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@chopsui/trusted-types-policy

v0.3.6

Published

Creates a secure TrustedTypes policy using DOMPurify as the sanitizer.

Downloads

12

Readme

Trusted Types Policy

Purpose

This package contains a function that creates a trusted types policy for HTML and JavaScript UIs which are using React (or any other framework) to protect from insecure usage of dangerouslySetInnerHTML either by the devs or any package/library that the project is using. If TrustedTypes are not supported by the browser it will fall back to the polyfill, see support here.

Usage

  1. Add this meta tag line to your main HTML/template file, or all of them if you have multiple in the <head> tag.

    <meta http-equiv="Content-Security-Policy" content="require-trusted-types-for 'script'">
  2. Call this method in your entry point ts file (for React that will be index.tsx or index.ts)

    import createInnerHTMLSanitizingPolicy from '@chopsui/trusted-types-policy';
    
    createInnerHTMLSanitizingPolicy();

This should create a Trusted Types policy and any HTML string being insterted will be converted to a trusted type element.