Improve Github Actions

.github/workflows/check.yml

@@ -0,0 +1,40 @@
+name: Check
+
+on:
+  push:
+    branches:
+      - "master"
+  pull_request:
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        node-version: [15.x]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Cache node_modules
+        id: cache-node_modules
+        uses: actions/cache@v2
+        with:
+          path: node_modules
+          key: node_modules-${{ matrix.os }}-${{ matrix.node-version }}-${{ hashFiles('package-lock.json') }}
+
+      - name: npm ci
+        if: steps.cache-node_modules.outputs.cache-hit != 'true'
+        run: npm ci
+
+      - name: ESLint
+        run: npx --no-install eslint .
+
+      - name: Prettier
+        run: npx --no-install prettier --check .

.github/workflows/test.yml

@@ -0,0 +1,43 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - "master"
+  pull_request:
+
+jobs:
+  main:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+        node-version: [10.x, 12.x, 14.x, 15.x]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Cache node_modules
+        id: cache-node_modules
+        uses: actions/cache@v2
+        with:
+          path: node_modules
+          key: node_modules-${{ matrix.os }}-${{ matrix.node-version }}-${{ hashFiles('package-lock.json') }}
+
+      - name: npm ci
+        if: steps.cache-node_modules.outputs.cache-hit != 'true'
+        run: npm ci
+
+      - name: Jest
+        run: npx --no-install jest
+
+      - name: CLI sanity
+        run: npm run test:cli-sanity
+
+      - name: CLI sanity warning
+        run: npm run test:cli-sanity-warning

.prettierignore

@@ -1 +1,2 @@
 /test-config/
+.vscode