bcp-471.9mMIT2.1.0Parse and stringify BCP 47 language tags
wooormover 3 yearsbcp47, bcp-47, bcp, 47 bcp471mMIT1.1.2Parser for the BCP 47 language tag specification
gagleover 3 yearsbcp47, parser, internationalization, i18n language-tags74.1mMIT2.1.0Work with IANA language tags.
mattcg5 monthsbcp47, iana, subtags, rfc5646 language-subtag-registry73.9mCC0-1.00.3.23Full BCP 47 language subtag data from the official IANA repository, in JSON format with multiple indices.
mattcgover 1 yearbcp47, iana, subtags, rfc5646 lcid22.4mMIT5.0.0Mapping between standard locale identifiers and Windows locale identifiers (LCID)
sindresorhusover 1 yearbcp47, lcid, locale, string