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fix: handle nested scope identifiers

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This commit is contained in:
Evan You 2019-09-23 13:56:56 -04:00
parent 88e5e96a3e
commit e09e887219
1 changed files with 9 additions and 5 deletions
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14
packages/compiler-core/src/transform.ts
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@ -50,7 +50,7 @@ export interface TransformOptions {
export interface TransformContext extends Required<TransformOptions> { export interface TransformContext extends Required<TransformOptions> {
imports: Set<string> imports: Set<string>
statements: string[] statements: string[]
identifiers: { [name: string]: true } identifiers: { [name: string]: number | undefined }
parent: ParentNode parent: ParentNode
ancestors: ParentNode[] ancestors: ParentNode[]
childIndex: number childIndex: number
@ -113,11 +113,15 @@ function createTransformContext(
context.parent.children.splice(removalIndex, 1) context.parent.children.splice(removalIndex, 1)
}, },
onNodeRemoved: () => {}, onNodeRemoved: () => {},
addIdentifier(exp) { addIdentifier({ content }) {
context.identifiers[exp.content] = true const { identifiers } = context
if (identifiers[content] === undefined) {
identifiers[content] = 0
}
;(identifiers[content] as number)++
}, },
removeIdentifier(exp) { removeIdentifier({ content }) {
delete context.identifiers[exp.content] ;(context.identifiers[content] as number)--
} }
} }
return context return context