bc518174
 王天杨
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/**
* Copyright 2015, Yahoo! Inc.
* Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
*/
import { ForwardRef, Memo, isMemo } from 'react-is';
const REACT_STATICS = {
childContextTypes: true,
contextType: true,
contextTypes: true,
defaultProps: true,
displayName: true,
getDefaultProps: true,
getDerivedStateFromError: true,
getDerivedStateFromProps: true,
mixins: true,
propTypes: true,
type: true
};
const KNOWN_STATICS = {
name: true,
length: true,
prototype: true,
caller: true,
callee: true,
arguments: true,
arity: true
};
const FORWARD_REF_STATICS = {
'$$typeof': true,
render: true,
defaultProps: true,
displayName: true,
propTypes: true
};
const MEMO_STATICS = {
'$$typeof': true,
compare: true,
defaultProps: true,
displayName: true,
propTypes: true,
type: true,
}
const TYPE_STATICS = {};
TYPE_STATICS[ForwardRef] = FORWARD_REF_STATICS;
TYPE_STATICS[Memo] = MEMO_STATICS;
function getStatics(component) {
// React v16.11 and below
if (isMemo(component)) {
return MEMO_STATICS;
}
// React v16.12 and above
return TYPE_STATICS[component['$$typeof']] || REACT_STATICS;
}
const defineProperty = Object.defineProperty;
const getOwnPropertyNames = Object.getOwnPropertyNames;
const getOwnPropertySymbols = Object.getOwnPropertySymbols;
const getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
const getPrototypeOf = Object.getPrototypeOf;
const objectPrototype = Object.prototype;
export default function hoistNonReactStatics(targetComponent, sourceComponent, blacklist) {
if (typeof sourceComponent !== 'string') { // don't hoist over string (html) components
if (objectPrototype) {
const inheritedComponent = getPrototypeOf(sourceComponent);
if (inheritedComponent && inheritedComponent !== objectPrototype) {
hoistNonReactStatics(targetComponent, inheritedComponent, blacklist);
}
}
let keys = getOwnPropertyNames(sourceComponent);
if (getOwnPropertySymbols) {
keys = keys.concat(getOwnPropertySymbols(sourceComponent));
}
const targetStatics = getStatics(targetComponent);
const sourceStatics = getStatics(sourceComponent);
for (let i = 0; i < keys.length; ++i) {
const key = keys[i];
if (!KNOWN_STATICS[key] &&
!(blacklist && blacklist[key]) &&
!(sourceStatics && sourceStatics[key]) &&
!(targetStatics && targetStatics[key])
) {
const descriptor = getOwnPropertyDescriptor(sourceComponent, key);
try { // Avoid failures from read-only properties
defineProperty(targetComponent, key, descriptor);
} catch (e) {}
}
}
}
return targetComponent;
};
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