feat: add CI workflow, enhance ESLint config, and update VSCode settings and extensions

Author: DanielMarkiel

.github/workflows/ci.yml

@@ -0,0 +1,33 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+
+jobs:
+  test-and-lint:
+    name: Test, Lint & Typecheck
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run TypeScript type checking
+        run: npm run typecheck
+
+      - name: Run ESLint
+        run: npm run lint
+
+      - name: Run tests
+        run: npm test -- --watchAll=false --coverage

.vscode/extensions.json

@@ -1 +1,15 @@
-{ "recommendations": ["expo.vscode-expo-tools"] }
+{
+  "recommendations": [
+    "expo.vscode-expo-tools",
+    "dbaeumer.vscode-eslint",
+    "esbenp.prettier-vscode",
+    "yoavbls.pretty-ts-errors",
+    "mikestead.dotenv",
+    "eamodio.gitlens",
+    "streetsidesoftware.code-spell-checker",
+    "formulahendry.auto-close-tag",
+    "formulahendry.auto-rename-tag",
+    "lokalise.i18n-ally",
+    "ChakrounAnas.turbo-console-log"
+  ]
+}

.vscode/settings.json

@@ -4,7 +4,21 @@
     "source.organizeImports": "explicit",
     "source.sortMembers": "explicit"
   },
-  "i18n-ally.localesPaths": [
-    "src/i18n"
-  ]
+  "i18n-ally.localesPaths": ["src/i18n/data"],
+  "editor.tabSize": 2,
+  "editor.detectIndentation": false,
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "editor.formatOnSave": true,
+  "typescript.tsdk": "node_modules/typescript/lib",
+  "eslint.format.enable": true,
+  "[javascript][typescript][typescriptreact]": {
+    "editor.formatOnSave": true,
+    "editor.defaultFormatter": "dbaeumer.vscode-eslint",
+    "editor.codeActionsOnSave": ["source.fixAll.eslint"]
+  },
+  "[json][jsonc]": {
+    "editor.formatOnSave": true,
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  },
+  "cSpell.words": ["Flashlist"]
 }

README.md

@@ -37,7 +37,7 @@ To create a new project using this boilerplate template:
 4. **Configure environment**: Copy and configure your environment variables:
 
    ```bash
-   cp .env.example .env
+   cp .env.example .env.local
    ```
 
 5. **Initialize translations** (optional): If you plan to use internationalization:
@@ -59,7 +59,7 @@ To create a new project using this boilerplate template:
 2. Start the app
 
    ```bash
-   npx expo start
+   npm start
    ```
 
 In the output, you'll find options to open the app in a

eslint.config.js

@@ -0,0 +1,57 @@
+import { defineConfig } from 'eslint/config';
+import expoConfig from 'eslint-config-expo/flat.js';
+import eslintPluginPrettierRecommended from 'eslint-plugin-prettier/recommended';
+import testingLibrary from 'eslint-plugin-testing-library';
+import reactCompiler from 'eslint-plugin-react-compiler';
+
+export default defineConfig([
+  expoConfig,
+  eslintPluginPrettierRecommended,
+  reactCompiler.configs.recommended,
+  {
+    files: ['**/*.ts', '**/*.tsx'],
+    rules: {
+      'prettier/prettier': 'error',
+      'no-console': 'warn',
+
+      'react-hooks/exhaustive-deps': 'warn',
+      'react/display-name': 'off',
+      'react/react-in-jsx-scope': 'off',
+
+      'import/no-default-export': 'error',
+      'import/order': [
+        'error',
+        {
+          groups: [
+            ['external', 'builtin'],
+            ['parent', 'internal'],
+            ['index', 'sibling'],
+          ],
+          'newlines-between': 'always',
+        },
+      ],
+      '@typescript-eslint/no-explicit-any': 'error',
+      '@typescript-eslint/explicit-function-return-type': 'off',
+      '@typescript-eslint/no-empty-function': 'off',
+      '@typescript-eslint/explicit-module-boundary-types': 'off',
+    },
+  },
+  // Allow default exports for Expo Router files
+  {
+    files: ['src/app/**/*.ts', 'src/app/**/*.tsx'],
+    rules: {
+      'import/no-default-export': 'off',
+    },
+  },
+  // Testing Library rules for test files
+  {
+    files: ['**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[jt]s?(x)'],
+    plugins: { 'testing-library': testingLibrary },
+    rules: {
+      ...testingLibrary.configs.react.rules,
+    },
+  },
+  {
+    ignores: ['dist/*'],
+  },
+]);