36 lines
1.3 KiB
TypeScript
36 lines
1.3 KiB
TypeScript
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import type { Channel } from '@/api/types';
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export interface ChannelGroup {
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category: Channel | null;
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channels: Channel[];
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}
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/**
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* Группирует комнаты по категориям, сохраняя порядок `position`.
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* Невидимые комнаты (`can_view === false`) сервер обычно не присылает,
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* но если прислал — прячем их на клиенте.
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*/
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export function groupChannels(channels: Channel[]): ChannelGroup[] {
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const visible = channels
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.filter((channel) => channel.can_view !== false && channel.type !== 'category')
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.slice()
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.sort((left, right) => left.position - right.position);
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const categories = channels
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.filter((channel) => channel.type === 'category')
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.slice()
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.sort((left, right) => left.position - right.position);
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const groups: ChannelGroup[] = [];
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const uncategorized = visible.filter((channel) => channel.parent_id === undefined);
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if (uncategorized.length > 0) {
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groups.push({ category: null, channels: uncategorized });
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}
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for (const category of categories) {
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const children = visible.filter((channel) => channel.parent_id === category.id);
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if (children.length > 0) {
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groups.push({ category, channels: children });
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}
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}
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return groups;
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}
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