File: src/lib/previewItems.ts

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  Classes of Dom Hastings   JS Webdav Client   src/lib/previewItems.ts   Download  
File: src/lib/previewItems.ts
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: JS Webdav Client
Access files of a Webdav server
Author: By
Last change:
Date: 7 months ago
Size: 761 bytes
 

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export const previewItems = ( currentItem: HTMLElement, selector: string = 'li' ): [HTMLElement | null, HTMLElement | null] => { if (!currentItem) { return [null, null]; } const list = currentItem.parentElement as HTMLElement; if (!list) { return [null, null]; } const previewItems = Array.from(list.querySelectorAll(selector)), currentIndex = previewItems.indexOf(currentItem); if (currentIndex === -1) { return [null, null]; } const previous = currentIndex > 0 ? (previewItems[currentIndex - 1] as HTMLElement) : null, next = currentIndex < previewItems.length - 1 ? (previewItems[currentIndex + 1] as HTMLElement) : null; return [previous, next]; }; export default previewItems;