diff --git a/src/web/app/common/tags/uploader.tag b/src/web/app/common/tags/uploader.tag
index f6e99892a..51520d9ab 100644
--- a/src/web/app/common/tags/uploader.tag
+++ b/src/web/app/common/tags/uploader.tag
@@ -142,54 +142,57 @@
 	<script>
 		this.mixin('i');
 
-		this.uploads = []
+		this.uploads = [];
 
-		
 		this.upload = (file, folder) => {
-			id = Math.random!
+			const id = Math.random();
 
-			ctx =
-				id: id
-				name: file.name || 'untitled' 
+			const ctx = {
+				id: id,
+				name: file.name || 'untitled',
 				progress: undefined
+			};
 
-			@uploads.push ctx
-			this.trigger 'change-uploads' @uploads
+			this.uploads.push(ctx);
+			this.trigger('change-uploads', this.uploads);
 			this.update();
 
-			reader = new FileReader!
-			reader.onload = (e) =>
-				ctx.img = e.target.result
+			const reader = new FileReader();
+			reader.onload = e => {
+				ctx.img = e.target.result;
 				this.update();
-			reader.read-as-data-URL file
+			};
+			reader.readAsDataURL(file);
 
-			data = new FormData!
-			data.append 'i' this.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);
 
-				this.trigger 'uploaded' drive-file
+				this.trigger('uploaded', driveFile);
 
-				this.uploads = @uploads.filter (x) -> x.id != id
-				this.trigger 'change-uploads' @uploads
+				this.uploads = this.uploads.filter(x => x.id != id);
+				this.trigger('change-uploads', this.uploads);
 
 				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
+			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/desktop/tags/drive/browser.tag b/src/web/app/desktop/tags/drive/browser.tag
index 51c26943a..1c6ed53ca 100644
--- a/src/web/app/desktop/tags/drive/browser.tag
+++ b/src/web/app/desktop/tags/drive/browser.tag
@@ -238,6 +238,8 @@
 
 	</style>
 	<script>
+		const contains = require('../../../common/scripts/contains');
+
 		this.mixin('api');
 		this.mixin('dialog');
 		this.mixin('input-dialog');
@@ -253,67 +255,70 @@
 		// * null でルートを表す
 		this.folder = null;
 
-		this.multiple = if this.opts.multiple? then this.opts.multiple else false
+		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.is-drag-source = false;
+		this.isDragSource = false;
 
 		this.on('mount', () => {
-			this.refs.uploader.on('uploaded', (file) => {
-				@add-file file, true
+			this.refs.uploader.on('uploaded', file => {
+				this.addFile(file, true);
+			});
 
-			this.refs.uploader.on('change-uploads', (uploads) => {
-				this.uploads = uploads
-				this.update();
+			this.refs.uploader.on('change-uploads', uploads => {
+				this.update({
+					uploads: uploads
+				});
+			});
 
-			this.stream.on 'drive_file_created' this.on-stream-drive-file-created
-			this.stream.on 'drive_file_updated' this.on-stream-drive-file-updated
-			this.stream.on 'drive_folder_created' this.on-stream-drive-folder-created
-			this.stream.on 'drive_folder_updated' this.on-stream-drive-folder-updated
+			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? and this.opts.folder != ''
-				@move this.opts.folder
+				this.move this.opts.folder
 			else
-				@load!
+				this.load();
 
 		this.on('unmount', () => {
-			this.stream.off 'drive_file_created' this.on-stream-drive-file-created
-			this.stream.off 'drive_file_updated' this.on-stream-drive-file-updated
-			this.stream.off 'drive_folder_created' this.on-stream-drive-folder-created
-			this.stream.off 'drive_folder_updated' this.on-stream-drive-folder-updated
+			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.on-stream-drive-file-created = (file) => {
-			@add-file file, true
+		this.onStreamDriveFileCreated = (file) => {
+			this.addFile file, true
 
-		this.on-stream-drive-file-updated = (file) => {
+		this.onStreamDriveFileUpdated = (file) => {
 			current = if this.folder? then this.folder.id else null
 			if current != file.folder_id
 				@remove-file file
 			else
-				@add-file file, true
+				this.addFile file, true
 
-		this.on-stream-drive-folder-created = (folder) => {
-			@add-folder folder, true
+		this.onStreamDriveFolderCreated = (folder) => {
+			this.addFolder folder, true
 
-		this.on-stream-drive-folder-updated = (folder) => {
+		this.onStreamDriveFolderUpdated = (folder) => {
 			current = if this.folder? then this.folder.id else null
 			if current != folder.parent_id
-				@remove-folder folder
+				this.removeFolder folder
 			else
-				@add-folder folder, true
+				this.addFolder folder, true
 
 		this.onmousedown = (e) => {
 			if (contains this.refs.folders-container, e.target) or (contains this.refs.files-container, e.target)
 				return true
 
-			rect = this.refs.main.get-bounding-client-rect!
+			rect = this.refs.main.getBoundingClientRect();
 
 			left = e.pageX + this.refs.main.scroll-left - rect.left - window.pageXOffset
 			top = e.pageY + this.refs.main.scroll-top - rect.top - window.pageYOffset
@@ -341,13 +346,13 @@
 					this.refs.selection.style.top = cursorY + 'px' 
 
 			up = (e) =>
-				document.document-element.removeEventListener 'mousemove' move
-				document.document-element.removeEventListener 'mouseup' up
+				document.documentElement.removeEventListener 'mousemove' move
+				document.documentElement.removeEventListener 'mouseup' up
 
 				this.refs.selection.style.display = 'none' 
 
-			document.document-element.addEventListener 'mousemove' move
-			document.document-element.addEventListener 'mouseup' up
+			document.documentElement.addEventListener 'mousemove' move
+			document.documentElement.addEventListener 'mouseup' up
 
 		this.path-oncontextmenu = (e) => {
 			e.preventDefault();
@@ -359,7 +364,7 @@
 			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 !@is-drag-source
+			if !@isDragSource
 				// 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' 
@@ -373,7 +378,7 @@
 
 		this.ondragenter = (e) => {
 			e.preventDefault();
-			if !@is-drag-source
+			if !@isDragSource
 				this.draghover = true
 
 		this.ondragleave = (e) => {
@@ -421,7 +426,7 @@
 					return false
 				if (this.folders.some (f) => f.id == folder)
 					return false
-				@remove-folder folder
+				this.removeFolder folder
 				this.api('drive/folders/update', {
 					folder_id: folder
 					parent_id: if this.folder? then this.folder.id else null
@@ -483,7 +488,7 @@
 				name: name
 				folder_id: if this.folder? then this.folder.id else undefined
 			}).then((folder) => {
-				@add-folder folder, true
+				this.addFolder folder, true
 				this.update();
 			.catch (err) =>
 				console.error err
@@ -533,7 +538,7 @@
 					x folder.parent
 
 				this.update();
-				@load!
+				this.load();
 			.catch (err, text-status) ->
 				console.error err
 
@@ -590,7 +595,7 @@
 				this.folder = null
 				this.hierarchyFolders = []
 				this.update();
-				@load!
+				this.load();
 
 		this.load = () => {
 			this.folders = []
@@ -636,20 +641,13 @@
 			complete = =>
 				if flag
 					load-folders.forEach (folder) =>
-						@add-folder folder
+						this.addFolder folder
 					load-files.forEach (file) =>
-						@add-file file
+						this.addFile file
 					this.loading = false
 					this.update();
 				else
 					flag := true
 
-		function contains(parent, child)
-			node = child.parentNode
-			while node?
-				if node == parent
-					return true
-				node = node.parentNode
-			return false
 	</script>
 </mk-drive-browser>
diff --git a/src/web/app/desktop/tags/drive/file.tag b/src/web/app/desktop/tags/drive/file.tag
index 58c6b40a4..e35d204b6 100644
--- a/src/web/app/desktop/tags/drive/file.tag
+++ b/src/web/app/desktop/tags/drive/file.tag
@@ -200,10 +200,10 @@
 
 			// 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.is-drag-source = true
+			this.browser.isDragSource = true
 
 		this.ondragend = (e) => {
 			this.is-dragging = false
-			this.browser.is-drag-source = false
+			this.browser.isDragSource = false
 	</script>
 </mk-drive-browser-file>
diff --git a/src/web/app/desktop/tags/drive/folder.tag b/src/web/app/desktop/tags/drive/folder.tag
index c9bc5d7f0..abc9368f4 100644
--- a/src/web/app/desktop/tags/drive/folder.tag
+++ b/src/web/app/desktop/tags/drive/folder.tag
@@ -155,11 +155,11 @@
 
 			// 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.is-drag-source = true
+			this.browser.isDragSource = true
 
 		this.ondragend = (e) => {
 			this.is-dragging = false
-			this.browser.is-drag-source = false
+			this.browser.isDragSource = false
 
 		this.oncontextmenu = (e) => {
 			e.preventDefault();
diff --git a/src/web/app/desktop/tags/following-setuper.tag b/src/web/app/desktop/tags/following-setuper.tag
index 6381e4d8d..03b26b10e 100644
--- a/src/web/app/desktop/tags/following-setuper.tag
+++ b/src/web/app/desktop/tags/following-setuper.tag
@@ -133,7 +133,7 @@
 		this.page = 0
 
 		this.on('mount', () => {
-			@load!
+			this.load();
 
 		this.load = () => {
 			this.loading = true
@@ -155,7 +155,7 @@
 				this.page = 0
 			else
 				this.page++
-			@load!
+			this.load();
 
 		this.close = () => {
 			this.unmount();
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 042e3ea20..3ebbf6a1e 100644
--- a/src/web/app/desktop/tags/home-widgets/photo-stream.tag
+++ b/src/web/app/desktop/tags/home-widgets/photo-stream.tag
@@ -64,7 +64,7 @@
 		this.initializing = true
 
 		this.on('mount', () => {
-			this.stream.on 'drive_file_created' this.on-stream-drive-file-created
+			this.stream.on 'drive_file_created' this.onStreamDriveFileCreated
 
 			this.api('drive/stream', {
 				type: 'image/*'
@@ -75,9 +75,9 @@
 				this.update();
 
 		this.on('unmount', () => {
-			this.stream.off 'drive_file_created' this.on-stream-drive-file-created
+			this.stream.off 'drive_file_created' this.onStreamDriveFileCreated
 
-		this.on-stream-drive-file-created = (file) => {
+		this.onStreamDriveFileCreated = (file) => {
 			if /^image\/.+$/.test file.type
 				@images.unshift file
 				if @images.length > 9
diff --git a/src/web/app/desktop/tags/home-widgets/timeline.tag b/src/web/app/desktop/tags/home-widgets/timeline.tag
index 30acc75ac..69417aa83 100644
--- a/src/web/app/desktop/tags/home-widgets/timeline.tag
+++ b/src/web/app/desktop/tags/home-widgets/timeline.tag
@@ -98,10 +98,10 @@
 			this.refs.timeline.add-post post
 
 		this.on-stream-follow = () => {
-			@load!
+			this.load();
 
 		this.on-stream-unfollow = () => {
-			@load!
+			this.load();
 
 		this.on-scroll = () => {
 			current = window.scrollY + window.inner-height
diff --git a/src/web/app/desktop/tags/images-viewer.tag b/src/web/app/desktop/tags/images-viewer.tag
index 8d10ec656..e1ceeb0f5 100644
--- a/src/web/app/desktop/tags/images-viewer.tag
+++ b/src/web/app/desktop/tags/images-viewer.tag
@@ -30,7 +30,7 @@
 		this.image = @images.0
 
 		this.mousemove = (e) => {
-			rect = this.refs.view.get-bounding-client-rect!
+			rect = this.refs.view.getBoundingClientRect();
 			mouse-x = e.client-x - rect.left
 			mouse-y = e.client-y - rect.top
 			xp = mouse-x / this.refs.view.offset-width * 100
diff --git a/src/web/app/desktop/tags/post-form.tag b/src/web/app/desktop/tags/post-form.tag
index cb1693420..737c77dbf 100644
--- a/src/web/app/desktop/tags/post-form.tag
+++ b/src/web/app/desktop/tags/post-form.tag
@@ -324,7 +324,7 @@
 
 		this.on('mount', () => {
 			this.refs.uploader.on('uploaded', (file) => {
-				@add-file file
+				this.addFile file
 
 			this.refs.uploader.on('change-uploads', (uploads) => {
 				this.trigger 'change-uploading-files' uploads
@@ -382,7 +382,7 @@
 
 				// (ドライブの)ファイルだったら
 				if obj.type == 'file' 
-					@add-file obj.file
+					this.addFile obj.file
 			catch
 				// ignore
 
@@ -409,7 +409,7 @@
  			i = riot.mount browser, do
 				multiple: true
 			i[0].one 'selected' (files) =>
-				files.forEach @add-file
+				files.forEach this.addFile
 
 		this.change-file = () => {
 			files = this.refs.file.files
diff --git a/src/web/app/mobile/tags/drive.tag b/src/web/app/mobile/tags/drive.tag
index 8d4383f6e..36c037d1a 100644
--- a/src/web/app/mobile/tags/drive.tag
+++ b/src/web/app/mobile/tags/drive.tag
@@ -146,10 +146,10 @@
 		this.multiple = if this.opts.multiple? then this.opts.multiple else false
 
 		this.on('mount', () => {
-			this.stream.on 'drive_file_created' this.on-stream-drive-file-created
-			this.stream.on 'drive_file_updated' this.on-stream-drive-file-updated
-			this.stream.on 'drive_folder_created' this.on-stream-drive-folder-created
-			this.stream.on 'drive_folder_updated' this.on-stream-drive-folder-updated
+			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
@@ -159,36 +159,36 @@
 			else if this.opts.file? and this.opts.file != ''
 				@cf this.opts.file, true
 			else
-				@load!
+				this.load();
 
 		this.on('unmount', () => {
-			this.stream.off 'drive_file_created' this.on-stream-drive-file-created
-			this.stream.off 'drive_file_updated' this.on-stream-drive-file-updated
-			this.stream.off 'drive_folder_created' this.on-stream-drive-folder-created
-			this.stream.off 'drive_folder_updated' this.on-stream-drive-folder-updated
+			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.on-stream-drive-file-created = (file) => {
-			@add-file file, true
+		this.onStreamDriveFileCreated = (file) => {
+			this.addFile file, true
 
-		this.on-stream-drive-file-updated = (file) => {
+		this.onStreamDriveFileUpdated = (file) => {
 			current = if this.folder? then this.folder.id else null
 			if current != file.folder_id
 				@remove-file file
 			else
-				@add-file file, true
+				this.addFile file, true
 
-		this.on-stream-drive-folder-created = (folder) => {
-			@add-folder folder, true
+		this.onStreamDriveFolderCreated = (folder) => {
+			this.addFolder folder, true
 
-		this.on-stream-drive-folder-updated = (folder) => {
+		this.onStreamDriveFolderUpdated = (folder) => {
 			current = if this.folder? then this.folder.id else null
 			if current != folder.parent_id
-				@remove-folder folder
+				this.removeFolder folder
 			else
-				@add-folder folder, true
+				this.addFolder folder, true
 
 		@_move = (ev) =>
-			@move ev.item.folder
+			this.move ev.item.folder
 
 		this.move = (target-folder) => {
 			@cd target-folder
@@ -222,7 +222,7 @@
 
 				this.update();
 				this.trigger 'open-folder' this.folder, silent
-				@load!
+				this.load();
 			.catch (err, text-status) ->
 				console.error err
 
@@ -278,7 +278,7 @@
 				this.hierarchyFolders = []
 				this.update();
 				this.trigger('move-root');
-				@load!
+				this.load();
 
 		this.load = () => {
 			this.folders = []
@@ -326,9 +326,9 @@
 			complete = =>
 				if flag
 					load-folders.forEach (folder) =>
-						@add-folder folder
+						this.addFolder folder
 					load-files.forEach (file) =>
-						@add-file file
+						this.addFile file
 					this.loading = false
 					this.update();
 
diff --git a/src/web/app/mobile/tags/post-form.tag b/src/web/app/mobile/tags/post-form.tag
index 43643f88c..27c6c005c 100644
--- a/src/web/app/mobile/tags/post-form.tag
+++ b/src/web/app/mobile/tags/post-form.tag
@@ -193,7 +193,7 @@
 
 		this.on('mount', () => {
 			this.refs.uploader.on('uploaded', (file) => {
-				@add-file file
+				this.addFile file
 
 			this.refs.uploader.on('change-uploads', (uploads) => {
 				this.trigger 'change-uploading-files' uploads
@@ -225,7 +225,7 @@
 				multiple: true
 			.0
 			browser.on('selected', (files) => {
-				files.forEach @add-file
+				files.forEach this.addFile
 
 		this.change-file = () => {
 			files = this.refs.file.files