Function plural

plural(
    val: string | number | Record<string, string>,
    word: string,
    plural?: string,
): string | ((num: string, word: string) => string)
Applies a plural suffix to a word if the quantity is not exactly 1 or -1.
Parameters
- val: string | number | Record<string, string>
  The numerical quantity or an object containing values
- word: string
  The singular word
- plural: string = ...
  The explicitly provided plural form (defaults to word + 's')
Returns string | ((num: string, word: string) => string)
The appropriate singular or plural string
Example
```
plural(2, 'apple'); // 'apples'
```
- Defined in packages/library/src/common/string.library.ts:165