tracing-async-operations-0.js

// Not super helpful

> Error: Surprise!
    at Timeout.foobar [as _onTimeout] (repl:2:7)
    at ontimeout (timers.js:365:14)
    at tryOnTimeout (timers.js:237:5)
    at Timer.listOnTimeout (timers.js:207:5)

tracing-async-operations-1.js

function foo () {
  setTimeout(bar, 10);
}

function bar () {
  setTimeout(foobar, 50);
}

function foobar () {
  throw new Error('Surprise!');
}

foo();

process.on('uncaughtException', (e) => process._rawDebug(e.stack));