/** * 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]; } 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 = /:([^]+)/; const styleCommentRE = /\/\*.*?\*\//gs; function parseStringStyle(cssText) { const ret = {}; cssText .replace(styleCommentRE, '') .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') { // 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(); } // 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 `true` flag. */ const isHTMLTag = /*#__PURE__*/ makeMap(HTML_TAGS); /** * Compiler only. * Do NOT use in runtime code paths unless behind `true` flag. */ const isSVGTag = /*#__PURE__*/ makeMap(SVG_TAGS); /** * Compiler only. * Do NOT use in runtime code paths unless behind `true` flag. */ const isVoidTag = /*#__PURE__*/ makeMap(VOID_TAGS); /** * 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. `