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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 {onCommentFieldKeydown, onConversationTitleFieldKeydown, onCommitTitleFieldKeydown} from '../github-events/on-field-keydown.js';
const formattingCharacters = ['`', '\'', '"', '[', '(', '{', '*', '_', '~', '“', '‘'];
const matchingCharacters = ['`', '\'', '"', ']', ')', '}', '*', '_', '~', '”', '’'];
const quoteCharacters = new Set(['`', '\'', '"']);
function eventHandler(event: DelegateEvent<KeyboardEvent, HTMLTextAreaElement | HTMLInputElement>): void {
const field = event.delegateTarget;
const formattingChar = event.key;
if (!formattingCharacters.includes(formattingChar)) {
return;
}
const [start, end] = [field.selectionStart!, field.selectionEnd!];
// If `start` and `end` of selection are the same, then no text is selected
if (start === end) {
return;
}
// Allow replacing quotes #5960
if (quoteCharacters.has(formattingChar) && end - start === 1 && quoteCharacters.has(field.value.at(start)!)) {
return;
}
event.preventDefault();
const matchingEndChar = matchingCharacters[formattingCharacters.indexOf(formattingChar)];
textFieldEdit.wrapSelection(field, formattingChar, matchingEndChar);
}
function init(signal: AbortSignal): void {
onCommentFieldKeydown(eventHandler, signal);
onConversationTitleFieldKeydown(eventHandler, signal);
onCommitTitleFieldKeydown(eventHandler, signal);
delegate('input[name="commit_title"], input[name="gist[description]"], #saved-reply-title-field', 'keydown', eventHandler, {signal});
}
void features.add(import.meta.url, {
include: [
pageDetect.hasRichTextEditor,
pageDetect.isGist,
pageDetect.isNewFile,
pageDetect.isEditingFile,
pageDetect.isDeletingFile,
],
init,
});
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