add tests

Author: renjie-run

.github/workflows/nodejs.yml

@@ -0,0 +1,24 @@
+name: Node CI
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: npm install, build, and test
+        run: |
+          npm install
+          ./node_modules/.bin/jest --ci
+        env:
+          CI: true

jest.config.js

@@ -2,6 +2,20 @@ module.exports = {
   testMatch: ['<rootDir>/tests/**/(*.)+(spec|test).[jt]s'],
   testEnvironment: 'node',
   transform: {
-    '^.+\\.[jt]s$': 'babel-jest',
+    '^.+\\.[jt]s$': [
+      'babel-jest',
+      {
+        presets: [
+          [
+            '@babel/preset-env',
+            {
+              targets: {
+                node: 'current',
+              },
+            },
+          ],
+        ],
+      },
+    ],
   },
 };