fix(module-tools): alias not working on re-export (#4784)

.changeset/perfect-apples-look.md

@@ -0,0 +1,6 @@
+---
+'@modern-js/module-tools': patch
+---
+
+fix: alias not working on re-export
+fix: 别名在重导出不生效

packages/solutions/module-tools/src/builder/feature/redirect.ts

@@ -204,9 +204,17 @@ export const redirect = {
       try {
         const sgNode = js.parse(code).root();
         const funcPattern = [`require($MATCH)`, `import($MATCH)`];
+        // `export $VAR from` is invalid, so we need `{$$$VAR}`, `*` and `* as $VAR`
+        // But `import $VAR from` is valid.
         const staticPattern = [
-          `import $$VAR from '$MATCH'`,
-          `import $$VAR from "$MATCH"`,
+          `import $VAR from '$MATCH'`,
+          `import $VAR from "$MATCH"`,
+          `export {$$$VAR} from '$MATCH'`,
+          `export {$$$VAR} from "$MATCH"`,
+          `export * from '$MATCH'`,
+          `export * from "$MATCH"`,
+          `export * as $VAR from '$MATCH'`,
+          `export * as $VAR from "$MATCH"`,
           `import '$MATCH'`,
           `import "$MATCH"`,
         ];

tests/integration/module/fixtures/build/redirect/redirect.test.ts

@@ -30,7 +30,7 @@ describe('redirect', () => {
     const distJsFilePath = path.join(fixtureDir, './dist/redirect/index.js');
     const jsContent = await fs.readFile(distJsFilePath, 'utf-8');
     // redirect alias
-    expect(jsContent.includes(`import alias from "./alias"`)).toBeTruthy();
+    expect(jsContent.includes(`@/alias`)).toBeFalsy();
     // redirect style
     expect(
       jsContent.includes(`import css from "./index.module";`),

tests/integration/module/fixtures/build/redirect/src/alias.ts

@@ -1,3 +1,5 @@
 const alias = true;
 
+export const a = 42;
+export const b = 42;
 export default alias;

tests/integration/module/fixtures/build/redirect/src/index.ts

@@ -1,5 +1,15 @@
+// css module
 import css from './index.module.css';
+
+// asset
 import svg from './logo.svg';
-import alias from '@/alias';
 
-console.log(css, svg, alias);
+// alias
+import namedImport, { a, b } from '@/alias';
+import * as wildcardImport from '@/alias';
+
+export { a, b } from '@/alias';
+export * from '@/alias';
+export * as c from '@/alias';
+
+console.log(css, svg, a, b, namedImport, wildcardImport);