Log out all call stacks on errors
npm install hazlines``bash
$ node example
(node:95263) UnhandledPromiseRejectionWarning: Error: who knows what went wrong?
at /app/project/asyncThing.js:5:11
(Use node --trace-warnings ... to show where the warning was created)--unhandled-rejections=strict
(node:95263) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)`
(node:95263) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
Into this:
`bash``
$ hazlines example
Error: who knows what went wrong?
at /hazlines/example/asyncThing.js:5:11
Promise.then
at asyncThing (/hazlines/example/asyncThing.js:4:42)
at anonymous (/hazlines/example/index.js:5:5)
Timeout
at main (/hazlines/example/index.js:4:3)
at anonymous (/hazlines/example/index.js:9:1)