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Last updated: April 13, 2026

HTML Encoder for TypeScript Developers

Quick Answer

DevToolHQ's html encoder works great alongside TypeScript. Use it to quickly html encoder during development, then integrate the pattern into your TypeScript codebase using the code example below.

Use Cases in TypeScript

  • 1.Use HTML Encoder in TypeScript projects

TypeScript Code Example

TypeScript
// Type-safe HTML encoding
function escapeHTML(unsafe: string): string {
  return unsafe
    .replace(/&/g, '&')
    .replace(/</g, '&lt;')
    .replace(/>/g, '&gt;')
    .replace(/"/g, '&quot;')
    .replace(/'/g, '&#039;');
}

// Branded type for safe HTML strings
declare const _safe: unique symbol;
type SafeHTML = string & { readonly [_safe]: 'SafeHTML' };

function safe(html: string): SafeHTML {
  return escapeHTML(html) as SafeHTML;
}

// React equivalent: use dangerouslySetInnerHTML carefully
// const html: SafeHTML = safe(userInput);

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