chore: set up eslint and prettier for code linting and formatting

Author: DPende

scrapegraph-js/.prettierignore

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

scrapegraph-js/.prettierrc.json

@@ -0,0 +1,11 @@
+{
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "es5",
+  "tabWidth": 2,
+  "useTabs": false,
+  "printWidth": 110,
+  "bracketSpacing": true,
+  "arrowParens": "always",
+  "quoteProps": "preserve"
+}

scrapegraph-js/eslint.config.js

@@ -0,0 +1,11 @@
+import globals from 'globals';
+import pluginJs from '@eslint/js';
+import eslintPluginPrettierRecommended from 'eslint-plugin-prettier/recommended';
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  { languageOptions: { globals: { ...globals.browser, ...globals.node } } },
+  pluginJs.configs.recommended,
+  eslintPluginPrettierRecommended,
+  { ignorePatterns: ['node_modules/'] },
+];

scrapegraph-js/package-lock.json

@@ -8,6 +8,10 @@
     "url": "https://github.com/ScrapeGraphAI/scrapegraph-sdk",
     "directory": "scrapegraph-js"
   },
+  "scripts": {
+    "format": "prettier --write --cache --cache-strategy metadata . !dist",
+    "lint": "eslint ."
+  },
   "license": "MIT",
   "homepage": "https://github.com/ScrapeGraphAI/scrapegraph-sdk/tree/main/scrapegraph-js",
   "keywords": [
@@ -27,6 +31,12 @@
     "zod": "^3.23.8"
   },
   "devDependencies": {
-    "dotenv": "^16.4.5"
+    "@eslint/js": "^9.16.0",
+    "dotenv": "^16.4.5",
+    "eslint": "^9.16.0",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-prettier": "^5.2.1",
+    "globals": "^15.12.0",
+    "prettier": "3.4.1"
   }
 }