cleanup internal stores

src/lib/context/audio-internals.ts

@@ -0,0 +1,13 @@
+import type { PlayerElement, PlayerMetadata } from '$lib/types/types';
+import { writable } from 'svelte/store';
+
+export const audio_current_time = writable<number>(0);
+export const audio_src = writable<string | null>(null);
+export const audio_element = writable<PlayerElement>();
+export const audio_metadata = writable<PlayerMetadata>({
+	duration: 0,
+	muted: false,
+	paused: true,
+	playbackRate: 1,
+	loading: false,
+});

src/lib/context/audio.ts

@@ -1,36 +1,27 @@
-import type { PlayerElement, PlayerMetadata } from '$lib/types/types';
+import {
+	audio_current_time,
+	audio_element,
+	audio_metadata,
+	audio_src,
+} from '$lib/context/audio-internals';
 import { secondsToTimestamp } from '$lib/utility/seconds-to-timestamp';
 import { info, warn } from '$pkg/log';
 import clamp from 'just-clamp';
-import { derived, writable } from 'svelte/store';
+import { derived } from 'svelte/store';
 
-export const __internal_audio_current_time = writable<number>(0);
-export const __internal_audio_src = writable<string | null>(null);
-export const __internal_audio_element = writable<PlayerElement>();
-export const __internal_audio_metadata = writable<PlayerMetadata>({
-	duration: 0,
-	muted: false,
-	paused: true,
-	playbackRate: 1,
-	loading: false,
+const audio_state = derived([audio_metadata, audio_current_time], ([$metadata, $current_time]) => {
+	return {
+		current_time: $current_time,
+		timestamp: secondsToTimestamp($current_time),
+		...$metadata,
+	};
 });
 
-const state = derived(
-	[__internal_audio_metadata, __internal_audio_current_time],
-	([$metadata, $current_time]) => {
-		return {
-			current_time: $current_time,
-			timestamp: secondsToTimestamp($current_time),
-			...$metadata,
-		};
-	},
-);
-
 type HandleType = 'toggle' | 'set';
 
 function play(type: HandleType = 'set') {
 	info('play: ', type);
-	return __internal_audio_element.subscribe((el) => {
+	return audio_element.subscribe((el) => {
 		if (!el) return warn('no audio element');
 		if (type === 'toggle') {
 			el.paused ? el.play() : el.pause();
@@ -41,7 +32,7 @@ function play(type: HandleType = 'set') {
 }
 function pause(type: HandleType = 'set') {
 	info('pause: ', type);
-	return __internal_audio_element.subscribe((el) => {
+	return audio_element.subscribe((el) => {
 		if (!el) return warn('no audio element');
 		if (type === 'toggle') {
 			el.paused ? el.play() : el.pause();
@@ -53,7 +44,7 @@ function pause(type: HandleType = 'set') {
 
 function mute(type: HandleType = 'set') {
 	info('mute: ', type);
-	return __internal_audio_element.subscribe((el) => {
+	return audio_element.subscribe((el) => {
 		if (!el) return warn('no audio element');
 		if (type === 'toggle') {
 			el.muted = !el.muted;
@@ -64,7 +55,7 @@ function mute(type: HandleType = 'set') {
 }
 function unmute(type: HandleType = 'set') {
 	info('unmute: ', type);
-	return __internal_audio_element.subscribe((el) => {
+	return audio_element.subscribe((el) => {
 		if (!el) return warn('no audio element');
 		if (type === 'toggle') {
 			el.muted = !el.muted;
@@ -76,8 +67,8 @@ function unmute(type: HandleType = 'set') {
 
 function load(src: string) {
 	info('load: ', src);
-	__internal_audio_src.set(src);
-	return __internal_audio_element.subscribe((el) => {
+	audio_src.set(src);
+	return audio_element.subscribe((el) => {
 		if (!el) return warn('no audio element');
 		el.volume = 1;
 		el.pause();
@@ -85,12 +76,12 @@ function load(src: string) {
 }
 function unload() {
 	info('unload: ');
-	__internal_audio_src.set(null);
+	audio_src.set(null);
 }
 
 function setPlaybackRate(rate: number) {
 	info('setPlaybackRate: ', rate);
-	return __internal_audio_element.subscribe((el) => {
+	return audio_element.subscribe((el) => {
 		if (!el) return warn('no audio element');
 		el.playbackRate = clamp(0, 10, rate);
 	})();
@@ -98,7 +89,7 @@ function setPlaybackRate(rate: number) {
 
 function seek(seconds: number, from: 'from-start' | 'from-end' = 'from-start') {
 	info('seek: ', seconds, from);
-	return __internal_audio_element.subscribe((el) => {
+	return audio_element.subscribe((el) => {
 		if (!el) return warn('no audio element');
 		if (from === 'from-end') {
 			el.currentTime = clamp(0, el.duration, el.duration - seconds);
@@ -110,7 +101,7 @@ function seek(seconds: number, from: 'from-start' | 'from-end' = 'from-start') {
 
 function skip(seconds: number, type: 'forward' | 'backward' = 'forward') {
 	info('skip: ', seconds, type);
-	return __internal_audio_element.subscribe((el) => {
+	return audio_element.subscribe((el) => {
 		if (!el) return warn('no audio element');
 		if (type === 'backward') {
 			el.currentTime = clamp(0, el.duration, el.currentTime - seconds);
@@ -121,7 +112,7 @@ function skip(seconds: number, type: 'forward' | 'backward' = 'forward') {
 }
 
 export const audio = {
-	subscribe: state.subscribe,
+	subscribe: audio_state.subscribe,
 	play,
 	pause,
 	mute,