42 lines
1.4 KiB
TypeScript
42 lines
1.4 KiB
TypeScript
import type { FeedSortId, FeedSortTab } from '../api/types';
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import { DEFAULT_FEED_SORT_TABS } from '../api/types';
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const FEED_SORT_IDS: FeedSortId[] = ['reply', 'latest', 'hot'];
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const DEFAULT_LABELS: Record<FeedSortId, string> = {
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reply: '新评论',
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latest: '新帖子',
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hot: '推荐帖',
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};
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/** 校验并补全 Feed 排序标签；至少保留一项启用 */
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export function normalizeFeedSortTabs(tabs?: FeedSortTab[] | null): FeedSortTab[] {
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const seen = new Set<FeedSortId>();
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const out: FeedSortTab[] = [];
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for (const t of tabs ?? []) {
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if (!FEED_SORT_IDS.includes(t.id) || seen.has(t.id)) continue;
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seen.add(t.id);
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const label = (t.label || '').trim() || DEFAULT_LABELS[t.id];
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out.push({ id: t.id, label, enabled: !!t.enabled });
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}
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for (const id of FEED_SORT_IDS) {
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if (seen.has(id)) continue;
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const fallback = DEFAULT_FEED_SORT_TABS.find(t => t.id === id)!;
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out.push({ ...fallback });
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}
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if (!out.some(t => t.enabled) && out.length > 0) {
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out[0] = { ...out[0], enabled: true };
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}
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return out;
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}
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/** 启用中的排序标签（按配置顺序） */
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export function enabledFeedSortTabs(tabs?: FeedSortTab[] | null): FeedSortTab[] {
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return normalizeFeedSortTabs(tabs).filter(t => t.enabled);
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}
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/** 默认排序 = 第一个启用项 */
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export function getDefaultFeedSort(tabs?: FeedSortTab[] | null): FeedSortId {
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return enabledFeedSortTabs(tabs)[0]?.id ?? 'reply';
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}
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