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import React from 'dom-chef';
import {$} from 'select-dom';
import {AlertIcon} from '@primer/octicons-react';
import debounceFn from 'debounce-fn';
import * as pageDetect from 'github-url-detection';
import * as textFieldEdit from 'text-field-edit';
import delegate, {DelegateEvent} from 'delegate-it';
import features from '../feature-manager.js';
import {
prCommitUrlRegex,
preventPrCommitLinkLoss,
prCompareUrlRegex,
preventPrCompareLinkLoss,
discussionUrlRegex,
preventDiscussionLinkLoss,
} from '../github-helpers/prevent-link-loss.js';
import createBanner from '../github-helpers/banner.js';
const documentation = 'https://github.com/refined-github/refined-github/wiki/GitHub-markdown-linkifier-bug';
function handleButtonClick({currentTarget: fixButton}: React.MouseEvent<HTMLButtonElement>): void {
/* There's only one rich-text editor even when multiple fields are visible; the class targets it #4678 */
const field = fixButton.form!.querySelector('textarea.js-comment-field')!;
textFieldEdit.replace(field, prCommitUrlRegex, preventPrCommitLinkLoss);
textFieldEdit.replace(field, prCompareUrlRegex, preventPrCompareLinkLoss);
textFieldEdit.replace(field, discussionUrlRegex, preventDiscussionLinkLoss);
fixButton.parentElement!.remove();
}
function getUI(field: HTMLTextAreaElement, ...classes: string[]): HTMLElement {
return $('.rgh-prevent-link-loss-container', field.form!) ?? (createBanner({
icon: <AlertIcon className="m-0"/>,
text: (
<>
{' Your link may be '}
<a href={documentation} target="_blank" rel="noopener noreferrer" data-hovercard-type="issue">
misinterpreted
</a>
{' by GitHub.'}
</>
),
classes: ['flash-warn', 'rgh-prevent-link-loss-container', ...classes],
action: handleButtonClick,
buttonLabel: 'Fix link',
}));
}
function isVulnerableToLinkLoss(value: string): boolean {
// The replacement logic is not just in the regex, so it alone can't be used to detect the need for the replacement
return value !== value.replace(prCommitUrlRegex, preventPrCommitLinkLoss)
|| value !== value.replace(prCompareUrlRegex, preventPrCompareLinkLoss)
|| value !== value.replace(discussionUrlRegex, preventDiscussionLinkLoss);
}
const updateUI = debounceFn(({delegateTarget: field}: DelegateEvent<Event, HTMLTextAreaElement>): void => {
if (!isVulnerableToLinkLoss(field.value)) {
getUI(field).remove();
} else if (pageDetect.isNewIssue() || pageDetect.isNewRelease() || pageDetect.isCompare()) {
$('file-attachment', field.form!)!.append(
getUI(field, 'mt-2', 'mx-0', 'mx-md-2'),
);
} else {
$('.form-actions', field.form!)!.before(
getUI(field, 'mx-md-2', 'mb-2'),
);
}
}, {
wait: 300,
});
function init(signal: AbortSignal): void {
delegate([
'form:is(#new_issue, #new_release) textarea',
'form.js-new-comment-form textarea',
'textarea.comment-form-textarea',
].join(','), 'input', updateUI, {signal});
}
void features.add(import.meta.url, {
include: [
pageDetect.hasRichTextEditor,
],
init,
});
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