feat(core): support source.transformImport (#1124)

Author: 9aoy

e2e/adapterTransformImport/fixtures/demo-lib/foo.js

@@ -0,0 +1,2 @@
+export const foo = () => 'actual';
+export default foo;

e2e/adapterTransformImport/fixtures/demo-lib/index.js

@@ -0,0 +1 @@
+export { foo } from './foo.js';

e2e/adapterTransformImport/fixtures/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "@rstest/tests-transform-import",
+  "version": "1.0.0",
+  "private": true
+}

e2e/adapterTransformImport/fixtures/rstest.config.mts

@@ -0,0 +1,19 @@
+import { defineConfig } from '@rstest/core';
+
+export default defineConfig({
+  include: ['tests/**/*.test.ts'],
+  resolve: {
+    alias: {
+      'demo-lib': './demo-lib',
+    },
+  },
+  source: {
+    transformImport: [
+      {
+        libraryName: 'demo-lib',
+        libraryDirectory: '.',
+        camelToDashComponentName: false,
+      },
+    ],
+  },
+});

e2e/adapterTransformImport/fixtures/tests/demoLib.d.ts

@@ -0,0 +1,4 @@
+declare module 'demo-lib' {
+  export function foo(): string;
+  export default foo;
+}

e2e/adapterTransformImport/fixtures/tests/index.test.ts

@@ -0,0 +1,6 @@
+import { expect, it } from '@rstest/core';
+import { foo } from 'demo-lib';
+
+it('transformImport from rstest config', () => {
+  expect(foo()).toBe('actual');
+});

e2e/adapterTransformImport/index.test.ts

@@ -0,0 +1,26 @@
+import { dirname, join } from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { describe, expect, it } from '@rstest/core';
+import { runRstestCli } from '../scripts';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+describe('adapter transformImport', () => {
+  it('should support source.transformImport in rstest config', async () => {
+    const { cli, expectExecSuccess } = await runRstestCli({
+      command: 'rstest',
+      args: ['run'],
+      options: {
+        nodeOptions: {
+          cwd: join(__dirname, 'fixtures'),
+        },
+      },
+    });
+
+    await expectExecSuccess();
+
+    expect(cli.stdout).toContain('transformImport from rstest config');
+    expect(cli.stdout).toContain('Test Files 1 passed');
+  });
+});

packages/adapter-rsbuild/src/toRstestConfig.ts

@@ -32,8 +32,15 @@ export function toRstestConfig({
 
   const { rspack, swc, bundlerChain } = finalBuildConfig.tools || {};
   const { cssModules, target, module } = finalBuildConfig.output || {};
-  const { assetsInclude, decorators, define, include, exclude, tsconfigPath } =
-    finalBuildConfig.source || {};
+  const {
+    assetsInclude,
+    decorators,
+    define,
+    include,
+    exclude,
+    tsconfigPath,
+    transformImport,
+  } = finalBuildConfig.source || {};
 
   return {
     root: finalBuildConfig.root,
@@ -54,6 +61,7 @@ export function toRstestConfig({
       include,
       exclude,
       tsconfigPath,
+      transformImport,
     },
     resolve: finalBuildConfig.resolve,
     output: {

packages/adapter-rsbuild/tests/toRstestConfig.test.ts

@@ -9,6 +9,13 @@ describe('toRstestConfig', () => {
       define: {
         'process.env.NODE_ENV': '"common"',
       },
+      transformImport: [
+        {
+          libraryName: 'lodash',
+          libraryDirectory: '',
+          camelToDashComponentName: false,
+        },
+      ],
     },
     resolve: {
       alias: {
@@ -38,6 +45,13 @@ describe('toRstestConfig', () => {
     expect(config.source?.define).toEqual({
       'process.env.NODE_ENV': '"common"',
     });
+    expect(config.source?.transformImport).toEqual([
+      {
+        libraryName: 'lodash',
+        libraryDirectory: '',
+        camelToDashComponentName: false,
+      },
+    ]);
     expect(config.resolve?.alias).toEqual({
       '@': './src',
     });

packages/adapter-rslib/src/index.ts

@@ -94,6 +94,7 @@ export function withRslibConfig(
       include,
       exclude,
       tsconfigPath,
+      transformImport,
     } = finalLibConfig.source || {};
 
     // Convert rslib config to rstest config
@@ -112,6 +113,7 @@ export function withRslibConfig(
         include,
         exclude,
         tsconfigPath,
+        transformImport,
       },
       resolve: finalLibConfig.resolve,
       output: {