extract-stack
Extract the actual stack of an error
Install
$ npm install extract-stack
Usage
import extractStack from 'extract-stack';
const error = new Error('Missing unicorn');
console.log(error.stack);
/*
Error: Missing unicorn
at Object.<anonymous> (/Users/sindresorhus/dev/extract-stack/unicorn.js:2:15)
at Module._compile (module.js:409:26)
at Module.load (module.js:343:32)
at startup (node.js:139:18)
*/
console.log(extractStack(error));
/*
at Object.<anonymous> (/Users/sindresorhus/dev/extract-stack/unicorn.js:2:15)
at Module._compile (module.js:409:26)
at Module.load (module.js:343:32)
at startup (node.js:139:18)
*/
console.log(extractStack.lines(error));
/*
[
'Object.<anonymous> (/Users/sindresorhus/dev/extract-stack/unicorn.js:2:15)'
'Module._compile (module.js:409:26)'
'Module.load (module.js:343:32)'
'startup (node.js:139:18)'
]
*/API
It gracefully handles cases where the stack is undefined or empty and returns an empty string.
extractStack(error)
Returns the actual stack part of the error stack.
extractStack.lines(error)
Returns the stack lines of the error stack without the noise as a string[].
error
Type: Error | string | undefined
Either an Error or the .stack of an Error.
Related
- clean-stack - Clean up error stack traces
