Question 1

How to integrate diff2html with a React application?

Accepted Answer

Install the NPM package, import diff2html, parse your diff string, and render the HTML output using dangerouslySetInnerHTML in a component. Don't forget to include the required CSS from CDN or via imports for styling.

Question 2

diff2html vs jsdiff: which is better for visualizing diffs?

Accepted Answer

diff2html is focused on generating styled, interactive HTML diffs with a full UI, while jsdiff is a lower-level library for computing diffs. Choose diff2html for ready-to-use visualizations; use jsdiff if you need custom diff algorithms and rendering control.

Question 3

How to enable dark mode in diff2html?

Accepted Answer

Set the 'colorScheme' configuration option to 'dark' or 'auto', and ensure you load appropriate highlight.js CSS themes for dark mode. The README provides examples for handling both light and dark themes with media queries.

Question 4

Can diff2html handle Git diff output directly from the command line?

Accepted Answer

Yes, diff2html is designed to parse standard Git diff output without modification. Just pass the raw diff string to the library, and it will generate HTML, supporting common Git diff features like file renames and patches.

Question 5

What are the performance limits for large diffs in diff2html?

Accepted Answer

Performance can degrade with diffs exceeding thousands of lines or very long lines. The README recommends disabling line matching or using 'diffMaxChanges' and 'diffMaxLineLength' options to mitigate issues, but this may reduce functionality.

Question 6

How to customize the templates in diff2html?

Accepted Answer

Use the 'rawTemplates' or 'compiledTemplates' configuration options to override default HTML templates. This allows you to modify the structure, styling, or labels to match your application's design, though it requires familiarity with Hogan.js templates.

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