fix: propagate stack traces

Author: felixfbecker

src/protocol/jsonrpc2/connection.test.ts

@@ -76,6 +76,7 @@ describe('Connection', () => {
             (error: ResponseError<any>) => {
                 assert.strictEqual(error.code, ErrorCodes.InternalError)
                 assert.strictEqual(error.message, 'test')
+                assert.strictEqual(error.data && typeof error.data.stack, 'string')
             }
         )
     })
@@ -95,6 +96,7 @@ describe('Connection', () => {
             (error: ResponseError<any>) => {
                 assert.strictEqual(error.code, ErrorCodes.InternalError)
                 assert.strictEqual(error.message, 'test')
+                assert.strictEqual(error.data && typeof error.data.stack, 'string')
             }
         )
     })

src/protocol/jsonrpc2/connection.ts

@@ -365,7 +365,12 @@ function _createConnection(transports: MessageTransports, logger: Logger, strate
                             if (error instanceof ResponseError) {
                                 replyError(error as ResponseError<any>)
                             } else if (error && typeof error.message === 'string') {
-                                replyError(new ResponseError<void>(ErrorCodes.InternalError, error.message))
+                                replyError(
+                                    new ResponseError<void>(ErrorCodes.InternalError, error.message, {
+                                        stack: error.stack,
+                                        ...error,
+                                    })
+                                )
                             } else {
                                 replyError(
                                     new ResponseError<void>(
@@ -387,7 +392,12 @@ function _createConnection(transports: MessageTransports, logger: Logger, strate
                 if (error instanceof ResponseError) {
                     reply(error as ResponseError<any>)
                 } else if (error && typeof error.message === 'string') {
-                    replyError(new ResponseError<void>(ErrorCodes.InternalError, error.message))
+                    replyError(
+                        new ResponseError<void>(ErrorCodes.InternalError, error.message, {
+                            stack: error.stack,
+                            ...error,
+                        })
+                    )
                 } else {
                     replyError(
                         new ResponseError<void>(