2020-01-29 07:48:27 +08:00
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import { makeMap } from './makeMap'
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2020-01-29 11:03:53 +08:00
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// On the client we only need to offer special cases for boolean attributes that
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// have different names from their corresponding dom properties:
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// - itemscope -> N/A
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// - allowfullscreen -> allowFullscreen
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// - formnovalidate -> formNoValidate
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// - ismap -> isMap
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// - nomodule -> noModule
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// - novalidate -> noValidate
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// - readonly -> readOnly
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const specialBooleanAttrs = `itemscope,allowfullscreen,formnovalidate,ismap,nomodule,novalidate,readonly`
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export const isSpecialBooleanAttr = /*#__PURE__*/ makeMap(specialBooleanAttrs)
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// The full list is needed during SSR to produce the correct initial markup.
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export const isBooleanAttr = /*#__PURE__*/ makeMap(
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specialBooleanAttrs +
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`,async,autofocus,autoplay,controls,default,defer,disabled,hidden,ismap,` +
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`loop,nomodule,open,required,reversed,scoped,seamless,` +
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`checked,muted,multiple,selected`
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2020-01-29 07:48:27 +08:00
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)
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const unsafeAttrCharRE = /[>/="'\u0009\u000a\u000c\u0020]/
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const attrValidationCache: Record<string, boolean> = {}
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export function isSSRSafeAttrName(name: string): boolean {
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if (attrValidationCache.hasOwnProperty(name)) {
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return attrValidationCache[name]
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}
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const isUnsafe = unsafeAttrCharRE.test(name)
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if (isUnsafe) {
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console.error(`unsafe attribute name: ${name}`)
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}
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return (attrValidationCache[name] = !isUnsafe)
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}
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export const propsToAttrMap: Record<string, string | undefined> = {
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acceptCharset: 'accept-charset',
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className: 'class',
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htmlFor: 'for',
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httpEquiv: 'http-equiv'
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}
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// CSS properties that accept plain numbers
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2020-01-29 11:03:53 +08:00
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export const isNoUnitNumericStyleProp = /*#__PURE__*/ makeMap(
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2020-01-29 07:48:27 +08:00
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`animation-iteration-count,border-image-outset,border-image-slice,` +
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`border-image-width,box-flex,box-flex-group,box-ordinal-group,column-count,` +
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`columns,flex,flex-grow,flex-positive,flex-shrink,flex-negative,flex-order,` +
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`grid-row,grid-row-end,grid-row-span,grid-row-start,grid-column,` +
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`grid-column-end,grid-column-span,grid-column-start,font-weight,line-clamp,` +
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`line-height,opacity,order,orphans,tab-size,widows,z-index,zoom,` +
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// SVG
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`fill-opacity,flood-opacity,stop-opacity,stroke-dasharray,stroke-dashoffset,` +
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`stroke-miterlimit,stroke-opacity,stroke-width`
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)
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