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fix(web): bind clipboard writeText in CodeBox copy handler#772

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Sahilshrma31 wants to merge 1 commit intonodejs:mainfrom
Sahilshrma31:fix/web-codebox-copy-clipboard-binding
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fix(web): bind clipboard writeText in CodeBox copy handler#772
Sahilshrma31 wants to merge 1 commit intonodejs:mainfrom
Sahilshrma31:fix/web-codebox-copy-clipboard-binding

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Description

Fixes clipboard copy behavior in the web CodeBox by ensuring navigator.clipboard.writeText is called with the correct runtime context.

Previously, the component passed navigator.clipboard?.writeText as a direct method reference. In browser environments, invoking unbound DOM methods can fail with Illegal invocation, causing code-block copy actions to be unreliable. This change wraps the call in a function so copy operations execute consistently.

Validation

1.Updated copy handler to avoid passing an unbound Clipboard API method reference.
2.Verified copy works in browser after change.
3.No console errors observed during manual testing.

Related Issues

N/A

Check List

  • I have read the Contributing Guidelines and made commit messages that follow the guideline.
  • I have run node --run test and all tests passed.
  • I have check code formatting with node --run format & node --run lint.
  • I've covered new added functionality with unit tests if necessary.

@Sahilshrma31 Sahilshrma31 requested a review from a team as a code owner April 15, 2026 14:59
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cursor bot commented Apr 15, 2026

PR Summary

Low Risk
Low risk: a small UI bug fix that only changes how the clipboard copy callback is invoked, with no data model or security logic changes.

Overview
Fixes unreliable code-block copy in the web UI by changing CodeBox to call navigator.clipboard.writeText via a wrapper function (text => ...) instead of passing the unbound method reference, avoiding browser "Illegal invocation" errors.

Reviewed by Cursor Bugbot for commit 84e8418. Bugbot is set up for automated code reviews on this repo. Configure here.

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@araujogui araujogui left a comment

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It's the same thing -1

@Sahilshrma31
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It's the same thing -1

thanks for the feedback — that’s fair.

you’re right that my current pr description overstates this as a confirmed user-facing bug. my intent was to harden the copy handler by avoiding an unbound method reference, but i don’t have a reliable cross-browser repro to prove a concrete failure in this codepath

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@avivkeller avivkeller left a comment

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In browser environments, invoking unbound DOM methods can fail with Illegal invocation, causing code-block copy actions to be unreliable. This change wraps the call in a function so copy operations execute consistently.

I don't think this happens?

@Sahilshrma31
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In browser environments, invoking unbound DOM methods can fail with Illegal invocation, causing code-block copy actions to be unreliable. This change wraps the call in a function so copy operations execute consistently.

I don't think this happens?

thanks for pointing that out. i checked this, and the “illegal invocation” issue does occur when dom methods are called unbound (e.g., extracting a method and calling it separately)....so that part is valid, although it doesn’t apply in this specific case

@avivkeller avivkeller closed this Apr 15, 2026
@Sahilshrma31 Sahilshrma31 deleted the fix/web-codebox-copy-clipboard-binding branch April 15, 2026 21:35
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3 participants