export default {

    create({
        request,
        getValue,
        key=''
    }){
        let object:Record<string, any> = {
            request,
            getValue,
            fail:false,
            loading:false,
            _callback:[],
            _triggerAllCallback(fail){
                if (this._callback) {

                    this._callback.forEach((item)=>{
                        return fail ? item.reject(): this._getTarget(item.data,item.resolve,item.reject);
                    });
                    this._callback = [];
                }
            },
            _getTarget(data,resolve, reject){
                return this.getValue(data).then(resolve).catch(reject);
            },
        };

        const newGetValue = getValue.bind(object);

        newGetValue.clear = function () {
            object._data = undefined;
            object.loading = false;
            object._callback = [];
        }

        return {
            [key]: newGetValue,
            ['_'+key]: request.bind(object)
        }
    }

}