Run tests on GitHub Actions

For some reason the CircleCI results aren't public - clicking the link from GitHub requires a login. I thought it might be easier to try running the tests on GitHub Actions.

.circleci/config.yml

@@ -1,19 +0,0 @@
-version: 2.1
-orbs:
-  node: circleci/node@1.1.6
-jobs:
-  build-and-test:
-    docker:
-      - image: 'circleci/node:latest-browsers'
-    executor:
-      name: node/default
-    steps:
-      - checkout
-      - node/with-cache:
-          steps:
-            - run: npm install
-            - run: npm test
-workflows:
-    build-and-test:
-      jobs:
-        - build-and-test

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - dev
+      - master
+  pull_request:
+
+jobs:
+  ci:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v2
+        with:
+          node-version: "15"
+
+      - uses: actions/cache@v2
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
+      - name: Install JavaScript dependencies
+        run: npm install --include=dev
+
+      - name: JavaScript build
+        run: npm test