Fancy Text Formatter

A modern web tool to convert English text into stylish Unicode fonts (Bold Serif, Bold Sans, Italic Serif, Italic Sans) with a beautiful, Apple-inspired UI.

Features

• Convert English letters and numbers to four stylized Unicode formats
• Preserve all other characters (Chinese, punctuation, spaces, newlines)
• One-click copy for each result, with animated feedback
• Live character count (max 2000)
• Responsive, modern, colorful UI (no external UI libraries)

Tech Stack

• Next.js (App Router, React, TypeScript)
• Pure CSS (custom, no UI libraries)
• Unicode text transformation logic
• Deployed on Vercel

Deployment

This project is automatically deployed on Vercel.

To run locally:

npm install
npm run dev

Running Tests & Coverage

This project uses Jest with React Testing Library and ts-jest for unit testing.

• All test files are located in the tests/ directory.
• To run tests:

  npm test

• To run tests with coverage:

  npm run test:coverage

• To view a detailed coverage report, open coverage/lcov-report/index.html in your browser after running the coverage command.

Test Coverage

• 100% coverage for the core text transformation logic (fancyText.ts).
• You are encouraged to add more tests for UI components and other logic in the tests/ directory.

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Author: barnett-yuxiang