chore: add GitHub Actions (#21)

Signed-off-by: Diana Lau <[email protected]>

Author: dhmlau

.github/workflows/continuous-integration.yaml

@@ -0,0 +1,56 @@
+name: Continuous Integration
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+        node-version: [12, 14, 16]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm install
+      - run: npm test
+  code-lint:
+    name: Code Lint
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js 14
+        uses: actions/setup-node@v2
+        with:
+          node-version: 14
+      - name: Bootstrap project
+        run: |
+          npm ci --ignore-scripts
+      - name: Verify code linting
+        run: npm run lint
+
+  commit-lint:
+    name: Commit Lint
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Use Node.js 14
+        uses: actions/setup-node@v2
+        with:
+          node-version: 14
+      - name: Bootstrap project
+        run: |
+          npm ci --ignore-scripts
+      - name: Verify commit linting
+        run: npx commitlint --from origin/master --to HEAD --verbose

.npmrc

@@ -0,0 +1 @@
+package-lock=true

commitlint.config.js

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+// Copyright IBM Corp. 2017,2021. All Rights Reserved.
+// Node module: loopback-connector-openapi
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+'use strict';
+
+const isCI = process.env.CI;
+module.exports = {
+  extends: [
+    '@commitlint/config-conventional',
+  ],
+  rules: {
+    'header-max-length': [2, 'always', 100],
+    'body-leading-blank': [2, 'always'],
+    'footer-leading-blank': [0, 'always'],
+    // Only enforce the rule if CI flag is not set. This is useful for release
+    // commits to skip DCO
+    'signed-off-by': [isCI ? 0 : 2, 'always', 'Signed-off-by:'],
+  },
+};