Function emitUnicodeLocaleId

packages/intl-getcanonicallocales/emitter.ts:15–42

({
  lang,
  extensions,
}: UnicodeLocaleId)

}

export function emitUnicodeLocaleId({
  lang,
  extensions,
}: UnicodeLocaleId): string {
  const chunks = [emitUnicodeLanguageId(lang)]
  for (const ext of extensions) {
    chunks.push(ext.type)
    switch (ext.type) {
      case 'u':
        chunks.push(
          ...ext.attributes,
          ...ext.keywords.reduce((all: string[], kv) => all.concat(kv), [])
        )
        break
      case 't':
        chunks.push(
          emitUnicodeLanguageId(ext.lang),
          ...ext.fields.reduce((all: string[], kv) => all.concat(kv), [])
        )
        break
      default:
        chunks.push(ext.value)
        break
    }
  }

  return chunks.filter(Boolean).join('-')
}