build: replace AppVeyor/Travis CI with GitHub Actions (#27)

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - v[0-9]+.[0-9]+.[0-9]+*
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [windows-latest, macOS-latest, ubuntu-latest]
+        node-version: [8.x, 10.x, 12.x]
+
+    steps:
+      - name: Fix git checkout line endings
+        run: git config --global core.autocrlf input
+      - uses: actions/checkout@v1
+      - name: Setup Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Cache node_modules
+        uses: actions/cache@v1
+        with:
+          path: node_modules
+          key: ${{ runner.OS }}-build-${{ hashFiles('**/package.json') }}
+          restore-keys: |
+            ${{ runner.OS }}-build-${{ env.cache-name }}-
+            ${{ runner.OS }}-build-
+            ${{ runner.OS }}-
+      - name: Install
+        run: npm install
+      - name: Lint
+        run: npm run lint
+      - name: Testsuite
+        run: npm run coverage
+      - name: Test TypeScript definition
+        run: npm run tsd
+      - name: Codecov
+        run: npm run codecov
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

package.json

@@ -39,7 +39,6 @@
   },
   "scripts": {
     "ava": "ava test/index.js",
-    "ci": "npm run lint && npm run coverage && npm run tsd",
     "codecov": "nyc report --reporter=text-lcov > coverage.lcov && codecov",
     "coverage": "nyc ava test/index.js",
     "lint": "eslint .",