Function firstIndent

firstIndent(value: string): string
Extracts the indentation (spaces and tabs) from the beginning of a string.
Parameters
- value: string
  The string to extract indentation from
Returns string
The indentation string (spaces and tabs) at the beginning of the input
Example
```
firstIndent('  hello') // '  '
firstIndent('\t\thello') // '\t\t'
firstIndent('hello') // ''
```
- Defined in first-indent.ts:10