diff --git a/src/client/components/note-detailed.vue b/src/client/components/note-detailed.vue
index b5bc054e5e..1ef3f43389 100644
--- a/src/client/components/note-detailed.vue
+++ b/src/client/components/note-detailed.vue
@@ -140,6 +140,7 @@ import { checkWordMute } from '@/scripts/check-word-mute';
 import { userPage } from '@/filters/user';
 import * as os from '@/os';
 import { noteActions, noteViewInterruptors } from '@/store';
+import { reactionPicker } from '@/scripts/reaction-picker';
 
 function markRawAll(...xs) {
 	for (const x of xs) {
@@ -523,7 +524,7 @@ export default defineComponent({
 		react(viaKeyboard = false) {
 			pleaseLogin();
 			this.blur();
-			os.pickReaction(this.$refs.reactButton, reaction => {
+			reactionPicker.show(this.$refs.reactButton, reaction => {
 				os.api('notes/reactions/create', {
 					noteId: this.appearNote.id,
 					reaction: reaction
diff --git a/src/client/components/note.vue b/src/client/components/note.vue
index bc2f87fe85..65e09b7802 100644
--- a/src/client/components/note.vue
+++ b/src/client/components/note.vue
@@ -122,6 +122,7 @@ import { checkWordMute } from '@/scripts/check-word-mute';
 import { userPage } from '@/filters/user';
 import * as os from '@/os';
 import { noteActions, noteViewInterruptors } from '@/store';
+import { reactionPicker } from '@/scripts/reaction-picker';
 
 function markRawAll(...xs) {
 	for (const x of xs) {
@@ -498,7 +499,7 @@ export default defineComponent({
 		react(viaKeyboard = false) {
 			pleaseLogin();
 			this.blur();
-			os.pickReaction(this.$refs.reactButton, reaction => {
+			reactionPicker.show(this.$refs.reactButton, reaction => {
 				os.api('notes/reactions/create', {
 					noteId: this.appearNote.id,
 					reaction: reaction
diff --git a/src/client/init.ts b/src/client/init.ts
index b3c53db7bb..596312ff71 100644
--- a/src/client/init.ts
+++ b/src/client/init.ts
@@ -62,6 +62,7 @@ import { isMobile } from '@/scripts/is-mobile';
 import { getThemes } from '@/theme-store';
 import { initializeSw } from '@/scripts/initialize-sw';
 import { reloadChannel } from '@/scripts/unison-reload';
+import { reactionPicker } from '@/scripts/reaction-picker';
 
 console.info(`Misskey v${version}`);
 
@@ -222,6 +223,7 @@ await router.isReady();
 //document.body.innerHTML = '<div id="app"></div>';
 
 app.mount('body');
+reactionPicker.init();
 
 watch(defaultStore.reactiveState.darkMode, (darkMode) => {
 	import('@/scripts/theme').then(({ builtinThemes }) => {
diff --git a/src/client/os.ts b/src/client/os.ts
index 2b72391bf5..9be45e6c6d 100644
--- a/src/client/os.ts
+++ b/src/client/os.ts
@@ -357,38 +357,6 @@ export async function openEmojiPicker(src?: HTMLElement, opts, initialTextarea:
 	});
 }
 
-let reactionPicker = null;
-export async function pickReaction(src: HTMLElement, chosen, closed) {
-	if (reactionPicker) {
-		reactionPicker.src.value = src;
-		reactionPicker.manualShowing.value = true;
-		reactionPicker.chosen = chosen;
-		reactionPicker.closed = closed;
-	} else {
-		reactionPicker = {
-			src: ref(src),
-			manualShowing: ref(true),
-			chosen, closed
-		};
-		popup(import('@/components/emoji-picker-dialog.vue'), {
-			src: reactionPicker.src,
-			asReactionPicker: true,
-			manualShowing: reactionPicker.manualShowing
-		}, {
-			done: reaction => {
-				reactionPicker.chosen(reaction);
-			},
-			close: () => {
-				reactionPicker.manualShowing.value = false;
-			},
-			closed: () => {
-				reactionPicker.src.value = null;
-				reactionPicker.closed();
-			}
-		});
-	}
-}
-
 export function modalMenu(items: any[], src?: HTMLElement, options?: { align?: string; viaKeyboard?: boolean }) {
 	return new Promise((resolve, reject) => {
 		let dispose;
diff --git a/src/client/scripts/reaction-picker.ts b/src/client/scripts/reaction-picker.ts
new file mode 100644
index 0000000000..e923326ece
--- /dev/null
+++ b/src/client/scripts/reaction-picker.ts
@@ -0,0 +1,41 @@
+import { Ref, ref } from 'vue';
+import { popup } from '@/os';
+
+class ReactionPicker {
+	private src: Ref<HTMLElement | null> = ref(null);
+	private manualShowing = ref(false);
+	private onChosen?: Function;
+	private onClosed?: Function;
+
+	constructor() {
+		// nop
+	}
+
+	public async init() {
+		await popup(import('@/components/emoji-picker-dialog.vue'), {
+			src: this.src,
+			asReactionPicker: true,
+			manualShowing: this.manualShowing
+		}, {
+			done: reaction => {
+				this.onChosen!(reaction);
+			},
+			close: () => {
+				this.manualShowing.value = false;
+			},
+			closed: () => {
+				this.src.value = null;
+				this.onClosed!();
+			}
+		});
+	}
+
+	public show(src: HTMLElement, onChosen: Function, onClosed: Function) {
+		this.src.value = src;
+		this.manualShowing.value = true;
+		this.onChosen = onChosen;
+		this.onClosed = onClosed;
+	}
+}
+
+export const reactionPicker = new ReactionPicker();
diff --git a/src/client/ui/chat/note.vue b/src/client/ui/chat/note.vue
index bd7bbc5a4f..5a4a13d889 100644
--- a/src/client/ui/chat/note.vue
+++ b/src/client/ui/chat/note.vue
@@ -121,6 +121,7 @@ import { checkWordMute } from '@/scripts/check-word-mute';
 import { userPage } from '@/filters/user';
 import * as os from '@/os';
 import { noteActions, noteViewInterruptors } from '@/store';
+import { reactionPicker } from '@/scripts/reaction-picker';
 
 function markRawAll(...xs) {
 	for (const x of xs) {
@@ -504,7 +505,7 @@ export default defineComponent({
 			pleaseLogin();
 			this.operating = true;
 			this.blur();
-			os.pickReaction(this.$refs.reactButton, reaction => {
+			reactionPicker.show(this.$refs.reactButton, reaction => {
 				os.api('notes/reactions/create', {
 					noteId: this.appearNote.id,
 					reaction: reaction