": "≅",
"trianglelefteq;": "⊴",
"upharpoonright;": "↾",
"UpperLeftArrow;": "↖",
"ZeroWidthSpace;": "",
"bigtriangledown;": "▽",
"circlearrowleft;": "↺",
"CloseCurlyQuote;": "’",
"ContourIntegral;": "∮",
"curvearrowright;": "↷",
"DoubleDownArrow;": "⇓",
"DoubleLeftArrow;": "⇐",
"downharpoonleft;": "⇃",
"DownRightVector;": "⇁",
"leftharpoondown;": "↽",
"leftrightarrows;": "⇆",
"LeftRightVector;": "⥎",
"LeftTriangleBar;": "⧏",
"LeftUpTeeVector;": "⥠",
"LeftUpVectorBar;": "⥘",
"LowerRightArrow;": "↘",
"nLeftrightarrow;": "⇎",
"nleftrightarrow;": "↮",
"NotGreaterEqual;": "≱",
"NotGreaterTilde;": "≵",
"NotHumpDownHump;": "≎̸",
"NotLeftTriangle;": "⋪",
"NotSquareSubset;": "⊏̸",
"ntrianglelefteq;": "⋬",
"OverParenthesis;": "⏜",
"RightDownVector;": "⇂",
"rightleftarrows;": "⇄",
"rightsquigarrow;": "↝",
"rightthreetimes;": "⋌",
"ShortRightArrow;": "→",
"straightepsilon;": "ϵ",
"trianglerighteq;": "⊵",
"UpperRightArrow;": "↗",
"vartriangleleft;": "⊲",
"circlearrowright;": "↻",
"DiacriticalAcute;": "´",
"DiacriticalGrave;": "`",
"DiacriticalTilde;": "˜",
"DoubleRightArrow;": "⇒",
"DownArrowUpArrow;": "⇵",
"downharpoonright;": "⇂",
"EmptySmallSquare;": "◻",
"GreaterEqualLess;": "⋛",
"GreaterFullEqual;": "≧",
"LeftAngleBracket;": "⟨",
"LeftUpDownVector;": "⥑",
"LessEqualGreater;": "⋚",
"NonBreakingSpace;": " ",
"NotPrecedesEqual;": "⪯̸",
"NotRightTriangle;": "⋫",
"NotSucceedsEqual;": "⪰̸",
"NotSucceedsTilde;": "≿̸",
"NotSupersetEqual;": "⊉",
"ntrianglerighteq;": "⋭",
"rightharpoondown;": "⇁",
"rightrightarrows;": "⇉",
"RightTriangleBar;": "⧐",
"RightUpTeeVector;": "⥜",
"RightUpVectorBar;": "⥔",
"twoheadleftarrow;": "↞",
"UnderParenthesis;": "⏝",
"UpArrowDownArrow;": "⇅",
"vartriangleright;": "⊳",
"blacktriangledown;": "▾",
"blacktriangleleft;": "◂",
"DoubleUpDownArrow;": "⇕",
"DoubleVerticalBar;": "∥",
"DownLeftTeeVector;": "⥞",
"DownLeftVectorBar;": "⥖",
"FilledSmallSquare;": "◼",
"GreaterSlantEqual;": "⩾",
"LeftDoubleBracket;": "⟦",
"LeftDownTeeVector;": "⥡",
"LeftDownVectorBar;": "⥙",
"leftrightharpoons;": "⇋",
"LeftTriangleEqual;": "⊴",
"NegativeThinSpace;": "",
"NotGreaterGreater;": "≫̸",
"NotLessSlantEqual;": "⩽̸",
"NotNestedLessLess;": "⪡̸",
"NotReverseElement;": "∌",
"NotSquareSuperset;": "⊐̸",
"NotTildeFullEqual;": "≇",
"RightAngleBracket;": "⟩",
"rightleftharpoons;": "⇌",
"RightUpDownVector;": "⥏",
"SquareSubsetEqual;": "⊑",
"twoheadrightarrow;": "↠",
"VerticalSeparator;": "❘",
"blacktriangleright;": "▸",
"DownRightTeeVector;": "⥟",
"DownRightVectorBar;": "⥗",
"LongLeftRightArrow;": "⟷",
"Longleftrightarrow;": "⟺",
"longleftrightarrow;": "⟷",
"NegativeThickSpace;": "",
"NotLeftTriangleBar;": "⧏̸",
"PrecedesSlantEqual;": "≼",
"ReverseEquilibrium;": "⇋",
"RightDoubleBracket;": "⟧",
"RightDownTeeVector;": "⥝",
"RightDownVectorBar;": "⥕",
"RightTriangleEqual;": "⊵",
"SquareIntersection;": "⊓",
"SucceedsSlantEqual;": "≽",
"DoubleLongLeftArrow;": "⟸",
"DownLeftRightVector;": "⥐",
"LeftArrowRightArrow;": "⇆",
"leftrightsquigarrow;": "↭",
"NegativeMediumSpace;": "",
"NotGreaterFullEqual;": "≧̸",
"NotRightTriangleBar;": "⧐̸",
"RightArrowLeftArrow;": "⇄",
"SquareSupersetEqual;": "⊒",
"CapitalDifferentialD;": "ⅅ",
"DoubleLeftRightArrow;": "⇔",
"DoubleLongRightArrow;": "⟹",
"EmptyVerySmallSquare;": "▫",
"NestedGreaterGreater;": "≫",
"NotDoubleVerticalBar;": "∦",
"NotGreaterSlantEqual;": "⩾̸",
"NotLeftTriangleEqual;": "⋬",
"NotSquareSubsetEqual;": "⋢",
"OpenCurlyDoubleQuote;": "“",
"ReverseUpEquilibrium;": "⥯",
"CloseCurlyDoubleQuote;": "”",
"DoubleContourIntegral;": "∯",
"FilledVerySmallSquare;": "▪",
"NegativeVeryThinSpace;": "",
"NotPrecedesSlantEqual;": "⋠",
"NotRightTriangleEqual;": "⋭",
"NotSucceedsSlantEqual;": "⋡",
"DiacriticalDoubleAcute;": "˝",
"NotSquareSupersetEqual;": "⋣",
"NotNestedGreaterGreater;": "⪢̸",
"ClockwiseContourIntegral;": "∲",
"DoubleLongLeftRightArrow;": "⟺",
"CounterClockwiseContourIntegral;": "∳"
};
// lazy compute this to make this file tree-shakable for browser
let maxCRNameLength;
const decodeHtml = (rawText, asAttr) => {
let offset = 0;
const end = rawText.length;
let decodedText = '';
function advance(length) {
offset += length;
rawText = rawText.slice(length);
}
while (offset < end) {
const head = /&(?:#x?)?/i.exec(rawText);
if (!head || offset + head.index >= end) {
const remaining = end - offset;
decodedText += rawText.slice(0, remaining);
advance(remaining);
break;
}
// Advance to the "&".
decodedText += rawText.slice(0, head.index);
advance(head.index);
if (head[0] === '&') {
// Named character reference.
let name = '';
let value = undefined;
if (/[0-9a-z]/i.test(rawText[1])) {
if (!maxCRNameLength) {
maxCRNameLength = Object.keys(namedCharacterReferences).reduce((max, name) => Math.max(max, name.length), 0);
}
for (let length = maxCRNameLength; !value && length > 0; --length) {
name = rawText.slice(1, 1 + length);
value = namedCharacterReferences[name];
}
if (value) {
const semi = name.endsWith(';');
if (asAttr &&
!semi &&
/[=a-z0-9]/i.test(rawText[name.length + 1] || '')) {
decodedText += '&' + name;
advance(1 + name.length);
}
else {
decodedText += value;
advance(1 + name.length);
}
}
else {
decodedText += '&' + name;
advance(1 + name.length);
}
}
else {
decodedText += '&';
advance(1);
}
}
else {
// Numeric character reference.
const hex = head[0] === '&#x';
const pattern = hex ? /^&#x([0-9a-f]+);?/i : /^&#([0-9]+);?/;
const body = pattern.exec(rawText);
if (!body) {
decodedText += head[0];
advance(head[0].length);
}
else {
// https://html.spec.whatwg.org/multipage/parsing.html#numeric-character-reference-end-state
let cp = Number.parseInt(body[1], hex ? 16 : 10);
if (cp === 0) {
cp = 0xfffd;
}
else if (cp > 0x10ffff) {
cp = 0xfffd;
}
else if (cp >= 0xd800 && cp <= 0xdfff) {
cp = 0xfffd;
}
else if ((cp >= 0xfdd0 && cp <= 0xfdef) || (cp & 0xfffe) === 0xfffe) ;
else if ((cp >= 0x01 && cp <= 0x08) ||
cp === 0x0b ||
(cp >= 0x0d && cp <= 0x1f) ||
(cp >= 0x7f && cp <= 0x9f)) {
cp = CCR_REPLACEMENTS[cp] || cp;
}
decodedText += String.fromCodePoint(cp);
advance(body[0].length);
}
}
}
return decodedText;
};
// https://html.spec.whatwg.org/multipage/parsing.html#numeric-character-reference-end-state
const CCR_REPLACEMENTS = {
0x80: 0x20ac,
0x82: 0x201a,
0x83: 0x0192,
0x84: 0x201e,
0x85: 0x2026,
0x86: 0x2020,
0x87: 0x2021,
0x88: 0x02c6,
0x89: 0x2030,
0x8a: 0x0160,
0x8b: 0x2039,
0x8c: 0x0152,
0x8e: 0x017d,
0x91: 0x2018,
0x92: 0x2019,
0x93: 0x201c,
0x94: 0x201d,
0x95: 0x2022,
0x96: 0x2013,
0x97: 0x2014,
0x98: 0x02dc,
0x99: 0x2122,
0x9a: 0x0161,
0x9b: 0x203a,
0x9c: 0x0153,
0x9e: 0x017e,
0x9f: 0x0178
};
const isRawTextContainer = /*#__PURE__*/ shared.makeMap('style,iframe,script,noscript', true);
const parserOptions = {
isVoidTag: shared.isVoidTag,
isNativeTag: tag => shared.isHTMLTag(tag) || shared.isSVGTag(tag),
isPreTag: tag => tag === 'pre',
decodeEntities: decodeHtml,
isBuiltInComponent: (tag) => {
if (compilerCore.isBuiltInType(tag, `Transition`)) {
return TRANSITION;
}
else if (compilerCore.isBuiltInType(tag, `TransitionGroup`)) {
return TRANSITION_GROUP;
}
},
// https://html.spec.whatwg.org/multipage/parsing.html#tree-construction-dispatcher
getNamespace(tag, parent) {
let ns = parent ? parent.ns : 0 /* HTML */;
if (parent && ns === 2 /* MATH_ML */) {
if (parent.tag === 'annotation-xml') {
if (tag === 'svg') {
return 1 /* SVG */;
}
if (parent.props.some(a => a.type === 6 /* ATTRIBUTE */ &&
a.name === 'encoding' &&
a.value != null &&
(a.value.content === 'text/html' ||
a.value.content === 'application/xhtml+xml'))) {
ns = 0 /* HTML */;
}
}
else if (/^m(?:[ions]|text)$/.test(parent.tag) &&
tag !== 'mglyph' &&
tag !== 'malignmark') {
ns = 0 /* HTML */;
}
}
else if (parent && ns === 1 /* SVG */) {
if (parent.tag === 'foreignObject' ||
parent.tag === 'desc' ||
parent.tag === 'title') {
ns = 0 /* HTML */;
}
}
if (ns === 0 /* HTML */) {
if (tag === 'svg') {
return 1 /* SVG */;
}
if (tag === 'math') {
return 2 /* MATH_ML */;
}
}
return ns;
},
// https://html.spec.whatwg.org/multipage/parsing.html#parsing-html-fragments
getTextMode({ tag, ns }) {
if (ns === 0 /* HTML */) {
if (tag === 'textarea' || tag === 'title') {
return 1 /* RCDATA */;
}
if (isRawTextContainer(tag)) {
return 2 /* RAWTEXT */;
}
}
return 0 /* DATA */;
}
};
// Parse inline CSS strings for static style attributes into an object.
// This is a NodeTransform since it works on the static `style` attribute and
// converts it into a dynamic equivalent:
// style="color: red" -> :style='{ "color": "red" }'
// It is then processed by `transformElement` and included in the generated
// props.
const transformStyle = node => {
if (node.type === 1 /* ELEMENT */) {
node.props.forEach((p, i) => {
if (p.type === 6 /* ATTRIBUTE */ && p.name === 'style' && p.value) {
// replace p with an expression node
node.props[i] = {
type: 7 /* DIRECTIVE */,
name: `bind`,
arg: compilerCore.createSimpleExpression(`style`, true, p.loc),
exp: parseInlineCSS(p.value.content, p.loc),
modifiers: [],
loc: p.loc
};
}
});
}
};
const parseInlineCSS = (cssText, loc) => {
const normalized = shared.parseStringStyle(cssText);
return compilerCore.createSimpleExpression(JSON.stringify(normalized), false, loc, 3 /* CAN_STRINGIFY */);
};
function createDOMCompilerError(code, loc) {
return compilerCore.createCompilerError(code, loc, DOMErrorMessages );
}
const DOMErrorMessages = {
[50 /* X_V_HTML_NO_EXPRESSION */]: `v-html is missing expression.`,
[51 /* X_V_HTML_WITH_CHILDREN */]: `v-html will override element children.`,
[52 /* X_V_TEXT_NO_EXPRESSION */]: `v-text is missing expression.`,
[53 /* X_V_TEXT_WITH_CHILDREN */]: `v-text will override element children.`,
[54 /* X_V_MODEL_ON_INVALID_ELEMENT */]: `v-model can only be used on <input>, <textarea> and <select> elements.`,
[55 /* X_V_MODEL_ARG_ON_ELEMENT */]: `v-model argument is not supported on plain elements.`,
[56 /* X_V_MODEL_ON_FILE_INPUT_ELEMENT */]: `v-model cannot be used on file inputs since they are read-only. Use a v-on:change listener instead.`,
[57 /* X_V_MODEL_UNNECESSARY_VALUE */]: `Unnecessary value binding used alongside v-model. It will interfere with v-model's behavior.`,
[58 /* X_V_SHOW_NO_EXPRESSION */]: `v-show is missing expression.`,
[59 /* X_TRANSITION_INVALID_CHILDREN */]: `<Transition> expects exactly one child element or component.`,
[60 /* X_IGNORED_SIDE_EFFECT_TAG */]: `Tags with side effect (<script> and <style>) are ignored in client component templates.`
};
const transformVHtml = (dir, node, context) => {
const { exp, loc } = dir;
if (!exp) {
context.onError(createDOMCompilerError(50 /* X_V_HTML_NO_EXPRESSION */, loc));
}
if (node.children.length) {
context.onError(createDOMCompilerError(51 /* X_V_HTML_WITH_CHILDREN */, loc));
node.children.length = 0;
}
return {
props: [
compilerCore.createObjectProperty(compilerCore.createSimpleExpression(`innerHTML`, true, loc), exp || compilerCore.createSimpleExpression('', true))
]
};
};
const transformVText = (dir, node, context) => {
const { exp, loc } = dir;
if (!exp) {
context.onError(createDOMCompilerError(52 /* X_V_TEXT_NO_EXPRESSION */, loc));
}
if (node.children.length) {
context.onError(createDOMCompilerError(53 /* X_V_TEXT_WITH_CHILDREN */, loc));
node.children.length = 0;
}
return {
props: [
compilerCore.createObjectProperty(compilerCore.createSimpleExpression(`textContent`, true), exp
? compilerCore.getConstantType(exp, context) > 0
? exp
: compilerCore.createCallExpression(context.helperString(compilerCore.TO_DISPLAY_STRING), [exp], loc)
: compilerCore.createSimpleExpression('', true))
]
};
};
const transformModel = (dir, node, context) => {
const baseResult = compilerCore.transformModel(dir, node, context);
// base transform has errors OR component v-model (only need props)
if (!baseResult.props.length || node.tagType === 1 /* COMPONENT */) {
return baseResult;
}
if (dir.arg) {
context.onError(createDOMCompilerError(55 /* X_V_MODEL_ARG_ON_ELEMENT */, dir.arg.loc));
}
function checkDuplicatedValue() {
const value = compilerCore.findProp(node, 'value');
if (value) {
context.onError(createDOMCompilerError(57 /* X_V_MODEL_UNNECESSARY_VALUE */, value.loc));
}
}
const { tag } = node;
const isCustomElement = context.isCustomElement(tag);
if (tag === 'input' ||
tag === 'textarea' ||
tag === 'select' ||
isCustomElement) {
let directiveToUse = V_MODEL_TEXT;
let isInvalidType = false;
if (tag === 'input' || isCustomElement) {
const type = compilerCore.findProp(node, `type`);
if (type) {
if (type.type === 7 /* DIRECTIVE */) {
// :type="foo"
directiveToUse = V_MODEL_DYNAMIC;
}
else if (type.value) {
switch (type.value.content) {
case 'radio':
directiveToUse = V_MODEL_RADIO;
break;
case 'checkbox':
directiveToUse = V_MODEL_CHECKBOX;
break;
case 'file':
isInvalidType = true;
context.onError(createDOMCompilerError(56 /* X_V_MODEL_ON_FILE_INPUT_ELEMENT */, dir.loc));
break;
default:
// text type
checkDuplicatedValue();
break;
}
}
}
else if (compilerCore.hasDynamicKeyVBind(node)) {
// element has bindings with dynamic keys, which can possibly contain
// "type".
directiveToUse = V_MODEL_DYNAMIC;
}
else {
// text type
checkDuplicatedValue();
}
}
else if (tag === 'select') {
directiveToUse = V_MODEL_SELECT;
}
else {
// textarea
checkDuplicatedValue();
}
// inject runtime directive
// by returning the helper symbol via needRuntime
// the import will replaced a resolveDirective call.
if (!isInvalidType) {
baseResult.needRuntime = context.helper(directiveToUse);
}
}
else {
context.onError(createDOMCompilerError(54 /* X_V_MODEL_ON_INVALID_ELEMENT */, dir.loc));
}
// native vmodel doesn't need the `modelValue` props since they are also
// passed to the runtime as `binding.value`. removing it reduces code size.
baseResult.props = baseResult.props.filter(p => !(p.key.type === 4 /* SIMPLE_EXPRESSION */ &&
p.key.content === 'modelValue'));
return baseResult;
};
const isEventOptionModifier = /*#__PURE__*/ shared.makeMap(`passive,once,capture`);
const isNonKeyModifier = /*#__PURE__*/ shared.makeMap(
// event propagation management
`stop,prevent,self,` +
// system modifiers + exact
`ctrl,shift,alt,meta,exact,` +
// mouse
`middle`);
// left & right could be mouse or key modifiers based on event type
const maybeKeyModifier = /*#__PURE__*/ shared.makeMap('left,right');
const isKeyboardEvent = /*#__PURE__*/ shared.makeMap(`onkeyup,onkeydown,onkeypress`, true);
const resolveModifiers = (key, modifiers, context, loc) => {
const keyModifiers = [];
const nonKeyModifiers = [];
const eventOptionModifiers = [];
for (let i = 0; i < modifiers.length; i++) {
const modifier = modifiers[i];
if (modifier === 'native' &&
compilerCore.checkCompatEnabled("COMPILER_V_ON_NATIVE" /* COMPILER_V_ON_NATIVE */, context, loc)) {
eventOptionModifiers.push(modifier);
}
else if (isEventOptionModifier(modifier)) {
// eventOptionModifiers: modifiers for addEventListener() options,
// e.g. .passive & .capture
eventOptionModifiers.push(modifier);
}
else {
// runtimeModifiers: modifiers that needs runtime guards
if (maybeKeyModifier(modifier)) {
if (compilerCore.isStaticExp(key)) {
if (isKeyboardEvent(key.content)) {
keyModifiers.push(modifier);
}
else {
nonKeyModifiers.push(modifier);
}
}
else {
keyModifiers.push(modifier);
nonKeyModifiers.push(modifier);
}
}
else {
if (isNonKeyModifier(modifier)) {
nonKeyModifiers.push(modifier);
}
else {
keyModifiers.push(modifier);
}
}
}
}
return {
keyModifiers,
nonKeyModifiers,
eventOptionModifiers
};
};
const transformClick = (key, event) => {
const isStaticClick = compilerCore.isStaticExp(key) && key.content.toLowerCase() === 'onclick';
return isStaticClick
? compilerCore.createSimpleExpression(event, true)
: key.type !== 4 /* SIMPLE_EXPRESSION */
? compilerCore.createCompoundExpression([
`(`,
key,
`) === "onClick" ? "${event}" : (`,
key,
`)`
])
: key;
};
const transformOn = (dir, node, context) => {
return compilerCore.transformOn(dir, node, context, baseResult => {
const { modifiers } = dir;
if (!modifiers.length)
return baseResult;
let { key, value: handlerExp } = baseResult.props[0];
const { keyModifiers, nonKeyModifiers, eventOptionModifiers } = resolveModifiers(key, modifiers, context, dir.loc);
// normalize click.right and click.middle since they don't actually fire
if (nonKeyModifiers.includes('right')) {
key = transformClick(key, `onContextmenu`);
}
if (nonKeyModifiers.includes('middle')) {
key = transformClick(key, `onMouseup`);
}
if (nonKeyModifiers.length) {
handlerExp = compilerCore.createCallExpression(context.helper(V_ON_WITH_MODIFIERS), [
handlerExp,
JSON.stringify(nonKeyModifiers)
]);
}
if (keyModifiers.length &&
// if event name is dynamic, always wrap with keys guard
(!compilerCore.isStaticExp(key) || isKeyboardEvent(key.content))) {
handlerExp = compilerCore.createCallExpression(context.helper(V_ON_WITH_KEYS), [
handlerExp,
JSON.stringify(keyModifiers)
]);
}
if (eventOptionModifiers.length) {
const modifierPostfix = eventOptionModifiers.map(shared.capitalize).join('');
key = compilerCore.isStaticExp(key)
? compilerCore.createSimpleExpression(`${key.content}${modifierPostfix}`, true)
: compilerCore.createCompoundExpression([`(`, key, `) + "${modifierPostfix}"`]);
}
return {
props: [compilerCore.createObjectProperty(key, handlerExp)]
};
});
};
const transformShow = (dir, node, context) => {
const { exp, loc } = dir;
if (!exp) {
context.onError(createDOMCompilerError(58 /* X_V_SHOW_NO_EXPRESSION */, loc));
}
return {
props: [],
needRuntime: context.helper(V_SHOW)
};
};
const transformTransition = (node, context) => {
if (node.type === 1 /* ELEMENT */ &&
node.tagType === 1 /* COMPONENT */) {
const component = context.isBuiltInComponent(node.tag);
if (component === TRANSITION) {
return () => {
if (!node.children.length) {
return;
}
// warn multiple transition children
if (hasMultipleChildren(node)) {
context.onError(createDOMCompilerError(59 /* X_TRANSITION_INVALID_CHILDREN */, {
start: node.children[0].loc.start,
end: node.children[node.children.length - 1].loc.end,
source: ''
}));
}
// check if it's s single child w/ v-show
// if yes, inject "persisted: true" to the transition props
const child = node.children[0];
if (child.type === 1 /* ELEMENT */) {
for (const p of child.props) {
if (p.type === 7 /* DIRECTIVE */ && p.name === 'show') {
node.props.push({
type: 6 /* ATTRIBUTE */,
name: 'persisted',
value: undefined,
loc: node.loc
});
}
}
}
};
}
}
};
function hasMultipleChildren(node) {
// #1352 filter out potential comment nodes.
const children = (node.children = node.children.filter(c => c.type !== 3 /* COMMENT */ &&
!(c.type === 2 /* TEXT */ && !c.content.trim())));
const child = children[0];
return (children.length !== 1 ||
child.type === 11 /* FOR */ ||
(child.type === 9 /* IF */ && child.branches.some(hasMultipleChildren)));
}
/**
* This module is Node-only.
*/
/**
* Regex for replacing placeholders for embedded constant variables
* (e.g. import URL string constants generated by compiler-sfc)
*/
const expReplaceRE = /__VUE_EXP_START__(.*?)__VUE_EXP_END__/g;
/**
* Turn eligible hoisted static trees into stringified static nodes, e.g.
*
* ```js
* const _hoisted_1 = createStaticVNode(`<div class="foo">bar</div>`)
* ```
*
* A single static vnode can contain stringified content for **multiple**
* consecutive nodes (element and plain text), called a "chunk".
* `@vue/runtime-dom` will create the content via innerHTML in a hidden
* container element and insert all the nodes in place. The call must also
* provide the number of nodes contained in the chunk so that during hydration
* we can know how many nodes the static vnode should adopt.
*
* The optimization scans a children list that contains hoisted nodes, and
* tries to find the largest chunk of consecutive hoisted nodes before running
* into a non-hoisted node or the end of the list. A chunk is then converted
* into a single static vnode and replaces the hoisted expression of the first
* node in the chunk. Other nodes in the chunk are considered "merged" and
* therefore removed from both the hoist list and the children array.
*
* This optimization is only performed in Node.js.
*/
const stringifyStatic = (children, context, parent) => {
// bail stringification for slot content
if (context.scopes.vSlot > 0) {
return;
}
let nc = 0; // current node count
let ec = 0; // current element with binding count
const currentChunk = [];
const stringifyCurrentChunk = (currentIndex) => {
if (nc >= 20 /* NODE_COUNT */ ||
ec >= 5 /* ELEMENT_WITH_BINDING_COUNT */) {
// combine all currently eligible nodes into a single static vnode call
const staticCall = compilerCore.createCallExpression(context.helper(compilerCore.CREATE_STATIC), [
JSON.stringify(currentChunk.map(node => stringifyNode(node, context)).join('')).replace(expReplaceRE, `" + $1 + "`),
// the 2nd argument indicates the number of DOM nodes this static vnode
// will insert / hydrate
String(currentChunk.length)
]);
// replace the first node's hoisted expression with the static vnode call
replaceHoist(currentChunk[0], staticCall, context);
if (currentChunk.length > 1) {
for (let i = 1; i < currentChunk.length; i++) {
// for the merged nodes, set their hoisted expression to null
replaceHoist(currentChunk[i], null, context);
}
// also remove merged nodes from children
const deleteCount = currentChunk.length - 1;
children.splice(currentIndex - currentChunk.length + 1, deleteCount);
return deleteCount;
}
}
return 0;
};
let i = 0;
for (; i < children.length; i++) {
const child = children[i];
const hoisted = getHoistedNode(child);
if (hoisted) {
// presence of hoisted means child must be a stringifiable node
const node = child;
const result = analyzeNode(node);
if (result) {
// node is stringifiable, record state
nc += result[0];
ec += result[1];
currentChunk.push(node);
continue;
}
}
// we only reach here if we ran into a node that is not stringifiable
// check if currently analyzed nodes meet criteria for stringification.
// adjust iteration index
i -= stringifyCurrentChunk(i);
// reset state
nc = 0;
ec = 0;
currentChunk.length = 0;
}
// in case the last node was also stringifiable
stringifyCurrentChunk(i);
};
const getHoistedNode = (node) => ((node.type === 1 /* ELEMENT */ && node.tagType === 0 /* ELEMENT */) ||
node.type == 12 /* TEXT_CALL */) &&
node.codegenNode &&
node.codegenNode.type === 4 /* SIMPLE_EXPRESSION */ &&
node.codegenNode.hoisted;
const dataAriaRE = /^(data|aria)-/;
const isStringifiableAttr = (name, ns) => {
return ((ns === 0 /* HTML */
? shared.isKnownHtmlAttr(name)
: ns === 1 /* SVG */
? shared.isKnownSvgAttr(name)
: false) || dataAriaRE.test(name));
};
const replaceHoist = (node, replacement, context) => {
const hoistToReplace = node.codegenNode.hoisted;
context.hoists[context.hoists.indexOf(hoistToReplace)] = replacement;
};
const isNonStringifiable = /*#__PURE__*/ shared.makeMap(`caption,thead,tr,th,tbody,td,tfoot,colgroup,col`);
/**
* for a hoisted node, analyze it and return:
* - false: bailed (contains non-stringifiable props or runtime constant)
* - [nc, ec] where
* - nc is the number of nodes inside
* - ec is the number of element with bindings inside
*/
function analyzeNode(node) {
if (node.type === 1 /* ELEMENT */ && isNonStringifiable(node.tag)) {
return false;
}
if (node.type === 12 /* TEXT_CALL */) {
return [1, 0];
}
let nc = 1; // node count
let ec = node.props.length > 0 ? 1 : 0; // element w/ binding count
let bailed = false;
const bail = () => {
bailed = true;
return false;
};
// TODO: check for cases where using innerHTML will result in different
// output compared to imperative node insertions.
// probably only need to check for most common case
// i.e. non-phrasing-content tags inside `<p>`
function walk(node) {
for (let i = 0; i < node.props.length; i++) {
const p = node.props[i];
// bail on non-attr bindings
if (p.type === 6 /* ATTRIBUTE */ &&
!isStringifiableAttr(p.name, node.ns)) {
return bail();
}
if (p.type === 7 /* DIRECTIVE */ && p.name === 'bind') {
// bail on non-attr bindings
if (p.arg &&
(p.arg.type === 8 /* COMPOUND_EXPRESSION */ ||
(p.arg.isStatic && !isStringifiableAttr(p.arg.content, node.ns)))) {
return bail();
}
if (p.exp &&
(p.exp.type === 8 /* COMPOUND_EXPRESSION */ ||
p.exp.constType < 3 /* CAN_STRINGIFY */)) {
return bail();
}
}
}
for (let i = 0; i < node.children.length; i++) {
nc++;
const child = node.children[i];
if (child.type === 1 /* ELEMENT */) {
if (child.props.length > 0) {
ec++;
}
walk(child);
if (bailed) {
return false;
}
}
}
return true;
}
return walk(node) ? [nc, ec] : false;
}
function stringifyNode(node, context) {
if (shared.isString(node)) {
return node;
}
if (shared.isSymbol(node)) {
return ``;
}
switch (node.type) {
case 1 /* ELEMENT */:
return stringifyElement(node, context);
case 2 /* TEXT */:
return shared.escapeHtml(node.content);
case 3 /* COMMENT */:
return `<!--${shared.escapeHtml(node.content)}-->`;
case 5 /* INTERPOLATION */:
return shared.escapeHtml(shared.toDisplayString(evaluateConstant(node.content)));
case 8 /* COMPOUND_EXPRESSION */:
return shared.escapeHtml(evaluateConstant(node));
case 12 /* TEXT_CALL */:
return stringifyNode(node.content, context);
default:
// static trees will not contain if/for nodes
return '';
}
}
function stringifyElement(node, context) {
let res = `<${node.tag}`;
let innerHTML = '';
for (let i = 0; i < node.props.length; i++) {
const p = node.props[i];
if (p.type === 6 /* ATTRIBUTE */) {
res += ` ${p.name}`;
if (p.value) {
res += `="${shared.escapeHtml(p.value.content)}"`;
}
}
else if (p.type === 7 /* DIRECTIVE */) {
if (p.name === 'bind') {
const exp = p.exp;
if (exp.content[0] === '_') {
// internally generated string constant references
// e.g. imported URL strings via compiler-sfc transformAssetUrl plugin
res += ` ${p.arg.content}="__VUE_EXP_START__${exp.content}__VUE_EXP_END__"`;
continue;
}
// constant v-bind, e.g. :foo="1"
let evaluated = evaluateConstant(exp);
if (evaluated != null) {
const arg = p.arg && p.arg.content;
if (arg === 'class') {
evaluated = shared.normalizeClass(evaluated);
}
else if (arg === 'style') {
evaluated = shared.stringifyStyle(shared.normalizeStyle(evaluated));
}
res += ` ${p.arg.content}="${shared.escapeHtml(evaluated)}"`;
}
}
else if (p.name === 'html') {
// #5439 v-html with constant value
// not sure why would anyone do this but it can happen
innerHTML = evaluateConstant(p.exp);
}
else if (p.name === 'text') {
innerHTML = shared.escapeHtml(shared.toDisplayString(evaluateConstant(p.exp)));
}
}
}
if (context.scopeId) {
res += ` ${context.scopeId}`;
}
res += `>`;
if (innerHTML) {
res += innerHTML;
}
else {
for (let i = 0; i < node.children.length; i++) {
res += stringifyNode(node.children[i], context);
}
}
if (!shared.isVoidTag(node.tag)) {
res += `</${node.tag}>`;
}
return res;
}
// __UNSAFE__
// Reason: eval.
// It's technically safe to eval because only constant expressions are possible
// here, e.g. `{{ 1 }}` or `{{ 'foo' }}`
// in addition, constant exps bail on presence of parens so you can't even
// run JSFuck in here. But we mark it unsafe for security review purposes.
// (see compiler-core/src/transforms/transformExpression)
function evaluateConstant(exp) {
if (exp.type === 4 /* SIMPLE_EXPRESSION */) {
return new Function(`return ${exp.content}`)();
}
else {
// compound
let res = ``;
exp.children.forEach(c => {
if (shared.isString(c) || shared.isSymbol(c)) {
return;
}
if (c.type === 2 /* TEXT */) {
res += c.content;
}
else if (c.type === 5 /* INTERPOLATION */) {
res += shared.toDisplayString(evaluateConstant(c.content));
}
else {
res += evaluateConstant(c);
}
});
return res;
}
}
const ignoreSideEffectTags = (node, context) => {
if (node.type === 1 /* ELEMENT */ &&
node.tagType === 0 /* ELEMENT */ &&
(node.tag === 'script' || node.tag === 'style')) {
context.onError(createDOMCompilerError(60 /* X_IGNORED_SIDE_EFFECT_TAG */, node.loc));
context.removeNode();
}
};
const DOMNodeTransforms = [
transformStyle,
...([transformTransition] )
];
const DOMDirectiveTransforms = {
cloak: compilerCore.noopDirectiveTransform,
html: transformVHtml,
text: transformVText,
model: transformModel,
on: transformOn,
show: transformShow
};
function compile(template, options = {}) {
return compilerCore.baseCompile(template, shared.extend({}, parserOptions, options, {
nodeTransforms: [
// ignore <script> and <tag>
// this is not put inside DOMNodeTransforms because that list is used
// by compiler-ssr to generate vnode fallback branches
ignoreSideEffectTags,
...DOMNodeTransforms,
...(options.nodeTransforms || [])
],
directiveTransforms: shared.extend({}, DOMDirectiveTransforms, options.directiveTransforms || {}),
transformHoist: stringifyStatic
}));
}
function parse(template, options = {}) {
return compilerCore.baseParse(template, shared.extend({}, parserOptions, options));
}
Object.keys(compilerCore).forEach(function (k) {
if (k !== 'default') exports[k] = compilerCore[k];
});
exports.DOMDirectiveTransforms = DOMDirectiveTransforms;
exports.DOMNodeTransforms = DOMNodeTransforms;
exports.TRANSITION = TRANSITION;
exports.TRANSITION_GROUP = TRANSITION_GROUP;
exports.V_MODEL_CHECKBOX = V_MODEL_CHECKBOX;
exports.V_MODEL_DYNAMIC = V_MODEL_DYNAMIC;
exports.V_MODEL_RADIO = V_MODEL_RADIO;
exports.V_MODEL_SELECT = V_MODEL_SELECT;
exports.V_MODEL_TEXT = V_MODEL_TEXT;
exports.V_ON_WITH_KEYS = V_ON_WITH_KEYS;
exports.V_ON_WITH_MODIFIERS = V_ON_WITH_MODIFIERS;
exports.V_SHOW = V_SHOW;
exports.compile = compile;
exports.createDOMCompilerError = createDOMCompilerError;
exports.parse = parse;
exports.parserOptions = parserOptions;
exports.transformStyle = transformStyle;
} (compilerDom_cjs$2));
var compilerDom_cjs = /*@__PURE__*/getDefaultExportFromCjs(compilerDom_cjs$2);
var compilerDom_cjs$1 = /*#__PURE__*/_mergeNamespaces({
__proto__: null,
'default': compilerDom_cjs
}, [compilerDom_cjs$2]);
export { compilerDom_cjs$1 as c };