paginate-arrays-js/dist/index.cjs

A library to paginate arrays in javascript

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var src_exports = {};
__export(src_exports, {
  cursorPaginate: () => cursorPaginate,
  paginate: () => paginate
});
module.exports = __toCommonJS(src_exports);
function paginate({
  data,
  page,
  perPage,
  url
}) {
  const offset = (page - 1) * perPage;
  const paginatedItems = data.slice(offset, page * perPage);
  const totalPage = Math.ceil(data.length / perPage);
  const nextPage = page < totalPage ? page + 1 : null;
  const prevPage = page > 1 ? page - 1 : null;
  const firstPage = 1;
  const lastPage = totalPage;
  const from = offset + 1;
  const to = offset + paginatedItems.length;
  const urlWithPage = (page2) => `${url}?page=${page2}`;
  const pagination = {
    totalPage,
    nextPage,
    prevPage,
    firstPage,
    lastPage,
    from,
    to,
    perPage,
    total: data.length,
    currentPage: page,
    hasPrevPage: page > 1,
    hasNextPage: page < totalPage,
    url: urlWithPage(page)
  };
  return {
    data: paginatedItems,
    pagination
  };
}
function cursorPaginate({
  data,
  perPage,
  identifier,
  after,
  before
}) {
  var _a, _b;
  let offset = 0;
  if (after) {
    offset = data.findIndex((item) => item[identifier] === after) + 1;
  }
  if (before) {
    offset = data.findIndex((item) => item[identifier] === before);
  }
  const paginatedItems = data.slice(offset, offset + perPage);
  const totalPages = Math.ceil(data.length / perPage);
  const hasNextPage = offset + perPage < data.length;
  const hasPrevPage = offset > 0;
  const startCursor = (_a = paginatedItems[0]) == null ? void 0 : _a[identifier];
  const endCursor = (_b = paginatedItems[paginatedItems.length - 1]) == null ? void 0 : _b[identifier];
  const pagination = {
    hasNextPage,
    hasPrevPage,
    startCursor,
    endCursor,
    totalPages
  };
  return {
    data: paginatedItems,
    pagination
  };
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  cursorPaginate,
  paginate
});
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