1 | 'use strict';
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2 |
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3 |
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4 |
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5 |
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6 |
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7 | var ReactIs = require('react-is');
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8 | var React = require('react');
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9 | var REACT_STATICS = {
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10 | childContextTypes: true,
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11 | contextType: true,
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12 | contextTypes: true,
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13 | defaultProps: true,
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14 | displayName: true,
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15 | getDefaultProps: true,
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16 | getDerivedStateFromProps: true,
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17 | mixins: true,
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18 | propTypes: true,
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19 | type: true
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20 | };
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21 |
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22 | var KNOWN_STATICS = {
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23 | name: true,
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24 | length: true,
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25 | prototype: true,
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26 | caller: true,
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27 | callee: true,
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28 | arguments: true,
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29 | arity: true
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30 | };
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31 |
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32 | var FORWARD_REF_STATICS = {
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33 | '$$typeof': true,
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34 | render: true
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35 | };
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36 |
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37 | var TYPE_STATICS = {};
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38 | TYPE_STATICS[ReactIs.ForwardRef] = FORWARD_REF_STATICS;
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39 |
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40 | var defineProperty = Object.defineProperty;
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41 | var getOwnPropertyNames = Object.getOwnPropertyNames;
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42 | var getOwnPropertySymbols = Object.getOwnPropertySymbols;
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43 | var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
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44 | var getPrototypeOf = Object.getPrototypeOf;
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45 | var objectPrototype = Object.prototype;
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46 |
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47 | function hoistNonReactStatics(targetComponent, sourceComponent, blacklist) {
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48 | if (typeof sourceComponent !== 'string') {
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49 |
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50 |
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51 | if (objectPrototype) {
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52 | var inheritedComponent = getPrototypeOf(sourceComponent);
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53 | if (inheritedComponent && inheritedComponent !== objectPrototype) {
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54 | hoistNonReactStatics(targetComponent, inheritedComponent, blacklist);
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55 | }
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56 | }
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57 |
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58 | var keys = getOwnPropertyNames(sourceComponent);
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59 |
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60 | if (getOwnPropertySymbols) {
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61 | keys = keys.concat(getOwnPropertySymbols(sourceComponent));
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62 | }
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63 |
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64 | var targetStatics = TYPE_STATICS[targetComponent['$$typeof']] || REACT_STATICS;
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65 | var sourceStatics = TYPE_STATICS[sourceComponent['$$typeof']] || REACT_STATICS;
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66 |
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67 | for (var i = 0; i < keys.length; ++i) {
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68 | var key = keys[i];
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69 | if (!KNOWN_STATICS[key] && !(blacklist && blacklist[key]) && !(sourceStatics && sourceStatics[key]) && !(targetStatics && targetStatics[key])) {
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70 | var descriptor = getOwnPropertyDescriptor(sourceComponent, key);
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71 | try {
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72 |
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73 | defineProperty(targetComponent, key, descriptor);
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74 | } catch (e) {}
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75 | }
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76 | }
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77 |
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78 | return targetComponent;
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79 | }
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80 |
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81 | return targetComponent;
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82 | }
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83 |
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84 | module.exports = hoistNonReactStatics;
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