1 | 'use strict';
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 |
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7 | function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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8 |
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9 | var getImmediateChildren = function getImmediateChildren() {
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10 | var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
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11 | index = _ref.index,
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12 | _ref$idField = _ref.idField,
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13 | idField = _ref$idField === undefined ? 'id' : _ref$idField,
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14 | _ref$parentField = _ref.parentField,
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15 | parentField = _ref$parentField === undefined ? 'parent' : _ref$parentField;
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16 |
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17 | return function (rows) {
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18 | if (!rows.length) {
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19 | return [];
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20 | }
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21 |
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22 |
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23 |
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24 | var currentIndex = index;
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25 | var currentItem = rows[currentIndex];
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26 | var nextItem = rows[currentIndex + 1];
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27 |
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28 | if (!currentItem) {
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29 | return [];
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30 | }
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31 |
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32 | var originalParent = currentItem[idField];
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33 | var previousParents = _defineProperty({}, originalParent, true);
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34 | var ret = [];
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35 |
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36 | while (nextItem && previousParents[nextItem[parentField]]) {
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37 | if (originalParent === nextItem[parentField]) {
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38 | ret.push(nextItem);
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39 | }
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40 |
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41 | previousParents[nextItem[idField]] = true;
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42 |
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43 | currentIndex += 1;
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44 | currentItem = rows[currentIndex];
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45 | nextItem = rows[currentIndex + 1];
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46 | }
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47 |
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48 | return ret;
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49 | };
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50 | };
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51 |
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52 | exports.default = getImmediateChildren; |
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