Move to GitHub Actions (#124)

Ref Level/community#99

.github/workflows/test.yml

@@ -0,0 +1,31 @@
+name: Test
+on: [push, pull_request]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [6, 8, 10]
+    name: Node ${{ matrix.node }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Use node ${{ matrix.node }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: Install
+        run: npm install
+
+      - name: Test
+        run: npm test
+
+      - name: Coverage
+        run: npm run coverage
+
+      - name: Codecov
+        uses: codecov/codecov-action@v1
+        with:
+          file: coverage/lcov.info

README.md

@@ -5,9 +5,9 @@
 [![level badge][level-badge]](https://github.com/Level/awesome)
 [![npm](https://img.shields.io/npm/v/level-ws.svg?label=&logo=npm)](https://www.npmjs.com/package/level-ws)
 [![Node version](https://img.shields.io/node/v/level-ws.svg)](https://www.npmjs.com/package/level-ws)
-[![Travis](https://img.shields.io/travis/com/Level/level-ws.svg?logo=travis&label=)](https://travis-ci.com/Level/level-ws)
+[![Test](https://github.com/Level/level-ws/actions/workflows/test.yml/badge.svg)](https://github.com/Level/level-ws/actions/workflows/test.yml)
 [![npm](https://img.shields.io/npm/dm/level-ws.svg?label=dl)](https://www.npmjs.com/package/level-ws)
-[![Coverage Status](https://coveralls.io/repos/github/Level/level-ws/badge.svg)](https://coveralls.io/github/Level/level-ws)
+[![Coverage Status](https://codecov.io/gh/Level/level-ws/branch/master/graph/badge.svg)](https://codecov.io/gh/Level/level-ws)
 [![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com)
 [![Backers on Open Collective](https://opencollective.com/level/backers/badge.svg?color=orange)](#backers)
 [![Sponsors on Open Collective](https://opencollective.com/level/sponsors/badge.svg?color=orange)](#sponsors)

package.json

@@ -6,7 +6,7 @@
   "main": "level-ws.js",
   "scripts": {
     "test": "standard && hallmark && nyc node test.js",
-    "coverage": "nyc report --reporter=text-lcov | coveralls",
+    "coverage": "nyc report -r lcovonly",
     "hallmark": "hallmark --fix",
     "dependency-check": "dependency-check . test.js",
     "prepublishOnly": "npm run dependency-check"
@@ -17,7 +17,6 @@
     "xtend": "^4.0.1"
   },
   "devDependencies": {
-    "coveralls": "^3.0.1",
     "dependency-check": "^3.3.0",
     "hallmark": "^3.1.0",
     "level": "^6.0.0",