30 lines
1.0 KiB
TypeScript
30 lines
1.0 KiB
TypeScript
/**
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* 分页循环请求直至拿全数据（接口需返回 { list, total }）。
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* 用于分类、单位、用户等列表接口，避免只取第一页导致下拉选项不全。
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*/
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/** 与后端 `/web/admin/*` 列表普遍 `Query(..., le=100)` 一致，超出会 422 */
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export const MAX_ADMIN_LIST_PAGE_SIZE = 100
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export async function fetchAllPagedRecords<T>(
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fetchPage: (page: number, pageSize: number) => Promise<{ list?: T[]; total?: number }>,
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options?: { pageSize?: number; maxPages?: number }
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): Promise<T[]> {
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const requested = options?.pageSize ?? MAX_ADMIN_LIST_PAGE_SIZE
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const pageSize = Math.min(Math.max(1, requested), MAX_ADMIN_LIST_PAGE_SIZE)
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const maxPages = options?.maxPages ?? 50
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let page = 1
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const all: T[] = []
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let total = 0
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while (page <= maxPages) {
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const res = await fetchPage(page, pageSize)
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total = res.total ?? 0
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const list = res.list ?? []
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all.push(...list)
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if (list.length === 0 || all.length >= total || list.length < pageSize) break
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page += 1
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}
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return all
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}
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