I got this error when I publish to Azure web service. I installed and see that package mentioned in the error ipaddr.js in the node_modules folder though
Severity Code Description Project File Line Suppression State Error TS6053 File 'C:/CodingProjects/OrderPickUp_App/OrderPickUp_App/node_modules/ipaddr.js' not found. The file is in the program because: Root file specified for compilation OrderPickUp_App JavaScript Content Files 1 Active