in packages/synthetics-sdk-api/src/handlers.ts [115:129]
export function firstUserErrorStackFrame(
stack: ErrorStackParser.StackFrame[]
): ErrorStackParser.StackFrame | undefined {
return stack
.map((frame) => {
const filenameWithoutPrefix =
(frame.fileName ?? '').substring(0, 6) === asyncFilenamePrefix
? (frame.fileName ?? '').substring(6)
: frame.fileName;
frame.fileName = filenameWithoutPrefix;
return frame;
})
.find((frame) => (frame.fileName ?? '').charAt(0) === '/');
}