ci: add GitHub Actions workflow for continuous integration

Author: surunzi

.github/workflows/main.yml

@@ -0,0 +1,38 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: '18.x'
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+
+    - name: Install dependencies
+      run: npm install
+
+    - name: Run CI
+      run: npm run ci
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v3
+      with:
+        files: ./coverage/coverage-final.json
+        flags: unittests
+        name: codecov-umbrella
+        fail_ci_if_error: false

README.md

@@ -7,14 +7,14 @@
 # Eustia
 
 [![NPM version][npm-image]][npm-url]
-[![Build status][travis-image]][travis-url]
+[![Build status][ci-image]][ci-url]
 [![Test coverage][codecov-image]][codecov-url]
 [![License][license-image]][npm-url]
 
-[npm-image]: https://img.shields.io/npm/v/eustia?style=flat-square 
+[npm-image]: https://img.shields.io/npm/v/eustia?style=flat-square
 [npm-url]: https://npmjs.org/package/eustia
-[travis-image]: https://img.shields.io/travis/liriliri/eustia?style=flat-square
-[travis-url]: https://travis-ci.org/liriliri/eustia
+[ci-image]: https://img.shields.io/github/actions/workflow/status/liriliri/eustia/ci.yml?branch=master&style=flat-square
+[ci-url]: https://github.com/liriliri/eustia/actions/workflows/ci.yml
 [codecov-image]: https://img.shields.io/codecov/c/github/liriliri/eustia?style=flat-square
 [codecov-url]: https://codecov.io/github/liriliri/eustia?branch=master
 [license-image]: https://img.shields.io/npm/l/eustia?style=flat-square

doc/README_CN.md

@@ -5,13 +5,13 @@
 # Eustia
 
 [![NPM version][npm-image]][npm-url]
-[![Build status][travis-image]][travis-url]
+[![Build status][ci-image]][ci-url]
 [![License][license-image]][npm-url]
 
 [npm-image]: https://img.shields.io/npm/v/eustia.svg
 [npm-url]: https://npmjs.org/package/eustia
-[travis-image]: https://img.shields.io/travis/liriliri/eustia.svg
-[travis-url]: https://travis-ci.org/liriliri/eustia
+[ci-image]: https://img.shields.io/github/actions/workflow/status/liriliri/eustia/ci.yml?branch=master
+[ci-url]: https://github.com/liriliri/eustia/actions/workflows/ci.yml
 [license-image]: https://img.shields.io/npm/l/eustia.svg
 
 Eustia 是一个用于生成 JavaScript 函数库的工具。它能够扫描代码实时生成只包含所需方法的函数库。