source/features/patch-diff-links.tsx


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import './patch-diff-links.css';
import React from 'dom-chef';
import select from 'select-dom';
import * as pageDetect from 'github-url-detection';

import features from '.';

function init(): void {
	let commitUrl = location.pathname.replace(/\/$/, '');

	if (pageDetect.isPRCommit()) {
		commitUrl = commitUrl.replace(/\/pull\/\d+\/commits/, '/commit');
	}

	select('.commit-meta > :last-child')!.append(
		<span className="sha-block patch-diff-links">
			<a href={`${commitUrl}.patch`} className="sha">patch</a>
			{ ' ' /* Workaround for: JSX eats whitespace between elements */ }
			<a href={`${commitUrl}.diff`} className="sha">diff</a>
		</span>
	);
}

void features.add(__filebasename, {
	include: [
		pageDetect.isCommit
	],
	exclude: [
		pageDetect.isPRCommit404
	],
	init
});