Red area = Shorts
Lighter area = Longs - Shorts
The data only started recently which is why there is not much history, also I have marked a period of missing data between the vertical lines.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.