A spec-compliant ponyfill for Intl.LocaleMatcher. Since this is only stage-1 this package is a ponyfill instead of polyfill.

Installation#

npm i @formatjs/intl-localematcher

Requirements#

• Intl.getCanonicalLocales or polyfill
• Intl.Locale or polyfill

Usage#

Simple#

match(['fr-XX', 'en'], ['fr', 'en'], 'en') // 'fr'

match(['zh'], ['fr', 'en'], 'en') // 'en'