Intl.supportedValuesOf

A spec-compliant polyfill/ponyfill for Intl.supportedValuesOf.

Installation

npm

npm i @formatjs/intl-enumerator

yarn

yarn add @formatjs/intl-enumerator

Requirements

• Intl.Collator
• Intl.DateTimeFormat or polyfill
• Intl.NumberFormat or polyfill.

Usage

Via polyfill.io

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

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

Simple

import '@formatjs/intl-enumerator/polyfill'

Dynamic import + capability detection

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

Tests

This library is test262-compliant.