@pubsweet/ui/dist/molecules/Pagination.js

React component library for use in pubsweet apps

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = exports.usePagination = void 0;

var _react = _interopRequireWildcard(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

var _styledComponents = _interopRequireDefault(require("styled-components"));

var _uiToolkit = require("@pubsweet/ui-toolkit");

var _ = require("..");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _templateObject3() {
  var data = _taggedTemplateLiteral(["\n  margin: 0;\n"]);

  _templateObject3 = function _templateObject3() {
    return data;
  };

  return data;
}

function _templateObject2() {
  var data = _taggedTemplateLiteral(["\n  margin: 0 ", ";\n  width: calc(", " * 4);\n  height: calc(", " * 3);\n  text-align: center;\n  vertical-align: middle;\n\n  ", ";\n"]);

  _templateObject2 = function _templateObject2() {
    return data;
  };

  return data;
}

function _templateObject() {
  var data = _taggedTemplateLiteral(["\n  align-items: center;\n  display: flex;\n  justify-content: center;\n\n  ", ";\n"]);

  _templateObject = function _templateObject() {
    return data;
  };

  return data;
}

function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

var usePagination = function usePagination() {
  var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  var perPage = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 10;
  var startPage = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;

  var getLastPage = function getLastPage() {
    var floor = Math.floor(items.length / perPage);
    return items.length % perPage ? floor : floor - 1;
  };

  var _useState = (0, _react.useState)(Math.min(Math.max(0, startPage), getLastPage())),
      _useState2 = _slicedToArray(_useState, 2),
      page = _useState2[0],
      setPage = _useState2[1];

  var _useState3 = (0, _react.useState)(perPage),
      _useState4 = _slicedToArray(_useState3, 2),
      itemsPerPage = _useState4[0],
      setItemsPerPage = _useState4[1];

  var toFirst = function toFirst() {
    setPage(0);
  };

  var toLast = function toLast() {
    setPage(getLastPage());
  };

  var changeItemsPerPage = function changeItemsPerPage(e) {
    setItemsPerPage(e.target.value);
    setPage(0);
  };

  var nextPage = function nextPage() {
    setPage(function (page) {
      return page * itemsPerPage + itemsPerPage < items.length ? page + 1 : page;
    });
  };

  var prevPage = function prevPage() {
    setPage(function (page) {
      return Math.max(0, page - 1);
    });
  };

  return {
    page: page,
    toLast: toLast,
    setPage: setPage,
    toFirst: toFirst,
    prevPage: prevPage,
    nextPage: nextPage,
    itemsPerPage: itemsPerPage,
    changeItemsPerPage: changeItemsPerPage,
    maxItems: items.length,
    hasMore: itemsPerPage * (page + 1) < items.length,
    paginatedItems: items.slice(page * itemsPerPage, itemsPerPage * (page + 1))
  };
};

exports.usePagination = usePagination;

var Pagination = function Pagination(_ref) {
  var _ref$items = _ref.items,
      items = _ref$items === void 0 ? [] : _ref$items,
      startPage = _ref.startPage,
      itemsPerPage = _ref.itemsPerPage,
      children = _ref.children;

  var _usePagination = usePagination(items, itemsPerPage, startPage),
      paginatedItems = _usePagination.paginatedItems,
      controls = _objectWithoutProperties(_usePagination, ["paginatedItems"]);

  var ui = /*#__PURE__*/_react["default"].createElement(Root, null, /*#__PURE__*/_react["default"].createElement(StyledH6, null, "Showing"), /*#__PURE__*/_react["default"].createElement(TextInput, {
    "data-test-id": "pagination-input",
    onChange: controls.changeItemsPerPage,
    value: controls.itemsPerPage
  }), controls.page !== 0 && /*#__PURE__*/_react["default"].createElement(_react.Fragment, null, /*#__PURE__*/_react["default"].createElement(_.Icon, {
    "data-test-id": "pagination-first",
    onClick: controls.toFirst
  }, "chevrons_left"), /*#__PURE__*/_react["default"].createElement(_.Icon, {
    "data-test-id": "pagination-prev",
    onClick: controls.prevPage
  }, "chevron_left")), /*#__PURE__*/_react["default"].createElement(StyledH6, {
    "data-test-id": "pagination-label"
  }, "".concat(controls.page * controls.itemsPerPage + 1, " to ").concat(controls.hasMore ? controls.itemsPerPage * (controls.page + 1) : controls.maxItems, " out of ").concat(items.length)), controls.hasMore && /*#__PURE__*/_react["default"].createElement(_react.Fragment, null, /*#__PURE__*/_react["default"].createElement(_.Icon, {
    "data-test-id": "pagination-next",
    onClick: controls.nextPage
  }, "chevron_right"), /*#__PURE__*/_react["default"].createElement(_.Icon, {
    "data-test-id": "pagination-last",
    onClick: controls.toLast
  }, "chevrons_right")));

  return children({
    ui: ui,
    paginatedItems: paginatedItems,
    controls: controls
  });
};

Pagination.usePagination = usePagination;
Pagination.defaultProps = {
  startPage: 0,
  itemsPerPage: 10
};
Pagination.propTypes = {
  /** Items to paginate. */
  items: _propTypes["default"].arrayOf(_propTypes["default"].any).isRequired,

  /** The starting page of the pagination. Will be set to first or last possible page if given out of bounds values. */
  startPage: _propTypes["default"].number,

  /** How many items should a page have. */
  itemsPerPage: _propTypes["default"].number
}; // @component

var _default = Pagination; // #region styles

exports["default"] = _default;

var Root = _styledComponents["default"].div(_templateObject(), (0, _uiToolkit.override)('ui.Pagination'));

var TextInput = _styledComponents["default"].input(_templateObject2(), (0, _uiToolkit.th)('gridUnit'), (0, _uiToolkit.th)('gridUnit'), (0, _uiToolkit.th)('gridUnit'), (0, _uiToolkit.override)('ui.Pagination.Input'));

var StyledH6 = (0, _styledComponents["default"])(_.H6)(_templateObject3()); // #endregion