@sparky/validator-lite

A lightweight, zero-dependency JavaScript validation library for modern web and Node.js applications.
Quickly validate emails, URLs, phone numbers, passwords, PAN, PIN codes, UUIDs, IP addresses, and more — all in one tiny utility.

🚀 Features

• 📧 isEmail — Basic email format validation
• 📱 isPhone — International phone number format
• 🌐 isURL — Validates HTTP/HTTPS/FTP URLs
• 🔒 isStrongPassword — Checks for uppercase, lowercase, digit, symbol, min length
• 📭 isEmpty — Checks if value is empty (string, object, array, null, etc.)
• 🔢 isNumeric — Validates integer/float strings
• 🔤 isAlpha / isAlphanumeric — Character-only or char+num strings
• 📏 isLength — Validates string length with min/max
• 📅 isDate — Checks if value is a valid date
• ✅ isBoolean — Accepts true/false, 0/1, "true"/"false"
• 🧾 isJSON — Checks for valid JSON strings
• 🧬 isUUID — Validates UUID v4
• 🎨 isHexColor — Hex color codes (#fff / #ffffff)
• 🧠 isIP — IPv4 and IPv6 address check
• 💳 isCreditCard — Basic pattern match for Visa, MasterCard, Amex, Discover
• 🇮🇳 isIndianPIN — Indian postal code (6-digit)
• 🇮🇳 isPAN — Indian PAN card format (e.g., ABCDE1234F)

📦 Installation

npm install @sparky002/validator-lite