handsontable/plugins/multiColumnSorting/rootComparator.js

Handsontable is a JavaScript Spreadsheet Component available for React, Angular and Vue.

"use strict";

require("core-js/modules/es.array.slice.js");

exports.__esModule = true;
exports.rootComparator = rootComparator;

var _sortService = require("../columnSorting/sortService");

function _toArray(arr) { return _arrayWithHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _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 _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

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

/**
 * Sort comparator handled by conventional sort algorithm.
 *
 * @param {Array} sortingOrders Sort orders (`asc` for ascending, `desc` for descending).
 * @param {Array} columnMetas Column meta objects.
 * @returns {Function}
 */
function rootComparator(sortingOrders, columnMetas) {
  return function (rowIndexWithValues, nextRowIndexWithValues) {
    // We sort array of arrays. Single array is in form [rowIndex, ...values].
    // We compare just values, stored at second index of array.
    var _rowIndexWithValues = _toArray(rowIndexWithValues),
        values = _rowIndexWithValues.slice(1);

    var _nextRowIndexWithValu = _toArray(nextRowIndexWithValues),
        nextValues = _nextRowIndexWithValu.slice(1);

    return function getCompareResult(column) {
      var sortingOrder = sortingOrders[column];
      var columnMeta = columnMetas[column];
      var value = values[column];
      var nextValue = nextValues[column];
      var pluginSettings = columnMeta.multiColumnSorting;
      var compareFunctionFactory = pluginSettings.compareFunctionFactory ? pluginSettings.compareFunctionFactory : (0, _sortService.getCompareFunctionFactory)(columnMeta.type);
      var compareResult = compareFunctionFactory(sortingOrder, columnMeta, pluginSettings)(value, nextValue);

      if (compareResult === _sortService.DO_NOT_SWAP) {
        var nextSortedColumn = column + 1;

        if (typeof columnMetas[nextSortedColumn] !== 'undefined') {
          return getCompareResult(nextSortedColumn);
        }
      }

      return compareResult;
    }(0);
  };
}