chore: add jest transformer test

Author: tiagoporto

.github/workflows/unit-tests.yml

@@ -65,6 +65,9 @@ jobs:
       - name: Test rollup plugin
         run: pnpm rollup-plugin
 
+      - name: Test jest transformer
+        run: pnpm jest-transformer
+
       # - name: Run Unit Test Against Package
       #   # pnpm has a bug with pack script https://github.com/pnpm/pnpm/issues/4351
       #   run: |

.remarkignore

@@ -0,0 +1 @@
+.stryker-tmp

eslint.config.mjs

@@ -6,6 +6,7 @@ export default [
   ...tpConfig.configs.base,
   {
     files: ['**/*.test.{js,ts}'],
+    ignores: ['fixtures/**/*'],
     plugins: { vitest },
     rules: {
       ...vitest.configs.all.rules,

fixtures/webpack.test.js

@@ -0,0 +1,9 @@
+import { describe, expect, it } from '@jest/globals'
+
+import { key } from './webpack.mjs'
+
+describe('jest-plugin', () => {
+  it('return key', () => {
+    expect(key.b).toBe('data:a.b')
+  })
+})

jest.config.mjs

@@ -0,0 +1,10 @@
+/** @type {import('jest').Config} */
+export default {
+  roots: ['<rootDir>/fixtures/'],
+  testMatch: ['**/?(*.)+(test).?([mc])[jt]s?(x)'],
+  moduleFileExtensions: ['js'],
+  transform: {
+    '^.+\\.m?(t|j)sx?$': '@swc/jest',
+    'data\\.json$': ['json-map-keys-jest', { prefix: '[name]:' }],
+  },
+}

package.json

@@ -22,10 +22,12 @@
     "test": "vitest",
     "test:mutation": "stryker run",
     "webpack-loader": "webpack",
-    "rollup-plugin": "rollup --config"
+    "rollup-plugin": "rollup --config",
+    "jest-transformer": "jest"
   },
   "dependencies": {
     "json-map-keys": "workspace:*",
+    "json-map-keys-jest": "workspace:*",
     "json-map-keys-loader": "workspace:*",
     "rollup-plugin-json-map-keys": "workspace:*"
   },
@@ -35,6 +37,7 @@
     "@stryker-mutator/core": "^9.1.1",
     "@stryker-mutator/typescript-checker": "^9.1.1",
     "@stryker-mutator/vitest-runner": "^9.1.1",
+    "@swc/jest": "^0.2.39",
     "@tiagoporto/dependabot-config": "^2.4.0",
     "@tiagoporto/editor-config": "^2.0.0",
     "@tiagoporto/eslint-config": "^5.3.0",
@@ -44,6 +47,7 @@
     "@vitest/eslint-plugin": "^1.3.10",
     "eslint": "^9.36.0",
     "husky": "^9.1.7",
+    "jest": "^27.0.0",
     "lint-staged": "^16.1.6",
     "prettier": "^3.6.2",
     "remark": "^15.0.1",

pnpm-lock.yaml

@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    include: ['./packages/**/*.test.{ts,tsx}'],
+  },
+})