1 |
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2 |
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3 |
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4 |
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5 | var REACT_STATICS = {
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6 | childContextTypes: true,
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7 | contextTypes: true,
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8 | defaultProps: true,
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9 | displayName: true,
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10 | getDefaultProps: true,
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11 | getDerivedStateFromProps: true,
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12 | mixins: true,
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13 | propTypes: true,
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14 | type: true
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15 | };
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16 |
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17 | var KNOWN_STATICS = {
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18 | name: true,
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19 | length: true,
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20 | prototype: true,
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21 | caller: true,
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22 | callee: true,
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23 | arguments: true,
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24 | arity: true
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25 | };
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26 |
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27 | var defineProperty = Object.defineProperty;
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28 | var getOwnPropertyNames = Object.getOwnPropertyNames;
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29 | var getOwnPropertySymbols = Object.getOwnPropertySymbols;
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30 | var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
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31 | var getPrototypeOf = Object.getPrototypeOf;
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32 | var objectPrototype = getPrototypeOf && getPrototypeOf(Object);
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33 |
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34 | export default function hoistNonReactStatics(targetComponent, sourceComponent, blacklist) {
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35 | if (typeof sourceComponent !== 'string') {
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36 |
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37 | if (objectPrototype) {
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38 | var inheritedComponent = getPrototypeOf(sourceComponent);
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39 | if (inheritedComponent && inheritedComponent !== objectPrototype) {
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40 | hoistNonReactStatics(targetComponent, inheritedComponent, blacklist);
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41 | }
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42 | }
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43 |
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44 | var keys = getOwnPropertyNames(sourceComponent);
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45 |
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46 | if (getOwnPropertySymbols) {
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47 | keys = keys.concat(getOwnPropertySymbols(sourceComponent));
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48 | }
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49 |
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50 | for (var i = 0; i < keys.length; ++i) {
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51 | var key = keys[i];
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52 | if (!REACT_STATICS[key] && !KNOWN_STATICS[key] && (!blacklist || !blacklist[key])) {
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53 | var descriptor = getOwnPropertyDescriptor(sourceComponent, key);
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54 | try {
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55 | defineProperty(targetComponent, key, descriptor);
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56 | } catch (e) {}
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57 | }
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58 | }
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59 |
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60 | return targetComponent;
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61 | }
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62 |
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63 | return targetComponent;
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64 | };
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