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refactor: use set instead of array

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Namekuji 2023-08-22 09:13:49 -04:00
parent 5b6f8bebf5
commit 64aaff1f3d
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1 changed files with 7 additions and 7 deletions
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14
packages/backend/src/server/api/endpoints/hashtags/trend.ts
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@ -82,7 +82,7 @@ export default define(meta, paramDef, async () => {
const tags: {
name: string;
users: Note["userId"][];
users: Set<Note["userId"]>;
}[] = [];
for (const [_, fields] of tagNotes) {
@ -91,16 +91,16 @@ export default define(meta, paramDef, async () => {
if (hiddenTags.includes(name)) continue;
const index = tags.findIndex((tag) => tag.name === name);
if (index >= 0 && !tags[index].users.includes(userId)) {
tags[index].users.push(userId);
} else if (index < 0) {
tags.push({ name, users: [userId] });
if (index >= 0) {
tags[index].users.add(userId);
} else {
tags.push({ name, users: new Set([userId]) });
}
}
// Sort tags by their popularity
const hots = tags
.sort((a, b) => b.users.length - a.users.length)
.sort((a, b) => b.users.size - a.users.size)
.map((tag) => tag.name)
.slice(0, max);
@ -108,7 +108,7 @@ export default define(meta, paramDef, async () => {
const stats = hots.map((tag, i) => ({
tag,
chart: [], // FIXME: generate chart
usersCount: tags[i].users.length,
usersCount: tags[i].users.size,
}));
return stats;