From 0f27b629244ebaba1036596ffd2044126de94d07 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Fri, 27 Apr 2018 19:12:15 +0900
Subject: [PATCH] Update dependencies :rocket:

---
 package.json                                  |  52 ++--
 .../app/desktop/views/pages/welcome.vue       |   9 +-
 src/client/app/mobile/views/pages/welcome.vue | 247 +++++++++---------
 src/models/note-reaction.ts                   |   2 +-
 src/server/api/endpoints/aggregation/posts.ts |   2 +-
 src/server/api/endpoints/aggregation/users.ts |   2 +-
 .../endpoints/aggregation/users/activity.ts   |   4 +-
 .../endpoints/aggregation/users/followers.ts  |   2 +-
 .../endpoints/aggregation/users/following.ts  |   2 +-
 .../api/endpoints/aggregation/users/post.ts   |   2 +-
 .../endpoints/aggregation/users/reaction.ts   |   2 +-
 src/server/api/endpoints/app/create.ts        |  10 +-
 .../api/endpoints/app/name_id/available.ts    |   2 +-
 src/server/api/endpoints/app/show.ts          |   4 +-
 src/server/api/endpoints/auth/accept.ts       |   2 +-
 .../api/endpoints/auth/session/generate.ts    |   2 +-
 src/server/api/endpoints/auth/session/show.ts |   2 +-
 .../api/endpoints/auth/session/userkey.ts     |   4 +-
 src/server/api/endpoints/channels.ts          |   6 +-
 src/server/api/endpoints/channels/create.ts   |   2 +-
 src/server/api/endpoints/channels/notes.ts    |   8 +-
 src/server/api/endpoints/channels/show.ts     |   2 +-
 src/server/api/endpoints/channels/unwatch.ts  |   2 +-
 src/server/api/endpoints/channels/watch.ts    |   2 +-
 src/server/api/endpoints/drive/files.ts       |  10 +-
 .../api/endpoints/drive/files/create.ts       |   2 +-
 src/server/api/endpoints/drive/files/find.ts  |   4 +-
 src/server/api/endpoints/drive/files/show.ts  |   2 +-
 .../api/endpoints/drive/files/update.ts       |   6 +-
 .../endpoints/drive/files/upload_from_url.ts  |   4 +-
 src/server/api/endpoints/drive/folders.ts     |   8 +-
 .../api/endpoints/drive/folders/create.ts     |   4 +-
 .../api/endpoints/drive/folders/find.ts       |   4 +-
 .../api/endpoints/drive/folders/show.ts       |   2 +-
 .../api/endpoints/drive/folders/update.ts     |   6 +-
 src/server/api/endpoints/drive/stream.ts      |   8 +-
 src/server/api/endpoints/following/create.ts  |   2 +-
 src/server/api/endpoints/following/delete.ts  |   2 +-
 src/server/api/endpoints/following/stalk.ts   |   2 +-
 src/server/api/endpoints/following/unstalk.ts |   2 +-
 src/server/api/endpoints/i/2fa/done.ts        |   2 +-
 src/server/api/endpoints/i/2fa/register.ts    |   2 +-
 src/server/api/endpoints/i/2fa/unregister.ts  |   2 +-
 src/server/api/endpoints/i/authorized_apps.ts |   6 +-
 src/server/api/endpoints/i/change_password.ts |   4 +-
 src/server/api/endpoints/i/favorites.ts       |   6 +-
 src/server/api/endpoints/i/notifications.ts   |  12 +-
 src/server/api/endpoints/i/pin.ts             |   2 +-
 .../api/endpoints/i/regenerate_token.ts       |   2 +-
 src/server/api/endpoints/i/signin_history.ts  |   6 +-
 src/server/api/endpoints/i/update.ts          |  16 +-
 .../api/endpoints/i/update_client_setting.ts  |   4 +-
 src/server/api/endpoints/i/update_home.ts     |   6 +-
 .../api/endpoints/i/update_mobile_home.ts     |   6 +-
 src/server/api/endpoints/messaging/history.ts |   2 +-
 .../api/endpoints/messaging/messages.ts       |  10 +-
 .../endpoints/messaging/messages/create.ts    |   6 +-
 src/server/api/endpoints/mute/create.ts       |   2 +-
 src/server/api/endpoints/mute/delete.ts       |   2 +-
 src/server/api/endpoints/mute/list.ts         |   6 +-
 src/server/api/endpoints/my/apps.ts           |   4 +-
 src/server/api/endpoints/notes.ts             |  16 +-
 src/server/api/endpoints/notes/context.ts     |   6 +-
 src/server/api/endpoints/notes/create.ts      |  22 +-
 .../api/endpoints/notes/favorites/create.ts   |   2 +-
 .../api/endpoints/notes/favorites/delete.ts   |   2 +-
 .../api/endpoints/notes/global-timeline.ts    |  10 +-
 .../api/endpoints/notes/local-timeline.ts     |  10 +-
 src/server/api/endpoints/notes/mentions.ts    |   8 +-
 .../endpoints/notes/polls/recommendation.ts   |   4 +-
 src/server/api/endpoints/notes/polls/vote.ts  |   4 +-
 src/server/api/endpoints/notes/reactions.ts   |   8 +-
 .../api/endpoints/notes/reactions/create.ts   |   4 +-
 .../api/endpoints/notes/reactions/delete.ts   |   2 +-
 src/server/api/endpoints/notes/replies.ts     |   8 +-
 src/server/api/endpoints/notes/reposts.ts     |   8 +-
 src/server/api/endpoints/notes/search.ts      |  30 +--
 src/server/api/endpoints/notes/show.ts        |   2 +-
 src/server/api/endpoints/notes/timeline.ts    |  14 +-
 src/server/api/endpoints/notes/trend.ts       |  12 +-
 .../api/endpoints/notes/user-list-timeline.ts |  16 +-
 src/server/api/endpoints/othello/games.ts     |   8 +-
 .../api/endpoints/othello/games/show.ts       |   2 +-
 src/server/api/endpoints/othello/match.ts     |   2 +-
 src/server/api/endpoints/sw/register.ts       |   6 +-
 .../api/endpoints/username/available.ts       |   2 +-
 src/server/api/endpoints/users.ts             |   6 +-
 src/server/api/endpoints/users/followers.ts   |   8 +-
 src/server/api/endpoints/users/following.ts   |   8 +-
 .../users/get_frequently_replied_users.ts     |   4 +-
 .../api/endpoints/users/lists/create.ts       |   2 +-
 src/server/api/endpoints/users/lists/push.ts  |   4 +-
 src/server/api/endpoints/users/lists/show.ts  |   2 +-
 src/server/api/endpoints/users/notes.ts       |  20 +-
 .../api/endpoints/users/recommendation.ts     |   4 +-
 src/server/api/endpoints/users/search.ts      |   6 +-
 .../api/endpoints/users/search_by_username.ts |   6 +-
 src/server/api/endpoints/users/show.ts        |   8 +-
 webpack.config.ts                             |  43 ++-
 99 files changed, 446 insertions(+), 433 deletions(-)

diff --git a/package.json b/package.json
index d37bbc040..515d8e840 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
 		"@prezzemolo/rap": "0.1.2",
 		"@prezzemolo/zip": "0.0.3",
 		"@types/bcryptjs": "2.4.1",
-		"@types/chai": "4.1.2",
+		"@types/chai": "4.1.3",
 		"@types/chai-http": "3.0.4",
 		"@types/debug": "0.0.30",
 		"@types/deep-equal": "1.0.1",
@@ -51,22 +51,22 @@
 		"@types/js-yaml": "3.11.1",
 		"@types/koa": "2.0.45",
 		"@types/koa-bodyparser": "4.2.0",
-		"@types/koa-compress": "^2.0.8",
+		"@types/koa-compress": "2.0.8",
 		"@types/koa-favicon": "2.0.19",
-		"@types/koa-logger": "^3.1.0",
+		"@types/koa-logger": "3.1.0",
 		"@types/koa-mount": "3.0.1",
 		"@types/koa-multer": "1.0.0",
-		"@types/koa-router": "7.0.27",
+		"@types/koa-router": "7.0.28",
 		"@types/koa-send": "4.1.1",
 		"@types/koa__cors": "2.2.2",
 		"@types/kue": "0.11.8",
 		"@types/license-checker": "15.0.0",
 		"@types/mkdirp": "0.5.2",
-		"@types/mocha": "5.0.0",
+		"@types/mocha": "5.2.0",
 		"@types/mongodb": "3.0.15",
 		"@types/monk": "6.0.0",
 		"@types/ms": "0.7.30",
-		"@types/node": "9.6.5",
+		"@types/node": "9.6.6",
 		"@types/nopt": "3.0.29",
 		"@types/pug": "2.0.4",
 		"@types/qrcode": "0.8.1",
@@ -79,7 +79,7 @@
 		"@types/speakeasy": "2.0.2",
 		"@types/tmp": "0.0.33",
 		"@types/uuid": "3.4.3",
-		"@types/webpack": "4.1.3",
+		"@types/webpack": "4.1.4",
 		"@types/webpack-stream": "3.2.10",
 		"@types/websocket": "0.0.38",
 		"@types/ws": "4.0.2",
@@ -88,10 +88,10 @@
 		"autwh": "0.1.0",
 		"bcryptjs": "2.4.3",
 		"bootstrap-vue": "2.0.0-rc.6",
-		"cafy": "6.0.0",
+		"cafy": "7.0.1",
 		"chai": "4.1.2",
 		"chai-http": "4.0.0",
-		"chalk": "2.4.0",
+		"chalk": "2.4.1",
 		"crc-32": "1.2.0",
 		"css-loader": "0.28.11",
 		"debug": "3.1.0",
@@ -100,12 +100,12 @@
 		"diskusage": "0.2.4",
 		"dompurify": "1.0.3",
 		"elasticsearch": "14.2.2",
-		"element-ui": "2.3.4",
+		"element-ui": "2.3.6",
 		"emojilib": "2.2.12",
 		"escape-regexp": "0.0.1",
 		"eslint": "4.19.1",
-		"eslint-plugin-vue": "4.4.0",
-		"eventemitter3": "3.0.1",
+		"eslint-plugin-vue": "4.5.0",
+		"eventemitter3": "3.1.0",
 		"exif-js": "2.3.0",
 		"file-loader": "1.1.11",
 		"file-type": "7.6.0",
@@ -133,30 +133,30 @@
 		"is-root": "2.0.0",
 		"is-url": "1.2.4",
 		"js-yaml": "3.11.0",
-		"jsdom": "11.8.0",
-		"koa": "2.5.0",
+		"jsdom": "11.9.0",
+		"koa": "2.5.1",
 		"koa-bodyparser": "4.2.0",
 		"koa-compress": "3.0.0",
 		"koa-favicon": "2.0.1",
-		"koa-json-body": "^5.3.0",
-		"koa-logger": "^3.2.0",
+		"koa-json-body": "5.3.0",
+		"koa-logger": "3.2.0",
 		"koa-mount": "3.0.0",
 		"koa-multer": "1.0.2",
 		"koa-router": "7.4.0",
 		"koa-send": "4.1.3",
-		"koa-slow": "^2.1.0",
+		"koa-slow": "2.1.0",
 		"kue": "0.11.6",
 		"license-checker": "18.0.0",
 		"loader-utils": "1.1.0",
 		"mecab-async": "0.1.2",
 		"mkdirp": "0.5.1",
-		"mocha": "5.1.0",
+		"mocha": "5.1.1",
 		"moji": "0.5.1",
 		"mongodb": "3.0.7",
 		"monk": "6.0.5",
 		"ms": "2.1.1",
 		"nan": "2.10.0",
-		"node-sass": "4.8.3",
+		"node-sass": "4.9.0",
 		"node-sass-json-importer": "3.2.0",
 		"nopt": "4.0.1",
 		"nprogress": "0.2.0",
@@ -190,9 +190,9 @@
 		"textarea-caret": "3.1.0",
 		"tmp": "0.0.33",
 		"ts-loader": "4.2.0",
-		"ts-node": "6.0.0",
+		"ts-node": "6.0.1",
 		"tslint": "5.9.1",
-		"typescript": "2.8.1",
+		"typescript": "2.8.3",
 		"typescript-eslint-parser": "15.0.0",
 		"uglify-es": "3.3.9",
 		"url-loader": "1.0.1",
@@ -201,18 +201,18 @@
 		"vue": "2.5.16",
 		"vue-cropperjs": "2.2.0",
 		"vue-js-modal": "1.3.13",
-		"vue-json-tree-view": "2.1.3",
-		"vue-loader": "14.2.2",
+		"vue-json-tree-view": "2.1.4",
+		"vue-loader": "15.0.3",
 		"vue-router": "3.0.1",
 		"vue-template-compiler": "2.5.16",
 		"vuedraggable": "2.16.0",
-		"vuex": "^3.0.1",
+		"vuex": "3.0.1",
 		"web-push": "3.3.0",
 		"webfinger.js": "2.6.6",
 		"webpack": "4.6.0",
-		"webpack-cli": "2.0.14",
+		"webpack-cli": "2.0.15",
 		"webpack-replace-loader": "1.3.0",
-		"websocket": "1.0.25",
+		"websocket": "1.0.26",
 		"ws": "5.1.1",
 		"xev": "2.0.0"
 	}
diff --git a/src/client/app/desktop/views/pages/welcome.vue b/src/client/app/desktop/views/pages/welcome.vue
index 93d17b58f..6bda29326 100644
--- a/src/client/app/desktop/views/pages/welcome.vue
+++ b/src/client/app/desktop/views/pages/welcome.vue
@@ -125,7 +125,8 @@ export default Vue.extend({
 	flex 1
 	$width = 1000px
 
-	background-image url('/assets/welcome-bg.svg')
+	background linear-gradient(to bottom, #1e1d65, #bd6659)
+	//background-image url('/assets/welcome-bg.svg')
 	background-size cover
 	background-position top center
 
@@ -309,9 +310,3 @@ export default Vue.extend({
 	a
 		color #666
 </style>
-
-<style lang="stylus">
-html
-body
-	background linear-gradient(to bottom, #1e1d65, #bd6659)
-</style>
diff --git a/src/client/app/mobile/views/pages/welcome.vue b/src/client/app/mobile/views/pages/welcome.vue
index 27baf8bee..1bc7ffd86 100644
--- a/src/client/app/mobile/views/pages/welcome.vue
+++ b/src/client/app/mobile/views/pages/welcome.vue
@@ -1,33 +1,35 @@
 <template>
 <div class="welcome">
-	<h1><b>Misskey</b>へようこそ</h1>
-	<p>Twitter風ミニブログSNS、Misskeyへようこそ。共有したいことを投稿したり、タイムラインでみんなの投稿を読むこともできます。<br><a href="/signup">アカウントを作成する</a></p>
-	<div class="form">
-		<p>%fa:lock% ログイン</p>
-		<div>
-			<form @submit.prevent="onSubmit">
-				<input v-model="username" type="text" pattern="^[a-zA-Z0-9_]+$" placeholder="ユーザー名" autofocus required @change="onUsernameChange"/>
-				<input v-model="password" type="password" placeholder="パスワード" required/>
-				<input v-if="user && user.twoFactorEnabled" v-model="token" type="number" placeholder="トークン" required/>
-				<button type="submit" :disabled="signing">{{ signing ? 'ログインしています' : 'ログイン' }}</button>
-			</form>
+	<div>
+		<h1><b>Misskey</b>へようこそ</h1>
+		<p>Twitter風ミニブログSNS、Misskeyへようこそ。共有したいことを投稿したり、タイムラインでみんなの投稿を読むこともできます。<br><a href="/signup">アカウントを作成する</a></p>
+		<div class="form">
+			<p>%fa:lock% ログイン</p>
 			<div>
-				<a :href="`${apiUrl}/signin/twitter`">Twitterでログイン</a>
+				<form @submit.prevent="onSubmit">
+					<input v-model="username" type="text" pattern="^[a-zA-Z0-9_]+$" placeholder="ユーザー名" autofocus required @change="onUsernameChange"/>
+					<input v-model="password" type="password" placeholder="パスワード" required/>
+					<input v-if="user && user.twoFactorEnabled" v-model="token" type="number" placeholder="トークン" required/>
+					<button type="submit" :disabled="signing">{{ signing ? 'ログインしています' : 'ログイン' }}</button>
+				</form>
+				<div>
+					<a :href="`${apiUrl}/signin/twitter`">Twitterでログイン</a>
+				</div>
 			</div>
 		</div>
+		<div class="tl">
+			<p>%fa:comments R% タイムラインを見てみる</p>
+			<mk-welcome-timeline/>
+		</div>
+		<div class="users">
+			<router-link v-for="user in users" :key="user.id" class="avatar-anchor" :to="`/@${user.username}`">
+				<img class="avatar" :src="`${user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
+			</router-link>
+		</div>
+		<footer>
+			<small>{{ copyright }}</small>
+		</footer>
 	</div>
-	<div class="tl">
-		<p>%fa:comments R% タイムラインを見てみる</p>
-		<mk-welcome-timeline/>
-	</div>
-	<div class="users">
-		<router-link v-for="user in users" :key="user.id" class="avatar-anchor" :to="`/@${user.username}`">
-			<img class="avatar" :src="`${user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
-		</router-link>
-	</div>
-	<footer>
-		<small>{{ copyright }}</small>
-	</footer>
 </div>
 </template>
 
@@ -84,123 +86,120 @@ export default Vue.extend({
 
 <style lang="stylus" scoped>
 .welcome
-	padding 16px
-	margin 0 auto
-	max-width 500px
+	background linear-gradient(to bottom, #1e1d65, #bd6659)
 
-	h1
-		margin 0
-		padding 8px
-		font-size 1.5em
-		font-weight normal
-		color #cacac3
+	> div
+		padding 16px
+		margin 0 auto
+		max-width 500px
 
-		& + p
-			margin 0 0 16px 0
-			padding 0 8px 0 8px
-			color #949fa9
-
-	.form
-		margin-bottom 16px
-		background #fff
-		border solid 1px rgba(0, 0, 0, 0.2)
-		border-radius 8px
-		overflow hidden
-
-		> p
+		h1
 			margin 0
-			padding 12px 20px
-			color #555
-			background #f5f5f5
-			border-bottom solid 1px #ddd
+			padding 8px
+			font-size 1.5em
+			font-weight normal
+			color #cacac3
 
-		> div
+			& + p
+				margin 0 0 16px 0
+				padding 0 8px 0 8px
+				color #949fa9
 
-			> form
-				padding 16px
+		.form
+			margin-bottom 16px
+			background #fff
+			border solid 1px rgba(0, 0, 0, 0.2)
+			border-radius 8px
+			overflow hidden
+
+			> p
+				margin 0
+				padding 12px 20px
+				color #555
+				background #f5f5f5
 				border-bottom solid 1px #ddd
 
-				input
-					display block
-					padding 12px
-					margin 0 0 16px 0
-					width 100%
-					font-size 1em
-					color rgba(0, 0, 0, 0.7)
-					background #fff
-					outline none
-					border solid 1px #ddd
-					border-radius 4px
-
-				button
-					display block
-					width 100%
-					padding 10px
-					margin 0
-					color #333
-					font-size 1em
-					text-align center
-					text-decoration none
-					text-shadow 0 1px 0 rgba(255, 255, 255, 0.9)
-					background-image linear-gradient(#fafafa, #eaeaea)
-					border 1px solid #ddd
-					border-bottom-color #cecece
-					border-radius 4px
-
-					&:active
-						background-color #767676
-						background-image none
-						border-color #444
-						box-shadow 0 1px 3px rgba(0, 0, 0, 0.075), inset 0 0 5px rgba(0, 0, 0, 0.2)
-
 			> div
-				padding 16px
-				text-align center
 
-	> .tl
-		background #fff
-		border solid 1px rgba(0, 0, 0, 0.2)
-		border-radius 8px
-		overflow hidden
+				> form
+					padding 16px
+					border-bottom solid 1px #ddd
 
-		> p
-			margin 0
-			padding 12px 20px
-			color #555
-			background #f5f5f5
-			border-bottom solid 1px #ddd
+					input
+						display block
+						padding 12px
+						margin 0 0 16px 0
+						width 100%
+						font-size 1em
+						color rgba(0, 0, 0, 0.7)
+						background #fff
+						outline none
+						border solid 1px #ddd
+						border-radius 4px
 
-		> .mk-welcome-timeline
-			max-height 300px
-			overflow auto
+					button
+						display block
+						width 100%
+						padding 10px
+						margin 0
+						color #333
+						font-size 1em
+						text-align center
+						text-decoration none
+						text-shadow 0 1px 0 rgba(255, 255, 255, 0.9)
+						background-image linear-gradient(#fafafa, #eaeaea)
+						border 1px solid #ddd
+						border-bottom-color #cecece
+						border-radius 4px
 
-	> .users
-		margin 12px 0 0 0
+						&:active
+							background-color #767676
+							background-image none
+							border-color #444
+							box-shadow 0 1px 3px rgba(0, 0, 0, 0.075), inset 0 0 5px rgba(0, 0, 0, 0.2)
 
-		> *
-			display inline-block
-			margin 4px
+				> div
+					padding 16px
+					text-align center
+
+		> .tl
+			background #fff
+			border solid 1px rgba(0, 0, 0, 0.2)
+			border-radius 8px
+			overflow hidden
+
+			> p
+				margin 0
+				padding 12px 20px
+				color #555
+				background #f5f5f5
+				border-bottom solid 1px #ddd
+
+			> .mk-welcome-timeline
+				max-height 300px
+				overflow auto
+
+		> .users
+			margin 12px 0 0 0
 
 			> *
 				display inline-block
-				width 38px
-				height 38px
-				vertical-align top
-				border-radius 6px
+				margin 4px
 
-	> footer
-		text-align center
-		color #fff
+				> *
+					display inline-block
+					width 38px
+					height 38px
+					vertical-align top
+					border-radius 6px
 
-		> small
-			display block
-			margin 16px 0 0 0
-			opacity 0.7
+		> footer
+			text-align center
+			color #fff
+
+			> small
+				display block
+				margin 16px 0 0 0
+				opacity 0.7
 
 </style>
-
-<style lang="stylus">
-html
-body
-	background linear-gradient(to bottom, #1e1d65, #bd6659)
-</style>
diff --git a/src/models/note-reaction.ts b/src/models/note-reaction.ts
index f78b0d9d0..7891ebdf1 100644
--- a/src/models/note-reaction.ts
+++ b/src/models/note-reaction.ts
@@ -1,5 +1,5 @@
 import * as mongo from 'mongodb';
-import $ from 'cafy'; import ID from '../../../../cafy-id';
+import $ from 'cafy';
 import deepcopy = require('deepcopy');
 import db from '../db/mongodb';
 import Reaction from './note-reaction';
diff --git a/src/server/api/endpoints/aggregation/posts.ts b/src/server/api/endpoints/aggregation/posts.ts
index 17bead280..87e9af3a5 100644
--- a/src/server/api/endpoints/aggregation/posts.ts
+++ b/src/server/api/endpoints/aggregation/posts.ts
@@ -9,7 +9,7 @@ import Note from '../../../../models/note';
  */
 module.exports = params => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 365, limitErr] = $(params.limit).optional.number().range(1, 365).$;
+	const [limit = 365, limitErr] = $(params.limit).optional.number().range(1, 365).get();
 	if (limitErr) return rej('invalid limit param');
 
 	const datas = await Note
diff --git a/src/server/api/endpoints/aggregation/users.ts b/src/server/api/endpoints/aggregation/users.ts
index b0a7632f2..831d77133 100644
--- a/src/server/api/endpoints/aggregation/users.ts
+++ b/src/server/api/endpoints/aggregation/users.ts
@@ -9,7 +9,7 @@ import User from '../../../../models/user';
  */
 module.exports = params => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 365, limitErr] = $(params.limit).optional.number().range(1, 365).$;
+	const [limit = 365, limitErr] = $(params.limit).optional.number().range(1, 365).get();
 	if (limitErr) return rej('invalid limit param');
 
 	const users = await User
diff --git a/src/server/api/endpoints/aggregation/users/activity.ts b/src/server/api/endpoints/aggregation/users/activity.ts
index d36e07a44..4a982ac3b 100644
--- a/src/server/api/endpoints/aggregation/users/activity.ts
+++ b/src/server/api/endpoints/aggregation/users/activity.ts
@@ -12,11 +12,11 @@ import Note from '../../../../../models/note';
  */
 module.exports = (params) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 365, limitErr] = $(params.limit).optional.number().range(1, 365).$;
+	const [limit = 365, limitErr] = $(params.limit).optional.number().range(1, 365).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Lookup user
diff --git a/src/server/api/endpoints/aggregation/users/followers.ts b/src/server/api/endpoints/aggregation/users/followers.ts
index a6dd29e73..3079542c6 100644
--- a/src/server/api/endpoints/aggregation/users/followers.ts
+++ b/src/server/api/endpoints/aggregation/users/followers.ts
@@ -10,7 +10,7 @@ import FollowedLog from '../../../../../models/followed-log';
  */
 module.exports = (params) => new Promise(async (res, rej) => {
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Lookup user
diff --git a/src/server/api/endpoints/aggregation/users/following.ts b/src/server/api/endpoints/aggregation/users/following.ts
index 7336f392f..4efe20230 100644
--- a/src/server/api/endpoints/aggregation/users/following.ts
+++ b/src/server/api/endpoints/aggregation/users/following.ts
@@ -10,7 +10,7 @@ import FollowingLog from '../../../../../models/following-log';
  */
 module.exports = (params) => new Promise(async (res, rej) => {
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Lookup user
diff --git a/src/server/api/endpoints/aggregation/users/post.ts b/src/server/api/endpoints/aggregation/users/post.ts
index c5a5e5ffc..fc6541065 100644
--- a/src/server/api/endpoints/aggregation/users/post.ts
+++ b/src/server/api/endpoints/aggregation/users/post.ts
@@ -10,7 +10,7 @@ import Note from '../../../../../models/note';
  */
 module.exports = (params) => new Promise(async (res, rej) => {
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Lookup user
diff --git a/src/server/api/endpoints/aggregation/users/reaction.ts b/src/server/api/endpoints/aggregation/users/reaction.ts
index f1664823c..ea3363e1a 100644
--- a/src/server/api/endpoints/aggregation/users/reaction.ts
+++ b/src/server/api/endpoints/aggregation/users/reaction.ts
@@ -13,7 +13,7 @@ import Reaction from '../../../../../models/note-reaction';
  */
 module.exports = (params) => new Promise(async (res, rej) => {
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Lookup user
diff --git a/src/server/api/endpoints/app/create.ts b/src/server/api/endpoints/app/create.ts
index f40342926..97154690f 100644
--- a/src/server/api/endpoints/app/create.ts
+++ b/src/server/api/endpoints/app/create.ts
@@ -67,24 +67,24 @@ import App, { isValidNameId, pack } from '../../../../models/app';
  */
 module.exports = async (params, user) => new Promise(async (res, rej) => {
 	// Get 'nameId' parameter
-	const [nameId, nameIdErr] = $(params.nameId).string().pipe(isValidNameId).$;
+	const [nameId, nameIdErr] = $(params.nameId).string().pipe(isValidNameId).get();
 	if (nameIdErr) return rej('invalid nameId param');
 
 	// Get 'name' parameter
-	const [name, nameErr] = $(params.name).string().$;
+	const [name, nameErr] = $(params.name).string().get();
 	if (nameErr) return rej('invalid name param');
 
 	// Get 'description' parameter
-	const [description, descriptionErr] = $(params.description).string().$;
+	const [description, descriptionErr] = $(params.description).string().get();
 	if (descriptionErr) return rej('invalid description param');
 
 	// Get 'permission' parameter
-	const [permission, permissionErr] = $(params.permission).array($().string()).unique().$;
+	const [permission, permissionErr] = $(params.permission).array($().string()).unique().get();
 	if (permissionErr) return rej('invalid permission param');
 
 	// Get 'callbackUrl' parameter
 	// TODO: Check it is valid url
-	const [callbackUrl = null, callbackUrlErr] = $(params.callbackUrl).optional.nullable.string().$;
+	const [callbackUrl = null, callbackUrlErr] = $(params.callbackUrl).optional.nullable.string().get();
 	if (callbackUrlErr) return rej('invalid callbackUrl param');
 
 	// Generate secret
diff --git a/src/server/api/endpoints/app/name_id/available.ts b/src/server/api/endpoints/app/name_id/available.ts
index ec2d69241..8c32a780e 100644
--- a/src/server/api/endpoints/app/name_id/available.ts
+++ b/src/server/api/endpoints/app/name_id/available.ts
@@ -42,7 +42,7 @@ import { isValidNameId } from '../../../../../models/app';
  */
 module.exports = async (params) => new Promise(async (res, rej) => {
 	// Get 'nameId' parameter
-	const [nameId, nameIdErr] = $(params.nameId).string().pipe(isValidNameId).$;
+	const [nameId, nameIdErr] = $(params.nameId).string().pipe(isValidNameId).get();
 	if (nameIdErr) return rej('invalid nameId param');
 
 	// Get exist
diff --git a/src/server/api/endpoints/app/show.ts b/src/server/api/endpoints/app/show.ts
index 92a03b983..840885028 100644
--- a/src/server/api/endpoints/app/show.ts
+++ b/src/server/api/endpoints/app/show.ts
@@ -41,11 +41,11 @@ module.exports = (params, user, app) => new Promise(async (res, rej) => {
 	const isSecure = user != null && app == null;
 
 	// Get 'appId' parameter
-	const [appId, appIdErr] = $(params.appId).optional.type(ID).$;
+	const [appId, appIdErr] = $(params.appId).optional.type(ID).get();
 	if (appIdErr) return rej('invalid appId param');
 
 	// Get 'nameId' parameter
-	const [nameId, nameIdErr] = $(params.nameId).optional.string().$;
+	const [nameId, nameIdErr] = $(params.nameId).optional.string().get();
 	if (nameIdErr) return rej('invalid nameId param');
 
 	if (appId === undefined && nameId === undefined) {
diff --git a/src/server/api/endpoints/auth/accept.ts b/src/server/api/endpoints/auth/accept.ts
index b6297d663..cb271f9d6 100644
--- a/src/server/api/endpoints/auth/accept.ts
+++ b/src/server/api/endpoints/auth/accept.ts
@@ -40,7 +40,7 @@ import AccessToken from '../../../../models/access-token';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'token' parameter
-	const [token, tokenErr] = $(params.token).string().$;
+	const [token, tokenErr] = $(params.token).string().get();
 	if (tokenErr) return rej('invalid token param');
 
 	// Fetch token
diff --git a/src/server/api/endpoints/auth/session/generate.ts b/src/server/api/endpoints/auth/session/generate.ts
index 7c475dbe2..8d243b85c 100644
--- a/src/server/api/endpoints/auth/session/generate.ts
+++ b/src/server/api/endpoints/auth/session/generate.ts
@@ -46,7 +46,7 @@ import config from '../../../../../config';
  */
 module.exports = (params) => new Promise(async (res, rej) => {
 	// Get 'appSecret' parameter
-	const [appSecret, appSecretErr] = $(params.appSecret).string().$;
+	const [appSecret, appSecretErr] = $(params.appSecret).string().get();
 	if (appSecretErr) return rej('invalid appSecret param');
 
 	// Lookup app
diff --git a/src/server/api/endpoints/auth/session/show.ts b/src/server/api/endpoints/auth/session/show.ts
index f7f0b087b..87a43c94b 100644
--- a/src/server/api/endpoints/auth/session/show.ts
+++ b/src/server/api/endpoints/auth/session/show.ts
@@ -53,7 +53,7 @@ import AuthSess, { pack } from '../../../../../models/auth-session';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'token' parameter
-	const [token, tokenErr] = $(params.token).string().$;
+	const [token, tokenErr] = $(params.token).string().get();
 	if (tokenErr) return rej('invalid token param');
 
 	// Lookup session
diff --git a/src/server/api/endpoints/auth/session/userkey.ts b/src/server/api/endpoints/auth/session/userkey.ts
index ddb67cb45..29642e632 100644
--- a/src/server/api/endpoints/auth/session/userkey.ts
+++ b/src/server/api/endpoints/auth/session/userkey.ts
@@ -51,7 +51,7 @@ import { pack } from '../../../../../models/user';
  */
 module.exports = (params) => new Promise(async (res, rej) => {
 	// Get 'appSecret' parameter
-	const [appSecret, appSecretErr] = $(params.appSecret).string().$;
+	const [appSecret, appSecretErr] = $(params.appSecret).string().get();
 	if (appSecretErr) return rej('invalid appSecret param');
 
 	// Lookup app
@@ -64,7 +64,7 @@ module.exports = (params) => new Promise(async (res, rej) => {
 	}
 
 	// Get 'token' parameter
-	const [token, tokenErr] = $(params.token).string().$;
+	const [token, tokenErr] = $(params.token).string().get();
 	if (tokenErr) return rej('invalid token param');
 
 	// Fetch token
diff --git a/src/server/api/endpoints/channels.ts b/src/server/api/endpoints/channels.ts
index b68107ed7..9fd0fcb89 100644
--- a/src/server/api/endpoints/channels.ts
+++ b/src/server/api/endpoints/channels.ts
@@ -13,15 +13,15 @@ import Channel, { pack } from '../../../models/channel';
  */
 module.exports = (params, me) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
diff --git a/src/server/api/endpoints/channels/create.ts b/src/server/api/endpoints/channels/create.ts
index a737fcb15..2574e0923 100644
--- a/src/server/api/endpoints/channels/create.ts
+++ b/src/server/api/endpoints/channels/create.ts
@@ -11,7 +11,7 @@ import { pack } from '../../../../models/channel';
  */
 module.exports = async (params, user) => new Promise(async (res, rej) => {
 	// Get 'title' parameter
-	const [title, titleErr] = $(params.title).string().range(1, 100).$;
+	const [title, titleErr] = $(params.title).string().range(1, 100).get();
 	if (titleErr) return rej('invalid title param');
 
 	// Create a channel
diff --git a/src/server/api/endpoints/channels/notes.ts b/src/server/api/endpoints/channels/notes.ts
index 73a69c6d2..a83cdb34c 100644
--- a/src/server/api/endpoints/channels/notes.ts
+++ b/src/server/api/endpoints/channels/notes.ts
@@ -10,15 +10,15 @@ import Note, { pack } from '../../../../models/note';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 1000, limitErr] = $(params.limit).optional.number().range(1, 1000).$;
+	const [limit = 1000, limitErr] = $(params.limit).optional.number().range(1, 1000).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
@@ -27,7 +27,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	}
 
 	// Get 'channelId' parameter
-	const [channelId, channelIdErr] = $(params.channelId).type(ID).$;
+	const [channelId, channelIdErr] = $(params.channelId).type(ID).get();
 	if (channelIdErr) return rej('invalid channelId param');
 
 	// Fetch channel
diff --git a/src/server/api/endpoints/channels/show.ts b/src/server/api/endpoints/channels/show.ts
index 3f468937e..d5ca4ba3b 100644
--- a/src/server/api/endpoints/channels/show.ts
+++ b/src/server/api/endpoints/channels/show.ts
@@ -9,7 +9,7 @@ import Channel, { IChannel, pack } from '../../../../models/channel';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'channelId' parameter
-	const [channelId, channelIdErr] = $(params.channelId).type(ID).$;
+	const [channelId, channelIdErr] = $(params.channelId).type(ID).get();
 	if (channelIdErr) return rej('invalid channelId param');
 
 	// Fetch channel
diff --git a/src/server/api/endpoints/channels/unwatch.ts b/src/server/api/endpoints/channels/unwatch.ts
index 6ada3c9e1..9385e209d 100644
--- a/src/server/api/endpoints/channels/unwatch.ts
+++ b/src/server/api/endpoints/channels/unwatch.ts
@@ -10,7 +10,7 @@ import Watching from '../../../../models/channel-watching';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'channelId' parameter
-	const [channelId, channelIdErr] = $(params.channelId).type(ID).$;
+	const [channelId, channelIdErr] = $(params.channelId).type(ID).get();
 	if (channelIdErr) return rej('invalid channelId param');
 
 	//#region Fetch channel
diff --git a/src/server/api/endpoints/channels/watch.ts b/src/server/api/endpoints/channels/watch.ts
index 7880c3465..ceda3b130 100644
--- a/src/server/api/endpoints/channels/watch.ts
+++ b/src/server/api/endpoints/channels/watch.ts
@@ -10,7 +10,7 @@ import Watching from '../../../../models/channel-watching';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'channelId' parameter
-	const [channelId, channelIdErr] = $(params.channelId).type(ID).$;
+	const [channelId, channelIdErr] = $(params.channelId).type(ID).get();
 	if (channelIdErr) return rej('invalid channelId param');
 
 	//#region Fetch channel
diff --git a/src/server/api/endpoints/drive/files.ts b/src/server/api/endpoints/drive/files.ts
index 7f78ef9da..52dfe60fa 100644
--- a/src/server/api/endpoints/drive/files.ts
+++ b/src/server/api/endpoints/drive/files.ts
@@ -9,15 +9,15 @@ import DriveFile, { pack } from '../../../../models/drive-file';
  */
 module.exports = async (params, user, app) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) throw 'invalid limit param';
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) throw 'invalid sinceId param';
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) throw 'invalid untilId param';
 
 	// Check if both of sinceId and untilId is specified
@@ -26,11 +26,11 @@ module.exports = async (params, user, app) => {
 	}
 
 	// Get 'folderId' parameter
-	const [folderId = null, folderIdErr] = $(params.folderId).optional.nullable.type(ID).$;
+	const [folderId = null, folderIdErr] = $(params.folderId).optional.nullable.type(ID).get();
 	if (folderIdErr) throw 'invalid folderId param';
 
 	// Get 'type' parameter
-	const [type, typeErr] = $(params.type).optional.string().match(/^[a-zA-Z\/\-\*]+$/).$;
+	const [type, typeErr] = $(params.type).optional.string().match(/^[a-zA-Z\/\-\*]+$/).get();
 	if (typeErr) throw 'invalid type param';
 
 	// Construct query
diff --git a/src/server/api/endpoints/drive/files/create.ts b/src/server/api/endpoints/drive/files/create.ts
index 3d5048732..b1a4bc9c5 100644
--- a/src/server/api/endpoints/drive/files/create.ts
+++ b/src/server/api/endpoints/drive/files/create.ts
@@ -29,7 +29,7 @@ module.exports = async (file, params, user): Promise<any> => {
 	}
 
 	// Get 'folderId' parameter
-	const [folderId = null, folderIdErr] = $(params.folderId).optional.nullable.type(ID).$;
+	const [folderId = null, folderIdErr] = $(params.folderId).optional.nullable.type(ID).get();
 	if (folderIdErr) throw 'invalid folderId param';
 
 	try {
diff --git a/src/server/api/endpoints/drive/files/find.ts b/src/server/api/endpoints/drive/files/find.ts
index 5d4957798..4636d8505 100644
--- a/src/server/api/endpoints/drive/files/find.ts
+++ b/src/server/api/endpoints/drive/files/find.ts
@@ -9,11 +9,11 @@ import DriveFile, { pack } from '../../../../../models/drive-file';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'name' parameter
-	const [name, nameErr] = $(params.name).string().$;
+	const [name, nameErr] = $(params.name).string().get();
 	if (nameErr) return rej('invalid name param');
 
 	// Get 'folderId' parameter
-	const [folderId = null, folderIdErr] = $(params.folderId).optional.nullable.type(ID).$;
+	const [folderId = null, folderIdErr] = $(params.folderId).optional.nullable.type(ID).get();
 	if (folderIdErr) return rej('invalid folderId param');
 
 	// Issue query
diff --git a/src/server/api/endpoints/drive/files/show.ts b/src/server/api/endpoints/drive/files/show.ts
index 93c3a6303..7e62e12fa 100644
--- a/src/server/api/endpoints/drive/files/show.ts
+++ b/src/server/api/endpoints/drive/files/show.ts
@@ -9,7 +9,7 @@ import DriveFile, { pack } from '../../../../../models/drive-file';
  */
 module.exports = async (params, user) => {
 	// Get 'fileId' parameter
-	const [fileId, fileIdErr] = $(params.fileId).type(ID).$;
+	const [fileId, fileIdErr] = $(params.fileId).type(ID).get();
 	if (fileIdErr) throw 'invalid fileId param';
 
 	// Fetch file
diff --git a/src/server/api/endpoints/drive/files/update.ts b/src/server/api/endpoints/drive/files/update.ts
index 3ac157b53..c80e26771 100644
--- a/src/server/api/endpoints/drive/files/update.ts
+++ b/src/server/api/endpoints/drive/files/update.ts
@@ -11,7 +11,7 @@ import { publishDriveStream } from '../../../../../publishers/stream';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'fileId' parameter
-	const [fileId, fileIdErr] = $(params.fileId).type(ID).$;
+	const [fileId, fileIdErr] = $(params.fileId).type(ID).get();
 	if (fileIdErr) return rej('invalid fileId param');
 
 	// Fetch file
@@ -26,12 +26,12 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	}
 
 	// Get 'name' parameter
-	const [name, nameErr] = $(params.name).optional.string().pipe(validateFileName).$;
+	const [name, nameErr] = $(params.name).optional.string().pipe(validateFileName).get();
 	if (nameErr) return rej('invalid name param');
 	if (name) file.filename = name;
 
 	// Get 'folderId' parameter
-	const [folderId, folderIdErr] = $(params.folderId).optional.nullable.type(ID).$;
+	const [folderId, folderIdErr] = $(params.folderId).optional.nullable.type(ID).get();
 	if (folderIdErr) return rej('invalid folderId param');
 
 	if (folderId !== undefined) {
diff --git a/src/server/api/endpoints/drive/files/upload_from_url.ts b/src/server/api/endpoints/drive/files/upload_from_url.ts
index cfae1ae19..540c317be 100644
--- a/src/server/api/endpoints/drive/files/upload_from_url.ts
+++ b/src/server/api/endpoints/drive/files/upload_from_url.ts
@@ -11,11 +11,11 @@ import uploadFromUrl from '../../../../../services/drive/upload-from-url';
 module.exports = async (params, user): Promise<any> => {
 	// Get 'url' parameter
 	// TODO: Validate this url
-	const [url, urlErr] = $(params.url).string().$;
+	const [url, urlErr] = $(params.url).string().get();
 	if (urlErr) throw 'invalid url param';
 
 	// Get 'folderId' parameter
-	const [folderId = null, folderIdErr] = $(params.folderId).optional.nullable.type(ID).$;
+	const [folderId = null, folderIdErr] = $(params.folderId).optional.nullable.type(ID).get();
 	if (folderIdErr) throw 'invalid folderId param';
 
 	return pack(await uploadFromUrl(url, user, folderId));
diff --git a/src/server/api/endpoints/drive/folders.ts b/src/server/api/endpoints/drive/folders.ts
index cba33c428..8193a8317 100644
--- a/src/server/api/endpoints/drive/folders.ts
+++ b/src/server/api/endpoints/drive/folders.ts
@@ -9,15 +9,15 @@ import DriveFolder, { pack } from '../../../../models/drive-folder';
  */
 module.exports = (params, user, app) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
@@ -26,7 +26,7 @@ module.exports = (params, user, app) => new Promise(async (res, rej) => {
 	}
 
 	// Get 'folderId' parameter
-	const [folderId = null, folderIdErr] = $(params.folderId).optional.nullable.type(ID).$;
+	const [folderId = null, folderIdErr] = $(params.folderId).optional.nullable.type(ID).get();
 	if (folderIdErr) return rej('invalid folderId param');
 
 	// Construct query
diff --git a/src/server/api/endpoints/drive/folders/create.ts b/src/server/api/endpoints/drive/folders/create.ts
index 65425537a..487c1b220 100644
--- a/src/server/api/endpoints/drive/folders/create.ts
+++ b/src/server/api/endpoints/drive/folders/create.ts
@@ -10,11 +10,11 @@ import { publishDriveStream } from '../../../../../publishers/stream';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'name' parameter
-	const [name = '無題のフォルダー', nameErr] = $(params.name).optional.string().pipe(isValidFolderName).$;
+	const [name = '無題のフォルダー', nameErr] = $(params.name).optional.string().pipe(isValidFolderName).get();
 	if (nameErr) return rej('invalid name param');
 
 	// Get 'parentId' parameter
-	const [parentId = null, parentIdErr] = $(params.parentId).optional.nullable.type(ID).$;
+	const [parentId = null, parentIdErr] = $(params.parentId).optional.nullable.type(ID).get();
 	if (parentIdErr) return rej('invalid parentId param');
 
 	// If the parent folder is specified
diff --git a/src/server/api/endpoints/drive/folders/find.ts b/src/server/api/endpoints/drive/folders/find.ts
index d6277f197..b8579219f 100644
--- a/src/server/api/endpoints/drive/folders/find.ts
+++ b/src/server/api/endpoints/drive/folders/find.ts
@@ -9,11 +9,11 @@ import DriveFolder, { pack } from '../../../../../models/drive-folder';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'name' parameter
-	const [name, nameErr] = $(params.name).string().$;
+	const [name, nameErr] = $(params.name).string().get();
 	if (nameErr) return rej('invalid name param');
 
 	// Get 'parentId' parameter
-	const [parentId = null, parentIdErr] = $(params.parentId).optional.nullable.type(ID).$;
+	const [parentId = null, parentIdErr] = $(params.parentId).optional.nullable.type(ID).get();
 	if (parentIdErr) return rej('invalid parentId param');
 
 	// Issue query
diff --git a/src/server/api/endpoints/drive/folders/show.ts b/src/server/api/endpoints/drive/folders/show.ts
index c703209fe..36d7f1c69 100644
--- a/src/server/api/endpoints/drive/folders/show.ts
+++ b/src/server/api/endpoints/drive/folders/show.ts
@@ -9,7 +9,7 @@ import DriveFolder, { pack } from '../../../../../models/drive-folder';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'folderId' parameter
-	const [folderId, folderIdErr] = $(params.folderId).type(ID).$;
+	const [folderId, folderIdErr] = $(params.folderId).type(ID).get();
 	if (folderIdErr) return rej('invalid folderId param');
 
 	// Get folder
diff --git a/src/server/api/endpoints/drive/folders/update.ts b/src/server/api/endpoints/drive/folders/update.ts
index d8da67fac..64a6cd293 100644
--- a/src/server/api/endpoints/drive/folders/update.ts
+++ b/src/server/api/endpoints/drive/folders/update.ts
@@ -10,7 +10,7 @@ import { publishDriveStream } from '../../../../../publishers/stream';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'folderId' parameter
-	const [folderId, folderIdErr] = $(params.folderId).type(ID).$;
+	const [folderId, folderIdErr] = $(params.folderId).type(ID).get();
 	if (folderIdErr) return rej('invalid folderId param');
 
 	// Fetch folder
@@ -25,12 +25,12 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	}
 
 	// Get 'name' parameter
-	const [name, nameErr] = $(params.name).optional.string().pipe(isValidFolderName).$;
+	const [name, nameErr] = $(params.name).optional.string().pipe(isValidFolderName).get();
 	if (nameErr) return rej('invalid name param');
 	if (name) folder.name = name;
 
 	// Get 'parentId' parameter
-	const [parentId, parentIdErr] = $(params.parentId).optional.nullable.type(ID).$;
+	const [parentId, parentIdErr] = $(params.parentId).optional.nullable.type(ID).get();
 	if (parentIdErr) return rej('invalid parentId param');
 	if (parentId !== undefined) {
 		if (parentId === null) {
diff --git a/src/server/api/endpoints/drive/stream.ts b/src/server/api/endpoints/drive/stream.ts
index 00d89582b..b148f2ce5 100644
--- a/src/server/api/endpoints/drive/stream.ts
+++ b/src/server/api/endpoints/drive/stream.ts
@@ -9,15 +9,15 @@ import DriveFile, { pack } from '../../../../models/drive-file';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
@@ -26,7 +26,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	}
 
 	// Get 'type' parameter
-	const [type, typeErr] = $(params.type).optional.string().match(/^[a-zA-Z\/\-\*]+$/).$;
+	const [type, typeErr] = $(params.type).optional.string().match(/^[a-zA-Z\/\-\*]+$/).get();
 	if (typeErr) return rej('invalid type param');
 
 	// Construct query
diff --git a/src/server/api/endpoints/following/create.ts b/src/server/api/endpoints/following/create.ts
index 43f902852..42a7b79b0 100644
--- a/src/server/api/endpoints/following/create.ts
+++ b/src/server/api/endpoints/following/create.ts
@@ -13,7 +13,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	const follower = user;
 
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// 自分自身
diff --git a/src/server/api/endpoints/following/delete.ts b/src/server/api/endpoints/following/delete.ts
index 99722ccf9..3aef6523d 100644
--- a/src/server/api/endpoints/following/delete.ts
+++ b/src/server/api/endpoints/following/delete.ts
@@ -13,7 +13,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	const follower = user;
 
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Check if the followee is yourself
diff --git a/src/server/api/endpoints/following/stalk.ts b/src/server/api/endpoints/following/stalk.ts
index 1dfbc4df9..34e3f80f8 100644
--- a/src/server/api/endpoints/following/stalk.ts
+++ b/src/server/api/endpoints/following/stalk.ts
@@ -8,7 +8,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	const follower = user;
 
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Fetch following
diff --git a/src/server/api/endpoints/following/unstalk.ts b/src/server/api/endpoints/following/unstalk.ts
index 0d91ffeac..f8ca39ef7 100644
--- a/src/server/api/endpoints/following/unstalk.ts
+++ b/src/server/api/endpoints/following/unstalk.ts
@@ -8,7 +8,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	const follower = user;
 
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Fetch following
diff --git a/src/server/api/endpoints/i/2fa/done.ts b/src/server/api/endpoints/i/2fa/done.ts
index 3e824feff..310e5c574 100644
--- a/src/server/api/endpoints/i/2fa/done.ts
+++ b/src/server/api/endpoints/i/2fa/done.ts
@@ -7,7 +7,7 @@ import User from '../../../../../models/user';
 
 module.exports = async (params, user) => new Promise(async (res, rej) => {
 	// Get 'token' parameter
-	const [token, tokenErr] = $(params.token).string().$;
+	const [token, tokenErr] = $(params.token).string().get();
 	if (tokenErr) return rej('invalid token param');
 
 	const _token = token.replace(/\s/g, '');
diff --git a/src/server/api/endpoints/i/2fa/register.ts b/src/server/api/endpoints/i/2fa/register.ts
index bed64a254..51f66dc2f 100644
--- a/src/server/api/endpoints/i/2fa/register.ts
+++ b/src/server/api/endpoints/i/2fa/register.ts
@@ -10,7 +10,7 @@ import config from '../../../../../config';
 
 module.exports = async (params, user) => new Promise(async (res, rej) => {
 	// Get 'password' parameter
-	const [password, passwordErr] = $(params.password).string().$;
+	const [password, passwordErr] = $(params.password).string().get();
 	if (passwordErr) return rej('invalid password param');
 
 	// Compare password
diff --git a/src/server/api/endpoints/i/2fa/unregister.ts b/src/server/api/endpoints/i/2fa/unregister.ts
index f9d7a25f5..9fd940dca 100644
--- a/src/server/api/endpoints/i/2fa/unregister.ts
+++ b/src/server/api/endpoints/i/2fa/unregister.ts
@@ -7,7 +7,7 @@ import User from '../../../../../models/user';
 
 module.exports = async (params, user) => new Promise(async (res, rej) => {
 	// Get 'password' parameter
-	const [password, passwordErr] = $(params.password).string().$;
+	const [password, passwordErr] = $(params.password).string().get();
 	if (passwordErr) return rej('invalid password param');
 
 	// Compare password
diff --git a/src/server/api/endpoints/i/authorized_apps.ts b/src/server/api/endpoints/i/authorized_apps.ts
index fd12b3dec..963509146 100644
--- a/src/server/api/endpoints/i/authorized_apps.ts
+++ b/src/server/api/endpoints/i/authorized_apps.ts
@@ -10,15 +10,15 @@ import { pack } from '../../../../models/app';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	// Get 'sort' parameter
-	const [sort = 'desc', sortError] = $(params.sort).optional.string().or('desc asc').$;
+	const [sort = 'desc', sortError] = $(params.sort).optional.string().or('desc asc').get();
 	if (sortError) return rej('invalid sort param');
 
 	// Get tokens
diff --git a/src/server/api/endpoints/i/change_password.ts b/src/server/api/endpoints/i/change_password.ts
index a24e9f0be..5c8c71d14 100644
--- a/src/server/api/endpoints/i/change_password.ts
+++ b/src/server/api/endpoints/i/change_password.ts
@@ -10,11 +10,11 @@ import User from '../../../../models/user';
  */
 module.exports = async (params, user) => new Promise(async (res, rej) => {
 	// Get 'currentPasword' parameter
-	const [currentPassword, currentPasswordErr] = $(params.currentPasword).string().$;
+	const [currentPassword, currentPasswordErr] = $(params.currentPasword).string().get();
 	if (currentPasswordErr) return rej('invalid currentPasword param');
 
 	// Get 'newPassword' parameter
-	const [newPassword, newPasswordErr] = $(params.newPassword).string().$;
+	const [newPassword, newPasswordErr] = $(params.newPassword).string().get();
 	if (newPasswordErr) return rej('invalid newPassword param');
 
 	// Compare password
diff --git a/src/server/api/endpoints/i/favorites.ts b/src/server/api/endpoints/i/favorites.ts
index a2c472ad1..a65f673a7 100644
--- a/src/server/api/endpoints/i/favorites.ts
+++ b/src/server/api/endpoints/i/favorites.ts
@@ -9,15 +9,15 @@ import Favorite, { pack } from '../../../../models/favorite';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
diff --git a/src/server/api/endpoints/i/notifications.ts b/src/server/api/endpoints/i/notifications.ts
index 14ade7b02..a0bf2338a 100644
--- a/src/server/api/endpoints/i/notifications.ts
+++ b/src/server/api/endpoints/i/notifications.ts
@@ -14,27 +14,27 @@ import read from '../../common/read-notification';
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'following' parameter
 	const [following = false, followingError] =
-		$(params.following).optional.boolean().$;
+		$(params.following).optional.boolean().get();
 	if (followingError) return rej('invalid following param');
 
 	// Get 'markAsRead' parameter
-	const [markAsRead = true, markAsReadErr] = $(params.markAsRead).optional.boolean().$;
+	const [markAsRead = true, markAsReadErr] = $(params.markAsRead).optional.boolean().get();
 	if (markAsReadErr) return rej('invalid markAsRead param');
 
 	// Get 'type' parameter
-	const [type, typeErr] = $(params.type).optional.array($().string()).unique().$;
+	const [type, typeErr] = $(params.type).optional.array($().string()).unique().get();
 	if (typeErr) return rej('invalid type param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
diff --git a/src/server/api/endpoints/i/pin.ts b/src/server/api/endpoints/i/pin.ts
index 761e41bbe..1d995746d 100644
--- a/src/server/api/endpoints/i/pin.ts
+++ b/src/server/api/endpoints/i/pin.ts
@@ -11,7 +11,7 @@ import { pack } from '../../../../models/user';
  */
 module.exports = async (params, user) => new Promise(async (res, rej) => {
 	// Get 'noteId' parameter
-	const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
+	const [noteId, noteIdErr] = $(params.noteId).type(ID).get();
 	if (noteIdErr) return rej('invalid noteId param');
 
 	// Fetch pinee
diff --git a/src/server/api/endpoints/i/regenerate_token.ts b/src/server/api/endpoints/i/regenerate_token.ts
index 945ddbdee..df440c68a 100644
--- a/src/server/api/endpoints/i/regenerate_token.ts
+++ b/src/server/api/endpoints/i/regenerate_token.ts
@@ -12,7 +12,7 @@ import generateUserToken from '../../common/generate-native-user-token';
  */
 module.exports = async (params, user) => new Promise(async (res, rej) => {
 	// Get 'password' parameter
-	const [password, passwordErr] = $(params.password).string().$;
+	const [password, passwordErr] = $(params.password).string().get();
 	if (passwordErr) return rej('invalid password param');
 
 	// Compare password
diff --git a/src/server/api/endpoints/i/signin_history.ts b/src/server/api/endpoints/i/signin_history.ts
index 77beca9fd..d505caad8 100644
--- a/src/server/api/endpoints/i/signin_history.ts
+++ b/src/server/api/endpoints/i/signin_history.ts
@@ -9,15 +9,15 @@ import Signin, { pack } from '../../../../models/signin';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
diff --git a/src/server/api/endpoints/i/update.ts b/src/server/api/endpoints/i/update.ts
index 7505e7338..2b7649702 100644
--- a/src/server/api/endpoints/i/update.ts
+++ b/src/server/api/endpoints/i/update.ts
@@ -12,42 +12,42 @@ module.exports = async (params, user, app) => new Promise(async (res, rej) => {
 	const isSecure = user != null && app == null;
 
 	// Get 'name' parameter
-	const [name, nameErr] = $(params.name).optional.nullable.string().pipe(isValidName).$;
+	const [name, nameErr] = $(params.name).optional.nullable.string().pipe(isValidName).get();
 	if (nameErr) return rej('invalid name param');
 	if (name) user.name = name;
 
 	// Get 'description' parameter
-	const [description, descriptionErr] = $(params.description).optional.nullable.string().pipe(isValidDescription).$;
+	const [description, descriptionErr] = $(params.description).optional.nullable.string().pipe(isValidDescription).get();
 	if (descriptionErr) return rej('invalid description param');
 	if (description !== undefined) user.description = description;
 
 	// Get 'location' parameter
-	const [location, locationErr] = $(params.location).optional.nullable.string().pipe(isValidLocation).$;
+	const [location, locationErr] = $(params.location).optional.nullable.string().pipe(isValidLocation).get();
 	if (locationErr) return rej('invalid location param');
 	if (location !== undefined) user.profile.location = location;
 
 	// Get 'birthday' parameter
-	const [birthday, birthdayErr] = $(params.birthday).optional.nullable.string().pipe(isValidBirthday).$;
+	const [birthday, birthdayErr] = $(params.birthday).optional.nullable.string().pipe(isValidBirthday).get();
 	if (birthdayErr) return rej('invalid birthday param');
 	if (birthday !== undefined) user.profile.birthday = birthday;
 
 	// Get 'avatarId' parameter
-	const [avatarId, avatarIdErr] = $(params.avatarId).optional.type(ID).$;
+	const [avatarId, avatarIdErr] = $(params.avatarId).optional.type(ID).get();
 	if (avatarIdErr) return rej('invalid avatarId param');
 	if (avatarId) user.avatarId = avatarId;
 
 	// Get 'bannerId' parameter
-	const [bannerId, bannerIdErr] = $(params.bannerId).optional.type(ID).$;
+	const [bannerId, bannerIdErr] = $(params.bannerId).optional.type(ID).get();
 	if (bannerIdErr) return rej('invalid bannerId param');
 	if (bannerId) user.bannerId = bannerId;
 
 	// Get 'isBot' parameter
-	const [isBot, isBotErr] = $(params.isBot).optional.boolean().$;
+	const [isBot, isBotErr] = $(params.isBot).optional.boolean().get();
 	if (isBotErr) return rej('invalid isBot param');
 	if (isBot != null) user.isBot = isBot;
 
 	// Get 'autoWatch' parameter
-	const [autoWatch, autoWatchErr] = $(params.autoWatch).optional.boolean().$;
+	const [autoWatch, autoWatchErr] = $(params.autoWatch).optional.boolean().get();
 	if (autoWatchErr) return rej('invalid autoWatch param');
 	if (autoWatch != null) user.settings.autoWatch = autoWatch;
 
diff --git a/src/server/api/endpoints/i/update_client_setting.ts b/src/server/api/endpoints/i/update_client_setting.ts
index f753c8bcc..2edc2104d 100644
--- a/src/server/api/endpoints/i/update_client_setting.ts
+++ b/src/server/api/endpoints/i/update_client_setting.ts
@@ -10,11 +10,11 @@ import event from '../../../../publishers/stream';
  */
 module.exports = async (params, user) => new Promise(async (res, rej) => {
 	// Get 'name' parameter
-	const [name, nameErr] = $(params.name).string().$;
+	const [name, nameErr] = $(params.name).string().get();
 	if (nameErr) return rej('invalid name param');
 
 	// Get 'value' parameter
-	const [value, valueErr] = $(params.value).nullable.any().$;
+	const [value, valueErr] = $(params.value).nullable.any().get();
 	if (valueErr) return rej('invalid value param');
 
 	const x = {};
diff --git a/src/server/api/endpoints/i/update_home.ts b/src/server/api/endpoints/i/update_home.ts
index 4b8ba2506..baf9b739a 100644
--- a/src/server/api/endpoints/i/update_home.ts
+++ b/src/server/api/endpoints/i/update_home.ts
@@ -12,15 +12,15 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 			.have('name', $().string())
 			.have('id', $().string())
 			.have('place', $().string())
-			.have('data', $().object())).$;
+			.have('data', $().object())).get();
 	if (homeErr) return rej('invalid home param');
 
 	// Get 'id' parameter
-	const [id, idErr] = $(params.id).optional.string().$;
+	const [id, idErr] = $(params.id).optional.string().get();
 	if (idErr) return rej('invalid id param');
 
 	// Get 'data' parameter
-	const [data, dataErr] = $(params.data).optional.object().$;
+	const [data, dataErr] = $(params.data).optional.object().get();
 	if (dataErr) return rej('invalid data param');
 
 	if (home) {
diff --git a/src/server/api/endpoints/i/update_mobile_home.ts b/src/server/api/endpoints/i/update_mobile_home.ts
index c3ecea717..21d94839b 100644
--- a/src/server/api/endpoints/i/update_mobile_home.ts
+++ b/src/server/api/endpoints/i/update_mobile_home.ts
@@ -11,15 +11,15 @@ module.exports = async (params, user) => new Promise(async (res, rej) => {
 		$().object(true)
 			.have('name', $().string())
 			.have('id', $().string())
-			.have('data', $().object())).$;
+			.have('data', $().object())).get();
 	if (homeErr) return rej('invalid home param');
 
 	// Get 'id' parameter
-	const [id, idErr] = $(params.id).optional.string().$;
+	const [id, idErr] = $(params.id).optional.string().get();
 	if (idErr) return rej('invalid id param');
 
 	// Get 'data' parameter
-	const [data, dataErr] = $(params.data).optional.object().$;
+	const [data, dataErr] = $(params.data).optional.object().get();
 	if (dataErr) return rej('invalid data param');
 
 	if (home) {
diff --git a/src/server/api/endpoints/messaging/history.ts b/src/server/api/endpoints/messaging/history.ts
index 654bf5c19..9fd1f80d7 100644
--- a/src/server/api/endpoints/messaging/history.ts
+++ b/src/server/api/endpoints/messaging/history.ts
@@ -11,7 +11,7 @@ import { pack } from '../../../../models/messaging-message';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	const mute = await Mute.find({
diff --git a/src/server/api/endpoints/messaging/messages.ts b/src/server/api/endpoints/messaging/messages.ts
index f28699cb8..f154133a1 100644
--- a/src/server/api/endpoints/messaging/messages.ts
+++ b/src/server/api/endpoints/messaging/messages.ts
@@ -16,7 +16,7 @@ import read from '../../common/read-messaging-message';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'userId' parameter
-	const [recipientId, recipientIdErr] = $(params.userId).type(ID).$;
+	const [recipientId, recipientIdErr] = $(params.userId).type(ID).get();
 	if (recipientIdErr) return rej('invalid userId param');
 
 	// Fetch recipient
@@ -33,19 +33,19 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	}
 
 	// Get 'markAsRead' parameter
-	const [markAsRead = true, markAsReadErr] = $(params.markAsRead).optional.boolean().$;
+	const [markAsRead = true, markAsReadErr] = $(params.markAsRead).optional.boolean().get();
 	if (markAsReadErr) return rej('invalid markAsRead param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
diff --git a/src/server/api/endpoints/messaging/messages/create.ts b/src/server/api/endpoints/messaging/messages/create.ts
index cce326be6..8b708eeaa 100644
--- a/src/server/api/endpoints/messaging/messages/create.ts
+++ b/src/server/api/endpoints/messaging/messages/create.ts
@@ -19,7 +19,7 @@ import config from '../../../../../config';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'userId' parameter
-	const [recipientId, recipientIdErr] = $(params.userId).type(ID).$;
+	const [recipientId, recipientIdErr] = $(params.userId).type(ID).get();
 	if (recipientIdErr) return rej('invalid userId param');
 
 	// Myself
@@ -41,11 +41,11 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	}
 
 	// Get 'text' parameter
-	const [text, textErr] = $(params.text).optional.string().pipe(isValidText).$;
+	const [text, textErr] = $(params.text).optional.string().pipe(isValidText).get();
 	if (textErr) return rej('invalid text');
 
 	// Get 'fileId' parameter
-	const [fileId, fileIdErr] = $(params.fileId).optional.type(ID).$;
+	const [fileId, fileIdErr] = $(params.fileId).optional.type(ID).get();
 	if (fileIdErr) return rej('invalid fileId param');
 
 	let file = null;
diff --git a/src/server/api/endpoints/mute/create.ts b/src/server/api/endpoints/mute/create.ts
index 0d59ecc11..aa9f6eb73 100644
--- a/src/server/api/endpoints/mute/create.ts
+++ b/src/server/api/endpoints/mute/create.ts
@@ -12,7 +12,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	const muter = user;
 
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// 自分自身
diff --git a/src/server/api/endpoints/mute/delete.ts b/src/server/api/endpoints/mute/delete.ts
index 3a37de9a2..f24db6770 100644
--- a/src/server/api/endpoints/mute/delete.ts
+++ b/src/server/api/endpoints/mute/delete.ts
@@ -12,7 +12,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	const muter = user;
 
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Check if the mutee is yourself
diff --git a/src/server/api/endpoints/mute/list.ts b/src/server/api/endpoints/mute/list.ts
index f35bf7d16..f7199db64 100644
--- a/src/server/api/endpoints/mute/list.ts
+++ b/src/server/api/endpoints/mute/list.ts
@@ -11,15 +11,15 @@ import { getFriendIds } from '../../common/get-friends';
  */
 module.exports = (params, me) => new Promise(async (res, rej) => {
 	// Get 'iknow' parameter
-	const [iknow = false, iknowErr] = $(params.iknow).optional.boolean().$;
+	const [iknow = false, iknowErr] = $(params.iknow).optional.boolean().get();
 	if (iknowErr) return rej('invalid iknow param');
 
 	// Get 'limit' parameter
-	const [limit = 30, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 30, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'cursor' parameter
-	const [cursor = null, cursorErr] = $(params.cursor).optional.type(ID).$;
+	const [cursor = null, cursorErr] = $(params.cursor).optional.type(ID).get();
 	if (cursorErr) return rej('invalid cursor param');
 
 	// Construct query
diff --git a/src/server/api/endpoints/my/apps.ts b/src/server/api/endpoints/my/apps.ts
index eb7ece70e..3b58b3024 100644
--- a/src/server/api/endpoints/my/apps.ts
+++ b/src/server/api/endpoints/my/apps.ts
@@ -9,11 +9,11 @@ import App, { pack } from '../../../../models/app';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	const query = {
diff --git a/src/server/api/endpoints/notes.ts b/src/server/api/endpoints/notes.ts
index bf4d5bc66..7be35961d 100644
--- a/src/server/api/endpoints/notes.ts
+++ b/src/server/api/endpoints/notes.ts
@@ -9,35 +9,35 @@ import Note, { pack } from '../../../models/note';
  */
 module.exports = (params) => new Promise(async (res, rej) => {
 	// Get 'reply' parameter
-	const [reply, replyErr] = $(params.reply).optional.boolean().$;
+	const [reply, replyErr] = $(params.reply).optional.boolean().get();
 	if (replyErr) return rej('invalid reply param');
 
 	// Get 'renote' parameter
-	const [renote, renoteErr] = $(params.renote).optional.boolean().$;
+	const [renote, renoteErr] = $(params.renote).optional.boolean().get();
 	if (renoteErr) return rej('invalid renote param');
 
 	// Get 'media' parameter
-	const [media, mediaErr] = $(params.media).optional.boolean().$;
+	const [media, mediaErr] = $(params.media).optional.boolean().get();
 	if (mediaErr) return rej('invalid media param');
 
 	// Get 'poll' parameter
-	const [poll, pollErr] = $(params.poll).optional.boolean().$;
+	const [poll, pollErr] = $(params.poll).optional.boolean().get();
 	if (pollErr) return rej('invalid poll param');
 
 	// Get 'bot' parameter
-	//const [bot, botErr] = $(params.bot).optional.boolean().$;
+	//const [bot, botErr] = $(params.bot).optional.boolean().get();
 	//if (botErr) return rej('invalid bot param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
diff --git a/src/server/api/endpoints/notes/context.ts b/src/server/api/endpoints/notes/context.ts
index 309fc2644..7e3533cfd 100644
--- a/src/server/api/endpoints/notes/context.ts
+++ b/src/server/api/endpoints/notes/context.ts
@@ -13,15 +13,15 @@ import Note, { pack } from '../../../../models/note';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'noteId' parameter
-	const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
+	const [noteId, noteIdErr] = $(params.noteId).type(ID).get();
 	if (noteIdErr) return rej('invalid noteId param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	// Lookup note
diff --git a/src/server/api/endpoints/notes/create.ts b/src/server/api/endpoints/notes/create.ts
index 1824a16c2..af4f36522 100644
--- a/src/server/api/endpoints/notes/create.ts
+++ b/src/server/api/endpoints/notes/create.ts
@@ -14,23 +14,23 @@ import { IApp } from '../../../../models/app';
  */
 module.exports = (params, user: ILocalUser, app: IApp) => new Promise(async (res, rej) => {
 	// Get 'visibility' parameter
-	const [visibility = 'public', visibilityErr] = $(params.visibility).optional.string().or(['public', 'unlisted', 'private', 'direct']).$;
+	const [visibility = 'public', visibilityErr] = $(params.visibility).optional.string().or(['public', 'unlisted', 'private', 'direct']).get();
 	if (visibilityErr) return rej('invalid visibility');
 
 	// Get 'text' parameter
-	const [text = null, textErr] = $(params.text).optional.nullable.string().pipe(isValidText).$;
+	const [text = null, textErr] = $(params.text).optional.nullable.string().pipe(isValidText).get();
 	if (textErr) return rej('invalid text');
 
 	// Get 'cw' parameter
-	const [cw, cwErr] = $(params.cw).optional.nullable.string().pipe(isValidCw).$;
+	const [cw, cwErr] = $(params.cw).optional.nullable.string().pipe(isValidCw).get();
 	if (cwErr) return rej('invalid cw');
 
 	// Get 'viaMobile' parameter
-	const [viaMobile = false, viaMobileErr] = $(params.viaMobile).optional.boolean().$;
+	const [viaMobile = false, viaMobileErr] = $(params.viaMobile).optional.boolean().get();
 	if (viaMobileErr) return rej('invalid viaMobile');
 
 	// Get 'tags' parameter
-	const [tags = [], tagsErr] = $(params.tags).optional.array($().string().range(1, 32)).unique().$;
+	const [tags = [], tagsErr] = $(params.tags).optional.array($().string().range(1, 32)).unique().get();
 	if (tagsErr) return rej('invalid tags');
 
 	// Get 'geo' parameter
@@ -43,11 +43,11 @@ module.exports = (params, user: ILocalUser, app: IApp) => new Promise(async (res
 		.have('altitudeAccuracy', $().nullable.number())
 		.have('heading', $().nullable.number().range(0, 360))
 		.have('speed', $().nullable.number())
-		.$;
+		.get();
 	if (geoErr) return rej('invalid geo');
 
 	// Get 'mediaIds' parameter
-	const [mediaIds, mediaIdsErr] = $(params.mediaIds).optional.array($().type(ID)).unique().range(1, 4).$;
+	const [mediaIds, mediaIdsErr] = $(params.mediaIds).optional.array($().type(ID)).unique().range(1, 4).get();
 	if (mediaIdsErr) return rej('invalid mediaIds');
 
 	let files = [];
@@ -74,7 +74,7 @@ module.exports = (params, user: ILocalUser, app: IApp) => new Promise(async (res
 	}
 
 	// Get 'renoteId' parameter
-	const [renoteId, renoteIdErr] = $(params.renoteId).optional.type(ID).$;
+	const [renoteId, renoteIdErr] = $(params.renoteId).optional.type(ID).get();
 	if (renoteIdErr) return rej('invalid renoteId');
 
 	let renote: INote = null;
@@ -95,7 +95,7 @@ module.exports = (params, user: ILocalUser, app: IApp) => new Promise(async (res
 	}
 
 	// Get 'replyId' parameter
-	const [replyId, replyIdErr] = $(params.replyId).optional.type(ID).$;
+	const [replyId, replyIdErr] = $(params.replyId).optional.type(ID).get();
 	if (replyIdErr) return rej('invalid replyId');
 
 	let reply: INote = null;
@@ -116,7 +116,7 @@ module.exports = (params, user: ILocalUser, app: IApp) => new Promise(async (res
 	}
 
 	// Get 'channelId' parameter
-	const [channelId, channelIdErr] = $(params.channelId).optional.type(ID).$;
+	const [channelId, channelIdErr] = $(params.channelId).optional.type(ID).get();
 	if (channelIdErr) return rej('invalid channelId');
 
 	let channel: IChannel = null;
@@ -162,7 +162,7 @@ module.exports = (params, user: ILocalUser, app: IApp) => new Promise(async (res
 			.unique()
 			.range(2, 10)
 			.each(c => c.length > 0 && c.length < 50))
-		.$;
+		.get();
 	if (pollErr) return rej('invalid poll');
 
 	if (poll) {
diff --git a/src/server/api/endpoints/notes/favorites/create.ts b/src/server/api/endpoints/notes/favorites/create.ts
index e4c4adb9b..e6396b85c 100644
--- a/src/server/api/endpoints/notes/favorites/create.ts
+++ b/src/server/api/endpoints/notes/favorites/create.ts
@@ -10,7 +10,7 @@ import Note from '../../../../../models/note';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'noteId' parameter
-	const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
+	const [noteId, noteIdErr] = $(params.noteId).type(ID).get();
 	if (noteIdErr) return rej('invalid noteId param');
 
 	// Get favoritee
diff --git a/src/server/api/endpoints/notes/favorites/delete.ts b/src/server/api/endpoints/notes/favorites/delete.ts
index 3c4d9a111..f1de42472 100644
--- a/src/server/api/endpoints/notes/favorites/delete.ts
+++ b/src/server/api/endpoints/notes/favorites/delete.ts
@@ -10,7 +10,7 @@ import Note from '../../../../../models/note';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'noteId' parameter
-	const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
+	const [noteId, noteIdErr] = $(params.noteId).type(ID).get();
 	if (noteIdErr) return rej('invalid noteId param');
 
 	// Get favoritee
diff --git a/src/server/api/endpoints/notes/global-timeline.ts b/src/server/api/endpoints/notes/global-timeline.ts
index e2a94d8a3..212345aac 100644
--- a/src/server/api/endpoints/notes/global-timeline.ts
+++ b/src/server/api/endpoints/notes/global-timeline.ts
@@ -11,23 +11,23 @@ import { pack } from '../../../../models/note';
  */
 module.exports = async (params, user, app) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) throw 'invalid limit param';
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) throw 'invalid sinceId param';
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) throw 'invalid untilId param';
 
 	// Get 'sinceDate' parameter
-	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().$;
+	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().get();
 	if (sinceDateErr) throw 'invalid sinceDate param';
 
 	// Get 'untilDate' parameter
-	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().$;
+	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().get();
 	if (untilDateErr) throw 'invalid untilDate param';
 
 	// Check if only one of sinceId, untilId, sinceDate, untilDate specified
diff --git a/src/server/api/endpoints/notes/local-timeline.ts b/src/server/api/endpoints/notes/local-timeline.ts
index dda83311a..12dd2d5a8 100644
--- a/src/server/api/endpoints/notes/local-timeline.ts
+++ b/src/server/api/endpoints/notes/local-timeline.ts
@@ -11,23 +11,23 @@ import { pack } from '../../../../models/note';
  */
 module.exports = async (params, user, app) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) throw 'invalid limit param';
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) throw 'invalid sinceId param';
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) throw 'invalid untilId param';
 
 	// Get 'sinceDate' parameter
-	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().$;
+	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().get();
 	if (sinceDateErr) throw 'invalid sinceDate param';
 
 	// Get 'untilDate' parameter
-	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().$;
+	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().get();
 	if (untilDateErr) throw 'invalid untilDate param';
 
 	// Check if only one of sinceId, untilId, sinceDate, untilDate specified
diff --git a/src/server/api/endpoints/notes/mentions.ts b/src/server/api/endpoints/notes/mentions.ts
index 815cf271a..db7c63089 100644
--- a/src/server/api/endpoints/notes/mentions.ts
+++ b/src/server/api/endpoints/notes/mentions.ts
@@ -16,19 +16,19 @@ import { pack } from '../../../../models/note';
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'following' parameter
 	const [following = false, followingError] =
-		$(params.following).optional.boolean().$;
+		$(params.following).optional.boolean().get();
 	if (followingError) return rej('invalid following param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
diff --git a/src/server/api/endpoints/notes/polls/recommendation.ts b/src/server/api/endpoints/notes/polls/recommendation.ts
index 24b0a4c80..1994c5ce7 100644
--- a/src/server/api/endpoints/notes/polls/recommendation.ts
+++ b/src/server/api/endpoints/notes/polls/recommendation.ts
@@ -10,11 +10,11 @@ import Note, { pack } from '../../../../../models/note';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	// Get votes
diff --git a/src/server/api/endpoints/notes/polls/vote.ts b/src/server/api/endpoints/notes/polls/vote.ts
index 2669c3908..1915e0c79 100644
--- a/src/server/api/endpoints/notes/polls/vote.ts
+++ b/src/server/api/endpoints/notes/polls/vote.ts
@@ -14,7 +14,7 @@ import notify from '../../../../../publishers/notify';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'noteId' parameter
-	const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
+	const [noteId, noteIdErr] = $(params.noteId).type(ID).get();
 	if (noteIdErr) return rej('invalid noteId param');
 
 	// Get votee
@@ -34,7 +34,7 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	const [choice, choiceError] =
 		$(params.choice).number()
 			.pipe(c => note.poll.choices.some(x => x.id == c))
-			.$;
+			.get();
 	if (choiceError) return rej('invalid choice param');
 
 	// if already voted
diff --git a/src/server/api/endpoints/notes/reactions.ts b/src/server/api/endpoints/notes/reactions.ts
index 68ffbacd4..75ed580de 100644
--- a/src/server/api/endpoints/notes/reactions.ts
+++ b/src/server/api/endpoints/notes/reactions.ts
@@ -14,19 +14,19 @@ import Reaction, { pack } from '../../../../models/note-reaction';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'noteId' parameter
-	const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
+	const [noteId, noteIdErr] = $(params.noteId).type(ID).get();
 	if (noteIdErr) return rej('invalid noteId param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	// Get 'sort' parameter
-	const [sort = 'desc', sortError] = $(params.sort).optional.string().or('desc asc').$;
+	const [sort = 'desc', sortError] = $(params.sort).optional.string().or('desc asc').get();
 	if (sortError) return rej('invalid sort param');
 
 	// Lookup note
diff --git a/src/server/api/endpoints/notes/reactions/create.ts b/src/server/api/endpoints/notes/reactions/create.ts
index 1c2125260..9dc1b3c82 100644
--- a/src/server/api/endpoints/notes/reactions/create.ts
+++ b/src/server/api/endpoints/notes/reactions/create.ts
@@ -11,11 +11,11 @@ import { validateReaction } from '../../../../../models/note-reaction';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'noteId' parameter
-	const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
+	const [noteId, noteIdErr] = $(params.noteId).type(ID).get();
 	if (noteIdErr) return rej('invalid noteId param');
 
 	// Get 'reaction' parameter
-	const [reaction, reactionErr] = $(params.reaction).string().pipe(validateReaction.ok).$;
+	const [reaction, reactionErr] = $(params.reaction).string().pipe(validateReaction.ok).get();
 	if (reactionErr) return rej('invalid reaction param');
 
 	// Fetch reactee
diff --git a/src/server/api/endpoints/notes/reactions/delete.ts b/src/server/api/endpoints/notes/reactions/delete.ts
index be3c1b214..6bd5edef4 100644
--- a/src/server/api/endpoints/notes/reactions/delete.ts
+++ b/src/server/api/endpoints/notes/reactions/delete.ts
@@ -10,7 +10,7 @@ import Note from '../../../../../models/note';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'noteId' parameter
-	const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
+	const [noteId, noteIdErr] = $(params.noteId).type(ID).get();
 	if (noteIdErr) return rej('invalid noteId param');
 
 	// Fetch unreactee
diff --git a/src/server/api/endpoints/notes/replies.ts b/src/server/api/endpoints/notes/replies.ts
index 31f1bb941..47c9ae501 100644
--- a/src/server/api/endpoints/notes/replies.ts
+++ b/src/server/api/endpoints/notes/replies.ts
@@ -13,19 +13,19 @@ import Note, { pack } from '../../../../models/note';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'noteId' parameter
-	const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
+	const [noteId, noteIdErr] = $(params.noteId).type(ID).get();
 	if (noteIdErr) return rej('invalid noteId param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	// Get 'sort' parameter
-	const [sort = 'desc', sortError] = $(params.sort).optional.string().or('desc asc').$;
+	const [sort = 'desc', sortError] = $(params.sort).optional.string().or('desc asc').get();
 	if (sortError) return rej('invalid sort param');
 
 	// Lookup note
diff --git a/src/server/api/endpoints/notes/reposts.ts b/src/server/api/endpoints/notes/reposts.ts
index fe9893138..b388ee599 100644
--- a/src/server/api/endpoints/notes/reposts.ts
+++ b/src/server/api/endpoints/notes/reposts.ts
@@ -13,19 +13,19 @@ import Note, { pack } from '../../../../models/note';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'noteId' parameter
-	const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
+	const [noteId, noteIdErr] = $(params.noteId).type(ID).get();
 	if (noteIdErr) return rej('invalid noteId param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
diff --git a/src/server/api/endpoints/notes/search.ts b/src/server/api/endpoints/notes/search.ts
index 021f620aa..8b3c78145 100644
--- a/src/server/api/endpoints/notes/search.ts
+++ b/src/server/api/endpoints/notes/search.ts
@@ -18,63 +18,63 @@ import { pack } from '../../../../models/note';
  */
 module.exports = (params, me) => new Promise(async (res, rej) => {
 	// Get 'text' parameter
-	const [text, textError] = $(params.text).optional.string().$;
+	const [text, textError] = $(params.text).optional.string().get();
 	if (textError) return rej('invalid text param');
 
 	// Get 'includeUserIds' parameter
-	const [includeUserIds = [], includeUserIdsErr] = $(params.includeUserIds).optional.array($().type(ID)).$;
+	const [includeUserIds = [], includeUserIdsErr] = $(params.includeUserIds).optional.array($().type(ID)).get();
 	if (includeUserIdsErr) return rej('invalid includeUserIds param');
 
 	// Get 'excludeUserIds' parameter
-	const [excludeUserIds = [], excludeUserIdsErr] = $(params.excludeUserIds).optional.array($().type(ID)).$;
+	const [excludeUserIds = [], excludeUserIdsErr] = $(params.excludeUserIds).optional.array($().type(ID)).get();
 	if (excludeUserIdsErr) return rej('invalid excludeUserIds param');
 
 	// Get 'includeUserUsernames' parameter
-	const [includeUserUsernames = [], includeUserUsernamesErr] = $(params.includeUserUsernames).optional.array($().string()).$;
+	const [includeUserUsernames = [], includeUserUsernamesErr] = $(params.includeUserUsernames).optional.array($().string()).get();
 	if (includeUserUsernamesErr) return rej('invalid includeUserUsernames param');
 
 	// Get 'excludeUserUsernames' parameter
-	const [excludeUserUsernames = [], excludeUserUsernamesErr] = $(params.excludeUserUsernames).optional.array($().string()).$;
+	const [excludeUserUsernames = [], excludeUserUsernamesErr] = $(params.excludeUserUsernames).optional.array($().string()).get();
 	if (excludeUserUsernamesErr) return rej('invalid excludeUserUsernames param');
 
 	// Get 'following' parameter
-	const [following = null, followingErr] = $(params.following).optional.nullable.boolean().$;
+	const [following = null, followingErr] = $(params.following).optional.nullable.boolean().get();
 	if (followingErr) return rej('invalid following param');
 
 	// Get 'mute' parameter
-	const [mute = 'mute_all', muteErr] = $(params.mute).optional.string().$;
+	const [mute = 'mute_all', muteErr] = $(params.mute).optional.string().get();
 	if (muteErr) return rej('invalid mute param');
 
 	// Get 'reply' parameter
-	const [reply = null, replyErr] = $(params.reply).optional.nullable.boolean().$;
+	const [reply = null, replyErr] = $(params.reply).optional.nullable.boolean().get();
 	if (replyErr) return rej('invalid reply param');
 
 	// Get 'renote' parameter
-	const [renote = null, renoteErr] = $(params.renote).optional.nullable.boolean().$;
+	const [renote = null, renoteErr] = $(params.renote).optional.nullable.boolean().get();
 	if (renoteErr) return rej('invalid renote param');
 
 	// Get 'media' parameter
-	const [media = null, mediaErr] = $(params.media).optional.nullable.boolean().$;
+	const [media = null, mediaErr] = $(params.media).optional.nullable.boolean().get();
 	if (mediaErr) return rej('invalid media param');
 
 	// Get 'poll' parameter
-	const [poll = null, pollErr] = $(params.poll).optional.nullable.boolean().$;
+	const [poll = null, pollErr] = $(params.poll).optional.nullable.boolean().get();
 	if (pollErr) return rej('invalid poll param');
 
 	// Get 'sinceDate' parameter
-	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().$;
+	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().get();
 	if (sinceDateErr) throw 'invalid sinceDate param';
 
 	// Get 'untilDate' parameter
-	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().$;
+	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().get();
 	if (untilDateErr) throw 'invalid untilDate param';
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 30).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 30).get();
 	if (limitErr) return rej('invalid limit param');
 
 	let includeUsers = includeUserIds;
diff --git a/src/server/api/endpoints/notes/show.ts b/src/server/api/endpoints/notes/show.ts
index 266e0687e..2a4f8f97e 100644
--- a/src/server/api/endpoints/notes/show.ts
+++ b/src/server/api/endpoints/notes/show.ts
@@ -13,7 +13,7 @@ import Note, { pack } from '../../../../models/note';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'noteId' parameter
-	const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
+	const [noteId, noteIdErr] = $(params.noteId).type(ID).get();
 	if (noteIdErr) return rej('invalid noteId param');
 
 	// Get note
diff --git a/src/server/api/endpoints/notes/timeline.ts b/src/server/api/endpoints/notes/timeline.ts
index 476d64158..222f0b795 100644
--- a/src/server/api/endpoints/notes/timeline.ts
+++ b/src/server/api/endpoints/notes/timeline.ts
@@ -13,23 +13,23 @@ import { pack } from '../../../../models/note';
  */
 module.exports = async (params, user, app) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) throw 'invalid limit param';
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) throw 'invalid sinceId param';
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) throw 'invalid untilId param';
 
 	// Get 'sinceDate' parameter
-	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().$;
+	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().get();
 	if (sinceDateErr) throw 'invalid sinceDate param';
 
 	// Get 'untilDate' parameter
-	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().$;
+	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().get();
 	if (untilDateErr) throw 'invalid untilDate param';
 
 	// Check if only one of sinceId, untilId, sinceDate, untilDate specified
@@ -38,11 +38,11 @@ module.exports = async (params, user, app) => {
 	}
 
 	// Get 'includeMyRenotes' parameter
-	const [includeMyRenotes = true, includeMyRenotesErr] = $(params.includeMyRenotes).optional.boolean().$;
+	const [includeMyRenotes = true, includeMyRenotesErr] = $(params.includeMyRenotes).optional.boolean().get();
 	if (includeMyRenotesErr) throw 'invalid includeMyRenotes param';
 
 	// Get 'includeRenotedMyNotes' parameter
-	const [includeRenotedMyNotes = true, includeRenotedMyNotesErr] = $(params.includeRenotedMyNotes).optional.boolean().$;
+	const [includeRenotedMyNotes = true, includeRenotedMyNotesErr] = $(params.includeRenotedMyNotes).optional.boolean().get();
 	if (includeRenotedMyNotesErr) throw 'invalid includeRenotedMyNotes param';
 
 	const [followings, watchingChannelIds, mutedUserIds] = await Promise.all([
diff --git a/src/server/api/endpoints/notes/trend.ts b/src/server/api/endpoints/notes/trend.ts
index 48ecd5b84..915d45ce9 100644
--- a/src/server/api/endpoints/notes/trend.ts
+++ b/src/server/api/endpoints/notes/trend.ts
@@ -14,27 +14,27 @@ import Note, { pack } from '../../../../models/note';
  */
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	// Get 'reply' parameter
-	const [reply, replyErr] = $(params.reply).optional.boolean().$;
+	const [reply, replyErr] = $(params.reply).optional.boolean().get();
 	if (replyErr) return rej('invalid reply param');
 
 	// Get 'renote' parameter
-	const [renote, renoteErr] = $(params.renote).optional.boolean().$;
+	const [renote, renoteErr] = $(params.renote).optional.boolean().get();
 	if (renoteErr) return rej('invalid renote param');
 
 	// Get 'media' parameter
-	const [media, mediaErr] = $(params.media).optional.boolean().$;
+	const [media, mediaErr] = $(params.media).optional.boolean().get();
 	if (mediaErr) return rej('invalid media param');
 
 	// Get 'poll' parameter
-	const [poll, pollErr] = $(params.poll).optional.boolean().$;
+	const [poll, pollErr] = $(params.poll).optional.boolean().get();
 	if (pollErr) return rej('invalid poll param');
 
 	const query = {
diff --git a/src/server/api/endpoints/notes/user-list-timeline.ts b/src/server/api/endpoints/notes/user-list-timeline.ts
index bb94fa0ab..8d4eb590c 100644
--- a/src/server/api/endpoints/notes/user-list-timeline.ts
+++ b/src/server/api/endpoints/notes/user-list-timeline.ts
@@ -12,23 +12,23 @@ import UserList from '../../../../models/user-list';
  */
 module.exports = async (params, user, app) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) throw 'invalid limit param';
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) throw 'invalid sinceId param';
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) throw 'invalid untilId param';
 
 	// Get 'sinceDate' parameter
-	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().$;
+	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().get();
 	if (sinceDateErr) throw 'invalid sinceDate param';
 
 	// Get 'untilDate' parameter
-	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().$;
+	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().get();
 	if (untilDateErr) throw 'invalid untilDate param';
 
 	// Check if only one of sinceId, untilId, sinceDate, untilDate specified
@@ -37,15 +37,15 @@ module.exports = async (params, user, app) => {
 	}
 
 	// Get 'includeMyRenotes' parameter
-	const [includeMyRenotes = true, includeMyRenotesErr] = $(params.includeMyRenotes).optional.boolean().$;
+	const [includeMyRenotes = true, includeMyRenotesErr] = $(params.includeMyRenotes).optional.boolean().get();
 	if (includeMyRenotesErr) throw 'invalid includeMyRenotes param';
 
 	// Get 'includeRenotedMyNotes' parameter
-	const [includeRenotedMyNotes = true, includeRenotedMyNotesErr] = $(params.includeRenotedMyNotes).optional.boolean().$;
+	const [includeRenotedMyNotes = true, includeRenotedMyNotesErr] = $(params.includeRenotedMyNotes).optional.boolean().get();
 	if (includeRenotedMyNotesErr) throw 'invalid includeRenotedMyNotes param';
 
 	// Get 'listId' parameter
-	const [listId, listIdErr] = $(params.listId).type(ID).$;
+	const [listId, listIdErr] = $(params.listId).type(ID).get();
 	if (listIdErr) throw 'invalid listId param';
 
 	const [list, mutedUserIds] = await Promise.all([
diff --git a/src/server/api/endpoints/othello/games.ts b/src/server/api/endpoints/othello/games.ts
index 3b23b6063..05bff180c 100644
--- a/src/server/api/endpoints/othello/games.ts
+++ b/src/server/api/endpoints/othello/games.ts
@@ -3,19 +3,19 @@ import OthelloGame, { pack } from '../../../../models/othello-game';
 
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'my' parameter
-	const [my = false, myErr] = $(params.my).optional.boolean().$;
+	const [my = false, myErr] = $(params.my).optional.boolean().get();
 	if (myErr) return rej('invalid my param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Check if both of sinceId and untilId is specified
diff --git a/src/server/api/endpoints/othello/games/show.ts b/src/server/api/endpoints/othello/games/show.ts
index d76c6556a..991bb9622 100644
--- a/src/server/api/endpoints/othello/games/show.ts
+++ b/src/server/api/endpoints/othello/games/show.ts
@@ -4,7 +4,7 @@ import Othello from '../../../../../othello/core';
 
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'gameId' parameter
-	const [gameId, gameIdErr] = $(params.gameId).type(ID).$;
+	const [gameId, gameIdErr] = $(params.gameId).type(ID).get();
 	if (gameIdErr) return rej('invalid gameId param');
 
 	const game = await OthelloGame.findOne({ _id: gameId });
diff --git a/src/server/api/endpoints/othello/match.ts b/src/server/api/endpoints/othello/match.ts
index b73b64437..9769c94da 100644
--- a/src/server/api/endpoints/othello/match.ts
+++ b/src/server/api/endpoints/othello/match.ts
@@ -7,7 +7,7 @@ import { eighteight } from '../../../../othello/maps';
 
 module.exports = (params, user) => new Promise(async (res, rej) => {
 	// Get 'userId' parameter
-	const [childId, childIdErr] = $(params.userId).type(ID).$;
+	const [childId, childIdErr] = $(params.userId).type(ID).get();
 	if (childIdErr) return rej('invalid userId param');
 
 	// Myself
diff --git a/src/server/api/endpoints/sw/register.ts b/src/server/api/endpoints/sw/register.ts
index 3fe0bda4e..222e6edc8 100644
--- a/src/server/api/endpoints/sw/register.ts
+++ b/src/server/api/endpoints/sw/register.ts
@@ -9,15 +9,15 @@ import Subscription from '../../../../models/sw-subscription';
  */
 module.exports = async (params, user, app) => new Promise(async (res, rej) => {
 	// Get 'endpoint' parameter
-	const [endpoint, endpointErr] = $(params.endpoint).string().$;
+	const [endpoint, endpointErr] = $(params.endpoint).string().get();
 	if (endpointErr) return rej('invalid endpoint param');
 
 	// Get 'auth' parameter
-	const [auth, authErr] = $(params.auth).string().$;
+	const [auth, authErr] = $(params.auth).string().get();
 	if (authErr) return rej('invalid auth param');
 
 	// Get 'publickey' parameter
-	const [publickey, publickeyErr] = $(params.publickey).string().$;
+	const [publickey, publickeyErr] = $(params.publickey).string().get();
 	if (publickeyErr) return rej('invalid publickey param');
 
 	// if already subscribed
diff --git a/src/server/api/endpoints/username/available.ts b/src/server/api/endpoints/username/available.ts
index bd27c37de..65b297683 100644
--- a/src/server/api/endpoints/username/available.ts
+++ b/src/server/api/endpoints/username/available.ts
@@ -13,7 +13,7 @@ import { validateUsername } from '../../../../models/user';
  */
 module.exports = async (params) => new Promise(async (res, rej) => {
 	// Get 'username' parameter
-	const [username, usernameError] = $(params.username).string().pipe(validateUsername).$;
+	const [username, usernameError] = $(params.username).string().pipe(validateUsername).get();
 	if (usernameError) return rej('invalid username param');
 
 	// Get exist
diff --git a/src/server/api/endpoints/users.ts b/src/server/api/endpoints/users.ts
index 5b389d452..2f7d00fa8 100644
--- a/src/server/api/endpoints/users.ts
+++ b/src/server/api/endpoints/users.ts
@@ -9,15 +9,15 @@ import User, { pack } from '../../../models/user';
  */
 module.exports = (params, me) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	// Get 'sort' parameter
-	const [sort, sortError] = $(params.sort).optional.string().or('+follower|-follower').$;
+	const [sort, sortError] = $(params.sort).optional.string().or('+follower|-follower').get();
 	if (sortError) return rej('invalid sort param');
 
 	// Construct query
diff --git a/src/server/api/endpoints/users/followers.ts b/src/server/api/endpoints/users/followers.ts
index 940b5ed9b..7892f633d 100644
--- a/src/server/api/endpoints/users/followers.ts
+++ b/src/server/api/endpoints/users/followers.ts
@@ -12,19 +12,19 @@ import { getFriendIds } from '../../common/get-friends';
  */
 module.exports = (params, me) => new Promise(async (res, rej) => {
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Get 'iknow' parameter
-	const [iknow = false, iknowErr] = $(params.iknow).optional.boolean().$;
+	const [iknow = false, iknowErr] = $(params.iknow).optional.boolean().get();
 	if (iknowErr) return rej('invalid iknow param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'cursor' parameter
-	const [cursor = null, cursorErr] = $(params.cursor).optional.type(ID).$;
+	const [cursor = null, cursorErr] = $(params.cursor).optional.type(ID).get();
 	if (cursorErr) return rej('invalid cursor param');
 
 	// Lookup user
diff --git a/src/server/api/endpoints/users/following.ts b/src/server/api/endpoints/users/following.ts
index 63a73a2e2..e584e61f9 100644
--- a/src/server/api/endpoints/users/following.ts
+++ b/src/server/api/endpoints/users/following.ts
@@ -16,19 +16,19 @@ import { getFriendIds } from '../../common/get-friends';
  */
 module.exports = (params, me) => new Promise(async (res, rej) => {
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Get 'iknow' parameter
-	const [iknow = false, iknowErr] = $(params.iknow).optional.boolean().$;
+	const [iknow = false, iknowErr] = $(params.iknow).optional.boolean().get();
 	if (iknowErr) return rej('invalid iknow param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'cursor' parameter
-	const [cursor = null, cursorErr] = $(params.cursor).optional.type(ID).$;
+	const [cursor = null, cursorErr] = $(params.cursor).optional.type(ID).get();
 	if (cursorErr) return rej('invalid cursor param');
 
 	// Lookup user
diff --git a/src/server/api/endpoints/users/get_frequently_replied_users.ts b/src/server/api/endpoints/users/get_frequently_replied_users.ts
index 4c00620a5..034684260 100644
--- a/src/server/api/endpoints/users/get_frequently_replied_users.ts
+++ b/src/server/api/endpoints/users/get_frequently_replied_users.ts
@@ -7,11 +7,11 @@ import User, { pack } from '../../../../models/user';
 
 module.exports = (params, me) => new Promise(async (res, rej) => {
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Lookup user
diff --git a/src/server/api/endpoints/users/lists/create.ts b/src/server/api/endpoints/users/lists/create.ts
index 6ae510f52..79a680c73 100644
--- a/src/server/api/endpoints/users/lists/create.ts
+++ b/src/server/api/endpoints/users/lists/create.ts
@@ -9,7 +9,7 @@ import UserList, { pack } from '../../../../../models/user-list';
  */
 module.exports = async (params, user) => new Promise(async (res, rej) => {
 	// Get 'title' parameter
-	const [title, titleErr] = $(params.title).string().range(1, 100).$;
+	const [title, titleErr] = $(params.title).string().range(1, 100).get();
 	if (titleErr) return rej('invalid title param');
 
 	// insert
diff --git a/src/server/api/endpoints/users/lists/push.ts b/src/server/api/endpoints/users/lists/push.ts
index 5d6f20152..ceb5692c8 100644
--- a/src/server/api/endpoints/users/lists/push.ts
+++ b/src/server/api/endpoints/users/lists/push.ts
@@ -11,7 +11,7 @@ import { deliver } from '../../../../../queue';
  */
 module.exports = async (params, me) => new Promise(async (res, rej) => {
 	// Get 'listId' parameter
-	const [listId, listIdErr] = $(params.listId).type(ID).$;
+	const [listId, listIdErr] = $(params.listId).type(ID).get();
 	if (listIdErr) return rej('invalid listId param');
 
 	// Fetch the list
@@ -25,7 +25,7 @@ module.exports = async (params, me) => new Promise(async (res, rej) => {
 	}
 
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).type(ID).$;
+	const [userId, userIdErr] = $(params.userId).type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Fetch the user
diff --git a/src/server/api/endpoints/users/lists/show.ts b/src/server/api/endpoints/users/lists/show.ts
index 61e0f0463..54e1df7b2 100644
--- a/src/server/api/endpoints/users/lists/show.ts
+++ b/src/server/api/endpoints/users/lists/show.ts
@@ -6,7 +6,7 @@ import UserList, { pack } from '../../../../../models/user-list';
  */
 module.exports = async (params, me) => new Promise(async (res, rej) => {
 	// Get 'listId' parameter
-	const [listId, listIdErr] = $(params.listId).type(ID).$;
+	const [listId, listIdErr] = $(params.listId).type(ID).get();
 	if (listIdErr) return rej('invalid listId param');
 
 	// Fetch the list
diff --git a/src/server/api/endpoints/users/notes.ts b/src/server/api/endpoints/users/notes.ts
index dafa18bcc..67b14b36a 100644
--- a/src/server/api/endpoints/users/notes.ts
+++ b/src/server/api/endpoints/users/notes.ts
@@ -11,11 +11,11 @@ import User from '../../../../models/user';
  */
 module.exports = (params, me) => new Promise(async (res, rej) => {
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).optional.type(ID).$;
+	const [userId, userIdErr] = $(params.userId).optional.type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Get 'username' parameter
-	const [username, usernameErr] = $(params.username).optional.string().$;
+	const [username, usernameErr] = $(params.username).optional.string().get();
 	if (usernameErr) return rej('invalid username param');
 
 	if (userId === undefined && username === undefined) {
@@ -23,7 +23,7 @@ module.exports = (params, me) => new Promise(async (res, rej) => {
 	}
 
 	// Get 'host' parameter
-	const [host, hostErr] = $(params.host).optional.string().$;
+	const [host, hostErr] = $(params.host).optional.string().get();
 	if (hostErr) return rej('invalid host param');
 
 	if (userId === undefined && host === undefined) {
@@ -31,31 +31,31 @@ module.exports = (params, me) => new Promise(async (res, rej) => {
 	}
 
 	// Get 'includeReplies' parameter
-	const [includeReplies = true, includeRepliesErr] = $(params.includeReplies).optional.boolean().$;
+	const [includeReplies = true, includeRepliesErr] = $(params.includeReplies).optional.boolean().get();
 	if (includeRepliesErr) return rej('invalid includeReplies param');
 
 	// Get 'withMedia' parameter
-	const [withMedia = false, withMediaErr] = $(params.withMedia).optional.boolean().$;
+	const [withMedia = false, withMediaErr] = $(params.withMedia).optional.boolean().get();
 	if (withMediaErr) return rej('invalid withMedia param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).$;
+	const [sinceId, sinceIdErr] = $(params.sinceId).optional.type(ID).get();
 	if (sinceIdErr) return rej('invalid sinceId param');
 
 	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).$;
+	const [untilId, untilIdErr] = $(params.untilId).optional.type(ID).get();
 	if (untilIdErr) return rej('invalid untilId param');
 
 	// Get 'sinceDate' parameter
-	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().$;
+	const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().get();
 	if (sinceDateErr) throw 'invalid sinceDate param';
 
 	// Get 'untilDate' parameter
-	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().$;
+	const [untilDate, untilDateErr] = $(params.untilDate).optional.number().get();
 	if (untilDateErr) throw 'invalid untilDate param';
 
 	// Check if only one of sinceId, untilId, sinceDate, untilDate specified
diff --git a/src/server/api/endpoints/users/recommendation.ts b/src/server/api/endpoints/users/recommendation.ts
index f72bb04bf..f48ac7cb2 100644
--- a/src/server/api/endpoints/users/recommendation.ts
+++ b/src/server/api/endpoints/users/recommendation.ts
@@ -16,11 +16,11 @@ import Mute from '../../../../models/mute';
  */
 module.exports = (params, me) => new Promise(async (res, rej) => {
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	// ID list of the user itself and other users who the user follows
diff --git a/src/server/api/endpoints/users/search.ts b/src/server/api/endpoints/users/search.ts
index da30f47c2..48630c6fd 100644
--- a/src/server/api/endpoints/users/search.ts
+++ b/src/server/api/endpoints/users/search.ts
@@ -16,15 +16,15 @@ const escapeRegexp = require('escape-regexp');
  */
 module.exports = (params, me) => new Promise(async (res, rej) => {
 	// Get 'query' parameter
-	const [query, queryError] = $(params.query).string().pipe(x => x != '').$;
+	const [query, queryError] = $(params.query).string().pipe(x => x != '').get();
 	if (queryError) return rej('invalid query param');
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	// Get 'max' parameter
-	const [max = 10, maxErr] = $(params.max).optional.number().range(1, 30).$;
+	const [max = 10, maxErr] = $(params.max).optional.number().range(1, 30).get();
 	if (maxErr) return rej('invalid max param');
 
 	// If Elasticsearch is available, search by $
diff --git a/src/server/api/endpoints/users/search_by_username.ts b/src/server/api/endpoints/users/search_by_username.ts
index 91d9ad1f3..da3834795 100644
--- a/src/server/api/endpoints/users/search_by_username.ts
+++ b/src/server/api/endpoints/users/search_by_username.ts
@@ -9,15 +9,15 @@ import User, { pack } from '../../../../models/user';
  */
 module.exports = (params, me) => new Promise(async (res, rej) => {
 	// Get 'query' parameter
-	const [query, queryError] = $(params.query).string().$;
+	const [query, queryError] = $(params.query).string().get();
 	if (queryError) return rej('invalid query param');
 
 	// Get 'offset' parameter
-	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).get();
 	if (offsetErr) return rej('invalid offset param');
 
 	// Get 'limit' parameter
-	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).get();
 	if (limitErr) return rej('invalid limit param');
 
 	const users = await User
diff --git a/src/server/api/endpoints/users/show.ts b/src/server/api/endpoints/users/show.ts
index 141565ece..89a868453 100644
--- a/src/server/api/endpoints/users/show.ts
+++ b/src/server/api/endpoints/users/show.ts
@@ -14,19 +14,19 @@ module.exports = (params, me) => new Promise(async (res, rej) => {
 	let user;
 
 	// Get 'userId' parameter
-	const [userId, userIdErr] = $(params.userId).optional.type(ID).$;
+	const [userId, userIdErr] = $(params.userId).optional.type(ID).get();
 	if (userIdErr) return rej('invalid userId param');
 
 	// Get 'userIds' parameter
-	const [userIds, userIdsErr] = $(params.userIds).optional.array($().type(ID)).$;
+	const [userIds, userIdsErr] = $(params.userIds).optional.array($().type(ID)).get();
 	if (userIdsErr) return rej('invalid userIds param');
 
 	// Get 'username' parameter
-	const [username, usernameErr] = $(params.username).optional.string().$;
+	const [username, usernameErr] = $(params.username).optional.string().get();
 	if (usernameErr) return rej('invalid username param');
 
 	// Get 'host' parameter
-	const [host, hostErr] = $(params.host).nullable.optional.string().$;
+	const [host, hostErr] = $(params.host).nullable.optional.string().get();
 	if (hostErr) return rej('invalid host param');
 
 	if (userIds) {
diff --git a/webpack.config.ts b/webpack.config.ts
index 96eaf9f4c..0e12fda63 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -5,6 +5,7 @@
 import * as fs from 'fs';
 import * as webpack from 'webpack';
 import chalk from 'chalk';
+const { VueLoaderPlugin } = require('vue-loader');
 import jsonImporter from 'node-sass-json-importer';
 const minifyHtml = require('html-minifier').minify;
 const WebpackOnBuildPlugin = require('on-build-webpack');
@@ -117,7 +118,8 @@ module.exports = entries.map(x => {
 			fs.writeFileSync('./built/client/meta.json', JSON.stringify({
 				version
 			}), 'utf-8');
-		})
+		}),
+		new VueLoaderPlugin()
 	];
 
 	if (isProduction) {
@@ -135,7 +137,9 @@ module.exports = entries.map(x => {
 					loader: 'vue-loader',
 					options: {
 						cssSourceMap: false,
-						preserveWhitespace: false
+						compilerOptions: {
+							preserveWhitespace: false
+						}
 					}
 				}, {
 					loader: 'replace',
@@ -165,17 +169,32 @@ module.exports = entries.map(x => {
 					}
 				}]
 			}, {
-				test: /\.styl$/,
+				test: /\.styl(us)?$/,
 				exclude: /node_modules/,
-				use: [{
-					loader: 'style-loader'
+				oneOf: [{
+					resourceQuery: /module/,
+					use: [{
+						loader: 'vue-style-loader'
+					}, {
+						loader: 'css-loader',
+						options: {
+							modules: true,
+							minimize: true
+						}
+					}, {
+						loader: 'stylus-loader'
+					}]
 				}, {
-					loader: 'css-loader',
-					options: {
-						minimize: true
-					}
-				}, {
-					loader: 'stylus-loader'
+					use: [{
+						loader: 'vue-style-loader'
+					}, {
+						loader: 'css-loader',
+						options: {
+							minimize: true
+						}
+					}, {
+						loader: 'stylus-loader'
+					}]
 				}]
 			}, {
 				test: /\.scss$/,
@@ -196,7 +215,7 @@ module.exports = entries.map(x => {
 			}, {
 				test: /\.css$/,
 				use: [{
-					loader: 'style-loader'
+					loader: 'vue-style-loader'
 				}, {
 					loader: 'css-loader',
 					options: {