rootDomain
rootDomain(
emailOrDomain):string|null
Defined in: src/classify/domain.ts:9
Registrable root domain of an address or host, public-suffix aware. ‘user@mail.amazon.co.uk’ -> ‘amazon.co.uk’ (the origin session’s naive last-two-labels split wrongly produced ‘co.uk’). Returns null for empty or single-label input.
Parameters
Section titled “Parameters”emailOrDomain
Section titled “emailOrDomain”string
Returns
Section titled “Returns”string | null