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Intl.getCanonicalLocales

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

npm Version size

Installation​

npm i @formatjs/intl-getcanonicallocales

Usage​

Via polyfill-fastly.io​

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

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

Simple​

import '@formatjs/intl-getcanonicallocales/polyfill'

Dynamic import + capability detection​

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

Tests​

This library is test262-compliant.