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9 | 'use strict';
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10 |
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11 | var ExecutionEnvironment = require('fbjs/lib/ExecutionEnvironment');
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12 |
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13 | var getVendorPrefixedEventName = require('react-dom/lib/getVendorPrefixedEventName');
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14 |
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15 | var endEvents = [];
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16 |
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17 | function detectEvents() {
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18 | var animEnd = getVendorPrefixedEventName('animationend');
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19 | var transEnd = getVendorPrefixedEventName('transitionend');
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20 |
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21 | if (animEnd) {
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22 | endEvents.push(animEnd);
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23 | }
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24 |
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25 | if (transEnd) {
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26 | endEvents.push(transEnd);
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27 | }
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28 | }
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29 |
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30 | if (ExecutionEnvironment.canUseDOM) {
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31 | detectEvents();
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32 | }
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33 |
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34 |
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35 |
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36 |
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37 |
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38 |
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39 | function addEventListener(node, eventName, eventListener) {
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40 | node.addEventListener(eventName, eventListener, false);
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41 | }
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42 |
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43 | function removeEventListener(node, eventName, eventListener) {
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44 | node.removeEventListener(eventName, eventListener, false);
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45 | }
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46 |
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47 | var ReactTransitionEvents = {
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48 | addEndEventListener: function (node, eventListener) {
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49 | if (endEvents.length === 0) {
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50 |
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51 |
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52 | window.setTimeout(eventListener, 0);
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53 | return;
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54 | }
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55 | endEvents.forEach(function (endEvent) {
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56 | addEventListener(node, endEvent, eventListener);
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57 | });
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58 | },
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59 |
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60 | removeEndEventListener: function (node, eventListener) {
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61 | if (endEvents.length === 0) {
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62 | return;
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63 | }
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64 | endEvents.forEach(function (endEvent) {
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65 | removeEventListener(node, endEvent, eventListener);
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66 | });
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67 | }
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68 | };
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69 |
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70 | module.exports = ReactTransitionEvents; |
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