| 1 | {"version":3,"file":"react-paginating.umd.js","sources":["../src/Pagination/utils.js","../src/Pagination/Pagination.js"],"sourcesContent":["export function getRange(start, end) {\n return [...Array(end - start + 1)].map((_, i) => start + i);\n}\n\nexport function getPageInfo({ limit, pageCount, total, page }) {\n const totalPages = Math.ceil(total / limit);\n\n const totalResults = parseInt(total, 10);\n let currentPage = parseInt(page, 10);\n\n if (currentPage < 1) {\n currentPage = 1;\n }\n\n if (currentPage > totalPages) {\n currentPage = totalPages;\n }\n\n let firstPage = Math.max(1, currentPage - Math.floor(pageCount / 2));\n\n let lastPage = Math.min(totalPages, currentPage + Math.floor(pageCount / 2));\n\n if (lastPage - firstPage + 1 < pageCount) {\n if (currentPage < totalPages / 2) {\n lastPage = Math.min(\n totalPages,\n lastPage + (pageCount - (lastPage - firstPage))\n );\n } else {\n firstPage = Math.max(1, firstPage - (pageCount - (lastPage - firstPage)));\n }\n }\n\n if (lastPage - firstPage + 1 > pageCount) {\n if (currentPage > totalPages / 2) {\n // eslint-disable-next-line\n firstPage++;\n } else {\n // eslint-disable-next-line\n lastPage--;\n }\n }\n const firstResult = limit * (currentPage - 1);\n const lastResult = limit * currentPage - 1;\n\n return {\n totalPages,\n pages: Math.min(lastPage - firstPage + 1, totalPages),\n currentPage,\n firstPage,\n lastPage,\n previousPage: currentPage - 1,\n nextPage: currentPage + 1,\n hasPreviousPage: currentPage > 1,\n hasNextPage: currentPage < totalPages,\n totalResults,\n results: Math.min(lastResult - firstResult + 1, totalResults),\n firstResult,\n lastResult\n };\n}\n","import React, { Component } from 'react';\nimport PropTypes from 'prop-types';\n\nimport { getRange, getPageInfo } from './utils';\n\nclass Pagination extends Component {\n constructor() {\n super();\n this.state = {\n currentPage: 0,\n };\n }\n\n componentWillMount() {\n if (this.props.currentPage) {\n this.setState({\n currentPage: parseInt(this.props.currentPage, 10),\n });\n }\n }\n\n componentWillReceiveProps(nextProps) {\n if (nextProps.currentPage !== this.props.currentPage) {\n this.setState({\n currentPage: parseInt(nextProps.currentPage, 10),\n });\n }\n }\n\n _getPageItemProps = props => {\n const { pageValue, onPageChange: handlePageChange, ...rest } = props;\n\n const onPageChange = e => {\n if (typeof handlePageChange === 'function') {\n handlePageChange(pageValue, e);\n }\n this.setState({\n currentPage: pageValue,\n });\n };\n\n return {\n onClick: onPageChange,\n ...rest,\n };\n };\n\n render() {\n const { total, limit, pageCount } = this.props;\n const { currentPage } = this.state;\n\n const pageInfo = getPageInfo({\n limit,\n pageCount,\n total,\n page: currentPage,\n });\n\n const {\n firstPage,\n lastPage,\n hasNextPage,\n hasPreviousPage,\n previousPage,\n nextPage,\n totalPages,\n } = pageInfo;\n\n const pages = total ? getRange(firstPage, lastPage) : [];\n\n return (\n <div>\n {this.props.children({\n pages,\n previousPage,\n nextPage,\n totalPages,\n currentPage,\n hasNextPage,\n hasPreviousPage,\n getPageItemProps: this._getPageItemProps,\n })}\n </div>\n );\n }\n}\n\nPagination.propTypes = {\n total: PropTypes.number.isRequired,\n limit: PropTypes.number,\n pageCount: PropTypes.number,\n currentPage: PropTypes.number,\n pageValue: PropTypes.number,\n children: PropTypes.func.isRequired,\n onPageChange: PropTypes.func,\n};\n\nPagination.defaultProps = {\n limit: 10,\n pageCount: 5,\n currentPage: 0,\n pageValue: 0,\n};\n\nexport default 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