fix: 多客户端场景下，cjs文件语法错误

Author: geekact

src/lib/rebuild-dist.ts

@@ -23,7 +23,7 @@ export const rebuildDist = async (
     );
     backupCJS = backupCJS.replace(
       /(__export\(.+?_exports, {)/,
-      `$1\n${classNames.map((className) => `${className}: () => ${className},`)}`,
+      `$1\n${classNames.map((className) => `${className}: () => ${className},`).join('\n')}`,
     );
     await writeFile(path.join(distDir, 'index.js'), backupCJS);
   }

test/lib/rebuild-dist.test.ts

@@ -91,3 +91,73 @@ test('内容写入文件', async () => {
     export { foo };"
   `);
 });
+
+test('内容写入文件', async () => {
+  await rebuildDist(root, jsContent, dtsContent, ['foo', 'bar', 'baz']);
+  await expect(readFile(path.join(distDir, 'index.js'), 'utf8')).resolves
+    .toMatchInlineSnapshot(`
+    ""use strict";
+    var __defProp = Object.defineProperty;
+    var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
+    var __getOwnPropNames = Object.getOwnPropertyNames;
+    var __hasOwnProp = Object.prototype.hasOwnProperty;
+    var __export = (target, all) => {
+      for (var name in all)
+        __defProp(target, name, { get: all[name], enumerable: true });
+    };
+    var __copyProps = (to, from, except, desc) => {
+      if (from && typeof from === "object" || typeof from === "function") {
+        for (let key of __getOwnPropNames(from))
+          if (!__hasOwnProp.call(to, key) && key !== except)
+            __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
+      }
+      return to;
+    };
+    var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
+
+    // test/fixtures/index.ts
+    var fixtures_exports = {};
+    __export(fixtures_exports, {
+    foo: () => foo,
+    bar: () => bar,
+    baz: () => baz,
+      aaaaa: () => aaaaa
+    });
+    module.exports = __toCommonJS(fixtures_exports);
+    var aaaaa = { bbbbb: "ccccc" };
+    // Annotate the CommonJS export names for ESM import in node:
+    var foo = { bar: "baz" }
+    0 && (module.exports = {
+    foo,bar,baz,
+      aaaaa
+    });
+    //# sourceMappingURL=index.js.map       
+    "
+  `);
+
+  await expect(readFile(path.join(distDir, 'index.d.ts'), 'utf8')).resolves
+    .toMatchInlineSnapshot(`
+    "declare const aaaaa: {
+        bbbbb: string;
+    };
+
+    export { aaaaa };
+           
+
+    declare const foo = { bar: "baz" };
+    export { foo, bar, baz };"
+  `);
+
+  await expect(readFile(path.join(distDir, 'esm', 'index.js'), 'utf8')).resolves
+    .toMatchInlineSnapshot(`
+    "// test/fixtures/index.ts
+    var aaaaa = { bbbbb: "ccccc" };
+    export {
+      aaaaa
+    };
+    //# sourceMappingURL=index.js.map       
+
+    var foo = { bar: "baz" }
+    export { foo, bar, baz };"
+  `);
+});