shortcut to select all

website/src/lib/components/FileList.svelte

@@ -2,12 +2,13 @@
 	import { fileOrder, files, selectedFiles, selectFiles } from '$lib/stores';
 
 	import { ScrollArea } from '$lib/components/ui/scroll-area/index';
-
 	import Sortable from 'sortablejs/Sortable';
 
-	import { onMount, tick } from 'svelte';
 	import type { GPXFile } from 'gpx';
 
+	import { onMount } from 'svelte';
+	import { get } from 'svelte/store';
+
 	let tabs: HTMLDivElement;
 	let buttons: HTMLButtonElement[] = [];
 	let sortable: Sortable;
@@ -27,6 +28,15 @@
 		});
 	}
 
+	function selectAllFiles() {
+		selectedFiles.update((selectedFiles) => {
+			get(files).forEach((file) => {
+				selectedFiles.add(file);
+			});
+			return selectedFiles;
+		});
+	}
+
 	function deselectFile(file: GPXFile) {
 		selectedFiles.update((selectedFiles) => {
 			selectedFiles.delete(file);
@@ -81,6 +91,12 @@
 				Sortable.utils.select(buttons[index]);
 				addSelectFile(file);
 			},
+			selectAllFiles: () => {
+				$files.forEach((file, index) => {
+					Sortable.utils.select(buttons[index]);
+				});
+				selectAllFiles();
+			},
 			removeSelect: (file: GPXFile) => {
 				const index = $files.indexOf(file);
 				Sortable.utils.deselect(buttons[index]);