Intl.DurationFormat

A spec-compliant polyfill for Intl.DurationFormat

Installation

npm

npm i @formatjs/intl-durationformat

yarn

yarn add @formatjs/intl-durationformat

Requirements

• Intl.ListFormat or polyfill
• Intl.NumberFormat or polyfill.

Usage

Simple

import '@formatjs/intl-durationformat/polyfill'

Dynamic import + capability detection

import {shouldPolyfill} from '@formatjs/intl-durationformat/should-polyfill'
async function polyfill(locale: string) {
  const unsupportedLocale = shouldPolyfill(locale)
  // This locale is supported
  if (!unsupportedLocale) {
    return
  }
  // Load the polyfill 1st BEFORE loading data
  await import('@formatjs/intl-durationformat/polyfill-force')
}