66 lines
2.0 KiB
JavaScript
66 lines
2.0 KiB
JavaScript
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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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'use strict';
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var REACT_STATICS = {
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childContextTypes: 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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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 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 = getPrototypeOf && getPrototypeOf(Object);
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module.exports = function hoistNonReactStatics(targetComponent, sourceComponent, blacklist) {
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if (typeof sourceComponent !== 'string') { // 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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for (var i = 0; i < keys.length; ++i) {
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var key = keys[i];
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if (!REACT_STATICS[key] && !KNOWN_STATICS[key] && (!blacklist || !blacklist[key])) {
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var descriptor = getOwnPropertyDescriptor(sourceComponent, key);
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try { // 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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return targetComponent;
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}
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return targetComponent;
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};
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