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fix(compiler-sfc): make sure rewriteDefault get current result when u…
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…se decorator before export default
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linshuohao committed Jul 20, 2022
1 parent 8dcb6c7 commit ef19db8
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Showing 2 changed files with 56 additions and 2 deletions.
51 changes: 50 additions & 1 deletion packages/compiler-sfc/__tests__/rewriteDefault.spec.ts
Original file line number Diff line number Diff line change
Expand Up @@ -190,7 +190,56 @@ describe('compiler sfc: rewriteDefault', () => {
).toMatchInlineSnapshot(`
"/*
export default class Foo {}*/
const script = class Bar {}"
class Bar {}
const script = Bar"
`)
})

test('@Component\nexport default class', async () => {
expect(rewriteDefault(`@Component\nexport default class Foo {}`, 'script'))
.toMatchInlineSnapshot(`
"@Component
class Foo {}
const script = Foo"
`)
})

test('@Component\nexport default class w/ comments', async () => {
expect(
rewriteDefault(`// export default\n@Component\nexport default class Foo {}`, 'script')
).toMatchInlineSnapshot(`
"// export default
@Component
class Foo {}
const script = Foo"
`)
})

test('@Component\nexport default class w/ comments 2', async () => {
expect(
rewriteDefault(
`export default {}\n` + `// @Component\n// export default class Foo {}`,
'script'
)
).toMatchInlineSnapshot(`
"const script = {}
// @Component
// export default class Foo {}"
`)
})

test('@Component\nexport default class w/ comments 3', async () => {
expect(
rewriteDefault(
`/*\n@Component\nexport default class Foo {}*/\n` + `export default class Bar {}`,
'script'
)
).toMatchInlineSnapshot(`
"/*
@Component
export default class Foo {}*/
class Bar {}
const script = Bar"
`)
})
})
7 changes: 6 additions & 1 deletion packages/compiler-sfc/src/rewriteDefault.ts
Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,12 @@ export function rewriteDefault(
}).program.body
ast.forEach(node => {
if (node.type === 'ExportDefaultDeclaration') {
s.overwrite(node.start!, node.declaration.start!, `const ${as} = `)
if (node.declaration.type === 'ClassDeclaration') {
s.overwrite(node.start!, node.declaration.id.start!, `class `)
s.append(`\nconst ${as} = ${node.declaration.id.name}`)
} else {
s.overwrite(node.start!, node.declaration.start!, `const ${as} = `)
}
}
if (node.type === 'ExportNamedDeclaration') {
for (const specifier of node.specifiers) {
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