Fix re-export detection for Turbopack compatibility

__tests__/repro_issue.test.js

@@ -0,0 +1,50 @@
+import { parseCode, hasExportName } from '../src/utils'
+
+// Related with https://github.com/aralroca/next-translate-plugin/issues/91
+describe('repro issue', () => {
+  it('should detect re-exported getStaticProps', () => {
+    const code = `
+      export { getStaticProps } from './data'
+      export default function Page() {
+        return <h1>Page</h1>
+      }
+    `
+    const pagePkg = parseCode('jsx', code)
+    expect(hasExportName(pagePkg, 'getStaticProps')).toBe(true)
+  })
+
+  it('should detect re-exported getServerSideProps', () => {
+    const code = `
+      export { getServerSideProps as GSSP } from './data'
+      export default function Page() {
+        return <h1>Page</h1>
+      }
+    `
+    const pagePkg = parseCode('jsx', code)
+    // Actually hasExportName checks for the name it is exported AS.
+    expect(hasExportName(pagePkg, 'GSSP')).toBe(true)
+  })
+
+  it('should detect re-exported all from another file', () => {
+    const code = `
+      export * from './data'
+      export default function Page() {
+        return <h1>Page</h1>
+      }
+    `
+    const pagePkg = parseCode('jsx', code)
+    // If ./data is not resolved, this will fail
+    expect(hasExportName(pagePkg, 'getServerSideProps')).toBe(true)
+  })
+
+  it('should return false for non-data-fetching methods when export * is present', () => {
+    const code = `
+      export * from './data'
+      export default function Page() {
+        return <h1>Page</h1>
+      }
+    `
+    const pagePkg = parseCode('jsx', code)
+    expect(hasExportName(pagePkg, 'someOtherExport')).toBe(false)
+  })
+})

src/utils.ts

@@ -298,7 +298,27 @@ export function getDefaultExport(filePkg: ParsedFilePkg, resolveExport = true) {
 }
 
 export function hasExportName(filePkg: ParsedFilePkg, name: string) {
-  return Boolean(getNamedExport(filePkg, name, false))
+  if (Boolean(getNamedExport(filePkg, name, false))) return true
+
+  // Fallback for re-exports (export * from '...')
+  // When noResolve is true, the checker may not be able to resolve these
+  const isDataFetchingMethod = [
+    'getStaticProps',
+    'getStaticPaths',
+    'getServerSideProps',
+    'getInitialProps',
+  ].includes(name)
+
+  if (!isDataFetchingMethod) return false
+
+  return filePkg.sourceFile.statements.some((node) => {
+    return (
+      ts.isExportDeclaration(node) &&
+      !node.isTypeOnly &&
+      !node.exportClause &&
+      node.moduleSpecifier !== undefined
+    )
+  })
 }
 
 export function getStaticName(