Add GitHub actions to this project (#20)

Author: leafty

.github/workflows/nodejs.yaml

@@ -0,0 +1,30 @@
+
+name: Node.js CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+
+    strategy:
+      matrix:
+        node-version: ['14', '16']
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+      - name: Build package
+        run: yarn build
+      - name: Run tests
+        run: yarn test

.github/workflows/pre-release.yaml

@@ -0,0 +1,42 @@
+
+name: Node.js Package Pre-Release
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Use Node.js LTS
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14'
+      - name: Install dependencies
+        run: yarn install
+      - name: Build package
+        run: yarn build
+      - name: Run tests
+        run: yarn test
+
+  publish-npm:
+    needs: build
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Use Node.js LTS
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14'
+          registry-url: https://registry.npmjs.org/
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+      - name: Build package
+        run: yarn build
+      - name: Publish
+        run: npm publish --access=public
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}

.github/workflows/publish.yaml

@@ -0,0 +1,43 @@
+
+name: Node.js Package
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Use Node.js LTS
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14'
+      - name: Install dependencies
+        run: yarn install
+      - name: Build package
+        run: yarn build
+      - name: Run tests
+        run: yarn test
+
+  publish-npm:
+    needs: build
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Use Node.js LTS
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14'
+          registry-url: https://registry.npmjs.org/
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+      - name: Build package
+        run: yarn build
+      - name: Publish
+        run: yarn publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}