Convert multiple pages into SPA

svelte/src/filesystem/viewers/Torrent.svelte

@@ -19,9 +19,10 @@ import { formatDate } from "util/Formatting"
 import TorrentItem from "./TorrentItem.svelte"
 import IconBlock from "layout/IconBlock.svelte";
 import TextBlock from "layout/TextBlock.svelte"
-import { fs_node_icon, fs_path_url } from "filesystem/FilesystemAPI";
+import { fs_node_icon, fs_path_url } from "lib/FilesystemAPI";
 import CopyButton from "layout/CopyButton.svelte";
 import type { FSNavigator } from "filesystem/FSNavigator";
+import { loading_finish, loading_start } from "lib/Loading";
 
 let dispatch = createEventDispatcher()
 
@@ -31,7 +32,7 @@ let status = "loading"
 
 export const update = async () => {
 	try {
-		nav.set_loading(true)
+		loading_start()
 		let resp = await fetch(fs_path_url(nav.base.path)+"?torrent_info")
 
 		if (resp.status >= 400) {
@@ -58,7 +59,7 @@ export const update = async () => {
 	} catch (err) {
 		console.error(err)
 	} finally {
-		nav.set_loading(false)
+		loading_finish()
 		status = "finished"
 	}
 }