fix: mfsu none export when only has __esModule export (umijs#7101)

ctrln · Aug 2, 2021 · e16476e · e16476e
1 parent 6c21641
commit e16476e
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Showing 2 changed files with 27 additions and 1 deletion.
diff --git a/packages/preset-built-in/src/plugins/features/mfsu/getDepReExportContent.test.ts b/packages/preset-built-in/src/plugins/features/mfsu/getDepReExportContent.test.ts
@@ -148,6 +148,25 @@ exports.Foo = void 0;
   ).toEqual(`export * from 'foo';`);
 });
 
+test('__esModule only', async () => {
+  expect(
+    // ref: @%INNER_SCOPE%/radiant-util
+    await getDepReExportContent({
+      content: `
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+tslib_1.__exportStar(require("./constant"), exports);
+tslib_1.__exportStar(require("./number/math"), exports);
+tslib_1.__exportStar(require("./number/format"), exports);
+tslib_1.__exportStar(require("./date"), exports);
+tslib_1.__exportStar(require("./collection/transform"), exports);
+`,
+      importFrom: 'foo',
+    }),
+  ).toEqual(`import _ from 'foo';\nexport default _;\nexport * from 'foo';`);
+});
+
 test('cjs mode esm parser', () => {
   const file = `
   Object.defineProperty(exports, "__esModule", {

diff --git a/packages/preset-built-in/src/plugins/features/mfsu/getDepReExportContent.ts b/packages/preset-built-in/src/plugins/features/mfsu/getDepReExportContent.ts
@@ -67,7 +67,14 @@ export default _;`.trim();
       }
 
       if (!hasExports) {
-        ret.push(`import '${opts.importFrom}';`);
+        // 只有 __esModule 的全量导出
+        if (exports.includes('__esModule')) {
+          ret.push(`import _ from '${opts.importFrom}';`);
+          ret.push(`export default _;`);
+          ret.push(`export * from '${opts.importFrom}';`);
+        } else {
+          ret.push(`import '${opts.importFrom}';`);
+        }
       }
 
       return ret.join('\n');