feat(gateway): configure ESLint and update linting scripts

Author: Lasim

.github/workflows/gateway-release-pr.yml

@@ -57,11 +57,7 @@ jobs:
 
       - name: Gateway Lint
         working-directory: services/gateway
-        run: npm run lint || echo "Linting not configured yet, skipping"
-        
-      - name: Check for console.log in gateway
-        working-directory: services/gateway
-        run: npm run check:no-console || echo "Console check not configured yet, skipping"
+        run: npm run lint
 
       - name: Prepare release
         working-directory: services/gateway

services/gateway/.release-it.js

@@ -13,7 +13,7 @@ module.exports = {
     "publish": false // We handle npm publishing separately in the workflow
   },
   "hooks": {
-    "before:init": ["echo 'Preparing gateway release...'"],
+    "before:init": ["npm run lint"],
     "after:bump": "npm run build",
     "after:release": "echo 'Gateway ${version} released!'"
   },

services/gateway/eslint.config.ts

@@ -0,0 +1,35 @@
+// services/gateway/eslint.config.ts
+import ts from '@typescript-eslint/eslint-plugin';
+import tsParser from '@typescript-eslint/parser';
+
+const config = [
+  {
+    files: ['**/*.ts'],
+    ignores: ['**/node_modules/**', '**/dist/**', '**/._*.ts'],
+    languageOptions: {
+      parser: tsParser,
+      parserOptions: {
+        project: './tsconfig.json',
+        ecmaVersion: 2022,
+        sourceType: 'module',
+      },
+    },
+    plugins: {
+      '@typescript-eslint': ts,
+    },
+    rules: {
+      ...ts.configs.recommended.rules,
+      // CLI-specific adjustments
+      '@typescript-eslint/no-explicit-any': 'warn',
+      '@typescript-eslint/explicit-function-return-type': 'off',
+      '@typescript-eslint/explicit-module-boundary-types': 'off',
+      '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
+      // Console statements are essential for CLI user interaction
+      'no-console': 'off',
+      // Allow process.exit() in CLI applications
+      'no-process-exit': 'off',
+    },
+  }
+];
+
+export default config;

services/gateway/package.json

@@ -12,9 +12,8 @@
     "dev": "ts-node-dev --respawn src/index.ts",
     "link": "npm run build && npm link",
     "release": "release-it --config=.release-it.js",
-    "lint": "echo 'Linting not configured yet'",
-    "test:unit": "echo 'Tests not implemented yet'",
-    "check:no-console": "echo 'Console check not configured yet'"
+    "lint": "eslint --config eslint.config.ts 'src/**/*.ts' --fix",
+    "test:unit": "echo 'Tests not implemented yet'"
   },
   "keywords": [
     "mcp",
@@ -32,6 +31,10 @@
     "ts-node-dev": "^2.0.0",
     "typescript": "^5.3.3",
     "@release-it/conventional-changelog": "^10.0.1",
-    "release-it": "^19.0.4"
+    "release-it": "^19.0.4",
+    "@typescript-eslint/eslint-plugin": "^8.36.0",
+    "@typescript-eslint/parser": "^8.38.0",
+    "eslint": "^9.31.0",
+    "typescript-eslint": "^8.38.0"
   }
 }