Function startsWithOneOf

startsWithOneOf<T extends string>(
str: string,
strings: readonly T[],
): undefined | T
Returns the matched prefix for the string (if it exists). Great for matching string union types.
Type Parameters
- T extends string
Parameters
- str: string
- strings: readonly T[]
Returns undefined | T
Usage
```
startsWithOneOf('ab', 'a', 'c'); // 'a'
startsWithOneOf('cc', 'a', 'b'); // undefined
```
- Defined in strings.ts:41