one-linear-validator 🧪

🔍 A minimalist, dependency-free JavaScript validation library with one-liner functions for common input formats like Email, Phone, URL, Hex Color, Date, and Strong Passwords — returns clean structured results with error messages.

✨ Features

• ✅ Email validation
• 📱 Phone number validation
• 🌐 URL validation
• 🎨 Hex color code validation
• 📅 Date (YYYY-MM-DD) validation
• 🔒 Strong password checker (with custom rules)
• ⚡️ Lightweight & fast
• ❌ No external dependencies
• ✅ ESM support (Node.js & modern browsers)

📦 Installation

```bash npm install one-linear-validator or with yarn:

yarn add one-linear-validator

🚀 Usage

import { isEmail, isPhoneNumber, isURL, isHexColor, isDate, isStrongPassword, } from 'one-linear-validator';

console.log(isEmail('test@example.com')); // { valid: true }

console.log(isPhoneNumber('+1234567890')); // { valid: true }

console.log(isURL('https://example.com')); // { valid: true }

console.log(isHexColor('#ffcc00')); // { valid: true }

console.log(isDate('2024-05-06')); // { valid: true }

console.log(isStrongPassword('Password@123')); // { valid: true } 📚 API Reference Each validator returns an object:

{ valid: true } // or { valid: false, error: 'Reason here' } isEmail(str) Checks for a valid email format.

isPhoneNumber(str) Accepts international formats, with or without +.

isURL(str) Matches HTTP/HTTPS URLs, domains, optional port and path.

isHexColor(str) Supports #RGB, #RRGGBB, or without #.

isDate(str) Accepts date in YYYY-MM-DD format.

isStrongPassword(str, options?) Checks password strength with default or custom rules.

Options:

{ minLength: 8, uppercase: true, number: true, specialChar: true }

✅ Example with Custom Password Rules

isStrongPassword('abc123', { minLength: 6, uppercase: false, number: true, specialChar: false, }); 💡 Why one-linear-validator? ✅ Clean return values ✅ Simple integration ✅ Great for forms, APIs, and input sanitization ✅ Developer-friendly messages

🛠️ Contributing Pull requests and suggestions are welcome! Open an issue or fork and create a PR.

📄 License Licensed under the Apache-2.0 License.

🌐 Links 📦 NPM Page

🛠 GitHub Repo

Built with ❤️ by Muhammad Ahsan Raza