lets start with coverage for app (#763)

* lets start with coverage for app

* lint

* better setup

Author: aaronmgdr

app/.codecov.yml

@@ -0,0 +1,53 @@
+codecov:
+  require_ci_to_pass: yes
+
+coverage:
+  precision: 2
+  round: down
+  range: '80...100'
+  status:
+    project:
+      default:
+        target: 80%
+        threshold: 5%
+    patch:
+      default:
+        target: 80%
+        threshold: 5%
+
+flags:
+  screens:
+    paths:
+      - 'src/screens/'
+  stores:
+    paths:
+      - 'src/stores/'
+  providers:
+    paths:
+      - 'src/providers/'
+  components:
+    paths:
+      - 'src/components/'
+  utils:
+    paths:
+      - 'src/utils/'
+  hooks:
+    paths:
+      - 'src/hooks/'
+  navigation:
+    paths:
+      - 'src/navigation/'
+  layouts:
+    paths:
+      - 'src/layouts/'
+
+ignore:
+  - 'src/mocks/**'
+  - 'src/types/**'
+  - 'src/**/*.d.ts'
+  - 'src/**/index.{ts,tsx}'
+  - 'src/**/*.test.{ts,tsx}'
+  - 'src/**/*.spec.{ts,tsx}'
+  - 'src/**/__tests__/**'
+  - 'src/**/__mocks__/**'
+  - 'tests/**'

app/.github/workflows/test-coverage.yml

@@ -0,0 +1,43 @@
+name: Test and Coverage
+
+on:
+  push:
+    branches: [main, dev]
+    paths:
+      - 'app/**'
+      - '.github/workflows/test-coverage.yml'
+  pull_request:
+    branches: [main, dev]
+    paths:
+      - 'app/**'
+      - '.github/workflows/test-coverage.yml'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: 'yarn'
+
+      - name: Install dependencies
+        run: |
+          yarn install
+          yarn build:deps
+        working-directory: ./app
+
+      - name: Run tests with coverage
+        run: yarn test:coverage:ci
+        working-directory: ./app
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          file: ./app/coverage/lcov.info
+          flags: screens,stores,providers,components,utils,hooks,navigation,layouts
+          token: ${{ secrets.CODECOV_TOKEN }}

app/package.json

@@ -45,6 +45,8 @@
     "tag:release": "node scripts/tag.js release",
     "tag:remove": "node scripts/tag.js remove",
     "test": "jest --passWithNoTests",
+    "test:coverage": "jest --coverage --passWithNoTests",
+    "test:coverage:ci": "jest --coverage --passWithNoTests --ci --coverageReporters=lcov --coverageReporters=text --coverageReporters=json",
     "test:fastlane": "bundle exec ruby -Itest fastlane/test/helpers_test.rb",
     "types": "tsc --noEmit",
     "web": "vite",