66 lines
2.2 KiB
Plaintext
66 lines
2.2 KiB
Plaintext
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import { AstroError, AstroErrorData } from "../errors/index.js";
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function generatePaginateFunction(routeMatch) {
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return function paginateUtility(data, args = {}) {
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let { pageSize: _pageSize, params: _params, props: _props } = args;
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const pageSize = _pageSize || 10;
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const paramName = "page";
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const additionalParams = _params || {};
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const additionalProps = _props || {};
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let includesFirstPageNumber;
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if (routeMatch.params.includes(`...${paramName}`)) {
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includesFirstPageNumber = false;
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} else if (routeMatch.params.includes(`${paramName}`)) {
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includesFirstPageNumber = true;
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} else {
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throw new AstroError({
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...AstroErrorData.PageNumberParamNotFound,
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message: AstroErrorData.PageNumberParamNotFound.message(paramName)
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});
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}
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const lastPage = Math.max(1, Math.ceil(data.length / pageSize));
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const result = [...Array(lastPage).keys()].map((num) => {
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const pageNum = num + 1;
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const start = pageSize === Infinity ? 0 : (pageNum - 1) * pageSize;
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const end = Math.min(start + pageSize, data.length);
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const params = {
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...additionalParams,
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[paramName]: includesFirstPageNumber || pageNum > 1 ? String(pageNum) : void 0
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};
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const current = correctIndexRoute(routeMatch.generate({ ...params }));
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const next = pageNum === lastPage ? void 0 : correctIndexRoute(routeMatch.generate({ ...params, page: String(pageNum + 1) }));
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const prev = pageNum === 1 ? void 0 : correctIndexRoute(
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routeMatch.generate({
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...params,
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page: !includesFirstPageNumber && pageNum - 1 === 1 ? void 0 : String(pageNum - 1)
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})
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);
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return {
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params,
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props: {
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...additionalProps,
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page: {
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data: data.slice(start, end),
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start,
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end: end - 1,
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size: pageSize,
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total: data.length,
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currentPage: pageNum,
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lastPage,
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url: { current, next, prev }
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}
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}
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};
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});
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return result;
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};
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}
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function correctIndexRoute(route) {
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if (route === "") {
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return "/";
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}
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return route;
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}
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export {
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generatePaginateFunction
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};
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