82 lines
2.0 KiB
TypeScript
82 lines
2.0 KiB
TypeScript
import {
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NodeTypes,
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ElementNode,
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locStub,
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Namespaces,
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ElementTypes,
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VNodeCall
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} from '../src'
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import { isString, PatchFlags, PatchFlagNames, isArray } from '@vue/shared'
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const leadingBracketRE = /^\[/
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const bracketsRE = /^\[|\]$/g
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// Create a matcher for an object
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// where non-static expressions should be wrapped in []
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// e.g.
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// - createObjectMatcher({ 'foo': '[bar]' }) matches { foo: bar }
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// - createObjectMatcher({ '[foo]': 'bar' }) matches { [foo]: "bar" }
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export function createObjectMatcher(obj: Record<string, any>) {
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return {
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type: NodeTypes.JS_OBJECT_EXPRESSION,
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properties: Object.keys(obj).map(key => ({
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type: NodeTypes.JS_PROPERTY,
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key: {
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type: NodeTypes.SIMPLE_EXPRESSION,
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content: key.replace(bracketsRE, ''),
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isStatic: !leadingBracketRE.test(key)
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},
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value: isString(obj[key])
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? {
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type: NodeTypes.SIMPLE_EXPRESSION,
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content: obj[key].replace(bracketsRE, ''),
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isStatic: !leadingBracketRE.test(obj[key])
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}
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: obj[key]
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}))
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}
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}
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export function createElementWithCodegen(
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tag: VNodeCall['tag'],
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props?: VNodeCall['props'],
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children?: VNodeCall['children'],
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patchFlag?: VNodeCall['patchFlag'],
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dynamicProps?: VNodeCall['dynamicProps']
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): ElementNode {
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return {
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type: NodeTypes.ELEMENT,
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loc: locStub,
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ns: Namespaces.HTML,
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tag: 'div',
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tagType: ElementTypes.ELEMENT,
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isSelfClosing: false,
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props: [],
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children: [],
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codegenNode: {
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type: NodeTypes.VNODE_CALL,
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tag,
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props,
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children,
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patchFlag,
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dynamicProps,
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directives: undefined,
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isBlock: false,
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isForBlock: false,
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loc: locStub
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}
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}
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}
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export function genFlagText(flag: PatchFlags | PatchFlags[]) {
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if (isArray(flag)) {
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let f = 0
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flag.forEach(ff => {
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f |= ff
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})
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return `${f} /* ${flag.map(f => PatchFlagNames[f]).join(', ')} */`
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} else {
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return `${flag} /* ${PatchFlagNames[flag]} */`
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}
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}
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