Set up CI for Prettier, ESLint, Black

.github/workflows/black.yml

@@ -0,0 +1,14 @@
+name: Black
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: psf/black@stable

.github/workflows/eslint.yml

@@ -0,0 +1,28 @@
+name: ESLint
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [16.x]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+    - name: Install node dependencies
+      run: npm install
+    - name: Run ESLint
+      run: npm run ci-eslint

.github/workflows/prettier.yml

@@ -0,0 +1,30 @@
+name: Prettier
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [16.x]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+    - name: Install node dependencies
+      run: npm install
+    - name: Run Prettier
+      run: npm run ci-prettier

package.json

@@ -37,7 +37,9 @@
     "start": "react-scripts start",
     "build": "react-scripts build",
     "eject": "react-scripts eject",
-    "format": "prettier --check **/*.{ts,tsx}"
+    "format": "prettier --write **/*.{ts,tsx}",
+    "ci-prettier": "prettier --check **/*.{ts,tsx}",
+    "ci-eslint": "eslint **/*.{ts,tsx}"
   },
   "eslintConfig": {
     "extends": [