/**
 * 数据对象
 * 通过DataSystem.createData来实例化对象，否则将无法使用DataSystem.watch
 */
export class Data {
    onPropertyChange: (key: PropertyKey, value: any) => void;
    thisObject: any;
    public constructor(onPropertyChange: (key: PropertyKey, value: any) => void,  thisObject: any) {
        this.onPropertyChange = onPropertyChange;
        this.thisObject = thisObject;
        var p = new Proxy(this, { set: this.setProperty.bind(this), deleteProperty: this.deleteProperty.bind(this) });
        return p;
    }
    protected setProperty<T>(target: T, p: PropertyKey, value: any, receiver: any): boolean {
        this.onPropertyChange.call(this.thisObject, this, p, value);
        return true;
    }
    private deleteProperty<T>(target: T, p: PropertyKey): boolean {
        return true;
    }
}