neat-stack
Make a color-coded stack trace from an error
const neatStack = ;const request = ; ;
Useful for CLI applications — stack traces are not very important for end users but needed for authors to receive meaningful bug reports.
Installation
npm install neat-stack
API
const neatStack = ;
neatStack(error)
error: Error
Return: string
It returns a refined Error#stack
:
- Red-colored by ANSI escape code.
- Lines starting with
' at'
are dimmed. - Any lines from Node.js internals are omitted.
- Paths are simplified by replacing a home directory with
~
on POSIX.
const error = 'Hi'; errorstack; /* => `Error: Hi at Object.<anonymous> (/Users/example/run.js:1:75) at Module._compile (internal/modules/cjs/loader.js:654:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:665:10) at Module.load (internal/modules/cjs/loader.js:566:32) at tryModuleLoad (internal/modules/cjs/loader.js:506:12) at Function.Module._load (internal/modules/cjs/loader.js:498:3) at Function.Module.runMain (internal/modules/cjs/loader.js:695:10) at startup (internal/bootstrap/node.js:201:19) at bootstrapNodeJSCore (internal/bootstrap/node.js:516:3)` */ ; /* => `\u001b[31mError: Hi\u001b[2m at Object.<anonymous> (~/example/run.js:1:88)\u001b[22m\u001b[39m` */
License
ISC License © 2017 - 2018 Shinnosuke Watanabe