问Javascript多态性:如何在“抽象”基类的静态方法中访问继承类的静态属性？

EN

export default class Enum { 

    constructor(name){
        this.name = name;       
    }
}

Enum.values =  function(){
    return Object.values(INHERITING_CLASS);
};


Enum.forName = function(name){
    for(var enumValue of INHERITING_CLASS.values){
        if(enumValue.name === name){
            return enumValue;
        }
    }
    throw new Error('Unknown value "' + name + '"');
} 

import Enum from './enum.js';

export default class ColumnType extends Enum {  

    constructor(name, clazz){
        super(name);        
        this.associatedClass = clazz;
    }
}

ColumnType.Integer = new ColumnType('Integer', Number);
ColumnType.Double = new ColumnType('Double', Number);
ColumnType.String = new ColumnType('String', String);

ColumnType.values()