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# clean-stack [](https://travis-ci.org/sindresorhus/clean-stack)
> Clean up error stack traces
Removes the mostly unhelpful internal Node.js entries.
Also works in Electron.
## Install
```
$ npm install --save clean-stack
```
## Usage
```js
const cleanStack = require('clean-stack');
const error = new Error('Missing unicorn');
console.log(error.stack);
/*
Error: Missing unicorn
at Object.<anonymous> (/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15)
at Module._compile (module.js:409:26)
at Object.Module._extensions..js (module.js:416:10)
at Module.load (module.js:343:32)
at Function.Module._load (module.js:300:12)
at Function.Module.runMain (module.js:441:10)
at startup (node.js:139:18)
*/
console.log(cleanStack(error.stack));
/*
Error: Missing unicorn
at Object.<anonymous> (/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15)
*/
```
## API
### cleanStack(stack, [options])
#### stack
Type: `string`
The `stack` property of an `Error`.
#### options
Type: `Object`
##### pretty
Type: `boolean`<br>
Default: `false`
Prettify the file paths in the stack:
`/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15` → `~/dev/clean-stack/unicorn.js:2:15`
## Related
- [extrack-stack](https://github.com/sindresorhus/extract-stack) - Extract the actual stack of an error
- [stack-utils](https://github.com/tapjs/stack-utils) - Captures and cleans stack traces
## License
MIT © [Sindre Sorhus](https://sindresorhus.com)
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