105 lines
2.9 KiB
JavaScript
105 lines
2.9 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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import { ForwardRef, Memo, isMemo } from 'react-is';
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const 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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const 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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const FORWARD_REF_STATICS = {
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'$$typeof': true,
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render: true,
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defaultProps: true,
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displayName: true,
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propTypes: true
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};
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const MEMO_STATICS = {
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'$$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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const TYPE_STATICS = {};
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TYPE_STATICS[ForwardRef] = FORWARD_REF_STATICS;
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TYPE_STATICS[Memo] = MEMO_STATICS;
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function getStatics(component) {
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// React v16.11 and below
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if (isMemo(component)) {
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return MEMO_STATICS;
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}
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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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const defineProperty = Object.defineProperty;
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const getOwnPropertyNames = Object.getOwnPropertyNames;
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const getOwnPropertySymbols = Object.getOwnPropertySymbols;
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const getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
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const getPrototypeOf = Object.getPrototypeOf;
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const objectPrototype = Object.prototype;
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export default 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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const 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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let 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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const targetStatics = getStatics(targetComponent);
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const sourceStatics = getStatics(sourceComponent);
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for (let i = 0; i < keys.length; ++i) {
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const key = keys[i];
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if (!KNOWN_STATICS[key] &&
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!(blacklist && blacklist[key]) &&
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!(sourceStatics && sourceStatics[key]) &&
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!(targetStatics && targetStatics[key])
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) {
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const 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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}
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return targetComponent;
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};
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