formatCurrencyString()

formatCurrencyString formats the prices of the products. It takes an object shaped like this:

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{
  value: 400,
  currency: 'USD',
  language: 'EN' //optional
}

If you don't pass a value to language, it will choose language based on the browsers settings

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import { formatCurrencyString } from 'use-shopping-cart/src/util'
formatCurrencyString({ value, currency })
// returns $4.00