fix(ci): switch to GitHub actions

.github/workflows/ci.yml

@@ -0,0 +1,40 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: ['12', '14']
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Node ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+      - name: Restore Yarn cache
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+      - name: Restore Lerna cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            node_modules
+            */*/node_modules
+          key: ${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
+      - run: yarn install --frozen-lockfile
+      - run: make bootstrap
+      - run: make packages-build
+      - run: make fmt-check
+      - run: make packages-lint
+      - run: make packages-tslint
+      - run: make packages-test

README.md

@@ -3,7 +3,7 @@
 [![Backers on Open Collective](https://opencollective.com/nivo/backers/badge.svg?style=flat-square)](#backers)
 [![Sponsors on Open Collective](https://opencollective.com/nivo/sponsors/badge.svg?style=flat-square)](#sponsors)
 [![License][license-image]][license-url]
-[![Travis CI][travis-image]][travis-url]
+[![GitHub Actions][actions-image]][actions-url]
 [![NPM version][npm-image]][npm-url]
 [![nivo channel on discord](https://img.shields.io/badge/discord-nivo-61dafb.svg?style=flat-square)](https://discord.gg/n7Ft74f)
 
@@ -95,7 +95,7 @@ your logo will show up here with a link to your website. [[Become a sponsor](htt
 [license-url]: https://github.com/plouc/nivo/blob/master/LICENSE.md
 [npm-image]: https://img.shields.io/npm/v/@nivo/core.svg?style=flat-square
 [npm-url]: https://www.npmjs.com/~nivo
-[travis-image]: https://img.shields.io/travis/plouc/nivo.svg?style=flat-square
-[travis-url]: https://travis-ci.org/plouc/nivo
+[actions-image]: https://img.shields.io/github/workflow/status/plouc/nivo/CI.svg?style=flat-square
+[actions-url]: https://github.com/plouc/nivo/actions
 [prettier-image]: https://img.shields.io/badge/styled_with-prettier-ff69b4.svg?style=flat-square
 [prettier-url]: https://github.com/prettier/prettier