From 799f5ab50421bf6bed20146b13d6c2ca230874f3 Mon Sep 17 00:00:00 2001
From: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>
Date: Sun, 15 Feb 2026 12:08:10 +0900
Subject: enhance(frontend): いくつかのtodoの解消 (#17154)
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---
 packages/frontend/src/components/MkPostForm.vue | 26 ++++++++++++++++++++-----
 packages/frontend/src/stream.ts                 |  1 -
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 72a7f4a01c..d709286041 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -114,7 +114,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { watch, nextTick, onMounted, defineAsyncComponent, provide, shallowRef, ref, computed, useTemplateRef, onUnmounted } from 'vue';
+import { watch, nextTick, onMounted, defineAsyncComponent, provide, shallowRef, ref, computed, useTemplateRef, onUnmounted, onBeforeUnmount } from 'vue';
 import * as mfm from 'mfm-js';
 import * as Misskey from 'misskey-js';
 import insertTextAtCursor from 'insert-text-at-cursor';
@@ -227,6 +227,10 @@ const targetChannel = shallowRef(props.channel);
 const serverDraftId = ref<string | null>(null);
 const postFormActions = getPluginHandlers('post_form_action');
 
+let textAutocomplete: Autocomplete | null = null;
+let cwAutocomplete: Autocomplete | null = null;
+let hashtagAutocomplete: Autocomplete | null = null;
+
 const uploader = useUploader({
 	multiple: true,
 });
@@ -1408,10 +1412,9 @@ onMounted(() => {
 		});
 	}
 
-	// TODO: detach when unmount
-	if (textareaEl.value) new Autocomplete(textareaEl.value, text);
-	if (cwInputEl.value) new Autocomplete(cwInputEl.value, cw);
-	if (hashtagsInputEl.value) new Autocomplete(hashtagsInputEl.value, hashtags);
+	if (textareaEl.value) textAutocomplete = new Autocomplete(textareaEl.value, text);
+	if (cwInputEl.value) cwAutocomplete = new Autocomplete(cwInputEl.value, cw);
+	if (hashtagsInputEl.value) hashtagAutocomplete = new Autocomplete(hashtagsInputEl.value, hashtags);
 
 	nextTick(() => {
 		// 書きかけの投稿を復元
@@ -1468,6 +1471,19 @@ onMounted(() => {
 	});
 });
 
+onBeforeUnmount(() => {
+	uploader.abortAll();
+	if (textAutocomplete) {
+		textAutocomplete.detach();
+	}
+	if (cwAutocomplete) {
+		cwAutocomplete.detach();
+	}
+	if (hashtagAutocomplete) {
+		hashtagAutocomplete.detach();
+	}
+});
+
 async function canClose() {
 	if (!uploader.allItemsUploaded.value) {
 		const { canceled } = await os.confirm({
diff --git a/packages/frontend/src/stream.ts b/packages/frontend/src/stream.ts
index adbde3fee2..4e6917e0af 100644
--- a/packages/frontend/src/stream.ts
+++ b/packages/frontend/src/stream.ts
@@ -18,7 +18,6 @@ let lastHeartbeatCall = 0;
 export function useStream(): Misskey.IStream {
 	if (stream) return stream;
 
-	// TODO: No Websocketモードもここで判定
 	stream = markRaw(new Misskey.Stream(wsOrigin, $i ? {
 		token: $i.token,
 	} : null));
-- 
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