Enabling the label switched protocol (LSP) tracing

Procedure

To enable the tracing of messages sent to the Typescript (TS) server, in the Preferences view, set the typescript.tsserver.trace attribute to verbose. Use this to diagnose the TS server issues.
To enable logging of the TS server to a file, set the typescript.tsserver.log attribute to verbose. Use this log to diagnose the TS server issues. The log contains the file paths.