weex-nuke
Version:
基于 Rax 、Weex 的高性能组件体系 ~~
75 lines (62 loc) • 2.32 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global.hoistNonReactStatics = factory());
}(this, (function () { 'use strict';
/**
* Copyright 2015, Yahoo! Inc.
* Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
*/
var REACT_STATICS = {
childContextTypes: true,
contextTypes: true,
defaultProps: true,
displayName: true,
getDefaultProps: true,
getDerivedStateFromProps: true,
mixins: true,
propTypes: true,
type: true
};
var KNOWN_STATICS = {
name: true,
length: true,
prototype: true,
caller: true,
callee: true,
arguments: true,
arity: true
};
var defineProperty = Object.defineProperty;
var getOwnPropertyNames = Object.getOwnPropertyNames;
var getOwnPropertySymbols = Object.getOwnPropertySymbols;
var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
var getPrototypeOf = Object.getPrototypeOf;
var objectPrototype = getPrototypeOf && getPrototypeOf(Object);
function hoistNonReactStatics(targetComponent, sourceComponent, blacklist) {
if (typeof sourceComponent !== 'string') { // don't hoist over string (html) components
if (objectPrototype) {
var inheritedComponent = getPrototypeOf(sourceComponent);
if (inheritedComponent && inheritedComponent !== objectPrototype) {
hoistNonReactStatics(targetComponent, inheritedComponent, blacklist);
}
}
var keys = getOwnPropertyNames(sourceComponent);
if (getOwnPropertySymbols) {
keys = keys.concat(getOwnPropertySymbols(sourceComponent));
}
for (var i = 0; i < keys.length; ++i) {
var key = keys[i];
if (!REACT_STATICS[key] && !KNOWN_STATICS[key] && (!blacklist || !blacklist[key])) {
var descriptor = getOwnPropertyDescriptor(sourceComponent, key);
try { // Avoid failures from read-only properties
defineProperty(targetComponent, key, descriptor);
} catch (e) {}
}
}
return targetComponent;
}
return targetComponent;
}
return hoistNonReactStatics;
})));