Get the shortest leading whitespace from lines in a string
The line with the least number of leading whitespace, ignoring empty lines, determines the number.
Useful for removing redundant indentation.
$ npm install --save min-indent
```js const minIndent = require('min-indent');
const str = '\tunicorn\n\t\tcake'; / unicorn cake /
minIndent(str); // 1 ```
MIT © James Kyle