新增模块: - 友链(friendlink)后端处理 + 前端管理页与友链板 - 书库(library):导入、章节、封面、阅读页、横竖版自适应 AdaptiveCoverSlot - 顶栏导航(header_nav)配置与 MobileTabBar/MobileRailDrawers 移动端抽屉 - 排行榜 service 测试、站点页面测试、时间线发布(timeline_release) 其它改动: - 后端 handlers/services 全量小幅调整 - 前端组件、库函数、URL/品牌/站点 URL 工具更新 - Lightbox 图片、MdEntries 条目卡、coverColor 派生色相等前端能力
40 lines
1.1 KiB
TypeScript
40 lines
1.1 KiB
TypeScript
import type { LibrarySectionItem } from "@/lib/api";
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/** 章 → 其下小节(保持平铺顺序;顺序沿用后端 sort_order) */
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export function groupSections(sections: LibrarySectionItem[]) {
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const groups: { chapter: LibrarySectionItem; subs: LibrarySectionItem[] }[] = [];
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for (const s of sections) {
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if (s.parent_id == null) {
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groups.push({ chapter: s, subs: [] });
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} else {
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groups[groups.length - 1]?.subs.push(s);
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}
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}
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return groups;
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}
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export interface ChapterNav {
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/** 当前章下标(0 起) */
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index: number;
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/** 章总数 */
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total: number;
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prev: LibrarySectionItem | null;
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next: LibrarySectionItem | null;
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}
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/** 当前章在章节序列中的位置与相邻章(找不到回落第一章) */
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export function chapterNav(
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groups: { chapter: LibrarySectionItem }[],
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currentId: number | null
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): ChapterNav {
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const total = groups.length;
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let index = groups.findIndex((g) => g.chapter.id === currentId);
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if (index < 0) index = 0;
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return {
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index,
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total,
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prev: index > 0 ? groups[index - 1].chapter : null,
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next: index < total - 1 ? groups[index + 1].chapter : null,
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};
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}
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