Use string interpolation

src/client/app/desktop/views/components/drive.folder.vue

@@ -163,7 +163,7 @@ export default Vue.extend({
 							});
 							break;
 						default:
-							alert('%i18n:@unhandled-error% ' + err);
+							alert(`%i18n:@unhandled-error% ${err}`);
 					}
 				});
 			}

src/client/app/desktop/views/components/drive.vue

@@ -323,7 +323,7 @@ export default Vue.extend({
 							});
 							break;
 						default:
-							alert('%i18n:@unhandled-error% ' + err);
+							alert(`%i18n:@unhandled-error% ${err}`);
 					}
 				});
 			}
@@ -404,7 +404,7 @@ export default Vue.extend({
 					folder: folder
 				});
 			} else {
-				window.open(url + '/i/drive/folder/' + folder.id,
+				window.open(`${url}/i/drive/folder/${folder.id}`,
 					'drive_window',
 					'height=500, width=800');
 			}

src/client/app/desktop/views/components/media-image.vue

@@ -48,7 +48,7 @@ export default Vue.extend({
 			const mouseY = e.clientY - rect.top;
 			const xp = mouseX / this.$el.offsetWidth * 100;
 			const yp = mouseY / this.$el.offsetHeight * 100;
-			this.$el.style.backgroundPosition = xp + '% ' + yp + '%';
+			this.$el.style.backgroundPosition = `${xp}% ${yp}%';
 			this.$el.style.backgroundImage = `url("${this.image.url}")`;
 		},
 

src/client/app/desktop/views/components/post-form.vue

@@ -110,9 +110,9 @@ export default Vue.extend({
 	computed: {
 		draftId(): string {
 			return this.renote
-				? 'renote:' + this.renote.id
+				? `renote:${this.renote.id}`
 				: this.reply
-					? 'reply:' + this.reply.id
+					? `reply:${this.reply.id}`
 					: 'note';
 		},
 
@@ -313,7 +313,7 @@ export default Vue.extend({
 				this.geo = pos.coords;
 				this.$emit('geo-attached', this.geo);
 			}, err => {
-				alert('%i18n:@error%: ' + err.message);
+				alert(`%i18n:@error%: ${err.message}`);
 			}, {
 					enableHighAccuracy: true
 				});

src/client/app/desktop/views/pages/drive.vue

@@ -31,7 +31,7 @@ export default Vue.extend({
 			const title = folder.name + ' | %i18n:@title%';
 
 			// Rewrite URL
-			history.pushState(null, title, '/i/drive/folder/' + folder.id);
+			history.pushState(null, title, `/i/drive/folder/${folder.id}`);
 
 			document.title = title;
 		}

src/client/app/desktop/views/pages/games/reversi.vue

@@ -16,10 +16,10 @@ export default Vue.extend({
 	methods: {
 		nav(game, actualNav) {
 			if (actualNav) {
-				this.$router.push('/reversi/' + game.id);
+				this.$router.push(`/reversi/${game.id}`);
 			} else {
 				// TODO: https://github.com/vuejs/vue-router/issues/703
-				this.$router.push('/reversi/' + game.id);
+				this.$router.push(`/reversi/${game.id}`);
 			}
 		}
 	}

src/client/app/desktop/views/pages/messaging-room.vue

@@ -46,7 +46,7 @@ export default Vue.extend({
 				this.user = user;
 				this.fetching = false;
 
-				document.title = 'メッセージ: ' + getUserName(this.user);
+				document.title = `メッセージ: ${getUserName(this.user)}`;
 
 				Progress.done();
 			});