feat: add some keyboard controls

src/components/navbar.svelte

@@ -20,6 +20,7 @@
 		</Link>
 		{#if link.id === 'search' && $page.route.id === '/'}
 			<input
+				id="search-input"
 				class="input rounded-none"
 				bind:value={$searchText}
 				on:input={(ev) => search(ev.currentTarget.value)}

src/components/playingnow.svelte

@@ -72,18 +72,8 @@
 						currentTime = ev.seekTime;
 					}
 				});
-				mediaSession.setActionHandler('seekbackward', () => {
-					currentTime -= 5;
-					if (currentTime < 0) {
-						currentTime = 0;
-					}
-				});
-				mediaSession.setActionHandler('seekforward', () => {
-					currentTime += 5;
-					if (currentTime > duration) {
-						currentTime = duration;
-					}
-				});
+				mediaSession.setActionHandler('seekbackward', () => (currentTime -= 5));
+				mediaSession.setActionHandler('seekforward', () => (currentTime += 5));
 			}}
 			on:timeupdate={(_) => {
 				navigator.mediaSession.setPositionState({ position: currentTime, duration });

src/components/trackControls.svelte

@@ -2,7 +2,7 @@
 	import IconRepeat from '~icons/mdi/repeat';
 	import IconRepeatOff from '~icons/mdi/repeat-off';
 	import IconRepeatOnce from '~icons/mdi/repeat-once';
-	import { loop } from '../stores';
+	import { changeLoop, loop } from '../stores';
 	import { LoopKind } from '../types';
 
 	function getIcon(kind: LoopKind) {
@@ -16,20 +16,6 @@
 		}
 	}
 
-	function changeLoop() {
-		switch ($loop) {
-			case LoopKind.Always:
-				loop.set(LoopKind.Off);
-				break;
-			case LoopKind.Off:
-				loop.set(LoopKind.Once);
-				break;
-			case LoopKind.Once:
-				loop.set(LoopKind.Always);
-				break;
-		}
-	}
-
 	function loopKindToString(kind: LoopKind) {
 		switch (kind) {
 			case LoopKind.Off:

src/routes/+layout.svelte

@@ -8,7 +8,10 @@
 	import { AppShell, Toast, toastStore } from '@skeletonlabs/skeleton';
 	import {
 		address,
+		changeLoop,
 		currentTrack,
+		getAudioElement,
+		muted,
 		paused,
 		queuePosition,
 		token,
@@ -81,10 +84,37 @@
 <svelte:window
 	on:keydown={(event) => {
 		const tagName = document.activeElement?.tagName ?? '';
-		if (tagName !== 'INPUT' && event.code === 'Space') {
+		const actions = new Map([
+			['Space', () => ($paused = !$paused)],
+			['KeyL', changeLoop],
+			['KeyM', () => ($muted = !$muted)],
+			['KeyS', () => document.getElementById('search-input')?.focus()],
+			[
+				'ArrowLeft',
+				() => {
+					const audio = getAudioElement();
+					if (audio !== null) {
+						audio.currentTime -= 5;
+					}
+				}
+			],
+			[
+				'ArrowRight',
+				() => {
+					const audio = getAudioElement();
+					if (audio !== null) {
+						audio.currentTime += 5;
+					}
+				}
+			]
+		]);
+		if (tagName !== 'INPUT' && actions.has(event.code)) {
 			event.preventDefault();
 			event.stopPropagation();
-			paused.set(!$paused);
+			const action = actions.get(event.code) ?? null;
+			if (action !== null) {
+				action();
+			}
 		}
 	}}
 />

src/stores.ts

@@ -87,6 +87,20 @@ export const volume = writable<number>(1.0);
 export const muted = writable<boolean>(false);
 export const loop = writable<LoopKind>(LoopKind.Off);
 
+export function changeLoop() {
+  switch (get(loop)) {
+    case LoopKind.Always:
+      loop.set(LoopKind.Off);
+      break;
+    case LoopKind.Off:
+      loop.set(LoopKind.Once);
+      break;
+    case LoopKind.Once:
+      loop.set(LoopKind.Always);
+      break;
+  }
+}
+
 export const searchText = writable<string>("");
 
 export function search(q: string) {