Merge pull request #9 from nicolo-ribaudo/babel-8

Test Babel 8 compatibility

Author: NullVoxPopuli

.github/workflows/ci.yml

@@ -44,6 +44,21 @@ jobs:
       - run: pnpm i --frozen-lockfile
       - run: pnpm test
 
+  test-babel-8:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22.x
+          cache: pnpm
+      - run: pnpm i
+      - run: pnpm i @babel/core@^8.0.0-0 @babel/plugin-syntax-decorators@^8.0.0-0 @babel/plugin-transform-typescript@^8.0.0-0 --save
+      - run: pnpm test
+
   floating:
     runs-on: ubuntu-latest
     timeout-minutes: 10

jest.config.js

@@ -1,5 +1,8 @@
 /** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
-module.exports = {
+
+const nativeESM = !!process.features.typescript;
+
+const config = {
   preset: 'ts-jest/presets/default-esm',
   testEnvironment: 'node',
   moduleDirectories: ['node_modules', 'src'],
@@ -9,6 +12,13 @@ module.exports = {
       diagnostics: {
         ignoreCodes: [151001],
       },
+      useESM: nativeESM,
     },
   },
 };
+
+if (nativeESM) {
+  config.runner = 'jest-light-runner';
+}
+
+module.exports = config;

package.json

@@ -54,6 +54,7 @@
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-prettier": "^4.0.0",
     "jest": "^27.4.7",
+    "jest-light-runner": "^0.7.10",
     "release-plan": "^0.9.0",
     "rimraf": "^3.0.2",
     "ts-jest": "^27.1.3",