Function asTag

asTag(value: string): string
Creates a validated language tag from a string.

Validates language tags according to BCP 47/RFC 5646.
Parameters
- value: string
  The string to convert to a language tag
Returns string
The validated language tag
Throws
RangeError If the value is not a valid BCP 47 language tag
See
- isTag for validation rules
- Tag
- Defined in src/network/language.ts:199