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extract-stack

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extract-stack

Extract the actual stack of an error

  • 3.0.0
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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.

  • clean-stack - Clean up error stack traces

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Package last updated on 07 Apr 2021

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