ci: auto test, lint & prettier on push/pull request

Author: urish

.github/workflows/ci-test.yml

@@ -0,0 +1,20 @@
+name: Test and Lint
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+jobs:
+  test:
+    name: Test and Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install packages
+        run: npm ci
+      - name: Prettier
+        run: npm run format:check
+      - name: Lint
+        run: npm run lint
+      - name: Test code
+        run: npm test

package.json

@@ -30,6 +30,7 @@
     "build": "rimraf dist && tsc && tsc -p tsconfig.esm.json && node build-scripts/dist-package-json",
     "prepublish": "npm run build",
     "prepare": "husky install",
+    "format:check": "prettier --check **/*.{ts,js} !**/dist/** !**/node_modules/**",
     "lint": "eslint . --ext .ts",
     "start": "ts-node demo/emulator-run.ts",
     "start:micropython": "ts-node demo/micropython-run.ts",