CursorSource

A source for a large or unknown-length set you fetch one page at a time (SQL LIMIT/OFFSET, a paged API). The fetcher receives the page index and the page size and reports whether a next page exists. A cursor source has no cheap total, so totalPages is undefined, the last button is omitted, and the indicator reads "Page X".

class CursorSource<Item> extends CursorSourceBase<Item, PageContext>

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constructor

Constructs a new instance of the CursorSourceBase class

CursorSourceBase(
    fetch: (
        ctx: Ctx,
        page: number,
        perPage: number
    ) => Promisable<{
        items: readonly Item[];
        hasNext: boolean;
    }>,
    opts?: { perPage?: number }
)

Inherited from:CursorSourceBase

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Methods

page()

Item

The item type, inferred from the fetcher's slice.

Item

page()

async page(
    ctx: Ctx,
    n: number
): Promise<PageView<Item>>

Inherited from:CursorSourceBase