add eslint and prettier

.editorconfig

@@ -0,0 +1,21 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+# Matches multiple files with brace expansion notation
+# Set default charset
+[*.{mjs,ts}]
+charset = utf-8
+indent_style = space
+indent_size = 2
+
+# Matches the exact files either package.json or .travis.yml
+[package.json]
+indent_style = space
+indent_size = 2

.prettierignore

@@ -0,0 +1 @@
+node_modules

.prettierrc

@@ -0,0 +1,6 @@
+{
+  "semi": true,
+  "tabWidth": 2,
+  "singleQuote": true,
+  "trailingComma": "es5"
+}

ecosystem.config.js

@@ -5,11 +5,11 @@ module.exports = {
       script: 'tsx src/index.ts --port=${PORT}',
       max_memory_restart: '300M',
       env_production: {
-        NODE_ENV: "production"
-     },
-     env_development: {
-        NODE_ENV: "development"
-     }
+        NODE_ENV: 'production',
+      },
+      env_development: {
+        NODE_ENV: 'development',
+      },
     },
   ],
 };

eslint.config.mjs

@@ -0,0 +1,12 @@
+import globals from 'globals';
+import pluginJs from '@eslint/js';
+import tsEslint from 'typescript-eslint';
+import eslintPluginPrettierRecommended from 'eslint-plugin-prettier/recommended';
+
+export default [
+  { files: ['**/*.{js,mjs,cjs,ts}'] },
+  { languageOptions: { globals: globals.node } },
+  pluginJs.configs.recommended,
+  ...tsEslint.configs.recommended,
+  eslintPluginPrettierRecommended,
+];

package.json

@@ -28,11 +28,18 @@
     "typescript": "^5.5.3"
   },
   "devDependencies": {
+    "@eslint/js": "^9.9.0",
     "@types/express": "^4.17.21",
     "@types/got": "^9.6.12",
     "@types/js-yaml": "^4.0.9",
     "@types/minimist": "^1.2.5",
-    "@types/morgan": "^1.9.9"
+    "@types/morgan": "^1.9.9",
+    "eslint": "^9.9.0",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-prettier": "^5.2.1",
+    "globals": "^15.9.0",
+    "prettier": "^3.3.3",
+    "typescript-eslint": "^8.1.0"
   },
   "engines": {
     "node": ">=22"

src/config.ts

@@ -2,6 +2,7 @@ import fs from 'fs';
 import path from 'path';
 import yaml from 'js-yaml';
 import minimist from 'minimist';
+import { IConfig } from '../types';
 
 const config = yaml.load(
   fs.existsSync('config.local.yml')

src/utils.ts

@@ -15,7 +15,10 @@ export const getCachedServer = (filePath: string) => {
   return srv;
 };
 
-export const printServedEndpoints = (port: number | string, urlPath: string) => {
+export const printServedEndpoints = (
+  port: number | string,
+  urlPath: string
+) => {
   try {
     const interfaces = os.networkInterfaces();
     const list = Object.keys(interfaces)
@@ -38,7 +41,9 @@ export const printServedEndpoints = (port: number | string, urlPath: string) =>
       );
     }
     console.log('--------------------------------------------');
-  } catch (error) {
+
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  } catch (e: unknown) {
     console.log('\n🚀 Serving!');
     console.log('--------------------------------------------');
     console.log(`Local: http://0.0.0.0:${port}/${urlPath}`);

types.ts

@@ -19,7 +19,7 @@ type TServer = {
   };
 };
 
-interface IConfig {
+export interface IConfig {
   PORT: number;
   CACHE_DIR: string;
   REPOSITORIES: TServer[];