prettify+eslint codebase

.github/blunderbuss.yml

@@ -15,4 +15,4 @@
 assign_issues:
   - googlemaps/devrel
 assign_prs:
-  - googlemaps/devrel
+  - googlemaps/devrel

.github/dependabot.yml

@@ -20,4 +20,4 @@ updates:
       interval: "weekly"
     ignore:
       - dependency-name: "three"
-      - dependency-name: "@types/three"
+      - dependency-name: "@types/three"

.github/header-checker-lint.yml

@@ -14,4 +14,4 @@ sourceFileExtensions:
   - .sh
   - .swift
   - .ts
-  - .yml
+  - .yml

.github/snippet-bot.yml

@@ -1,3 +1,3 @@
 alwaysCreateStatusCheck: true
 ignoreFiles:
-- "samples/*.sh"
+  - "samples/*.sh"

.github/workflows/approve-merge.yml

@@ -36,7 +36,7 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.head.ref }} # Checkout the PR's head commit
           token: ${{ secrets.GH_MERGE_TOKEN }}
-          
+
       - name: Approve PR
         run: gh pr review --approve "$PR_URL"
         env:

.github/workflows/dist-pr.yml

@@ -18,7 +18,7 @@ on:
   workflow_dispatch:
     inputs:
       source_run_id:
-        description: 'ID of the upstream workflow run that triggered this'
+        description: "ID of the upstream workflow run that triggered this"
         required: false
         type: string
 

.github/workflows/release.yml

@@ -19,7 +19,7 @@ on:
     branches:
       - main
     paths:
-      - 'samples/**'
+      - "samples/**"
 
 jobs:
   release:
@@ -51,7 +51,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: '24.x'
+          node-version: "24.x"
 
       - run: npm i
 
@@ -93,7 +93,7 @@ jobs:
             echo "  - samples/$workspace"
             rm -rf dist/samples/$workspace
           done
-          
+
       - name: Generate Index
         run: bash samples/generate-index.sh
 
@@ -130,6 +130,6 @@ jobs:
         uses: benc-uk/workflow-dispatch@v1
         with:
           workflow: dist-pr.yml
-          ref: 'temp-build-branch'
+          ref: "temp-build-branch"
           token: ${{ secrets.GH_APPROVER_TOKEN }} # Use the same token that pushed, it needs 'workflows: write' permissions
           inputs: '{ "source_run_id": "${{ github.run_id }}" }' # Optional: Pass the run ID for traceability

.github/workflows/playwright.yml → .github/workflows/tests.yml

@@ -12,24 +12,24 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-name: Playwright Tests
+name: Tests
 
 on:
   pull_request:
     types: [opened, synchronize, edited]
     paths:
-      - 'samples/**'
-      - 'e2e/samples.spec.ts'
-      - 'playwright.config.ts'
-      - 'package.json'
+      - "samples/**"
+      - "e2e/samples.spec.ts"
+      - "playwright.config.ts"
+      - "package.json"
   push:
     branches:
       - main
     paths:
-      - 'samples/**'
-      - 'e2e/samples.spec.ts'
-      - 'playwright.config.ts'
-      - 'package.json'
+      - "samples/**"
+      - "e2e/samples.spec.ts"
+      - "playwright.config.ts"
+      - "package.json"
   schedule:
     - cron: "0 12 * * *"
 
@@ -74,7 +74,7 @@ jobs:
         if: env.HAS_CHANGES == 'true'
         uses: actions/setup-node@v4
         with:
-          node-version: '24.x'
+          node-version: "24.x"
 
       - name: Cache npm dependencies
         if: env.HAS_CHANGES == 'true'
@@ -111,14 +111,14 @@ jobs:
       - name: Install Playwright Browsers
         if: steps.playwright-cache.outputs.cache-hit != 'true' && env.HAS_CHANGES == 'true'
         run: npx playwright install chromium --with-deps
-      
+
       - name: Build Changed Workspaces
         if: env.HAS_CHANGES == 'true'
         run: |
           IFS=$'\n'
           CHANGED_WORKSPACES_ARRAY=(${STEPS_GET_WORKSPACES_OUTPUTS_CHANGED_WORKSPACES})
           echo "Changed Workspaces Array: ${CHANGED_WORKSPACES_ARRAY[@]}"
-          
+
           echo "Building changed workspaces:"
           for workspace in "${CHANGED_WORKSPACES_ARRAY[@]}"; do
             echo "  - samples/$workspace"
@@ -133,6 +133,18 @@ jobs:
           env.HAS_CHANGES == 'true' ||
           contains(github.event.pull_request.paths.*, 'samples/generate-index.sh')
 
+      - name: Prettier Check
+        if: env.HAS_CHANGES == 'true'
+        run: npx prettier ./samples/ --check --log-level warn
+        env:
+          CI: true
+
+      - name: ESLint Check
+        if: env.HAS_CHANGES == 'true'
+        run: npx eslint
+        env:
+          CI: true
+
       - name: Run All Playwright Tests
         if: env.HAS_CHANGES == 'true'
         run: npx playwright test e2e/samples.spec.ts
@@ -162,7 +174,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '24.x'
+          node-version: "24.x"
 
       - name: Cache npm dependencies
         uses: actions/cache@v4

.prettierignore

@@ -0,0 +1,4 @@
+index.html
+package.json
+package-lock.json
+dist

.prettierrc.json

@@ -0,0 +1,22 @@
+{
+  "trailingComma": "es5",
+  "tabWidth": 4,
+  "semi": true,
+  "singleQuote": true,
+  "bracketSameLine": true,
+  "overrides": [
+    {
+      "files": "*.json",
+      "options": {
+        "tabWidth": 2
+      }
+    },
+    {
+      "files": "*.yml",
+      "options": {
+        "tabWidth": 2,
+        "singleQuote": false
+      }
+    }
+  ]
+}

README.md

@@ -6,13 +6,13 @@ Welcome to the js-api-samples repository, the home of Google Maps JavaScript API
 
 ## Important Note: Repository Migration in Progress
 
-This repository (`js-api-samples`) is the new home for the Maps JavaScript API samples. 
+This repository (`js-api-samples`) is the new home for the Maps JavaScript API samples.
 
 We are currently migrating all samples from the old repository (`js-samples`). During this transition,
 you may find some samples are still missing or under development.
 
-* [**js-samples GitHub Repository:**](https://github.com/googlemaps/js-samples)
-* [**Maps JavaScript API Documentation:**](https://developers.google.com/maps/documentation/javascript/)
+- [**js-samples GitHub Repository:**](https://github.com/googlemaps/js-samples)
+- [**Maps JavaScript API Documentation:**](https://developers.google.com/maps/documentation/javascript/)
 
 We appreciate your patience as we complete this migration. Please check back regularly for updates.
 
@@ -25,11 +25,11 @@ Each example is one atomic unit, for which dependencies must be individually set
 ### Build samples
 
 1. Run `npm i` to install dependencies. You only need to do this once, and
-thereafter only to update dependencies.
+   thereafter only to update dependencies.
 1. Navigate to the top level (`samples/`).
 
-  - To build a single sample, run `npm run build --workspace=sample-name/`
-  - To build all samples, run `npm run build-all`.
+- To build a single sample, run `npm run build --workspace=sample-name/`
+- To build all samples, run `npm run build-all`.
 
 Build output is copied to the main `dist/` folder. Each individual sample folder
 also contains a `dist/` folder, but this is only used by Vite for live preview.
@@ -57,7 +57,7 @@ This library is not a Google Maps Platform Core Service. Therefore, the Google M
 
 This library is offered via an open source [license](https://www.apache.org/licenses/LICENSE-2.0). It is not governed by the Google Maps Platform Support [Technical Support Services Guidelines](https://cloud.google.com/maps-platform/terms/tssg), the [SLA](https://cloud.google.com/maps-platform/terms/sla), or the [Deprecation Policy](https://cloud.google.com/maps-platform/terms) (however, any Google Maps Platform services used by the library remain subject to the Google Maps Platform Terms of Service).
 
-This library adheres to [semantic versioning](https://semver.org/) to indicate when backwards-incompatible changes are introduced. Accordingly, while the library is in version 0.x, backwards-incompatible changes may be introduced at any time. 
+This library adheres to [semantic versioning](https://semver.org/) to indicate when backwards-incompatible changes are introduced. Accordingly, while the library is in version 0.x, backwards-incompatible changes may be introduced at any time.
 
 If you find a bug, or have a feature request, please [file an issue]() on GitHub. If you would like to get answers to technical questions from other Google Maps Platform developers, ask through one of our [developer community channels](https://developers.google.com/maps/developer-community). If you'd like to contribute, please check the [Contributing guide]().