Intl.Locale

A spec-compliant polyfill/ponyfill for Intl.Locale tested by the official ECMAScript Conformance test suite

Installation

npm

npm i @formatjs/intl-locale

yarn

yarn add @formatjs/intl-locale

Requirements

• Intl.getCanonicalLocales or polyfill

Usage

Via polyfill-fastly.io

You can use polyfill-fastly.io URL Builder to create a polyfill script tag for Intl.Locale. For example:

<!-- Polyfill Intl.Locale & its dependencies -->
<script src="https://polyfill-fastly.io/v3/polyfill.min.js?features=Intl.Locale"></script>

Simple

import '@formatjs/intl-locale/polyfill'

Dynamic import + capability detection

import {shouldPolyfill} from '@formatjs/intl-locale/should-polyfill'
async function polyfill() {
  // This platform already supports Intl.Locale
  if (shouldPolyfill()) {
    await import('@formatjs/intl-locale/polyfill')
  }
  // Alternatively, force the polyfill regardless of support
  await import('@formatjs/intl-locale/polyfill-force')
}

Tests

This library is test262-compliant.