Function toUpper

toUpper(value: string): string
Converts string, as a whole, to upper case just like String#toUpperCase.
Parameters
- value: string
  The string to convert.
Returns string
Returns the upper cased string.
Since
5.12.0
Example
```
_.toUpper('--foo-bar--');
// => '--FOO-BAR--'

_.toUpper('fooBar');
// => 'FOOBAR'

_.toUpper('__foo_bar__');
// => '__FOO_BAR__'
```
- Defined in build/repo/src/toUpper.ts:24