Microsoft/monaco-editor

[Feature Request] add highlighting for .diff/.patch

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#3967 opened on May 17, 2023

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feature-requestgrammarshelp wanted

Description

Context

  • This issue is not a bug report. (please use a different template for reporting a bug)
  • This issue is not a duplicate of an existing issue. (please use the search to find existing issues)

Description

So far that isn't included in the samples, so I guess it isn't available as a "plain" highlighter (handling comment/hint lines, giving the background of + / - a green/red style.

I came here checking if this is supported in monaco-editor as the PowerToys preview doesn't handle it - but it seems to be really missing here (if not, then it is missing in the examples).

Monaco Editor Playground Link

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Monaco Editor Playground Code

No response

Contributor guide

Tech stack
typescriptjavascript
Domain
developer experiencetooling
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Familiarity with Monaco Editor language registrationBasic JavaScript/TypeScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55
Research direction
Check existing language definitions in `src/language/` to understand the pattern for adding a new language. Look at how monarch tokens are defined. Consider using a TextMate grammar for diff if available. The issue requests highlighting for diff/patch files, including green/red background for +/ lines.