ci: add tests and workflow (#9)

This adds a simple unit test to help with merging in dependabot updates
mostly, as well as a CI workflow to run them.

.github/workflows/ci.yml

@@ -0,0 +1,18 @@
+name: Tests
+env:
+  UNSPLASH_APP_ID: ${{ secrets.UNSPLASH }}
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+      - name: Install dependencies
+        run: npm ci
+      - name: Run tests
+        run: npm run test

.prettierrc

@@ -0,0 +1,4 @@
+{
+  "arrowParens": "avoid",
+  "singleQuote": true
+}

gatsby-node.js

@@ -10,8 +10,8 @@ exports.sourceNodes = ({ actions }, { appId, collections, perPage = 10 }) => {
         .get(`https://api.unsplash.com/collections/${collection}/photos`, {
           params: {
             client_id: appId,
-            per_page: perPage
-          }
+            per_page: perPage,
+          },
         })
         .then(res => {
           res.data.map(photo => {
@@ -26,8 +26,8 @@ exports.sourceNodes = ({ actions }, { appId, collections, perPage = 10 }) => {
               internal: {
                 type: 'UnsplashPhoto',
                 contentDigest: digest,
-                mediaType: 'application/json'
-              }
+                mediaType: 'application/json',
+              },
             });
 
             createNode(node);