yumechi-no-kuni/packages/client/src/scripts/use-note-capture.ts

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import { onUnmounted, Ref } from 'vue';
import * as misskey from 'misskey-js';
import { stream } from '@/stream';
import { $i } from '@/account';
export function useNoteCapture(props: {
rootEl: Ref<HTMLElement>;
note: Ref<misskey.entities.Note>;
isDeletedRef: Ref<boolean>;
}) {
const note = props.note;
const connection = $i ? stream : null;
function onStreamNoteUpdated(data): void {
const { type, id, body } = data;
if (id !== note.value.id) return;
switch (type) {
case 'reacted': {
const reaction = body.reaction;
if (body.emoji) {
const emojis = note.value.emojis || [];
if (!emojis.includes(body.emoji)) {
note.value.emojis = [...emojis, body.emoji];
}
}
// TODO: reactionsプロパティがない場合ってあったっけ なければ || {} は消せる
const currentCount = (note.value.reactions || {})[reaction] || 0;
note.value.reactions[reaction] = currentCount + 1;
if ($i && (body.userId === $i.id)) {
note.value.myReaction = reaction;
}
break;
}
case 'unreacted': {
const reaction = body.reaction;
// TODO: reactionsプロパティがない場合ってあったっけ なければ || {} は消せる
const currentCount = (note.value.reactions || {})[reaction] || 0;
note.value.reactions[reaction] = Math.max(0, currentCount - 1);
if ($i && (body.userId === $i.id)) {
note.value.myReaction = null;
}
break;
}
case 'pollVoted': {
const choice = body.choice;
const choices = [...note.value.poll.choices];
choices[choice] = {
...choices[choice],
votes: choices[choice].votes + 1,
...($i && (body.userId === $i.id) ? {
isVoted: true
} : {})
};
note.value.poll.choices = choices;
break;
}
case 'deleted': {
props.isDeletedRef.value = true;
break;
}
}
}
function capture(withHandler = false): void {
if (connection) {
// TODO: このノートがストリーミング経由で流れてきた場合のみ sr する
connection.send(document.body.contains(props.rootEl.value) ? 'sr' : 's', { id: note.value.id });
if (withHandler) connection.on('noteUpdated', onStreamNoteUpdated);
}
}
function decapture(withHandler = false): void {
if (connection) {
connection.send('un', {
id: note.value.id,
});
if (withHandler) connection.off('noteUpdated', onStreamNoteUpdated);
}
}
function onStreamConnected() {
capture(false);
}
capture(true);
if (connection) {
connection.on('_connected_', onStreamConnected);
}
onUnmounted(() => {
decapture(true);
if (connection) {
connection.off('_connected_', onStreamConnected);
}
});
}