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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | 1x 1x 46x 46x 1x 46x 46x 46x 46x 27x 27x 19x 19x 19x 46x 46x 28x 28x 28x 28x 12x 28x 12x 12x 12x 28x 20x 20x 16x 1x 1x 16x 3x 3x 16x 2x 15x 9x 14x 2x 2x 16x 20x 20x 4x 3x 20x 2x 2x 20x 28x 28x 46x 12x 12x 46x 46x 19x 19x 19x 26x 26x 18x 26x 8x 8x 26x | import type { SFCDescriptor } from '../parse' import { type ExpressionNode, NodeTypes, type SimpleExpressionNode, type TemplateChildNode, parserOptions, walkIdentifiers, } from '@vue/compiler-dom' import { createCache } from '../cache' import { camelize, capitalize, isBuiltInDirective } from '@vue/shared' /** * Check if an import is used in the SFC's template. This is used to determine * the properties that should be included in the object returned from setup() * when not using inline mode. */ export function isImportUsed(local: string, sfc: SFCDescriptor): boolean { return resolveTemplateUsedIdentifiers(sfc).has(local) } const templateUsageCheckCache = createCache<Set<string>>() function resolveTemplateUsedIdentifiers(sfc: SFCDescriptor): Set<string> { const { content, ast } = sfc.template! const cached = templateUsageCheckCache.get(content) if (cached) { return cached } const ids = new Set<string>() ast!.children.forEach(walk) function walk(node: TemplateChildNode) { switch (node.type) { case NodeTypes.ELEMENT: let tag = node.tag if (tag.includes('.')) tag = tag.split('.')[0].trim() if ( !parserOptions.isNativeTag!(tag) && !parserOptions.isBuiltInComponent!(tag) ) { ids.add(camelize(tag)) ids.add(capitalize(camelize(tag))) } for (let i = 0; i < node.props.length; i++) { const prop = node.props[i] if (prop.type === NodeTypes.DIRECTIVE) { if (!isBuiltInDirective(prop.name)) { ids.add(`v${capitalize(camelize(prop.name))}`) } // process dynamic directive arguments if (prop.arg && !(prop.arg as SimpleExpressionNode).isStatic) { extractIdentifiers(ids, prop.arg) } if (prop.name === 'for') { extractIdentifiers(ids, prop.forParseResult!.source) } else if (prop.exp) { extractIdentifiers(ids, prop.exp) } else if (prop.name === 'bind' && !prop.exp) { // v-bind shorthand name as identifier ids.add(camelize((prop.arg as SimpleExpressionNode).content)) } } if ( prop.type === NodeTypes.ATTRIBUTE && prop.name === 'ref' && prop.value?.content ) { ids.add(prop.value.content) } } node.children.forEach(walk) break case NodeTypes.INTERPOLATION: extractIdentifiers(ids, node.content) break } } templateUsageCheckCache.set(content, ids) return ids } function extractIdentifiers(ids: Set<string>, node: ExpressionNode) { if (node.ast) { walkIdentifiers(node.ast, n => ids.add(n.name)) } else if (node.ast === null) { ids.add((node as SimpleExpressionNode).content) } } |