fix save state toggle mute

src/store/player.js

@@ -29,7 +29,7 @@ export default {
 		isBuffering: false,
 		isMute: false,
 		isPaused: false,
-		volume: parseFloat(localStorage.getItem('podcast.volume')) || 0.5,
+		volume: parseFloat(localStorage.getItem('podcast.volume')),
 		oldVolume: null,
 		title: '',
 		image: '',
@@ -51,7 +51,11 @@ export default {
 			return state.duration
 		},
 		getVolume: state => {
-			return state.volume
+			if (isNaN(state.volume)) {
+				return 0.5
+			} else {
+				return state.volume
+			}
 		},
 		isPlaying: state => {
 			return state.isPlaying
@@ -80,10 +84,15 @@ export default {
 				state.volume = state.oldVolume
 				state.isMute = false
 			} else {
-				state.oldVolume = state.volume
-				state.volume = 0
-				state.isMute = true
+				if (state.volume === 0) {
+					state.volume = 1
+				} else {
+					state.oldVolume = state.volume
+					state.volume = 0
+					state.isMute = true
+				}
 			}
+			localStorage.setItem('podcast.volume', state.volume)
 			player.setVolume(state.volume)
 		},
 		setTitle(state, title) {
@@ -132,7 +141,6 @@ export default {
 			context.commit('toggleMute')
 		},
 		playEpisode(context, episode) {
-			console.log(context.state.volume)
 			if (context.state.isPaused && episode.id === context.state.episodeId) {
 				context.commit('setPausing', false)
 				context.commit('setBuffering', true)