1 | import React from 'react';
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2 | import ReactLink from 'react/lib/ReactLink';
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3 | import ReactStateSetters from 'react/lib/ReactStateSetters';
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4 |
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5 |
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6 | export class BaseComponent extends React.Component {
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7 | constructor(...args) {
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8 | super(...args);
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9 | this._delegate = null;
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10 | }
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11 |
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12 | linkState(key) {
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13 | return new ReactLink(
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14 | this.state[key], ReactStateSetters.createStateKeySetter(this, key)
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15 | );
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16 | }
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17 |
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18 | setStateFromObject(obj) {
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19 | var state = {};
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20 |
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21 | var proto = Reflect.getPrototypeOf(obj);
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22 | var hasMethods = false;
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23 | for (let name of Reflect.ownKeys(proto)) {
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24 | if (Reflect.getOwnPropertyDescriptor(proto, name).get) {
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25 | state[name] = obj[name];
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26 | hasMethods = true;
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27 | }
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28 | }
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29 |
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30 | if (!hasMethods) {
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31 | var protoBase = Reflect.getPrototypeOf(proto);
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32 | for (let name of Reflect.ownKeys(protoBase)) {
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33 | if (Reflect.getOwnPropertyDescriptor(protoBase, name).get) {
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34 | state[name] = obj[name];
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35 | }
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36 | }
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37 | }
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38 | this.setState(state);
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39 | }
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40 |
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41 | set delegate(value) {
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42 | this._delegate = value;
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43 | this.props.delegate = value;
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44 | }
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45 |
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46 | get delegate() {
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47 | if (this._delegate !== this.props.delegate) {
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48 | this._delegate = this.props.delegate;
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49 | }
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50 | if (!this._delegate) {
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51 | this._delegate = this;
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52 | }
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53 | return this._delegate;
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54 | }
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55 | }
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