How to use the jsstore.Config.isLogEnabled function in jsstore

public executeQry(query: string): Promise {
        if (Config.isLogEnabled === true) {
            console.log("qry from service - " + query);
        }
        const con = this.connection;
        return new Promise((resolve, reject) => {
            var startTime = performance.now();
            this.evaluateQry_(query).then(qryResult => {
                const idbResult: IResult = {
                    timeTaken: (performance.now() - startTime) / 1000,
                    result: qryResult
                };
                resolve(idbResult);
                if (Config.isLogEnabled === true) {
                    console.log("result from service evaluated");
                }
            }).catch(err => {
                reject(err);

tempHtml += "";
                        htmlString += tempHtml;
                    }

                    this.resultInnerHtml = htmlString;
                    break;
                case DATA_TYPE.Object:
                    result = JSON.stringify(result);
                case DATA_TYPE.String:
                case DATA_TYPE.Number:
                    this.resultInnerHtml = result;
                    break;
                default:
                    this.resultInnerHtml = JSON.stringify(result);
            }
            if (Config.isLogEnabled) {
                console.table(result);
            }
        }
    }

this.evaluateQry_(query).then(qryResult => {
                const idbResult: IResult = {
                    timeTaken: (performance.now() - startTime) / 1000,
                    result: qryResult
                };
                resolve(idbResult);
                if (Config.isLogEnabled === true) {
                    console.log("result from service evaluated");
                }
            }).catch(err => {
                reject(err);

setLogFromUrl() {
        var log = Util.getParameterByName("log");
        if (!Util.isNull(log)) {
            Config.isLogEnabled = true;
        }
    }

constructor() {
        this.connection.setLogStatus(Config.isLogEnabled);
    }