Merge pull request #24 from jupyterlite/lint

Add linting

.github/workflows/check-release.yml

@@ -1,9 +1,9 @@
 name: Check Release
 on:
   push:
-    branches: ["main"]
+    branches: ['main']
   pull_request:
-    branches: ["*"]
+    branches: ['*']
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
@@ -20,7 +20,6 @@ jobs:
       - name: Check Release
         uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v2
         with:
-
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Upload Distributions

.github/workflows/test.yml

@@ -30,10 +30,17 @@ jobs:
           node-version: 20
 
       - name: Install dependencies
-        run: npm install
+        run: |
+          npm install
 
       - name: Build
-        run: npm run build
+        run: |
+          npm run build
+
+      - name: Lint
+        run: |
+          npm run lint:check
 
       - name: Run tests
-        run: npm t
+        run: |
+          npm t

.gitignore

@@ -2,3 +2,4 @@ lib/
 node_modules/
 tsconfig.tsbuildinfo
 .coverage/
+.eslintcache

.prettierignore

@@ -0,0 +1,7 @@
+node_modules
+**/node_modules
+**/lib
+**/package.json
+**/package-lock.json
+!/package.json
+**/wasm/*.js

README.md

@@ -7,10 +7,12 @@ Intended for use in [JupyterLite](https://github.com/jupyterlite/jupyterlite).
 ```bash
 npm install
 npm run build
+npm run lint:check
 npm t
 ```
 
 To run single test file
+
 ```bash
 npm t -- tests/whatever.ts
 ```

jest.config.js

@@ -11,6 +11,7 @@ module.exports = {
   verbose: true,
   collectCoverage: true,
   coverageDirectory: '.coverage',
-  testEnvironment: "jsdom",
-  setupFilesAfterEnv: ["<rootDir>/tests/global_setup.ts"]
+  coveragePathIgnorePatterns: ['<rootDir>/node_modules/', '<rootDir>/src/wasm/'],
+  testEnvironment: 'jsdom',
+  setupFilesAfterEnv: ['<rootDir>/tests/global_setup.ts']
 };