Move testing from Travis to GitHub Actions (#38)

Author: dsagal

.github/workflows/build-and-test.yml

@@ -0,0 +1,31 @@
+name: Build and test
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version:
+          - 12
+          - 14
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - run: npm install
+      - run: npm run build
+      - run: npm test
+
+      - uses: codecov/codecov-action@v1
+        with:
+          file: ./coverage/lcov.info

.travis.yml

@@ -1,7 +1,8 @@
 # GrainJS
 
 [![npm version](https://badge.fury.io/js/grainjs.svg)](https://badge.fury.io/js/grainjs)
-[![Build Status](https://travis-ci.org/gristlabs/grainjs.svg?branch=master)](https://travis-ci.org/gristlabs/grainjs)
+[![Build status](https://github.com/gristlabs/grainjs/actions/workflows/build-and-test.yml/badge.svg)](https://github.com/gristlabs/grainjs/actions/workflows/build-and-test.yml)
+[![codecov](https://codecov.io/gh/gristlabs/grainjs/branch/master/graph/badge.svg?token=1OIMMBLI6N)](https://codecov.io/gh/gristlabs/grainjs)
 
 GrainJS is a Javascript (and TypeScript) library for building highly performant dynamic
 applications.

README.md

@@ -44,6 +44,7 @@
   },
   "homepage": "https://github.com/gristlabs/grainjs#readme",
   "nyc": {
+    "reporter": ["html", "text", "lcov"],
     "extension": [
       ".ts"
     ],