1 | import { assert } from '@ember/debug';
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2 | import { guidFor } from '@ember/object/internals';
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3 | import EmberOrderedSet from '@ember/ordered-set';
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4 |
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5 | export default class EmberDataOrderedSet<T> extends EmberOrderedSet<T> {
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6 | static create() {
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7 | return new this();
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8 | }
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9 |
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10 | addWithIndex(obj: T, idx?: number) {
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11 | let guid = guidFor(obj);
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12 | let presenceSet = this.presenceSet;
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13 | let list = this.list;
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14 |
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15 | if (presenceSet[guid] === true) {
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16 | return;
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17 | }
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18 |
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19 | presenceSet[guid] = true;
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20 |
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21 | if (idx === undefined || idx === null) {
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22 | list.push(obj);
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23 | } else {
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24 | list.splice(idx, 0, obj);
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25 | }
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26 |
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27 | this.size += 1;
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28 |
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29 | return this;
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30 | }
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31 |
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32 | deleteWithIndex(obj: T | null, idx?: number): boolean {
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33 | let guid = guidFor(obj);
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34 | let presenceSet = this.presenceSet;
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35 | let list = this.list;
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36 |
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37 | if (presenceSet[guid] === true) {
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38 | delete presenceSet[guid];
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39 |
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40 | assert('object is not present at specified index', idx === undefined || list[idx] === obj);
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41 |
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42 | let index = idx !== undefined ? idx : list.indexOf(obj);
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43 | if (index > -1) {
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44 | list.splice(index, 1);
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45 | }
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46 | this.size = list.length;
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47 | return true;
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48 | } else {
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49 | return false;
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50 | }
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51 | }
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52 | }
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