104 lines
2.7 KiB
JavaScript
104 lines
2.7 KiB
JavaScript
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'use strict';
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var reactIs = require('react-is');
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/**
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* Copyright 2015, Yahoo! Inc.
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* Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
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*/
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var REACT_STATICS = {
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childContextTypes: true,
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contextType: true,
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contextTypes: true,
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defaultProps: true,
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displayName: true,
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getDefaultProps: true,
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getDerivedStateFromError: true,
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getDerivedStateFromProps: true,
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mixins: true,
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propTypes: true,
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type: true
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};
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var KNOWN_STATICS = {
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name: true,
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length: true,
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prototype: true,
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caller: true,
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callee: true,
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arguments: true,
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arity: true
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};
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var FORWARD_REF_STATICS = {
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'$$typeof': true,
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render: true,
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defaultProps: true,
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displayName: true,
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propTypes: true
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};
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var MEMO_STATICS = {
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'$$typeof': true,
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compare: true,
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defaultProps: true,
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displayName: true,
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propTypes: true,
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type: true
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};
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var TYPE_STATICS = {};
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TYPE_STATICS[reactIs.ForwardRef] = FORWARD_REF_STATICS;
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TYPE_STATICS[reactIs.Memo] = MEMO_STATICS;
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function getStatics(component) {
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// React v16.11 and below
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if (reactIs.isMemo(component)) {
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return MEMO_STATICS;
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} // React v16.12 and above
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return TYPE_STATICS[component['$$typeof']] || REACT_STATICS;
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}
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var defineProperty = Object.defineProperty;
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var getOwnPropertyNames = Object.getOwnPropertyNames;
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var getOwnPropertySymbols = Object.getOwnPropertySymbols;
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var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
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var getPrototypeOf = Object.getPrototypeOf;
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var objectPrototype = Object.prototype;
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function hoistNonReactStatics(targetComponent, sourceComponent, blacklist) {
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if (typeof sourceComponent !== 'string') {
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// don't hoist over string (html) components
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if (objectPrototype) {
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var inheritedComponent = getPrototypeOf(sourceComponent);
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if (inheritedComponent && inheritedComponent !== objectPrototype) {
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hoistNonReactStatics(targetComponent, inheritedComponent, blacklist);
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}
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}
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var keys = getOwnPropertyNames(sourceComponent);
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if (getOwnPropertySymbols) {
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keys = keys.concat(getOwnPropertySymbols(sourceComponent));
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}
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var targetStatics = getStatics(targetComponent);
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var sourceStatics = getStatics(sourceComponent);
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for (var i = 0; i < keys.length; ++i) {
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var key = keys[i];
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if (!KNOWN_STATICS[key] && !(blacklist && blacklist[key]) && !(sourceStatics && sourceStatics[key]) && !(targetStatics && targetStatics[key])) {
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var descriptor = getOwnPropertyDescriptor(sourceComponent, key);
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try {
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// Avoid failures from read-only properties
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defineProperty(targetComponent, key, descriptor);
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} catch (e) {}
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}
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}
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}
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return targetComponent;
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}
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module.exports = hoistNonReactStatics;
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