diff --git a/package.json b/package.json
index c10ce53312..bf01f30b51 100644
--- a/package.json
+++ b/package.json
@@ -96,7 +96,6 @@
     "gulp-babel": "6.1.2",
     "gulp-cssnano": "2.1.2",
     "gulp-imagemin": "3.1.1",
-    "gulp-livescript": "3.0.1",
     "gulp-pug": "3.2.0",
     "gulp-rename": "1.2.2",
     "gulp-replace": "0.5.4",
@@ -108,7 +107,6 @@
     "is-root": "1.0.0",
     "is-url": "1.2.2",
     "js-yaml": "3.8.1",
-    "livescript": "1.5.0",
     "mime-types": "2.1.14",
     "mocha": "3.2.0",
     "mongodb": "2.2.24",
diff --git a/src/web/app/auth/tags/form.tag b/src/web/app/auth/tags/form.tag
index 99212febfc..4a236f7594 100644
--- a/src/web/app/auth/tags/form.tag
+++ b/src/web/app/auth/tags/form.tag
@@ -106,21 +106,25 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@session = @opts.session
-		@app = @session.app
+		this.session = this.opts.session;
+		this.app = this.session.app;
 
-		@cancel = ~>
-			@api \auth/deny do
-				token: @session.token
-			.then ~>
-				@trigger \denied
+		this.cancel = () => {
+			this.api('auth/deny', {
+				token: this.session.token
+			}).then(() => {
+				this.trigger('denied');
+			});
+		};
 
-		@accept = ~>
-			@api \auth/accept do
-				token: @session.token
-			.then ~>
-				@trigger \accepted
+		this.accept = () => {
+			this.api('auth/accept', {
+				token: this.session.token
+			}).then(() => {
+				this.trigger('accepted');
+			});
+		};
 	</script>
 </mk-form>
diff --git a/src/web/app/auth/tags/index.tag b/src/web/app/auth/tags/index.tag
index b17d857db2..f80e9dd1bc 100644
--- a/src/web/app/auth/tags/index.tag
+++ b/src/web/app/auth/tags/index.tag
@@ -88,50 +88,60 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \api
+		this.mixin('i');
+		this.mixin('api');
 
-		@state = null
-		@fetching = true
+		this.state = null;
+		this.fetching = true;
 
-		@token = window.location.href.split \/ .pop!
+		this.token = window.location.href.split('/').pop();
 
-		@on \mount ~>
-			if not @SIGNIN then return
+		this.on('mount', () => {
+			if (!this.SIGNIN) return;
 
-			# Fetch session
-			@api \auth/session/show do
-				token: @token
-			.then (session) ~>
-				@session = session
-				@fetching = false
+			// Fetch session
+			this.api('auth/session/show', {
+				token: this.token
+			}).then(session => {
+				this.session = session;
+				this.fetching = false;
 
-				# 既に連携していた場合
-				if @session.app.is_authorized
-					@api \auth/accept do
-						token: @session.token
-					.then ~>
-						@accepted!
-				else
-					@state = \waiting
-					@update!
+				// 既に連携していた場合
+				if (this.session.app.is_authorized) {
+					this.api('auth/accept', {
+						token: this.session.token
+					}).then(() => {
+						this.accepted();
+					});
+				} else {
+					this.update({
+						state: 'waiting'
+					});
 
-					@refs.form.on \denied ~>
-						@state = \denied
-						@update!
+					this.refs.form.on('denied', () => {
+						this.update({
+							state: 'denied'
+						});
+					});
 
-					@refs.form.on \accepted @accepted
+					this.refs.form.on('accepted', this.accepted);
+				}
+			}).catch(error => {
+				this.update({
+					fetching: false,
+					state: 'fetch-session-error'
+				});
+			});
+		});
 
-			.catch (error) ~>
-				@fetching = false
-				@state = \fetch-session-error
-				@update!
+		this.accepted = () => {
+			this.update({
+				state: 'accepted'
+			});
 
-		@accepted = ~>
-			@state = \accepted
-			@update!
-
-			if @session.app.callback_url
-				location.href = @session.app.callback_url + '?token=' + @session.token
+			if (this.session.app.callback_url) {
+				location.href = this.session.app.callback_url + '?token=' + this.session.token;
+			}
+		};
 	</script>
 </mk-index>
diff --git a/src/web/app/boot.js b/src/web/app/boot.js
index ab147eb562..06e457e2b3 100644
--- a/src/web/app/boot.js
+++ b/src/web/app/boot.js
@@ -27,13 +27,16 @@ riot.mixin({
 // ↓ iOS待ちPolyfill (SEE: http://caniuse.com/#feat=fetch)
 require('whatwg-fetch');
 
-// ↓ NodeList、HTMLCollectionで forEach を使えるようにする
+// ↓ NodeList、HTMLCollection、FileListで forEach を使えるようにする
 if (NodeList.prototype.forEach === undefined) {
 	NodeList.prototype.forEach = Array.prototype.forEach;
 }
 if (HTMLCollection.prototype.forEach === undefined) {
 	HTMLCollection.prototype.forEach = Array.prototype.forEach;
 }
+if (FileList.prototype.forEach === undefined) {
+	FileList.prototype.forEach = Array.prototype.forEach;
+}
 
 // ↓ iOSでプライベートモードだとlocalStorageが使えないので既存のメソッドを上書きする
 try {
diff --git a/src/web/app/common/scripts/contains.js b/src/web/app/common/scripts/contains.js
new file mode 100644
index 0000000000..fe73666193
--- /dev/null
+++ b/src/web/app/common/scripts/contains.js
@@ -0,0 +1,8 @@
+module.exports = function(parent, child) {
+	let node = child.parentNode;
+	while (node) {
+		if (node == parent) return true;
+		node = node.parentNode;
+	}
+	return false;
+}
diff --git a/src/web/app/common/tags/api-info.tag b/src/web/app/common/tags/api-info.tag
index f3cef26509..d3b1e4c25d 100644
--- a/src/web/app/common/tags/api-info.tag
+++ b/src/web/app/common/tags/api-info.tag
@@ -21,6 +21,6 @@
 					text-decoration underline
 	</style>
 	<script>
-		@mixin \i
+		this.mixin('i');
 	</script>
 </mk-api-info>
diff --git a/src/web/app/common/tags/authorized-apps.tag b/src/web/app/common/tags/authorized-apps.tag
index 16e9d9c0c1..14795e49da 100644
--- a/src/web/app/common/tags/authorized-apps.tag
+++ b/src/web/app/common/tags/authorized-apps.tag
@@ -17,18 +17,17 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@apps = []
-		@fetching = true
+		this.apps = [];
+		this.fetching = true;
 
-		@on \mount ~>
-			@api \i/authorized_apps
-			.then (apps) ~>
-				@apps = apps
-				@fetching = false
-				@update!
-			.catch (err) ~>
-				console.error err
+		this.on('mount', () => {
+			this.api('i/authorized_apps').then(apps => {
+				this.apps = apps;
+				this.fetching = false;
+				this.update();
+			});
+		});
 	</script>
 </mk-authorized-apps>
diff --git a/src/web/app/common/tags/copyright.tag b/src/web/app/common/tags/copyright.tag
index 368c4e3196..9c3f1f648b 100644
--- a/src/web/app/common/tags/copyright.tag
+++ b/src/web/app/common/tags/copyright.tag
@@ -1,11 +1,7 @@
-<mk-copyright><span>(c) syuilo 2014-2017</span>
+<mk-copyright>
+	<span>(c) syuilo 2014-2017</span>
 	<style>
 		:scope
 			display block
-
-			
-
-			
-
 	</style>
 </mk-copyright>
diff --git a/src/web/app/common/tags/core-error.tag b/src/web/app/common/tags/core-error.tag
index 5b5d163600..feac70fbea 100644
--- a/src/web/app/common/tags/core-error.tag
+++ b/src/web/app/common/tags/core-error.tag
@@ -1,8 +1,7 @@
 <mk-core-error>
-	<!--i: i.fa.fa-times-circle--><img src="/_/resources/error.jpg" alt=""/>
-	<h1>
-		<mk-ripple-string>サーバーに接続できません</mk-ripple-string>
-	</h1>
+	<!--i: i.fa.fa-times-circle-->
+	<img src="/_/resources/error.jpg" alt=""/>
+	<h1>サーバーに接続できません</h1>
 	<p class="text">インターネット回線に問題があるか、サーバーがダウンまたはメンテナンスしている可能性があります。しばらくしてから<a onclick={ retry }>再度お試し</a>ください。</p>
 	<p class="thanks">いつもMisskeyをご利用いただきありがとうございます。</p>
 	<style>
@@ -57,8 +56,9 @@
 
 	</style>
 	<script>
-		@retry = ~>
-			@unmount!
-			@opts.retry!
+		this.retry = () => {
+			this.unmount();
+			this.opts.retry();
+		}
 	</script>
 </mk-core-error>
diff --git a/src/web/app/common/tags/ellipsis.tag b/src/web/app/common/tags/ellipsis.tag
index 58f1083954..97ef745d02 100644
--- a/src/web/app/common/tags/ellipsis.tag
+++ b/src/web/app/common/tags/ellipsis.tag
@@ -20,10 +20,5 @@
 					opacity 1
 				40%
 					opacity 0
-
-			
-
-			
-
 	</style>
 </mk-ellipsis>
diff --git a/src/web/app/common/tags/file-type-icon.tag b/src/web/app/common/tags/file-type-icon.tag
index 37cae49993..55c473bcd4 100644
--- a/src/web/app/common/tags/file-type-icon.tag
+++ b/src/web/app/common/tags/file-type-icon.tag
@@ -5,6 +5,6 @@
 			display inline
 	</style>
 	<script>
-		@kind = @opts.type.split \/ .0
+		this.kind = this.opts.type.split('/')[0];
 	</script>
 </mk-file-type-icon>
diff --git a/src/web/app/common/tags/index.js b/src/web/app/common/tags/index.js
index 21d817dbd2..90f03825e2 100644
--- a/src/web/app/common/tags/index.js
+++ b/src/web/app/common/tags/index.js
@@ -1,7 +1,6 @@
 require('./core-error.tag');
 require('./url.tag');
 require('./url-preview.tag');
-require('./ripple-string.tag');
 require('./time.tag');
 require('./file-type-icon.tag');
 require('./uploader.tag');
@@ -24,3 +23,4 @@ require('./messaging/room.tag');
 require('./messaging/message.tag');
 require('./messaging/index.tag');
 require('./messaging/form.tag');
+require('./stream-indicator.tag');
diff --git a/src/web/app/common/tags/introduction.tag b/src/web/app/common/tags/introduction.tag
index 24fe86e997..fda011efff 100644
--- a/src/web/app/common/tags/introduction.tag
+++ b/src/web/app/common/tags/introduction.tag
@@ -21,9 +21,5 @@
 					margin 0
 					text-align center
 
-			
-
-			
-
 	</style>
 </mk-introduction>
diff --git a/src/web/app/common/tags/messaging/form.tag b/src/web/app/common/tags/messaging/form.tag
index d6750fb9ec..4e5f5262af 100644
--- a/src/web/app/common/tags/messaging/form.tag
+++ b/src/web/app/common/tags/messaging/form.tag
@@ -2,9 +2,15 @@
 	<textarea ref="text" onkeypress={ onkeypress } onpaste={ onpaste } placeholder="ここにメッセージを入力"></textarea>
 	<div class="files"></div>
 	<mk-uploader ref="uploader"></mk-uploader>
-	<button class="send" onclick={ send } disabled={ sending } title="メッセージを送信"><i class="fa fa-paper-plane" if={ !sending }></i><i class="fa fa-spinner fa-spin" if={ sending }></i></button>
-	<button class="attach-from-local" type="button" title="PCから画像を添付する"><i class="fa fa-upload"></i></button>
-	<button class="attach-from-drive" type="button" title="アルバムから画像を添付する"><i class="fa fa-folder-open"></i></button>
+	<button class="send" onclick={ send } disabled={ sending } title="メッセージを送信">
+		<i class="fa fa-paper-plane" if={ !sending }></i><i class="fa fa-spinner fa-spin" if={ sending }></i>
+	</button>
+	<button class="attach-from-local" type="button" title="PCから画像を添付する">
+		<i class="fa fa-upload"></i>
+	</button>
+	<button class="attach-from-drive" type="button" title="アルバムから画像を添付する">
+		<i class="fa fa-folder-open"></i>
+	</button>
 	<input name="file" type="file" accept="image/*"/>
 	<style>
 		:scope
@@ -111,49 +117,60 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@onpaste = (e) ~>
-			data = e.clipboard-data
-			items = data.items
-			for i from 0 to items.length - 1
-				item = items[i]
-				switch (item.kind)
-					| \file =>
-						@upload item.get-as-file!
+		this.onpaste = (e) => {
+			const data = e.clipboardData;
+			const items = data.items;
+			for (let i = 0; i < items.length; i++) {
+				const item = items[i];
+				if (item.kind == 'file') {
+					this.upload(item.getAsFile());
+				}
+			}
+		};
 
-		@onkeypress = (e) ~>
-			if (e.which == 10 || e.which == 13) && e.ctrl-key
-				@send!
+		this.onkeypress = (e) => {
+			if ((e.which == 10 || e.which == 13) && e.ctrlKey) {
+				this.send();
+			}
+		};
 
-		@select-file = ~>
-			@refs.file.click!
+		this.selectFile = () => {
+			this.refs.file.click();
+		};
 
-		@select-file-from-drive = ~>
-			browser = document.body.append-child document.create-element \mk-select-file-from-drive-window
-			event = riot.observable!
-			riot.mount browser, do
-				multiple: true
+		this.selectFileFromDrive = () => {
+			const browser = document.body.appendChild(document.createElement('mk-select-file-from-drive-window'));
+			const event = riot.observable();
+			riot.mount(browser, {
+				multiple: true,
 				event: event
-			event.one \selected (files) ~>
-				files.for-each @add-file
+			});
+			event.one('selected', files => {
+				files.forEach(this.addFile);
+			});
+		};
 
-		@send = ~>
-			@sending = true
-			@api \messaging/messages/create do
-				user_id: @opts.user.id
-				text: @refs.text.value
-			.then (message) ~>
-				@clear!
-			.catch (err) ~>
-				console.error err
-			.then ~>
-				@sending = false
-				@update!
+		this.send = () => {
+			this.sending = true;
+			this.api('messaging/messages/create', {
+				user_id: this.opts.user.id,
+				text: this.refs.text.value
+			}).then(message => {
+				this.clear();
+			}).catch(err => {
+				console.error(err);
+			}).then(() => {
+				this.sending = false;
+				this.update();
+			});
+		};
 
-		@clear = ~>
-			@refs.text.value = ''
-			@files = []
-			@update!
+		this.clear = () => {
+			this.refs.text.value = '';
+			this.files = [];
+			this.update();
+		};
 	</script>
 </mk-messaging-form>
diff --git a/src/web/app/common/tags/messaging/index.tag b/src/web/app/common/tags/messaging/index.tag
index 69f78ba8e3..2dbf76bd9a 100644
--- a/src/web/app/common/tags/messaging/index.tag
+++ b/src/web/app/common/tags/messaging/index.tag
@@ -286,72 +286,88 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \api
+		this.mixin('i');
+		this.mixin('api');
 
-		@search-result = []
+		this.searchResult = [];
 
-		@on \mount ~>
-			@api \messaging/history
-			.then (history) ~>
-				@is-loading = false
-				history.for-each (message) ~>
-					message.is_me = message.user_id == @I.id
-					message._click = ~>
-						if message.is_me
-							@trigger \navigate-user message.recipient
-						else
-							@trigger \navigate-user message.user
-				@history = history
-				@update!
-			.catch (err) ~>
-				console.error err
+		this.on('mount', () => {
+			this.api('messaging/history').then(history => {
+				this.isLoading = false;
+				history.forEach(message => {
+					message.is_me = message.user_id == this.I.id
+					message._click = () => {
+						this.trigger('navigate-user', message.is_me ? message.recipient : message.user);
+					};
+				});
+				this.history = history;
+				this.update();
+			});
+		});
 
-		@search = ~>
-			q = @refs.search.value
-			if q == ''
-				@search-result = []
-			else
-				@api \users/search do
-					query: q
-					max: 5
-				.then (users) ~>
-					users.for-each (user) ~>
-						user._click = ~>
-							@trigger \navigate-user user
-							@search-result = []
-					@search-result = users
-					@update!
-				.catch (err) ~>
-					console.error err
+		this.search = () => {
+			const q = this.refs.search.value;
+			if (q == '') {
+				this.searchResult = [];
+				return;
+			}
+			this.api('users/search', {
+				query: q,
+				max: 5
+			}).then(users => {
+				users.forEach(user => {
+					user._click = () => {
+						this.trigger('navigate-user', user);
+						this.searchResult = [];
+					};
+				});
+				this.update({
+					searchResult: users
+				});
+			});
+		};
 
-		@on-search-keydown = (e) ~>
-			key = e.which
-			switch (key)
-				| 9, 40 => # Key[TAB] or Key[↓]
-					e.prevent-default!
-					e.stop-propagation!
-					@refs.search-result.child-nodes[0].focus!
+		this.onSearchKeydown = e => {
+			switch (e.which) {
+				case 9: // [TAB]
+				case 40: // [↓]
+					e.preventDefault();
+					e.stopPropagation();
+					this.refs.searchResult.childNodes[0].focus();
+					break;
+			}
+		};
 
-		@on-search-result-keydown = (i, e) ~>
-			key = e.which
-			switch (key)
-				| 10, 13 => # Key[ENTER]
-					e.prevent-default!
-					e.stop-propagation!
-					@search-result[i]._click!
-				| 27 => # Key[ESC]
-					e.prevent-default!
-					e.stop-propagation!
-					@refs.search.focus!
-				| 38 => # Key[↑]
-					e.prevent-default!
-					e.stop-propagation!
-					(@refs.search-result.child-nodes[i].previous-element-sibling || @refs.search-result.child-nodes[@search-result.length - 1]).focus!
-				| 9, 40 => # Key[TAB] or Key[↓]
-					e.prevent-default!
-					e.stop-propagation!
-					(@refs.search-result.child-nodes[i].next-element-sibling || @refs.search-result.child-nodes[0]).focus!
+		this.onSearchResultKeydown = (i, e) => {
+			const cancel = () => {
+				e.preventDefault();
+				e.stopPropagation();
+			};
+			switch (true) {
+				case e.which == 10: // [ENTER]
+				case e.which == 13: // [ENTER]
+					cancel();
+					this.searchResult[i]._click();
+					break;
+
+				case e.which == 27: // [ESC]
+					cancel();
+					this.refs.search.focus();
+					break;
+
+				case e.which == 9 && e.shiftKey: // [TAB] + [Shift]
+				case e.which == 38: // [↑]
+					cancel();
+					(this.refs.searchResult.childNodes[i].previousElementSibling || this.refs.searchResult.childNodes[this.searchResult.length - 1]).focus();
+					break;
+
+				case e.which == 9: // [TAB]
+				case e.which == 40: // [↓]
+					cancel();
+					(this.refs.searchResult.childNodes[i].nextElementSibling || this.refs.searchResult.childNodes[0]).focus();
+					break;
+			}
+		};
 
 	</script>
 </mk-messaging>
diff --git a/src/web/app/common/tags/messaging/message.tag b/src/web/app/common/tags/messaging/message.tag
index 5765ffa6c8..de763c779a 100644
--- a/src/web/app/common/tags/messaging/message.tag
+++ b/src/web/app/common/tags/messaging/message.tag
@@ -203,28 +203,32 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \text
+		this.mixin('i');
+		this.mixin('text');
 
-		@message = @opts.message
-		@message.is_me = @message.user.id == @I.id
+		this.message = this.opts.message;
+		this.message.is_me = this.message.user.id == this.I.id;
 
-		@on \mount ~>
-			if @message.text?
-				tokens = @analyze @message.text
+		this.on('mount', () => {
+			if (this.message.text) {
+				const tokens = this.analyze(this.message.text);
 
-				@refs.text.innerHTML = @compile tokens
+				this.refs.text.innerHTML = this.compile(tokens);
 
-				@refs.text.children.for-each (e) ~>
-					if e.tag-name == \MK-URL
-						riot.mount e
+				this.refs.text.children.forEach(e => {
+					if (e.tagName == 'MK-URL') riot.mount(e);
+				});
 
-				# URLをプレビュー
+				// URLをプレビュー
 				tokens
-					.filter (t) -> t.type == \link
-					.map (t) ~>
-						@preview = @refs.text.append-child document.create-element \mk-url-preview
-						riot.mount @preview, do
+					.filter(t => t.type == 'link')
+					.map(t => {
+						const el = this.refs.text.appendChild(document.createElement('mk-url-preview'));
+						riot.mount(el, {
 							url: t.content
+						});
+					});
+			}
+		});
 	</script>
 </mk-messaging-message>
diff --git a/src/web/app/common/tags/messaging/room.tag b/src/web/app/common/tags/messaging/room.tag
index 5882a7fa40..c7fed91db3 100644
--- a/src/web/app/common/tags/messaging/room.tag
+++ b/src/web/app/common/tags/messaging/room.tag
@@ -124,101 +124,117 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \api
-		@mixin \messaging-stream
+		this.mixin('i');
+		this.mixin('api');
+		this.mixin('messaging-stream');
 
-		@user = @opts.user
-		@init = true
-		@sending = false
-		@messages = []
+		this.user = this.opts.user;
+		this.init = true;
+		this.sending = false;
+		this.messages = [];
 
-		@connection = new @MessagingStreamConnection @I, @user.id
+		this.connection = new this.MessagingStreamConnection(this.I, this.user.id);
 
-		@on \mount ~>
-			@connection.event.on \message @on-message
-			@connection.event.on \read @on-read
+		this.on('mount', () => {
+			this.connection.event.on('message', this.onMessage);
+			this.connection.event.on('read', this.onRead);
 
-			document.add-event-listener \visibilitychange @on-visibilitychange
+			document.addEventListener('visibilitychange', this.onVisibilitychange);
 
-			@api \messaging/messages do
-				user_id: @user.id
-			.then (messages) ~>
-				@init = false
-				@messages = messages.reverse!
-				@update!
-				@scroll-to-bottom!
-			.catch (err) ~>
-				console.error err
+			this.api('messaging/messages', {
+				user_id: this.user.id
+			}).then(messages => {
+				this.init = false;
+				this.messages = messages.reverse();
+				this.update();
+				this.scrollToBottom();
+			});
+		});
 
-		@on \unmount ~>
-			@connection.event.off \message @on-message
-			@connection.event.off \read @on-read
-			@connection.close!
+		this.on('unmount', () => {
+			this.connection.event.off('message', this.onMessage);
+			this.connection.event.off('read', this.onRead);
+			this.connection.close();
 
-			document.remove-event-listener \visibilitychange @on-visibilitychange
+			document.removeEventListener('visibilitychange', this.onVisibilitychange);
+		});
 
-		@on \update ~>
-			@messages.for-each (message) ~>
-				date = (new Date message.created_at).get-date!
-				month = (new Date message.created_at).get-month! + 1
-				message._date = date
-				message._datetext = month + '月 ' + date + '日'
+		this.on('update', () => {
+			this.messages.forEach(message => {
+				const date = (new Date(message.created_at)).getDate();
+				const month = (new Date(message.created_at)).getMonth() + 1;
+				message._date = date;
+				message._datetext = month + '月 ' + date + '日';
+			});
+		});
 
-		@on-message = (message) ~>
-			is-bottom = @is-bottom!
+		this.onMessage = (message) => {
+			const isbottom = this.isBottom();
 
-			@messages.push message
-			if message.user_id != @I.id and not document.hidden
-				@connection.socket.send JSON.stringify do
-					type: \read
+			this.messages.push(message);
+			if (message.user_id != this.I.id && !document.hidden) {
+				this.connection.socket.send(JSON.stringify({
+					type: 'read',
 					id: message.id
-			@update!
+				}));
+			}
+			this.update();
 
-			if is-bottom
-				# Scroll to bottom
-				@scroll-to-bottom!
-			else if message.user_id != @I.id
-				# Notify
-				@notify '新しいメッセージがあります'
+			if (isBottom) {
+				// Scroll to bottom
+				this.scrollToBottom();
+			} else if (message.user_id != this.I.id) {
+				// Notify
+				this.notify('新しいメッセージがあります');
+			}
+		};
 
-		@on-read = (ids) ~>
-			if not Array.isArray ids then ids = [ids]
-			ids.for-each (id) ~>
-				if (@messages.some (x) ~> x.id == id)
-					exist = (@messages.map (x) -> x.id).index-of id
-					@messages[exist].is_read = true
-					@update!
+		this.onRead = ids => {
+			if (!Array.isArray(ids)) ids = [ids];
+			ids.forEach(id => {
+				if (this.messages.some(x => x.id == id)) {
+					const exist = this.messages.map(x => x.id).indexOf(id);
+					this.messages[exist].is_read = true;
+					this.update();
+				}
+			});
+		};
 
-		@is-bottom = ~>
-			current = @root.scroll-top + @root.offset-height
-			max = @root.scroll-height
-			current > (max - 32)
+		this.isBottom = () => {
+			const current = this.root.scrollTop + this.root.offsetHeight;
+			const max = this.root.scrollHeight;
+			return current > (max - 32);
+		};
 
-		@scroll-to-bottom = ~>
-			@root.scroll-top = @root.scroll-height
+		this.scrollToBottom = () => {
+			this.root.scrollTop = this.root.scrollHeight;
+		};
 
-		@notify = (message) ~>
-			n = document.create-element \p
-			n.inner-HTML = '<i class="fa fa-arrow-circle-down"></i>' + message
-			n.onclick = ~>
-				@scroll-to-bottom!
-				n.parent-node.remove-child n
-			@refs.notifications.append-child n
+		this.notify = message => {
+			const n = document.createElement('p');
+			n.innerHTML = '<i class="fa fa-arrow-circle-down"></i>' + message;
+			n.onclick = () => {
+				this.scrollToBottom();
+				n.parentNode.removeChild(n);
+			};
+			this.refs.notifications.appendChild(n);
 
-			set-timeout ~>
-				n.style.opacity = 0
-				set-timeout ~>
-					n.parent-node.remove-child n
-				, 1000ms
-			, 4000ms
+			setTimeout(() => {
+				n.style.opacity = 0;
+				setTimeout(() => n.parentNode.removeChild(n), 1000);
+			}, 4000);
+		};
 
-		@on-visibilitychange = ~>
-			if document.hidden then return
-			@messages.for-each (message) ~>
-				if message.user_id != @I.id and not message.is_read
-					@connection.socket.send JSON.stringify do
-						type: \read
+		this.onVisibilitychange = () => {
+			if (document.hidden) return;
+			this.messages.forEach(message => {
+				if (message.user_id !== this.I.id && !message.is_read) {
+					this.connection.socket.send(JSON.stringify({
+						type: 'read',
 						id: message.id
+					}));
+				}
+			});
+		};
 	</script>
 </mk-messaging-room>
diff --git a/src/web/app/common/tags/number.tag b/src/web/app/common/tags/number.tag
index c878c842e2..7dcbceba6a 100644
--- a/src/web/app/common/tags/number.tag
+++ b/src/web/app/common/tags/number.tag
@@ -2,17 +2,17 @@
 	<style>
 		:scope
 			display inline
-
 	</style>
 	<script>
-		@on \mount ~>
-			# バグ？ https://github.com/riot/riot/issues/2103
-			#value = @opts.value
-			value = @opts.riot-value
-			max = @opts.max
+		this.on('mount', () => {
+			// https://github.com/riot/riot/issues/2103
+			//value = this.opts.value
+			let value = this.opts.riotValue;
+			const max = this.opts.max;
 
-			if max? then if value > max then value = max
+			if (max != null && value > max) value = max;
 
-			@root.innerHTML = value.to-locale-string!
+			this.root.innerHTML = value.toLocaleString();
+		});
 	</script>
 </mk-number>
diff --git a/src/web/app/common/tags/poll-editor.tag b/src/web/app/common/tags/poll-editor.tag
index 1c9c668f0b..9d9b28c763 100644
--- a/src/web/app/common/tags/poll-editor.tag
+++ b/src/web/app/common/tags/poll-editor.tag
@@ -86,26 +86,31 @@
 
 	</style>
 	<script>
-		@choices = ['', '']
+		this.choices = ['', ''];
 
-		@oninput = (i, e) ~>
-			@choices[i] = e.target.value
+		this.oninput = (i, e) => {
+			this.choices[i] = e.target.value;
+		}
 
-		@add = ~>
-			@choices.push ''
-			@update!
-			@refs.choices.child-nodes[@choices.length - 1].child-nodes[0].focus!
+		this.add = () => {
+			this.choices.push('');
+			this.update();
+			this.refs.choices.childNodes[this.choices.length - 1].childNodes[0].focus();
+		}
 
-		@remove = (i) ~>
-			@choices = @choices.filter((_, _i) -> _i != i)
-			@update!
+		this.remove = (i) => {
+			this.choices = this.choices.filter((_, _i) => _i != i);
+			this.update();
+		}
 
-		@destroy = ~>
-			@opts.ondestroy!
+		this.destroy = () => {
+			this.opts.ondestroy();
+		}
 
-		@get = ~>
+		this.get = () => {
 			return {
-				choices: @choices.filter (choice) -> choice != ''
+				choices: this.choices.filter(choice => choice != '')
 			}
+		}
 	</script>
 </mk-poll-editor>
diff --git a/src/web/app/common/tags/poll.tag b/src/web/app/common/tags/poll.tag
index 426bb44281..6ddaf77595 100644
--- a/src/web/app/common/tags/poll.tag
+++ b/src/web/app/common/tags/poll.tag
@@ -68,32 +68,37 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@post = @opts.post
-		@poll = @post.poll
-		@total = @poll.choices.reduce ((a, b) -> a + b.votes), 0
-		@is-voted = @poll.choices.some (c) -> c.is_voted
-		@result = @is-voted
+		this.post = this.opts.post;
+		this.poll = this.post.poll;
+		this.total = this.poll.choices.reduce((a, b) => a + b.votes, 0);
+		this.isVoted = this.poll.choices.some(c => c.is_voted);
+		this.result = this.isVoted;
 
-		@toggle-result = ~>
-			@result = !@result
+		this.toggleResult = () => {
+			this.result = !this.result;
+		}
 
-		@vote = (id) ~>
-			if (@poll.choices.some (c) -> c.is_voted) then return
-			@api \posts/polls/vote do
-				post_id: @post.id
+		this.vote = (id) => {
+			if (this.poll.choices.some(c => c.is_voted)) return;
+			this.api('posts/polls/vote', {
+				post_id: this.post.id,
 				choice: id
-			.then ~>
-				@poll.choices.for-each (c) ->
-					if c.id == id
-						c.votes++
-						c.is_voted = true
-				@update do
-					poll: @poll
-					is-voted: true
-					result: true
-					total: @total + 1
-
+			}).then(() => {
+				this.poll.choices.forEach(c => {
+					if (c.id == id) {
+						c.votes++;
+						c.is_voted = true;
+					}
+				});
+				this.update({
+					poll: this.poll,
+					isVoted: true,
+					result: true,
+					total: this.total + 1
+				});
+			});
+		}
 	</script>
 </mk-poll>
diff --git a/src/web/app/common/tags/raw.tag b/src/web/app/common/tags/raw.tag
index 609c53e7e9..0637675c45 100644
--- a/src/web/app/common/tags/raw.tag
+++ b/src/web/app/common/tags/raw.tag
@@ -4,5 +4,5 @@
 			display inline
 
 	</style>
-	<script>@root.innerHTML = @opts.content</script>
+	<script>this.root.innerHTML = this.opts.content</script>
 </mk-raw>
diff --git a/src/web/app/common/tags/ripple-string.tag b/src/web/app/common/tags/ripple-string.tag
deleted file mode 100644
index d3303e6ba6..0000000000
--- a/src/web/app/common/tags/ripple-string.tag
+++ /dev/null
@@ -1,26 +0,0 @@
-<mk-ripple-string><yield/>
-	<style>
-		:scope
-			display inline
-
-			> span
-				animation ripple-string 5s infinite ease-in-out both
-
-			@keyframes ripple-string
-				0%, 50%, 100%
-					opacity 1
-				25%
-					opacity 0.5
-
-	</style>
-	<script>
-		@on \mount ~>
-			text = @root.innerHTML
-			@root.innerHTML = ''
-			(text.split '').for-each (c, i) ~>
-				ce = document.create-element \span
-				ce.innerHTML = c
-				ce.style.animation-delay = (i / 10) + 's'
-				@root.append-child ce
-	</script>
-</mk-ripple-string>
diff --git a/src/web/app/common/tags/signin-history.tag b/src/web/app/common/tags/signin-history.tag
index ffc837891d..3868980058 100644
--- a/src/web/app/common/tags/signin-history.tag
+++ b/src/web/app/common/tags/signin-history.tag
@@ -48,28 +48,30 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \stream
+		this.mixin('api');
+		this.mixin('stream');
 
-		@history = []
-		@fetching = true
+		this.history = [];
+		this.fetching = true;
 
-		@on \mount ~>
-			@api \i/signin_history
-			.then (history) ~>
-				@history = history
-				@fetching = false
-				@update!
-			.catch (err) ~>
-				console.error err
+		this.on('mount', () => {
+			this.api('i/signin_history').then(history => {
+				this.update({
+					fetching: false,
+					history: history
+				});
+			});
 
-			@stream.on \signin @on-signin
+			this.stream.on('signin', this.onSignin);
+		});
 
-		@on \unmount ~>
-			@stream.off \signin @on-signin
+		this.on('unmount', () => {
+			this.stream.off('signin', this.onSignin);
+		});
 
-		@on-signin = (signin) ~>
-			@history.unshift signin
-			@update!
+		this.onSignin = signin => {
+			this.history.unshift(signin);
+			this.update();
+		};
 	</script>
 </mk-signin-history>
diff --git a/src/web/app/common/tags/signin.tag b/src/web/app/common/tags/signin.tag
index 28d73b037f..c44ae3d6ee 100644
--- a/src/web/app/common/tags/signin.tag
+++ b/src/web/app/common/tags/signin.tag
@@ -97,42 +97,50 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@user = null
-		@signing = false
+		this.user = null;
+		this.signing = false;
 
-		@oninput = ~>
-			@api \users/show do
-				username: @refs.username.value
-			.then (user) ~>
-				@user = user
-				@trigger \user user
-				@update!
+		this.oninput = () => {
+			this.api('users/show', {
+				username: this.refs.username.value
+			}).then(user => {
+				this.user = user;
+				this.trigger('user', user);
+				this.update();
+			});
+		};
 
-		@onsubmit = (e) ~>
-			e.prevent-default!
+		this.onsubmit = e => {
+			e.preventDefault();
 
-			if @refs.username.value == ''
-				@refs.username.focus!
-				return false
-			if @refs.password.value == ''
-				@refs.password.focus!
-				return false
+			if (this.refs.username.value == '') {
+				this.refs.username.focus();
+				return false;
+			}
+			if (this.refs.password.value == '') {
+				this.refs.password.focus();
+				return false;
+			}
 
-			@signing = true
-			@update!
+			this.update({
+				signing: true
+			});
 
-			@api \signin do
-				username: @refs.username.value
-				password: @refs.password.value
-			.then ~>
-				location.reload!
-			.catch ~>
-				alert 'something happened'
-				@signing = false
-				@update!
+			this.api('signin', {
+				username: this.refs.username.value,
+				password: this.refs.password.value
+			}).then(() => {
+				location.reload();
+			}).catch(() => {
+				alert('something happened');
+				this.update({
+					signing: false
+				});
+			});
 
-			false
+			return false;
+		};
 	</script>
 </mk-signin>
diff --git a/src/web/app/common/tags/signup.tag b/src/web/app/common/tags/signup.tag
index 7af72807a5..f0358e2328 100644
--- a/src/web/app/common/tags/signup.tag
+++ b/src/web/app/common/tags/signup.tag
@@ -174,120 +174,126 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \get-password-strength
+		this.mixin('api');
+		this.mixin('get-password-strength');
 
-		@username-state = null
-		@password-strength = ''
-		@password-retype-state = null
-		@recaptchaed = false
+		this.usernameState = null;
+		this.passwordStrength = '';
+		this.passwordRetypeState = null;
+		this.recaptchaed = false;
 
-		window.on-recaptchaed = ~>
-			@recaptchaed = true
-			@update!
+		window.onEecaptchaed = () => {
+			this.recaptchaed = true;
+			this.update();
+		};
 
-		window.on-recaptcha-expired = ~>
-			@recaptchaed = false
-			@update!
+		window.onRecaptchaExpired = () => {
+			this.recaptchaed = false;
+			this.update();
+		};
 
-		@on \mount ~>
-			head = (document.get-elements-by-tag-name \head).0
-			script = document.create-element \script
-				..set-attribute \src \https://www.google.com/recaptcha/api.js
-			head.append-child script
+		this.on('mount', () => {
+			const head = document.getElementsByTagName('head')[0];
+			const script = document.createElement('script');
+			script.setAttribute('src', 'https://www.google.com/recaptcha/api.js');
+			head.appendChild(script);
+		});
 
-		@on-change-username = ~>
-			username = @refs.username.value
+		this.onChangeUsername = () => {
+			const username = this.refs.username.value;
 
-			if username == ''
-				@username-state = null
-				@update!
-				return
+			if (username == '') {
+				this.update({
+					usernameState: null
+				});
+				return;
+			}
 
-			err = switch
-				| not username.match /^[a-zA-Z0-9\-]+$/ => \invalid-format
-				| username.length < 3chars              => \min-range
-				| username.length > 20chars             => \max-range
-				| _                                     => null
+			const err =
+				!username.match(/^[a-zA-Z0-9\-]+$/) ? 'invalid-format' :
+				username.length < 3 ? 'min-range' :
+				username.length > 20 ? 'max-range' :
+				null;
 
-			if err?
-				@username-state = err
-				@update!
-			else
-				@username-state = \wait
-				@update!
+			if (err) {
+				this.update({
+					usernameState: err
+				});
+				return;
+			}
 
-				@api \username/available do
-					username: username
-				.then (result) ~>
-					if result.available
-						@username-state = \ok
-					else
-						@username-state = \unavailable
-					@update!
-				.catch (err) ~>
-					@username-state = \error
-					@update!
+			this.update({
+				usernameState: 'wait'
+			});
 
-		@on-change-password = ~>
-			password = @refs.password.value
-
-			if password == ''
-				@password-strength = ''
-				return
-
-			strength = @get-password-strength password
-
-			if strength > 0.3
-				@password-strength = \medium
-				if strength > 0.7
-					@password-strength = \high
-			else
-				@password-strength = \low
-
-			@update!
-
-			@refs.password-metar.style.width = (strength * 100) + \%
-
-		@on-change-password-retype = ~>
-			password = @refs.password.value
-			retyped-password = @refs.password-retype.value
-
-			if retyped-password == ''
-				@password-retype-state = null
-				return
-
-			if password == retyped-password
-				@password-retype-state = \match
-			else
-				@password-retype-state = \not-match
-
-		@onsubmit = (e) ~>
-			e.prevent-default!
-
-			username = @refs.username.value
-			password = @refs.password.value
-
-			locker = document.body.append-child document.create-element \mk-locker
-
-			@api \signup do
+			this.api('username/available', {
 				username: username
-				password: password
-				'g-recaptcha-response': grecaptcha.get-response!
-			.then ~>
-				@api \signin do
-					username: username
+			}).then(result => {
+				this.update({
+					usernameState: result.available ? 'ok' : 'unavailable'
+				});
+			}).catch(err => {
+				this.update({
+					usernameState: 'error'
+				});
+			});
+		};
+
+		this.onChangePassword = () => {
+			const password = this.refs.password.value;
+
+			if (password == '') {
+				this.passwordStrength = '';
+				return;
+			}
+
+			const strength = this.getPasswordStrength(password);
+			this.passwordStrength = strength > 0.7 ? 'high' : strength > 0.3 ? 'medium' : 'low';
+			this.update();
+			this.refs.passwordMetar.style.width = `${strength * 100}%`;
+		};
+
+		this.onChangePasswordRetype = () => {
+			const password = this.refs.password.value;
+			const retypedPassword = this.refs.passwordRetype.value;
+
+			if (retypedPassword == '') {
+				this.passwordRetypeState = null;
+				return;
+			}
+
+			this.passwordRetypeState = password == retypedPassword ? 'match' : 'not-match';
+		};
+
+		this.onsubmit = e => {
+			e.preventDefault();
+
+			const username = this.refs.username.value;
+			const password = this.refs.password.value;
+
+			const locker = document.body.appendChild(document.createElement('mk-locker'));
+
+			this.api('signup', {
+				username: username,
+				password: password,
+				'g-recaptcha-response': grecaptcha.getResponse()
+			}).then(() => {
+				this.api('signin', {
+					username: username,
 					password: password
-				.then ~>
+				}).then(() => {
 					location.href = CONFIG.url
-			.catch ~>
-				alert '何らかの原因によりアカウントの作成に失敗しました。再度お試しください。'
+				});
+			}).catch(() => {
+				alert('何らかの原因によりアカウントの作成に失敗しました。再度お試しください。');
 
-				grecaptcha.reset!
-				@recaptchaed = false
+				grecaptcha.reset();
+				this.recaptchaed = false;
 
-				locker.parent-node.remove-child locker
+				locker.parentNode.removeChild(locker);
+			});
 
-			false
+			return false;
+		};
 	</script>
 </mk-signup>
diff --git a/src/web/app/common/tags/special-message.tag b/src/web/app/common/tags/special-message.tag
index 53c54c9816..41bd5fe32a 100644
--- a/src/web/app/common/tags/special-message.tag
+++ b/src/web/app/common/tags/special-message.tag
@@ -20,8 +20,8 @@
 
 	</style>
 	<script>
-		now = new Date!
-		@d = now.get-date!
-		@m = now.get-month! + 1
+		const now = new Date();
+		this.d = now.getDate();
+		this.m = now.getMonth() + 1;
 	</script>
 </mk-special-message>
diff --git a/src/web/app/common/tags/stream-indicator.tag b/src/web/app/common/tags/stream-indicator.tag
new file mode 100644
index 0000000000..7d343a438a
--- /dev/null
+++ b/src/web/app/common/tags/stream-indicator.tag
@@ -0,0 +1,65 @@
+<mk-stream-indicator>
+	<p if={ state == 'initializing' }>
+		<i class="fa fa-spinner fa-spin"></i>
+		<span>接続中<mk-ellipsis></mk-ellipsis></span>
+	</p>
+	<p if={ state == 'reconnecting' }>
+		<i class="fa fa-spinner fa-spin"></i>
+		<span>切断されました 接続中<mk-ellipsis></mk-ellipsis></span>
+	</p>
+	<p if={ state == 'connected' }>
+		<i class="fa fa-check"></i>
+		<span>接続完了</span>
+	</p>
+	<style>
+		:scope
+			display block
+			pointer-events none
+			position fixed
+			z-index 16384
+			bottom 8px
+			right 8px
+			margin 0
+			padding 6px 12px
+			font-size 0.9em
+			color #fff
+			background rgba(0, 0, 0, 0.8)
+
+			> p
+				display block
+				margin 0
+
+				> i
+					margin-right 0.25em
+
+	</style>
+	<script>
+		this.mixin('stream');
+
+		this.on('before-mount', () => {
+			this.state = this.getStreamState();
+
+			if (this.state == 'connected') {
+				this.root.style.opacity = 0;
+			}
+		});
+
+		this.streamStateEv.on('connected', () => {
+			this.state = this.getStreamState();
+			this.update();
+			setTimeout(() => {
+				Velocity(this.root, {
+					opacity: 0
+				}, 200, 'linear');
+			}, 1000);
+		});
+
+		this.streamStateEv.on('closed', () => {
+			this.state = this.getStreamState();
+			this.update();
+			Velocity(this.root, {
+				opacity: 1
+			}, 0);
+		});
+	</script>
+</mk-stream-indicator>
diff --git a/src/web/app/common/tags/time.tag b/src/web/app/common/tags/time.tag
index 0c9a6d6f90..ad34115f60 100644
--- a/src/web/app/common/tags/time.tag
+++ b/src/web/app/common/tags/time.tag
@@ -1,41 +1,50 @@
 <mk-time>
-	<time datetime={ opts.time }><span if={ mode == 'relative' }>{ relative }</span><span if={ mode == 'absolute' }>{ absolute }</span><span if={ mode == 'detail' }>{ absolute } ({ relative })</span></time>
+	<time datetime={ opts.time }>
+		<span if={ mode == 'relative' }>{ relative }</span>
+		<span if={ mode == 'absolute' }>{ absolute }</span>
+		<span if={ mode == 'detail' }>{ absolute } ({ relative })</span>
+	</time>
 	<script>
-		@time = new Date @opts.time
-		@mode = @opts.mode || \relative
-		@tickid = null
+		this.time = new Date(this.opts.time);
+		this.mode = this.opts.mode || 'relative';
+		this.tickid = null;
 
-		@absolute =
-			@time.get-full-year! + \年 +
-			@time.get-month! + 1 + \月 +
-			@time.get-date!      + \日 +
+		this.absolute =
+			this.time.getFullYear()  + '年' +
+			this.time.getMonth() + 1 + '月' +
+			this.time.getDate()      + '日' +
 			' ' +
-			@time.get-hours!     + \時 +
-			@time.get-minutes!   + \分
+			this.time.getHours()     + '時' +
+			this.time.getMinutes()   + '分';
 
-		@on \mount ~>
-			if @mode == \relative or @mode == \detail
-				@tick!
-				@tickid = set-interval @tick, 1000ms
+		this.on('mount', () => {
+			if (this.mode == 'relative' || this.mode == 'detail') {
+				this.tick();
+				this.tickid = setInterval(this.tick, 1000);
+			}
+		});
 
-		@on \unmount ~>
-			if @mode == \relative or @mode == \detail
-				clear-interval @tickid
+		this.on('unmount', () => {
+			if (this.mode === 'relative' || this.mode === 'detail') {
+				clearInterval(this.tickid);
+			}
+		});
 
-		@tick = ~>
-			now = new Date!
-			ago = (now - @time) / 1000ms
-			@relative = switch
-				| ago >= 31536000s => ~~(ago / 31536000s) + '年前'
-				| ago >= 2592000s  => ~~(ago / 2592000s)  + 'ヶ月前'
-				| ago >= 604800s   => ~~(ago / 604800s)   + '週間前'
-				| ago >= 86400s    => ~~(ago / 86400s)    + '日前'
-				| ago >= 3600s     => ~~(ago / 3600s)     + '時間前'
-				| ago >= 60s       => ~~(ago / 60s)       + '分前'
-				| ago >= 10s       => ~~(ago % 60s)       + '秒前'
-				| ago >= 0s        =>                       'たった今'
-				| ago <  0s        =>                       '未来'
-				| _                =>                       'なぞのじかん'
-			@update!
+		this.tick = () => {
+			const now = new Date();
+			const ago = (now - this.time) / 1000/*ms*/;
+			this.relative =
+				ago >= 31536000 ? ~~(ago / 31536000) + '年前' :
+				ago >= 2592000  ? ~~(ago / 2592000)  + 'ヶ月前' :
+				ago >= 604800   ? ~~(ago / 604800)   + '週間前' :
+				ago >= 86400    ? ~~(ago / 86400)    + '日前' :
+				ago >= 3600     ? ~~(ago / 3600)     + '時間前' :
+				ago >= 60       ? ~~(ago / 60)       + '分前' :
+				ago >= 10       ? ~~(ago % 60)       + '秒前' :
+				ago >= 0        ?                      'たった今' :
+				ago <  0        ?                      '未来' :
+				                                       'なぞのじかん';
+			this.update();
+		};
 	</script>
 </mk-time>
diff --git a/src/web/app/common/tags/twitter-setting.tag b/src/web/app/common/tags/twitter-setting.tag
index 162ccd2928..6996c45b4d 100644
--- a/src/web/app/common/tags/twitter-setting.tag
+++ b/src/web/app/common/tags/twitter-setting.tag
@@ -24,6 +24,6 @@
 				color #8899a6
 	</style>
 	<script>
-		@mixin \i
+		this.mixin('i');
 	</script>
 </mk-twitter-setting>
diff --git a/src/web/app/common/tags/uploader.tag b/src/web/app/common/tags/uploader.tag
index 275a26c019..51520d9abd 100644
--- a/src/web/app/common/tags/uploader.tag
+++ b/src/web/app/common/tags/uploader.tag
@@ -140,56 +140,59 @@
 
 	</style>
 	<script>
-		@mixin \i
+		this.mixin('i');
 
-		@uploads = []
+		this.uploads = [];
 
-		
-		@upload = (file, folder) ~>
-			id = Math.random!
+		this.upload = (file, folder) => {
+			const id = Math.random();
 
-			ctx =
-				id: id
-				name: file.name || \untitled
+			const ctx = {
+				id: id,
+				name: file.name || 'untitled',
 				progress: undefined
+			};
 
-			@uploads.push ctx
-			@trigger \change-uploads @uploads
-			@update!
+			this.uploads.push(ctx);
+			this.trigger('change-uploads', this.uploads);
+			this.update();
 
-			reader = new FileReader!
-			reader.onload = (e) ~>
-				ctx.img = e.target.result
-				@update!
-			reader.read-as-data-URL file
+			const reader = new FileReader();
+			reader.onload = e => {
+				ctx.img = e.target.result;
+				this.update();
+			};
+			reader.readAsDataURL(file);
 
-			data = new FormData!
-			data.append \i @I.token
-			data.append \file file
+			const data = new FormData();
+			data.append('i', this.I.token);
+			data.append('file', file);
 
-			if folder?
-				data.append \folder_id folder
+			if (folder) data.append('folder_id', folder);
 
-			xhr = new XMLHttpRequest!
-			xhr.open \POST CONFIG.apiUrl + '/drive/files/create' true
-			xhr.onload = (e) ~>
-				drive-file = JSON.parse e.target.response
+			const xhr = new XMLHttpRequest();
+			xhr.open('POST', CONFIG.apiUrl + '/drive/files/create', true);
+			xhr.onload = e => {
+				const driveFile = JSON.parse(e.target.response);
 
-				@trigger \uploaded drive-file
+				this.trigger('uploaded', driveFile);
 
-				@uploads = @uploads.filter (x) -> x.id != id
-				@trigger \change-uploads @uploads
+				this.uploads = this.uploads.filter(x => x.id != id);
+				this.trigger('change-uploads', this.uploads);
 
-				@update!
+				this.update();
+			};
 
-			xhr.upload.onprogress = (e) ~>
-				if e.length-computable
-					if ctx.progress == undefined
-						ctx.progress = {}
-					ctx.progress.max = e.total
-					ctx.progress.value = e.loaded
-					@update!
+			xhr.upload.onprogress = e => {
+				if (e.lengthComputable) {
+					if (ctx.progress == undefined) ctx.progress = {};
+					ctx.progress.max = e.total;
+					ctx.progress.value = e.loaded;
+					this.update();
+				}
+			};
 
-			xhr.send data
+			xhr.send(data);
+		};
 	</script>
 </mk-uploader>
diff --git a/src/web/app/common/tags/url-preview.tag b/src/web/app/common/tags/url-preview.tag
index 7aab9d94e0..6daed4dbdf 100644
--- a/src/web/app/common/tags/url-preview.tag
+++ b/src/web/app/common/tags/url-preview.tag
@@ -91,22 +91,24 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@url = @opts.url
-		@loading = true
+		this.url = this.opts.url;
+		this.loading = true;
 
-		@on \mount ~>
-			fetch CONFIG.url + '/api:url?url=' + @url
-			.then (res) ~>
-				info <~ res.json!.then
-				@title = info.title
-				@description = info.description
-				@thumbnail = info.thumbnail
-				@icon = info.icon
-				@sitename = info.sitename
+		this.on('mount', () => {
+			fetch(CONFIG.url + '/api:url?url=' + this.url).then(res => {
+				res.json().then(info => {
+					this.title = info.title;
+					this.description = info.description;
+					this.thumbnail = info.thumbnail;
+					this.icon = info.icon;
+					this.sitename = info.sitename;
 
-				@loading = false
-				@update!
+					this.loading = false;
+					this.update();
+				});
+			});
+		});
 	</script>
 </mk-url-preview>
diff --git a/src/web/app/common/tags/url.tag b/src/web/app/common/tags/url.tag
index d4284b61bf..0ad9e72b5d 100644
--- a/src/web/app/common/tags/url.tag
+++ b/src/web/app/common/tags/url.tag
@@ -30,19 +30,20 @@
 
 	</style>
 	<script>
-		@url = @opts.href
+		this.url = this.opts.href;
 
-		@on \before-mount ~>
-			parser = document.create-element \a
-			parser.href = @url
+		this.on('before-mount', () => {
+			parser = document.createElement('a'); 
+			parser.href = this.url;
 
-			@schema = parser.protocol
-			@hostname = parser.hostname
-			@port = parser.port
-			@pathname = parser.pathname
-			@query = parser.search
-			@hash = parser.hash
+			this.schema = parser.protocol;
+			this.hostname = parser.hostname;
+			this.port = parser.port;
+			this.pathname = parser.pathname;
+			this.query = parser.search;
+			this.hash = parser.hash;
 
-			@update!
+			this.update();
+		});
 	</script>
 </mk-url>
diff --git a/src/web/app/desktop/tags/analog-clock.tag b/src/web/app/desktop/tags/analog-clock.tag
index d2458a7789..dcf4acaff8 100644
--- a/src/web/app/desktop/tags/analog-clock.tag
+++ b/src/web/app/desktop/tags/analog-clock.tag
@@ -6,100 +6,90 @@
 				display block
 				width 256px
 				height 256px
-
 	</style>
 	<script>
-		@on \mount ~>
-			@draw!
-			@clock = set-interval @draw, 1000ms
+		const Vec2 = function(x, y) {
+			this.x = x;
+			this.y = y;
+		};
 
-		@on \unmount ~>
-			clear-interval @clock
+		this.on('mount', () => {
+			this.draw()
+			this.clock = setInterval(this.draw, 1000);
+		});
 
-		@draw = ~>
-			now = new Date!
-			s = now.get-seconds!
-			m = now.get-minutes!
-			h = now.get-hours!
+		this.on('unmount', () => {
+			clearInterval(this.clock);
+		});
 
-			vec2 = (x, y) ->
-				@x = x
-				@y = y
+		this.draw = () => {
+			const now = new Date();
+			const s = now.getSeconds();
+			const m = now.getMinutes();
+			const h = now.getHours();
 
-			ctx = @refs.canvas.get-context \2d
-			canv-w = @refs.canvas.width
-			canv-h = @refs.canvas.height
-			ctx.clear-rect 0, 0, canv-w, canv-h
+			const ctx = this.refs.canvas.getContext('2d');
+			const canvW = this.refs.canvas.width;
+			const canvH = this.refs.canvas.height;
+			ctx.clearRect(0, 0, canvW, canvH);
 
-			# 背景
-			center = (Math.min (canv-w / 2), (canv-h / 2))
-			line-start = center * 0.90
-			line-end-short = center * 0.87
-			line-end-long = center * 0.84
-			for i from 0 to 59 by 1
-				angle = Math.PI * i / 30
-				uv = new vec2 (Math.sin angle), (-Math.cos angle)
-				ctx.begin-path!
-				ctx.line-width = 1
-				ctx.move-to do
-					(canv-w / 2) + uv.x * line-start
-					(canv-h / 2) + uv.y * line-start
-				if i % 5 == 0
-					ctx.stroke-style = 'rgba(255, 255, 255, 0.2)'
-					ctx.line-to do
-						(canv-w / 2) + uv.x * line-end-long
-						(canv-h / 2) + uv.y * line-end-long
-				else
-					ctx.stroke-style = 'rgba(255, 255, 255, 0.1)'
-					ctx.line-to do
-						(canv-w / 2) + uv.x * line-end-short
-						(canv-h / 2) + uv.y * line-end-short
-				ctx.stroke!
+			{ // 背景
+				const center = Math.min((canvW / 2), (canvH / 2));
+				const lineStart =    center * 0.90;
+				const shortLineEnd = center * 0.87;
+				const longLineEnd =  center * 0.84;
+				for (let i = 0; i < 60; i++) {
+					const angle = Math.PI * i / 30;
+					const uv = new Vec2(Math.sin(angle), -Math.cos(angle));
+					ctx.beginPath();
+					ctx.lineWidth = 1;
+					ctx.moveTo((canvW / 2) + uv.x * lineStart, (canvH / 2) + uv.y * lineStart);
+					if (i % 5 == 0) {
+						ctx.strokeStyle = 'rgba(255, 255, 255, 0.2)';
+						ctx.lineTo((canvW / 2) + uv.x * longLineEnd, (canvH / 2) + uv.y * longLineEnd);
+					} else {
+						ctx.strokeStyle = 'rgba(255, 255, 255, 0.1)';
+						ctx.lineTo((canvW / 2) + uv.x * shortLineEnd, (canvH / 2) + uv.y * shortLineEnd);
+					}
+					ctx.stroke();
+				}
+			}
 
-			# 分
-			angle = Math.PI * (m + s / 60) / 30
-			length = (Math.min canv-w, canv-h) / 2.6
-			uv = new vec2 (Math.sin angle), (-Math.cos angle)
-			ctx.begin-path!
-			ctx.stroke-style = \#ffffff
-			ctx.line-width = 2
-			ctx.move-to do
-				(canv-w / 2) - uv.x * length / 5
-				(canv-h / 2) - uv.y * length / 5
-			ctx.line-to do
-				(canv-w / 2) + uv.x * length
-				(canv-h / 2) + uv.y * length
-			ctx.stroke!
+			{ // 分
+				const angle = Math.PI * (m + s / 60) / 30;
+				const length = Math.min(canvW, canvH) / 2.6;
+				const uv = new Vec2(Math.sin(angle), -Math.cos(angle));
+				ctx.beginPath();
+				ctx.strokeStyle = '#ffffff';
+				ctx.lineWidth = 2;
+				ctx.moveTo(canvW / 2 - uv.x * length / 5, canvH / 2 - uv.y * length / 5);
+				ctx.lineTo(canvW / 2 + uv.x * length,     canvH / 2 + uv.y * length);
+				ctx.stroke();
+			}
 
-			# 時
-			angle = Math.PI * (h % 12 + m / 60) / 6
-			length = (Math.min canv-w, canv-h) / 4
-			uv = new vec2 (Math.sin angle), (-Math.cos angle)
-			ctx.begin-path!
-			#ctx.stroke-style = \#ffffff
-			ctx.stroke-style = CONFIG.theme-color
-			ctx.line-width = 2
-			ctx.move-to do
-				(canv-w / 2) - uv.x * length / 5
-				(canv-h / 2) - uv.y * length / 5
-			ctx.line-to do
-				(canv-w / 2) + uv.x * length
-				(canv-h / 2) + uv.y * length
-			ctx.stroke!
+			{ // 時
+				const angle = Math.PI * (h % 12 + m / 60) / 6;
+				const length = Math.min(canvW, canvH) / 4;
+				const uv = new Vec2(Math.sin(angle), -Math.cos(angle));
+				ctx.beginPath();
+				ctx.strokeStyle = CONFIG.themeColor;
+				ctx.lineWidth = 2;
+				ctx.moveTo(canvW / 2 - uv.x * length / 5, canvH / 2 - uv.y * length / 5);
+				ctx.lineTo(canvW / 2 + uv.x * length,     canvH / 2 + uv.y * length);
+				ctx.stroke();
+			}
 
-			# 秒
-			angle = Math.PI * s / 30
-			length = (Math.min canv-w, canv-h) / 2.6
-			uv = new vec2 (Math.sin angle), (-Math.cos angle)
-			ctx.begin-path!
-			ctx.stroke-style = 'rgba(255, 255, 255, 0.5)'
-			ctx.line-width = 1
-			ctx.move-to do
-				(canv-w / 2) - uv.x * length / 5
-				(canv-h / 2) - uv.y * length / 5
-			ctx.line-to do
-				(canv-w / 2) + uv.x * length
-				(canv-h / 2) + uv.y * length
-			ctx.stroke!
+			{ // 秒
+				const angle = Math.PI * s / 30;
+				const length = Math.min(canvW, canvH) / 2.6;
+				const uv = new Vec2(Math.sin(angle), -Math.cos(angle));
+				ctx.beginPath();
+				ctx.strokeStyle = 'rgba(255, 255, 255, 0.5)';
+				ctx.lineWidth = 1;
+				ctx.moveTo(canvW / 2 - uv.x * length / 5, canvH / 2 - uv.y * length / 5);
+				ctx.lineTo(canvW / 2 + uv.x * length,     canvH / 2 + uv.y * length);
+				ctx.stroke();
+			}
+		};
 	</script>
 </mk-analog-clock>
diff --git a/src/web/app/desktop/tags/autocomplete-suggestion.tag b/src/web/app/desktop/tags/autocomplete-suggestion.tag
index 4aea8d8881..c7cc29dc19 100644
--- a/src/web/app/desktop/tags/autocomplete-suggestion.tag
+++ b/src/web/app/desktop/tags/autocomplete-suggestion.tag
@@ -80,108 +80,118 @@
 
 	</style>
 	<script>
-		@mixin \api
+		const contains = require('../../common/scripts/contains');
 
-		@q = @opts.q
-		@textarea = @opts.textarea
-		@loading = true
-		@users = []
-		@select = -1
+		this.mixin('api');
 
-		@on \mount ~>
-			@textarea.add-event-listener \keydown @on-keydown
+		this.q = this.opts.q;
+		this.textarea = this.opts.textarea;
+		this.fetching = true;
+		this.users = [];
+		this.select = -1;
 
-			all = document.query-selector-all 'body *'
-			Array.prototype.for-each.call all, (el) ~>
-				el.add-event-listener \mousedown @mousedown
+		this.on('mount', () => {
+			this.textarea.addEventListener('keydown', this.onKeydown);
 
-			@api \users/search_by_username do
-				query: @q
-				limit: 30users
-			.then (users) ~>
-				@users = users
-				@loading = false
-				@update!
-			.catch (err) ~>
-				console.error err
+			document.querySelectorAll('body *').forEach(el => {
+				el.addEventListener('mousedown', this.mousedown);
+			});
 
-		@on \unmount ~>
-			@textarea.remove-event-listener \keydown @on-keydown
+			this.api('users/search_by_username', {
+				query: this.q,
+				limit: 30
+			}).then(users => {
+				this.update({
+					fetching: false,
+					users: users
+				});
+			});
+		});
 
-			all = document.query-selector-all 'body *'
-			Array.prototype.for-each.call all, (el) ~>
-				el.remove-event-listener \mousedown @mousedown
+		this.on('unmount', () => {
+			this.textarea.removeEventListener('keydown', this.onKeydown);
 
-		@mousedown = (e) ~>
-			if (!contains @root, e.target) and (@root != e.target)
-				@close!
+			document.querySelectorAll('body *').forEach(el => {
+				el.removeEventListener('mousedown', this.mousedown);
+			});
+		});
 
-		@on-click = (e) ~>
-			@complete e.item
+		this.mousedown = e => {
+			if (!contains(this.root, e.target) && (this.root != e.target)) this.close();
+		};
 
-		@on-keydown = (e) ~>
-			key = e.which
-			switch (key)
-				| 10, 13 => # Key[ENTER]
-					if @select != -1
-						e.prevent-default!
-						e.stop-propagation!
-						@complete @users[@select]
-					else
-						@close!
-				| 27 => # Key[ESC]
-					e.prevent-default!
-					e.stop-propagation!
-					@close!
-				| 38 => # Key[↑]
-					if @select != -1
-						e.prevent-default!
-						e.stop-propagation!
-						@select-prev!
-					else
-						@close!
-				| 9, 40 => # Key[TAB] or Key[↓]
-					e.prevent-default!
-					e.stop-propagation!
-					@select-next!
-				| _ =>
-					@close!
+		this.onClick = e => {
+			this.complete(e.item);
+		};
 
-		@select-next = ~>
-			@select++
+		this.onKeydown = e => {
+			const cancel = () => {
+				e.preventDefault();
+				e.stopPropagation();
+			};
 
-			if @select >= @users.length
-				@select = 0
+			switch (e.which) {
+				case 10: // [ENTER]
+				case 13: // [ENTER]
+					if (this.select !== -1) {
+						cancel();
+						this.complete(this.users[this.select]);
+					} else {
+						this.close();
+					}
+					break;
 
-			@apply-select!
+				case 27: // [ESC]
+					cancel();
+					this.close();
+					break;
 
-		@select-prev = ~>
-			@select--
+				case 38: // [↑]
+					if (this.select !== -1) {
+						cancel();
+						this.selectPrev();
+					} else {
+						this.close();
+					}
+					break;
 
-			if @select < 0
-				@select = @users.length - 1
+				case 9: // [TAB]
+				case 40: // [↓]
+					cancel();
+					this.selectNext();
+					break;
 
-			@apply-select!
+				default:
+					this.close();
+			}
+		};
 
-		@apply-select = ~>
-			@refs.users.children.for-each (el) ~>
-				el.remove-attribute \data-selected
+		this.selectNext = () => {
+			if (++this.select >= this.users.length) this.select = 0;
+			this.applySelect();
+		};
 
-			@refs.users.children[@select].set-attribute \data-selected \true
-			@refs.users.children[@select].focus!
+		this.selectPrev = () => {
+			if (--this.select < 0) this.select = this.users.length - 1;
+			this.applySelect();
+		};
 
-		@complete = (user) ~>
-			@opts.complete user
+		this.applySelect = () => {
+			this.refs.users.children.forEach(el => {
+				el.removeAttribute('data-selected');
+			});
 
-		@close = ~>
-			@opts.close!
+			this.refs.users.children[this.select].setAttribute('data-selected', 'true');
+			this.refs.users.children[this.select].focus();
+		};
+
+		this.complete = user => {
+			this.opts.complete(user);
+		};
+
+		this.close = () => {
+			this.opts.close();
+		};
 
-		function contains(parent, child)
-			node = child.parent-node
-			while node?
-				if node == parent
-					return true
-				node = node.parent-node
-			return false
 	</script>
 </mk-autocomplete-suggestion>
diff --git a/src/web/app/desktop/tags/big-follow-button.tag b/src/web/app/desktop/tags/big-follow-button.tag
index dfee12b2a0..9d12b5a53e 100644
--- a/src/web/app/desktop/tags/big-follow-button.tag
+++ b/src/web/app/desktop/tags/big-follow-button.tag
@@ -70,58 +70,74 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \is-promise
-		@mixin \stream
+		this.mixin('api');
+		this.mixin('is-promise');
+		this.mixin('stream');
 
-		@user = null
-		@user-promise = if @is-promise @opts.user then @opts.user else Promise.resolve @opts.user
-		@init = true
-		@wait = false
+		this.user = null;
+		this.userPromise = this.isPromise(this.opts.user)
+			? this.opts.user
+			: Promise.resolve(this.opts.user);
+		this.init = true;
+		this.wait = false;
 
-		@on \mount ~>
-			@user-promise.then (user) ~>
-				@user = user
-				@init = false
-				@update!
-				@stream.on \follow @on-stream-follow
-				@stream.on \unfollow @on-stream-unfollow
+		this.on('mount', () => {
+			this.userPromise.then(user => {
+				this.update({
+					init: false,
+					user: user
+				});
+				this.stream.on('follow', this.onStreamFollow);
+				this.stream.on('unfollow', this.onStreamUnfollow);
+			});
+		});
 
-		@on \unmount ~>
-			@stream.off \follow @on-stream-follow
-			@stream.off \unfollow @on-stream-unfollow
+		this.on('unmount', () => {
+			this.stream.off('follow', this.onStreamFollow);
+			this.stream.off('unfollow', this.onStreamUnfollow);
+		});
 
-		@on-stream-follow = (user) ~>
-			if user.id == @user.id
-				@user = user
-				@update!
+		this.onStreamFollow = user => {
+			if (user.id == this.user.id) {
+				this.update({
+					user: user
+				});
+			}
+		};
 
-		@on-stream-unfollow = (user) ~>
-			if user.id == @user.id
-				@user = user
-				@update!
+		this.onStreamUnfollow = user => {
+			if (user.id == this.user.id) {
+				this.update({
+					user: user
+				});
+			}
+		};
 
-		@onclick = ~>
-			@wait = true
-			if @user.is_following
-				@api \following/delete do
-					user_id: @user.id
-				.then ~>
-					@user.is_following = false
-				.catch (err) ->
-					console.error err
-				.then ~>
-					@wait = false
-					@update!
-			else
-				@api \following/create do
-					user_id: @user.id
-				.then ~>
-					@user.is_following = true
-				.catch (err) ->
-					console.error err
-				.then ~>
-					@wait = false
-					@update!
+		this.onclick = () => {
+			this.wait = true;
+			if (this.user.is_following) {
+				this.api('following/delete', {
+					user_id: this.user.id
+				}).then(() => {
+					this.user.is_following = false;
+				}).catch(err => {
+					console.error(err);
+				}).then(() => {
+					this.wait = false;
+					this.update();
+				});
+			} else {
+				this.api('following/create', {
+					user_id: this.user.id
+				}).then(() => {
+					this.user.is_following = true;
+				}).catch(err => {
+					console.error(err);
+				}).then(() => {
+					this.wait = false;
+					this.update();
+				});
+			}
+		};
 	</script>
 </mk-big-follow-button>
diff --git a/src/web/app/desktop/tags/contextmenu.tag b/src/web/app/desktop/tags/contextmenu.tag
index b22948b7d4..8df11c3819 100644
--- a/src/web/app/desktop/tags/contextmenu.tag
+++ b/src/web/app/desktop/tags/contextmenu.tag
@@ -1,4 +1,5 @@
-<mk-contextmenu><yield />
+<mk-contextmenu>
+	<yield />
 	<style>
 		:scope
 			$width = 240px
@@ -94,46 +95,45 @@
 
 	</style>
 	<script>
-		@root.add-event-listener \contextmenu (e) ~>
-			e.prevent-default!
+		const contains = require('../../common/scripts/contains');
 
-		@mousedown = (e) ~>
-			e.prevent-default!
-			if (!contains @root, e.target) and (@root != e.target)
-				@close!
-			return false
+		this.root.addEventListener('contextmenu', e => {
+			e.preventDefault();
+		});
 
-		@open = (pos) ~>
-			all = document.query-selector-all 'body *'
-			Array.prototype.for-each.call all, (el) ~>
-				el.add-event-listener \mousedown @mousedown
-			@root.style.display = \block
-			@root.style.left = pos.x + \px
-			@root.style.top = pos.y + \px
+		this.mousedown = e => {
+			e.preventDefault();
+			if (!contains(this.root, e.target) && (this.root != e.target)) this.close();
+			return false;
+		};
 
-			Velocity @root, \finish true
-			Velocity @root, { opacity: 0 } 0ms
-			Velocity @root, {
+		this.open = pos => {
+			document.querySelectorAll('body *').forEach(el => {
+				el.addEventListener('mousedown', this.mousedown);
+			});
+
+			this.root.style.display = 'block';
+			this.root.style.left = pos.x + 'px';
+			this.root.style.top = pos.y + 'px';
+
+			Velocity(this.root, 'finish', true);
+			Velocity(this.root, { opacity: 0 }, 0);
+			Velocity(this.root, {
 				opacity: 1
-			} {
-				queue: false
-				duration: 100ms
-				easing: \linear
-			}
+			}, {
+				queue: false,
+				duration: 100,
+				easing: 'linear'
+			});
+		};
 
-		@close = ~>
-			all = document.query-selector-all 'body *'
-			Array.prototype.for-each.call all, (el) ~>
-				el.remove-event-listener \mousedown @mousedown
-			@trigger \closed
-			@unmount!
+		this.close = () => {
+			document.querySelectorAll('body *').forEach(el => {
+				el.removeEventListener('mousedown', this.mousedown);
+			});
 
-		function contains(parent, child)
-			node = child.parent-node
-			while (node != null)
-				if (node == parent)
-					return true
-				node = node.parent-node
-			return false
+			this.trigger('closed');
+			this.unmount();
+		};
 	</script>
 </mk-contextmenu>
diff --git a/src/web/app/desktop/tags/crop-window.tag b/src/web/app/desktop/tags/crop-window.tag
index 8d27f4c512..2cadc29948 100644
--- a/src/web/app/desktop/tags/crop-window.tag
+++ b/src/web/app/desktop/tags/crop-window.tag
@@ -158,31 +158,37 @@
 
 	</style>
 	<script>
-		@mixin \cropper
+		this.mixin('cropper');
 
-		@image = @opts.file
-		@title = @opts.title
-		@aspect-ratio = @opts.aspect-ratio
-		@cropper = null
+		this.image = this.opts.file;
+		this.title = this.opts.title;
+		this.aspectRatio = this.opts.aspectRatio;
+		this.cropper = null;
 
-		@on \mount ~>
-			@img = @refs.window.refs.img
-			@cropper = new @Cropper @img, do
-				aspect-ratio: @aspect-ratio
-				highlight: no
-				view-mode: 1
+		this.on('mount', () => {
+			this.img = this.refs.window.refs.img;
+			this.cropper = new this.Cropper(this.img, {
+				aspectRatio: this.aspectRatio,
+				highlight: false,
+				viewMode: 1
+			});
+		});
 
-		@ok = ~>
-			@cropper.get-cropped-canvas!.to-blob (blob) ~>
-				@trigger \cropped blob
-				@refs.window.close!
+		this.ok = () => {
+			this.cropper.getCroppedCanvas().toBlob(blob => {
+				this.trigger('cropped', blob);
+				this.refs.window.close();
+			});
+		};
 
-		@skip = ~>
-			@trigger \skiped
-			@refs.window.close!
+		this.skip = () => {
+			this.trigger('skiped');
+			this.refs.window.close();
+		};
 
-		@cancel = ~>
-			@trigger \canceled
-			@refs.window.close!
+		this.cancel = () => {
+			this.trigger('canceled');
+			this.refs.window.close();
+		};
 	</script>
 </mk-crop-window>
diff --git a/src/web/app/desktop/tags/dialog.tag b/src/web/app/desktop/tags/dialog.tag
index 528779242e..c0df0b330f 100644
--- a/src/web/app/desktop/tags/dialog.tag
+++ b/src/web/app/desktop/tags/dialog.tag
@@ -79,69 +79,72 @@
 
 	</style>
 	<script>
-		@can-through = if opts.can-through? then opts.can-through else true
-		@opts.buttons.for-each (button) ~>
-			button._onclick = ~>
-				if button.onclick?
-					button.onclick!
-				@close!
+		this.canThrough = opts.canThrough != null ? opts.canThrough : true;
+		this.opts.buttons.forEach(button => {
+			button._onclick = () => {
+				if (button.onclick) button.onclick();
+				this.close();
+			};
+		});
 
-		@on \mount ~>
-			@refs.header.innerHTML = @opts.title
-			@refs.body.innerHTML = @opts.text
+		this.on('mount', () => {
+			this.refs.header.innerHTML = this.opts.title;
+			this.refs.body.innerHTML = this.opts.text;
 
-			@refs.bg.style.pointer-events = \auto
-			Velocity @refs.bg, \finish true
-			Velocity @refs.bg, {
+			this.refs.bg.style.pointerEvents = 'auto';
+			Velocity(this.refs.bg, 'finish', true);
+			Velocity(this.refs.bg, {
 				opacity: 1
-			} {
-				queue: false
-				duration: 100ms
-				easing: \linear
-			}
+			}, {
+				queue: false,
+				duration: 100,
+				easing: 'linear'
+			});
 
-			Velocity @refs.main, {
-				opacity: 0
+			Velocity(this.refs.main, {
+				opacity: 0,
 				scale: 1.2
-			} {
+			}, {
 				duration: 0
-			}
-			Velocity @refs.main, {
-				opacity: 1
+			});
+			Velocity(this.refs.main, {
+				opacity: 1,
 				scale: 1
-			} {
-				duration: 300ms
+			}, {
+				duration: 300,
 				easing: [ 0, 0.5, 0.5, 1 ]
-			}
+			});
+		});
 
-		@close = ~>
-			@refs.bg.style.pointer-events = \none
-			Velocity @refs.bg, \finish true
-			Velocity @refs.bg, {
+		this.close = () => {
+			this.refs.bg.style.pointerEvents = 'none';
+			Velocity(this.refs.bg, 'finish', true);
+			Velocity(this.refs.bg, {
 				opacity: 0
-			} {
-				queue: false
-				duration: 300ms
-				easing: \linear
-			}
+			}, {
+				queue: false,
+				duration: 300,
+				easing: 'linear' 
+			});
 
-			@refs.main.style.pointer-events = \none
-			Velocity @refs.main, \finish true
-			Velocity @refs.main, {
-				opacity: 0
+			this.refs.main.style.pointerEvents = 'none';
+			Velocity(this.refs.main, 'finish', true);
+			Velocity(this.refs.main, {
+				opacity: 0,
 				scale: 0.8
-			} {
-				queue: false
-				duration: 300ms
-				easing: [ 0.5, -0.5, 1, 0.5 ]
-				complete: ~>
-					@unmount!
-			}
+			}, {
+				queue: false,
+				duration: 300,
+				easing: [ 0.5, -0.5, 1, 0.5 ],
+				complete: () => this.unmount()
+			});
+		};
 
-		@bg-click = ~>
-			if @can-through
-				if @opts.on-through?
-					@opts.on-through!
-				@close!
+		this.bgClick = () => {
+			if (this.canThrough) {
+				if (this.opts.onThrough) this.opts.onThrough();
+				this.close();
+			}
+		};
 	</script>
 </mk-dialog>
diff --git a/src/web/app/desktop/tags/donation.tag b/src/web/app/desktop/tags/donation.tag
index 7d0056d36f..e313188f24 100644
--- a/src/web/app/desktop/tags/donation.tag
+++ b/src/web/app/desktop/tags/donation.tag
@@ -47,21 +47,22 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \i
+		this.mixin('api');
+		this.mixin('i');
 
-		@close = (e) ~>
-			e.prevent-default!
-			e.stop-propagation!
+		this.close = e => {
+			e.preventDefault();
+			e.stopPropagation();
 
-			@I.data.no_donation = true
-			@I.update!
-			@api \i/appdata/set do
-				data: JSON.stringify do
-					no_donation: @I.data.no_donation
+			this.I.data.no_donation = true;
+			this.I.update();
+			this.api('i/appdata/set', {
+				data: JSON.stringify({
+					no_donation: this.I.data.no_donation
+				})
+			});
 
-			@unmount!
-
-			@parent.parent.set-root-layout!
+			this.unmount();
+		};
 	</script>
 </mk-donation>
diff --git a/src/web/app/desktop/tags/drive/base-contextmenu.tag b/src/web/app/desktop/tags/drive/base-contextmenu.tag
index c3a613d32b..2a95de0cd5 100644
--- a/src/web/app/desktop/tags/drive/base-contextmenu.tag
+++ b/src/web/app/desktop/tags/drive/base-contextmenu.tag
@@ -13,26 +13,32 @@
 		</ul>
 	</mk-contextmenu>
 	<script>
-		@browser = @opts.browser
+		this.browser = this.opts.browser;
 
-		@on \mount ~>
-			@refs.ctx.on \closed ~>
-				@trigger \closed
-				@unmount!
+		this.on('mount', () => {
+			this.refs.ctx.on('closed', () => {
+				this.trigger('closed');
+				this.unmount();
+			});
+		});
 
-		@open = (pos) ~>
-			@refs.ctx.open pos
+		this.open = pos => {
+			this.refs.ctx.open(pos);
+		};
 
-		@create-folder = ~>
-			@browser.create-folder!
-			@refs.ctx.close!
+		this.createFolder = () => {
+			this.browser.createFolder();
+			this.refs.ctx.close();
+		};
 
-		@upload = ~>
-			@browser.select-local-file!
-			@refs.ctx.close!
+		this.upload = () => {
+			this.browser.selectLocalFile();
+			this.refs.ctx.close();
+		};
 
-		@url-upload = ~>
-			@browser.url-upload!
-			@refs.ctx.close!
+		this.urlUpload = () => {
+			this.browser.urlUpload();
+			this.refs.ctx.close();
+		};
 	</script>
 </mk-drive-browser-base-contextmenu>
diff --git a/src/web/app/desktop/tags/drive/browser-window.tag b/src/web/app/desktop/tags/drive/browser-window.tag
index c975427893..a658e36063 100644
--- a/src/web/app/desktop/tags/drive/browser-window.tag
+++ b/src/web/app/desktop/tags/drive/browser-window.tag
@@ -28,19 +28,24 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@folder = if @opts.folder? then @opts.folder else null
+		this.folder = this.opts.folder ? this.opts.folder : null;
 
-		@on \mount ~>
-			@refs.window.on \closed ~>
-				@unmount!
+		this.on('mount', () => {
+			this.refs.window.on('closed', () => {
+				this.unmount();
+			});
 
-			@api \drive .then (info) ~>
-				@update do
+			this.api('drive').then(info => {
+				this.update({
 					usage: info.usage / info.capacity * 100
+				});
+			});
+		});
 
-		@close = ~>
-			@refs.window.close!
+		this.close = () => {
+			this.refs.window.close();
+		};
 	</script>
 </mk-drive-browser-window>
diff --git a/src/web/app/desktop/tags/drive/browser.tag b/src/web/app/desktop/tags/drive/browser.tag
index 1e8448dab2..1e8b17cfcd 100644
--- a/src/web/app/desktop/tags/drive/browser.tag
+++ b/src/web/app/desktop/tags/drive/browser.tag
@@ -8,7 +8,7 @@
 		</div>
 		<input class="search" type="search" placeholder="&#xf002; 検索"/>
 	</nav>
-	<div class="main { uploading: uploads.length > 0, loading: loading }" ref="main" onmousedown={ onmousedown } ondragover={ ondragover } ondragenter={ ondragenter } ondragleave={ ondragleave } ondrop={ ondrop } oncontextmenu={ oncontextmenu }>
+	<div class="main { uploading: uploads.length > 0, fetching: fetching }" ref="main" onmousedown={ onmousedown } ondragover={ ondragover } ondragenter={ ondragenter } ondragleave={ ondragleave } ondrop={ ondrop } oncontextmenu={ oncontextmenu }>
 		<div class="selection" ref="selection"></div>
 		<div class="contents" ref="contents">
 			<div class="folders" ref="foldersContainer" if={ folders.length > 0 }>
@@ -23,13 +23,13 @@
 				</virtual>
 				<button if={ moreFiles }>もっと読み込む</button>
 			</div>
-			<div class="empty" if={ files.length == 0 && folders.length == 0 && !loading }>
+			<div class="empty" if={ files.length == 0 && folders.length == 0 && !fetching }>
 				<p if={ draghover }>ドロップですか？いいですよ、ボクはカワイイですからね</p>
 				<p if={ !draghover && folder == null }><strong>ドライブには何もありません。</strong><br/>右クリックして「ファイルをアップロード」を選んだり、ファイルをドラッグ&ドロップすることでもアップロードできます。</p>
 				<p if={ !draghover && folder != null }>このフォルダーは空です</p>
 			</div>
 		</div>
-		<div class="loading" if={ loading }>
+		<div class="loading" if={ fetching }>
 			<div class="spinner">
 				<div class="dot1"></div>
 				<div class="dot2"></div>
@@ -133,7 +133,7 @@
 				&, *
 					user-select none
 
-				&.loading
+				&.fetching
 					cursor wait !important
 
 					*
@@ -184,7 +184,7 @@
 						> p
 							margin 0
 
-				> .loading
+				> .fetching
 					.spinner
 						margin 100px auto
 						width 40px
@@ -238,418 +238,439 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \dialog
-		@mixin \input-dialog
-		@mixin \stream
-
-		@files = []
-		@folders = []
-		@hierarchy-folders = []
-
-		@uploads = []
-
-		# 現在の階層(フォルダ)
-		# * null でルートを表す
-		@folder = null
-
-		@multiple = if @opts.multiple? then @opts.multiple else false
-
-		# ドロップされようとしているか
-		@draghover = false
-
-		# 自信の所有するアイテムがドラッグをスタートさせたか
-		# (自分自身の階層にドロップできないようにするためのフラグ)
-		@is-drag-source = false
-
-		@on \mount ~>
-			@refs.uploader.on \uploaded (file) ~>
-				@add-file file, true
-
-			@refs.uploader.on \change-uploads (uploads) ~>
-				@uploads = uploads
-				@update!
-
-			@stream.on \drive_file_created @on-stream-drive-file-created
-			@stream.on \drive_file_updated @on-stream-drive-file-updated
-			@stream.on \drive_folder_created @on-stream-drive-folder-created
-			@stream.on \drive_folder_updated @on-stream-drive-folder-updated
-
-			# Riotのバグでnullを渡しても""になる
-			# https://github.com/riot/riot/issues/2080
-			#if @opts.folder?
-			if @opts.folder? and @opts.folder != ''
-				@move @opts.folder
-			else
-				@load!
-
-		@on \unmount ~>
-			@stream.off \drive_file_created @on-stream-drive-file-created
-			@stream.off \drive_file_updated @on-stream-drive-file-updated
-			@stream.off \drive_folder_created @on-stream-drive-folder-created
-			@stream.off \drive_folder_updated @on-stream-drive-folder-updated
-
-		@on-stream-drive-file-created = (file) ~>
-			@add-file file, true
-
-		@on-stream-drive-file-updated = (file) ~>
-			current = if @folder? then @folder.id else null
-			if current != file.folder_id
-				@remove-file file
-			else
-				@add-file file, true
-
-		@on-stream-drive-folder-created = (folder) ~>
-			@add-folder folder, true
-
-		@on-stream-drive-folder-updated = (folder) ~>
-			current = if @folder? then @folder.id else null
-			if current != folder.parent_id
-				@remove-folder folder
-			else
-				@add-folder folder, true
-
-		@onmousedown = (e) ~>
-			if (contains @refs.folders-container, e.target) or (contains @refs.files-container, e.target)
-				return true
-
-			rect = @refs.main.get-bounding-client-rect!
-
-			left = e.page-x + @refs.main.scroll-left - rect.left - window.page-x-offset
-			top = e.page-y + @refs.main.scroll-top - rect.top - window.page-y-offset
-
-			move = (e) ~>
-				@refs.selection.style.display = \block
-
-				cursor-x = e.page-x + @refs.main.scroll-left - rect.left - window.page-x-offset
-				cursor-y = e.page-y + @refs.main.scroll-top - rect.top - window.page-y-offset
-				w = cursor-x - left
-				h = cursor-y - top
-
-				if w > 0
-					@refs.selection.style.width = w + \px
-					@refs.selection.style.left = left + \px
-				else
-					@refs.selection.style.width = -w + \px
-					@refs.selection.style.left = cursor-x + \px
-
-				if h > 0
-					@refs.selection.style.height = h + \px
-					@refs.selection.style.top = top + \px
-				else
-					@refs.selection.style.height = -h + \px
-					@refs.selection.style.top = cursor-y + \px
-
-			up = (e) ~>
-				document.document-element.remove-event-listener \mousemove move
-				document.document-element.remove-event-listener \mouseup up
-
-				@refs.selection.style.display = \none
-
-			document.document-element.add-event-listener \mousemove move
-			document.document-element.add-event-listener \mouseup up
-
-		@path-oncontextmenu = (e) ~>
-			e.prevent-default!
-			e.stop-immediate-propagation!
-			return false
-
-		@ondragover = (e) ~>
-			e.prevent-default!
-			e.stop-propagation!
-
-			# ドラッグ元が自分自身の所有するアイテムかどうか
-			if !@is-drag-source
-				# ドラッグされてきたものがファイルだったら
-				if e.data-transfer.effect-allowed == \all
-					e.data-transfer.drop-effect = \copy
-				else
-					e.data-transfer.drop-effect = \move
-				@draghover = true
-			else
-				# 自分自身にはドロップさせない
-				e.data-transfer.drop-effect = \none
-			return false
-
-		@ondragenter = (e) ~>
-			e.prevent-default!
-			if !@is-drag-source
-				@draghover = true
-
-		@ondragleave = (e) ~>
-			@draghover = false
-
-		@ondrop = (e) ~>
-			e.prevent-default!
-			e.stop-propagation!
-
-			@draghover = false
-
-			# ドロップされてきたものがファイルだったら
-			if e.data-transfer.files.length > 0
-				Array.prototype.for-each.call e.data-transfer.files, (file) ~>
-					@upload file, @folder
-				return false
-
-			# データ取得
-			data = e.data-transfer.get-data 'text'
-			if !data?
-				return false
-
-			# パース
-			obj = JSON.parse data
-
-			# (ドライブの)ファイルだったら
-			if obj.type == \file
-				file = obj.id
-				if (@files.some (f) ~> f.id == file)
-					return false
-				@remove-file file
-				@api \drive/files/update do
-					file_id: file
-					folder_id: if @folder? then @folder.id else null
-				.then ~>
-					# something
-				.catch (err, text-status) ~>
-					console.error err
-
-			# (ドライブの)フォルダーだったら
-			else if obj.type == \folder
-				folder = obj.id
-				# 移動先が自分自身ならreject
-				if @folder? and folder == @folder.id
-					return false
-				if (@folders.some (f) ~> f.id == folder)
-					return false
-				@remove-folder folder
-				@api \drive/folders/update do
-					folder_id: folder
-					parent_id: if @folder? then @folder.id else null
-				.then ~>
-					# something
-				.catch (err) ~>
-					if err == 'detected-circular-definition'
-						@dialog do
-							'<i class="fa fa-exclamation-triangle"></i>操作を完了できません'
-							'移動先のフォルダーは、移動するフォルダーのサブフォルダーです。'
-							[
-								text: \OK
-							]
-
-			return false
-
-		@oncontextmenu = (e) ~>
-			e.prevent-default!
-			e.stop-immediate-propagation!
-
-			ctx = document.body.append-child document.create-element \mk-drive-browser-base-contextmenu
-			ctx = riot.mount ctx, do
-				browser: @
-			ctx = ctx.0
-			ctx.open do
-				x: e.page-x - window.page-x-offset
-				y: e.page-y - window.page-y-offset
-
-			return false
-
-		@select-local-file = ~>
-			@refs.file-input.click!
-
-		@url-upload = ~>
-			url <~ @input-dialog do
-				'URLアップロード'
-				'アップロードしたいファイルのURL'
-				null
-
-			if url? and url != ''
-				@api \drive/files/upload_from_url do
-					url: url
-					folder_id: if @folder? then @folder.id else undefined
-
-				@dialog do
-					'<i class="fa fa-check"></i>アップロードをリクエストしました'
-					'アップロードが完了するまで時間がかかる場合があります。'
-					[
-						text: \OK
-					]
-
-		@create-folder = ~>
-			name <~ @input-dialog do
-				'フォルダー作成'
-				'フォルダー名'
-				null
-
-			@api \drive/folders/create do
-				name: name
-				folder_id: if @folder? then @folder.id else undefined
-			.then (folder) ~>
-				@add-folder folder, true
-				@update!
-			.catch (err) ~>
-				console.error err
-
-		@change-file-input = ~>
-			files = @refs.file-input.files
-			for i from 0 to files.length - 1
-				file = files.item i
-				@upload file, @folder
-
-		@upload = (file, folder) ~>
-			if folder? and typeof folder == \object
-				folder = folder.id
-			@refs.uploader.upload file, folder
-
-		@get-selection = ~>
-			@files.filter (file) -> file._selected
-
-		@new-window = (folder-id) ~>
-			browser = document.body.append-child document.create-element \mk-drive-browser-window
-			riot.mount browser, do
-				folder: folder-id
-
-		@move = (target-folder) ~>
-			if target-folder? and typeof target-folder == \object
-				target-folder = target-folder.id
-
-			if target-folder == null
-				@go-root!
-				return
-
-			@loading = true
-			@update!
-
-			@api \drive/folders/show do
-				folder_id: target-folder
-			.then (folder) ~>
-				@folder = folder
-				@hierarchy-folders = []
-
-				x = (f) ~>
-					@hierarchy-folders.unshift f
-					if f.parent?
-						x f.parent
-
-				if folder.parent?
-					x folder.parent
-
-				@update!
-				@load!
-			.catch (err, text-status) ->
-				console.error err
-
-		@add-folder = (folder, unshift = false) ~>
-			current = if @folder? then @folder.id else null
-			if current != folder.parent_id
-				return
-
-			if (@folders.some (f) ~> f.id == folder.id)
-				exist = (@folders.map (f) -> f.id).index-of folder.id
-				@folders[exist] = folder
-				@update!
-				return
-
-			if unshift
-				@folders.unshift folder
-			else
-				@folders.push folder
-
-			@update!
-
-		@add-file = (file, unshift = false) ~>
-			current = if @folder? then @folder.id else null
-			if current != file.folder_id
-				return
-
-			if (@files.some (f) ~> f.id == file.id)
-				exist = (@files.map (f) -> f.id).index-of file.id
-				@files[exist] = file
-				@update!
-				return
-
-			if unshift
-				@files.unshift file
-			else
-				@files.push file
-
-			@update!
-
-		@remove-folder = (folder) ~>
-			if typeof folder == \object
-				folder = folder.id
-			@folders = @folders.filter (f) -> f.id != folder
-			@update!
-
-		@remove-file = (file) ~>
-			if typeof file == \object
-				file = file.id
-			@files = @files.filter (f) -> f.id != file
-			@update!
-
-		@go-root = ~>
-			if @folder != null
-				@folder = null
-				@hierarchy-folders = []
-				@update!
-				@load!
-
-		@load = ~>
-			@folders = []
-			@files = []
-			@more-folders = false
-			@more-files = false
-			@loading = true
-			@update!
-
-			load-folders = null
-			load-files = null
-
-			folders-max = 30
-			files-max = 30
-
-			# フォルダ一覧取得
-			@api \drive/folders do
-				folder_id: if @folder? then @folder.id else null
-				limit: folders-max + 1
-			.then (folders) ~>
-				if folders.length == folders-max + 1
-					@more-folders = true
-					folders.pop!
-				load-folders := folders
-				complete!
-			.catch (err, text-status) ~>
-				console.error err
-
-			# ファイル一覧取得
-			@api \drive/files do
-				folder_id: if @folder? then @folder.id else null
-				limit: files-max + 1
-			.then (files) ~>
-				if files.length == files-max + 1
-					@more-files = true
-					files.pop!
-				load-files := files
-				complete!
-			.catch (err, text-status) ~>
-				console.error err
-
-			flag = false
-			complete = ~>
-				if flag
-					load-folders.for-each (folder) ~>
-						@add-folder folder
-					load-files.for-each (file) ~>
-						@add-file file
-					@loading = false
-					@update!
-				else
-					flag := true
-
-		function contains(parent, child)
-			node = child.parent-node
-			while node?
-				if node == parent
-					return true
-				node = node.parent-node
-			return false
+		const contains = require('../../../common/scripts/contains');
+
+		this.mixin('api');
+		this.mixin('dialog');
+		this.mixin('input-dialog');
+		this.mixin('stream');
+
+		this.files = [];
+		this.folders = [];
+		this.hierarchyFolders = [];
+
+		this.uploads = [];
+
+		// 現在の階層(フォルダ)
+		// * null でルートを表す
+		this.folder = null;
+
+		this.multiple = this.opts.multiple != null ? this.opts.multiple : false;
+
+		// ドロップされようとしているか
+		this.draghover = false;
+
+		// 自信の所有するアイテムがドラッグをスタートさせたか
+		// (自分自身の階層にドロップできないようにするためのフラグ)
+		this.isDragSource = false;
+
+		this.on('mount', () => {
+			this.refs.uploader.on('uploaded', file => {
+				this.addFile(file, true);
+			});
+
+			this.refs.uploader.on('change-uploads', uploads => {
+				this.update({
+					uploads: uploads
+				});
+			});
+
+			this.stream.on('drive_file_created', this.onStreamDriveFileCreated);
+			this.stream.on('drive_file_updated', this.onStreamDriveFileUpdated);
+			this.stream.on('drive_folder_created', this.onStreamDriveFolderCreated);
+			this.stream.on('drive_folder_updated', this.onStreamDriveFolderUpdated);
+
+			// Riotのバグでnullを渡しても""になる
+			// https://github.com/riot/riot/issues/2080
+			//if (this.opts.folder)
+			if (this.opts.folder && this.opts.folder != '') {
+				this.move(this.opts.folder);
+			} else {
+				this.load();
+			}
+		});
+
+		this.on('unmount', () => {
+			this.stream.off('drive_file_created', this.onStreamDriveFileCreated);
+			this.stream.off('drive_file_updated', this.onStreamDriveFileUpdated);
+			this.stream.off('drive_folder_created', this.onStreamDriveFolderCreated);
+			this.stream.off('drive_folder_updated', this.onStreamDriveFolderUpdated);
+		});
+
+		this.onStreamDriveFileCreated = file => {
+			this.addFile(file, true);
+		};
+
+		this.onStreamDriveFileUpdated = file => {
+			const current = this.folder ? this.folder.id : null;
+			if (current != file.folder_id) {
+				this.removeFile(file);
+			} else {
+				this.addFile(file, true);
+			}
+		};
+
+		this.onStreamDriveFolderCreated = folder => {
+			this.addFolder(folder, true);
+		};
+
+		this.onStreamDriveFolderUpdated = folder => {
+			const current = this.folder ? this.folder.id : null;
+			if (current != folder.parent_id) {
+				this.removeFolder(folder);
+			} else {
+				this.addFolder(folder, true);
+			}
+		};
+
+		this.onmousedown = e => {
+			if (contains(this.refs.foldersContainer, e.target) || contains(this.refs.filesContainer, e.target)) return true;
+
+			const rect = this.refs.main.getBoundingClientRect();
+
+			const left = e.pageX + this.refs.main.scrollLeft - rect.left - window.pageXOffset
+			const top = e.pageY + this.refs.main.scrollTop - rect.top - window.pageYOffset
+
+			const move = e => {
+				this.refs.selection.style.display = 'block';
+
+				const cursorX = e.pageX + this.refs.main.scrollLeft - rect.left - window.pageXOffset;
+				const cursorY = e.pageY + this.refs.main.scrollTop - rect.top - window.pageYOffset;
+				const w = cursorX - left;
+				const h = cursorY - top;
+
+				if (w > 0) {
+					this.refs.selection.style.width = w + 'px';
+					this.refs.selection.style.left = left + 'px';
+				} else {
+					this.refs.selection.style.width = -w + 'px';
+					this.refs.selection.style.left = cursorX + 'px';
+				}
+
+				if (h > 0) {
+					this.refs.selection.style.height = h + 'px';
+					this.refs.selection.style.top = top + 'px';
+				} else {
+					this.refs.selection.style.height = -h + 'px';
+					this.refs.selection.style.top = cursorY + 'px';
+				}
+			};
+
+			up = e => {
+				document.documentElement.removeEventListener('mousemove', move);
+				document.documentElement.removeEventListener('mouseup', up);
+
+				this.refs.selection.style.display = 'none';
+			};
+
+			document.documentElement.addEventListener('mousemove', move);
+			document.documentElement.addEventListener('mouseup', up);
+		};
+
+		this.pathOncontextmenu = e => {
+			e.preventDefault();
+			e.stopImmediatePropagation();
+			return false;
+		};
+
+		this.ondragover = e => {
+			e.preventDefault();
+			e.stopPropagation();
+
+			// ドラッグ元が自分自身の所有するアイテムかどうか
+			if (!this.isDragSource) {
+				// ドラッグされてきたものがファイルだったら
+				e.dataTransfer.dropEffect = e.dataTransfer.effectAllowed == 'all' ? 'copy' : 'move';
+				this.draghover = true;
+			} else {
+				// 自分自身にはドロップさせない
+				e.dataTransfer.dropEffect = 'none';
+				return false;
+			}
+		};
+
+		this.ondragenter = e => {
+			e.preventDefault();
+			if (!this.isDragSource) this.draghover = true;
+		};
+
+		this.ondragleave = e => {
+			this.draghover = false;
+		};
+
+		this.ondrop = e => {
+			e.preventDefault();
+			e.stopPropagation();
+
+			this.draghover = false;
+
+			// ドロップされてきたものがファイルだったら
+			if (e.dataTransfer.files.length > 0) {
+				e.dataTransfer.files.forEach(file => {
+					this.upload(file, this.folder);
+				});
+				return false;
+			}
+
+			// データ取得
+			const data = e.dataTransfer.getData('text');
+			if (data == null) return false;
+
+			// パース
+			// TODO: JSONじゃなかったら中断
+			const obj = JSON.parse(data);
+
+			// (ドライブの)ファイルだったら
+			if (obj.type == 'file') {
+				const file = obj.id;
+				if (this.files.some(f => f.id == file)) return false;
+				this.removeFile(file);
+				this.api('drive/files/update', {
+					file_id: file,
+					folder_id: this.folder ? this.folder.id : null
+				});
+			// (ドライブの)フォルダーだったら
+			} else if (obj.type == 'folder') {
+				const folder = obj.id;
+				// 移動先が自分自身ならreject
+				if (this.folder && folder == this.folder.id) return false;
+				if (this.folders.some(f => f.id == folder)) return false;
+				this.removeFolder(folder);
+				this.api('drive/folders/update', {
+					folder_id: folder,
+					parent_id: this.folder ? this.folder.id : null
+				}).then(() => {
+					// something
+				}).catch(err => {
+					switch (err) {
+						case 'detected-circular-definition':
+							this.dialog('<i class="fa fa-exclamation-triangle"></i>操作を完了できません',
+								'移動先のフォルダーは、移動するフォルダーのサブフォルダーです。', [{
+								text: 'OK'
+							}]);
+							break;
+						default:
+							alert('不明なエラー' + err);
+					}
+				});
+			}
+
+			return false;
+		};
+
+		this.oncontextmenu = e => {
+			e.preventDefault();
+			e.stopImmediatePropagation();
+
+			const ctx = riot.mount(document.body.appendChild(document.createElement('mk-drive-browser-base-contextmenu')), {
+				browser: this
+			})[0];
+			ctx.open({
+				x: e.pageX - window.pageXOffset,
+				y: e.pageY - window.pageYOffset
+			});
+
+			return false;
+		};
+
+		this.selectLocalFile = () => {
+			this.refs.fileInput.click();
+		};
+
+		this.urlUpload = () => {
+			this.inputDialog('URLアップロード', 'アップロードしたいファイルのURL', null, url => {
+				this.api('drive/files/upload_from_url', {
+					url: url,
+					folder_id: this.folder ? this.folder.id : undefined
+				});
+
+				this.dialog('<i class="fa fa-check"></i>アップロードをリクエストしました',
+					'アップロードが完了するまで時間がかかる場合があります。', [{
+					text: 'OK'
+				}]);
+			});
+		};
+
+		this.createFolder = () => {
+			this.inputDialog('フォルダー作成', 'フォルダー名', null, name => {
+				this.api('drive/folders/create', {
+					name: name,
+					folder_id: this.folder ? this.folder.id : undefined
+				}).then(folder => {
+					this.addFolder(folder, true);
+					this.update();
+				});
+			});
+		};
+
+		this.changeFileInput = () => {
+			this.refs.fileInput.files.forEach(file => {
+				this.upload(file, this.folder);
+			});
+		};
+
+		this.upload = (file, folder) => {
+			if (folder && typeof folder == 'object') folder = folder.id;
+			this.refs.uploader.upload(file, folder);
+		};
+
+		this.getSelection = () => {
+			this.files.filter(file => file._selected);
+		};
+
+		this.newWindow = folderId => {
+			riot.mount(document.body.appendChild(document.createElement('mk-drive-browser-window')), {
+				folder: folderId
+			});
+		};
+
+		this.move = target => {
+			if (target == null) {
+				this.goRoot();
+				return;
+			} else if (typeof target == 'object') {
+				target = target.id;
+			}
+
+			this.update({
+				fetching: true
+			});
+
+			this.api('drive/folders/show', {
+				folder_id: target
+			}).then(folder => {
+				this.folder = folder;
+				this.hierarchyFolders = [];
+
+				const dive = folder => {
+					this.hierarchyFolders.unshift(folder);
+					if (folder.parent) dive(folder.parent);
+				};
+
+				if (folder.parent) dive(folder.parent);
+
+				this.update();
+				this.load();
+			});
+		};
+
+		this.addFolder = (folder, unshift = false) => {
+			const current = this.folder ? this.folder.id : null;
+			if (current != folder.parent_id) return;
+
+			if (this.folders.some(f => f.id == folder.id)) {
+				const exist = this.folders.map(f => f.id).indexOf(folder.id);
+				this.folders[exist] = folder;
+				this.update();
+				return;
+			}
+
+			if (unshift) {
+				this.folders.unshift(folder);
+			} else {
+				this.folders.push(folder);
+			}
+
+			this.update();
+		};
+
+		this.addFile = (file, unshift = false) => {
+			const current = this.folder ? this.folder.id : null;
+			if (current != file.folder_id) return;
+
+			if (this.files.some(f => f.id == file.id)) {
+				const exist = this.files.map(f => f.id).indexOf(file.id);
+				this.files[exist] = file;
+				this.update();
+				return;
+			}
+
+			if (unshift) {
+				this.files.unshift(file);
+			} else {
+				this.files.push(file);
+			}
+
+			this.update();
+		};
+
+		this.removeFolder = folder => {
+			if (typeof folder == 'object') folder = folder.id;
+			this.folders = this.folders.filter(f => f.id != folder);
+			this.update();
+		};
+
+		this.removeFile = file => {
+			if (typeof file == 'object') file = file.id;
+			this.files = this.files.filter(f => f.id != file);
+			this.update();
+		};
+
+		this.goRoot = () => {
+			// 既にrootにいるなら何もしない
+			if (this.folder == null) return;
+
+			this.update({
+				folder: null,
+				hierarchyFolders: []
+			});
+			this.load();
+		};
+
+		this.load = () => {
+			this.update({
+				folders: [],
+				files: [],
+				moreFolders: false,
+				moreFiles: false,
+				fetching: true
+			});
+
+			let fetchedFolders = null;
+			let fetchedFiles = null;
+
+			const foldersMax = 30;
+			const filesMax = 30;
+
+			// フォルダ一覧取得
+			this.api('drive/folders', {
+				folder_id: this.folder ? this.folder.id : null,
+				limit: foldersMax + 1
+			}).then(folders => {
+				if (folders.length == foldersMax + 1) {
+					this.moreFolders = true;
+					folders.pop();
+				}
+				fetchedFolders = folders;
+				complete();
+			});
+
+			// ファイル一覧取得
+			this.api('drive/files', {
+				folder_id: this.folder ? this.folder.id : null,
+				limit: filesMax + 1
+			}).then(files => {
+				if (files.length == filesMax + 1) {
+					this.moreFiles = true;
+					files.pop();
+				}
+				fetchedFiles = files;
+				complete();
+			});
+
+			let flag = false;
+			const complete = () => {
+				if (flag) {
+					fetchedFolders.forEach(this.addFolder);
+					fetchedFiles.forEach(this.addFile);
+					this.update({
+						fetching: false
+					});
+				} else {
+					flag = true;
+				}
+			};
+		};
+
 	</script>
 </mk-drive-browser>
diff --git a/src/web/app/desktop/tags/drive/file-contextmenu.tag b/src/web/app/desktop/tags/drive/file-contextmenu.tag
index a2c9eb3f4e..29f1befc44 100644
--- a/src/web/app/desktop/tags/drive/file-contextmenu.tag
+++ b/src/web/app/desktop/tags/drive/file-contextmenu.tag
@@ -22,9 +22,6 @@
 					<li onclick={ parent.setBanner }>
 						<p>バナーに設定</p>
 					</li>
-					<li onclick={ parent.setWallpaper }>
-						<p>壁紙に設定</p>
-					</li>
 				</ul>
 			</li>
 			<li class="has-child">
@@ -38,60 +35,58 @@
 		</ul>
 	</mk-contextmenu>
 	<script>
-		@mixin \api
-		@mixin \i
-		@mixin \update-avatar
-		@mixin \update-banner
-		@mixin \update-wallpaper
-		@mixin \input-dialog
-		@mixin \NotImplementedException
+		this.mixin('api');
+		this.mixin('i');
+		this.mixin('update-avatar');
+		this.mixin('update-banner');
+		this.mixin('input-dialog');
+		this.mixin('NotImplementedException');
 
-		@browser = @opts.browser
-		@file = @opts.file
+		this.browser = this.opts.browser;
+		this.file = this.opts.file;
 
-		@on \mount ~>
-			@refs.ctx.on \closed ~>
-				@trigger \closed
-				@unmount!
+		this.on('mount', () => {
+			this.refs.ctx.on('closed', () => {
+				this.trigger('closed');
+				this.unmount();
+			});
+		});
 
-		@open = (pos) ~>
-			@refs.ctx.open pos
+		this.open = pos => {
+			this.refs.ctx.open(pos);
+		};
 
-		@rename = ~>
-			@refs.ctx.close!
+		this.rename = () => {
+			this.refs.ctx.close();
 
-			name <~ @input-dialog do
-				'ファイル名の変更'
-				'新しいファイル名を入力してください'
-				@file.name
+			this.inputDialog('ファイル名の変更', '新しいファイル名を入力してください', this.file.name, name => {
+				this.api('drive/files/update', {
+					file_id: this.file.id,
+					name: name
+				})
+			});
+		};
 
-			@api \drive/files/update do
-				file_id: @file.id
-				name: name
-			.then ~>
-				# something
-			.catch (err) ~>
-				console.error err
+		this.copyUrl = () => {
+			this.NotImplementedException();
+		};
 
-		@copy-url = ~>
-			@NotImplementedException!
+		this.download = () => {
+			this.refs.ctx.close();
+		};
 
-		@download = ~>
-			@refs.ctx.close!
+		this.setAvatar = () => {
+			this.refs.ctx.close();
+			this.updateAvatar(this.I, null, this.file);
+		};
 
-		@set-avatar = ~>
-			@refs.ctx.close!
-			@update-avatar @I, null, @file
+		this.setBanner = () => {
+			this.refs.ctx.close();
+			this.updateBanner(this.I, null, this.file);
+		};
 
-		@set-banner = ~>
-			@refs.ctx.close!
-			@update-banner @I, null, @file
-
-		@set-wallpaper = ~>
-			@refs.ctx.close!
-			@update-wallpaper @I, null, @file
-
-		@add-app = ~>
-			@NotImplementedException!
+		this.addApp = () => {
+			this.NotImplementedException();
+		};
 	</script>
 </mk-drive-browser-file-contextmenu>
diff --git a/src/web/app/desktop/tags/drive/file.tag b/src/web/app/desktop/tags/drive/file.tag
index 252e5ab1de..d92d4bbaf1 100644
--- a/src/web/app/desktop/tags/drive/file.tag
+++ b/src/web/app/desktop/tags/drive/file.tag
@@ -144,66 +144,76 @@
 
 	</style>
 	<script>
-		@bytes-to-size = require '../../../common/scripts/bytes-to-size.js'
+		this.bytesToSize = require('../../../common/scripts/bytes-to-size');
 
-		@mixin \i
+		this.mixin('i');
 
-		@file = @opts.file
-		@browser = @parent
+		this.file = this.opts.file;
+		this.browser = this.parent;
 
-		@title = @file.name + '\n' + @file.type + ' ' + (@bytes-to-size @file.datasize)
+		this.title = `${this.file.name}\n${this.file.type} ${this.bytesToSize(this.file.datasize)}`;
 
-		@is-contextmenu-showing = false
+		this.isContextmenuShowing = false;
 
-		@onclick = ~>
-			if @browser.multiple
-				if @file._selected?
-					@file._selected = !@file._selected
-				else
-					@file._selected = true
-				@browser.trigger \change-selection @browser.get-selection!
-			else
-				if @file._selected
-					@browser.trigger \selected @file
-				else
-					@browser.files.for-each (file) ~>
-						file._selected = false
-					@file._selected = true
-					@browser.trigger \change-selection @file
+		this.onclick = () => {
+			if (this.browser.multiple) {
+				if (this.file._selected != null) {
+					this.file._selected = !this.file._selected;
+				} else {
+					this.file._selected = true;
+				}
+				this.browser.trigger('change-selection', this.browser.getSelection());
+			} else {
+				if (this.file._selected) {
+					this.browser.trigger('selected', this.file);
+				} else {
+					this.browser.files.forEach(file => file._selected = false);
+					this.file._selected = true;
+					this.browser.trigger('change-selection', this.file);
+				}
+			}
+		};
 
-		@oncontextmenu = (e) ~>
-			e.prevent-default!
-			e.stop-immediate-propagation!
+		this.oncontextmenu = e => {
+			e.preventDefault();
+			e.stopImmediatePropagation();
 
-			@is-contextmenu-showing = true
-			@update!
-			ctx = document.body.append-child document.create-element \mk-drive-browser-file-contextmenu
-			ctx = riot.mount ctx, do
-				browser: @browser
-				file: @file
-			ctx = ctx.0
-			ctx.open do
-				x: e.page-x - window.page-x-offset
-				y: e.page-y - window.page-y-offset
-			ctx.on \closed ~>
-				@is-contextmenu-showing = false
-				@update!
-			return false
+			this.update({
+				isContextmenuShowing: true
+			});
+			const ctx = riot.mount(document.body.appendChild(document.createElement('mk-drive-browser-file-contextmenu')), {
+				browser: this.browser,
+				file: this.file
+			})[0];
+			ctx.open({
+				x: e.pageX - window.pageXOffset,
+				y: e.pageY - window.pageYOffset
+			});
+			ctx.on('closed', () => {
+				this.update({
+					isContextmenuShowing: false
+				});
+			});
+			return false;
+		};
 
-		@ondragstart = (e) ~>
-			e.data-transfer.effect-allowed = \move
-			e.data-transfer.set-data 'text' JSON.stringify do
-				type: \file
-				id: @file.id
-				file: @file
-			@is-dragging = true
+		this.ondragstart = e => {
+			e.dataTransfer.effectAllowed = 'move';
+			e.dataTransfer.setData('text', JSON.stringify({
+				type: 'file',
+				id: this.file.id,
+				file: this.file
+			}));
+			this.isDragging = true;
 
-			# 親ブラウザに対して、ドラッグが開始されたフラグを立てる
-			# (=あなたの子供が、ドラッグを開始しましたよ)
-			@browser.is-drag-source = true
+			// 親ブラウザに対して、ドラッグが開始されたフラグを立てる
+			// (=あなたの子供が、ドラッグを開始しましたよ)
+			this.browser.isDragSource = true;
+		};
 
-		@ondragend = (e) ~>
-			@is-dragging = false
-			@browser.is-drag-source = false
+		this.ondragend = e => {
+			this.isDragging = false;
+			this.browser.isDragSource = false;
+		};
 	</script>
 </mk-drive-browser-file>
diff --git a/src/web/app/desktop/tags/drive/folder-contextmenu.tag b/src/web/app/desktop/tags/drive/folder-contextmenu.tag
index aea0904aa9..51e131f448 100644
--- a/src/web/app/desktop/tags/drive/folder-contextmenu.tag
+++ b/src/web/app/desktop/tags/drive/folder-contextmenu.tag
@@ -18,49 +18,45 @@
 		</ul>
 	</mk-contextmenu>
 	<script>
-		@mixin \api
-		@mixin \input-dialog
+		this.mixin('api');
+		this.mixin('input-dialog');
 
-		@browser = @opts.browser
-		@folder = @opts.folder
+		this.browser = this.opts.browser;
+		this.folder = this.opts.folder;
 
-		@open = (pos) ~>
-			@refs.ctx.open pos
+		this.open = pos => {
+			this.refs.ctx.open(pos);
 
-			@refs.ctx.on \closed ~>
-				@trigger \closed
-				@unmount!
+			this.refs.ctx.on('closed', () => {
+				this.trigger('closed');
+				this.unmount();
+			});
+		};
 
-		@move = ~>
-			@browser.move @folder.id
-			@refs.ctx.close!
+		this.move = () => {
+			this.browser.move(this.folder.id);
+			this.refs.ctx.close();
+		};
 
-		@new-window = ~>
-			@browser.new-window @folder.id
-			@refs.ctx.close!
+		this.newWindow = () => {
+			this.browser.newWindow(this.folder.id);
+			this.refs.ctx.close();
+		};
 
-		@create-folder = ~>
-			@browser.create-folder!
-			@refs.ctx.close!
+		this.createFolder = () => {
+			this.browser.createFolder();
+			this.refs.ctx.close();
+		};
 
-		@upload = ~>
-			@browser.select-lcoal-file!
-			@refs.ctx.close!
+		this.rename = () => {
+			this.refs.ctx.close();
 
-		@rename = ~>
-			@refs.ctx.close!
-
-			name <~ @input-dialog do
-				'フォルダ名の変更'
-				'新しいフォルダ名を入力してください'
-				@folder.name
-
-			@api \drive/folders/update do
-				folder_id: @folder.id
-				name: name
-			.then ~>
-				# something
-			.catch (err) ~>
-				console.error err
+			this.inputialog('フォルダ名の変更', '新しいフォルダ名を入力してください', this.folder.name, name => {
+				this.api('drive/folders/update', {
+					folder_id: this.folder.id,
+					name: name
+				});
+			});
+		};
 	</script>
 </mk-drive-browser-folder-contextmenu>
diff --git a/src/web/app/desktop/tags/drive/folder.tag b/src/web/app/desktop/tags/drive/folder.tag
index b6d52f19e6..1b804e97a1 100644
--- a/src/web/app/desktop/tags/drive/folder.tag
+++ b/src/web/app/desktop/tags/drive/folder.tag
@@ -50,135 +50,152 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \dialog
+		this.mixin('api');
+		this.mixin('dialog');
 
-		@folder = @opts.folder
-		@browser = @parent
+		this.folder = this.opts.folder;
+		this.browser = this.parent;
 
-		@title = @folder.name
-		@hover = false
-		@draghover = false
-		@is-contextmenu-showing = false
+		this.title = this.folder.name;
+		this.hover = false;
+		this.draghover = false;
+		this.isContextmenuShowing = false;
 
-		@onclick = ~>
-			@browser.move @folder
+		this.onclick = () => {
+			this.browser.move(this.folder);
+		};
 
-		@onmouseover = ~>
-			@hover = true
+		this.onmouseover = () => {
+			this.hover = true;
+		};
 
-		@onmouseout = ~>
-			@hover = false
+		this.onmouseout = () => {
+			this.hover = false
+		};
 
-		@ondragover = (e) ~>
-			e.prevent-default!
-			e.stop-propagation!
+		this.ondragover = e => {
+			e.preventDefault();
+			e.stopPropagation();
 
-			# 自分自身がドラッグされていない場合
-			if !@is-dragging
-				# ドラッグされてきたものがファイルだったら
-				if e.data-transfer.effect-allowed == \all
-					e.data-transfer.drop-effect = \copy
-				else
-					e.data-transfer.drop-effect = \move
-			else
-				# 自分自身にはドロップさせない
-				e.data-transfer.drop-effect = \none
-			return false
+			// 自分自身がドラッグされていない場合
+			if (!this.isDragging) {
+				// ドラッグされてきたものがファイルだったら
+				if (e.dataTransfer.effectAllowed === 'all') {
+					e.dataTransfer.dropEffect = 'copy';
+				} else {
+					e.dataTransfer.dropEffect = 'move';
+				}
+			} else {
+				// 自分自身にはドロップさせない
+				e.dataTransfer.dropEffect = 'none';
+			}
+			return false;
+		};
 
-		@ondragenter = ~>
-			if !@is-dragging
-				@draghover = true
+		this.ondragenter = () => {
+			if (!this.isDragging) this.draghover = true;
+		};
 
-		@ondragleave = ~>
-			@draghover = false
+		this.ondragleave = () => {
+			this.draghover = false;
+		};
 
-		@ondrop = (e) ~>
-			e.stop-propagation!
-			@draghover = false
+		this.ondrop = e => {
+			e.stopPropagation();
+			this.draghover = false;
 
-			# ファイルだったら
-			if e.data-transfer.files.length > 0
-				Array.prototype.for-each.call e.data-transfer.files, (file) ~>
-					@browser.upload file, @folder
-				return false
+			// ファイルだったら
+			if (e.dataTransfer.files.length > 0) {
+				e.dataTransfer.files.forEach(file => {
+					this.browser.upload(file, this.folder);
+				});
+				return false;
+			};
 
-			# データ取得
-			data = e.data-transfer.get-data 'text'
-			if !data?
-				return false
+			// データ取得
+			const data = e.dataTransfer.getData('text');
+			if (data == null) return false;
 
-			# パース
-			obj = JSON.parse data
+			// パース
+			// TODO: Validate JSON
+			const obj = JSON.parse(data);
 
-			# (ドライブの)ファイルだったら
-			if obj.type == \file
-				file = obj.id
-				@browser.remove-file file
-				@api \drive/files/update do
-					file_id: file
-					folder_id: @folder.id
-				.then ~>
-					# something
-				.catch (err, text-status) ~>
-					console.error err
+			// (ドライブの)ファイルだったら
+			if (obj.type == 'file') {
+				const file = obj.id;
+				this.browser.removeFile(file);
+				this.api('drive/files/update', {
+					file_id: file,
+					folder_id: this.folder.id
+				});
+			// (ドライブの)フォルダーだったら
+			} else if (obj.type == 'folder') {
+				const folder = obj.id;
+				// 移動先が自分自身ならreject
+				if (folder == this.folder.id) return false;
+				this.browser.removeFolder(folder);
+				this.api('drive/folders/update', {
+					folder_id: folder,
+					parent_id: this.folder.id
+				}).then(() => {
+					// something
+				}).catch(err => {
+					switch (err) {
+						case 'detected-circular-definition':
+							this.dialog('<i class="fa fa-exclamation-triangle"></i>操作を完了できません',
+								'移動先のフォルダーは、移動するフォルダーのサブフォルダーです。', [{
+								text: 'OK'
+							}]);
+							break;
+						default:
+							alert('不明なエラー' + err);
+					}
+				});
+			}
 
-			# (ドライブの)フォルダーだったら
-			else if obj.type == \folder
-				folder = obj.id
-				# 移動先が自分自身ならreject
-				if folder == @folder.id
-					return false
-				@browser.remove-folder folder
-				@api \drive/folders/update do
-					folder_id: folder
-					parent_id: @folder.id
-				.then ~>
-					# something
-				.catch (err) ~>
-					if err == 'detected-circular-definition'
-						@dialog do
-							'<i class="fa fa-exclamation-triangle"></i>操作を完了できません'
-							'移動先のフォルダーは、移動するフォルダーのサブフォルダーです。'
-							[
-								text: \OK
-							]
+			return false;
+		};
 
-			return false
+		this.ondragstart = e => {
+			e.dataTransfer.effectAllowed = 'move';
+			e.dataTransfer.setData('text', JSON.stringify({
+				type: 'folder',
+				id: this.folder.id
+			}));
+			this.isDragging = true;
 
-		@ondragstart = (e) ~>
-			e.data-transfer.effect-allowed = \move
-			e.data-transfer.set-data 'text' JSON.stringify do
-				type: \folder
-				id: @folder.id
-			@is-dragging = true
+			// 親ブラウザに対して、ドラッグが開始されたフラグを立てる
+			// (=あなたの子供が、ドラッグを開始しましたよ)
+			this.browser.isDragSource = true;
+		};
 
-			# 親ブラウザに対して、ドラッグが開始されたフラグを立てる
-			# (=あなたの子供が、ドラッグを開始しましたよ)
-			@browser.is-drag-source = true
+		this.ondragend = e => {
+			this.isDragging = false;
+			this.browser.isDragSource = false;
+		};
 
-		@ondragend = (e) ~>
-			@is-dragging = false
-			@browser.is-drag-source = false
+		this.oncontextmenu = e => {
+			e.preventDefault();
+			e.stopImmediatePropagation();
 
-		@oncontextmenu = (e) ~>
-			e.prevent-default!
-			e.stop-immediate-propagation!
+			this.update({
+				isContextmenuShowing: true
+			});
+			const ctx = riot.mount(document.body.appendChild(document.createElement('mk-drive-browser-folder-contextmenu')), {
+				browser: this.browser,
+				folder: this.folder
+			})[0];
+			ctx.open({
+				x: e.pageX - window.pageXOffset,
+				y: e.pageY - window.pageYOffset
+			});
+			ctx.on('closed', () => {
+				this.update({
+					isContextmenuShowing: false
+				});
+			});
 
-			@is-contextmenu-showing = true
-			@update!
-			ctx = document.body.append-child document.create-element \mk-drive-browser-folder-contextmenu
-			ctx = riot.mount ctx, do
-				browser: @browser
-				folder: @folder
-			ctx = ctx.0
-			ctx.open do
-				x: e.page-x - window.page-x-offset
-				y: e.page-y - window.page-y-offset
-			ctx.on \closed ~>
-				@is-contextmenu-showing = false
-				@update!
-
-			return false
+			return false;
+		};
 	</script>
 </mk-drive-browser-folder>
diff --git a/src/web/app/desktop/tags/drive/nav-folder.tag b/src/web/app/desktop/tags/drive/nav-folder.tag
index 632783d20b..e961ac491b 100644
--- a/src/web/app/desktop/tags/drive/nav-folder.tag
+++ b/src/web/app/desktop/tags/drive/nav-folder.tag
@@ -6,92 +6,93 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		# Riotのバグでnullを渡しても""になる
-		# https://github.com/riot/riot/issues/2080
-		#@folder = @opts.folder
-		@folder = if @opts.folder? and @opts.folder != '' then @opts.folder else null
-		@browser = @parent
+		// Riotのバグでnullを渡しても""になる
+		// https://github.com/riot/riot/issues/2080
+		//this.folder = this.opts.folder
+		this.folder = this.opts.folder && this.opts.folder != '' ? this.opts.folder : null;
+		this.browser = this.parent;
 
-		@hover = false
+		this.hover = false;
 
-		@onclick = ~>
-			@browser.move @folder
+		this.onclick = () => {
+			this.browser.move(this.folder);
+		};
 
-		@onmouseover = ~>
-			@hover = true
+		this.onmouseover = () => {
+			this.hover = true
+		};
 
-		@onmouseout = ~>
-			@hover = false
+		this.onmouseout = () => {
+			this.hover = false
+		};
 
-		@ondragover = (e) ~>
-			e.prevent-default!
-			e.stop-propagation!
+		this.ondragover = e => {
+			e.preventDefault();
+			e.stopPropagation();
 
-			# このフォルダがルートかつカレントディレクトリならドロップ禁止
-			if @folder == null and @browser.folder == null
-				e.data-transfer.drop-effect = \none
-			# ドラッグされてきたものがファイルだったら
-			else if e.data-transfer.effect-allowed == \all
-				e.data-transfer.drop-effect = \copy
-			else
-				e.data-transfer.drop-effect = \move
-			return false
+			// このフォルダがルートかつカレントディレクトリならドロップ禁止
+			if (this.folder == null && this.browser.folder == null) {
+				e.dataTransfer.dropEffect = 'none';
+			// ドラッグされてきたものがファイルだったら
+			} else if (e.dataTransfer.effectAllowed == 'all') {
+				e.dataTransfer.dropEffect = 'copy';
+			} else {
+				e.dataTransfer.dropEffect = 'move';
+			}
+			return false;
+		};
 
-		@ondragenter = ~>
-			if @folder != null or @browser.folder != null
-				@draghover = true
+		this.ondragenter = () => {
+			if (this.folder || this.browser.folder) this.draghover = true;
+		};
 
-		@ondragleave = ~>
-			if @folder != null or @browser.folder != null
-				@draghover = false
+		this.ondragleave = () => {
+			if (this.folder || this.browser.folder) this.draghover = false;
+		};
 
-		@ondrop = (e) ~>
-			e.stop-propagation!
-			@draghover = false
+		this.ondrop = e => {
+			e.stopPropagation();
+			this.draghover = false;
 
-			# ファイルだったら
-			if e.data-transfer.files.length > 0
-				Array.prototype.for-each.call e.data-transfer.files, (file) ~>
-					@browser.upload file, @folder
-				return false
+			// ファイルだったら
+			if (e.dataTransfer.files.length > 0) {
+				e.dataTransfer.files.forEach(file => {
+					this.browser.upload(file, this.folder);
+				});
+				return false;
+			};
 
-			# データ取得
-			data = e.data-transfer.get-data 'text'
-			if !data?
-				return false
+			// データ取得
+			const data = e.dataTransfer.getData('text');
+			if (data == null) return false;
 
-			# パース
-			obj = JSON.parse data
+			// パース
+			// TODO: Validate JSON
+			const obj = JSON.parse(data);
 
-			# (ドライブの)ファイルだったら
-			if obj.type == \file
-				file = obj.id
-				@browser.remove-file file
-				@api \drive/files/update do
-					file_id: file
-					folder_id: if @folder? then @folder.id else null
-				.then ~>
-					# something
-				.catch (err, text-status) ~>
-					console.error err
+			// (ドライブの)ファイルだったら
+			if (obj.type == 'file') {
+				const file = obj.id;
+				this.browser.removeFile(file);
+				this.api('drive/files/update', {
+					file_id: file,
+					folder_id: this.folder ? this.folder.id : null
+				});
+			// (ドライブの)フォルダーだったら
+			} else if (obj.type == 'folder') {
+				const folder = obj.id;
+				// 移動先が自分自身ならreject
+				if (this.folder && folder == this.folder.id) return false;
+				this.browser.removeFolder(folder);
+				this.api('drive/folders/update', {
+					folder_id: folder,
+					parent_id: this.folder ? this.folder.id : null
+				});
+			}
 
-			# (ドライブの)フォルダーだったら
-			else if obj.type == \folder
-				folder = obj.id
-				# 移動先が自分自身ならreject
-				if @folder? and folder == @folder.id
-					return false
-				@browser.remove-folder folder
-				@api \drive/folders/update do
-					folder_id: folder
-					parent_id: if @folder? then @folder.id else null
-				.then ~>
-					# something
-				.catch (err, text-status) ~>
-					console.error err
-
-			return false
+			return false;
+		};
 	</script>
 </mk-drive-browser-nav-folder>
diff --git a/src/web/app/desktop/tags/ellipsis-icon.tag b/src/web/app/desktop/tags/ellipsis-icon.tag
index 731c2525f1..8462bfc4af 100644
--- a/src/web/app/desktop/tags/ellipsis-icon.tag
+++ b/src/web/app/desktop/tags/ellipsis-icon.tag
@@ -33,9 +33,5 @@
 				40%
 					transform scale(1)
 
-			
-
-			
-
 	</style>
 </mk-ellipsis-icon>
diff --git a/src/web/app/desktop/tags/follow-button.tag b/src/web/app/desktop/tags/follow-button.tag
index 1e82b5ed1a..1877e4a53f 100644
--- a/src/web/app/desktop/tags/follow-button.tag
+++ b/src/web/app/desktop/tags/follow-button.tag
@@ -67,58 +67,74 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \is-promise
-		@mixin \stream
+		this.mixin('api');
+		this.mixin('is-promise');
+		this.mixin('stream');
 
-		@user = null
-		@user-promise = if @is-promise @opts.user then @opts.user else Promise.resolve @opts.user
-		@init = true
-		@wait = false
+		this.user = null;
+		this.userPromise = this.isPromise(this.opts.user)
+			? this.opts.user
+			: Promise.resolve(this.opts.user);
+		this.init = true;
+		this.wait = false;
 
-		@on \mount ~>
-			@user-promise.then (user) ~>
-				@user = user
-				@init = false
-				@update!
-				@stream.on \follow @on-stream-follow
-				@stream.on \unfollow @on-stream-unfollow
+		this.on('mount', () => {
+			this.userPromise.then(user => {
+				this.update({
+					init: false,
+					user: user
+				});
+				this.stream.on('follow', this.onStreamFollow);
+				this.stream.on('unfollow', this.onStreamUnfollow);
+			});
+		});
 
-		@on \unmount ~>
-			@stream.off \follow @on-stream-follow
-			@stream.off \unfollow @on-stream-unfollow
+		this.on('unmount', () => {
+			this.stream.off('follow', this.onStreamFollow);
+			this.stream.off('unfollow', this.onStreamUnfollow);
+		});
 
-		@on-stream-follow = (user) ~>
-			if user.id == @user.id
-				@user = user
-				@update!
+		this.onStreamFollow = user => {
+			if (user.id == this.user.id) {
+				this.update({
+					user: user
+				});
+			}
+		};
 
-		@on-stream-unfollow = (user) ~>
-			if user.id == @user.id
-				@user = user
-				@update!
+		this.onStreamUnfollow = user => {
+			if (user.id == this.user.id) {
+				this.update({
+					user: user
+				});
+			}
+		};
 
-		@onclick = ~>
-			@wait = true
-			if @user.is_following
-				@api \following/delete do
-					user_id: @user.id
-				.then ~>
-					@user.is_following = false
-				.catch (err) ->
-					console.error err
-				.then ~>
-					@wait = false
-					@update!
-			else
-				@api \following/create do
-					user_id: @user.id
-				.then ~>
-					@user.is_following = true
-				.catch (err) ->
-					console.error err
-				.then ~>
-					@wait = false
-					@update!
+		this.onclick = () => {
+			this.wait = true;
+			if (this.user.is_following) {
+				this.api('following/delete', {
+					user_id: this.user.id
+				}).then(() => {
+					this.user.is_following = false;
+				}).catch(err => {
+					console.error(err);
+				}).then(() => {
+					this.wait = false;
+					this.update();
+				});
+			} else {
+				this.api('following/create', {
+					user_id: this.user.id
+				}).then(() => {
+					this.user.is_following = true;
+				}).catch(err => {
+					console.error(err);
+				}).then(() => {
+					this.wait = false;
+					this.update();
+				});
+			}
+		};
 	</script>
 </mk-follow-button>
diff --git a/src/web/app/desktop/tags/following-setuper.tag b/src/web/app/desktop/tags/following-setuper.tag
index 1b2e5aafa0..3dc8fb54c7 100644
--- a/src/web/app/desktop/tags/following-setuper.tag
+++ b/src/web/app/desktop/tags/following-setuper.tag
@@ -1,6 +1,6 @@
 <mk-following-setuper>
 	<p class="title">気になるユーザーをフォロー:</p>
-	<div class="users" if={ !loading && users.length > 0 }>
+	<div class="users" if={ !fetching && users.length > 0 }>
 		<div class="user" each={ users }><a class="avatar-anchor" href={ CONFIG.url + '/' + username }><img class="avatar" src={ avatar_url + '?thumbnail&size=42' } alt="" data-user-preview={ id }/></a>
 			<div class="body"><a class="name" href={ CONFIG.url + '/' + username } target="_blank" data-user-preview={ id }>{ name }</a>
 				<p class="username">@{ username }</p>
@@ -8,8 +8,8 @@
 			<mk-follow-button user={ this }></mk-follow-button>
 		</div>
 	</div>
-	<p class="empty" if={ !loading && users.length == 0 }>おすすめのユーザーは見つかりませんでした。</p>
-	<p class="loading" if={ loading }><i class="fa fa-spinner fa-pulse fa-fw"></i>読み込んでいます
+	<p class="empty" if={ !fetching && users.length == 0 }>おすすめのユーザーは見つかりませんでした。</p>
+	<p class="fetching" if={ fetching }><i class="fa fa-spinner fa-pulse fa-fw"></i>読み込んでいます
 		<mk-ellipsis></mk-ellipsis>
 	</p><a class="refresh" onclick={ refresh }>もっと見る</a>
 	<button class="close" onclick={ close } title="閉じる"><i class="fa fa-times"></i></button>
@@ -81,7 +81,7 @@
 				text-align center
 				color #aaa
 
-			> .loading
+			> .fetching
 				margin 0
 				padding 16px
 				text-align center
@@ -123,41 +123,49 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \user-preview
+		this.mixin('api');
+		this.mixin('user-preview');
 
-		@users = null
-		@loading = true
+		this.users = null;
+		this.fetching = true;
 
-		@limit = 6users
-		@page = 0
+		this.limit = 6;
+		this.page = 0;
 
-		@on \mount ~>
-			@load!
+		this.on('mount', () => {
+			this.fetch();
+		});
 
-		@load = ~>
-			@loading = true
-			@users = null
-			@update!
+		this.fetch = () => {
+			this.update({
+				fetching: true,
+				users: null
+			});
 
-			@api \users/recommendation do
-				limit: @limit
-				offset: @limit * @page
-			.then (users) ~>
-				@loading = false
-				@users = users
-				@update!
-			.catch (err, text-status) ->
-				console.error err
+			this.api('users/recommendation', {
+				limit: this.limit,
+				offset: this.limit * this.page
+			}).then(users => {
+				this.fetching = false
+				this.users = users
+				this.update({
+					fetching: false,
+					users: users
+				});
+			});
+		};
 
-		@refresh = ~>
-			if @users.length < @limit
-				@page = 0
-			else
-				@page++
-			@load!
+		this.refresh = () => {
+			if (this.users.length < this.limit) {
+				this.page = 0;
+			} else {
+				this.page++;
+			}
+			this.fetch();
+		};
 
-		@close = ~>
-			@unmount!
+		this.close = () => {
+			this.unmount();
+		};
 	</script>
 </mk-following-setuper>
diff --git a/src/web/app/desktop/tags/go-top.tag b/src/web/app/desktop/tags/go-top.tag
deleted file mode 100644
index d43e68ea90..0000000000
--- a/src/web/app/desktop/tags/go-top.tag
+++ /dev/null
@@ -1,14 +0,0 @@
-<mk-go-top>
-	<button class="hidden" title="一番上へ"><i class="fa fa-angle-up"></i></button>
-	<script>
-		window.add-event-listener \load @on-scroll
-		window.add-event-listener \scroll @on-scroll
-		window.add-event-listener \resize @on-scroll
-
-		@on-scroll = ~>
-			if $ window .scroll-top! > 500px
-				@remove-class \hidden
-			else
-				@add-class \hidden
-	</script>
-</mk-go-top>
diff --git a/src/web/app/desktop/tags/home-widgets/calendar.tag b/src/web/app/desktop/tags/home-widgets/calendar.tag
index 3d62dc60c5..9aa4ac6326 100644
--- a/src/web/app/desktop/tags/home-widgets/calendar.tag
+++ b/src/web/app/desktop/tags/home-widgets/calendar.tag
@@ -106,43 +106,45 @@
 
 	</style>
 	<script>
-		@draw = ~>
-			now = new Date!
-			nd = now.get-date!
-			nm = now.get-month!
-			ny = now.get-full-year!
+		this.draw = () => {
+			const now = new Date();
+			const nd = now.getDate();
+			const nm = now.getMonth();
+			const ny = now.getFullYear();
 
-			@year = ny
-			@month = nm + 1
-			@day = nd
-			@week-day = [\日 \月 \火 \水 \木 \金 \土][now.get-day!]
+			this.year = ny;
+			this.month = nm + 1;
+			this.day = nd;
+			this.weekDay = ['日', '月', '火', '水', '木', '金', '土'][now.getDay()];
 
-			@day-numer   = (now - (new Date ny, nm, nd))
-			@day-denom   = 1000ms * 60s * 60m * 24h
-			@month-numer = (now - (new Date ny, nm, 1))
-			@month-denom = (new Date ny, nm + 1,  1) - (new Date ny, nm, 1)
-			@year-numer  = (now - (new Date ny, 0, 1))
-			@year-denom  = (new Date ny + 1, 0,  1) - (new Date ny, 0, 1)
+			this.dayNumer   = now - new Date(ny, nm, nd);
+			this.dayDenom   = 1000/*ms*/ * 60/*s*/ * 60/*m*/ * 24/*h*/;
+			this.monthNumer = now - new Date(ny, nm, 1);
+			this.monthDenom = new Date(ny, nm + 1, 1) - new Date(ny, nm, 1);
+			this.yearNumer  = now - new Date(ny, 0, 1);
+			this.yearDenom  = new Date(ny + 1, 0, 1) - new Date(ny, 0, 1);
 
-			@day-p   = @day-numer   / @day-denom   * 100
-			@month-p = @month-numer / @month-denom * 100
-			@year-p  = @year-numer  / @year-denom  * 100
+			this.dayP   = this.dayNumer   / this.dayDenom   * 100;
+			this.monthP = this.monthNumer / this.monthDenom * 100;
+			this.yearP  = this.yearNumer  / this.yearDenom  * 100;
 
-			@is-holiday =
-				(now.get-day! == 0 or now.get-day! == 6)
+			this.isHoliday = now.getDay() == 0 || now.getDay() == 6;
 
-			@special =
-				| nm == 0 and nd == 1 => \on-new-years-day
-				| _ => false
+			this.special = 
+				nm == 0 && nd == 1 ? 'on-new-years-day' :
+				false;
 
-			@update!
+			this.update();
+		};
 
-		@draw!
+		this.draw();
 
-		@on \mount ~>
-			@clock = set-interval @draw, 1000ms
+		this.on('mount', () => {
+			this.clock = setInterval(this.draw, 1000);
+		});
 
-		@on \unmount ~>
-			clear-interval @clock
+		this.on('unmount', () => {
+			clearInterval(this.clock);
+		});
 	</script>
 </mk-calendar-home-widget>
diff --git a/src/web/app/desktop/tags/home-widgets/donation.tag b/src/web/app/desktop/tags/home-widgets/donation.tag
index 047ea5011d..57c86a8751 100644
--- a/src/web/app/desktop/tags/home-widgets/donation.tag
+++ b/src/web/app/desktop/tags/home-widgets/donation.tag
@@ -32,5 +32,5 @@
 					color #999
 
 	</style>
-	<script>@mixin \user-preview</script>
+	<script>this.mixin('user-preview');</script>
 </mk-donation-home-widget>
diff --git a/src/web/app/desktop/tags/home-widgets/mentions.tag b/src/web/app/desktop/tags/home-widgets/mentions.tag
index d683b0817b..6e6d891cbf 100644
--- a/src/web/app/desktop/tags/home-widgets/mentions.tag
+++ b/src/web/app/desktop/tags/home-widgets/mentions.tag
@@ -46,67 +46,73 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \api
+		this.mixin('i');
+		this.mixin('api');
 
-		@is-loading = true
-		@is-empty = false
-		@more-loading = false
-		@mode = \all
+		this.isLoading = true;
+		this.isEmpty = false;
+		this.moreLoading = false;
+		this.mode = 'all';
 
-		@on \mount ~>
-			document.add-event-listener \keydown @on-document-keydown
-			window.add-event-listener \scroll @on-scroll
+		this.on('mount', () => {
+			document.addEventListener('keydown', this.onDocumentKeydown);
+			window.addEventListener('scroll', this.onScroll);
 
-			@fetch ~>
-				@trigger \loaded
+			this.fetch(() => this.trigger('loaded'));
+		});
 
-		@on \unmount ~>
-			document.remove-event-listener \keydown @on-document-keydown
-			window.remove-event-listener \scroll @on-scroll
+		this.on('unmount', () => {
+			document.removeEventListener('keydown', this.onDocumentKeydown);
+			window.removeEventListener('scroll', this.onScroll);
+		});
 
-		@on-document-keydown = (e) ~>
-			tag = e.target.tag-name.to-lower-case!
-			if tag != \input and tag != \textarea
-				if e.which == 84 # t
-					@refs.timeline.focus!
+		this.onDocumentKeydown = e => {
+			if (e.target.tagName != 'INPUT' && tag != 'TEXTAREA') {
+				if (e.which == 84) { // t
+					this.refs.timeline.focus();
+				}
+			}
+		};
 
-		@fetch = (cb) ~>
-			@api \posts/mentions do
-				following: @mode == \following
-			.then (posts) ~>
-				@is-loading = false
-				@is-empty = posts.length == 0
-				@update!
-				@refs.timeline.set-posts posts
-				if cb? then cb!
-			.catch (err) ~>
-				console.error err
-				if cb? then cb!
+		this.fetch = cb => {
+			this.api('posts/mentions', {
+				following: this.mode == 'following'
+			}).then(posts => {
+				this.update({
+					isLoading: false,
+					isEmpty: posts.length == 0
+				});
+				this.refs.timeline.setPosts(posts);
+				if (cb) cb();
+			});
+		};
 
-		@more = ~>
-			if @more-loading or @is-loading or @refs.timeline.posts.length == 0
-				return
-			@more-loading = true
-			@update!
-			@api \posts/mentions do
-				following: @mode == \following
-				max_id: @refs.timeline.tail!.id
-			.then (posts) ~>
-				@more-loading = false
-				@update!
-				@refs.timeline.prepend-posts posts
-			.catch (err) ~>
-				console.error err
+		this.more = () => {
+			if (this.moreLoading || this.isLoading || this.refs.timeline.posts.length == 0) return;
+			this.update({
+				moreLoading: true
+			});
+			this.api('posts/mentions', {
+				following: this.mode == 'following',
+				max_id: this.refs.timeline.tail().id
+			}).then(posts => {
+				this.update({
+					moreLoading: false
+				});
+				this.refs.timeline.prependPosts(posts);
+			});
+		};
 
-		@on-scroll = ~>
-			current = window.scroll-y + window.inner-height
-			if current > document.body.offset-height - 8
-				@more!
+		this.onScroll = () => {
+			const current = window.scrollY + window.innerHeight;
+			if (current > document.body.offsetHeight - 8) this.more();
+		};
 
-		@set-mode = (mode) ~>
-			@update do
+		this.setMode = mode => {
+			this.update({
 				mode: mode
-			@fetch!
+			});
+			this.fetch();
+		};
 	</script>
 </mk-mentions-home-widget>
diff --git a/src/web/app/desktop/tags/home-widgets/nav.tag b/src/web/app/desktop/tags/home-widgets/nav.tag
index a792299a53..67affc75f9 100644
--- a/src/web/app/desktop/tags/home-widgets/nav.tag
+++ b/src/web/app/desktop/tags/home-widgets/nav.tag
@@ -13,9 +13,5 @@
 			i
 				color #ccc
 
-			
-
-			
-
 	</style>
 </mk-nav-home-widget>
diff --git a/src/web/app/desktop/tags/home-widgets/notifications.tag b/src/web/app/desktop/tags/home-widgets/notifications.tag
index b09ae976eb..5d71407b45 100644
--- a/src/web/app/desktop/tags/home-widgets/notifications.tag
+++ b/src/web/app/desktop/tags/home-widgets/notifications.tag
@@ -43,8 +43,9 @@
 
 	</style>
 	<script>
-		@settings = ~>
-			w = riot.mount document.body.append-child document.create-element \mk-settings-window .0
-			w.switch \notification
+		this.settings = () => {
+			const w = riot.mount(document.body.appendChild(document.createElement('mk-settings-window')))[0];
+			w.switch('notification');
+		};
 	</script>
 </mk-notifications-home-widget>
diff --git a/src/web/app/desktop/tags/home-widgets/photo-stream.tag b/src/web/app/desktop/tags/home-widgets/photo-stream.tag
index 6ce0fd33f7..7cbb07b4de 100644
--- a/src/web/app/desktop/tags/home-widgets/photo-stream.tag
+++ b/src/web/app/desktop/tags/home-widgets/photo-stream.tag
@@ -57,31 +57,36 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \stream
+		this.mixin('api');
+		this.mixin('stream');
 
-		@images = []
-		@initializing = true
+		this.images = [];
+		this.initializing = true;
 
-		@on \mount ~>
-			@stream.on \drive_file_created @on-stream-drive-file-created
+		this.on('mount', () => {
+			this.stream.on('drive_file_created', this.onStreamDriveFileCreated);
 
-			@api \drive/stream do
-				type: 'image/*'
-				limit: 9images
-			.then (images) ~>
-				@initializing = false
-				@images = images
-				@update!
+			this.api('drive/stream', {
+				type: 'image/*',
+				limit: 9
+			}).then(images => {
+				this.update({
+					initializing: false,
+					images: images
+				});
+			});
+		});
 
-		@on \unmount ~>
-			@stream.off \drive_file_created @on-stream-drive-file-created
+		this.on('unmount', () => {
+			this.stream.off('drive_file_created', this.onStreamDriveFileCreated);
+		});
 
-		@on-stream-drive-file-created = (file) ~>
-			if /^image\/.+$/.test file.type
-				@images.unshift file
-				if @images.length > 9
-					@images.pop!
-				@update!
+		this.onStreamDriveFileCreated = file => {
+			if (/^image\/.+$/.test(file.type)) {
+				this.images.unshift(file);
+				if (this.images.length > 9) this.images.pop();
+				this.update();
+			}
+		};
 	</script>
 </mk-photo-stream-home-widget>
diff --git a/src/web/app/desktop/tags/home-widgets/profile.tag b/src/web/app/desktop/tags/home-widgets/profile.tag
index 9f11072b7a..8ee2186149 100644
--- a/src/web/app/desktop/tags/home-widgets/profile.tag
+++ b/src/web/app/desktop/tags/home-widgets/profile.tag
@@ -41,15 +41,17 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \user-preview
-		@mixin \update-avatar
-		@mixin \update-banner
+		this.mixin('i');
+		this.mixin('user-preview');
+		this.mixin('update-avatar');
+		this.mixin('update-banner');
 
-		@set-avatar = ~>
-			@update-avatar @I
+		this.setAvatar = () => {
+			this.updateAvatar(this.I);
+		};
 
-		@set-banner = ~>
-			@update-banner @I
+		this.setBanner = () => {
+			this.updateBanner(this.I);
+		};
 	</script>
 </mk-profile-home-widget>
diff --git a/src/web/app/desktop/tags/home-widgets/rss-reader.tag b/src/web/app/desktop/tags/home-widgets/rss-reader.tag
index 0efd5cbecc..c8700a8b63 100644
--- a/src/web/app/desktop/tags/home-widgets/rss-reader.tag
+++ b/src/web/app/desktop/tags/home-widgets/rss-reader.tag
@@ -64,31 +64,35 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \NotImplementedException
+		this.mixin('api');
+		this.mixin('NotImplementedException');
 
-		@url = 'http://news.yahoo.co.jp/pickup/rss.xml'
-		@items = []
-		@initializing = true
+		this.url = 'http://news.yahoo.co.jp/pickup/rss.xml';
+		this.items = [];
+		this.initializing = true;
 
-		@on \mount ~>
-			@fetch!
-			@clock = set-interval @fetch, 60000ms
+		this.on('mount', () => {
+			this.fetch();
+			this.clock = setInterval(this.fetch, 60000);
+		});
 
-		@on \unmount ~>
-			clear-interval @clock
+		this.on('unmount', () => {
+			clearInterval(this.clock);
+		});
 
-		@fetch = ~>
-			@api CONFIG.url + '/api:rss' do
-				url: @url
-			.then (feed) ~>
-				@items = feed.rss.channel.item
-				@initializing = false
-				@update!
-			.catch (err) ->
-				console.error err
+		this.fetch = () => {
+			this.api(CONFIG.url + '/api:rss', {
+				url: this.url
+			}).then(feed => {
+				this.update({
+					initializing: false,
+					items: feed.rss.channel.item
+				});
+			});
+		};
 
-		@settings = ~>
-			@NotImplementedException!
+		this.settings = () => {
+			this.NotImplementedException();
+		};
 	</script>
 </mk-rss-reader-home-widget>
diff --git a/src/web/app/desktop/tags/home-widgets/timeline.tag b/src/web/app/desktop/tags/home-widgets/timeline.tag
index 9f5bb3890e..a0a8790eaa 100644
--- a/src/web/app/desktop/tags/home-widgets/timeline.tag
+++ b/src/web/app/desktop/tags/home-widgets/timeline.tag
@@ -32,80 +32,87 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \api
-		@mixin \stream
+		this.mixin('i');
+		this.mixin('api');
+		this.mixin('stream');
 
-		@is-loading = true
-		@is-empty = false
-		@more-loading = false
-		@no-following = @I.following_count == 0
+		this.isLoading = true;
+		this.isEmpty = false;
+		this.moreLoading = false;
+		this.noFollowing = this.I.following_count == 0;
 
-		@on \mount ~>
-			@stream.on \post @on-stream-post
-			@stream.on \follow @on-stream-follow
-			@stream.on \unfollow @on-stream-unfollow
+		this.on('mount', () => {
+			this.stream.on('post', this.onStreamPost);
+			this.stream.on('follow', this.onStreamFollow);
+			this.stream.on('unfollow', this.onStreamUnfollow);
 
-			document.add-event-listener \keydown @on-document-keydown
-			window.add-event-listener \scroll @on-scroll
+			document.addEventListener('keydown', this.onDocumentKeydown);
+			window.addEventListener('scroll', this.onScroll);
 
-			@load ~>
-				@trigger \loaded
+			this.load(() => this.trigger('loaded'));
+		});
 
-		@on \unmount ~>
-			@stream.off \post @on-stream-post
-			@stream.off \follow @on-stream-follow
-			@stream.off \unfollow @on-stream-unfollow
+		this.on('unmount', () => {
+			this.stream.off('post', this.onStreamPost);
+			this.stream.off('follow', this.onStreamFollow);
+			this.stream.off('unfollow', this.onStreamUnfollow);
 
-			document.remove-event-listener \keydown @on-document-keydown
-			window.remove-event-listener \scroll @on-scroll
+			document.removeEventListener('keydown', this.onDocumentKeydown);
+			window.removeEventListener('scroll', this.onScroll);
+		});
 
-		@on-document-keydown = (e) ~>
-			tag = e.target.tag-name.to-lower-case!
-			if tag != \input and tag != \textarea
-				if e.which == 84 # t
-					@refs.timeline.focus!
+		this.onDocumentKeydown = e => {
+			if (e.target.tagName != 'INPUT' && e.target.tagName != 'TEXTAREA') {
+				if (e.which == 84) { // t
+					this.refs.timeline.focus();
+				}
+			}
+		};
 
-		@load = (cb) ~>
-			@api \posts/timeline
-			.then (posts) ~>
-				@is-loading = false
-				@is-empty = posts.length == 0
-				@update!
-				@refs.timeline.set-posts posts
-				if cb? then cb!
-			.catch (err) ~>
-				console.error err
-				if cb? then cb!
+		this.load = (cb) => {
+			this.api('posts/timeline').then(posts => {
+				this.update({
+					isLoading: false,
+					isEmpty: posts.length == 0
+				});
+				this.refs.timeline.setPosts(posts);
+				if (cb) cb();
+			});
+		};
 
-		@more = ~>
-			if @more-loading or @is-loading or @refs.timeline.posts.length == 0
-				return
-			@more-loading = true
-			@update!
-			@api \posts/timeline do
-				max_id: @refs.timeline.tail!.id
-			.then (posts) ~>
-				@more-loading = false
-				@update!
-				@refs.timeline.prepend-posts posts
-			.catch (err) ~>
-				console.error err
+		this.more = () => {
+			if (this.moreLoading || this.isLoading || this.refs.timeline.posts.length == 0) return;
+			this.update({
+				moreLoading: true
+			});
+			this.api('posts/timeline', {
+				max_id: this.refs.timeline.tail().id
+			}).then(posts => {
+				this.update({
+					moreLoading: false
+				});
+				this.refs.timeline.prependPosts(posts);
+			});
+		};
 
-		@on-stream-post = (post) ~>
-			@is-empty = false
-			@update!
-			@refs.timeline.add-post post
+		this.onStreamPost = post => {
+			this.update({
+				isEmpty: false
+			});
+			this.refs.timeline.addPost(post);
+		};
 
-		@on-stream-follow = ~>
-			@load!
+		this.onStreamFollow = () => {
+			this.load();
+		};
 
-		@on-stream-unfollow = ~>
-			@load!
+		this.onStreamUnfollow = () => {
+			this.load();
+		};
 
-		@on-scroll = ~>
-			current = window.scroll-y + window.inner-height
-			if current > document.body.offset-height - 8
-				@more!
+		this.onScroll = () => {
+			const current = window.scrollY + window.innerHeight;
+			if (current > document.body.offsetHeight - 8) this.more();
+		};
 	</script>
 </mk-timeline-home-widget>
diff --git a/src/web/app/desktop/tags/home-widgets/tips.tag b/src/web/app/desktop/tags/home-widgets/tips.tag
index 2552c266d7..27268f3ed3 100644
--- a/src/web/app/desktop/tags/home-widgets/tips.tag
+++ b/src/web/app/desktop/tags/home-widgets/tips.tag
@@ -29,43 +29,46 @@
 
 	</style>
 	<script>
-		@tips = [
-			'<kbd>t</kbd>でタイムラインにフォーカスできます'
-			'<kbd>p</kbd>または<kbd>n</kbd>で投稿フォームを開きます'
-			'投稿フォームにはファイルをドラッグ&ドロップできます'
-			'投稿フォームにクリップボードにある画像データをペーストできます'
-			'ドライブにファイルをドラッグ&ドロップしてアップロードできます'
-			'ドライブでファイルをドラッグしてフォルダ移動できます'
-			'ドライブでフォルダをドラッグしてフォルダ移動できます'
-			'ホームをカスタマイズできます(準備中)'
+		this.tips = [
+			'<kbd>t</kbd>でタイムラインにフォーカスできます',
+			'<kbd>p</kbd>または<kbd>n</kbd>で投稿フォームを開きます',
+			'投稿フォームにはファイルをドラッグ&ドロップできます',
+			'投稿フォームにクリップボードにある画像データをペーストできます',
+			'ドライブにファイルをドラッグ&ドロップしてアップロードできます',
+			'ドライブでファイルをドラッグしてフォルダ移動できます',
+			'ドライブでフォルダをドラッグしてフォルダ移動できます',
+			'ホームをカスタマイズできます(準備中)',
 			'MisskeyはMIT Licenseです'
 		]
 
-		@on \mount ~>
-			@set!
-			@clock = set-interval @change, 20000ms
+		this.on('mount', () => {
+			this.set();
+			this.clock = setInterval(this.change, 20000);
+		});
 
-		@on \unmount ~>
-			clear-interval @clock
+		this.on('unmount', () => {
+			clearInterval(this.clock);
+		});
 
-		@set = ~>
-			@refs.text.innerHTML = @tips[Math.floor Math.random! * @tips.length]
-			@update!
+		this.set = () => {
+			this.refs.text.innerHTML = this.tips[Math.floor(Math.random() * this.tips.length)];
+		};
 
-		@change = ~>
-			Velocity @refs.tip, {
+		this.change = () => {
+			Velocity(this.refs.tip, {
 				opacity: 0
-			} {
-				duration: 500ms
-				easing: \linear
-				complete: @set
-			}
+			}, {
+				duration: 500,
+				easing: 'linear',
+				complete: this.set
+			});
 
-			Velocity @refs.tip, {
+			Velocity(this.refs.tip, {
 				opacity: 1
-			} {
-				duration: 500ms
-				easing: \linear
-			}
+			}, {
+				duration: 500,
+				easing: 'linear'
+			});
+		};
 	</script>
 </mk-tips-home-widget>
diff --git a/src/web/app/desktop/tags/home-widgets/user-recommendation.tag b/src/web/app/desktop/tags/home-widgets/user-recommendation.tag
index 8e94090dc9..517d206a4d 100644
--- a/src/web/app/desktop/tags/home-widgets/user-recommendation.tag
+++ b/src/web/app/desktop/tags/home-widgets/user-recommendation.tag
@@ -109,44 +109,42 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \user-preview
+		this.mixin('api');
+		this.mixin('user-preview');
 
-		@users = null
-		@loading = true
+		this.users = null;
+		this.loading = true;
 
-		@limit = 3users
-		@page = 0
+		this.limit = 3;
+		this.page = 0;
 
-		@on \mount ~>
-			@fetch!
-			@clock = set-interval ~>
-				if @users.length < @limit
-					@fetch true
-			, 60000ms
+		this.on('mount', () => {
+			this.fetch();
+		});
 
-		@on \unmount ~>
-			clear-interval @clock
+		this.fetch = () => {
+			this.update({
+				loading: true,
+				users: null
+			});
+			this.api('users/recommendation', {
+				limit: this.limit,
+				offset: this.limit * this.page
+			}).then(users => {
+				this.update({
+					loading: false,
+					users: users
+				});
+			});
+		};
 
-		@fetch = (quiet = false) ~>
-			@loading = true
-			@users = null
-			if not quiet then @update!
-			@api \users/recommendation do
-				limit: @limit
-				offset: @limit * @page
-			.then (users) ~>
-				@loading = false
-				@users = users
-				@update!
-			.catch (err, text-status) ->
-				console.error err
-
-		@refresh = ~>
-			if @users.length < @limit
-				@page = 0
-			else
-				@page++
-			@fetch!
+		this.refresh = () => {
+			if (this.users.length < this.limit) {
+				this.page = 0;
+			} else {
+				this.page++;
+			}
+			this.fetch();
+		};
 	</script>
 </mk-user-recommendation-home-widget>
diff --git a/src/web/app/desktop/tags/home.tag b/src/web/app/desktop/tags/home.tag
index b2ba4e2806..7a148d123c 100644
--- a/src/web/app/desktop/tags/home.tag
+++ b/src/web/app/desktop/tags/home.tag
@@ -58,33 +58,40 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mode = @opts.mode || \timeline
+		this.mixin('i');
 
-		# https://github.com/riot/riot/issues/2080
-		if @mode == '' then @mode = \timeline
+		this.mode = this.opts.mode || 'timeline';
+		// https://github.com/riot/riot/issues/2080
+		if (this.mode == '') this.mode = 'timeline';
 
-		@home = []
+		this.home = [];
 
-		@on \mount ~>
-			@refs.tl.on \loaded ~>
-				@trigger \loaded
+		this.on('mount', () => {
+			this.refs.tl.on('loaded', () => {
+				this.trigger('loaded');
+			});
 
-			@I.data.home.for-each (widget) ~>
-				try
-					el = document.create-element \mk- + widget.name + \-home-widget
-					switch widget.place
-						| \left => @refs.left.append-child el
-						| \right => @refs.right.append-child el
-					@home.push (riot.mount el, do
-						id: widget.id
+			this.I.data.home.forEach(widget => {
+				try {
+					const el = document.createElement(`mk-${widget.name}-home-widget`);
+					switch (widget.place) {
+						case 'left': this.refs.left.appendChild(el); break;
+						case 'right': this.refs.right.appendChild(el); break;
+					}
+					this.home.push(riot.mount(el, {
+						id: widget.id,
 						data: widget.data
-					.0)
-				catch e
-					# noop
+					})[0]);
+				} catch (e) {
+					// noop
+				}
+			});
+		});
 
-		@on \unmount ~>
-			@home.for-each (widget) ~>
-				widget.unmount!
+		this.on('unmount', () => {
+			this.home.forEach(widget => {
+				widget.unmount();
+			});
+		});
 	</script>
 </mk-home>
diff --git a/src/web/app/desktop/tags/image-dialog.tag b/src/web/app/desktop/tags/image-dialog.tag
index d7660bb953..91245dac95 100644
--- a/src/web/app/desktop/tags/image-dialog.tag
+++ b/src/web/app/desktop/tags/image-dialog.tag
@@ -35,41 +35,26 @@
 
 	</style>
 	<script>
-		@image = @opts.image
+		this.image = this.opts.image;
 
-		@on \mount ~>
-			Velocity @root, {
+		this.on('mount', () => {
+			Velocity(this.root, {
 				opacity: 1
-			} {
-				duration: 100ms
-				easing: \linear
-			}
+			}, {
+				duration: 100,
+				easing: 'linear'
+			});
+		});
 
-			#Velocity @img, {
-			#	scale: 1
-			#	opacity: 1
-			#} {
-			#	duration: 200ms
-			#	easing: \ease-out
-			#}
-
-		@close = ~>
-			Velocity @root, {
+		this.close = () => {
+			Velocity(this.root, {
 				opacity: 0
-			} {
-				duration: 100ms
-				easing: \linear
-				complete: ~> @unmount!
-			}
+			}, {
+				duration: 100,
+				easing: 'linear',
+				complete: () => this.unmount()
+			});
+		};
 
-			#Velocity @img, {
-			#	scale: 0.9
-			#	opacity: 0
-			#} {
-			#	duration: 200ms
-			#	easing: \ease-in
-			#	complete: ~>
-			#		@unmount!
-			#}
 	</script>
 </mk-image-dialog>
diff --git a/src/web/app/desktop/tags/images-viewer.tag b/src/web/app/desktop/tags/images-viewer.tag
index 017395e7b4..83bce7bf4e 100644
--- a/src/web/app/desktop/tags/images-viewer.tag
+++ b/src/web/app/desktop/tags/images-viewer.tag
@@ -26,20 +26,22 @@
 
 	</style>
 	<script>
-		@images = @opts.images
-		@image = @images.0
+		this.images = this.opts.images;
+		this.image = this.images[0];
 
-		@mousemove = (e) ~>
-			rect = @refs.view.get-bounding-client-rect!
-			mouse-x = e.client-x - rect.left
-			mouse-y = e.client-y - rect.top
-			xp = mouse-x / @refs.view.offset-width * 100
-			yp = mouse-y / @refs.view.offset-height * 100
-			@refs.view.style.background-position = xp + '% ' + yp + '%'
+		this.mousemove = e => {
+			const rect = this.refs.view.getBoundingClientRect();
+			const mouseX = e.clientX - rect.left;
+			const mouseY = e.clientY - rect.top;
+			const xp = mouseX / this.refs.view.offsetWidth * 100;
+			const yp = mouseY / this.refs.view.offsetHeight * 100;
+			this.refs.view.style.backgroundPosition = xp + '% ' + yp + '%';
+		};
 
-		@click = ~>
-			dialog = document.body.append-child document.create-element \mk-image-dialog
-			riot.mount dialog, do
-				image: @image
+		this.click = () => {
+			riot.mount(document.body.appendChild(document.createElement('mk-image-dialog')), {
+				image: this.image
+			});
+		};
 	</script>
 </mk-images-viewer>
diff --git a/src/web/app/desktop/tags/index.js b/src/web/app/desktop/tags/index.js
index ed100ef75c..6bbb774ee7 100644
--- a/src/web/app/desktop/tags/index.js
+++ b/src/web/app/desktop/tags/index.js
@@ -16,7 +16,6 @@ require('./crop-window.tag');
 require('./settings.tag');
 require('./settings-window.tag');
 require('./analog-clock.tag');
-require('./go-top.tag');
 require('./ui-header.tag');
 require('./ui-header-account.tag');
 require('./ui-header-notifications.tag');
@@ -42,7 +41,6 @@ require('./home-widgets/notifications.tag');
 require('./home-widgets/rss-reader.tag');
 require('./home-widgets/photo-stream.tag');
 require('./home-widgets/broadcast.tag');
-require('./stream-indicator.tag');
 require('./timeline.tag');
 require('./messaging/window.tag');
 require('./messaging/room-window.tag');
diff --git a/src/web/app/desktop/tags/input-dialog.tag b/src/web/app/desktop/tags/input-dialog.tag
index d9f4ae3f41..f343c4625a 100644
--- a/src/web/app/desktop/tags/input-dialog.tag
+++ b/src/web/app/desktop/tags/input-dialog.tag
@@ -1,13 +1,17 @@
 <mk-input-dialog>
-	<mk-window ref="window" is-modal={ true } width={ '500px' }><yield to="header"><i class="fa fa-i-cursor"></i>{ parent.title }</yield>
-<yield to="content">
-		<div class="body">
-			<input ref="text" oninput={ parent.update } onkeydown={ parent.onKeydown } placeholder={ parent.placeholder }/>
-		</div>
-		<div class="action">
-			<button class="cancel" onclick={ parent.cancel }>キャンセル</button>
-			<button class="ok" disabled={ !parent.allowEmpty && refs.text.value.length == 0 } onclick={ parent.ok }>決定</button>
-		</div></yield>
+	<mk-window ref="window" is-modal={ true } width={ '500px' }>
+		<yield to="header">
+			<i class="fa fa-i-cursor"></i>{ parent.title }
+		</yield>
+		<yield to="content">
+			<div class="body">
+				<input ref="text" oninput={ parent.update } onkeydown={ parent.onKeydown } placeholder={ parent.placeholder }/>
+			</div>
+			<div class="action">
+				<button class="cancel" onclick={ parent.cancel }>キャンセル</button>
+				<button class="ok" disabled={ !parent.allowEmpty && refs.text.value.length == 0 } onclick={ parent.ok }>決定</button>
+			</div>
+		</yield>
 	</mk-window>
 	<style>
 		:scope
@@ -116,42 +120,48 @@
 
 	</style>
 	<script>
-		@done = false
+		this.done = false;
 
-		@title = @opts.title
-		@placeholder = @opts.placeholder
-		@default = @opts.default
-		@allow-empty = if @opts.allow-empty? then @opts.allow-empty else true
+		this.title = this.opts.title;
+		this.placeholder = this.opts.placeholder;
+		this.default = this.opts.default;
+		this.allowEmpty = this.opts.allowEmpty != null ? this.opts.allowEmpty : true;
 
-		@on \mount ~>
-			@text = @refs.window.refs.text
-			if @default?
-				@text.value = @default
-			@text.focus!
+		this.on('mount', () => {
+			this.text = this.refs.window.refs.text;
+			if (this.default) this.text.value = this.default;
+			this.text.focus();
 
-			@refs.window.on \closing ~>
-				if @done
-					@opts.on-ok @text.value
-				else
-					if @opts.on-cancel?
-						@opts.on-cancel!
+			this.refs.window.on('closing', () => {
+				if (this.done) {
+					this.opts.onOk(this.text.value);
+				} else {
+					if (this.opts.onCancel) this.opts.onCancel();
+				}
+			});
 
-			@refs.window.on \closed ~>
-				@unmount!
+			this.refs.window.on('closed', () => {
+				this.unmount();
+			});
+		});
 
-		@cancel = ~>
-			@done = false
-			@refs.window.close!
+		this.cancel = () => {
+			this.done = false;
+			this.refs.window.close();
+		};
 
-		@ok = ~>
-			if not @allow-empty and @text.value == '' then return
-			@done = true
-			@refs.window.close!
+		this.ok = () => {
+			if (!this.allowEmpty && this.text.value == '') return;
+			this.done = true;
+			this.refs.window.close();
+		};
 
-		@on-keydown = (e) ~>
-			if e.which == 13 # Enter
-				e.prevent-default!
-				e.stop-propagation!
-				@ok!
+		this.onKeydown = e => {
+			if (e.which == 13) { // Enter
+				e.preventDefault();
+				e.stopPropagation();
+				this.ok();
+			}
+		};
 	</script>
 </mk-input-dialog>
diff --git a/src/web/app/desktop/tags/list-user.tag b/src/web/app/desktop/tags/list-user.tag
index 03dda494aa..133efd2d1e 100644
--- a/src/web/app/desktop/tags/list-user.tag
+++ b/src/web/app/desktop/tags/list-user.tag
@@ -93,5 +93,5 @@
 				right 16px
 
 	</style>
-	<script>@user = @opts.user</script>
+	<script>this.user = this.opts.user</script>
 </mk-list-user>
diff --git a/src/web/app/desktop/tags/messaging/room-window.tag b/src/web/app/desktop/tags/messaging/room-window.tag
index a7eddb591e..e8a9ed6acd 100644
--- a/src/web/app/desktop/tags/messaging/room-window.tag
+++ b/src/web/app/desktop/tags/messaging/room-window.tag
@@ -19,10 +19,12 @@
 
 	</style>
 	<script>
-		@user = @opts.user
+		this.user = this.opts.user;
 
-		@on \mount ~>
-			@refs.window.on \closed ~>
-				@unmount!
+		this.on('mount', () => {
+			this.refs.window.on('closed', () => {
+				this.unmount();
+			});
+		});
 	</script>
 </mk-messaging-room-window>
diff --git a/src/web/app/desktop/tags/messaging/window.tag b/src/web/app/desktop/tags/messaging/window.tag
index f81fd6681b..c7af1dc2a2 100644
--- a/src/web/app/desktop/tags/messaging/window.tag
+++ b/src/web/app/desktop/tags/messaging/window.tag
@@ -19,13 +19,16 @@
 
 	</style>
 	<script>
-		@on \mount ~>
-			@refs.window.on \closed ~>
-				@unmount!
+		this.on('mount', () => {
+			this.refs.window.on('closed', () => {
+				this.unmount();
+			});
 
-			@refs.window.refs.index.on \navigate-user (user) ~>
-				w = document.body.append-child document.create-element \mk-messaging-room-window
-				riot.mount w, do
+			this.refs.window.refs.index.on('navigate-user', user => {
+				riot.mount(document.body.appendChild(document.createElement('mk-messaging-room-window')), {
 					user: user
+				});
+			});
+		});
 	</script>
 </mk-messaging-window>
diff --git a/src/web/app/desktop/tags/notifications.tag b/src/web/app/desktop/tags/notifications.tag
index 58851786b6..7ba74412ea 100644
--- a/src/web/app/desktop/tags/notifications.tag
+++ b/src/web/app/desktop/tags/notifications.tag
@@ -177,37 +177,41 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \stream
-		@mixin \user-preview
-		@mixin \get-post-summary
+		this.mixin('api');
+		this.mixin('stream');
+		this.mixin('user-preview');
+		this.mixin('get-post-summary');
 
-		@notifications = []
-		@loading = true
+		this.notifications = [];
+		this.loading = true;
 
-		@on \mount ~>
-			@api \i/notifications
-			.then (notifications) ~>
-				@notifications = notifications
-				@loading = false
-				@update!
-			.catch (err, text-status) ->
-				console.error err
+		this.on('mount', () => {
+			this.api('i/notifications').then(notifications => {
+				this.update({
+					loading: false,
+					notifications: notifications
+				});
+			});
 
-			@stream.on \notification @on-notification
+			this.stream.on('notification', this.onNotification);
+		});
 
-		@on \unmount ~>
-			@stream.off \notification @on-notification
+		this.on('unmount', () => {
+			this.stream.off('notification', this.onNotification);
+		});
 
-		@on-notification = (notification) ~>
-			@notifications.unshift notification
-			@update!
+		this.onNotification = notification => {
+			this.notifications.unshift(notification);
+			this.update();
+		};
 
-		@on \update ~>
-			@notifications.for-each (notification) ~>
-				date = (new Date notification.created_at).get-date!
-				month = (new Date notification.created_at).get-month! + 1
-				notification._date = date
-				notification._datetext = month + '月 ' + date + '日'
+		this.on('update', () => {
+			this.notifications.forEach(notification => {
+				const date = new Date(notification.created_at).getDate();
+				const month = new Date(notification.created_at).getMonth() + 1;
+				notification._date = date;
+				notification._datetext = `${month}月 ${date}日`;
+			});
+		});
 	</script>
 </mk-notifications>
diff --git a/src/web/app/desktop/tags/pages/entrance.tag b/src/web/app/desktop/tags/pages/entrance.tag
index 57d11217cc..82ac8539ca 100644
--- a/src/web/app/desktop/tags/pages/entrance.tag
+++ b/src/web/app/desktop/tags/pages/entrance.tag
@@ -63,18 +63,24 @@
 
 	</style>
 	<script>
-		@mode = \signin
+		this.mode = 'signin';
 
-		@signup = ~>
-			@mode = \signup
-			@update!
+		this.signup = () => {
+			this.update({
+				mode: 'signup'
+			});
+		};
 
-		@signin = ~>
-			@mode = \signin
-			@update!
+		this.signin = () => {
+			this.update({
+				mode: 'signin'
+			});
+		};
 
-		@introduction = ~>
-			@mode = \introduction
-			@update!
+		this.introduction = () => {
+			this.update({
+				mode: 'introduction'
+			});
+		};
 	</script>
 </mk-entrance>
diff --git a/src/web/app/desktop/tags/pages/entrance/signin.tag b/src/web/app/desktop/tags/pages/entrance/signin.tag
index 1a5baac67e..bd4b47c7df 100644
--- a/src/web/app/desktop/tags/pages/entrance/signin.tag
+++ b/src/web/app/desktop/tags/pages/entrance/signin.tag
@@ -119,12 +119,16 @@
 
 	</style>
 	<script>
-		@on \mount ~>
-			@refs.signin.on \user (user) ~>
-				@update do
+		this.on('mount', () => {
+			this.refs.signin.on('user', user => {
+				this.update({
 					user: user
+				});
+			});
+		});
 
-		@introduction = ~>
-			@parent.introduction!
+		this.introduction = () => {
+			this.parent.introduction();
+		};
 	</script>
 </mk-entrance-signin>
diff --git a/src/web/app/desktop/tags/pages/entrance/signup.tag b/src/web/app/desktop/tags/pages/entrance/signup.tag
index 1a777fe965..7ab53759c9 100644
--- a/src/web/app/desktop/tags/pages/entrance/signup.tag
+++ b/src/web/app/desktop/tags/pages/entrance/signup.tag
@@ -43,9 +43,5 @@
 				> i
 					padding 14px
 
-			
-
-			
-
 	</style>
 </mk-entrance-signup>
diff --git a/src/web/app/desktop/tags/pages/home.tag b/src/web/app/desktop/tags/pages/home.tag
index 51e5767704..e988cbc76e 100644
--- a/src/web/app/desktop/tags/pages/home.tag
+++ b/src/web/app/desktop/tags/pages/home.tag
@@ -5,43 +5,45 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \i
-		@mixin \api
-		@mixin \ui-progress
-		@mixin \stream
-		@mixin \get-post-summary
+		this.mixin('i');
+		this.mixin('api');
+		this.mixin('ui-progress');
+		this.mixin('stream');
+		this.mixin('get-post-summary');
 
-		@unread-count = 0
+		this.unreadCount = 0;
 
-		@page = switch @opts.mode
-			| \timelie => \home
-			| \mentions => \mentions
-			| _ => \home
+		this.page = this.opts.mode || 'timeline';
 
-		@on \mount ~>
-			@refs.ui.refs.home.on \loaded ~>
-				@Progress.done!
+		this.on('mount', () => {
+			this.refs.ui.refs.home.on('loaded', () => {
+				this.Progress.done();
+			});
+			document.title = 'Misskey';
+			this.Progress.start();
+			this.stream.on('post', this.onStreamPost);
+			document.addEventListener('visibilitychange', this.windowOnVisibilitychange, false);
+		});
 
-			document.title = 'Misskey'
-			@Progress.start!
-			@stream.on \post @on-stream-post
-			document.add-event-listener \visibilitychange @window-on-visibilitychange, false
+		this.on('unmount', () => {
+			this.stream.off('post', this.onStreamPost);
+			document.removeEventListener('visibilitychange', this.windowOnVisibilitychange);
+		});
 
-		@on \unmount ~>
-			@stream.off \post @on-stream-post
-			document.remove-event-listener \visibilitychange @window-on-visibilitychange
+		this.onStreamPost = post => {
+			if (document.hidden && post.user_id != this.I.id) {
+				this.unreadCount++;
+				document.title = `(${this.unreadCount}) ${this.getPostSummary(post)}`;
+			}
+		};
 
-		@on-stream-post = (post) ~>
-			if document.hidden and post.user_id !== @I.id
-				@unread-count++
-				document.title = '(' + @unread-count + ') ' + @get-post-summary post
-
-		@window-on-visibilitychange = ~>
-			if !document.hidden
-				@unread-count = 0
-				document.title = 'Misskey'
+		this.windowOnVisibilitychange = () => {
+			if (!document.hidden) {
+				this.unreadCount = 0;
+				document.title = 'Misskey';
+			}
+		};
 	</script>
 </mk-home-page>
diff --git a/src/web/app/desktop/tags/pages/not-found.tag b/src/web/app/desktop/tags/pages/not-found.tag
index a7cbad0b82..e62ea11008 100644
--- a/src/web/app/desktop/tags/pages/not-found.tag
+++ b/src/web/app/desktop/tags/pages/not-found.tag
@@ -1,54 +1,11 @@
 <mk-not-found>
 	<mk-ui>
 		<main>
-			<h1>Not Found</h1><img src="/_/resources/rogge.jpg" alt=""/>
-			<div class="mask"></div>
+			<h1>Not Found</h1>
 		</main>
 	</mk-ui>
 	<style>
 		:scope
 			display block
-
-			main
-				display block
-				width 600px
-				margin 32px auto
-
-				> img
-					display block
-					width 600px
-					height 459px
-					pointer-events none
-					user-select none
-					border-radius 16px
-					box-shadow 0 0 16px rgba(0, 0, 0, 0.1)
-
-				> h1
-					display block
-					margin 0
-					padding 0
-					position absolute
-					top 260px
-					left 225px
-					transform rotate(-12deg)
-					z-index 2
-					color #444
-					font-size 24px
-					line-height 20px
-
-				> .mask
-					position absolute
-					top 262px
-					left 217px
-					width 126px
-					height 18px
-					transform rotate(-12deg)
-					background #D6D5DA
-					border-radius 2px 6px 7px 6px
-
-			
-
-			
-
 	</style>
 </mk-not-found>
diff --git a/src/web/app/desktop/tags/pages/post.tag b/src/web/app/desktop/tags/pages/post.tag
index fddc21deab..b04ba69dc5 100644
--- a/src/web/app/desktop/tags/pages/post.tag
+++ b/src/web/app/desktop/tags/pages/post.tag
@@ -16,17 +16,20 @@
 
 	</style>
 	<script>
-		@mixin \ui-progress
+		this.mixin('ui-progress');
 
-		@post = @opts.post
+		this.post = this.opts.post;
 
-		@on \mount ~>
-			@Progress.start!
+		this.on('mount', () => {
+			this.Progress.start();
 
-			@refs.ui.refs.detail.on \post-fetched ~>
-				@Progress.set 0.5
+			this.refs.ui.refs.detail.on('post-fetched', () => {
+				this.Progress.set(0.5);
+			});
 
-			@refs.ui.refs.detail.on \loaded ~>
-				@Progress.done!
+			this.refs.ui.refs.detail.on('loaded', () => {
+				this.Progress.done();
+			});
+		});
 	</script>
 </mk-post-page>
diff --git a/src/web/app/desktop/tags/pages/search.tag b/src/web/app/desktop/tags/pages/search.tag
index 0c5a23c795..ace9e27ab9 100644
--- a/src/web/app/desktop/tags/pages/search.tag
+++ b/src/web/app/desktop/tags/pages/search.tag
@@ -5,15 +5,16 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \ui-progress
+		this.mixin('ui-progress');
 
-		@on \mount ~>
-			@Progress.start!
+		this.on('mount', () => {
+			this.Progress.start();
 
-			@refs.ui.refs.search.on \loaded ~>
-				@Progress.done!
+			this.refs.ui.refs.search.on('loaded', () => {
+				this.Progress.done();
+			});
+		});
 	</script>
 </mk-search-page>
diff --git a/src/web/app/desktop/tags/pages/user.tag b/src/web/app/desktop/tags/pages/user.tag
index be0501e045..767af31e9a 100644
--- a/src/web/app/desktop/tags/pages/user.tag
+++ b/src/web/app/desktop/tags/pages/user.tag
@@ -5,21 +5,23 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \ui-progress
+		this.mixin('ui-progress');
 
-		@user = @opts.user
+		this.user = this.opts.user;
 
-		@on \mount ~>
-			@Progress.start!
+		this.on('mount', () => {
+			this.Progress.start();
 
-			@refs.ui.refs.user.on \user-fetched (user) ~>
-				@Progress.set 0.5
+			this.refs.ui.refs.user.on('user-fetched', user => {
+				this.Progress.set(0.5);
 				document.title = user.name + ' | Misskey'
+			});
 
-			@refs.ui.refs.user.on \loaded ~>
-				@Progress.done!
+			this.refs.ui.refs.user.on('loaded', () => {
+				this.Progress.done();
+			});
+		});
 	</script>
 </mk-user-page>
diff --git a/src/web/app/desktop/tags/post-detail-sub.tag b/src/web/app/desktop/tags/post-detail-sub.tag
index c4a651e371..f1b3c915cb 100644
--- a/src/web/app/desktop/tags/post-detail-sub.tag
+++ b/src/web/app/desktop/tags/post-detail-sub.tag
@@ -103,38 +103,45 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \text
-		@mixin \date-stringify
-		@mixin \user-preview
+		this.mixin('api');
+		this.mixin('text');
+		this.mixin('date-stringify');
+		this.mixin('user-preview');
 
-		@post = @opts.post
+		this.post = this.opts.post;
 
-		@url = CONFIG.url + '/' + @post.user.username + '/' + @post.id
+		this.url = CONFIG.url + '/' + this.post.user.username + '/' + this.post.id;
 
-		@title = @date-stringify @post.created_at
+		this.title = this.dateStringify(this.post.created_at);
 
-		@on \mount ~>
-			if @post.text?
-				tokens = @analyze @post.text
-				@refs.text.innerHTML = @compile tokens
+		this.on('mount', () => {
+			if (this.p.text) {
+				const tokens = this.analyze(this.p.text);
 
-				@refs.text.children.for-each (e) ~>
-					if e.tag-name == \MK-URL
-						riot.mount e
+				this.refs.text.innerHTML = this.refs.text.innerHTML.replace('<p class="dummy"></p>', this.compile(tokens));
 
-		@like = ~>
-			if @post.is_liked
-				@api \posts/likes/delete do
-					post_id: @post.id
-				.then ~>
-					@post.is_liked = false
-					@update!
-			else
-				@api \posts/likes/create do
-					post_id: @post.id
-				.then ~>
-					@post.is_liked = true
-					@update!
+				this.refs.text.children.forEach(e => {
+					if (e.tagName == 'MK-URL') riot.mount(e);
+				});
+			}
+		});
+
+		this.like = () => {
+			if (this.post.is_liked) {
+				this.api('posts/likes/delete', {
+					post_id: this.post.id
+				}).then(() => {
+					this.post.is_liked = false;
+					this.update();
+				});
+			} else {
+				this.api('posts/likes/create', {
+					post_id: this.post.id
+				}).then(() => {
+					this.post.is_liked = true;
+					this.update();
+				});
+			}
+		};
 	</script>
 </mk-post-detail-sub>
diff --git a/src/web/app/desktop/tags/post-detail.tag b/src/web/app/desktop/tags/post-detail.tag
index 3c99babaaa..cc5fbeed88 100644
--- a/src/web/app/desktop/tags/post-detail.tag
+++ b/src/web/app/desktop/tags/post-detail.tag
@@ -329,108 +329,126 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \text
-		@mixin \user-preview
-		@mixin \date-stringify
-		@mixin \NotImplementedException
+		this.mixin('api');
+		this.mixin('text');
+		this.mixin('user-preview');
+		this.mixin('date-stringify');
+		this.mixin('NotImplementedException');
 
-		@fetching = true
-		@loading-context = false
-		@content = null
-		@post = null
+		this.fetching = true;
+		this.loadingContext = false;
+		this.content = null;
+		this.post = null;
 
-		@on \mount ~>
+		this.on('mount', () => {
+			this.api('posts/show', {
+				post_id: this.opts.post
+			}).then(post => {
+				const isRepost = post.repost != null;
+				const p = isRepost ? post.repost : post;
+				this.update({
+					fetching: false,
+					post: post,
+					isRepost: isRepost,
+					p: p,
+					title: this.dateStringify(p.created_at)
+				});
 
-			@api \posts/show do
-				post_id: @opts.post
-			.then (post) ~>
-				@fetching = false
-				@post = post
-				@trigger \loaded
+				this.trigger('loaded');
 
-				@is-repost = @post.repost?
-				@p = if @is-repost then @post.repost else @post
+				if (this.p.text) {
+					const tokens = this.analyze(this.p.text);
 
-				@title = @date-stringify @p.created_at
+					this.refs.text.innerHTML = this.compile(tokens);
 
-				@update!
+					this.refs.text.children.forEach(e => {
+						if (e.tagName == 'MK-URL') riot.mount(e);
+					});
 
-				if @p.text?
-					tokens = @analyze @p.text
-					@refs.text.innerHTML = @compile tokens
-
-					@refs.text.children.for-each (e) ~>
-						if e.tag-name == \MK-URL
-							riot.mount e
-
-					# URLをプレビュー
+					// URLをプレビュー
 					tokens
-						.filter (t) -> t.type == \link
-						.map (t) ~>
-							@preview = @refs.text.append-child document.create-element \mk-url-preview
-							riot.mount @preview, do
-								url: t.content
+					.filter(t => t.type == 'link')
+					.map(t => {
+						riot.mount(this.refs.text.appendChild(document.createElement('mk-url-preview')), {
+							url: t.content
+						});
+					});
+				}
 
-				# Get likes
-				@api \posts/likes do
-					post_id: @p.id
+				// Get likes
+				this.api('posts/likes', {
+					post_id: this.p.id,
 					limit: 8
-				.then (likes) ~>
-					@likes = likes
-					@update!
+				}).then(likes => {
+					this.update({
+						likes: likes
+					});
+				});
 
-				# Get reposts
-				@api \posts/reposts do
-					post_id: @p.id
+				// Get reposts
+				this.api('posts/reposts', {
+					post_id: this.p.id,
 					limit: 8
-				.then (reposts) ~>
-					@reposts = reposts
-					@update!
+				}).then(reposts => {
+					this.update({
+						reposts: reposts
+					});
+				});
 
-				# Get replies
-				@api \posts/replies do
-					post_id: @p.id
+				// Get replies
+				this.api('posts/replies', {
+					post_id: this.p.id,
 					limit: 8
-				.then (replies) ~>
-					@replies = replies
-					@update!
+				}).then(replies => {
+					this.update({
+						replies: replies
+					});
+				});
+			});
+		});
 
-				@update!
+		this.reply = () => {
+			riot.mount(document.body.appendChild(document.createElement('mk-post-form-window')), {
+				reply: this.p
+			});
+		};
 
-		@reply = ~>
-			form = document.body.append-child document.create-element \mk-post-form-window
-			riot.mount form, do
-				reply: @p
+		this.repost = () => {
+			riot.mount(document.body.appendChild(document.createElement('mk-repost-form-window')), {
+				post: this.p
+			});
+		};
 
-		@repost = ~>
-			form = document.body.append-child document.create-element \mk-repost-form-window
-			riot.mount form, do
-				post: @p
+		this.like = () => {
+			if (this.p.is_liked) {
+				this.api('posts/likes/delete', {
+					post_id: this.p.id
+				}).then(() => {
+					this.p.is_liked = false;
+					this.update();
+				});
+			} else {
+				this.api('posts/likes/create', {
+					post_id: this.p.id
+				}).then(() => {
+					this.p.is_liked = true;
+					this.update();
+				});
+			}
+		};
 
-		@like = ~>
-			if @p.is_liked
-				@api \posts/likes/delete do
-					post_id: @p.id
-				.then ~>
-					@p.is_liked = false
-					@update!
-			else
-				@api \posts/likes/create do
-					post_id: @p.id
-				.then ~>
-					@p.is_liked = true
-					@update!
+		this.loadContext = () => {
+			this.loadingContext = true;
 
-		@load-context = ~>
-			@loading-context = true
-
-			# Get context
-			@api \posts/context do
-				post_id: @p.reply_to_id
-			.then (context) ~>
-				@context = context.reverse!
-				@loading-context = false
-				@update!
+			// Fetch context
+			this.api('posts/context', {
+				post_id: this.p.reply_to_id
+			}).then(context => {
+				this.update({
+					loadContext: false,
+					content: context.reverse()
+				});
+			});
+		};
 	</script>
 </mk-post-detail>
diff --git a/src/web/app/desktop/tags/post-form-window.tag b/src/web/app/desktop/tags/post-form-window.tag
index fc1a254e20..4f2ea25389 100644
--- a/src/web/app/desktop/tags/post-form-window.tag
+++ b/src/web/app/desktop/tags/post-form-window.tag
@@ -32,24 +32,31 @@
 
 	</style>
 	<script>
-		@uploading-files = []
-		@files = []
+		this.uploadingFiles = [];
+		this.files = [];
 
-		@on \mount ~>
-			@refs.window.refs.form.focus!
+		this.on('mount', () => {
+			this.refs.window.refs.form.focus();
 
-			@refs.window.on \closed ~>
-				@unmount!
+			this.refs.window.on('closed', () => {
+				this.unmount();
+			});
 
-			@refs.window.refs.form.on \post ~>
-				@refs.window.close!
+			this.refs.window.refs.form.on('post', () => {
+				this.refs.window.close();
+			});
 
-			@refs.window.refs.form.on \change-uploading-files (files) ~>
-				@uploading-files = files
-				@update!
+			this.refs.window.refs.form.on('change-uploading-files', files => {
+				this.update({
+					uploadingFiles: files
+				});
+			});
 
-			@refs.window.refs.form.on \change-files (files) ~>
-				@files = files
-				@update!
+			this.refs.window.refs.form.on('change-files', files => {
+				this.update({
+					files: files
+				});
+			});
+		});
 	</script>
 </mk-post-form-window>
diff --git a/src/web/app/desktop/tags/post-form.tag b/src/web/app/desktop/tags/post-form.tag
index a0b6ea7d07..3b80eee5d5 100644
--- a/src/web/app/desktop/tags/post-form.tag
+++ b/src/web/app/desktop/tags/post-form.tag
@@ -305,161 +305,160 @@
 
 	</style>
 	<script>
-		get-cat = require '../../common/scripts/get-cat'
+		const getCat = require('../../common/scripts/get-cat');
 
-		@mixin \api
-		@mixin \notify
-		@mixin \autocomplete
+		this.mixin('api');
+		this.mixin('notify');
+		this.mixin('autocomplete');
 
-		@wait = false
-		@uploadings = []
-		@files = []
-		@autocomplete = null
-		@poll = false
+		this.wait = false;
+		this.uploadings = [];
+		this.files = [];
+		this.autocomplete = null;
+		this.poll = false;
 
-		@in-reply-to-post = @opts.reply
+		this.inReplyToPost = this.opts.reply;
 
-		# https://github.com/riot/riot/issues/2080
-		if @in-reply-to-post == '' then @in-reply-to-post = null
+		// https://github.com/riot/riot/issues/2080
+		if (this.inReplyToPost == '') this.inReplyToPost = null;
 
-		@on \mount ~>
-			@refs.uploader.on \uploaded (file) ~>
-				@add-file file
+		this.on('mount', () => {
+			this.refs.uploader.on('uploaded', file => {
+				this.addFile(file);
+			});
 
-			@refs.uploader.on \change-uploads (uploads) ~>
-				@trigger \change-uploading-files uploads
+			this.refs.uploader.on('change-uploads', uploads => {
+				this.trigger('change-uploading-files', uploads);
+			});
 
-			@autocomplete = new @Autocomplete @refs.text
-			@autocomplete.attach!
+			this.autocomplete = new this.Autocomplete(this.refs.text);
+			this.autocomplete.attach();
+		});
 
-		@on \unmount ~>
-			@autocomplete.detach!
+		this.on('unmount', () => {
+			this.autocomplete.detach();
+		});
 
-		@focus = ~>
-			@refs.text.focus!
+		this.focus = () => {
+			this.refs.text.focus();
+		};
 
-		@clear = ~>
-			@refs.text.value = ''
-			@files = []
-			@trigger \change-files
-			@update!
+		this.clear = () => {
+			this.refs.text.value = '';
+			this.files = [];
+			this.trigger('change-files');
+			this.update();
+		};
 
-		@ondragover = (e) ~>
-			e.stop-propagation!
-			@draghover = true
-			# ドラッグされてきたものがファイルだったら
-			if e.data-transfer.effect-allowed == \all
-				e.data-transfer.drop-effect = \copy
-			else
-				e.data-transfer.drop-effect = \move
-			return false
+		this.ondragover = e => {
+			e.stopPropagation();
+			this.draghover = true;
+			e.dataTransfer.dropEffect = e.dataTransfer.effectAllowed == 'all' ? 'copy' : 'move';
+			return false;
+		};
 
-		@ondragenter = (e) ~>
-			@draghover = true
+		this.ondragenter = e => {
+			this.draghover = true;
+		};
 
-		@ondragleave = (e) ~>
-			@draghover = false
+		this.ondragleave = e => {
+			this.draghover = false;
+		};
 
-		@ondrop = (e) ~>
-			e.prevent-default!
-			e.stop-propagation!
-			@draghover = false
+		this.ondrop = e => {
+			e.preventDefault();
+			e.stopPropagation();
+			this.draghover = false;
 
-			# ファイルだったら
-			if e.data-transfer.files.length > 0
-				Array.prototype.for-each.call e.data-transfer.files, (file) ~>
-					@upload file
-				return false
+			// ファイルだったら
+			if (e.dataTransfer.files.length > 0) {
+				e.dataTransfer.files.forEach(this.upload);
+			}
 
-			# データ取得
-			data = e.data-transfer.get-data 'text'
-			if !data?
-				return false
+			return false;
+		};
 
-			try
-				# パース
-				obj = JSON.parse data
+		this.onkeydown = e => {
+			if ((e.which == 10 || e.which == 13) && (e.ctrlKey || e.metaKey)) this.post();
+		};
 
-				# (ドライブの)ファイルだったら
-				if obj.type == \file
-					@add-file obj.file
-			catch
-				# ignore
+		this.onpaste = e => {
+			e.clipboardData.items.forEach(item => {
+				if (item.kind == 'file') {
+					this.upload(item.getAsFile());
+				}
+			});
+		};
 
-			return false
+		this.selectFile = () => {
+			this.refs.file.click();
+		};
 
-		@onkeydown = (e) ~>
-			if (e.which == 10 || e.which == 13) && (e.ctrl-key || e.meta-key)
-				@post!
-
-		@onpaste = (e) ~>
-			data = e.clipboard-data
-			items = data.items
-			for i from 0 to items.length - 1
-				item = items[i]
-				switch (item.kind)
-					| \file =>
-						@upload item.get-as-file!
-
-		@select-file = ~>
-			@refs.file.click!
-
-		@select-file-from-drive = ~>
-			browser = document.body.append-child document.create-element \mk-select-file-from-drive-window
-			i = riot.mount browser, do
+		this.selectFileFromDrive = () => {
+			const i = riot.mount(document.body.appendChild(document.createElement('mk-select-file-from-drive-window')), {
 				multiple: true
-			i[0].one \selected (files) ~>
-				files.for-each @add-file
+			})[0];
+			i.one('selected', files => {
+				files.forEach(this.addFile);
+			});
+		};
 
-		@change-file = ~>
-			files = @refs.file.files
-			for i from 0 to files.length - 1
-				file = files.item i
-				@upload file
+		this.changeFile = () => {
+			this.refs.file.files.forEach(this.upload);
+		};
 
-		@upload = (file) ~>
-			@refs.uploader.upload file
+		this.upload = file => {
+			this.refs.uploader.upload(file);
+		};
 
-		@add-file = (file) ~>
-			file._remove = ~>
-				@files = @files.filter (x) -> x.id != file.id
-				@trigger \change-files @files
-				@update!
+		this.addFile = file => {
+			file._remove = () => {
+				this.files = this.files.filter(x => x.id != file.id);
+				this.trigger('change-files', this.files);
+				this.update();
+			};
 
-			@files.push file
-			@trigger \change-files @files
-			@update!
+			this.files.push(file);
+			this.trigger('change-files', this.files);
+			this.update();
+		};
 
-		@add-poll = ~>
-			@poll = true
+		this.addPoll = () => {
+			this.poll = true;
+		};
 
-		@on-poll-destroyed = ~>
-			@update do
+		this.onPollDestroyed = () => {
+			this.update({
 				poll: false
+			});
+		};
 
-		@post = (e) ~>
-			@wait = true
+		this.post = e => {
+			this.wait = true;
 
-			files = if @files? and @files.length > 0
-				then @files.map (f) -> f.id
-				else undefined
+			const files = this.files && this.files.length > 0
+				? this.files.map(f => f.id)
+				: undefined;
 
-			@api \posts/create do
-				text: @refs.text.value
-				media_ids: files
-				reply_to_id: if @in-reply-to-post? then @in-reply-to-post.id else undefined
-				poll: if @poll then @refs.poll.get! else undefined
-			.then (data) ~>
-				@trigger \post
-				@notify if @in-reply-to-post? then '返信しました！' else '投稿しました！'
-			.catch (err) ~>
-				console.error err
-				@notify '投稿できませんでした'
-			.then ~>
-				@wait = false
-				@update!
+			this.api('posts/create', {
+				text: this.refs.text.value,
+				media_ids: files,
+				reply_to_id: this.inReplyToPost ? this.inReplyToPost.id : undefined,
+				poll: this.poll ? this.refs.poll.get() : undefined
+			}).then(data => {
+				this.trigger('post');
+				this.notify(this.inReplyToPost ? '返信しました！' : '投稿しました！');
+			}).catch(err => {
+				this.notify('投稿できませんでした');
+			}).then(() => {
+				this.update({
+					wait: false
+				});
+			});
+		};
 
-		@cat = ~>
-			@refs.text.value = @refs.text.value + get-cat!
+		this.cat = () => {
+			this.refs.text.value += getCat();
+		};
 	</script>
 </mk-post-form>
diff --git a/src/web/app/desktop/tags/post-preview.tag b/src/web/app/desktop/tags/post-preview.tag
index c0514c323e..458a6f83f2 100644
--- a/src/web/app/desktop/tags/post-preview.tag
+++ b/src/web/app/desktop/tags/post-preview.tag
@@ -83,11 +83,11 @@
 
 	</style>
 	<script>
-		@mixin \date-stringify
-		@mixin \user-preview
+		this.mixin('date-stringify');
+		this.mixin('user-preview');
 
-		@post = @opts.post
+		this.post = this.opts.post;
 
-		@title = @date-stringify @post.created_at
+		this.title = this.dateStringify(this.post.created_at);
 	</script>
 </mk-post-preview>
diff --git a/src/web/app/desktop/tags/progress-dialog.tag b/src/web/app/desktop/tags/progress-dialog.tag
index c60746257b..760f869f6e 100644
--- a/src/web/app/desktop/tags/progress-dialog.tag
+++ b/src/web/app/desktop/tags/progress-dialog.tag
@@ -75,20 +75,25 @@
 
 	</style>
 	<script>
-		@title = @opts.title
-		@value = parse-int @opts.value, 10
-		@max = parse-int @opts.max, 10
+		this.title = this.opts.title;
+		this.value = parseInt(this.opts.value, 10);
+		this.max = parseInt(this.opts.max, 10);
 
-		@on \mount ~>
-			@refs.window.on \closed ~>
-				@unmount!
+		this.on('mount', () => {
+			this.refs.window.on('closed', () => {
+				this.unmount();
+			});
+		});
 
-		@update-progress = (value, max) ~>
-			@value = parse-int value, 10
-			@max = parse-int max, 10
-			@update!
+		this.updateProgress = (value, max) => {
+			this.update({
+				value: parseInt(value, 10),
+				max: parseInt(max, 10)
+			});
+		};
 
-		@close = ~>
-			@refs.window.close!
+		this.close = () => {
+			this.refs.window.close();
+		};
 	</script>
 </mk-progress-dialog>
diff --git a/src/web/app/desktop/tags/repost-form-window.tag b/src/web/app/desktop/tags/repost-form-window.tag
index 45a0cdae6d..75fe9f4829 100644
--- a/src/web/app/desktop/tags/repost-form-window.tag
+++ b/src/web/app/desktop/tags/repost-form-window.tag
@@ -12,25 +12,32 @@
 
 	</style>
 	<script>
-		@on-document-keydown = (e) ~>
-			tag = e.target.tag-name.to-lower-case!
-			if tag != \input and tag != \textarea
-				if e.which == 27 # Esc
-					@refs.window.close!
+		this.onDocumentKeydown = e => {
+			if (e.target.tagName != 'INPUT' && e.target.tagName != 'TEXTAREA') {
+				if (e.which == 27) { // Esc
+					this.refs.window.close();
+				}
+			}
+		};
 
-		@on \mount ~>
-			@refs.window.refs.form.on \cancel ~>
-				@refs.window.close!
+		this.on('mount', () => {
+			this.refs.window.refs.form.on('cancel', () => {
+				this.refs.window.close();
+			});
 
-			@refs.window.refs.form.on \posted ~>
-				@refs.window.close!
+			this.refs.window.refs.form.on('posted', () => {
+				this.refs.window.close();
+			});
 
-			document.add-event-listener \keydown @on-document-keydown
+			document.addEventListener('keydown', this.onDocumentKeydown);
 
-			@refs.window.on \closed ~>
-				@unmount!
+			this.refs.window.on('closed', () => {
+				this.unmount();
+			});
+		});
 
-		@on \unmount ~>
-			document.remove-event-listener \keydown @on-document-keydown
+		this.on('unmount', () => {
+			document.removeEventListener('keydown', this.onDocumentKeydown);
+		});
 	</script>
 </mk-repost-form-window>
diff --git a/src/web/app/desktop/tags/repost-form.tag b/src/web/app/desktop/tags/repost-form.tag
index 2c07ff4b16..e5101d9f2c 100644
--- a/src/web/app/desktop/tags/repost-form.tag
+++ b/src/web/app/desktop/tags/repost-form.tag
@@ -114,31 +114,35 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \notify
+		this.mixin('api');
+		this.mixin('notify');
 
-		@wait = false
-		@quote = false
+		this.wait = false;
+		this.quote = false;
 
-		@cancel = ~>
-			@trigger \cancel
+		this.cancel = () => {
+			this.trigger('cancel');
+		};
 
-		@ok = ~>
-			@wait = true
-			@api \posts/create do
-				repost_id: @opts.post.id
-				text: if @quote then @refs.text.value else undefined
-			.then (data) ~>
-				@trigger \posted
-				@notify 'Repostしました！'
-			.catch (err) ~>
-				console.error err
-				@notify 'Repostできませんでした'
-			.then ~>
-				@wait = false
-				@update!
+		this.ok = () => {
+			this.wait = true;
+			this.api('posts/create', {
+				repost_id: this.opts.post.id,
+				text: this.quote ? this.refs.text.value : undefined
+			}).then(data => {
+				this.trigger('posted');
+				this.notify('Repostしました！');
+			}).catch(err => {
+				this.notify('Repostできませんでした');
+			}).then(() => {
+				this.update({
+					wait: false
+				});
+			});
+		};
 
-		@onquote = ~>
-			@quote = true
+		this.onquote = () => {
+			this.quote = true;
+		};
 	</script>
 </mk-repost-form>
diff --git a/src/web/app/desktop/tags/search-posts.tag b/src/web/app/desktop/tags/search-posts.tag
index 2cc9b788ae..95ee33a5a4 100644
--- a/src/web/app/desktop/tags/search-posts.tag
+++ b/src/web/app/desktop/tags/search-posts.tag
@@ -28,59 +28,64 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \get-post-summary
+		this.mixin('api');
+		this.mixin('get-post-summary');
 
-		@query = @opts.query
-		@is-loading = true
-		@is-empty = false
-		@more-loading = false
-		@page = 0
+		this.query = this.opts.query;
+		this.isLoading = true;
+		this.isEmpty = false;
+		this.moreLoading = false;
+		this.page = 0;
 
-		@on \mount ~>
-			document.add-event-listener \keydown @on-document-keydown
-			window.add-event-listener \scroll @on-scroll
+		this.on('mount', () => {
+			document.addEventListener('keydown', this.onDocumentKeydown);
+			window.addEventListener('scroll', this.onScroll);
 
-			@api \posts/search do
-				query: @query
-			.then (posts) ~>
-				@is-loading = false
-				@is-empty = posts.length == 0
-				@update!
-				@refs.timeline.set-posts posts
-				@trigger \loaded
-			.catch (err) ~>
-				console.error err
+			this.api('posts/search', {
+				query: this.query
+			}).then(posts => {
+				this.update({
+					isLoading: false,
+					isEmpty: posts.length == 0
+				});
+				this.refs.timeline.setPosts(posts);
+				this.trigger('loaded');
+			});
+		});
 
-		@on \unmount ~>
-			document.remove-event-listener \keydown @on-document-keydown
-			window.remove-event-listener \scroll @on-scroll
+		this.on('unmount', () => {
+			document.removeEventListener('keydown', this.onDocumentKeydown);
+			window.removeEventListener('scroll', this.onScroll);
+		});
 
-		@on-document-keydown = (e) ~>
-			tag = e.target.tag-name.to-lower-case!
-			if tag != \input and tag != \textarea
-				if e.which == 84 # t
-					@refs.timeline.focus!
+		this.onDocumentKeydown = e => {
+			if (e.target.tagName != 'INPUT' && e.target.tagName != 'TEXTAREA') {
+				if (e.which == 84) { // t
+					this.refs.timeline.focus();
+				}
+			}
+		};
 
-		@more = ~>
-			if @more-loading or @is-loading or @timeline.posts.length == 0
-				return
-			@more-loading = true
-			@update!
-			@api \posts/search do
-				query: @query
-				page: @page + 1
-			.then (posts) ~>
-				@more-loading = false
-				@page++
-				@update!
-				@refs.timeline.prepend-posts posts
-			.catch (err) ~>
-				console.error err
+		this.more = () => {
+			if (this.moreLoading || this.isLoading || this.timeline.posts.length == 0) return;
+			this.update({
+				moreLoading: true
+			});
+			this.api('posts/search', {
+				query: this.query,
+				page: this.page + 1
+			}).then(posts => {
+				this.update({
+					moreLoading: false,
+					page: page + 1
+				});
+				this.refs.timeline.prependPosts(posts);
+			});
+		};
 
-		@on-scroll = ~>
-			current = window.scroll-y + window.inner-height
-			if current > document.body.offset-height - 16 # 遊び
-				@more!
+		this.onScroll = () => {
+			const current = window.scrollY + window.innerHeight;
+			if (current > document.body.offsetHeight - 16) this.more();
+		};
 	</script>
 </mk-search-posts>
diff --git a/src/web/app/desktop/tags/search.tag b/src/web/app/desktop/tags/search.tag
index d2561dfdca..681b4c8aed 100644
--- a/src/web/app/desktop/tags/search.tag
+++ b/src/web/app/desktop/tags/search.tag
@@ -23,10 +23,12 @@
 
 	</style>
 	<script>
-		@query = @opts.query
+		this.query = this.opts.query;
 
-		@on \mount ~>
-			@refs.posts.on \loaded ~>
-				@trigger \loaded
+		this.on('mount', () => {
+			this.refs.posts.on('loaded', () => {
+				this.trigger('loaded');
+			});
+		});
 	</script>
 </mk-search>
diff --git a/src/web/app/desktop/tags/select-file-from-drive-window.tag b/src/web/app/desktop/tags/select-file-from-drive-window.tag
index f9ba9e3cc0..777073583f 100644
--- a/src/web/app/desktop/tags/select-file-from-drive-window.tag
+++ b/src/web/app/desktop/tags/select-file-from-drive-window.tag
@@ -131,31 +131,38 @@
 
 	</style>
 	<script>
-		@file = []
+		this.file = [];
 
-		@multiple = if @opts.multiple? then @opts.multiple else false
-		@title = @opts.title || '<i class="fa fa-file-o"></i>ファイルを選択'
+		this.multiple = this.opts.multiple != null ? this.opts.multiple : false;
+		this.title = this.opts.title || '<i class="fa fa-file-o"></i>ファイルを選択';
 
-		@on \mount ~>
-			@refs.window.refs.browser.on \selected (file) ~>
-				@file = file
-				@ok!
+		this.on('mount', () => {
+			this.refs.window.refs.browser.on('selected', file => {
+				this.file = file;
+				this.ok();
+			});
 
-			@refs.window.refs.browser.on \change-selection (files) ~>
-				@file = files
-				@update!
+			this.refs.window.refs.browser.on('change-selection', files => {
+				this.file = files;
+				this.update();
+			});
 
-			@refs.window.on \closed ~>
-				@unmount!
+			this.refs.window.on('closed', () => {
+				this.unmount();
+			});
+		});
 
-		@close = ~>
-			@refs.window.close!
+		this.close = () => {
+			this.refs.window.close();
+		};
 
-		@upload = ~>
-			@refs.window.refs.browser.select-local-file!
+		this.upload = () => {
+			this.refs.window.refs.browser.selectLocalFile();
+		};
 
-		@ok = ~>
-			@trigger \selected @file
-			@refs.window.close!
+		this.ok = () => {
+			this.trigger('selected', this.file);
+			this.refs.window.close();
+		};
 	</script>
 </mk-select-file-from-drive-window>
diff --git a/src/web/app/desktop/tags/set-avatar-suggestion.tag b/src/web/app/desktop/tags/set-avatar-suggestion.tag
index 22a0de0f3a..335148ea5d 100644
--- a/src/web/app/desktop/tags/set-avatar-suggestion.tag
+++ b/src/web/app/desktop/tags/set-avatar-suggestion.tag
@@ -31,15 +31,17 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \update-avatar
+		this.mixin('i');
+		this.mixin('update-avatar');
 
-		@set = ~>
-			@update-avatar @I
+		this.set = () => {
+			this.updateAvatar(this.I);
+		};
 
-		@close = (e) ~>
-			e.prevent-default!
-			e.stop-propagation!
-			@unmount!
+		this.close = e => {
+			e.preventDefault();
+			e.stopPropagation();
+			this.unmount();
+		};
 	</script>
 </mk-set-avatar-suggestion>
diff --git a/src/web/app/desktop/tags/set-banner-suggestion.tag b/src/web/app/desktop/tags/set-banner-suggestion.tag
index 3ccaab108d..deddc478cc 100644
--- a/src/web/app/desktop/tags/set-banner-suggestion.tag
+++ b/src/web/app/desktop/tags/set-banner-suggestion.tag
@@ -31,15 +31,17 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \update-banner
+		this.mixin('i');
+		this.mixin('update-banner');
 
-		@set = ~>
-			@update-banner @I
+		this.set = () => {
+			this.updateBanner(this.I);
+		};
 
-		@close = (e) ~>
-			e.prevent-default!
-			e.stop-propagation!
-			@unmount!
+		this.close = e => {
+			e.preventDefault();
+			e.stopPropagation();
+			this.unmount();
+		};
 	</script>
 </mk-set-banner-suggestion>
diff --git a/src/web/app/desktop/tags/settings-window.tag b/src/web/app/desktop/tags/settings-window.tag
index 10bb48de76..cb78921d42 100644
--- a/src/web/app/desktop/tags/settings-window.tag
+++ b/src/web/app/desktop/tags/settings-window.tag
@@ -15,11 +15,14 @@
 
 	</style>
 	<script>
-		@on \mount ~>
-			@refs.window.on \closed ~>
-				@unmount!
+		this.on('mount', () => {
+			this.refs.window.on('closed', () => {
+				this.unmount();
+			});
+		});
 
-		@close = ~>
-			@refs.window.close!
+		this.close = () => {
+			this.refs.window.close();
+		};
 	</script>
 </mk-settings-window>
diff --git a/src/web/app/desktop/tags/settings.tag b/src/web/app/desktop/tags/settings.tag
index 1c14514ac0..544e41c256 100644
--- a/src/web/app/desktop/tags/settings.tag
+++ b/src/web/app/desktop/tags/settings.tag
@@ -47,11 +47,6 @@
 				<p>読み込みを高速化する</p>
 				<p>API通信時に新鮮なユーザー情報をキャッシュすることでフェッチのオーバーヘッドを無くします。(実験的)</p>
 			</label>
-			<label class="checkbox">
-				<input type="checkbox" checked={ I.data.debug } onclick={ updateDebug }/>
-				<p>開発者モード</p>
-				<p>デバッグ等の開発者モードを有効にします。</p>
-			</label>
 			<label class="checkbox">
 				<input type="checkbox" checked={ I.data.nya } onclick={ updateNya }/>
 				<p><i>な</i>を<i>にゃ</i>に変換する</p>
@@ -198,46 +193,49 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \api
-		@mixin \dialog
-		@mixin \update-avatar
+		this.mixin('i');
+		this.mixin('api');
+		this.mixin('notify');
+		this.mixin('dialog');
+		this.mixin('update-avatar');
 
-		@page = \account
+		this.page = 'account';
 
-		@set-page = (page) ~>
-			@page = page
+		this.setPage = page => {
+			this.page = page;
+		};
 
-		@avatar = ~>
-			@update-avatar @I
+		this.avatar = () => {
+			this.updateAvatar(this.I);
+		};
 
-		@update-account = ~>
-			@api \i/update do
-				name: @refs.account-name.value
-				location: @refs.account-location.value
-				bio: @refs.account-bio.value
-				birthday: @refs.account-birthday.value
-			.then (i) ~>
-				alert \ok
-			.catch (err) ~>
-				console.error err
+		this.updateAccount = () => {
+			this.api('i/update', {
+				name: this.refs.accountName.value,
+				location: this.refs.accountLocation.value,
+				bio: this.refs.accountBio.value,
+				birthday: this.refs.accountBirthday.value
+			}).then(() => {
+				this.notify('プロフィールを更新しました');
+			});
+		};
 
-		@update-cache = ~>
-			@I.data.cache = !@I.data.cache
-			@api \i/appdata/set do
-				data: JSON.stringify do
-					cache: @I.data.cache
+		this.updateCache = () => {
+			this.I.data.cache = !this.I.data.cache;
+			this.api('i/appdata/set', {
+				data: JSON.stringify({
+					cache: this.I.data.cache
+				})
+			});
+		};
 
-		@update-debug = ~>
-			@I.data.debug = !@I.data.debug
-			@api \i/appdata/set do
-				data: JSON.stringify do
-					debug: @I.data.debug
-
-		@update-nya = ~>
-			@I.data.nya = !@I.data.nya
-			@api \i/appdata/set do
-				data: JSON.stringify do
-					nya: @I.data.nya
+		this.updateNya = () => {
+			this.I.data.nya = !this.I.data.nya;
+			this.api('i/appdata/set', {
+				data: JSON.stringify({
+					nya: this.I.data.nya
+				})
+			});
+		};
 	</script>
 </mk-settings>
diff --git a/src/web/app/desktop/tags/stream-indicator.tag b/src/web/app/desktop/tags/stream-indicator.tag
deleted file mode 100644
index d2ab34574d..0000000000
--- a/src/web/app/desktop/tags/stream-indicator.tag
+++ /dev/null
@@ -1,54 +0,0 @@
-<mk-stream-indicator>
-	<p if={ state == 'initializing' }><i class="fa fa-spinner fa-spin"></i><span>接続中
-			<mk-ellipsis></mk-ellipsis></span></p>
-	<p if={ state == 'reconnecting' }><i class="fa fa-spinner fa-spin"></i><span>切断されました 接続中
-			<mk-ellipsis></mk-ellipsis></span></p>
-	<p if={ state == 'connected' }><i class="fa fa-check"></i><span>接続完了</span></p>
-	<style>
-		:scope
-			display block
-			pointer-events none
-			position fixed
-			z-index 16384
-			bottom 8px
-			right 8px
-			margin 0
-			padding 6px 12px
-			font-size 0.9em
-			color #fff
-			background rgba(0, 0, 0, 0.8)
-
-			> p
-				display block
-				margin 0
-
-				> i
-					margin-right 0.25em
-
-	</style>
-	<script>
-		@mixin \stream
-
-		@on \before-mount ~>
-			@state = @get-stream-state!
-
-			if @state == \connected
-				@root.style.opacity = 0
-
-		@stream-state-ev.on \connected ~>
-			@state = @get-stream-state!
-			@update!
-			set-timeout ~>
-				Velocity @root, {
-					opacity: 0
-				} 200ms \linear
-			, 1000ms
-
-		@stream-state-ev.on \closed ~>
-			@state = @get-stream-state!
-			@update!
-			Velocity @root, {
-				opacity: 1
-			} 0ms
-	</script>
-</mk-stream-indicator>
diff --git a/src/web/app/desktop/tags/sub-post-content.tag b/src/web/app/desktop/tags/sub-post-content.tag
index 72f570dd6a..e0509ab7d4 100644
--- a/src/web/app/desktop/tags/sub-post-content.tag
+++ b/src/web/app/desktop/tags/sub-post-content.tag
@@ -1,5 +1,11 @@
 <mk-sub-post-content>
-	<div class="body"><a class="reply" if={ post.reply_to_id }><i class="fa fa-reply"></i></a><span ref="text"></span><a class="quote" if={ post.repost_id } href={ '/post:' + post.repost_id }>RP: ...</a></div>
+	<div class="body">
+		<a class="reply" if={ post.reply_to_id }>
+			<i class="fa fa-reply"></i>
+		</a>
+		<span ref="text"></span>
+		<a class="quote" if={ post.repost_id } href={ '/post:' + post.repost_id }>RP: ...</a>
+	</div>
 	<details if={ post.media }>
 		<summary>({ post.media.length }つのメディア)</summary>
 		<mk-images-viewer images={ post.media }></mk-images-viewer>
@@ -28,18 +34,20 @@
 
 	</style>
 	<script>
-		@mixin \text
-		@mixin \user-preview
+		this.mixin('text');
+		this.mixin('user-preview');
 
-		@post = @opts.post
+		this.post = this.opts.post;
 
-		@on \mount ~>
-			if @post.text?
-				tokens = @analyze @post.text
-				@refs.text.innerHTML = @compile tokens, false
+		this.on('mount', () => {
+			if (this.post.text) {
+				const tokens = this.analyze(this.post.text);
+				this.refs.text.innerHTML = this.compile(tokens, false);
 
-				@refs.text.children.for-each (e) ~>
-					if e.tag-name == \MK-URL
-						riot.mount e
+				this.refs.text.children.forEach(e => {
+					if (e.tagName == 'MK-URL') riot.mount(e);
+				});
+			}
+		});
 	</script>
 </mk-sub-post-content>
diff --git a/src/web/app/desktop/tags/timeline-post-sub.tag b/src/web/app/desktop/tags/timeline-post-sub.tag
index 5884927d75..905bc7aacf 100644
--- a/src/web/app/desktop/tags/timeline-post-sub.tag
+++ b/src/web/app/desktop/tags/timeline-post-sub.tag
@@ -8,15 +8,6 @@
 			</div>
 		</div>
 	</article>
-	<script>
-		@mixin \date-stringify
-		@mixin \user-preview
-
-		@post = @opts.post
-
-		@title = @date-stringify @post.created_at
-
-	</script>
 	<style>
 		:scope
 			display block
@@ -97,4 +88,11 @@
 								font-size 80%
 
 	</style>
+	<script>
+		this.mixin('date-stringify');
+		this.mixin('user-preview');
+
+		this.post = this.opts.post;
+		this.title = this.dateStringify(this.post.created_at);
+	</script>
 </mk-timeline-post-sub>
diff --git a/src/web/app/desktop/tags/timeline-post.tag b/src/web/app/desktop/tags/timeline-post.tag
index 1549151fdb..440d5d9f42 100644
--- a/src/web/app/desktop/tags/timeline-post.tag
+++ b/src/web/app/desktop/tags/timeline-post.tag
@@ -55,8 +55,13 @@
 				<button class={ liked: p.is_liked } onclick={ like } title="善哉"><i class="fa fa-thumbs-o-up"></i>
 					<p class="count" if={ p.likes_count > 0 }>{ p.likes_count }</p>
 				</button>
-				<button onclick={ NotImplementedException }><i class="fa fa-ellipsis-h"></i></button>
-				<button onclick={ toggleDetail } title="詳細"><i class="fa fa-caret-down" if={ !isDetailOpened }></i><i class="fa fa-caret-up" if={ isDetailOpened }></i></button>
+				<button onclick={ NotImplementedException }>
+					<i class="fa fa-ellipsis-h"></i>
+				</button>
+				<button onclick={ toggleDetail } title="詳細">
+					<i class="fa fa-caret-down" if={ !isDetailOpened }></i>
+					<i class="fa fa-caret-up" if={ isDetailOpened }></i>
+				</button>
 			</footer>
 		</div>
 	</article>
@@ -312,96 +317,124 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \text
-		@mixin \date-stringify
-		@mixin \user-preview
-		@mixin \NotImplementedException
+		this.mixin('api');
+		this.mixin('text');
+		this.mixin('date-stringify');
+		this.mixin('user-preview');
+		this.mixin('NotImplementedException');
 
-		@post = @opts.post
-		@is-repost = @post.repost? and !@post.text?
-		@p = if @is-repost then @post.repost else @post
+		this.post = this.opts.post;
+		this.isRepost = this.post.repost && this.post.text == null;
+		this.p = this.isRepost ? this.post.repost : this.post;
 
-		@title = @date-stringify @p.created_at
+		this.title = this.dateStringify(this.p.created_at);
 
-		@url = CONFIG.url + '/' + @p.user.username + '/' + @p.id
-		@is-detail-opened = false
+		this.url = CONFIG.url + '/' + this.p.user.username + '/' + this.p.id;
+		this.isDetailOpened = false;
 
-		@on \mount ~>
-			if @p.text?
-				tokens = if @p._highlight?
-					then @analyze @p._highlight
-					else @analyze @p.text
+		this.on('mount', () => {
+			if (this.p.text) {
+				const tokens = this.analyze(this.p.text);
 
-				@refs.text.innerHTML = @refs.text.innerHTML.replace '<p class="dummy"></p>' if @p._highlight?
-					then @compile tokens, true, false
-					else @compile tokens
+				this.refs.text.innerHTML = this.refs.text.innerHTML.replace('<p class="dummy"></p>', this.compile(tokens));
 
-				@refs.text.children.for-each (e) ~>
-					if e.tag-name == \MK-URL
-						riot.mount e
+				this.refs.text.children.forEach(e => {
+					if (e.tagName == 'MK-URL') riot.mount(e);
+				});
 
-				# URLをプレビュー
+				// URLをプレビュー
 				tokens
-					.filter (t) -> t.type == \link
-					.map (t) ~>
-						@preview = @refs.text.append-child document.create-element \mk-url-preview
-						riot.mount @preview, do
-							url: t.content
+				.filter(t => t.type == 'link')
+				.map(t => {
+					riot.mount(this.refs.text.appendChild(document.createElement('mk-url-preview')), {
+						url: t.content
+					});
+				});
+			}
+		});
 
-		@reply = ~>
-			form = document.body.append-child document.create-element \mk-post-form-window
-			riot.mount form, do
-				reply: @p
+		this.reply = () => {
+			riot.mount(document.body.appendChild(document.createElement('mk-post-form-window')), {
+				reply: this.p
+			});
+		};
 
-		@repost = ~>
-			form = document.body.append-child document.create-element \mk-repost-form-window
-			riot.mount form, do
-				post: @p
+		this.repost = () => {
+			riot.mount(document.body.appendChild(document.createElement('mk-repost-form-window')), {
+				post: this.p
+			});
+		};
 
-		@like = ~>
-			if @p.is_liked
-				@api \posts/likes/delete do
-					post_id: @p.id
-				.then ~>
-					@p.is_liked = false
-					@update!
-			else
-				@api \posts/likes/create do
-					post_id: @p.id
-				.then ~>
-					@p.is_liked = true
-					@update!
+		this.like = () => {
+			if (this.p.is_liked) {
+				this.api('posts/likes/delete', {
+					post_id: this.p.id
+				}).then(() => {
+					this.p.is_liked = false;
+					this.update();
+				});
+			} else {
+				this.api('posts/likes/create', {
+					post_id: this.p.id
+				}).then(() => {
+					this.p.is_liked = true;
+					this.update();
+				});
+			}
+		};
 
-		@toggle-detail = ~>
-			@is-detail-opened = !@is-detail-opened
-			@update!
+		this.toggleDetail = () => {
+			this.update({
+				isDetailOpened: !this.isDetailOpened
+			});
+		};
 
-		@on-key-down = (e) ~>
-			should-be-cancel = true
-			switch
-			| e.which == 38 or e.which == 74 or (e.which == 9 and e.shift-key) => # ↑, j or Shift+Tab
-				focus @root, (e) -> e.previous-element-sibling
-			| e.which == 40 or e.which == 75 or e.which == 9 => # ↓, k or Tab
-				focus @root, (e) -> e.next-element-sibling
-			| e.which == 81 or e.which == 69 => # q or e
-				@repost!
-			| e.which == 70 or e.which == 76 => # f or l
-				@like!
-			| e.which == 82 => # r
-				@reply!
-			| _ =>
-				should-be-cancel = false
+		this.onKeyDown = e => {
+			let shouldBeCancel = true;
 
-			if should-be-cancel
-				e.prevent-default!
+			switch (true) {
+				case e.which == 38: // [↑]
+				case e.which == 74: // [j]
+				case e.which == 9 && e.shiftKey: // [Shift] + [Tab]
+					focus(this.root, e => e.previousElementSibling);
+					break;
 
-		function focus(el, fn)
-			target = fn el
-			if target?
-				if target.has-attribute \tabindex
-					target.focus!
-				else
-					focus target, fn
+				case e.which == 40: // [↓]
+				case e.which == 75: // [k]
+				case e.which == 9: // [Tab]
+					focus(this.root, e => e.nextElementSibling);
+					break;
+
+				case e.which == 81: // [q]
+				case e.which == 69: // [e]
+					this.repost();
+					break;
+
+				case e.which == 70: // [f]
+				case e.which == 76: // [l]
+					this.like();
+					break;
+
+				case e.which == 82: // [r]
+					this.reply();
+					break;
+				
+				default:
+					shouldBeCancel = false;
+			}
+
+			if (shouldBeCancel) e.preventDefault();
+		};
+
+		function focus(el, fn) {
+			const target = fn(el);
+			if (target) {
+				if (target.hasAttribute('tabindex')) {
+					target.focus();
+				} else {
+					focus(target, fn);
+				}
+			}
+		}
 	</script>
 </mk-timeline-post>
diff --git a/src/web/app/desktop/tags/timeline.tag b/src/web/app/desktop/tags/timeline.tag
index 3439a426e3..a589adf5a0 100644
--- a/src/web/app/desktop/tags/timeline.tag
+++ b/src/web/app/desktop/tags/timeline.tag
@@ -3,7 +3,9 @@
 		<mk-timeline-post post={ post }></mk-timeline-post>
 		<p class="date" if={ i != posts.length - 1 && post._date != posts[i + 1]._date }><span><i class="fa fa-angle-up"></i>{ post._datetext }</span><span><i class="fa fa-angle-down"></i>{ posts[i + 1]._datetext }</span></p>
 	</virtual>
-	<footer data-yield="footer"><yield from="footer"/></footer>
+	<footer data-yield="footer">
+		<yield from="footer"/>
+	</footer>
 	<style>
 		:scope
 			display block
@@ -44,36 +46,47 @@
 
 	</style>
 	<script>
-		@posts = []
+		this.posts = [];
 
-		@set-posts = (posts) ~>
-			@posts = posts
-			@update!
+		this.on('update', () => {
+			this.posts.forEach(post => {
+				const date = new Date(post.created_at).getDate();
+				const month = new Date(post.created_at).getMonth() + 1;
+				post._date = date;
+				post._datetext = `${month}月 ${date}日`;
+			});
+		});
 
-		@prepend-posts = (posts) ~>
-			posts.for-each (post) ~>
-				@posts.push post
-				@update!
+		this.setPosts = posts => {
+			this.update({
+				posts: posts
+			});
+		};
 
-		@add-post = (post) ~>
-			@posts.unshift post
-			@update!
+		this.prependPosts = posts => {
+			posts.forEach(post => {
+				this.posts.push(post);
+				this.update();
+			});
+		}
 
-		@clear = ~>
-			@posts = []
-			@update!
+		this.addPost = post => {
+			this.posts.unshift(post);
+			this.update();
+		};
 
-		@focus = ~>
-			@root.children.0.focus!
+		this.tail = () => {
+			return this.posts[this.posts.length - 1];
+		};
 
-		@on \update ~>
-			@posts.for-each (post) ~>
-				date = (new Date post.created_at).get-date!
-				month = (new Date post.created_at).get-month! + 1
-				post._date = date
-				post._datetext = month + '月 ' + date + '日'
+		this.clear = () => {
+			this.posts = [];
+			this.update();
+		};
+
+		this.focus = () => {
+			this.root.children[0].focus();
+		};
 
-		@tail = ~>
-			@posts[@posts.length - 1]
 	</script>
 </mk-timeline>
diff --git a/src/web/app/desktop/tags/ui-header-account.tag b/src/web/app/desktop/tags/ui-header-account.tag
index 6071995cec..c035529f79 100644
--- a/src/web/app/desktop/tags/ui-header-account.tag
+++ b/src/web/app/desktop/tags/ui-header-account.tag
@@ -159,54 +159,54 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \signout
+		const contains = require('../../common/scripts/contains');
 
-		@is-open = false
+		this.mixin('i');
+		this.mixin('signout');
 
-		@on \before-unmount ~>
-			@close!
+		this.isOpen = false;
 
-		@toggle = ~>
-			if @is-open
-				@close!
-			else
-				@open!
+		this.on('before-unmount', () => {
+			this.close();
+		});
 
-		@open = ~>
-			@is-open = true
-			@update!
-			all = document.query-selector-all 'body *'
-			Array.prototype.for-each.call all, (el) ~>
-				el.add-event-listener \mousedown @mousedown
+		this.toggle = () => {
+			this.isOpen ? this.close() : this.open();
+		};
 
-		@close = ~>
-			@is-open = false
-			@update!
-			all = document.query-selector-all 'body *'
-			Array.prototype.for-each.call all, (el) ~>
-				el.remove-event-listener \mousedown @mousedown
+		this.open = () => {
+			this.update({
+				isOpen: true
+			});
+			document.querySelectorAll('body *').forEach(el => {
+				el.addEventListener('mousedown', this.mousedown);
+			});
+		};
 
-		@mousedown = (e) ~>
-			e.prevent-default!
-			if (!contains @root, e.target) and (@root != e.target)
-				@close!
-			return false
+		this.close = () => {
+			this.update({
+				isOpen: false
+			});
+			document.querySelectorAll('body *').forEach(el => {
+				el.removeEventListener('mousedown', this.mousedown);
+			});
+		};
 
-		@drive = ~>
-			@close!
-			riot.mount document.body.append-child document.create-element \mk-drive-browser-window
+		this.mousedown = e => {
+			e.preventDefault();
+			if (!contains(this.root, e.target) && this.root != e.target) this.close();
+			return false;
+		};
 
-		@settings = ~>
-			@close!
-			riot.mount document.body.append-child document.create-element \mk-settings-window
+		this.drive = () => {
+			this.close();
+			riot.mount(document.body.appendChild(document.createElement('mk-drive-browser-window')));
+		};
+
+		this.settings = () => {
+			this.close();
+			riot.mount(document.body.appendChild(document.createElement('mk-settings-window')));
+		};
 
-		function contains(parent, child)
-			node = child.parent-node
-			while node?
-				if node == parent
-					return true
-				node = node.parent-node
-			return false
 	</script>
 </mk-ui-header-account>
diff --git a/src/web/app/desktop/tags/ui-header-clock.tag b/src/web/app/desktop/tags/ui-header-clock.tag
index 50536705bc..48b142509a 100644
--- a/src/web/app/desktop/tags/ui-header-clock.tag
+++ b/src/web/app/desktop/tags/ui-header-clock.tag
@@ -1,6 +1,10 @@
 <mk-ui-header-clock>
 	<div class="header">
-		<time ref="time"></time>
+		<time ref="time">
+			<span class="yyyymmdd">{ yyyy }/{ mm }/{ dd }</span>
+			<br>
+			<span class="hhnn">{ hh }<span style="visibility:{ now.getSeconds() % 2 == 0 ? 'visible' : 'hidden' }">:</span>{ nn }</span>
+		</time>
 	</div>
 	<div class="content">
 		<mk-analog-clock></mk-analog-clock>
@@ -13,7 +17,7 @@
 			> .header
 				padding 0 12px
 				text-align center
-				font-size 0.5em
+				font-size 10px
 
 				&, *
 					cursor: default
@@ -58,30 +62,24 @@
 
 	</style>
 	<script>
-		@draw = ~>
-			now = new Date!
+		this.now = new Date();
 
-			yyyy = now.get-full-year!
-			mm = (\0 + (now.get-month! + 1)).slice -2
-			dd = (\0 + now.get-date!).slice -2
-			yyyymmdd = "<span class='yyyymmdd'>#yyyy/#mm/#dd</span>"
+		this.draw = () => {
+			const now = this.now = new Date();
+			this.yyyy = now.getFullYear();
+			this.mm = ('0' + (now.getMonth() + 1)).slice(-2);
+			this.dd = ('0' + now.getDate()).slice(-2);
+			this.hh = ('0' + now.getHours()).slice(-2);
+			this.nn = ('0' + now.getMinutes()).slice(-2);
+		};
 
-			hh = (\0 + now.get-hours!).slice -2
-			mm = (\0 + now.get-minutes!).slice -2
-			hhmm = "<span class='hhmm'>#hh:#mm</span>"
+		this.on('mount', () => {
+			this.draw();
+			this.clock = setInterval(this.draw, 1000);
+		});
 
-			if now.get-seconds! % 2 == 0
-				hhmm .= replace \: '<span style=\'visibility:visible\'>:</span>'
-			else
-				hhmm .= replace \: '<span style=\'visibility:hidden\'>:</span>'
-
-			@refs.time.innerHTML = "#yyyymmdd<br>#hhmm"
-
-		@on \mount ~>
-			@draw!
-			@clock = set-interval @draw, 1000ms
-
-		@on \unmount ~>
-			clear-interval @clock
+		this.on('unmount', () => {
+			clearInterval(this.clock);
+		});
 	</script>
 </mk-ui-header-clock>
diff --git a/src/web/app/desktop/tags/ui-header-nav.tag b/src/web/app/desktop/tags/ui-header-nav.tag
index 707a9366e8..9be1edea8c 100644
--- a/src/web/app/desktop/tags/ui-header-nav.tag
+++ b/src/web/app/desktop/tags/ui-header-nav.tag
@@ -1,113 +1,139 @@
 <mk-ui-header-nav>
 	<ul if={ SIGNIN }>
-		<li class="home { active: page == 'home' }"><a href={ CONFIG.url }><i class="fa fa-home"></i>
-				<p>ホーム</p></a></li>
-		<li class="messaging"><a onclick={ messaging }><i class="fa fa-comments"></i>
-				<p>メッセージ</p><i class="fa fa-circle" if={ hasUnreadMessagingMessages }></i></a></li>
-		<li class="info"><a href="https://twitter.com/misskey_xyz" target="_blank"><i class="fa fa-info"></i>
-				<p>お知らせ</p></a></li>
-		<li class="tv"><a href="https://misskey.tk" target="_blank"><i class="fa fa-television"></i>
-				<p>MisskeyTV™</p></a></li>
-		<style>
-			:scope
+		<li class="home { active: page == 'home' }">
+			<a href={ CONFIG.url }>
+				<i class="fa fa-home"></i>
+				<p>ホーム</p>
+			</a>
+		</li>
+		<li class="messaging">
+			<a onclick={ messaging }>
+				<i class="fa fa-comments"></i>
+				<p>メッセージ</p>
+				<i class="fa fa-circle" if={ hasUnreadMessagingMessages }></i>
+			</a>
+		</li>
+		<li class="info">
+			<a href="https://twitter.com/misskey_xyz" target="_blank">
+				<i class="fa fa-info"></i>
+				<p>お知らせ</p>
+			</a>
+		</li>
+		<li class="tv">
+			<a href="https://misskey.tk" target="_blank">
+				<i class="fa fa-television"></i>
+				<p>MisskeyTV™</p>
+			</a>
+		</li>
+	</ul>
+	<style>
+		:scope
+			display inline-block
+			margin 0
+			padding 0
+			line-height 3rem
+			vertical-align top
+
+			> ul
 				display inline-block
 				margin 0
 				padding 0
-				line-height 3rem
 				vertical-align top
+				line-height 3rem
+				list-style none
 
-				> ul
+				> li
 					display inline-block
-					margin 0
-					padding 0
 					vertical-align top
-					line-height 3rem
-					list-style none
-
-					> li
-						display inline-block
-						vertical-align top
-						height 48px
-						line-height 48px
-
-						&.active
-							> a
-								border-bottom solid 3px $theme-color
+					height 48px
+					line-height 48px
 
+					&.active
 						> a
-							display inline-block
-							z-index 1
-							height 100%
-							padding 0 24px
-							font-size 1em
-							font-variant small-caps
-							color #9eaba8
+							border-bottom solid 3px $theme-color
+
+					> a
+						display inline-block
+						z-index 1
+						height 100%
+						padding 0 24px
+						font-size 1em
+						font-variant small-caps
+						color #9eaba8
+						text-decoration none
+						transition none
+						cursor pointer
+
+						*
+							pointer-events none
+
+						&:hover
+							color darken(#9eaba8, 20%)
 							text-decoration none
-							transition none
-							cursor pointer
 
-							*
-								pointer-events none
+						> i:first-child
+							margin-right 8px
 
-							&:hover
-								color darken(#9eaba8, 20%)
-								text-decoration none
+						> i:last-child
+							margin-left 5px
+							vertical-align super
+							font-size 10px
+							color $theme-color
 
-							> i:first-child
-								margin-right 8px
+							@media (max-width 1100px)
+								margin-left -5px
 
-							> i:last-child
-								margin-left 5px
-								vertical-align super
-								font-size 10px
-								color $theme-color
+						> p
+							display inline
+							margin 0
 
-								@media (max-width 1100px)
-									margin-left -5px
+							@media (max-width 1100px)
+								display none
 
-							> p
-								display inline
-								margin 0
+						@media (max-width 700px)
+							padding 0 12px
 
-								@media (max-width 1100px)
-									display none
+	</style>
+	<script>
+		this.mixin('i');
+		this.mixin('api');
+		this.mixin('stream');
 
-							@media (max-width 700px)
-								padding 0 12px
+		this.page = this.opts.page;
 
-		</style>
-		<script>
-			@mixin \i
-			@mixin \api
-			@mixin \stream
+		this.on('mount', () => {
+			this.stream.on('read_all_messaging_messages', this.onReadAllMessagingMessages);
+			this.stream.on('unread_messaging_message', this.onUnreadMessagingMessage);
 
-			@page = @opts.page
+			// Fetch count of unread messaging messages
+			this.api('messaging/unread').then(res => {
+				if (res.count > 0) {
+					this.update({
+						hasUnreadMessagingMessages: true
+					});
+				}
+			});
+		});
 
-			@on \mount ~>
-				@stream.on \read_all_messaging_messages @on-read-all-messaging-messages
-				@stream.on \unread_messaging_message @on-unread-messaging-message
+		this.on('unmount', () => {
+			this.stream.off('read_all_messaging_messages', this.onReadAllMessagingMessages);
+			this.stream.off('unread_messaging_message', this.onUnreadMessagingMessage);
+		});
 
-				# Fetch count of unread messaging messages
-				@api \messaging/unread
-				.then (count) ~>
-					if count.count > 0
-						@has-unread-messaging-messages = true
-						@update!
+		this.onReadAllMessagingMessages = () => {
+			this.update({
+				hasUnreadMessagingMessages: false
+			});
+		};
 
-			@on \unmount ~>
-				@stream.off \read_all_messaging_messages @on-read-all-messaging-messages
-				@stream.off \unread_messaging_message @on-unread-messaging-message
+		this.onUnreadMessagingMessage = () => {
+			this.update({
+				hasUnreadMessagingMessages: true
+			});
+		};
 
-			@on-read-all-messaging-messages = ~>
-				@has-unread-messaging-messages = false
-				@update!
-
-			@on-unread-messaging-message = ~>
-				@has-unread-messaging-messages = true
-				@update!
-
-			@messaging = ~>
-				riot.mount document.body.append-child document.create-element \mk-messaging-window
-		</script>
-	</ul>
+		this.messaging = () => {
+			riot.mount(document.body.appendChild(document.createElement('mk-messaging-window')));
+		};
+	</script>
 </mk-ui-header-nav>
diff --git a/src/web/app/desktop/tags/ui-header-notifications.tag b/src/web/app/desktop/tags/ui-header-notifications.tag
index 65330a14e3..05a9e6d772 100644
--- a/src/web/app/desktop/tags/ui-header-notifications.tag
+++ b/src/web/app/desktop/tags/ui-header-notifications.tag
@@ -75,40 +75,36 @@
 
 	</style>
 	<script>
-		@is-open = false
+		const contains = require('../../common/scripts/contains');
 
-		@toggle = ~>
-			if @is-open
-				@close!
-			else
-				@open!
+		this.isOpen = false;
 
-		@open = ~>
-			@is-open = true
-			@update!
-			all = document.query-selector-all 'body *'
-			Array.prototype.for-each.call all, (el) ~>
-				el.add-event-listener \mousedown @mousedown
+		this.toggle = () => {
+			this.isOpen ? this.close() : this.open();
+		};
 
-		@close = ~>
-			@is-open = false
-			@update!
-			all = document.query-selector-all 'body *'
-			Array.prototype.for-each.call all, (el) ~>
-				el.remove-event-listener \mousedown @mousedown
+		this.open = () => {
+			this.update({
+				isOpen: true
+			});
+			document.querySelectorAll('body *').forEach(el => {
+				el.addEventListener('mousedown', this.mousedown);
+			});
+		};
 
-		@mousedown = (e) ~>
-			e.prevent-default!
-			if (!contains @root, e.target) and (@root != e.target)
-				@close!
-			return false
+		this.close = () => {
+			this.update({
+				isOpen: false
+			});
+			document.querySelectorAll('body *').forEach(el => {
+				el.removeEventListener('mousedown', this.mousedown);
+			});
+		};
 
-		function contains(parent, child)
-			node = child.parent-node
-			while node?
-				if node == parent
-					return true
-				node = node.parent-node
-			return false
+		this.mousedown = e => {
+			e.preventDefault();
+			if (!contains(this.root, e.target) && this.root != e.target) this.close();
+			return false;
+		};
 	</script>
 </mk-ui-header-notifications>
diff --git a/src/web/app/desktop/tags/ui-header-post-button.tag b/src/web/app/desktop/tags/ui-header-post-button.tag
index 071af0a158..ca380b06ea 100644
--- a/src/web/app/desktop/tags/ui-header-post-button.tag
+++ b/src/web/app/desktop/tags/ui-header-post-button.tag
@@ -35,7 +35,8 @@
 
 	</style>
 	<script>
-		@post = (e) ~>
-			@parent.parent.open-post-form!
+		this.post = e => {
+			this.parent.parent.openPostForm();
+		};
 	</script>
 </mk-ui-header-post-button>
diff --git a/src/web/app/desktop/tags/ui-header-search.tag b/src/web/app/desktop/tags/ui-header-search.tag
index 10ebe1da98..ff1a313cec 100644
--- a/src/web/app/desktop/tags/ui-header-search.tag
+++ b/src/web/app/desktop/tags/ui-header-search.tag
@@ -32,10 +32,11 @@
 
 	</style>
 	<script>
-		@mixin \page
+		this.mixin('page');
 
-		@onsubmit = (e) ~>
-			e.prevent-default!
-			@page '/search:' + @refs.q.value
+		this.onsubmit = e => {
+			e.preventDefault();
+			this.page('/search:' + this.refs.q.value);
+		};
 	</script>
 </mk-ui-header-search>
diff --git a/src/web/app/desktop/tags/ui-header.tag b/src/web/app/desktop/tags/ui-header.tag
index 41b74181f9..4ab1789309 100644
--- a/src/web/app/desktop/tags/ui-header.tag
+++ b/src/web/app/desktop/tags/ui-header.tag
@@ -21,7 +21,7 @@
 	<style>
 		:scope
 			display block
-			position fixed
+			position sticky
 			top 0
 			z-index 1024
 			width 100%
@@ -80,6 +80,5 @@
 									display none
 
 	</style>
-
-	<script>@mixin \i</script>
+	<script>this.mixin('i');</script>
 </mk-ui-header>
diff --git a/src/web/app/desktop/tags/ui-notification.tag b/src/web/app/desktop/tags/ui-notification.tag
index 5f8583a391..34f310844e 100644
--- a/src/web/app/desktop/tags/ui-notification.tag
+++ b/src/web/app/desktop/tags/ui-notification.tag
@@ -22,23 +22,23 @@
 
 	</style>
 	<script>
-		@on \mount ~>
-			Velocity @root, {
-				top: \0px
-			} {
-				duration: 500ms
-				easing: \ease-out
-			}
+		this.on('mount', () => {
+			Velocity(this.root, {
+				top: '0px' 
+			}, {
+				duration: 500,
+				easing: 'ease-out' 
+			})
 
-			set-timeout ~>
-				Velocity @root, {
-					top: \-64px
-				} {
-					duration: 500ms
-					easing: \ease-out
-					complete: ~>
-						@unmount!
-				}
-			, 6000ms
+			setTimeout(() => {
+				Velocity(this.root, {
+					top: '-64px' 
+				}, {
+					duration: 500,
+					easing: 'ease-out',
+					complete: () => this.unmount()
+				});
+			}, 6000);
+		});
 	</script>
 </mk-ui-notification>
diff --git a/src/web/app/desktop/tags/ui.tag b/src/web/app/desktop/tags/ui.tag
index e40e5c88e2..0669d252af 100644
--- a/src/web/app/desktop/tags/ui.tag
+++ b/src/web/app/desktop/tags/ui.tag
@@ -9,29 +9,29 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \i
+		this.mixin('i');
 
-		@open-post-form = ~>
-			riot.mount document.body.append-child document.create-element \mk-post-form-window
+		this.openPostForm = () => {
+			riot.mount(document.body.appendChild(document.createElement('mk-post-form-window')));
+		};
 
-		@set-root-layout = ~>
-			@root.style.padding-top = @refs.header.root.client-height + \px
+		this.on('mount', () => {
+			document.addEventListener('keydown', this.onkeydown);
+		});
 
-		@on \mount ~>
-			@set-root-layout!
-			document.add-event-listener \keydown @onkeydown
+		this.on('unmount', () => {
+			document.removeEventListener('keydown', this.onkeydown);
+		});
 
-		@on \unmount ~>
-			document.remove-event-listener \keydown @onkeydown
+		this.onkeydown = e => {
+			if (e.target.tagName == 'input' || e.target.tagName == 'textarea') return;
 
-		@onkeydown = (e) ~>
-			tag = e.target.tag-name.to-lower-case!
-			if tag != \input and tag != \textarea
-				if e.which == 80 or e.which == 78 # p or n
-					e.prevent-default!
-					@open-post-form!
+			if (e.which == 80 || e.which == 78) { // p or n
+				e.preventDefault();
+				this.openPostForm();
+			}
+		};
 	</script>
 </mk-ui>
diff --git a/src/web/app/desktop/tags/user-followers-window.tag b/src/web/app/desktop/tags/user-followers-window.tag
index e70682c19a..a4a24d6673 100644
--- a/src/web/app/desktop/tags/user-followers-window.tag
+++ b/src/web/app/desktop/tags/user-followers-window.tag
@@ -15,5 +15,5 @@
 						border-radius 4px
 
 	</style>
-	<script>@user = @opts.user</script>
+	<script>this.user = this.opts.user</script>
 </mk-user-followers-window>
diff --git a/src/web/app/desktop/tags/user-followers.tag b/src/web/app/desktop/tags/user-followers.tag
index 14f20b831e..f43e87de8a 100644
--- a/src/web/app/desktop/tags/user-followers.tag
+++ b/src/web/app/desktop/tags/user-followers.tag
@@ -7,16 +7,17 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@user = @opts.user
+		this.user = this.opts.user;
 
-		@fetch = (iknow, limit, cursor, cb) ~>
-			@api \users/followers do
-				user_id: @user.id
-				iknow: iknow
-				limit: limit
-				cursor: if cursor? then cursor else undefined
-			.then cb
+		this.fetch = (iknow, limit, cursor, cb) => {
+			this.api('users/followers', {
+				user_id: this.user.id,
+				iknow: iknow,
+				limit: limit,
+				cursor: cursor ? cursor : undefined
+			}).then(cb);
+		};
 	</script>
 </mk-user-followers>
diff --git a/src/web/app/desktop/tags/user-following-window.tag b/src/web/app/desktop/tags/user-following-window.tag
index 4e25e8a3ca..6dbf3b05e9 100644
--- a/src/web/app/desktop/tags/user-following-window.tag
+++ b/src/web/app/desktop/tags/user-following-window.tag
@@ -15,5 +15,5 @@
 						border-radius 4px
 
 	</style>
-	<script>@user = @opts.user</script>
+	<script>this.user = this.opts.user</script>
 </mk-user-following-window>
diff --git a/src/web/app/desktop/tags/user-following.tag b/src/web/app/desktop/tags/user-following.tag
index e21d391d4d..f2d21b3fed 100644
--- a/src/web/app/desktop/tags/user-following.tag
+++ b/src/web/app/desktop/tags/user-following.tag
@@ -7,16 +7,17 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@user = @opts.user
+		this.user = this.opts.user;
 
-		@fetch = (iknow, limit, cursor, cb) ~>
-			@api \users/following do
-				user_id: @user.id
-				iknow: iknow
-				limit: limit
-				cursor: if cursor? then cursor else undefined
-			.then cb
+		this.fetch = (iknow, limit, cursor, cb) => {
+			this.api('users/following', {
+				user_id: this.user.id,
+				iknow: iknow,
+				limit: limit,
+				cursor: cursor ? cursor : undefined
+			}).then(cb);
+		};
 	</script>
 </mk-user-following>
diff --git a/src/web/app/desktop/tags/user-graphs.tag b/src/web/app/desktop/tags/user-graphs.tag
index 6d49c990ae..e673f7700b 100644
--- a/src/web/app/desktop/tags/user-graphs.tag
+++ b/src/web/app/desktop/tags/user-graphs.tag
@@ -34,7 +34,8 @@
 
 	</style>
 	<script>
-		@on \mount ~>
-			@trigger \loaded
+		this.on('mount', () => {
+			this.trigger('loaded');
+		});
 	</script>
 </mk-user-graphs>
diff --git a/src/web/app/desktop/tags/user-header.tag b/src/web/app/desktop/tags/user-header.tag
index d49b6498b5..c265357169 100644
--- a/src/web/app/desktop/tags/user-header.tag
+++ b/src/web/app/desktop/tags/user-header.tag
@@ -104,39 +104,42 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \update-banner
-		@mixin \NotImplementedException
+		this.mixin('i');
+		this.mixin('update-banner');
+		this.mixin('NotImplementedException');
 
-		@user = @opts.user
+		this.user = this.opts.user;
 
-		@on \mount ~>
-			window.add-event-listener \load @scroll
-			window.add-event-listener \scroll @scroll
-			window.add-event-listener \resize @scroll
+		this.on('mount', () => {
+			window.addEventListener('load', this.scroll);
+			window.addEventListener('scroll', this.scroll);
+			window.addEventListener('resize', this.scroll);
+		});
 
-		@on \unmount ~>
-			window.remove-event-listener \load @scroll
-			window.remove-event-listener \scroll @scroll
-			window.remove-event-listener \resize @scroll
+		this.on('unmount', () => {
+			window.removeEventListener('load', this.scroll);
+			window.removeEventListener('scroll', this.scroll);
+			window.removeEventListener('resize', this.scroll);
+		});
 
-		@scroll = ~>
-			top = window.scroll-y
-			height = 280px
+		this.scroll = () => {
+			const top = window.scrollY;
+			const height = 280/*px*/;
 
-			pos = 50 - ((top / height) * 50)
-			@refs.banner.style.background-position = 'center ' + pos + '%'
+			const pos = 50 - ((top / height) * 50);
+			this.refs.banner.style.backgroundPosition = `center ${pos}%`;
 
-			blur = top / 32
-			if blur <= 10
-				@refs.banner.style.filter = 'blur(' + blur + 'px)'
+			const blur = top / 32
+			if (blur <= 10) this.refs.banner.style.filter = `blur(${blur}px)`;
+		};
 
-		@on-update-banner = ~>
-			if not @SIGNIN or @I.id != @user.id
-				return
+		this.onUpdateBanner = () => {
+			if (!this.SIGNIN || this.I.id != this.user.id) return;
 
-			@update-banner @I, (i) ~>
-				@user.banner_url = i.banner_url
-				@update!
+			this.updateBanner(this.I, i => {
+				this.user.banner_url = i.banner_url;
+				this.update();
+			});
+		};
 	</script>
 </mk-user-header>
diff --git a/src/web/app/desktop/tags/user-home.tag b/src/web/app/desktop/tags/user-home.tag
index 50fe1cbfad..759a57581d 100644
--- a/src/web/app/desktop/tags/user-home.tag
+++ b/src/web/app/desktop/tags/user-home.tag
@@ -35,10 +35,12 @@
 
 	</style>
 	<script>
-		@user = @opts.user
+		this.user = this.opts.user;
 
-		@on \mount ~>
-			@refs.tl.on \loaded ~>
-				@trigger \loaded
+		this.on('mount', () => {
+			this.refs.tl.on('loaded', () => {
+				this.trigger('loaded');
+			});
+		});
 	</script>
 </mk-user-home>
diff --git a/src/web/app/desktop/tags/user-photos.tag b/src/web/app/desktop/tags/user-photos.tag
index 3d24422dea..86f12aceb9 100644
--- a/src/web/app/desktop/tags/user-photos.tag
+++ b/src/web/app/desktop/tags/user-photos.tag
@@ -57,30 +57,36 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \is-promise
+		this.mixin('api');
+		this.mixin('is-promise');
 
-		@images = []
-		@initializing = true
+		this.images = [];
+		this.initializing = true;
+		this.user = null;
+		this.userPromise = this.isPromise(this.opts.user)
+			? this.opts.user
+			: Promise.resolve(this.opts.user);
 
-		@user = null
-		@user-promise = if @is-promise @opts.user then @opts.user else Promise.resolve @opts.user
+		this.on('mount', () => {
+			this.userPromise.then(user => {
+				this.update({
+					user: user
+				});
 
-		@on \mount ~>
-			@user-promise.then (user) ~>
-				@user = user
-				@update!
-
-				@api \users/posts do
-					user_id: @user.id
-					with_media: true
-					limit: 9posts
-				.then (posts) ~>
-					@initializing = false
-					posts.for-each (post) ~>
-						post.media.for-each (image) ~>
-							if @images.length < 9
-								@images.push image
-					@update!
+				this.api('users/posts', {
+					user_id: this.user.id,
+					with_media: true,
+					limit: 9
+				}).then(posts => {
+					this.initializing = false;
+					posts.forEach(post => {
+						post.media.forEach(media => {
+							if (this.images.length < 9) this.images.push(media);
+						});
+					});
+					this.update();
+				});
+			});
+		});
 	</script>
 </mk-user-photos>
diff --git a/src/web/app/desktop/tags/user-preview.tag b/src/web/app/desktop/tags/user-preview.tag
index 7d140c0957..f9806534e2 100644
--- a/src/web/app/desktop/tags/user-preview.tag
+++ b/src/web/app/desktop/tags/user-preview.tag
@@ -97,47 +97,50 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \api
+		this.mixin('i');
+		this.mixin('api');
 
-		@u = @opts.user
-		@user = null
-		@user-promise =
-			if typeof @u == \string
-				new Promise (resolve, reject) ~>
-					@api \users/show do
-						user_id: if @u.0 == \@ then undefined else @u
-						username: if @u.0 == \@ then @u.substr 1 else undefined
-					.then (user) ~>
-						resolve user
-			else
-				Promise.resolve @u
+		this.u = this.opts.user;
+		this.user = null;
+		this.userPromise =
+			typeof this.u == 'string' ?
+				new Promise((resolve, reject) => {
+					this.api('users/show', {
+						user_id: this.u[0] == '@' ? undefined : this.u,
+						username: this.u[0] == '@' ? this.u.substr(1) : undefined
+					}).then(resolve);
+				})
+			: Promise.resolve(this.u);
 
-		@on \mount ~>
-			@user-promise.then (user) ~>
-				@user = user
-				@update!
+		this.on('mount', () => {
+			this.userPromise.then(user => {
+				this.update({
+					user: user
+				});
+			});
 
-			Velocity @root, {
-				opacity: 0
-				'margin-top': \-8px
-			} 0ms
-			Velocity @root, {
-				opacity: 1
+			Velocity(this.root, {
+				opacity: 0,
+				'margin-top': '-8px'
+			}, 0);
+			Velocity(this.root, {
+				opacity: 1,
 				'margin-top': 0
-			} {
-				duration: 200ms
-				easing: \ease-out
-			}
+			}, {
+				duration: 200,
+				easing: 'ease-out'
+			});
+		});
 
-		@close = ~>
-			Velocity @root, {
-				opacity: 0
-				'margin-top': \-8px
-			} {
-				duration: 200ms
-				easing: \ease-out
-				complete: ~> @unmount!
-			}
+		this.close = () => {
+			Velocity(this.root, {
+				opacity: 0,
+				'margin-top': '-8px'
+			}, {
+				duration: 200,
+				easing: 'ease-out',
+				complete: () => this.unmount()
+			});
+		};
 	</script>
 </mk-user-preview>
diff --git a/src/web/app/desktop/tags/user-profile.tag b/src/web/app/desktop/tags/user-profile.tag
index d8984e971d..03697fd5f3 100644
--- a/src/web/app/desktop/tags/user-profile.tag
+++ b/src/web/app/desktop/tags/user-profile.tag
@@ -80,20 +80,22 @@
 
 	</style>
 	<script>
-		@age = require \s-age
+		this.age = require('s-age'); 
 
-		@mixin \i
+		this.mixin('i');
 
-		@user = @opts.user
+		this.user = this.opts.user;
 
-		@show-following = ~>
-			window = document.body.append-child document.create-element \mk-user-following-window
-			riot.mount window, do
-				user: @user
+		this.showFollowing = () => {
+ 			riot.mount(document.body.appendChild(document.createElement('mk-user-following-window')), {
+				user: this.user
+			});
+		};
 
-		@show-followers = ~>
-			window = document.body.append-child document.create-element \mk-user-followers-window
-			riot.mount window, do
-				user: @user
+		this.showFollowers = () => {
+ 			riot.mount(document.body.appendChild(document.createElement('mk-user-followers-window')), {
+				user: this.user
+			});
+		};
 	</script>
 </mk-user-profile>
diff --git a/src/web/app/desktop/tags/user-timeline.tag b/src/web/app/desktop/tags/user-timeline.tag
index b0ed542a43..4851eb0a18 100644
--- a/src/web/app/desktop/tags/user-timeline.tag
+++ b/src/web/app/desktop/tags/user-timeline.tag
@@ -46,93 +46,89 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \is-promise
-		@mixin \get-post-summary
+		this.mixin('api');
+		this.mixin('is-promise');
+		this.mixin('get-post-summary');
 
-		@user = null
-		@user-promise = if @is-promise @opts.user then @opts.user else Promise.resolve @opts.user
-		@is-loading = true
-		@is-empty = false
-		@more-loading = false
-		@unread-count = 0
-		@mode = \default
+		this.user = null;
+		this.userPromise = this.isPromise(this.opts.user)
+			? this.opts.user
+			: Promise.resolve(this.opts.user);
+		this.isLoading = true;
+		this.isEmpty = false;
+		this.moreLoading = false;
+		this.unreadCount = 0;
+		this.mode = 'default';
 
-		@on \mount ~>
-			document.add-event-listener \visibilitychange @window-on-visibilitychange, false
-			document.add-event-listener \keydown @on-document-keydown
-			window.add-event-listener \scroll @on-scroll
+		this.on('mount', () => {
+			document.addEventListener('keydown', this.onDocumentKeydown);
+			window.addEventListener('scroll', this.onScroll);
 
-			@user-promise.then (user) ~>
-				@user = user
-				@update!
+			this.userPromise.then(user => {
+				this.update({
+					user: user
+				});
 
-				@fetch ~>
-					@trigger \loaded
+				this.fetch(() => this.trigger('loaded'));
+			});
+		});
 
-		@on \unmount ~>
-			document.remove-event-listener \visibilitychange @window-on-visibilitychange
-			document.remove-event-listener \keydown @on-document-keydown
-			window.remove-event-listener \scroll @on-scroll
+		this.on('unmount', () => {
+			document.removeEventListener('keydown', this.onDocumentKeydown);
+			window.removeEventListener('scroll', this.onScroll);
+		});
 
-		@on-document-keydown = (e) ~>
-			tag = e.target.tag-name.to-lower-case!
-			if tag != \input and tag != \textarea
-				if e.which == 84 # t
-					@refs.timeline.focus!
+		this.onDocumentKeydown = e => {
+			if (e.target.tagName !== 'INPUT' && e.target.tagName !== 'TEXTAREA') {
+				if (e.which == 84) { // [t]
+					this.refs.timeline.focus();
+				}
+			}
+		};
 
-		@fetch = (cb) ~>
-			@api \users/posts do
-				user_id: @user.id
-				with_replies: @mode == \with-replies
-			.then (posts) ~>
-				@is-loading = false
-				@is-empty = posts.length == 0
-				@update!
-				@refs.timeline.set-posts posts
-				if cb? then cb!
-			.catch (err) ~>
-				console.error err
-				if cb? then cb!
+		this.fetch = cb => {
+			this.api('users/posts', {
+				user_id: this.user.id,
+				with_replies: this.mode == 'with-replies'
+			}).then(posts => {
+				this.update({
+					isLoading: false,
+					isEmpty: posts.length == 0
+				});
+				this.refs.timeline.setPosts(posts);
+				if (cb) cb();
+			});
+		};
 
-		@more = ~>
-			if @more-loading or @is-loading or @refs.timeline.posts.length == 0
-				return
-			@more-loading = true
-			@update!
-			@api \users/posts do
-				user_id: @user.id
-				with_replies: @mode == \with-replies
-				max_id: @refs.timeline.tail!.id
-			.then (posts) ~>
-				@more-loading = false
-				@update!
-				@refs.timeline.prepend-posts posts
-			.catch (err) ~>
-				console.error err
+		this.more = () => {
+			if (this.moreLoading || this.isLoading || this.refs.timeline.posts.length == 0) return;
+			this.update({
+				moreLoading: true
+			});
+			this.api('users/posts', {
+				user_id: this.user.id,
+				with_replies: this.mode == 'with-replies',
+				max_id: this.refs.timeline.tail().id
+			}).then(posts => {
+				this.update({
+					moreLoading: false
+				});
+				this.refs.timeline.prependPosts(posts);
+			});
+		};
 
-		@on-stream-post = (post) ~>
-			@is-empty = false
-			@update!
-			@refs.timeline.add-post post
+		this.onScroll = () => {
+			const current = window.scrollY + window.innerHeight;
+			if (current > document.body.offsetHeight - 16/*遊び*/) {
+				this.more();
+			}
+		};
 
-			if document.hidden
-				@unread-count++
-				document.title = '(' + @unread-count + ') ' + @get-post-summary post
-
-		@window-on-visibilitychange = ~>
-			if !document.hidden
-				@unread-count = 0
-				document.title = 'Misskey'
-
-		@on-scroll = ~>
-			current = window.scroll-y + window.inner-height
-			if current > document.body.offset-height - 16 # 遊び
-				@more!
-
-		@set-mode = (mode) ~>
-			@update do
+		this.setMode = mode => {
+			this.update({
 				mode: mode
-			@fetch!
+			});
+			this.fetch();
+		};
 	</script>
 </mk-user-timeline>
diff --git a/src/web/app/desktop/tags/user.tag b/src/web/app/desktop/tags/user.tag
index 24f2e958a3..c128736183 100644
--- a/src/web/app/desktop/tags/user.tag
+++ b/src/web/app/desktop/tags/user.tag
@@ -32,20 +32,23 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@username = @opts.user
-		@page = if @opts.page? then @opts.page else \home
-		@fetching = true
-		@user = null
+		this.username = this.opts.user;
+		this.page = this.opts.page ? this.opts.page : 'home';
+		this.fetching = true;
+		this.user = null;
 
-		@on \mount ~>
-			@api \users/show do
-				username: @username
-			.then (user) ~>
-				@fetching = false
-				@user = user
-				@update!
-				@trigger \loaded
+		this.on('mount', () => {
+			this.api('users/show', {
+				username: this.username
+			}).then(user => {
+				this.update({
+					fetching: false,
+					user: user
+				});
+				this.trigger('loaded');
+			});
+		});
 	</script>
 </mk-user>
diff --git a/src/web/app/desktop/tags/users-list.tag b/src/web/app/desktop/tags/users-list.tag
index 51edd2ee30..c94d0e228d 100644
--- a/src/web/app/desktop/tags/users-list.tag
+++ b/src/web/app/desktop/tags/users-list.tag
@@ -1,7 +1,9 @@
 <mk-users-list>
 	<nav>
-		<div><span data-is-active={ mode == 'all' } onclick={ setMode.bind(this, 'all') }>すべて<span>{ opts.count }</span></span>
-			<!-- ↓ https://github.com/riot/riot/issues/2080--><span if={ SIGNIN && opts.youKnowCount != '' } data-is-active={ mode == 'iknow' } onclick={ setMode.bind(this, 'iknow') }>知り合い<span>{ opts.youKnowCount }</span></span>
+		<div>
+			<span data-is-active={ mode == 'all' } onclick={ setMode.bind(this, 'all') }>すべて<span>{ opts.count }</span></span>
+			<!-- ↓ https://github.com/riot/riot/issues/2080-->
+			<span if={ SIGNIN && opts.youKnowCount != '' } data-is-active={ mode == 'iknow' } onclick={ setMode.bind(this, 'iknow') }>知り合い<span>{ opts.youKnowCount }</span></span>
 		</div>
 	</nav>
 	<div class="users" if={ !fetching && users.length != 0 }>
@@ -9,8 +11,10 @@
 			<mk-list-user user={ this }></mk-list-user>
 		</div>
 	</div>
-	<button class="more" if={ !fetching && next != null } onclick={ more } disabled={ moreFetching }><span if={ !moreFetching }>もっと</span><span if={ moreFetching }>読み込み中
-			<mk-ellipsis></mk-ellipsis></span></button>
+	<button class="more" if={ !fetching && next != null } onclick={ more } disabled={ moreFetching }>
+		<span if={ !moreFetching }>もっと</span>
+		<span if={ moreFetching }>読み込み中<mk-ellipsis></mk-ellipsis></span>
+	</button>
 	<p class="no" if={ !fetching && users.length == 0 }>{ opts.noUsers }</p>
 	<p class="fetching" if={ fetching }><i class="fa fa-spinner fa-pulse fa-fw"></i>読み込んでいます
 		<mk-ellipsis></mk-ellipsis>
@@ -88,47 +92,50 @@
 
 	</style>
 	<script>
-		@mixin \i
+		this.mixin('i');
 
-		@limit = 30users
-		@mode = \all
+		this.limit = 30;
+		this.mode = 'all';
 
-		@fetching = true
-		@more-fetching = false
+		this.fetching = true;
+		this.moreFetching = false;
 
-		@on \mount ~>
-			@fetch ~>
-				@trigger \loaded
+		this.on('mount', () => {
+			this.fetch(() => this.trigger('loaded'));
+		});
 
-		@fetch = (cb) ~>
-			@fetching = true
-			@update!
-			obj <~ @opts.fetch do
-				@mode == \iknow
-				@limit
-				null
-			@users = obj.users
-			@next = obj.next
-			@fetching = false
-			@update!
-			if cb? then cb!
+		this.fetch = cb => {
+			this.update({
+				fetching: true
+			});
+			this.opts.fetch(this.mode == 'iknow', this.limit, null, obj => {
+				this.update({
+					fetching: false,
+					users: obj.users,
+					next: obj.next
+				});
+				if (cb) cb();
+			});
+		};
 
-		@more = ~>
-			@more-fetching = true
-			@update!
-			obj <~ @opts.fetch do
-				@mode == \iknow
-				@limit
-				@cursor
-			@users = @users.concat obj.users
-			@next = obj.next
-			@more-fetching = false
-			@update!
+		this.more = () => {
+			this.update({
+				moreFetching: true
+			});
+			this.opts.fetch(this.mode == 'iknow', this.limit, this.cursor, obj => {
+				this.update({
+					moreFetching: false,
+					users: this.users.concat(obj.users),
+					next: obj.next
+				});
+			});
+		};
 
-		@set-mode = (mode) ~>
-			@update do
+		this.setMode = mode => {
+			this.update({
 				mode: mode
-
-			@fetch!
+			});
+			this.fetch();
+		};
 	</script>
 </mk-users-list>
diff --git a/src/web/app/desktop/tags/window.tag b/src/web/app/desktop/tags/window.tag
index 323c294c2c..3e7da90769 100644
--- a/src/web/app/desktop/tags/window.tag
+++ b/src/web/app/desktop/tags/window.tag
@@ -192,328 +192,354 @@
 
 	</style>
 	<script>
-		@min-height = 40px
-		@min-width = 200px
+		const contains = require('../../common/scripts/contains');
 
-		@is-modal = if @opts.is-modal? then @opts.is-modal else false
-		@can-close = if @opts.can-close? then @opts.can-close else true
-		@is-flexible = !@opts.height?
-		@can-resize = not @is-flexible
+		this.minHeight = 40;
+		this.minWidth = 200;
 
-		@on \mount ~>
-			@refs.main.style.width = @opts.width || \530px
-			@refs.main.style.height = @opts.height || \auto
+		this.isModal = this.opts.isModal != null ? this.opts.isModal : false;
+		this.canClose = this.opts.canClose != null ? this.opts.canClose : true;
+		this.isFlexible = this.opts.height == null;
+		this.canResize = !this.isFlexible;
 
-			@refs.main.style.top = \15%
-			@refs.main.style.left = (window.inner-width / 2) - (@refs.main.offset-width / 2) + \px
+		this.on('mount', () => {
+			this.refs.main.style.width = this.opts.width || '530px';
+			this.refs.main.style.height = this.opts.height || 'auto';
 
-			@refs.header.add-event-listener \contextmenu (e) ~>
-				e.prevent-default!
+			this.refs.main.style.top = '15%';
+			this.refs.main.style.left = (window.innerWidth / 2) - (this.refs.main.offsetWidth / 2) + 'px';
 
-			window.add-event-listener \resize @on-browser-resize
+			this.refs.header.addEventListener('contextmenu', e => {
+				e.preventDefault();
+			});
 
-			@open!
+			window.addEventListener('resize', this.onBrowserResize);
 
-		@on \unmount ~>
-			window.remove-event-listener \resize @on-browser-resize
+			this.open();
+		});
 
-		@on-browser-resize = ~>
-			position = @refs.main.get-bounding-client-rect!
-			browser-width = window.inner-width
-			browser-height = window.inner-height
-			window-width = @refs.main.offset-width
-			window-height = @refs.main.offset-height
+		this.on('unmount', () => {
+			window.removeEventListener('resize', this.onBrowserResize);
+		});
 
-			if position.left < 0
-				@refs.main.style.left = 0
+		this.onBrowserResize = () => {
+			const position = this.refs.main.getBoundingClientRect();
+			const browserWidth = window.innerWidth;
+			const browserHeight = window.innerHeight;
+			const windowWidth = this.refs.main.offsetWidth;
+			const windowHeight = this.refs.main.offsetHeight;
+			if (position.left < 0) this.refs.main.style.left = 0;
+			if (position.top < 0) this.refs.main.style.top = 0;
+			if (position.left + windowWidth > browserWidth) this.refs.main.style.left = browserWidth - windowWidth + 'px';
+			if (position.top + windowHeight > browserHeight) this.refs.main.style.top = browserHeight - windowHeight + 'px';
+		};
 
-			if position.top < 0
-				@refs.main.style.top = 0
+		this.open = () => {
+			this.trigger('opening');
 
-			if position.left + window-width > browser-width
-				@refs.main.style.left = browser-width - window-width + \px
+			this.top();
 
-			if position.top + window-height > browser-height
-				@refs.main.style.top = browser-height - window-height + \px
-
-		@open = ~>
-			@trigger \opening
-
-			@top!
-
-			if @is-modal
-				@refs.bg.style.pointer-events = \auto
-				Velocity @refs.bg, \finish true
-				Velocity @refs.bg, {
+			if (this.isModal) {
+				this.refs.bg.style.pointerEvents = 'auto';
+				Velocity(this.refs.bg, 'finish', true);
+				Velocity(this.refs.bg, {
 					opacity: 1
-				} {
-					queue: false
-					duration: 100ms
-					easing: \linear
-				}
+				}, {
+					queue: false,
+					duration: 100,
+					easing: 'linear'
+				});
+			}
 
-			@refs.main.style.pointer-events = \auto
-			Velocity @refs.main, \finish true
-			Velocity @refs.main, {scale: 1.1} 0ms
-			Velocity @refs.main, {
-				opacity: 1
+			this.refs.main.style.pointerEvents = 'auto';
+			Velocity(this.refs.main, 'finish', true);
+			Velocity(this.refs.main, { scale: 1.1 }, 0);
+			Velocity(this.refs.main, {
+				opacity: 1,
 				scale: 1
-			} {
-				queue: false
-				duration: 200ms
-				easing: \ease-out
-			}
+			}, {
+				queue: false,
+				duration: 200,
+				easing: 'ease-out'
+			});
 
-			#@refs.main.focus!
+			//this.refs.main.focus();
 
-			set-timeout ~>
-				@trigger \opened
-			, 300ms
+			setTimeout(() => {
+				this.trigger('opened');
+			}, 300);
+		};
 
-		@close = ~>
-			@trigger \closing
+		this.close = () => {
+			this.trigger('closing');
 
-			if @is-modal
-				@refs.bg.style.pointer-events = \none
-				Velocity @refs.bg, \finish true
-				Velocity @refs.bg, {
+			if (this.isModal) {
+				this.refs.bg.style.pointerEvents = 'none';
+				Velocity(this.refs.bg, 'finish', true);
+				Velocity(this.refs.bg, {
 					opacity: 0
-				} {
-					queue: false
-					duration: 300ms
-					easing: \linear
-				}
-
-			@refs.main.style.pointer-events = \none
-			Velocity @refs.main, \finish true
-			Velocity @refs.main, {
-				opacity: 0
-				scale: 0.8
-			} {
-				queue: false
-				duration: 300ms
-				easing: [ 0.5, -0.5, 1, 0.5 ]
+				}, {
+					queue: false,
+					duration: 300,
+					easing: 'linear'
+				});
 			}
 
-			set-timeout ~>
-				@trigger \closed
-			, 300ms
+			this.refs.main.style.pointerEvents = 'none';
+			Velocity(this.refs.main, 'finish', true);
+			Velocity(this.refs.main, {
+				opacity: 0,
+				scale: 0.8
+			}, {
+				queue: false,
+				duration: 300,
+				easing: [ 0.5, -0.5, 1, 0.5 ]
+			});
 
-		# 最前面へ移動します
-		@top = ~>
-			z = 0
+			setTimeout(() => {
+				this.trigger('closed');
+			}, 300);
+		};
 
-			ws = document.query-selector-all \mk-window
-			ws.for-each (w) !~>
-				if w == @root then return
-				m = w.query-selector ':scope > .main'
-				mz = Number(document.default-view.get-computed-style m, null .z-index)
-				if mz > z then z := mz
+		// 最前面へ移動します
+		this.top = () => {
+			let z = 0;
 
-			if z > 0
-				@refs.main.style.z-index = z + 1
-				if @is-modal then @refs.bg.style.z-index = z + 1
+			const ws = document.querySelectorAll('mk-window');
+			ws.forEach(w => {
+				if (w == this.root) return;
+				const m = w.querySelector(':scope > .main');
+				const mz = Number(document.defaultView.getComputedStyle(m, null).zIndex);
+				if (mz > z) z = mz;
+			});
 
-		@repel-move = (e) ~>
-			e.stop-propagation!
-			return true
+			if (z > 0) {
+				this.refs.main.style.zIndex = z + 1;
+				if (this.isModal) this.refs.bg.style.zIndex = z + 1;
+			}
+		};
 
-		@bg-click = ~>
-			if @can-close
-				@close!
+		this.repelMove = e => {
+			e.stopPropagation();
+			return true;
+		};
 
-		@on-body-mousedown = (e) ~>
-			@top!
-			true
+		this.bgClick = () => {
+			if (this.canClose) this.close();
+		};
 
-		# ヘッダー掴み時
-		@on-header-mousedown = (e) ~>
-			e.prevent-default!
+		this.onBodyMousedown = () => {
+			this.top();
+		};
 
-			if not contains @refs.main, document.active-element
-				@refs.main.focus!
+		// ヘッダー掴み時
+		this.onHeaderMousedown = e => {
+			e.preventDefault();
 
-			position = @refs.main.get-bounding-client-rect!
+			if (!contains(this.refs.main, document.activeElement)) this.refs.main.focus();
 
-			click-x = e.client-x
-			click-y = e.client-y
-			move-base-x = click-x - position.left
-			move-base-y = click-y - position.top
-			browser-width = window.inner-width
-			browser-height = window.inner-height
-			window-width = @refs.main.offset-width
-			window-height = @refs.main.offset-height
+			const position = this.refs.main.getBoundingClientRect();
 
-			# 動かした時
-			drag-listen (me) ~>
-				move-left = me.client-x - move-base-x
-				move-top = me.client-y - move-base-y
+			const clickX = e.clientX;
+			const clickY = e.clientY;
+			const moveBaseX = clickX - position.left;
+			const moveBaseY = clickY - position.top;
+			const browserWidth = window.innerWidth;
+			const browserHeight = window.innerHeight;
+			const windowWidth = this.refs.main.offsetWidth;
+			const windowHeight = this.refs.main.offsetHeight;
 
-				# 上はみ出し
-				if move-top < 0
-					move-top = 0
+			// 動かした時
+			dragListen(me => {
+				let moveLeft = me.clientX - moveBaseX;
+				let moveTop = me.clientY - moveBaseY;
 
-				# 左はみ出し
-				if move-left < 0
-					move-left = 0
+				// 上はみ出し
+				if (moveTop < 0) moveTop = 0;
 
-				# 下はみ出し
-				if move-top + window-height > browser-height
-					move-top = browser-height - window-height
+				// 左はみ出し
+				if (moveLeft < 0) moveLeft = 0;
 
-				# 右はみ出し
-				if move-left + window-width > browser-width
-					move-left = browser-width - window-width
+				// 下はみ出し
+				if (moveTop + windowHeight > browserHeight) moveTop = browserHeight - windowHeight;
 
-				@refs.main.style.left = move-left + \px
-				@refs.main.style.top = move-top + \px
+				// 右はみ出し
+				if (moveLeft + windowWidth > browserWidth) moveLeft = browserWidth - windowWidth;
 
-		# 上ハンドル掴み時
-		@on-top-handle-mousedown = (e) ~>
-			e.prevent-default!
+				this.refs.main.style.left = moveLeft + 'px';
+				this.refs.main.style.top = moveTop + 'px';
+			});
+		};
 
-			base = e.client-y
-			height = parse-int((get-computed-style @refs.main, '').height, 10)
-			top = parse-int((get-computed-style @refs.main, '').top, 10)
+		// 上ハンドル掴み時
+		this.onTopHandleMousedown = e => {
+			e.preventDefault();
 
-			# 動かした時
-			drag-listen (me) ~>
-				move = me.client-y - base
-				if top + move > 0
-					if height + -move > @min-height
-						@apply-transform-height height + -move
-						@apply-transform-top top + move
-					else # 最小の高さより小さくなろうとした時
-						@apply-transform-height @min-height
-						@apply-transform-top top + (height - @min-height)
-				else # 上のはみ出し時
-					@apply-transform-height top + height
-					@apply-transform-top 0
+			const base = e.clientY;
+			const height = parseInt(getComputedStyle(this.refs.main, '').height, 10);
+			const top = parseInt(getComputedStyle(this.refs.main, '').top, 10);
 
-		# 右ハンドル掴み時
-		@on-right-handle-mousedown = (e) ~>
-			e.prevent-default!
+			// 動かした時
+			dragListen(me => {
+				const move = me.clientY - base;
+				if (top + move > 0) {
+					if (height + -move > this.minHeight) {
+						this.applyTransformHeight(height + -move);
+						this.applyTransformTop(top + move);
+					} else { // 最小の高さより小さくなろうとした時
+						this.applyTransformHeight(this.minHeight);
+						this.applyTransformTop(top + (height - this.minHeight));
+					}
+				} else { // 上のはみ出し時
+					this.applyTransformHeight(top + height);
+					this.applyTransformTop(0);
+				}
+			});
+		};
 
-			base = e.client-x
-			width = parse-int((get-computed-style @refs.main, '').width, 10)
-			left = parse-int((get-computed-style @refs.main, '').left, 10)
-			browser-width = window.inner-width
+		// 右ハンドル掴み時
+		this.onRightHandleMousedown = e => {
+			e.preventDefault();
 
-			# 動かした時
-			drag-listen (me) ~>
-				move = me.client-x - base
-				if left + width + move < browser-width
-					if width + move > @min-width
-						@apply-transform-width width + move
-					else # 最小の幅より小さくなろうとした時
-						@apply-transform-width @min-width
-				else # 右のはみ出し時
-					@apply-transform-width browser-width - left
+			const base = e.clientX;
+			const width = parseInt(getComputedStyle(this.refs.main, '').width, 10);
+			const left = parseInt(getComputedStyle(this.refs.main, '').left, 10);
+			const browserWidth = window.innerWidth;
 
-		# 下ハンドル掴み時
-		@on-bottom-handle-mousedown = (e) ~>
-			e.prevent-default!
+			// 動かした時
+			dragListen(me => {
+				const move = me.clientX - base;
+				if (left + width + move < browserWidth) {
+					if (width + move > this.minWidth) {
+						this.applyTransformWidth(width + move);
+					} else { // 最小の幅より小さくなろうとした時
+						this.applyTransformWidth(this.minWidth);
+					}
+				} else { // 右のはみ出し時
+					this.applyTransformWidth(browserWidth - left);
+				}
+			});
+		};
 
-			base = e.client-y
-			height = parse-int((get-computed-style @refs.main, '').height, 10)
-			top = parse-int((get-computed-style @refs.main, '').top, 10)
-			browser-height = window.inner-height
+		// 下ハンドル掴み時
+		this.onBottomHandleMousedown = e => {
+			e.preventDefault();
 
-			# 動かした時
-			drag-listen (me) ~>
-				move = me.client-y - base
-				if top + height + move < browser-height
-					if height + move > @min-height
-						@apply-transform-height height + move
-					else # 最小の高さより小さくなろうとした時
-						@apply-transform-height @min-height
-				else # 下のはみ出し時
-					@apply-transform-height browser-height - top
+			const base = e.clientY;
+			const height = parseInt(getComputedStyle(this.refs.main, '').height, 10);
+			const top = parseInt(getComputedStyle(this.refs.main, '').top, 10);
+			const browserHeight = window.innerHeight;
 
-		# 左ハンドル掴み時
-		@on-left-handle-mousedown = (e) ~>
-			e.prevent-default!
+			// 動かした時
+			dragListen(me => {
+				const move = me.clientY - base;
+				if (top + height + move < browserHeight) {
+					if (height + move > this.minHeight) {
+						this.applyTransformHeight(height + move);
+					} else { // 最小の高さより小さくなろうとした時
+						this.applyTransformHeight(this.minHeight);
+					}
+				} else { // 下のはみ出し時
+					this.applyTransformHeight(browserHeight - top);
+				}
+			});
+		};
 
-			base = e.client-x
-			width = parse-int((get-computed-style @refs.main, '').width, 10)
-			left = parse-int((get-computed-style @refs.main, '').left, 10)
+		// 左ハンドル掴み時
+		this.onLeftHandleMousedown = e => {
+			e.preventDefault();
 
-			# 動かした時
-			drag-listen (me) ~>
-				move = me.client-x - base
-				if left + move > 0
-					if width + -move > @min-width
-						@apply-transform-width width + -move
-						@apply-transform-left left + move
-					else # 最小の幅より小さくなろうとした時
-						@apply-transform-width @min-width
-						@apply-transform-left left + (width - @min-width)
-				else # 左のはみ出し時
-					@apply-transform-width left + width
-					@apply-transform-left 0
+			const base = e.clientX;
+			const width = parseInt(getComputedStyle(this.refs.main, '').width, 10);
+			const left = parseInt(getComputedStyle(this.refs.main, '').left, 10);
 
-		# 左上ハンドル掴み時
-		@on-top-left-handle-mousedown = (e) ~>
-			@on-top-handle-mousedown e
-			@on-left-handle-mousedown e
+			// 動かした時
+			dragListen(me => {
+				const move = me.clientX - base;
+				if (left + move > 0) {
+					if (width + -move > this.minWidth) {
+						this.applyTransformWidth(width + -move);
+						this.applyTransformLeft(left + move);
+					} else { // 最小の幅より小さくなろうとした時
+						this.applyTransformWidth(this.minWidth);
+						this.applyTransformLeft(left + (width - this.minWidth));
+					}
+				} else { // 左のはみ出し時
+					this.applyTransformWidth(left + width);
+					this.applyTransformLeft(0);
+				}
+			});
+		};
 
-		# 右上ハンドル掴み時
-		@on-top-right-handle-mousedown = (e) ~>
-			@on-top-handle-mousedown e
-			@on-right-handle-mousedown e
+		// 左上ハンドル掴み時
+		this.onTopLeftHandleMousedown = e => {
+			this.onTopHandleMousedown(e);
+			this.onLeftHandleMousedown(e);
+		};
 
-		# 右下ハンドル掴み時
-		@on-bottom-right-handle-mousedown = (e) ~>
-			@on-bottom-handle-mousedown e
-			@on-right-handle-mousedown e
+		// 右上ハンドル掴み時
+		this.onTopRightHandleMousedown = e => {
+			this.onTopHandleMousedown(e);
+			this.onRightHandleMousedown(e);
+		};
 
-		# 左下ハンドル掴み時
-		@on-bottom-left-handle-mousedown = (e) ~>
-			@on-bottom-handle-mousedown e
-			@on-left-handle-mousedown e
+		// 右下ハンドル掴み時
+		this.onBottomRightHandleMousedown = e => {
+			this.onBottomHandleMousedown(e);
+			this.onRightHandleMousedown(e);
+		};
 
-		# 高さを適用
-		@apply-transform-height = (height) ~>
-			@refs.main.style.height = height + \px
+		// 左下ハンドル掴み時
+		this.onBottomLeftHandleMousedown = e => {
+			this.onBottomHandleMousedown(e);
+			this.onLeftHandleMousedown(e);
+		};
 
-		# 幅を適用
-		@apply-transform-width = (width) ~>
-			@refs.main.style.width = width + \px
+		// 高さを適用
+		this.applyTransformHeight = height => {
+			this.refs.main.style.height = height + 'px';
+		};
 
-		# Y座標を適用
-		@apply-transform-top = (top) ~>
-			@refs.main.style.top = top + \px
+		// 幅を適用
+		this.applyTransformWidth = width => {
+			this.refs.main.style.width = width + 'px';
+		};
 
-		# X座標を適用
-		@apply-transform-left = (left) ~>
-			@refs.main.style.left = left + \px
+		// Y座標を適用
+		this.applyTransformTop = top => {
+			this.refs.main.style.top = top + 'px';
+		};
 
-		function drag-listen fn
-			window.add-event-listener \mousemove  fn
-			window.add-event-listener \mouseleave drag-clear.bind null fn
-			window.add-event-listener \mouseup    drag-clear.bind null fn
+		// X座標を適用
+		this.applyTransformLeft = left => {
+			this.refs.main.style.left = left + 'px';
+		};
 
-		function drag-clear fn
-			window.remove-event-listener \mousemove  fn
-			window.remove-event-listener \mouseleave drag-clear
-			window.remove-event-listener \mouseup    drag-clear
+		function dragListen(fn) {
+			window.addEventListener('mousemove',  fn);
+			window.addEventListener('mouseleave', dragClear.bind(null, fn));
+			window.addEventListener('mouseup',    dragClear.bind(null, fn));
+		}
 
-		@ondragover = (e) ~>
-			e.data-transfer.drop-effect = \none
+		function dragClear(fn) {
+			window.removeEventListener('mousemove',  fn);
+			window.removeEventListener('mouseleave', dragClear);
+			window.removeEventListener('mouseup',    dragClear);
+		}
 
-		@on-keydown = (e) ~>
-			if e.which == 27 # Esc
-				if @can-close
-					e.prevent-default!
-					e.stop-propagation!
-					@close!
+		this.ondragover = e => {
+			e.dataTransfer.dropEffect = 'none';
+		};
+
+		this.onKeydown = e => {
+			if (e.which == 27) { // Esc
+				if (this.canClose) {
+					e.preventDefault();
+					e.stopPropagation();
+					this.close();
+				}
+			}
+		};
 
-		function contains(parent, child)
-			node = child.parent-node
-			while node?
-				if node == parent
-					return true
-				node = node.parent-node
-			return false
 	</script>
 </mk-window>
diff --git a/src/web/app/dev/tags/new-app-form.tag b/src/web/app/dev/tags/new-app-form.tag
index 86e694e94e..e01be512fb 100644
--- a/src/web/app/dev/tags/new-app-form.tag
+++ b/src/web/app/dev/tags/new-app-form.tag
@@ -178,66 +178,75 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@nid-state = null
+		this.nidState = null;
 
-		@on-change-nid = ~>
-			nid = @refs.nid.value
+		this.onChangeNid = () => {
+			const nid = this.refs.nid.value;
 
-			if nid == ''
-				@nid-state = null
-				@update!
-				return
+			if (nid == '') {
+				this.update({
+					nidState: null
+				});
+				return;
+			}
 
-			err = switch
-				| not nid.match /^[a-zA-Z0-9\-]+$/ => \invalid-format
-				| nid.length < 3chars              => \min-range
-				| nid.length > 30chars             => \max-range
-				| _                                     => null
+			const err =
+				!nid.match(/^[a-zA-Z0-9\-]+$/) ? 'invalid-format' :
+				nid.length < 3                 ? 'min-range' :
+				nid.length > 30                ? 'max-range' :
+				null;
 
-			if err?
-				@nid-state = err
-				@update!
-			else
-				@nid-state = \wait
-				@update!
+			if (err) {
+				this.update({
+					nidState: err
+				});
+				return;
+			}
 
-				@api \app/name_id/available do
-					name_id: nid
-				.then (result) ~>
-					if result.available
-						@nid-state = \ok
-					else
-						@nid-state = \unavailable
-					@update!
-				.catch (err) ~>
-					@nid-state = \error
-					@update!
+			this.update({
+				nidState: 'wait'
+			});
 
-		@onsubmit = ~>
-			name = @refs.name.value
-			nid = @refs.nid.value
-			description = @refs.description.value
-			cb = @refs.cb.value
-			permission = []
-
-			@refs.permission.query-selector-all \input .for-each (el) ~>
-				if el.checked then permission.push el.value
-
-			locker = document.body.append-child document.create-element \mk-locker
-
-			@api \app/create do
-				name: name
+			this.api('app/name_id/available', {
 				name_id: nid
-				description: description
-				callback_url: cb
-				permission: permission.join \,
-			.then ~>
-				location.href = '/apps'
-			.catch ~>
-				alert 'アプリの作成に失敗しました。再度お試しください。'
+			}).then(result => {
+				this.update({
+					nidState: result.available ? 'ok' : 'unavailable'
+				});
+			}).catch(err => {
+				this.update({
+					nidState: 'error'
+				});
+			});
+		};
 
-				locker.parent-node.remove-child locker
+		this.onsubmit = () => {
+			const name = this.refs.name.value;
+			const nid = this.refs.nid.value;
+			const description = this.refs.description.value;
+			const cb = this.refs.cb.value;
+			const permission = [];
+
+			this.refs.permission.querySelectorAll('input').forEach(el => {
+				if (el.checked) permission.push(el.value);
+			});
+
+			const locker = document.body.appendChild(document.createElement('mk-locker'));
+
+			this.api('app/create', {
+				name: name,
+				name_id: nid,
+				description: description,
+				callback_url: cb,
+				permission: permission.join(',')
+			}).then(() => {
+				location.href = '/apps';
+			}).catch(() => {
+				alert('アプリの作成に失敗しました。再度お試しください。');
+				locker.parentNode.removeChild(locker);
+			});
+		};
 	</script>
 </mk-new-app-form>
diff --git a/src/web/app/dev/tags/pages/app.tag b/src/web/app/dev/tags/pages/app.tag
index 7eaf9decf6..b25e0d8595 100644
--- a/src/web/app/dev/tags/pages/app.tag
+++ b/src/web/app/dev/tags/pages/app.tag
@@ -12,19 +12,21 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@fetching = true
+		this.fetching = true;
 
-		@on \mount ~>
-			@api \app/show do
-				app_id: @opts.app
-			.then (app) ~>
-				@app = app
-				@fetching = false
-				@update!
+		this.on('mount', () => {
+			this.api('app/show', {
+				app_id: this.opts.app
+			}).then(app => {
+				this.update({
+					fetching: false,
+					app: app
+				});
+			});
+		});
 	</script>
 </mk-app-page>
diff --git a/src/web/app/dev/tags/pages/apps.tag b/src/web/app/dev/tags/pages/apps.tag
index 03806c6da5..43db70fcf2 100644
--- a/src/web/app/dev/tags/pages/apps.tag
+++ b/src/web/app/dev/tags/pages/apps.tag
@@ -13,18 +13,21 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@fetching = true
+		this.fetching = true;
 
-		@on \mount ~>
-			@api \my/apps
-			.then (apps) ~>
-				@fetching = false
-				@apps = apps
-				@update!
+		this.on('mount', () => {
+			this.api('my/apps').then(apps => {
+				this.fetching = false
+				this.apps = apps
+				this.update({
+					fetching: false,
+					apps: apps
+				});
+			});
+		});
 	</script>
 </mk-apps-page>
diff --git a/src/web/app/dev/tags/pages/index.tag b/src/web/app/dev/tags/pages/index.tag
index ff2494212c..f863876fa7 100644
--- a/src/web/app/dev/tags/pages/index.tag
+++ b/src/web/app/dev/tags/pages/index.tag
@@ -2,10 +2,5 @@
 	<style>
 		:scope
 			display block
-
-			
-
-			
-
 	</style>
 </mk-index>
diff --git a/src/web/app/mobile/tags/drive-selector.tag b/src/web/app/mobile/tags/drive-selector.tag
index 7039ac26a3..753a2c3a9b 100644
--- a/src/web/app/mobile/tags/drive-selector.tag
+++ b/src/web/app/mobile/tags/drive-selector.tag
@@ -56,19 +56,24 @@
 
 	</style>
 	<script>
-		@files = []
+		this.files = [];
 
-		@on \mount ~>
-			@refs.browser.on \change-selected (files) ~>
-				@files = files
-				@update!
+		this.on('mount', () => {
+			this.refs.browser.on('change-selected', files => {
+				this.update({
+					files: files
+				});
+			});
+		});
 
-		@cancel = ~>
-			@trigger \canceled
-			@unmount!
+		this.cancel = () => {
+			this.trigger('canceled');
+			this.unmount();
+		};
 
-		@ok = ~>
-			@trigger \selected @files
-			@unmount!
+		this.ok = () => {
+			this.trigger('selected', this.files);
+			this.unmount();
+		};
 	</script>
 </mk-drive-selector>
diff --git a/src/web/app/mobile/tags/drive.tag b/src/web/app/mobile/tags/drive.tag
index 06ed54e762..35b9b65417 100644
--- a/src/web/app/mobile/tags/drive.tag
+++ b/src/web/app/mobile/tags/drive.tag
@@ -3,7 +3,7 @@
 		<p onclick={ goRoot }><i class="fa fa-cloud"></i>ドライブ</p>
 		<virtual each={ folder in hierarchyFolders }>
 			<span><i class="fa fa-angle-right"></i></span>
-			<p onclick={ _move }>{ folder.name }</p>
+			<p onclick={ move }>{ folder.name }</p>
 		</virtual>
 		<virtual if={ folder != null }>
 			<span><i class="fa fa-angle-right"></i></span>
@@ -14,7 +14,7 @@
 			<p>{ file.name }</p>
 		</virtual>
 	</nav>
-	<div class="browser { loading: loading }" if={ file == null }>
+	<div class="browser { loading: fetching }" if={ file == null }>
 		<div class="folders" if={ folders.length > 0 }>
 			<virtual each={ folder in folders }>
 				<mk-drive-folder folder={ folder }></mk-drive-folder>
@@ -27,11 +27,11 @@
 			</virtual>
 			<p if={ moreFiles }>もっと読み込む</p>
 		</div>
-		<div class="empty" if={ files.length == 0 && folders.length == 0 && !loading }>
+		<div class="empty" if={ files.length == 0 && folders.length == 0 && !fetching }>
 			<p if={ !folder == null }>ドライブには何もありません。</p>
 			<p if={ folder != null }>このフォルダーは空です</p>
 		</div>
-		<div class="loading" if={ loading }>
+		<div class="loading" if={ fetching }>
 			<div class="spinner">
 				<div class="dot1"></div>
 				<div class="dot2"></div>
@@ -128,250 +128,266 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \stream
+		this.mixin('api');
+		this.mixin('stream');
 
-		@files = []
-		@folders = []
-		@hierarchy-folders = []
-		@selected-files = []
+		this.files = [];
+		this.folders = [];
+		this.hierarchyFolders = [];
+		this.selectedFiles = [];
 
-		# 現在の階層(フォルダ)
-		# * null でルートを表す
-		@folder = null
+		// 現在の階層(フォルダ)
+		// * null でルートを表す
+		this.folder = null;
 
-		@file = null
+		this.file = null;
 
-		@is-select-mode = @opts.select? and @opts.select
-		@multiple = if @opts.multiple? then @opts.multiple else false
+		this.isSelectMode = this.opts.select;
+		this.multiple =this.opts.multiple;
 
-		@on \mount ~>
-			@stream.on \drive_file_created @on-stream-drive-file-created
-			@stream.on \drive_file_updated @on-stream-drive-file-updated
-			@stream.on \drive_folder_created @on-stream-drive-folder-created
-			@stream.on \drive_folder_updated @on-stream-drive-folder-updated
+		this.on('mount', () => {
+			this.stream.on('drive_file_created', this.onStreamDriveFileCreated);
+			this.stream.on('drive_file_updated', this.onStreamDriveFileUpdated);
+			this.stream.on('drive_folder_created', this.onStreamDriveFolderCreated);
+			this.stream.on('drive_folder_updated', this.onStreamDriveFolderUpdated);
 
-			# Riotのバグでnullを渡しても""になる
-			# https://github.com/riot/riot/issues/2080
-			#if @opts.folder?
-			if @opts.folder? and @opts.folder != ''
-				@cd @opts.folder, true
-			else if @opts.file? and @opts.file != ''
-				@cf @opts.file, true
-			else
-				@load!
+			// Riotのバグでnullを渡しても""になる
+			// https://github.com/riot/riot/issues/2080
+			//if (this.opts.folder)
+			//if (this.opts.file)
+			if (this.opts.folder && this.opts.folder != '') {
+				this.cd(this.opts.folder, true);
+			} else if (this.opts.file && this.opts.file != '') {
+				this.cf(this.opts.file, true);
+			} else {
+				this.load();
+			}
+		});
 
-		@on \unmount ~>
-			@stream.off \drive_file_created @on-stream-drive-file-created
-			@stream.off \drive_file_updated @on-stream-drive-file-updated
-			@stream.off \drive_folder_created @on-stream-drive-folder-created
-			@stream.off \drive_folder_updated @on-stream-drive-folder-updated
+		this.on('unmount', () => {
+			this.stream.off('drive_file_created', this.onStreamDriveFileCreated);
+			this.stream.off('drive_file_updated', this.onStreamDriveFileUpdated);
+			this.stream.off('drive_folder_created', this.onStreamDriveFolderCreated);
+			this.stream.off('drive_folder_updated', this.onStreamDriveFolderUpdated);
+		});
 
-		@on-stream-drive-file-created = (file) ~>
-			@add-file file, true
+		this.onStreamDriveFileCreated = file => {
+			this.addFile(file, true);
+		};
 
-		@on-stream-drive-file-updated = (file) ~>
-			current = if @folder? then @folder.id else null
-			if current != file.folder_id
-				@remove-file file
-			else
-				@add-file file, true
+		this.onStreamDriveFileUpdated = file => {
+			const current = this.folder ? this.folder.id : null;
+			if (current != file.folder_id) {
+				this.removeFile(file);
+			} else {
+				this.addFile(file, true);
+			}
+		};
 
-		@on-stream-drive-folder-created = (folder) ~>
-			@add-folder folder, true
+		this.onStreamDriveFolderCreated = folder => {
+			this.addFolder(folder, true);
+		};
 
-		@on-stream-drive-folder-updated = (folder) ~>
-			current = if @folder? then @folder.id else null
-			if current != folder.parent_id
-				@remove-folder folder
-			else
-				@add-folder folder, true
+		this.onStreamDriveFolderUpdated = folder => {
+			const current = this.folder ? this.folder.id : null;
+			if (current != folder.parent_id) {
+				this.removeFolder(folder);
+			} else {
+				this.addFolder(folder, true);
+			}
+		};
 
-		@_move = (ev) ~>
-			@move ev.item.folder
+		this.move = ev => {
+			this.cd(ev.item.folder);
+		};
 
-		@move = (target-folder) ~>
-			@cd target-folder
+		this.cd = (target, silent = false) => {
+			this.file = null;
 
-		@cd = (target-folder, silent = false) ~>
-			@file = null
+			if (target == null) {
+				this.goRoot();
+				return;
+			} else if (typeof target == 'object') target = target.id;
 
-			if target-folder? and typeof target-folder == \object
-				target-folder = target-folder.id
+			this.update({
+				fetching: true
+			});
 
-			if target-folder == null
-				@go-root!
-				return
+			this.api('drive/folders/show', {
+				folder_id: target
+			}).then(folder => {
+				this.folder = folder;
+				this.hierarchyFolders = [];
 
-			@loading = true
-			@update!
+				if (folder.parent) dive(folder.parent);
 
-			@api \drive/folders/show do
-				folder_id: target-folder
-			.then (folder) ~>
-				@folder = folder
-				@hierarchy-folders = []
+				this.update();
+				this.trigger('open-folder', this.folder, silent);
+				this.load();
+			});
+		};
 
-				x = (f) ~>
-					@hierarchy-folders.unshift f
-					if f.parent?
-						x f.parent
+		this.addFolder = (folder, unshift = false) => {
+			const current = this.folder ? this.folder.id : null;
+			// 追加しようとしているフォルダが、今居る階層とは違う階層のものだったら中断
+			if (current != folder.parent_id) return;
 
-				if folder.parent?
-					x folder.parent
+			// 追加しようとしているフォルダを既に所有してたら中断
+			if (this.folders.some(f => f.id == folder.id)) return;
 
-				@update!
-				@trigger \open-folder @folder, silent
-				@load!
-			.catch (err, text-status) ->
-				console.error err
+			if (unshift) {
+				this.folders.unshift(folder);
+			} else {
+				this.folders.push(folder);
+			}
 
-		@add-folder = (folder, unshift = false) ~>
-			current = if @folder? then @folder.id else null
-			if current != folder.parent_id
-				return
+			this.update();
+		};
 
-			if (@folders.some (f) ~> f.id == folder.id)
-				return
+		this.addFile = (file, unshift = false) => {
+			const current = this.folder ? this.folder.id : null;
+			// 追加しようとしているファイルが、今居る階層とは違う階層のものだったら中断
+			if (current != file.folder_id) return;
 
-			if unshift
-				@folders.unshift folder
-			else
-				@folders.push folder
+			if (this.files.some(f => f.id == file.id)) {
+				const exist = this.files.map(f => f.id).indexOf(file.id);
+				this.files[exist] = file;
+				this.update();
+				return;
+			}
 
-			@update!
+			if (unshift) {
+				this.files.unshift(file);
+			} else {
+				this.files.push(file);
+			}
 
-		@add-file = (file, unshift = false) ~>
-			current = if @folder? then @folder.id else null
-			if current != file.folder_id
-				return
+			this.update();
+		};
 
-			if (@files.some (f) ~> f.id == file.id)
-				exist = (@files.map (f) -> f.id).index-of file.id
-				@files[exist] = file
-				@update!
-				return
+		this.removeFolder = folder => {
+			if (typeof folder == 'object') folder = folder.id;
+			this.folders = this.folders.filter(f => f.id != folder);
+			this.update();
+		};
 
-			if unshift
-				@files.unshift file
-			else
-				@files.push file
+		this.removeFile = file => {
+			if (typeof file == 'object') file = file.id;
+			this.files = this.files.filter(f => f.id != file);
+			this.update();
+		};
 
-			@update!
+		this.goRoot = () => {
+			if (this.folder || this.file) {
+				this.update({
+					file: null,
+					folder: null,
+					hierarchyFolders: []
+				});
+				this.trigger('move-root');
+				this.load();
+			}
+		};
 
-		@remove-folder = (folder) ~>
-			if typeof folder == \object
-				folder = folder.id
-			@folders = @folders.filter (f) -> f.id != folder
-			@update!
+		this.load = () => {
+			this.update({
+				folders: [],
+				files: [],
+				moreFolders: false,
+				moreFiles: false,
+				fetching: true
+			});
 
-		@remove-file = (file) ~>
-			if typeof file == \object
-				file = file.id
-			@files = @files.filter (f) -> f.id != file
-			@update!
+			this.trigger('begin-load');
 
-		@go-root = ~>
-			if @folder != null or @file != null
-				@file = null
-				@folder = null
-				@hierarchy-folders = []
-				@update!
-				@trigger \move-root
-				@load!
+			let fetchedFolders = null;
+			let fetchedFiles = null;
 
-		@load = ~>
-			@folders = []
-			@files = []
-			@more-folders = false
-			@more-files = false
-			@loading = true
-			@update!
+			const foldersMax = 20;
+			const filesMax = 20;
 
-			@trigger \begin-load
+			// フォルダ一覧取得
+			this.api('drive/folders', {
+				folder_id: this.folder ? this.folder.id : null,
+				limit: foldersMax + 1
+			}).then(folders => {
+				if (folders.length == foldersMax + 1) {
+					this.moreFolders = true;
+					folders.pop();
+				}
+				fetchedFolders = folders;
+				complete();
+			});
 
-			load-folders = null
-			load-files = null
+			// ファイル一覧取得
+			this.api('drive/files', {
+				folder_id: this.folder ? this.folder.id : null,
+				limit: filesMax + 1
+			}).then(files => {
+				if (files.length == filesMax + 1) {
+					this.moreFiles = true;
+					files.pop();
+				}
+				fetchedFiles = files;
+				complete();
+			});
 
-			folders-max = 20
-			files-max = 20
+			let flag = false;
+			const complete = () => {
+				if (flag) {
+					fetchedFolders.forEach(this.addFolder);
+					fetchedFiles.forEach(this.addFile);
+					this.update({
+						fetching: false
+					});
+					// 一連の読み込みが完了したイベントを発行
+					this.trigger('loaded');
+				} else {
+					flag = true;
+					// 一連の読み込みが半分完了したイベントを発行
+					this.trigger('load-mid');
+				}
+			};
+		};
 
-			# フォルダ一覧取得
-			@api \drive/folders do
-				folder_id: if @folder? then @folder.id else null
-				limit: folders-max + 1
-			.then (folders) ~>
-				if folders.length == folders-max + 1
-					@more-folders = true
-					folders.pop!
-				load-folders := folders
-				complete!
-			.catch (err, text-status) ~>
-				console.error err
+		this.chooseFile = file => {
+			if (this.isSelectMode) {
+				if (this.selectedFiles.some(f => f.id == file.id)) {
+					this.selectedFiles = this.selectedFiles.filter(f => f.id != file.id);
+				} else {
+					this.selectedFiles.push(file);
+				}
+				this.update();
+				this.trigger('change-selected', this.selectedFiles);
+			} else {
+				this.cf(file);
+			}
+		};
 
-			# ファイル一覧取得
-			@api \drive/files do
-				folder_id: if @folder? then @folder.id else null
-				limit: files-max + 1
-			.then (files) ~>
-				if files.length == files-max + 1
-					@more-files = true
-					files.pop!
-				load-files := files
-				complete!
-			.catch (err, text-status) ~>
-				console.error err
+		this.cf = (file, silent = false) => {
+			if (typeof file == 'object') file = file.id;
 
-			flag = false
-			complete = ~>
-				if flag
-					load-folders.for-each (folder) ~>
-						@add-folder folder
-					load-files.for-each (file) ~>
-						@add-file file
-					@loading = false
-					@update!
+			this.update({
+				fetching: true
+			});
 
-					@trigger \loaded
-				else
-					flag := true
-					@trigger \load-mid
-
-		@choose-file = (file) ~>
-			if @is-select-mode
-				exist = @selected-files.some (f) ~> f.id == file.id
-				if exist
-					@selected-files = (@selected-files.filter (f) ~> f.id != file.id)
-				else
-					@selected-files.push file
-				@update!
-				@trigger \change-selected @selected-files
-			else
-				@cf file
-
-		@cf = (file, silent = false) ~>
-			if typeof file == \object
-				file = file.id
-
-			@loading = true
-			@update!
-
-			@api \drive/files/show do
+			this.api('drive/files/show', {
 				file_id: file
-			.then (file) ~>
-				@file = file
-				@folder = null
-				@hierarchy-folders = []
+			}).then(file => {
+				this.file = file;
+				this.folder = null;
+				this.hierarchyFolders = [];
 
-				x = (f) ~>
-					@hierarchy-folders.unshift f
-					if f.parent?
-						x f.parent
+				if (file.folder) dive(file.folder);
 
-				if file.folder?
-					x file.folder
+				this.update();
+				this.trigger('open-file', this.file, silent);
+			});
+		};
 
-				@update!
-				@trigger \open-file @file, silent
+		const dive = folder => {
+			this.hierarchyFolders.unshift(folder);
+			if (folder.parent) dive(folder.parent);
+		};
 	</script>
 </mk-drive>
diff --git a/src/web/app/mobile/tags/drive/file-viewer.tag b/src/web/app/mobile/tags/drive/file-viewer.tag
index a0d4c44453..78a10b83b4 100644
--- a/src/web/app/mobile/tags/drive/file-viewer.tag
+++ b/src/web/app/mobile/tags/drive/file-viewer.tag
@@ -180,22 +180,23 @@
 
 	</style>
 	<script>
-		@bytes-to-size = require '../../../common/scripts/bytes-to-size.js'
-		@get-gcd = require '../../../common/scripts/gcd.js'
+		this.bytesToSize = require('../../../common/scripts/bytes-to-size.js');
+		this.getGcd = require('../../../common/scripts/gcd.js');
 
-		@mixin \api
+		this.mixin('api');
 
-		@file = @opts.file
-		@kind = @file.type.split \/ .0
-
-		@rename = ~>
-			name = window.prompt '名前を変更' @file.name
-			if name? and name != '' and name != @file.name
-				@api \drive/files/update do
-					file_id: @file.id
-					name: name
-				.then ~>
-					@parent.cf @file, true
+		this.file = this.opts.file;
+		this.kind = this.file.type.split('/')[0];
 
+		this.rename = () => {
+			const name = window.prompt('名前を変更', this.file.name);
+			if (name == null || name == '' || name == this.file.name) return;
+			this.api('drive/files/update', {
+				file_id: this.file.id,
+				name: name
+			}).then(() => {
+				this.parent.cf(this.file, true);
+			});
+		};
 	</script>
 </mk-drive-file-viewer>
diff --git a/src/web/app/mobile/tags/drive/file.tag b/src/web/app/mobile/tags/drive/file.tag
index 95f91e5ebc..4b8216219b 100644
--- a/src/web/app/mobile/tags/drive/file.tag
+++ b/src/web/app/mobile/tags/drive/file.tag
@@ -122,16 +122,18 @@
 
 	</style>
 	<script>
-		@bytes-to-size = require '../../../common/scripts/bytes-to-size.js'
+		this.bytesToSize = require('../../../common/scripts/bytes-to-size');
 
-		@browser = @parent
-		@file = @opts.file
-		@is-selected = @browser.selected-files.some (f) ~> f.id == @file.id
+		this.browser = this.parent;
+		this.file = this.opts.file;
+		this.isSelected = this.browser.selectedFiles.some(f => f.id == this.file.id);
 
-		@browser.on \change-selected (selects) ~>
-			@is-selected = selects.some (f) ~> f.id == @file.id
+		this.browser.on('change-selected', selections => {
+			this.isSelected = selections.some(f => f.id == this.file.id);
+		});
 
-		@onclick = ~>
-			@browser.choose-file @file
+		this.onclick = () => {
+			this.browser.chooseFile(this.file);
+		};
 	</script>
 </mk-drive-file>
diff --git a/src/web/app/mobile/tags/drive/folder.tag b/src/web/app/mobile/tags/drive/folder.tag
index 82bef02625..27e86662c7 100644
--- a/src/web/app/mobile/tags/drive/folder.tag
+++ b/src/web/app/mobile/tags/drive/folder.tag
@@ -37,10 +37,11 @@
 
 	</style>
 	<script>
-		@browser = @parent
-		@folder = @opts.folder
+		this.browser = this.parent;
+		this.folder = this.opts.folder;
 
-		@onclick = ~>
-			@browser.move @folder
+		this.onclick = () => {
+			this.browser.cd(this.folder);
+		};
 	</script>
 </mk-drive-folder>
diff --git a/src/web/app/mobile/tags/follow-button.tag b/src/web/app/mobile/tags/follow-button.tag
index ac7058aebd..ae6d19f593 100644
--- a/src/web/app/mobile/tags/follow-button.tag
+++ b/src/web/app/mobile/tags/follow-button.tag
@@ -48,58 +48,74 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \is-promise
-		@mixin \stream
+		this.mixin('api');
+		this.mixin('is-promise');
+		this.mixin('stream');
 
-		@user = null
-		@user-promise = if @is-promise @opts.user then @opts.user else Promise.resolve @opts.user
-		@init = true
-		@wait = false
+		this.user = null;
+		this.userPromise = this.isPromise(this.opts.user)
+			? this.opts.user
+			: Promise.resolve(this.opts.user);
+		this.init = true;
+		this.wait = false;
 
-		@on \mount ~>
-			@user-promise.then (user) ~>
-				@user = user
-				@init = false
-				@update!
-				@stream.on \follow @on-stream-follow
-				@stream.on \unfollow @on-stream-unfollow
+		this.on('mount', () => {
+			this.userPromise.then(user => {
+				this.update({
+					init: false,
+					user: user
+				});
+				this.stream.on('follow', this.onStreamFollow);
+				this.stream.on('unfollow', this.onStreamUnfollow);
+			});
+		});
 
-		@on \unmount ~>
-			@stream.off \follow @on-stream-follow
-			@stream.off \unfollow @on-stream-unfollow
+		this.on('unmount', () => {
+			this.stream.off('follow', this.onStreamFollow);
+			this.stream.off('unfollow', this.onStreamUnfollow);
+		});
 
-		@on-stream-follow = (user) ~>
-			if user.id == @user.id
-				@user = user
-				@update!
+		this.onStreamFollow = user => {
+			if (user.id == this.user.id) {
+				this.update({
+					user: user
+				});
+			}
+		};
 
-		@on-stream-unfollow = (user) ~>
-			if user.id == @user.id
-				@user = user
-				@update!
+		this.onStreamUnfollow = user => {
+			if (user.id == this.user.id) {
+				this.update({
+					user: user
+				});
+			}
+		};
 
-		@onclick = ~>
-			@wait = true
-			if @user.is_following
-				@api \following/delete do
-					user_id: @user.id
-				.then ~>
-					@user.is_following = false
-				.catch (err) ->
-					console.error err
-				.then ~>
-					@wait = false
-					@update!
-			else
-				@api \following/create do
-					user_id: @user.id
-				.then ~>
-					@user.is_following = true
-				.catch (err) ->
-					console.error err
-				.then ~>
-					@wait = false
-					@update!
+		this.onclick = () => {
+			this.wait = true;
+			if (this.user.is_following) {
+				this.api('following/delete', {
+					user_id: this.user.id
+				}).then(() => {
+					this.user.is_following = false;
+				}).catch(err => {
+					console.error(err);
+				}).then(() => {
+					this.wait = false;
+					this.update();
+				});
+			} else {
+				this.api('following/create', {
+					user_id: this.user.id
+				}).then(() => {
+					this.user.is_following = true;
+				}).catch(err => {
+					console.error(err);
+				}).then(() => {
+					this.wait = false;
+					this.update();
+				});
+			}
+		};
 	</script>
 </mk-follow-button>
diff --git a/src/web/app/mobile/tags/home-timeline.tag b/src/web/app/mobile/tags/home-timeline.tag
index 2aa9127144..2cb051f32a 100644
--- a/src/web/app/mobile/tags/home-timeline.tag
+++ b/src/web/app/mobile/tags/home-timeline.tag
@@ -3,41 +3,49 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \api
-		@mixin \stream
+		this.mixin('api');
+		this.mixin('stream');
 
-		@init = new Promise (res, rej) ~>
-			@api \posts/timeline
-			.then (posts) ~>
-				res posts
-				@trigger \loaded
+		this.init = new Promise((res, rej) => {
+			this.api('posts/timeline').then(posts => {
+				res(posts);
+				this.trigger('loaded');
+			});
+		});
 
-		@on \mount ~>
-			@stream.on \post @on-stream-post
-			@stream.on \follow @on-stream-follow
-			@stream.on \unfollow @on-stream-unfollow
+		this.on('mount', () => {
+			this.stream.on('post', this.onStreamPost);
+			this.stream.on('follow', this.onStreamFollow);
+			this.stream.on('unfollow', this.onStreamUnfollow);
+		});
 
-		@on \unmount ~>
-			@stream.off \post @on-stream-post
-			@stream.off \follow @on-stream-follow
-			@stream.off \unfollow @on-stream-unfollow
+		this.on('unmount', () => {
+			this.stream.off('post', this.onStreamPost);
+			this.stream.off('follow', this.onStreamFollow);
+			this.stream.off('unfollow', this.onStreamUnfollow);
+		});
 
-		@more = ~>
-			@api \posts/timeline do
-				max_id: @refs.timeline.tail!.id
+		this.more = () => {
+			this.api('posts/timeline', {
+				max_id: this.refs.timeline.tail().id
+			});
+		};
 
-		@on-stream-post = (post) ~>
-			@is-empty = false
-			@update!
-			@refs.timeline.add-post post
+		this.onStreamPost = post => {
+			this.update({
+				isEmpty: false
+			});
+			this.refs.timeline.addPost(post);
+		};
 
-		@on-stream-follow = ~>
-			@fetch!
+		this.onStreamFollow = () => {
+			this.fetch();
+		};
 
-		@on-stream-unfollow = ~>
-			@fetch!
+		this.onStreamUnfollow = () => {
+			this.fetch();
+		};
 	</script>
 </mk-home-timeline>
diff --git a/src/web/app/mobile/tags/home.tag b/src/web/app/mobile/tags/home.tag
index 78141ca9a7..2edfd656e4 100644
--- a/src/web/app/mobile/tags/home.tag
+++ b/src/web/app/mobile/tags/home.tag
@@ -13,8 +13,10 @@
 
 	</style>
 	<script>
-		@on \mount ~>
-			@refs.tl.on \loaded ~>
-				@trigger \loaded
+		this.on('mount', () => {
+			this.refs.tl.on('loaded', () => {
+				this.trigger('loaded');
+			});
+		});
 	</script>
 </mk-home>
diff --git a/src/web/app/mobile/tags/images-viewer.tag b/src/web/app/mobile/tags/images-viewer.tag
index 05dc744cdb..f3724f21b6 100644
--- a/src/web/app/mobile/tags/images-viewer.tag
+++ b/src/web/app/mobile/tags/images-viewer.tag
@@ -18,10 +18,11 @@
 
 	</style>
 	<script>
-		@images = @opts.images
-		@image = @images.0
+		this.images = this.opts.images;
+		this.image = this.images[0];
 
-		@click = ~>
-			window.open @image.url
+		this.click = () => {
+			window.open(this.image.url);
+		};
 	</script>
 </mk-images-viewer>
diff --git a/src/web/app/mobile/tags/index.js b/src/web/app/mobile/tags/index.js
index 2a8f2161c2..dec2be3325 100644
--- a/src/web/app/mobile/tags/index.js
+++ b/src/web/app/mobile/tags/index.js
@@ -1,7 +1,6 @@
 require('./ui.tag');
 require('./ui-header.tag');
 require('./ui-nav.tag');
-require('./stream-indicator.tag');
 require('./page/entrance.tag');
 require('./page/entrance/signin.tag');
 require('./page/entrance/signup.tag');
diff --git a/src/web/app/mobile/tags/notification-preview.tag b/src/web/app/mobile/tags/notification-preview.tag
index c146c6f0f7..b93b92d919 100644
--- a/src/web/app/mobile/tags/notification-preview.tag
+++ b/src/web/app/mobile/tags/notification-preview.tag
@@ -107,7 +107,7 @@
 
 	</style>
 	<script>
-		@mixin \get-post-summary
-		@notification = @opts.notification
+		this.mixin('get-post-summary');
+		this.notification = this.opts.notification;
 	</script>
 </mk-notification-preview>
diff --git a/src/web/app/mobile/tags/notification.tag b/src/web/app/mobile/tags/notification.tag
index b619c66980..d32e6b40ae 100644
--- a/src/web/app/mobile/tags/notification.tag
+++ b/src/web/app/mobile/tags/notification.tag
@@ -167,7 +167,7 @@
 
 	</style>
 	<script>
-		@mixin \get-post-summary
-		@notification = @opts.notification
+		this.mixin('get-post-summary');
+		this.notification = this.opts.notification;
 	</script>
 </mk-notification>
diff --git a/src/web/app/mobile/tags/notifications.tag b/src/web/app/mobile/tags/notifications.tag
index 8207495795..e73877266e 100644
--- a/src/web/app/mobile/tags/notifications.tag
+++ b/src/web/app/mobile/tags/notifications.tag
@@ -57,37 +57,40 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \stream
-		@mixin \get-post-summary
+		this.mixin('api');
+		this.mixin('stream');
+		this.mixin('get-post-summary');
 
-		@notifications = []
-		@loading = true
+		this.notifications = [];
+		this.loading = true;
 
-		@on \mount ~>
-			@api \i/notifications
-			.then (notifications) ~>
-				@notifications = notifications
-				@loading = false
-				@update!
-				@trigger \loaded
-			.catch (err, text-status) ->
-				console.error err
+		this.on('mount', () => {
+			this.api('i/notifications').then(notifications => {
+				this.update({
+					loading: false,
+					notifications: notifications
+				});
+			});
 
-			@stream.on \notification @on-notification
+			this.stream.on('notification', this.onNotification);
+		});
 
-		@on \unmount ~>
-			@stream.off \notification @on-notification
+		this.on('unmount', () => {
+			this.stream.off('notification', this.onNotification);
+		});
 
-		@on-notification = (notification) ~>
-			@notifications.unshift notification
-			@update!
+		this.onNotification = notification => {
+			this.notifications.unshift(notification);
+			this.update();
+		};
 
-		@on \update ~>
-			@notifications.for-each (notification) ~>
-				date = (new Date notification.created_at).get-date!
-				month = (new Date notification.created_at).get-month! + 1
-				notification._date = date
-				notification._datetext = month + '月 ' + date + '日'
+		this.on('update', () => {
+			this.notifications.forEach(notification => {
+				const date = new Date(notification.created_at).getDate();
+				const month = new Date(notification.created_at).getMonth() + 1;
+				notification._date = date;
+				notification._datetext = `${month}月 ${date}日`;
+			});
+		});
 	</script>
 </mk-notifications>
diff --git a/src/web/app/mobile/tags/notify.tag b/src/web/app/mobile/tags/notify.tag
index aa45ce0cff..c97e70696c 100644
--- a/src/web/app/mobile/tags/notify.tag
+++ b/src/web/app/mobile/tags/notify.tag
@@ -16,23 +16,23 @@
 
 	</style>
 	<script>
-		@on \mount ~>
-			Velocity @root, {
-				bottom: \0px
-			} {
-				duration: 500ms
-				easing: \ease-out
-			}
+		this.on('mount', () => {
+			Velocity(this.root, {
+				bottom: '0px'
+			}, {
+				duration: 500,
+				easing: 'ease-out'
+			});
 
-			set-timeout ~>
-				Velocity @root, {
-					bottom: \-64px
-				} {
-					duration: 500ms
-					easing: \ease-out
-					complete: ~>
-						@unmount!
-				}
-			, 6000ms
+			setTimeout(() => {
+				Velocity(this.root, {
+					bottom: '-64px'
+				}, {
+					duration: 500,
+					easing: 'ease-out',
+					complete: () => this.unmount()
+				});
+			}, 6000);
+		});
 	</script>
 </mk-notify>
diff --git a/src/web/app/mobile/tags/page/drive.tag b/src/web/app/mobile/tags/page/drive.tag
index ef83e4d5ba..a064a05598 100644
--- a/src/web/app/mobile/tags/page/drive.tag
+++ b/src/web/app/mobile/tags/page/drive.tag
@@ -5,57 +5,65 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \ui
-		@mixin \ui-progress
+		this.mixin('ui');
+		this.mixin('ui-progress');
 
-		@on \mount ~>
-			document.title = 'Misskey Drive'
-			@ui.trigger \title '<i class="fa fa-cloud"></i>ドライブ'
+		this.on('mount', () => {
+			document.title = 'Misskey Drive';
+			this.ui.trigger('title', '<i class="fa fa-cloud"></i>ドライブ');
 
-			@refs.ui.refs.browser.on \begin-load ~>
-				@Progress.start!
+			this.refs.ui.refs.browser.on('begin-load', () => {
+				this.Progress.start();
+			});
 
-			@refs.ui.refs.browser.on \loaded-mid ~>
-				@Progress.set 0.5
+			this.refs.ui.refs.browser.on('loaded-mid', () => {
+				this.Progress.set(0.5);
+			});
 
-			@refs.ui.refs.browser.on \loaded ~>
-				@Progress.done!
+			this.refs.ui.refs.browser.on('loaded', () => {
+				this.Progress.done();
+			});
 
-			@refs.ui.refs.browser.on \move-root ~>
-				title = 'Misskey Drive'
+			this.refs.ui.refs.browser.on('move-root', () => {
+				const title = 'Misskey Drive';
 
-				# Rewrite URL
-				history.push-state null, title, '/i/drive'
+				// Rewrite URL
+				history.pushState(null, title, '/i/drive');
 
-				document.title = title
-				@ui.trigger \title '<i class="fa fa-cloud"></i>ドライブ'
+				document.title = title;
+				this.ui.trigger('title', '<i class="fa fa-cloud"></i>ドライブ');
+			});
 
-			@refs.ui.refs.browser.on \open-folder (folder, silent) ~>
-				title = folder.name + ' | Misskey Drive'
+			this.refs.ui.refs.browser.on('open-folder', (folder, silent) => {
+				const title = folder.name + ' | Misskey Drive';
 
-				if !silent
-					# Rewrite URL
-					history.push-state null, title, '/i/drive/folder/' + folder.id
+				if (!silent) {
+					// Rewrite URL
+					history.pushState(null, title, '/i/drive/folder/' + folder.id);
+				}
 
-				document.title = title
-				# TODO: escape html characters in folder.name
-				@ui.trigger \title '<i class="fa fa-folder-open"></i>' + folder.name
+				document.title = title;
+				// TODO: escape html characters in folder.name
+				this.ui.trigger('title', '<i class="fa fa-folder-open"></i>' + folder.name);
+			});
 
-			@refs.ui.refs.browser.on \open-file (file, silent) ~>
-				title = file.name + ' | Misskey Drive'
+			this.refs.ui.refs.browser.on('open-file', (file, silent) => {
+				const title = file.name + ' | Misskey Drive';
 
-				if !silent
-					# Rewrite URL
-					history.push-state null, title, '/i/drive/file/' + file.id
+				if (!silent) {
+					// Rewrite URL
+					history.pushState(null, title, '/i/drive/file/' + file.id);
+				}
 
-				document.title = title
-				# TODO: escape html characters in file.name
-				@ui.trigger \title '<mk-file-type-icon class="icon"></mk-file-type-icon>' + file.name
-				riot.mount \mk-file-type-icon do
+				document.title = title;
+				// TODO: escape html characters in file.name
+				this.ui.trigger('title', '<mk-file-type-icon class="icon"></mk-file-type-icon>' + file.name);
+				riot.mount('mk-file-type-icon', {
 					type: file.type
-
+				});
+			});
+		});
 	</script>
 </mk-drive-page>
diff --git a/src/web/app/mobile/tags/page/entrance.tag b/src/web/app/mobile/tags/page/entrance.tag
index 424c58da5d..452dff992e 100644
--- a/src/web/app/mobile/tags/page/entrance.tag
+++ b/src/web/app/mobile/tags/page/entrance.tag
@@ -43,18 +43,24 @@
 
 	</style>
 	<script>
-		@mode = \signin
+		this.mode = 'signin';
 
-		@signup = ~>
-			@mode = \signup
-			@update!
+		this.signup = () => {
+			this.update({
+				mode: 'signup'
+			});
+		};
 
-		@signin = ~>
-			@mode = \signin
-			@update!
+		this.signin = () => {
+			this.update({
+				mode: 'signin'
+			});
+		};
 
-		@introduction = ~>
-			@mode = \introduction
-			@update!
+		this.introduction = () => {
+			this.update({
+				mode: 'introduction'
+			});
+		};
 	</script>
 </mk-entrance>
diff --git a/src/web/app/mobile/tags/page/entrance/signup.tag b/src/web/app/mobile/tags/page/entrance/signup.tag
index 5209543886..c4b3ee9f38 100644
--- a/src/web/app/mobile/tags/page/entrance/signup.tag
+++ b/src/web/app/mobile/tags/page/entrance/signup.tag
@@ -34,9 +34,5 @@
 				> i
 					padding 14px
 
-			
-
-			
-
 	</style>
 </mk-entrance-signup>
diff --git a/src/web/app/mobile/tags/page/home.tag b/src/web/app/mobile/tags/page/home.tag
index 947e119b09..c93803fb02 100644
--- a/src/web/app/mobile/tags/page/home.tag
+++ b/src/web/app/mobile/tags/page/home.tag
@@ -5,41 +5,47 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \i
-		@mixin \ui
-		@mixin \ui-progress
-		@mixin \stream
-		@mixin \get-post-summary
+		this.mixin('i');
+		this.mixin('ui');
+		this.mixin('ui-progress');
+		this.mixin('stream');
+		this.mixin('get-post-summary');
 
-		@unread-count = 0
+		this.unreadCount = 0;
 
-		@on \mount ~>
+		this.on('mount', () => {
 			document.title = 'Misskey'
-			@ui.trigger \title '<i class="fa fa-home"></i>ホーム'
+			this.ui.trigger('title', '<i class="fa fa-home"></i>ホーム');
 
-			@Progress.start!
+			this.Progress.start();
 
-			@stream.on \post @on-stream-post
-			document.add-event-listener \visibilitychange @window-on-visibilitychange, false
+			this.stream.on('post', this.onStreamPost);
+			document.addEventListener('visibilitychange', this.onVisibilitychange, false);
 
-			@refs.ui.refs.home.on \loaded ~>
-				@Progress.done!
+			this.refs.ui.refs.home.on('loaded', () => {
+				this.Progress.done();
+			});
+		});
 
-		@on \unmount ~>
-			@stream.off \post @on-stream-post
-			document.remove-event-listener \visibilitychange @window-on-visibilitychange
+		this.on('unmount', () => {
+			this.stream.off('post', this.onStreamPost);
+			document.removeEventListener('visibilitychange', this.onVisibilitychange);
+		});
 
-		@on-stream-post = (post) ~>
-			if document.hidden and post.user_id !== @I.id
-				@unread-count++
-				document.title = '(' + @unread-count + ') ' + @get-post-summary post
+		this.onStreamPost = post => {
+			if (document.hidden && post.user_id !== this.I.id) {
+				this.unreadCount++;
+				document.title = `(${this.unreadCount}) ${this.getPostSummary(post)}`;
+			}
+		};
 
-		@window-on-visibilitychange = ~>
-			if !document.hidden
-				@unread-count = 0
-				document.title = 'Misskey'
+		this.onVisibilitychange = () => {
+			if (!document.hidden) {
+				this.unreadCount = 0;
+				document.title = 'Misskey';
+			}
+		};
 	</script>
 </mk-home-page>
diff --git a/src/web/app/mobile/tags/page/messaging-room.tag b/src/web/app/mobile/tags/page/messaging-room.tag
index 2216d0c460..29657802a6 100644
--- a/src/web/app/mobile/tags/page/messaging-room.tag
+++ b/src/web/app/mobile/tags/page/messaging-room.tag
@@ -7,21 +7,24 @@
 			display block
 	</style>
 	<script>
-		@mixin \api
-		@mixin \ui
+		this.mixin('api');
+		this.mixin('ui');
 
-		@fetching = true
+		this.fetching = true;
 
-		@on \mount ~>
-			@api \users/show do
-				username: @opts.username
-			.then (user) ~>
-				@fetching = false
-				@user = user
-				@update!
+		this.on('mount', () => {
+			this.api('users/show', {
+				username: this.opts.username
+			}).then(user => {
+				this.update({
+					fetching: false,
+					user: user
+				});
 
-				document.title = 'メッセージ: ' + user.name + ' | Misskey'
-				# TODO: ユーザー名をエスケープ
-				@ui.trigger \title '<i class="fa fa-comments-o"></i>' + user.name
+				document.title = `メッセージ: ${user.name} | Misskey`;
+				// TODO: ユーザー名をエスケープ
+				this.ui.trigger('title', '<i class="fa fa-comments-o"></i>' + user.name);
+			});
+		});
 	</script>
 </mk-messaging-room-page>
diff --git a/src/web/app/mobile/tags/page/messaging.tag b/src/web/app/mobile/tags/page/messaging.tag
index dd277f46e9..fd94cbfa4a 100644
--- a/src/web/app/mobile/tags/page/messaging.tag
+++ b/src/web/app/mobile/tags/page/messaging.tag
@@ -7,15 +7,16 @@
 			display block
 	</style>
 	<script>
-		@mixin \ui
-		@mixin \page
+		this.mixin('ui');
+		this.mixin('page');
 
-		@on \mount ~>
-			document.title = 'Misskey | メッセージ'
-			@ui.trigger \title '<i class="fa fa-comments-o"></i>メッセージ'
-
-			@refs.ui.refs.index.on \navigate-user (user) ~>
-				@page '/i/messaging/' + user.username
+		this.on('mount', () => {
+			document.title = 'Misskey | メッセージ';
+			this.ui.trigger('title', '<i class="fa fa-comments-o"></i>メッセージ');
 
+			this.refs.ui.refs.index.on('navigate-user', user => {
+				this.page('/i/messaging/' + user.username);
+			});
+		});
 	</script>
 </mk-messaging-page>
diff --git a/src/web/app/mobile/tags/page/new-post.tag b/src/web/app/mobile/tags/page/new-post.tag
index e323f0d955..3ba549c8dc 100644
--- a/src/web/app/mobile/tags/page/new-post.tag
+++ b/src/web/app/mobile/tags/page/new-post.tag
@@ -3,10 +3,5 @@
 	<style>
 		:scope
 			display block
-
-			
-
-			
-
 	</style>
 </mk-new-post-page>
diff --git a/src/web/app/mobile/tags/page/notifications.tag b/src/web/app/mobile/tags/page/notifications.tag
index 18b6cc2834..1d35d79edc 100644
--- a/src/web/app/mobile/tags/page/notifications.tag
+++ b/src/web/app/mobile/tags/page/notifications.tag
@@ -8,16 +8,18 @@
 
 	</style>
 	<script>
-		@mixin \ui
-		@mixin \ui-progress
+		this.mixin('ui');
+		this.mixin('ui-progress');
 
-		@on \mount ~>
-			document.title = 'Misskey | 通知'
-			@ui.trigger \title '<i class="fa fa-bell-o"></i>通知'
+		this.on('mount', () => {
+			document.title = 'Misskey | 通知';
+			this.ui.trigger('title', '<i class="fa fa-bell-o"></i>通知');
 
-			@Progress.start!
+			this.Progress.start();
 
-			@refs.ui.refs.notifications.on \loaded ~>
-				@Progress.done!
+			this.refs.ui.refs.notifications.on('loaded', () => {
+				this.Progress.done();
+			});
+		});
 	</script>
 </mk-notifications-page>
diff --git a/src/web/app/mobile/tags/page/post.tag b/src/web/app/mobile/tags/page/post.tag
index a8ffb1c3c7..2c4eba37a0 100644
--- a/src/web/app/mobile/tags/page/post.tag
+++ b/src/web/app/mobile/tags/page/post.tag
@@ -18,21 +18,24 @@
 
 	</style>
 	<script>
-		@mixin \ui
-		@mixin \ui-progress
+		this.mixin('ui');
+		this.mixin('ui-progress');
 
-		@post = @opts.post
+		this.post = this.opts.post;
 
-		@on \mount ~>
-			document.title = 'Misskey'
-			@ui.trigger \title '<i class="fa fa-sticky-note-o"></i>投稿'
+		this.on('mount', () => {
+			document.title = 'Misskey';
+			this.ui.trigger('title', '<i class="fa fa-sticky-note-o"></i>投稿');
 
-			@Progress.start!
+			this.Progress.start();
 
-			@refs.ui.refs.post.on \post-fetched ~>
-				@Progress.set 0.5
+			this.refs.ui.refs.post.on('post-fetched', () => {
+				this.Progress.set(0.5);
+			});
 
-			@refs.ui.refs.post.on \loaded ~>
-				@Progress.done!
+			this.refs.ui.refs.post.on('loaded', () => {
+				this.Progress.done();
+			});
+		});
 	</script>
 </mk-post-page>
diff --git a/src/web/app/mobile/tags/page/search.tag b/src/web/app/mobile/tags/page/search.tag
index 31de7d9625..fbf741f2e6 100644
--- a/src/web/app/mobile/tags/page/search.tag
+++ b/src/web/app/mobile/tags/page/search.tag
@@ -5,20 +5,21 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \ui
-		@mixin \ui-progress
+		this.mixin('ui');
+		this.mixin('ui-progress');
 
-		@on \mount ~>
-			document.title = '検索: ' + @opts.query + ' | Misskey'
-			# TODO: クエリをHTMLエスケープ
-			@ui.trigger \title '<i class="fa fa-search"></i>' + @opts.query
+		this.on('mount', () => {
+			document.title = `検索: ${this.opts.query} | Misskey`
+			// TODO: クエリをHTMLエスケープ
+			this.ui.trigger('title', '<i class="fa fa-search"></i>' + this.opts.query);
 
-			@Progress.start!
+			this.Progress.start();
 
-			@refs.ui.refs.search.on \loaded ~>
-				@Progress.done!
+			this.refs.ui.refs.search.on('loaded', () => {
+				this.Progress.done();
+			});
+		});
 	</script>
 </mk-search-page>
diff --git a/src/web/app/mobile/tags/page/settings.tag b/src/web/app/mobile/tags/page/settings.tag
index 99e7569f5b..59974e8cb6 100644
--- a/src/web/app/mobile/tags/page/settings.tag
+++ b/src/web/app/mobile/tags/page/settings.tag
@@ -13,10 +13,11 @@
 			display block
 	</style>
 	<script>
-		@mixin \ui
+		this.mixin('ui');
 
-		@on \mount ~>
-			document.title = 'Misskey | 設定'
-			@ui.trigger \title '<i class="fa fa-cog"></i>設定'
+		this.on('mount', () => {
+			document.title = 'Misskey | 設定';
+			this.ui.trigger('title', '<i class="fa fa-cog"></i>設定');
+		});
 	</script>
 </mk-settings-page>
diff --git a/src/web/app/mobile/tags/page/settings/api.tag b/src/web/app/mobile/tags/page/settings/api.tag
index 69f4a47db0..e4f954f51a 100644
--- a/src/web/app/mobile/tags/page/settings/api.tag
+++ b/src/web/app/mobile/tags/page/settings/api.tag
@@ -7,10 +7,11 @@
 			display block
 	</style>
 	<script>
-		@mixin \ui
+		this.mixin('ui');
 
-		@on \mount ~>
-			document.title = 'Misskey | API'
-			@ui.trigger \title '<i class="fa fa-key"></i>API'
+		this.on('mount', () => {
+			document.title = 'Misskey | API';
+			this.ui.trigger('title', '<i class="fa fa-key"></i>API');
+		});
 	</script>
 </mk-api-info-page>
diff --git a/src/web/app/mobile/tags/page/settings/authorized-apps.tag b/src/web/app/mobile/tags/page/settings/authorized-apps.tag
index abb8ba0fc0..84904c91e5 100644
--- a/src/web/app/mobile/tags/page/settings/authorized-apps.tag
+++ b/src/web/app/mobile/tags/page/settings/authorized-apps.tag
@@ -7,10 +7,11 @@
 			display block
 	</style>
 	<script>
-		@mixin \ui
+		this.mixin('ui');
 
-		@on \mount ~>
-			document.title = 'Misskey | アプリケーション'
-			@ui.trigger \title '<i class="fa fa-puzzle-piece"></i>アプリケーション'
+		this.on('mount', () => {
+			document.title = 'Misskey | アプリケーション';
+			this.ui.trigger('title', '<i class="fa fa-puzzle-piece"></i>アプリケーション');
+		});
 	</script>
 </mk-authorized-apps-page>
diff --git a/src/web/app/mobile/tags/page/settings/signin.tag b/src/web/app/mobile/tags/page/settings/signin.tag
index 5886b53f9a..874cdf4856 100644
--- a/src/web/app/mobile/tags/page/settings/signin.tag
+++ b/src/web/app/mobile/tags/page/settings/signin.tag
@@ -7,10 +7,11 @@
 			display block
 	</style>
 	<script>
-		@mixin \ui
+		this.mixin('ui');
 
-		@on \mount ~>
-			document.title = 'Misskey | ログイン履歴'
-			@ui.trigger \title '<i class="fa fa-sign-in"></i>ログイン履歴'
+		this.on('mount', () => {
+			document.title = 'Misskey | ログイン履歴';
+			this.ui.trigger('title', '<i class="fa fa-sign-in"></i>ログイン履歴');
+		});
 	</script>
 </mk-signin-history-page>
diff --git a/src/web/app/mobile/tags/page/settings/twitter.tag b/src/web/app/mobile/tags/page/settings/twitter.tag
index f6cde2e5a5..2026ab7daf 100644
--- a/src/web/app/mobile/tags/page/settings/twitter.tag
+++ b/src/web/app/mobile/tags/page/settings/twitter.tag
@@ -7,10 +7,11 @@
 			display block
 	</style>
 	<script>
-		@mixin \ui
+		this.mixin('ui');
 
-		@on \mount ~>
-			document.title = 'Misskey | Twitter連携'
-			@ui.trigger \title '<i class="fa fa-twitter"></i>Twitter連携'
+		this.on('mount', () => {
+			document.title = 'Misskey | Twitter連携';
+			this.ui.trigger('title', '<i class="fa fa-twitter"></i>Twitter連携');
+		});
 	</script>
 </mk-twitter-setting-page>
diff --git a/src/web/app/mobile/tags/page/user-followers.tag b/src/web/app/mobile/tags/page/user-followers.tag
index 5856e60e02..249897be2c 100644
--- a/src/web/app/mobile/tags/page/user-followers.tag
+++ b/src/web/app/mobile/tags/page/user-followers.tag
@@ -5,32 +5,34 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \ui
-		@mixin \ui-progress
-		@mixin \api
+		this.mixin('ui');
+		this.mixin('ui-progress');
+		this.mixin('api');
 
-		@fetching = true
-		@user = null
+		this.fetching = true;
+		this.user = null;
 
-		@on \mount ~>
-			@Progress.start!
+		this.on('mount', () => {
+			this.Progress.start();
 
-			@api \users/show do
-				username: @opts.user
-			.then (user) ~>
-				@user = user
-				@fetching = false
+			this.api('users/show', {
+				username: this.opts.user
+			}).then(user => {
+				this.update({
+					fetching: false,
+					user: user
+				});
 
-				document.title = user.name + 'のフォロワー | Misskey'
-				# TODO: ユーザー名をエスケープ
-				@ui.trigger \title '<img src="' + user.avatar_url + '?thumbnail&size=64">' + user.name + 'のフォロワー'
+				document.title = user.name + 'のフォロワー | Misskey';
+				// TODO: ユーザー名をエスケープ
+				this.ui.trigger('title', '<img src="' + user.avatar_url + '?thumbnail&size=64">' + user.name + 'のフォロワー');
 
-				@update!
-
-				@refs.ui.refs.list.on \loaded ~>
-					@Progress.done!
+				this.refs.ui.refs.list.on('loaded', () => {
+					this.Progress.done();
+				});
+			});
+		});
 	</script>
 </mk-user-followers-page>
diff --git a/src/web/app/mobile/tags/page/user-following.tag b/src/web/app/mobile/tags/page/user-following.tag
index 14b006d3f9..a682715a02 100644
--- a/src/web/app/mobile/tags/page/user-following.tag
+++ b/src/web/app/mobile/tags/page/user-following.tag
@@ -5,32 +5,34 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@mixin \ui
-		@mixin \ui-progress
-		@mixin \api
+		this.mixin('ui');
+		this.mixin('ui-progress');
+		this.mixin('api');
 
-		@fetching = true
-		@user = null
+		this.fetching = true;
+		this.user = null;
 
-		@on \mount ~>
-			@Progress.start!
+		this.on('mount', () => {
+			this.Progress.start();
 
-			@api \users/show do
-				username: @opts.user
-			.then (user) ~>
-				@user = user
-				@fetching = false
+			this.api('users/show', {
+				username: this.opts.user
+			}).then(user => {
+				this.update({
+					fetching: false,
+					user: user
+				});
 
-				document.title = user.name + 'のフォロー | Misskey'
-				# TODO: ユーザー名をエスケープ
-				@ui.trigger \title '<img src="' + user.avatar_url + '?thumbnail&size=64">' + user.name + 'のフォロー'
+				document.title = user.name + 'のフォロー | Misskey';
+				// TODO: ユーザー名をエスケープ
+				this.ui.trigger('title', '<img src="' + user.avatar_url + '?thumbnail&size=64">' + user.name + 'のフォロー');
 
-				@update!
-
-				@refs.ui.refs.list.on \loaded ~>
-					@Progress.done!
+				this.refs.ui.refs.list.on('loaded', () => {
+					this.Progress.done();
+				});
+			});
+		});
 	</script>
 </mk-user-following-page>
diff --git a/src/web/app/mobile/tags/page/user.tag b/src/web/app/mobile/tags/page/user.tag
index 0ac8ed4e25..2a0e48426f 100644
--- a/src/web/app/mobile/tags/page/user.tag
+++ b/src/web/app/mobile/tags/page/user.tag
@@ -8,18 +8,20 @@
 
 	</style>
 	<script>
-		@mixin \ui
-		@mixin \ui-progress
+		this.mixin('ui');
+		this.mixin('ui-progress');
 
-		@user = @opts.user
+		this.user = this.opts.user;
 
-		@on \mount ~>
-			@Progress.start!
+		this.on('mount', () => {
+			this.Progress.start();
 
-			@refs.ui.refs.user.on \loaded (user) ~>
-				@Progress.done!
-				document.title = user.name + ' | Misskey'
-				# TODO: ユーザー名をエスケープ
-				@ui.trigger \title '<i class="fa fa-user"></i>' + user.name
+			this.refs.ui.refs.user.on('loaded', user => {
+				this.Progress.done();
+				document.title = user.name + ' | Misskey';
+				// TODO: ユーザー名をエスケープ
+				this.ui.trigger('title', '<i class="fa fa-user"></i>' + user.name);
+			});
+		});
 	</script>
 </mk-user-page>
diff --git a/src/web/app/mobile/tags/post-detail.tag b/src/web/app/mobile/tags/post-detail.tag
index 3856df0800..e8149e0982 100644
--- a/src/web/app/mobile/tags/post-detail.tag
+++ b/src/web/app/mobile/tags/post-detail.tag
@@ -329,102 +329,124 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \text
-		@mixin \get-post-summary
-		@mixin \open-post-form
+		this.mixin('api');
+		this.mixin('text');
+		this.mixin('get-post-summary');
+		this.mixin('open-post-form');
 
-		@fetching = true
-		@loading-context = false
-		@content = null
-		@post = null
+		this.fetching = true;
+		this.loadingContext = false;
+		this.content = null;
+		this.post = null;
 
-		@on \mount ~>
-			@api \posts/show do
-				post_id: @opts.post
-			.then (post) ~>
-				@post = post
-				@is-repost = @post.repost?
-				@p = if @is-repost then @post.repost else @post
-				@summary = @get-post-summary @p
-				@trigger \loaded
-				@fetching = false
-				@update!
+		this.on('mount', () => {
+			this.api('posts/show', {
+				post_id: this.opts.post
+			}).then(post => {
+				const isRepost = post.repost != null;
+				const p = isRepost ? post.repost : post;
+				this.update({
+					fetching: false,
+					post: post,
+					isRepost: isRepost,
+					p: p
+				});
 
-				if @p.text?
-					tokens = @analyze @p.text
-					@refs.text.innerHTML = @compile tokens
+				this.trigger('loaded');
 
-					@refs.text.children.for-each (e) ~>
-						if e.tag-name == \MK-URL
-							riot.mount e
+				if (this.p.text) {
+					const tokens = this.analyze(this.p.text);
 
-					# URLをプレビュー
+					this.refs.text.innerHTML = this.compile(tokens);
+
+					this.refs.text.children.forEach(e => {
+						if (e.tagName == 'MK-URL') riot.mount(e);
+					});
+
+					// URLをプレビュー
 					tokens
-						.filter (t) -> t.type == \link
-						.map (t) ~>
-							@preview = @refs.text.append-child document.create-element \mk-url-preview
-							riot.mount @preview, do
-								url: t.content
+					.filter(t => t.type == 'link')
+					.map(t => {
+						riot.mount(this.refs.text.appendChild(document.createElement('mk-url-preview')), {
+							url: t.content
+						});
+					});
+				}
 
-				# Get likes
-				@api \posts/likes do
-					post_id: @p.id
+				// Get likes
+				this.api('posts/likes', {
+					post_id: this.p.id,
 					limit: 8
-				.then (likes) ~>
-					@likes = likes
-					@update!
+				}).then(likes => {
+					this.update({
+						likes: likes
+					});
+				});
 
-				# Get reposts
-				@api \posts/reposts do
-					post_id: @p.id
+				// Get reposts
+				this.api('posts/reposts', {
+					post_id: this.p.id,
 					limit: 8
-				.then (reposts) ~>
-					@reposts = reposts
-					@update!
+				}).then(reposts => {
+					this.update({
+						reposts: reposts
+					});
+				});
 
-				# Get replies
-				@api \posts/replies do
-					post_id: @p.id
+				// Get replies
+				this.api('posts/replies', {
+					post_id: this.p.id,
 					limit: 8
-				.then (replies) ~>
-					@replies = replies
-					@update!
+				}).then(replies => {
+					this.update({
+						replies: replies
+					});
+				});
+			});
+		});
 
-		@reply = ~>
-			@open-post-form do
-				reply: @p
+		this.reply = () => {
+			riot.mount(document.body.appendChild(document.createElement('mk-post-form-window')), {
+				reply: this.p
+			});
+		};
 
-		@repost = ~>
-			text = window.prompt '「' + @summary + '」をRepost'
-			if text?
-				@api \posts/create do
-					repost_id: @p.id
-					text: if text == '' then undefined else text
+		this.repost = () => {
+			riot.mount(document.body.appendChild(document.createElement('mk-repost-form-window')), {
+				post: this.p
+			});
+		};
 
-		@like = ~>
-			if @p.is_liked
-				@api \posts/likes/delete do
-					post_id: @p.id
-				.then ~>
-					@p.is_liked = false
-					@update!
-			else
-				@api \posts/likes/create do
-					post_id: @p.id
-				.then ~>
-					@p.is_liked = true
-					@update!
+		this.like = () => {
+			if (this.p.is_liked) {
+				this.api('posts/likes/delete', {
+					post_id: this.p.id
+				}).then(() => {
+					this.p.is_liked = false;
+					this.update();
+				});
+			} else {
+				this.api('posts/likes/create', {
+					post_id: this.p.id
+				}).then(() => {
+					this.p.is_liked = true;
+					this.update();
+				});
+			}
+		};
 
-		@load-context = ~>
-			@loading-context = true
+		this.loadContext = () => {
+			this.loadingContext = true;
 
-			# Get context
-			@api \posts/context do
-				post_id: @p.reply_to_id
-			.then (context) ~>
-				@context = context.reverse!
-				@loading-context = false
-				@update!
+			// Fetch context
+			this.api('posts/context', {
+				post_id: this.p.reply_to_id
+			}).then(context => {
+				this.update({
+					loadContext: false,
+					content: context.reverse()
+				});
+			});
+		};
 	</script>
 </mk-post-detail>
diff --git a/src/web/app/mobile/tags/post-form.tag b/src/web/app/mobile/tags/post-form.tag
index 3d98a9832f..353db01540 100644
--- a/src/web/app/mobile/tags/post-form.tag
+++ b/src/web/app/mobile/tags/post-form.tag
@@ -10,7 +10,7 @@
 	</header>
 	<div class="form">
 		<mk-post-preview if={ opts.reply } post={ opts.reply }></mk-post-preview>
-		<textarea ref="text" disabled={ wait } oninput={ update } onkeypress={ onkeypress } onpaste={ onpaste } placeholder={ opts.reply ? 'この投稿への返信...' : 'いまどうしてる？' }></textarea>
+		<textarea ref="text" disabled={ wait } oninput={ update } onkeydown={ onkeydown } onpaste={ onpaste } placeholder={ opts.reply ? 'この投稿への返信...' : 'いまどうしてる？' }></textarea>
 		<div class="attaches" if={ files.length != 0 }>
 			<ul class="files" ref="attaches">
 				<li class="file" each={ files }>
@@ -182,103 +182,111 @@
 
 	</style>
 	<script>
-		get-cat = require '../../common/scripts/get-cat'
+		const getCat = require('../../common/scripts/get-cat');
 
-		@mixin \api
+		this.mixin('api');
 
-		@wait = false
-		@uploadings = []
-		@files = []
-		@poll = false
+		this.wait = false;
+		this.uploadings = [];
+		this.files = [];
+		this.poll = false;
 
-		@on \mount ~>
-			@refs.uploader.on \uploaded (file) ~>
-				@add-file file
+		this.on('mount', () => {
+			this.refs.uploader.on('uploaded', file => {
+				this.addFile(file);
+			});
 
-			@refs.uploader.on \change-uploads (uploads) ~>
-				@trigger \change-uploading-files uploads
+			this.refs.uploader.on('change-uploads', uploads => {
+				this.trigger('change-uploading-files', uploads);
+			});
 
-			@refs.text.focus!
+			this.refs.text.focus();
+		});
 
-		@onkeypress = (e) ~>
-			if (e.char-code == 10 || e.char-code == 13) && e.ctrl-key
-				@post!
-			else
-				return true
+		this.onkeydown = e => {
+			if ((e.which == 10 || e.which == 13) && (e.ctrlKey || e.metaKey)) this.post();
+		};
 
-		@onpaste = (e) ~>
-			data = e.clipboard-data
-			items = data.items
-			for i from 0 to items.length - 1
-				item = items[i]
-				switch (item.kind)
-					| \file =>
-						@upload item.get-as-file!
-			return true
+		this.onpaste = e => {
+			e.clipboardData.items.forEach(item => {
+				if (item.kind == 'file') {
+					this.upload(item.getAsFile());
+				}
+			});
+		};
 
-		@select-file = ~>
-			@refs.file.click!
+		this.selectFile = () => {
+			this.refs.file.click();
+		};
 
-		@select-file-from-drive = ~>
-			browser = document.body.append-child document.create-element \mk-drive-selector
-			browser = riot.mount browser, do
+		this.selectFileFromDrive = () => {
+			const i = riot.mount(document.body.appendChild(document.createElement('mk-drive-selector')), {
 				multiple: true
-			.0
-			browser.on \selected (files) ~>
-				files.for-each @add-file
+			})[0];
+			i.one('selected', files => {
+				files.forEach(this.addFile);
+			});
+		};
 
-		@change-file = ~>
-			files = @refs.file.files
-			for i from 0 to files.length - 1
-				file = files.item i
-				@upload file
+		this.changeFile = () => {
+			this.refs.file.files.forEach(this.upload);
+		};
 
-		@upload = (file) ~>
-			@refs.uploader.upload file
+		this.upload = file => {
+			this.refs.uploader.upload(file);
+		};
 
-		@add-file = (file) ~>
-			file._remove = ~>
-				@files = @files.filter (x) -> x.id != file.id
-				@trigger \change-files @files
-				@update!
+		this.addFile = file => {
+			file._remove = () => {
+				this.files = this.files.filter(x => x.id != file.id);
+				this.trigger('change-files', this.files);
+				this.update();
+			};
 
-			@files.push file
-			@trigger \change-files @files
-			@update!
+			this.files.push(file);
+			this.trigger('change-files', this.files);
+			this.update();
+		};
 
-		@add-poll = ~>
-			@poll = true
+		this.addPoll = () => {
+			this.poll = true;
+		};
 
-		@on-poll-destroyed = ~>
-			@update do
+		this.onPollDestroyed = () => {
+			this.update({
 				poll: false
+			});
+		};
 
-		@post = ~>
-			@wait = true
+		this.post = () => {
+			this.wait = true;
 
-			files = if @files? and @files.length > 0
-				then @files.map (f) -> f.id
-				else undefined
+			const files = this.files && this.files.length > 0
+				? this.files.map(f => f.id)
+				: undefined;
 
-			@api \posts/create do
-				text: @refs.text.value
-				media_ids: files
-				reply_to_id: if @opts.reply? then @opts.reply.id else undefined
-				poll: if @poll then @refs.poll.get! else undefined
-			.then (data) ~>
-				@trigger \post
-				@unmount!
-			.catch (err) ~>
-				console.error err
-				#@opts.ui.trigger \notification 'Error!'
-				@wait = false
-				@update!
+			this.api('posts/create', {
+				text: this.refs.text.value,
+				media_ids: files,
+				reply_to_id: this.inReplyToPost ? this.inReplyToPost.id : undefined,
+				poll: this.poll ? this.refs.poll.get() : undefined
+			}).then(data => {
+				this.trigger('post');
+				this.unmount();
+			}).catch(err => {
+				this.update({
+					wait: false
+				});
+			});
+		};
 
-		@cancel = ~>
-			@trigger \cancel
-			@unmount!
+		this.cancel = () => {
+			this.trigger('cancel');
+			this.unmount();
+		};
 
-		@cat = ~>
-			@refs.text.value = @refs.text.value + get-cat!
+		this.cat = () => {
+			this.refs.text.value += getCat();
+		};
 	</script>
 </mk-post-form>
diff --git a/src/web/app/mobile/tags/post-preview.tag b/src/web/app/mobile/tags/post-preview.tag
index d86ca86df6..aa1d5f9b29 100644
--- a/src/web/app/mobile/tags/post-preview.tag
+++ b/src/web/app/mobile/tags/post-preview.tag
@@ -90,5 +90,5 @@
 							color #717171
 
 	</style>
-	<script>@post = @opts.post</script>
+	<script>this.post = this.opts.post</script>
 </mk-post-preview>
diff --git a/src/web/app/mobile/tags/search-posts.tag b/src/web/app/mobile/tags/search-posts.tag
index 18d538c327..b0efe14636 100644
--- a/src/web/app/mobile/tags/search-posts.tag
+++ b/src/web/app/mobile/tags/search-posts.tag
@@ -7,26 +7,30 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@max = 30
-		@offset = 0
+		this.max = 30;
+		this.offset = 0;
 
-		@query = @opts.query
-		@with-media = @opts.with-media
+		this.query = this.opts.query;
+		this.withMedia = this.opts.withMedia;
 
-		@init = new Promise (res, rej) ~>
-			@api \posts/search do
-				query: @query
-			.then (posts) ~>
-				res posts
-				@trigger \loaded
+		this.init = new Promise((res, rej) => {
+			this.api('posts/search', {
+				query: this.query
+			}).then(posts => {
+				res(posts);
+				this.trigger('loaded');
+			});
+		});
 
-		@more = ~>
-			@offset += @max
-			@api \posts/search do
-				query: @query
-				max: @max
-				offset: @offset
+		this.more = () => {
+			this.offset += this.max;
+			this.api('posts/search', {
+				query: this.query,
+				max: this.max,
+				offset: this.offset
+			});
+		};
 	</script>
 </mk-search-posts>
diff --git a/src/web/app/mobile/tags/search.tag b/src/web/app/mobile/tags/search.tag
index 3cca973a26..831e5a3e34 100644
--- a/src/web/app/mobile/tags/search.tag
+++ b/src/web/app/mobile/tags/search.tag
@@ -3,13 +3,14 @@
 	<style>
 		:scope
 			display block
-
 	</style>
 	<script>
-		@query = @opts.query
+		this.query = this.opts.query;
 
-		@on \mount ~>
-			@refs.posts.on \loaded ~>
-				@trigger \loaded
+		this.on('mount', () => {
+			this.refs.posts.on('loaded', () => {
+				this.trigger('loaded');
+			});
+		});
 	</script>
 </mk-search>
diff --git a/src/web/app/mobile/tags/stream-indicator.tag b/src/web/app/mobile/tags/stream-indicator.tag
deleted file mode 100644
index d2ab34574d..0000000000
--- a/src/web/app/mobile/tags/stream-indicator.tag
+++ /dev/null
@@ -1,54 +0,0 @@
-<mk-stream-indicator>
-	<p if={ state == 'initializing' }><i class="fa fa-spinner fa-spin"></i><span>接続中
-			<mk-ellipsis></mk-ellipsis></span></p>
-	<p if={ state == 'reconnecting' }><i class="fa fa-spinner fa-spin"></i><span>切断されました 接続中
-			<mk-ellipsis></mk-ellipsis></span></p>
-	<p if={ state == 'connected' }><i class="fa fa-check"></i><span>接続完了</span></p>
-	<style>
-		:scope
-			display block
-			pointer-events none
-			position fixed
-			z-index 16384
-			bottom 8px
-			right 8px
-			margin 0
-			padding 6px 12px
-			font-size 0.9em
-			color #fff
-			background rgba(0, 0, 0, 0.8)
-
-			> p
-				display block
-				margin 0
-
-				> i
-					margin-right 0.25em
-
-	</style>
-	<script>
-		@mixin \stream
-
-		@on \before-mount ~>
-			@state = @get-stream-state!
-
-			if @state == \connected
-				@root.style.opacity = 0
-
-		@stream-state-ev.on \connected ~>
-			@state = @get-stream-state!
-			@update!
-			set-timeout ~>
-				Velocity @root, {
-					opacity: 0
-				} 200ms \linear
-			, 1000ms
-
-		@stream-state-ev.on \closed ~>
-			@state = @get-stream-state!
-			@update!
-			Velocity @root, {
-				opacity: 1
-			} 0ms
-	</script>
-</mk-stream-indicator>
diff --git a/src/web/app/mobile/tags/sub-post-content.tag b/src/web/app/mobile/tags/sub-post-content.tag
index 2256bb3486..5ff01c5020 100644
--- a/src/web/app/mobile/tags/sub-post-content.tag
+++ b/src/web/app/mobile/tags/sub-post-content.tag
@@ -28,17 +28,19 @@
 
 	</style>
 	<script>
-		@mixin \text
+		this.mixin('text');
 
-		@post = @opts.post
+		this.post = this.opts.post;
 
-		@on \mount ~>
-			if @post.text?
-				tokens = @analyze @post.text
-				@refs.text.innerHTML = @compile tokens, false
+		this.on('mount', () => {
+			if (this.post.text) {
+				const tokens = this.analyze(this.post.text);
+				this.refs.text.innerHTML = this.compile(tokens, false);
 
-				@refs.text.children.for-each (e) ~>
-					if e.tag-name == \MK-URL
-						riot.mount e
+				this.refs.text.children.forEach(e => {
+					if (e.tagName == 'MK-URL') riot.mount(e);
+				});
+			}
+		});
 	</script>
 </mk-sub-post-content>
diff --git a/src/web/app/mobile/tags/timeline-post-sub.tag b/src/web/app/mobile/tags/timeline-post-sub.tag
index 8ffe84bbc9..5a944db733 100644
--- a/src/web/app/mobile/tags/timeline-post-sub.tag
+++ b/src/web/app/mobile/tags/timeline-post-sub.tag
@@ -97,5 +97,5 @@
 								font-size 80%
 
 	</style>
-	<script>@post = @opts.post</script>
+	<script>this.post = this.opts.post</script>
 </mk-timeline-post-sub>
diff --git a/src/web/app/mobile/tags/timeline-post.tag b/src/web/app/mobile/tags/timeline-post.tag
index 9ffa2c918c..8662eadb8c 100644
--- a/src/web/app/mobile/tags/timeline-post.tag
+++ b/src/web/app/mobile/tags/timeline-post.tag
@@ -3,10 +3,19 @@
 		<mk-timeline-post-sub post={ p.reply_to }></mk-timeline-post-sub>
 	</div>
 	<div class="repost" if={ isRepost }>
-		<p><a class="avatar-anchor" href={ CONFIG.url + '/' + post.user.username }><img class="avatar" src={ post.user.avatar_url + '?thumbnail&size=64' } alt="avatar"/></a><i class="fa fa-retweet"></i><a class="name" href={ CONFIG.url + '/' + post.user.username }>{ post.user.name }</a>がRepost</p>
+		<p>
+			<a class="avatar-anchor" href={ CONFIG.url + '/' + post.user.username }>
+				<img class="avatar" src={ post.user.avatar_url + '?thumbnail&size=64' } alt="avatar"/>
+			</a>
+			<i class="fa fa-retweet"></i>
+			<a class="name" href={ CONFIG.url + '/' + post.user.username }>{ post.user.name }</a>がRepost
+		</p>
 		<mk-time time={ post.created_at }></mk-time>
 	</div>
-	<article><a class="avatar-anchor" href={ CONFIG.url + '/' + p.user.username }><img class="avatar" src={ p.user.avatar_url + '?thumbnail&size=96' } alt="avatar"/></a>
+	<article>
+		<a class="avatar-anchor" href={ CONFIG.url + '/' + p.user.username }>
+			<img class="avatar" src={ p.user.avatar_url + '?thumbnail&size=96' } alt="avatar"/>
+		</a>
 		<div class="main">
 			<header>
 				<a class="name" href={ CONFIG.url + '/' + p.user.username }>{ p.user.name }</a>
@@ -286,62 +295,70 @@
 
 	</style>
 	<script>
-		@mixin \api
-		@mixin \text
-		@mixin \get-post-summary
-		@mixin \open-post-form
+		this.mixin('api');
+		this.mixin('text');
+		this.mixin('get-post-summary');
+		this.mixin('open-post-form');
 
-		@post = @opts.post
-		@is-repost = @post.repost? and !@post.text?
-		@p = if @is-repost then @post.repost else @post
-		@summary = @get-post-summary @p
-		@url = CONFIG.url + '/' + @p.user.username + '/' + @p.id
+		this.post = this.opts.post;
+		this.isRepost = this.post.repost != null && this.post.text == null;
+		this.p = this.isRepost ? this.post.repost : this.post;
+		this.summary = this.getPostSummary(this.p);
+		this.url = CONFIG.url + '/' + this.p.user.username + '/' + this.p.id
 
-		@on \mount ~>
-			if @p.text?
-				tokens = if @p._highlight?
-					then @analyze @p._highlight
-					else @analyze @p.text
+		this.on('mount', () => {
+			if (this.p.text) {
+				const tokens = this.analyze(this.p.text);
 
-				@refs.text.innerHTML = @refs.text.innerHTML.replace '<p class="dummy"></p>' if @p._highlight?
-					then @compile tokens, true, false
-					else @compile tokens
+				this.refs.text.innerHTML = this.refs.text.innerHTML.replace('<p class="dummy"></p>', this.compile(tokens));
 
-				@refs.text.children.for-each (e) ~>
-					if e.tag-name == \MK-URL
-						riot.mount e
+				this.refs.text.children.forEach(e => {
+					if (e.tagName == 'MK-URL') riot.mount(e);
+				});
 
-				# URLをプレビュー
+				// URLをプレビュー
 				tokens
-					.filter (t) -> t.type == \link
-					.map (t) ~>
-						@preview = @refs.text.append-child document.create-element \mk-url-preview
-						riot.mount @preview, do
-							url: t.content
+				.filter(t => t.type == 'link')
+				.map(t => {
+					riot.mount(this.refs.text.appendChild(document.createElement('mk-url-preview')), {
+						url: t.content
+					});
+				});
+			}
+		});
 
-		@reply = ~>
-			@open-post-form do
-				reply: @p
+		this.reply = () => {
+			this.openPostForm({
+				reply: this.p
+			});
+		};
 
-		@repost = ~>
-			text = window.prompt '「' + @summary + '」をRepost'
-			if text?
-				@api \posts/create do
-					repost_id: @p.id
-					text: if text == '' then undefined else text
+		this.repost = () => {
+			const text = window.prompt(`「${this.summary}」をRepost`);
+			if (text) {
+				this.api('posts/create', {
+					repost_id: this.p.id,
+					text: text == '' ? undefined : text
+				});
+			}
+		};
 
-		@like = ~>
-			if @p.is_liked
-				@api \posts/likes/delete do
-					post_id: @p.id
-				.then ~>
-					@p.is_liked = false
-					@update!
-			else
-				@api \posts/likes/create do
-					post_id: @p.id
-				.then ~>
-					@p.is_liked = true
-					@update!
+		this.like = () => {
+			if (this.p.is_liked) {
+				this.api('posts/likes/delete', {
+					post_id: this.p.id
+				}).then(() => {
+					this.p.is_liked = false;
+					this.update();
+				});
+			} else {
+				this.api('posts/likes/create', {
+					post_id: this.p.id
+				}).then(() => {
+					this.p.is_liked = true;
+					this.update();
+				});
+			}
+		};
 	</script>
 </mk-timeline-post>
diff --git a/src/web/app/mobile/tags/timeline.tag b/src/web/app/mobile/tags/timeline.tag
index c41016076e..421917d834 100644
--- a/src/web/app/mobile/tags/timeline.tag
+++ b/src/web/app/mobile/tags/timeline.tag
@@ -74,45 +74,58 @@
 
 	</style>
 	<script>
-		@posts = []
-		@init = true
-		@fetching = false
-		@can-fetch-more = true
+		this.posts = [];
+		this.init = true;
+		this.fetching = false;
+		this.canFetchMore = true;
 
-		@on \mount ~>
-			@opts.init.then (posts) ~>
-				@init = false
-				@set-posts posts
+		this.on('mount', () => {
+			this.opts.init.then(posts => {
+				this.init = false;
+				this.setPosts(posts);
+			});
+		});
 
-		@on \update ~>
-			@posts.for-each (post) ~>
-				date = (new Date post.created_at).get-date!
-				month = (new Date post.created_at).get-month! + 1
-				post._date = date
-				post._datetext = month + '月 ' + date + '日'
+		this.on('update', () => {
+			this.posts.forEach(post => {
+				const date = new Date(post.created_at).getDate();
+				const month = new Date(post.created_at).getMonth() + 1;
+				post._date = date;
+				post._datetext = `${month}月 ${date}日`;
+			});
+		});
 
-		@more = ~>
-			if @init or @fetching or @posts.length == 0 then return
-			@fetching = true
-			@update!
-			@opts.more!.then (posts) ~>
-				@fetching = false
-				@prepend-posts posts
+		this.more = () => {
+			if (this.init || this.fetching || this.posts.length == 0) return;
+			this.update({
+				fetching: true
+			});
+			this.opts.more().then(posts => {
+				this.fetching = false;
+				this.prependPosts(posts);
+			});
+		};
 
-		@set-posts = (posts) ~>
-			@posts = posts
-			@update!
+		this.setPosts = posts => {
+			this.update({
+				posts: posts
+			});
+		};
 
-		@prepend-posts = (posts) ~>
-			posts.for-each (post) ~>
-				@posts.push post
-				@update!
+		this.prependPosts = posts => {
+			posts.forEach(post => {
+				this.posts.push(post);
+				this.update();
+			});
+		}
 
-		@add-post = (post) ~>
-			@posts.unshift post
-			@update!
+		this.addPost = post => {
+			this.posts.unshift(post);
+			this.update();
+		};
 
-		@tail = ~>
-			@posts[@posts.length - 1]
+		this.tail = () => {
+			return this.posts[this.posts.length - 1];
+		};
 	</script>
 </mk-timeline>
diff --git a/src/web/app/mobile/tags/ui-header.tag b/src/web/app/mobile/tags/ui-header.tag
index d47c3610f9..30259ba911 100644
--- a/src/web/app/mobile/tags/ui-header.tag
+++ b/src/web/app/mobile/tags/ui-header.tag
@@ -13,7 +13,7 @@
 			$height = 48px
 
 			display block
-			position fixed
+			position sticky
 			top 0
 			z-index 1024
 			width 100%
@@ -88,17 +88,15 @@
 
 	</style>
 	<script>
-		@mixin \ui
-		@mixin \open-post-form
+		this.mixin('ui');
+		this.mixin('open-post-form');
 
-		@on \mount ~>
-			@opts.ready!
+		this.ui.on('title', title => {
+			if (this.refs.title) this.refs.title.innerHTML = title;
+		});
 
-		@ui.on \title (title) ~>
-			if @refs.title?
-				@refs.title.innerHTML = title
-
-		@post = ~>
-			@open-post-form!
+		this.post = () => {
+			this.openPostForm();
+		};
 	</script>
 </mk-ui-header>
diff --git a/src/web/app/mobile/tags/ui-nav.tag b/src/web/app/mobile/tags/ui-nav.tag
index a5dbd4cbaf..23d07efdc4 100644
--- a/src/web/app/mobile/tags/ui-nav.tag
+++ b/src/web/app/mobile/tags/ui-nav.tag
@@ -117,15 +117,13 @@
 
 	</style>
 	<script>
-		@mixin \i
-		@mixin \page
+		this.mixin('i');
+		this.mixin('page');
 
-		@on \mount ~>
-			@opts.ready!
-
-		@search = ~>
-			query = window.prompt \検索
-			if query? and query != ''
-				@page '/search:' + query
+		this.search = () => {
+			const query = window.prompt('検索');
+			if (query == null || query == '') return;
+			this.page('/search:' + query);
+		};
 	</script>
 </mk-ui-nav>
diff --git a/src/web/app/mobile/tags/ui.tag b/src/web/app/mobile/tags/ui.tag
index c3ffe90978..3b3c6823d0 100644
--- a/src/web/app/mobile/tags/ui.tag
+++ b/src/web/app/mobile/tags/ui.tag
@@ -1,7 +1,7 @@
 <mk-ui>
 	<div class="global" ref="global">
-		<mk-ui-header ref="header" ready={ ready }></mk-ui-header>
-		<mk-ui-nav ref="nav" ready={ ready }></mk-ui-nav>
+		<mk-ui-header ref="header"></mk-ui-header>
+		<mk-ui-nav ref="nav"></mk-ui-nav>
 		<div class="content" ref="main"><yield /></div>
 	</div>
 	<mk-stream-indicator></mk-stream-indicator>
@@ -14,38 +14,27 @@
 					background #fff
 	</style>
 	<script>
-		@mixin \stream
+		this.mixin('stream');
 
-		@ready-count = 0
-		@is-drawer-opening = false
+		this.isDrawerOpening = false;
 
-		#@ui.on \notification (text) ~>
-		#	alert text
+		this.on('mount', () => {
+			this.stream.on('notification', this.onStreamNotification);
+		});
 
-		@on \mount ~>
-			@stream.on \notification @on-stream-notification
-			@ready!
+		this.on('unmount', () => {
+			this.stream.off('notification', this.onStreamNotification);
+		});
 
-		@on \unmount ~>
-			@stream.off \notification @on-stream-notification
+		this.toggleDrawer = () => {
+			this.isDrawerOpening = !this.isDrawerOpening;
+			this.refs.nav.root.style.display = this.isDrawerOpening ? 'block' : 'none';
+		};
 
-		@ready = ~>
-			@ready-count++
-
-			if @ready-count == 2
-				@init-view-position!
-
-		@init-view-position = ~>
-			top = @refs.header.root.offset-height
-			@refs.main.style.padding-top = top + \px
-
-		@toggle-drawer = ~>
-			@is-drawer-opening = !@is-drawer-opening
-			@refs.nav.root.style.display = if @is-drawer-opening then \block else \none
-
-		@on-stream-notification = (notification) ~>
-			el = document.body.append-child document.create-element \mk-notify
-			riot.mount el, do
+		this.onStreamNotification = notification => {
+			riot.mount(document.body.appendChild(document.createElement('mk-notify')), {
 				notification: notification
+			});
+		};
 	</script>
 </mk-ui>
diff --git a/src/web/app/mobile/tags/user-followers.tag b/src/web/app/mobile/tags/user-followers.tag
index f328ab61de..e939da6c6e 100644
--- a/src/web/app/mobile/tags/user-followers.tag
+++ b/src/web/app/mobile/tags/user-followers.tag
@@ -6,20 +6,23 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@user = @opts.user
+		this.user = this.opts.user;
 
-		@fetch = (iknow, limit, cursor, cb) ~>
-			@api \users/followers do
-				user_id: @user.id
-				iknow: iknow
-				limit: limit
-				cursor: if cursor? then cursor else undefined
-			.then cb
+		this.fetch = (iknow, limit, cursor, cb) => {
+			this.api('users/followers', {
+				user_id: this.user.id,
+				iknow: iknow,
+				limit: limit,
+				cursor: cursor ? cursor : undefined
+			}).then(cb);
+		};
 
-		@on \mount ~>
-			@refs.list.on \loaded ~>
-				@trigger \loaded
+		this.on('mount', () => {
+			this.refs.list.on('loaded', () => {
+				this.trigger('loaded');
+			});
+		});
 	</script>
 </mk-user-followers>
diff --git a/src/web/app/mobile/tags/user-following.tag b/src/web/app/mobile/tags/user-following.tag
index 29f3680b65..778eb08e1c 100644
--- a/src/web/app/mobile/tags/user-following.tag
+++ b/src/web/app/mobile/tags/user-following.tag
@@ -6,20 +6,23 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@user = @opts.user
+		this.user = this.opts.user;
 
-		@fetch = (iknow, limit, cursor, cb) ~>
-			@api \users/following do
-				user_id: @user.id
-				iknow: iknow
-				limit: limit
-				cursor: if cursor? then cursor else undefined
-			.then cb
+		this.fetch = (iknow, limit, cursor, cb) => {
+			this.api('users/following', {
+				user_id: this.user.id,
+				iknow: iknow,
+				limit: limit,
+				cursor: cursor ? cursor : undefined
+			}).then(cb);
+		};
 
-		@on \mount ~>
-			@refs.list.on \loaded ~>
-				@trigger \loaded
+		this.on('mount', () => {
+			this.refs.list.on('loaded', () => {
+				this.trigger('loaded');
+			});
+		});
 	</script>
 </mk-user-following>
diff --git a/src/web/app/mobile/tags/user-preview.tag b/src/web/app/mobile/tags/user-preview.tag
index 2e600a8171..09cfeb49e7 100644
--- a/src/web/app/mobile/tags/user-preview.tag
+++ b/src/web/app/mobile/tags/user-preview.tag
@@ -85,5 +85,5 @@
 						color #717171
 
 	</style>
-	<script>@user = @opts.user</script>
+	<script>this.user = this.opts.user</script>
 </mk-user-preview>
diff --git a/src/web/app/mobile/tags/user-timeline.tag b/src/web/app/mobile/tags/user-timeline.tag
index 9646dda9e7..fb316dbdf9 100644
--- a/src/web/app/mobile/tags/user-timeline.tag
+++ b/src/web/app/mobile/tags/user-timeline.tag
@@ -9,23 +9,27 @@
 
 	</style>
 	<script>
-		@mixin \api
+		this.mixin('api');
 
-		@user = @opts.user
-		@with-media = @opts.with-media
+		this.user = this.opts.user;
+		this.withMedia = this.opts.withMedia;
 
-		@init = new Promise (res, rej) ~>
-			@api \users/posts do
-				user_id: @user.id
-				with_media: @with-media
-			.then (posts) ~>
-				res posts
-				@trigger \loaded
+		this.init = new Promise((res, rej) => {
+			this.api('users/posts', {
+				user_id: this.user.id,
+				with_media: this.withMedia
+			}).then(posts => {
+				res(posts);
+				this.trigger('loaded');
+			});
+		});
 
-		@more = ~>
-			@api \users/posts do
-				user_id: @user.id
-				with_media: @with-media
-				max_id: @refs.timeline.tail!.id
+		this.more = () => {
+			this.api('users/posts', {
+				user_id: this.user.id,
+				with_media: this.withMedia,
+				max_id: this.refs.timeline.tail().id
+			});
+		};
 	</script>
 </mk-user-timeline>
diff --git a/src/web/app/mobile/tags/user.tag b/src/web/app/mobile/tags/user.tag
index 37900bb617..9d95e99144 100644
--- a/src/web/app/mobile/tags/user.tag
+++ b/src/web/app/mobile/tags/user.tag
@@ -3,20 +3,43 @@
 		<header>
 			<div class="banner" style={ user.banner_url ? 'background-image: url(' + user.banner_url + '?thumbnail&size=1024)' : '' }></div>
 			<div class="body">
-				<div class="top"><a class="avatar"><img src={ user.avatar_url + '?thumbnail&size=160' } alt="avatar"/></a>
+				<div class="top">
+					<a class="avatar">
+						<img src={ user.avatar_url + '?thumbnail&size=160' } alt="avatar"/>
+					</a>
 					<mk-follow-button if={ SIGNIN && I.id != user.id } user={ user }></mk-follow-button>
 				</div>
 				<div class="title">
-					<h1>{ user.name }</h1><span class="username">@{ user.username }</span><span class="followed" if={ user.is_followed }>フォローされています</span>
+					<h1>{ user.name }</h1>
+					<span class="username">@{ user.username }</span>
+					<span class="followed" if={ user.is_followed }>フォローされています</span>
 				</div>
 				<div class="bio">{ user.bio }</div>
 				<div class="info">
-					<p class="location" if={ user.location }><i class="fa fa-map-marker"></i>{ user.location }</p>
-					<p class="birthday" if={ user.birthday }><i class="fa fa-birthday-cake"></i>{ user.birthday.replace('-', '年').replace('-', '月') + '日' } ({ age(user.birthday) }歳)</p>
+					<p class="location" if={ user.location }>
+						<i class="fa fa-map-marker"></i>{ user.location }
+					</p>
+					<p class="birthday" if={ user.birthday }>
+						<i class="fa fa-birthday-cake"></i>{ user.birthday.replace('-', '年').replace('-', '月') + '日' } ({ age(user.birthday) }歳)
+					</p>
+				</div>
+				<div class="friends">
+					<a href="{ user.username }/following">
+						<b>{ user.following_count }</b>
+						<i>フォロー</i>
+					</a>
+					<a href="{ user.username }/followers">
+						<b>{ user.followers_count }</b>
+						<i>フォロワー</i>
+					</a>
 				</div>
-				<div class="friends"><a href="{ user.username }/following"><b>{ user.following_count }</b><i>フォロー</i></a><a href="{ user.username }/followers"><b>{ user.followers_count }</b><i>フォロワー</i></a></div>
 			</div>
-			<nav><a data-is-active={ page == 'posts' } onclick={ goPosts }>投稿</a><a data-is-active={ page == 'media' } onclick={ goMedia }>メディア</a><a data-is-active={ page == 'graphs' } onclick={ goGraphs }>グラフ</a><a data-is-active={ page == 'likes' } onclick={ goLikes }>いいね</a></nav>
+			<nav>
+				<a data-is-active={ page == 'posts' } onclick={ go.bind(null, 'posts') }>投稿</a>
+				<a data-is-active={ page == 'media' } onclick={ go.bind(null, 'media') }>メディア</a>
+				<a data-is-active={ page == 'graphs' } onclick={ go.bind(null, 'graphs') }>グラフ</a>
+				<a data-is-active={ page == 'likes' } onclick={ go.bind(null, 'likes') }>いいね</a>
+			</nav>
 		</header>
 		<div class="body">
 			<mk-user-timeline if={ page == 'posts' } user={ user }></mk-user-timeline>
@@ -154,38 +177,30 @@
 
 	</style>
 	<script>
-		@age = require \s-age
+		this.age = require('s-age');
 
-		@mixin \i
-		@mixin \api
+		this.mixin('i');
+		this.mixin('api');
 
-		@username = @opts.user
-		@page = if @opts.page? then @opts.page else \posts
-		@fetching = true
+		this.username = this.opts.user;
+		this.page = this.opts.page ? this.opts.page : 'posts';
+		this.fetching = true;
 
-		@on \mount ~>
-			@api \users/show do
-				username: @username
-			.then (user) ~>
-				@fetching = false
-				@user = user
-				@trigger \loaded user
-				@update!
+		this.on('mount', () => {
+			this.api('users/show', {
+				username: this.username
+			}).then(user => {
+				this.fetching = false;
+				this.user = user;
+				this.trigger('loaded', user);
+				this.update();
+			});
+		});
 
-		@go-posts = ~>
-			@page = \posts
-			@update!
-
-		@go-media = ~>
-			@page = \media
-			@update!
-
-		@go-graphs = ~>
-			@page = \graphs
-			@update!
-
-		@go-likes = ~>
-			@page = \likes
-			@update!
+		this.go = page => {
+			this.update({
+				page: page
+			});
+		};
 	</script>
 </mk-user>
diff --git a/src/web/app/mobile/tags/users-list.tag b/src/web/app/mobile/tags/users-list.tag
index a45d2a9e07..82dfa3df45 100644
--- a/src/web/app/mobile/tags/users-list.tag
+++ b/src/web/app/mobile/tags/users-list.tag
@@ -70,47 +70,50 @@
 
 	</style>
 	<script>
-		@mixin \i
+		this.mixin('i');
 
-		@limit = 30users
-		@mode = \all
+		this.limit = 30;
+		this.mode = 'all';
 
-		@fetching = true
-		@more-fetching = false
+		this.fetching = true;
+		this.moreFetching = false;
 
-		@on \mount ~>
-			@fetch ~>
-				@trigger \loaded
+		this.on('mount', () => {
+			this.fetch(() => this.trigger('loaded'));
+		});
 
-		@fetch = (cb) ~>
-			@fetching = true
-			@update!
-			obj <~ @opts.fetch do
-				@mode == \iknow
-				@limit
-				null
-			@users = obj.users
-			@next = obj.next
-			@fetching = false
-			@update!
-			if cb? then cb!
+		this.fetch = cb => {
+			this.update({
+				fetching: true
+			});
+			this.opts.fetch(this.mode == 'iknow', this.limit, null, obj => {
+				this.update({
+					fetching: false,
+					users: obj.users,
+					next: obj.next
+				});
+				if (cb) cb();
+			});
+		};
 
-		@more = ~>
-			@more-fetching = true
-			@update!
-			obj <~ @opts.fetch do
-				@mode == \iknow
-				@limit
-				@cursor
-			@users = @users.concat obj.users
-			@next = obj.next
-			@more-fetching = false
-			@update!
+		this.more = () => {
+			this.update({
+				moreFetching: true
+			});
+			this.opts.fetch(this.mode == 'iknow', this.limit, this.cursor, obj => {
+				this.update({
+					moreFetching: false,
+					users: this.users.concat(obj.users),
+					next: obj.next
+				});
+			});
+		};
 
-		@set-mode = (mode) ~>
-			@update do
+		this.setMode = mode => {
+			this.update({
 				mode: mode
-
-			@fetch!
+			});
+			this.fetch();
+		};
 	</script>
 </mk-users-list>
diff --git a/webpack.config.ts b/webpack.config.ts
index 195c433a99..66d4eb2e13 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -31,7 +31,6 @@ module.exports = (config, commit, env) => {
 					loader: 'riot-tag-loader',
 					query: {
 						hot: false,
-						type: 'livescript',
 						style: 'stylus',
 						expr: false,
 						compact: true,