test: ✅ add test case for use some source twice

e2e/fixtures/tree-shaking.skip_module.use_multi_same_source/expect.js

@@ -0,0 +1,11 @@
+const assert = require('assert');
+const { parseBuildResult } = require('../../../scripts/test-utils');
+const { files } = parseBuildResult(__dirname);
+
+const content = files['index.js'];
+
+assert(
+  content.includes('src/dep/index.js'),
+  `dep/index.js should keep in chunk`,
+);
+assert(content.includes('src/dep/dep.js'), `dep/dep.js should keep in chunk`);

e2e/fixtures/tree-shaking.skip_module.use_multi_same_source/mako.config.json

@@ -0,0 +1,3 @@
+{
+  "optimizePackageImports": false
+}

e2e/fixtures/tree-shaking.skip_module.use_multi_same_source/src/dep/dep.js

@@ -0,0 +1,3 @@
+export const x = 'x';
+export const y = 'y';
+export const z = 'z';

e2e/fixtures/tree-shaking.skip_module.use_multi_same_source/src/dep/index.js

@@ -0,0 +1,2 @@
+export * from './dep.js';
+export const a = 'a';

e2e/fixtures/tree-shaking.skip_module.use_multi_same_source/src/index.ts

@@ -0,0 +1,4 @@
+import { a, x } from './dep';
+import { y } from './dep';
+
+console.log(a, x, y);