fix(compiler-sfc): fix import usage detection for names containing $

fix #4274
This commit is contained in:
Evan You 2021-08-09 12:17:22 -04:00
parent 4781965cc2
commit 88a4504e82
3 changed files with 13 additions and 8 deletions

View File

@ -206,7 +206,7 @@ return { x }
exports[`SFC compile <script setup> imports imports not used in <template> should not be exposed 1`] = `
"import { defineComponent as _defineComponent } from 'vue'
import { FooBar, FooBaz, FooQux, vMyDir, x, y, z } from './x'
import { FooBar, FooBaz, FooQux, vMyDir, x, y, z, x$y } from './x'
export default _defineComponent({
setup(__props, { expose }) {
@ -214,7 +214,7 @@ export default _defineComponent({
const fooBar: FooBar = 1
return { fooBar, FooBaz, FooQux, vMyDir, x, z }
return { fooBar, FooBaz, FooQux, vMyDir, x, z, x$y }
}
})"

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@ -213,11 +213,11 @@ defineExpose({ foo: 123 })
test('imports not used in <template> should not be exposed', () => {
const { content } = compile(`
<script setup lang="ts">
import { FooBar, FooBaz, FooQux, vMyDir, x, y, z } from './x'
import { FooBar, FooBaz, FooQux, vMyDir, x, y, z, x$y } from './x'
const fooBar: FooBar = 1
</script>
<template>
<FooBaz v-my-dir>{{ x }} {{ yy }}</FooBaz>
<FooBaz v-my-dir>{{ x }} {{ yy }} {{ x$y }}</FooBaz>
<foo-qux/>
<div :id="z + 'y'">FooBar</div>
</template>
@ -229,7 +229,10 @@ defineExpose({ foo: 123 })
// vMyDir: used as directive v-my-dir
// x: used in interpolation
// y: should not be matched by {{ yy }} or 'y' in binding exps
expect(content).toMatch(`return { fooBar, FooBaz, FooQux, vMyDir, x, z }`)
// x$y: #4274 should escape special chars when creating Regex
expect(content).toMatch(
`return { fooBar, FooBaz, FooQux, vMyDir, x, z, x$y }`
)
})
})

View File

@ -332,9 +332,11 @@ export function compileScript(
let isUsedInTemplate = true
if (isTS && sfc.template && !sfc.template.src) {
isUsedInTemplate = new RegExp(`\\b${local}\\b`).test(
resolveTemplateUsageCheckString(sfc)
)
isUsedInTemplate = new RegExp(
// #4274 escape $ since it's a special char in regex
// (and is the only regex special char that is valid in identifiers)
`[^\\w$_]${local.replace(/\$/g, '\\$')}[^\\w$_]`
).test(resolveTemplateUsageCheckString(sfc))
}
userImports[local] = {