source/features/format-discussion-titles.tsx


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import select from 'select-dom';
import zipTextNodes from 'zip-text-nodes';
import features from '../libs/features';
import observeEl from '../libs/simplified-element-observer';
import parseBackticks from '../libs/parse-backticks';
import {linkifyIssuesInDom} from './linkify-urls-in-code';

function init(): void {
	observeEl(
		select('#partial-discussion-header')!.parentElement!,
		() => {
			for (const title of select.all('.js-issue-title:not(.rgh-formatted-title)')) {
				if (title) {
					title.classList.add('rgh-formatted-title');
					linkifyIssuesInDom(title);

					const fragment = parseBackticks(title.textContent!);

					if (fragment.children.length > 0) {
						zipTextNodes(title, fragment);
					}
				}
			}
		});
}

features.add({
	id: __featureName__,
	description: 'Make issue/PR references in issue/PR titles clickable and parse `code in backticks` that appear as Markdown',
	screenshot: 'https://user-images.githubusercontent.com/22439276/58927232-71ae2780-876b-11e9-941e-bb56a7389123.png',
	include: [
		features.isPR,
		features.isIssue
	],
	load: features.onAjaxedPages,
	init
});