Function remember

source/features/batch-mark-files-as-viewed.tsx:30–32

(event: DelegateEvent<MouseEvent, HTMLElement>)

let previousFile: HTMLElement | undefined;

function remember(event: DelegateEvent<MouseEvent, HTMLElement>): void {
	previousFile = closestElement(fileSelector, event.delegateTarget);
}

function isChecked(file: HTMLElement): boolean {
	const viewedToggle = $(viewedToggleSelector, file);