Use GitHub Actions to enforce code formatting and lint rules (#72)

Author: gregjopa

.eslintrc.json

@@ -0,0 +1,11 @@
+{
+  "env": {
+    "es2021": true
+  },
+  "extends": ["eslint:recommended"],
+  "parserOptions": {
+    "ecmaVersion": "latest",
+    "sourceType": "module"
+  },
+  "rules": {}
+}

.github/workflows/validate.yml

@@ -0,0 +1,27 @@
+name: validate
+on:
+  # run on push but only for the main branch
+  push:
+    branches:
+      - main
+  # run for every pull request
+  pull_request: {}
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⬇️ Checkout repo
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: ⎔ Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+
+      - name: 🧹 Check code formatting with Prettier
+        run: find . -name package.json -maxdepth 2 -type f -execdir npm run format:check ';'
+
+      - name: 👕 Lint Node.js code with ESLint
+        run: find . -name package.json -maxdepth 2 -type f -execdir npm run lint ';'

advanced-integration/package.json

@@ -7,7 +7,9 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "start": "node server/server.js",
-    "format": "npx prettier --write **.js"
+    "format": "npx prettier --write **.{js,md}",
+    "format:check": "npx prettier --check **.{js,md}",
+    "lint": "npx eslint server/*.js --env=node && npx eslint client/*.js --env=browser"
   },
   "license": "Apache-2.0",
   "dependencies": {

standard-integration/package.json

@@ -7,7 +7,9 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "start": "node server/server.js",
-    "format": "npx prettier --write **.js"
+    "format": "npx prettier --write **.{js,md}",
+    "format:check": "npx prettier --check **.{js,md}",
+    "lint": "npx eslint server/*.js --env=node && npx eslint client/*.js --env=browser"
   },
   "license": "Apache-2.0",
   "dependencies": {