clone-class
Version:
Clone an ES6 Class as Another Class Name for Isolating Class Static Properties.
62 lines • 1.53 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.looseInstanceOfClass = void 0;
/**
* Huan(202011)
* Create a `looseInstanceOfClass` to check `FileBox` and `Puppet` instances #2090
* https://github.com/wechaty/wechaty/issues/2090
*
* `instanceof`: checking by constructor name.
*/
const looseInstanceOfClass = (Klass) => (target) => {
/**
* Easy way
*/
if (target instanceof Klass) {
/**
* Singleton Module
*/
return true;
}
/**
*
* Hard (loose) way
*
*/
if (!target || typeof target !== 'object') {
return false;
}
if (typeof target.constructor !== 'function') {
/**
* Not a class?
*/
return false;
}
if (target.constructor.name === Klass.name) {
/**
* Different Module Class with the same name
* with a direct instance class
*/
return true;
}
const parent = Reflect.getPrototypeOf(target.constructor.prototype);
if (!parent) {
/**
* No parent class
*/
return false;
}
if (parent.constructor.name === Klass.name) {
/**
* Different Module class with the same name
* but the instance is a child class
*/
return true;
}
/**
* Not match any of the above
*/
return false;
};
exports.looseInstanceOfClass = looseInstanceOfClass;
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