ci: change Travis to GitHub actions (#189)

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: 'ci'
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  ci:
+    runs-on: 'ubuntu-latest'
+    steps:
+      - uses: 'actions/checkout@v2'
+
+      - name: 'Use Node.js'
+        uses: 'actions/setup-node@v2.4.0'
+        with:
+          node-version: 'lts/*'
+
+      - name: 'Cache Node dependencies'
+        uses: 'actions/cache@v2.1.6'
+        with:
+          path: '~/.npm'
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
+      - name: 'Install dependencies'
+        run: 'npm install'
+
+      - name: 'Run tests'
+        run: 'npm test'

.npmignore

@@ -1,2 +1 @@
-.travis.yml
 test/

README.md

@@ -1,7 +1,7 @@
-# eslint-config-standard [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+# eslint-config-standard [![CI][ci-image]][ci-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
 
-[travis-image]: https://img.shields.io/travis/standard/eslint-config-standard/master.svg
-[travis-url]: https://travis-ci.org/standard/eslint-config-standard
+[ci-image]: https://github.com/standard/eslint-config-standard/actions/workflows/ci.yml/badge.svg?branch=master
+[ci-url]: https://github.com/standard/eslint-config-standard/actions/workflows/ci.yml
 [npm-image]: https://img.shields.io/npm/v/eslint-config-standard.svg
 [npm-url]: https://npmjs.org/package/eslint-config-standard
 [downloads-image]: https://img.shields.io/npm/dm/eslint-config-standard.svg