Word-Number-Word 🔢 ↔️ 🔠

Convert numbers to words and words back to numbers — now with support for currency. Simple, accurate, and type-safe. Works seamlessly with JavaScript, TypeScript, Node.js, React, Next.js, and even from the CLI.

---

✨ Features

• 🔁 Bi-directional conversion
  • 42 → "forty-two"
  • "seven point five" → 7.5
• ✅ Supports integers, negatives, and decimal numbers
• 💰 Currency support (e.g., 10.25 ↔️ "ten dollars and twenty-five cents")
• 🌍 Handles numbers up to trillions
• 💻 Works with Node.js, browser environments, and CLI
• 📦 Built with TypeScript & supports ESM and CommonJS
• 🔧 Lightweight and dependency-free

---

📦 Installation

npm install word-number-word
# or
yarn add word-number-word

---

🚀 Usage

JavaScript / TypeScript

import {
  numberToWord,
  wordToNumber,
  currencyToWord,
  wordToCurrency,
} from "word-number-word";

// Basic usage
console.log(numberToWord(42)); // "forty-two"
console.log(wordToNumber("minus three")); // -3

// Currency support
console.log(currencyToWord(10.25, "usd")); // "ten dollars and twenty-five cents"
console.log(wordToCurrency("ten dollars and five cents", "usd")); // 10.05

CLI Usage

npx word-number-word 123
# Output: "one hundred twenty-three"

npx word-number-word "two thousand and five"
# Output: 2005

---

📚 API Reference

Function	Description	Example
numberToWord(num: number)	Converts a number to its word form	numberToWord(123) → "one hundred twenty-three"
wordToNumber(str: string)	Converts a word string into a number	wordToNumber("five") → 5
currencyToWord(num: number, currency)	Converts currency number to words (with major/minor units)	currencyToWord(4.5, "usd") → "four dollars and fifty cents"
wordToCurrency(str, currency)	Converts word form currency to number	wordToCurrency("ten dollars and five cents", "usd") → 10.05

Note: Currency codes supported "usd", "bdt", "eur", "gbp". Handles both "forty-two" and "forty two" formats.

---

🌐 Supported Environments

• ✅ Node.js (v14+)
• ✅ Modern Browsers
• ✅ TypeScript & JavaScript
• ✅ Frameworks: React, Next.js, Express, Vite, etc.
• ✅ CLI (via npx or install globally)

---

🧪 Examples

Input	Output
123	"one hundred twenty-three"
-99.5	"minus ninety-nine point five"
"fourteen"	14
"minus two"	-2
"three point one four"	3.14
currencyToWord(4.5, "usd")	"four dollars and fifty cents"
wordToCurrency("ten dollars and five cents", "usd")	10.05

---

🛠️ CLI Installation (Optional)

Install globally for quick conversions in your terminal:

npm install -g word-number-word

Then use it anywhere:

word-number-word 456
# → "four hundred fifty-six"

---

📄 License

MIT License © Hridoy Saha

---

🙌 Contributing

Contributions, suggestions, and improvements are welcome!
Feel free to open an issue or submit a pull request.

---

📫 Contact

For support or feedback, reach out via GitHub or LinkedIn.