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import mem from 'mem';
import select from 'select-dom';
import delegate from 'delegate-it';
import * as pageDetect from 'github-url-detection';
import features from '.';
import preserveScroll from '../helpers/preserve-scroll';
type EventHandler = (event: delegate.Event<MouseEvent, HTMLElement>) => void;
const clickAll = mem((selectorGetter: ((clickedItem: HTMLElement) => string)): EventHandler => {
return event => {
if (event.altKey && event.isTrusted) {
const clickedItem = event.delegateTarget;
// `parentElement` is the anchor because `clickedItem` might be hidden/replaced after the click
const resetScroll = preserveScroll(clickedItem.parentElement!);
clickAllExcept(selectorGetter(clickedItem), clickedItem);
resetScroll();
}
};
});
function clickAllExcept(elementsToClick: string, except: HTMLElement): void {
for (const item of select.all(elementsToClick)) {
if (item !== except) {
item.click();
}
}
}
function allDiffsSelector(): string {
return '.js-file .js-diff-load';
}
function minimizedCommentsSelector(clickedItem: HTMLElement): string {
if ((clickedItem.parentElement as HTMLDetailsElement).open) {
return '.minimized-comment > details[open] > summary';
}
return '.minimized-comment > details:not([open]) > summary';
}
function resolvedCommentsSelector(clickedItem: HTMLElement): string {
return `.js-resolvable-thread-toggler[aria-expanded="${clickedItem.getAttribute('aria-expanded')!}"]:not(.d-none)`;
}
function init(): void {
// Collapsed comments in PR conversations and files
delegate(document, '.minimized-comment details summary', 'click', clickAll(minimizedCommentsSelector));
// "Load diff" buttons in PR files
delegate(document, '.js-file .js-diff-load', 'click', clickAll(allDiffsSelector));
// Review comments in PR
delegate(document, '.js-file .js-resolvable-thread-toggler', 'click', clickAll(resolvedCommentsSelector));
}
void features.add(__filebasename, {
include: [
pageDetect.isPRConversation,
pageDetect.isPRFiles,
pageDetect.isCommit,
pageDetect.isCompare
],
init
});
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