vue3-yuanma/packages/compiler-dom/src/parserOptionsMinimal.ts

98 lines
2.5 KiB
TypeScript

import {
TextModes,
ParserOptions,
ElementNode,
Namespaces,
NodeTypes,
isBuiltInType
} from '@vue/compiler-core'
import { makeMap, isVoidTag, isHTMLTag, isSVGTag } from '@vue/shared'
import { TRANSITION, TRANSITION_GROUP } from './runtimeHelpers'
const isRawTextContainer = /*#__PURE__*/ makeMap(
'style,iframe,script,noscript',
true
)
export const enum DOMNamespaces {
HTML = Namespaces.HTML,
SVG,
MATH_ML
}
export const parserOptionsMinimal: ParserOptions = {
isVoidTag,
isNativeTag: tag => isHTMLTag(tag) || isSVGTag(tag),
isPreTag: tag => tag === 'pre',
isBuiltInComponent: (tag: string): symbol | undefined => {
if (isBuiltInType(tag, `Transition`)) {
return TRANSITION
} else if (isBuiltInType(tag, `TransitionGroup`)) {
return TRANSITION_GROUP
}
},
// https://html.spec.whatwg.org/multipage/parsing.html#tree-construction-dispatcher
getNamespace(tag: string, parent: ElementNode | undefined): DOMNamespaces {
let ns = parent ? parent.ns : DOMNamespaces.HTML
if (parent && ns === DOMNamespaces.MATH_ML) {
if (parent.tag === 'annotation-xml') {
if (tag === 'svg') {
return DOMNamespaces.SVG
}
if (
parent.props.some(
a =>
a.type === NodeTypes.ATTRIBUTE &&
a.name === 'encoding' &&
a.value != null &&
(a.value.content === 'text/html' ||
a.value.content === 'application/xhtml+xml')
)
) {
ns = DOMNamespaces.HTML
}
} else if (
/^m(?:[ions]|text)$/.test(parent.tag) &&
tag !== 'mglyph' &&
tag !== 'malignmark'
) {
ns = DOMNamespaces.HTML
}
} else if (parent && ns === DOMNamespaces.SVG) {
if (
parent.tag === 'foreignObject' ||
parent.tag === 'desc' ||
parent.tag === 'title'
) {
ns = DOMNamespaces.HTML
}
}
if (ns === DOMNamespaces.HTML) {
if (tag === 'svg') {
return DOMNamespaces.SVG
}
if (tag === 'math') {
return DOMNamespaces.MATH_ML
}
}
return ns
},
// https://html.spec.whatwg.org/multipage/parsing.html#parsing-html-fragments
getTextMode(tag: string, ns: DOMNamespaces): TextModes {
if (ns === DOMNamespaces.HTML) {
if (tag === 'textarea' || tag === 'title') {
return TextModes.RCDATA
}
if (isRawTextContainer(tag)) {
return TextModes.RAWTEXT
}
}
return TextModes.DATA
}
}