strip-indent 
Strip leading whitespace from each line in a string
The line with the least number of leading whitespace, ignoring empty lines, determines the number to remove.
Useful for removing redundant indentation.
Install
$ npm install strip-indent
Usage
const stripIndent = require('strip-indent');
const string = '\tunicorn\n\t\tcake';
/*
unicorn
cake
*/
stripIndent(string);
/*
unicorn
cake
*/
Related
- strip-indent-cli - CLI for this module
- indent-string - Indent each line in a string
License
MIT © Sindre Sorhus