Function defaultIfBlank

defaultIfBlank(text?, defaultValue?): string | undefined | null
Returns the default value if the given text is blank, or the text self if it is not blank
Parameters
- Optionaltext: null | string
  the text to check
- OptionaldefaultValue: null | string
  the default value placeholder
Returns string | undefined | null
the default value if the given text is blank, or the text self if it is not blank
Example
```
defaultIfBlank(undefined, 'foobar');    // 'foobar'
```