Function deliveryChartInit

deprecated/node-binance-api.js:5354–5364

            };

            let deliveryChartInit = symbol => {
                if (typeof Binance.deliveryMeta[symbol] === 'undefined') Binance.deliveryMeta[symbol] = {};
                if (typeof Binance.deliveryMeta[symbol][interval] === 'undefined') Binance.deliveryMeta[symbol][interval] = {};
                if (typeof Binance.deliveryTicks[symbol] === 'undefined') Binance.deliveryTicks[symbol] = {};
                if (typeof Binance.deliveryTicks[symbol][interval] === 'undefined') Binance.deliveryTicks[symbol][interval] = {};
                if (typeof Binance.deliveryRealtime[symbol] === 'undefined') Binance.deliveryRealtime[symbol] = {};
                if (typeof Binance.deliveryRealtime[symbol][interval] === 'undefined') Binance.deliveryRealtime[symbol][interval] = {};
                if (typeof Binance.deliveryKlineQueue[symbol] === 'undefined') Binance.deliveryKlineQueue[symbol] = {};
                if (typeof Binance.deliveryKlineQueue[symbol][interval] === 'undefined') Binance.deliveryKlineQueue[symbol][interval] = [];
                Binance.deliveryMeta[symbol][interval].timestamp = 0;
            }

            let handleDeliveryKlineStream = kline => {
                let symbol = kline.s, interval = kline.k.i;