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perf(frontend): ノート表示時のMFMパース処理を減らす

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This commit is contained in:
syuilo 2023-11-01 10:23:20 +09:00
parent bf01c1ee64
commit d6fe897923
5 changed files with 12 additions and 12 deletions
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7
packages/frontend/src/components/MkNote.vue
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@ -60,7 +60,7 @@ SPDX-License-Identifier: AGPL-3.0-only
<div :class="$style.text">
<span v-if="appearNote.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
<MkA v-if="appearNote.replyId" :class="$style.replyIcon" :to="`/notes/${appearNote.replyId}`"><i class="ti ti-arrow-back-up"></i></MkA>
<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :nyaize="'account'" :i="$i" :emojiUrls="appearNote.emojis"/>
<Mfm v-if="appearNote.text" :parsedNodes="parsed" :text="appearNote.text" :author="appearNote.user" :nyaize="'account'" :i="$i" :emojiUrls="appearNote.emojis"/>
<div v-if="translating || translation" :class="$style.translation">
<MkLoading v-if="translating" mini/>
<div v-else>
@ -209,8 +209,9 @@ const clipButton = shallowRef<HTMLElement>();
let appearNote = $computed(() => isRenote ? note.renote as Misskey.entities.Note : note);
const isMyRenote = $i && ($i.id === note.userId);
const showContent = ref(false);
const urls = appearNote.text ? extractUrlFromMfm(mfm.parse(appearNote.text)) : null;
const isLong = shouldCollapsed(appearNote);
const parsed = appearNote.text ? mfm.parse(appearNote.text) : null;
const urls = parsed ? extractUrlFromMfm(parsed) : null;
const isLong = shouldCollapsed(appearNote, urls ?? []);
const collapsed = ref(appearNote.cw == null && isLong);
const isDeleted = ref(false);
const muted = ref($i ? checkWordMute(appearNote, $i, $i.mutedWords) : false);

5
packages/frontend/src/components/MkNoteDetailed.vue
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@ -73,7 +73,7 @@ SPDX-License-Identifier: AGPL-3.0-only
<div v-show="appearNote.cw == null || showContent">
<span v-if="appearNote.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
<MkA v-if="appearNote.replyId" :class="$style.noteReplyTarget" :to="`/notes/${appearNote.replyId}`"><i class="ti ti-arrow-back-up"></i></MkA>
<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :nyaize="'account'" :i="$i" :emojiUrls="appearNote.emojis"/>
<Mfm v-if="appearNote.text" :parsedNodes="parsed" :text="appearNote.text" :author="appearNote.user" :nyaize="'account'" :i="$i" :emojiUrls="appearNote.emojis"/>
<a v-if="appearNote.renote != null" :class="$style.rn">RN:</a>
<div v-if="translating || translation" :class="$style.translation">
<MkLoading v-if="translating" mini/>
@ -260,7 +260,8 @@ const isDeleted = ref(false);
const muted = ref($i ? checkWordMute(appearNote, $i, $i.mutedWords) : false);
const translation = ref(null);
const translating = ref(false);
const urls = appearNote.text ? extractUrlFromMfm(mfm.parse(appearNote.text)) : null;
const parsed = appearNote.text ? mfm.parse(appearNote.text) : null;
const urls = parsed ? extractUrlFromMfm(parsed) : null;
const showTicker = (defaultStore.state.instanceTicker === 'always') || (defaultStore.state.instanceTicker === 'remote' && appearNote.user.instance);
const conversation = ref<Misskey.entities.Note[]>([]);
const replies = ref<Misskey.entities.Note[]>([]);

2
packages/frontend/src/components/MkSubNoteContent.vue
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@ -42,7 +42,7 @@ const props = defineProps<{
note: Misskey.entities.Note;
}>();
const isLong = shouldCollapsed(props.note);
const isLong = shouldCollapsed(props.note, []);
const collapsed = $ref(isLong);
</script>

3
packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts
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@ -38,6 +38,7 @@ type MfmProps = {
emojiUrls?: string[];
rootScale?: number;
nyaize: boolean | 'account';
parsedNodes?: mfm.MfmNode[] | null;
};
// eslint-disable-next-line import/no-default-export
@ -48,7 +49,7 @@ export default function(props: MfmProps) {
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
if (props.text == null || props.text === '') return;
const rootAst = (props.plain ? mfm.parseSimple : mfm.parse)(props.text);
const rootAst = props.parsedNodes ?? (props.plain ? mfm.parseSimple : mfm.parse)(props.text);
const validTime = (t: string | null | undefined) => {
if (t == null) return null;

7
packages/frontend/src/scripts/collapsed.ts
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@ -3,12 +3,9 @@
* SPDX-License-Identifier: AGPL-3.0-only
*/
import * as mfm from 'mfm-js';
import * as Misskey from 'misskey-js';
import { extractUrlFromMfm } from './extract-url-from-mfm.js';
export function shouldCollapsed(note: Misskey.entities.Note): boolean {
const urls = note.text ? extractUrlFromMfm(mfm.parse(note.text)) : null;
export function shouldCollapsed(note: Misskey.entities.Note, urls: string[]): boolean {
const collapsed = note.cw == null && note.text != null && (
(note.text.includes('$[x2')) ||
(note.text.includes('$[x3')) ||
@ -17,7 +14,7 @@ export function shouldCollapsed(note: Misskey.entities.Note): boolean {
(note.text.split('\n').length > 9) ||
(note.text.length > 500) ||
(note.files.length >= 5) ||
(!!urls && urls.length >= 4)
(urls.length >= 4)
);
return collapsed;