travis -> github actions

mostly copied from executablebooks/thebe

includes npm-publish. Does not yet have a token in the secrets!

.github/workflows/npm-publish.yml

@@ -0,0 +1,22 @@
+# This workflow will run tests using node and then publish a package to GitHub Packages when a release is created
+# For more information see: https://help.github.com/actions/language-and-framework-guides/publishing-nodejs-packages
+
+name: upload-npm
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  publish-npm:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+          registry-url: https://registry.npmjs.org/
+      - run: npm ci
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.npm_token}}

.github/workflows/test.yml

@@ -0,0 +1,98 @@
+# Useful GitHub Actions docs:
+#
+# - https://help.github.com/en/actions
+# - https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
+# - https://help.github.com/en/actions/configuring-and-managing-workflows/configuring-a-workflow
+# - https://help.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions
+
+name: test
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  # Job to run linter / autoformat
+
+  lint:
+    runs-on: ubuntu-20.04
+    steps:
+      # Action Repo: https://github.com/actions/checkout
+      - name: "Checkout repo"
+        uses: actions/checkout@v2
+
+      # Action Repo: https://github.com/actions/setup-node
+      - name: "Setup Node"
+        uses: actions/setup-node@v1
+        with:
+          node-version: "14"
+
+      # Action Repo: https://github.com/actions/cache
+      - name: "Cache node_modules"
+        uses: actions/cache@v2
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-npm-${{ hashFiles('package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-
+
+      - name: "Install"
+        run: |
+          npm ci
+
+      - name: "`npm run fmt` and check for changes"
+        run: |
+          # If this fails, run `npm run fmt` and push the result
+          # amend if you feel so inclined.
+          npm run fmt
+          git diff --exit-code
+
+      - name: npm audit
+        run: |
+          # If this fails, run `npm audit fix`
+          npm audit --production --audit-level=moderate
+
+  test:
+    # no need to wait for lint
+    # needs: lint
+    runs-on: ubuntu-20.04
+    # - https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions#jobsjob_idstrategy
+    strategy:
+      fail-fast: false  # Do not cancel all jobs if one fails
+      matrix:
+        node_version:
+          - "10"
+          - "12"
+          - "14"
+          - "15"
+
+    steps:
+      - name: "Checkout repo"
+        uses: actions/checkout@v2
+
+      # Action Repo: https://github.com/actions/setup-node
+      - name: "Setup Node"
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node_version }}
+
+      # Action Repo: https://github.com/actions/cache
+      - name: "Cache node_modules"
+        uses: actions/cache@v2
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-npm-${{ hashFiles('package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-
+
+      - name: "Install dependencies"
+        run: |
+          npm ci
+
+      - name: "Run tests"
+        run: |
+          npm test
+
+      # Action Repo: https://github.com/codecov/codecov-action
+      - name: "Upload coverage to codecov"
+        uses: codecov/codecov-action@v1