TypeTags .IntlListFormat

Overview#

The Intl.ListFormat object enables language-sensitive list formatting.

Usage#

import { TypeTags } from 'typetags'

const vehicles = ['Motorcycle', 'Bus', 'Car']

const englishFormatter = new Intl.ListFormat('en', {
  style: 'long',
  type: 'conjunction',
})

TypeTags.get(englishFormatter)
// → [object Intl.ListFormat]

console.log(englishFormatter.format(vehicles))
// expected output: 'Motorcycle, Bus, and Car'

const germanFormatter = new Intl.ListFormat('de', {
  style: 'short',
  type: 'disjunction',
})

TypeTags.get(germanFormatter)
// → [object Intl.ListFormat]

console.log(germanFormatter.format(vehicles))
// expected output: 'Motorcycle, Bus oder Car'

Predicate#

.isIntlListFormat(value)#

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

const { TypeTags } = require('typetags')

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

TypeTags.isIntlListFormat(formatter)
// → true

Metadata (TType)#

Signature#

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

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

See MDN Web Docs#