chore: add test coverage measurement

.github/workflows/validate-pr.yml

@@ -41,7 +41,14 @@ jobs:
       - name: Lint
         run: yarn lint
       - name: Test
-        run: yarn test
+        run: yarn test:coverage
+      - name: Upload coverage report
+        if: ${{ always() && matrix.os == 'ubuntu-latest' }}
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        with:
+          name: coverage-report
+          path: coverage/
+          if-no-files-found: warn
       - name: Build app/
         run: yarn build
         env:

.gitignore

@@ -25,6 +25,7 @@ supportedVersions.jwt
 localdev/
 
 # caches and temp
+/coverage
 jest_dx/
 node-compile-cache/
 coderabbit-update-*/

jest.config.js

@@ -1,4 +1,15 @@
 module.exports = {
+  collectCoverageFrom: [
+    'src/**/*.{ts,tsx}',
+    '!src/**/*.spec.{ts,tsx}',
+    '!src/**/*.test.{ts,tsx}',
+    '!src/**/*.d.ts',
+    '!src/.jest/**',
+    '!src/public/**',
+  ],
+  coverageReporters: ['text-summary', 'lcov', 'json-summary'],
+  coverageDirectory: 'coverage',
+  coveragePathIgnorePatterns: ['/node_modules/', '/app/', '/dist/'],
   projects: [
     {
       preset: 'ts-jest',

package.json

@@ -41,6 +41,7 @@
     "release": "yarn electron-builder --publish onTagOrDraft --x64",
     "install-app-deps": "electron-builder install-app-deps",
     "test": "xvfb-maybe jest --forceExit --detectOpenHandles --maxWorkers=1",
+    "test:coverage": "xvfb-maybe jest --coverage --forceExit --detectOpenHandles --maxWorkers=1",
     "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s",
     "lint": "run-s .:lint:eslint .:lint:tsc",
     ".:lint:eslint": "eslint .",