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fix: handle namespace import and dynamic import interop consistently #15619

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merged 7 commits into from
Jan 18, 2024
Merged

fix: handle namespace import and dynamic import interop consistently #15619

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c6f0bee
fix: the abnormal behavior of namespace import and dynamic import whe…
XiSenao Jan 16, 2024
e955082
chore: convert to single-line execution
XiSenao Jan 16, 2024
76190e5
chore: update namespace import test
XiSenao Jan 16, 2024
e1228d7
chore: simplify the expression
XiSenao Jan 16, 2024
95ea358
chore: update namespace import test
XiSenao Jan 16, 2024
659e82e
chore: modify format
XiSenao Jan 16, 2024
0c75563
chore: merge main
patak-dev Jan 18, 2024
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18 changes: 16 additions & 2 deletions packages/vite/src/node/plugins/importAnalysis.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -848,6 +848,18 @@ export function createParseErrorInfo(
}
}

const interopHelper = (module: any) => {
if (Array.isArray(module) || typeof module === 'string') {
return {
default: module,
}
}
if (module && module.__esModule) {
return module
}
return { ...module, default: module }
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}

export function interopNamedImports(
str: MagicString,
importSpecifier: ImportSpecifier,
Expand All @@ -870,7 +882,7 @@ export function interopNamedImports(
str.overwrite(
expStart,
expEnd,
`import('${rewrittenUrl}').then(m => m.default && m.default.__esModule ? m.default : ({ ...m.default, default: m.default }))` +
`import('${rewrittenUrl}').then(m => (${interopHelper.toString()})(m.default))` +
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getLineBreaks(exp),
{ contentOnly: true },
)
Expand Down Expand Up @@ -1006,7 +1018,9 @@ export function transformCjsImport(
const lines: string[] = [`import ${cjsModuleName} from "${url}"`]
importNames.forEach(({ importedName, localName }) => {
if (importedName === '*') {
lines.push(`const ${localName} = ${cjsModuleName}`)
lines.push(
`const ${localName} = (${interopHelper.toString()})(${cjsModuleName})`,
)
} else if (importedName === 'default') {
lines.push(
`const ${localName} = ${cjsModuleName}.__esModule ? ${cjsModuleName}.default : ${cjsModuleName}`,
Expand Down