Replace Travis CI with Github Actions

Author: blakeembrey

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+on:
+  - push
+  - pull_request
+jobs:
+  test:
+    name: Node.js ${{ matrix.node-version }}
+    runs-on: macos-latest
+    strategy:
+      matrix:
+        node-version:
+          - "10"
+          - "12"
+          - "14"
+          - "*"
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - uses: actions/cache@v2
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+      - run: npm install -g npm@7
+      - run: npm ci
+      - run: npm test
+      - uses: codecov/codecov-action@v1
+        with:
+          name: Node.js ${{ matrix.node-version }}

.travis.yml

@@ -2,8 +2,8 @@
 
 [![NPM version][npm-image]][npm-url]
 [![NPM downloads][downloads-image]][downloads-url]
-[![Build status][travis-image]][travis-url]
-[![Test coverage][coveralls-image]][coveralls-url]
+[![Build status][build-image]][build-url]
+[![Build coverage][coverage-image]][coverage-url]
 
 > Stringify is to `eval` as `JSON.stringify` is to `JSON.parse`.
 
@@ -111,11 +111,11 @@ module.exports = (objectToStringify) => {
 
 MIT
 
-[npm-image]: https://img.shields.io/npm/v/javascript-stringify.svg?style=flat
+[npm-image]: https://img.shields.io/npm/v/javascript-stringify
 [npm-url]: https://npmjs.org/package/javascript-stringify
-[downloads-image]: https://img.shields.io/npm/dm/javascript-stringify.svg?style=flat
+[downloads-image]: https://img.shields.io/npm/dm/javascript-stringify
 [downloads-url]: https://npmjs.org/package/javascript-stringify
-[travis-image]: https://img.shields.io/travis/blakeembrey/javascript-stringify.svg?style=flat
-[travis-url]: https://travis-ci.org/blakeembrey/javascript-stringify
-[coveralls-image]: https://img.shields.io/coveralls/blakeembrey/javascript-stringify.svg?style=flat
-[coveralls-url]: https://coveralls.io/r/blakeembrey/javascript-stringify?branch=master
+[build-image]: https://img.shields.io/github/workflow/status/blakeembrey/javascript-stringify/CI/main
+[build-url]: https://github.com/blakeembrey/javascript-stringify/actions/workflows/ci.yml?query=branch%3Amain
+[coverage-image]: https://img.shields.io/codecov/c/gh/blakeembrey/javascript-stringify
+[coverage-url]: https://codecov.io/gh/blakeembrey/javascript-stringify