fix(compiler-sfc): support TS runtime enum in <script setup>
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@ -884,6 +884,21 @@ return { }
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})"
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`;
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exports[`SFC compile <script setup> with TypeScript runtime Enum 1`] = `
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"import { defineComponent as _defineComponent } from 'vue'
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enum Foo { A = 123 }
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export default _defineComponent({
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setup(__props, { expose }) {
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expose()
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return { Foo }
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}
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})"
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`;
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exports[`SFC compile <script setup> with TypeScript withDefaults (dynamic) 1`] = `
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"import { mergeDefaults as _mergeDefaults, defineComponent as _defineComponent } from 'vue'
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import { defaults } from './foo'
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@ -824,6 +824,18 @@ const emit = defineEmits(['a', 'b'])
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expect(content).toMatch(`emit: ((e: 'foo' | 'bar') => void),`)
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expect(content).toMatch(`emits: ["foo", "bar"] as unknown as undefined`)
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})
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test('runtime Enum', () => {
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const { content, bindings } = compile(
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`<script setup lang="ts">
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enum Foo { A = 123 }
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</script>`
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)
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assertCode(content)
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expect(bindings).toStrictEqual({
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Foo: BindingTypes.SETUP_CONST
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})
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})
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})
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describe('async/await detection', () => {
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@ -937,20 +937,6 @@ export function compileScript(
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walkDeclaration(node, setupBindings, userImportAlias)
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}
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// Type declarations
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if (node.type === 'VariableDeclaration' && node.declare) {
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s.remove(start, end)
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}
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// move all type declarations to outer scope
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if (
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node.type.startsWith('TS') ||
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(node.type === 'ExportNamedDeclaration' && node.exportKind === 'type')
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) {
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recordType(node, declaredTypes)
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s.move(start, end, 0)
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}
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// walk statements & named exports / variable declarations for top level
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// await
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if (
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@ -986,6 +972,24 @@ export function compileScript(
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node
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)
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}
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if (isTS) {
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// runtime enum
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if (node.type === 'TSEnumDeclaration' && !node.const) {
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registerBinding(setupBindings, node.id, BindingTypes.SETUP_CONST)
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}
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// move all Type declarations to outer scope
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if (
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node.type.startsWith('TS') ||
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(node.type === 'ExportNamedDeclaration' &&
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node.exportKind === 'type') ||
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(node.type === 'VariableDeclaration' && node.declare)
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) {
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recordType(node, declaredTypes)
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s.move(start, end, 0)
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}
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}
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}
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// in parse only mode, we should have collected all the information we need,
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