iso-639-3-to-1
Converting between iso-639-3 to iso-639-1 language codes. For languages without iso-639-1 which have a "macro language", It will return the "macro language" iso-639-1 code (if exists)
Installation
npm:
npm install --save iso-639-3-to-1
Usage
const convert3To1 = let iso639code = 'cmn';let result = ;// result = 'zh'