react-component / react-component/util

injectCSS throw `This document requires 'TrustedHTML' assignment.`

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Dominant language
TypeScript
Stars
670
Forks
205
Avg merge
11d 17h
Merged PRs (30d)
4

Description

When trying to inject the Modal Component from antd design to Gmail page with a chrome extension, I have this error which broke the attempt.

image image

But if I edit the built output to wrap a try / catch around the line of code that create the problem then everything go smoothly

try {
styleNode.innerHTML = css;
} catch {
}

I am confused, this is preventing me from making my chrome extension work on Gmail.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the injectCSS entry point and the styleNode.innerHTML assignment in the source or built output. Reproduce the Chrome-extension case on Gmail and inspect existing CSS-injection tests, if any. Done means CSS injection no longer throws the TrustedHTML error while preserving normal injection behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
react, typescript
Domain
frontend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
28/100

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