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fix(compiler-sfc): fix TLA codegen semicolon insertion

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fix #4596
This commit is contained in:
Evan You
2021-09-16 16:49:59 -04:00
parent ae942cdcd9
commit 39cebf5f7a
3 changed files with 92 additions and 17 deletions
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21
packages/compiler-sfc/src/compileScript.ts
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@@ -507,11 +507,13 @@ export function compileScript(
}
/**
* await foo()
* -->
* (([__temp, __restore] = withAsyncContext(async () => foo())),__temp=await __temp,__restore(),__temp)
* await foo() -->
*
* (([__temp, __restore] = withAsyncContext(async () => {
* return foo()
* })),__temp=await __temp,__restore(),__temp)
*/
function processAwait(node: AwaitExpression, isStatement: boolean) {
function processAwait(node: AwaitExpression, needSemi: boolean) {
const argumentStart =
node.argument.extra && node.argument.extra.parenthesized
? (node.argument.extra.parenStart as number)
@@ -527,15 +529,13 @@ export function compileScript(
s.overwrite(
node.start! + startOffset,
argumentStart + startOffset,
`${isStatement ? `;` : ``}(\n ([__temp,__restore] = ${helper(
`${needSemi ? `;` : ``}(\n ([__temp,__restore] = ${helper(
`withAsyncContext`
)}(${containsNestedAwait ? `async ` : ``}() => {\n return `
)
s.appendLeft(
node.end! + startOffset,
`\n })),\n __temp = await __temp,\n __restore()${
isStatement ? `` : `,\n __temp`
}\n)`
`\n })),\n __temp = await __temp,\n __restore(),\n __temp\n)`
)
}
@@ -934,7 +934,10 @@ export function compileScript(
}
if (child.type === 'AwaitExpression') {
hasAwait = true
processAwait(child, parent.type === 'ExpressionStatement')
const needsSemi = scriptSetupAst.body.some(n => {
return n.type === 'ExpressionStatement' && n.start === child.start
})
processAwait(child, needsSemi)
}
}
})