Microsoft/monaco-editor

Paste menu item doesn't work in sandboxed item

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#2,264 opened on Dec 14, 2020

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feature-requesthelp wantedintegration

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Description

We use monaco editor in an iframe sandbox that doesn't permit the navigation.clipboard API. (We don't own the parent frame). So the ctrl + V paste option work but the Paste option in the context menu doesn't work because the frame doesn't allow it.

Is it possible to change the implementation of the paste menu context item so it'll work like the ctrl + v shortcut? Paste menu item: image

Sandbox: pic2

Contributor guide

Research direction
Investigate the implementation of the paste context menu item in the Monaco Editor codebase. Compare it with the Ctrl+V shortcut handler. Identify how the clipboard API is used in the menu action and propose a fallback or alternative that works in sandboxed iframes (e.g., using a hidden textarea or document.execCommand('paste')). Check for existing similar issues or PRs.
Tech stack
javascripttypescript
Domain
frontend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitJavaScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70