replace travis with github actions

.github/workflows/deploy.yml

@@ -0,0 +1,46 @@
+name: deploy
+
+on:
+  push:
+    branches: [master]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v2-beta
+        with:
+          node-version: '14'
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Run tests
+        run: yarn test --coverage
+        env:
+          CI: true
+
+      - name: Build GitHub
+        run: yarn build
+
+      - name: Deploy GitHub
+        uses: JamesIves/github-pages-deploy-action@releases/v3
+        with:
+          GITHUB_TOKEN: ${{ github.token }}
+          BRANCH: gh-pages
+          FOLDER: build
+
+      - name: Build Perseids
+        run: yarn build
+        env:
+          PUBLIC_URL: /lsj
+
+      - name: Deploy Perseids
+        uses: JamesIves/github-pages-deploy-action@releases/v3
+        with:
+          GITHUB_TOKEN: ${{ github.token }}
+          BRANCH: perseids-build
+          FOLDER: build

.github/workflows/test.yml

@@ -0,0 +1,34 @@
+name: test
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v2-beta
+        with:
+          node-version: '14'
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Lint code
+        run: yarn lint
+
+      # Ideally yarn audit would be part of the CI flow
+      # but currently there is too much noise
+      # See e.g. https://github.com/facebook/create-react-app/issues/8529
+      # - name: Audit dependencies
+      #   - run: yarn audit
+
+      - name: Run tests
+        run: yarn test --coverage
+        env:
+          CI: true
+
+      - name: Build
+        run: yarn build

package.json

@@ -33,7 +33,7 @@
     "cleanup": "rm -rf node_modules/gh-pages/.cache",
     "build-dictionary": "node ./scripts/build-dictionary.js",
     "start": "react-app-rewired start",
-    "build": "react-app-rewired --max_old_space_size=4096 build && cp build/index.html build/404.html",
+    "build": "react-app-rewired --max-old-space-size=8192 build && cp build/index.html build/404.html",
     "lint": "eslint --ext=js --ext=jsx .",
     "test": "react-app-rewired test --env=jsdom",
     "eject": "react-app-rewired eject"