TypeTags .IntlNumberFormat

Overview#

The Intl.NumberFormat object enables language-sensitive number formatting.

Usage#

import { TypeTags } from 'typetags'

const japanese = new Intl.NumberFormat('ja-JP', {
  style: 'currency',
  currency: 'JPY',
})

TypeTags.IntlNumberFormat === TypeTags.get(japanese)
// → true

console.log(japanese.format(number))
// expected output: '￥123,457'

Predicate#

.isIntlNumberFormat(value)#

• Checks if value is or has a default IntlNumberFormat type tag.

const { TypeTags } = require('typetags')

const formatter = new Intl.NumberFormat('en-GB')

TypeTags.isIntlNumberFormat(formatter)
// → true

Metadata (TType)#

Signature#

declare type ITypeTags = {
  [key in Types | NestedTypes]: Tags
}

declare interface Predicate {
  predicate(value: any): boolean
}

See MDN Web Docs#