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countries-utils.ts
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import nationalities from 'i18n-nationality/langs/en.json' | |
import countries from 'i18n-iso-countries/langs/en.json' | |
import { | |
getName as getNationality, | |
registerLocale as registerNationality | |
} from 'i18n-nationality' | |
import { | |
getName as getCountry, | |
registerLocale as registerCountry | |
} from 'i18n-iso-countries' | |
import {getNames as getNationalities} from 'i18n-nationality' | |
import {getNames as getCountries} from 'i18n-iso-countries' | |
type UpperCaseCharacter = | |
| 'A' | |
| 'B' | |
| 'C' | |
| 'D' | |
| 'E' | |
| 'F' | |
| 'G' | |
| 'H' | |
| 'I' | |
| 'J' | |
| 'K' | |
| 'L' | |
| 'M' | |
| 'N' | |
| 'O' | |
| 'P' | |
| 'Q' | |
| 'R' | |
| 'S' | |
| 'T' | |
| 'U' | |
| 'V' | |
| 'W' | |
| 'X' | |
| 'Y' | |
| 'Z' | |
export type IsoCode = `${UpperCaseCharacter}${UpperCaseCharacter}` | |
registerCountry(countries) | |
registerNationality(nationalities) | |
export const isoToCountryName = (iso: IsoCode) => getCountry(iso, 'en') | |
export const isoToNationalityName = (iso: IsoCode) => getNationality(iso, 'en') | |
export const listNationalities = () => getNationalities('en') as {[_ in IsoCode]: string} | |
export const listCountries = () => getCountries('en') as {[_ in IsoCode]: string} | |
export const listNationalitiesArray = () => Object.entries(listNationalities()) as [IsoCode, string][] | |
export const listCountriesArray = () => Object.entries(listCountries()) as [IsoCode, string][] | |
// TESTS | |
import { | |
isoToCountryName, | |
isoToNationalityName, | |
listCountries, | |
listCountriesArray, | |
listNationalities, | |
listNationalitiesArray | |
} from '@src/localization-utils' | |
import {expect} from 'chai' | |
describe('Country ISO Codes', () => { | |
it('can be converted to country name', () => { | |
expect(isoToCountryName('PL')).equals('Poland') | |
}) | |
it('can be converted to nationality name', () => { | |
expect(isoToNationalityName('PL')).equals('Polish') | |
}) | |
it('countries can be listed', () => { | |
let countries = listCountries() | |
expect(countries['PL']).to.equal('Poland') | |
expect(countries.DK).to.equal('Denmark') | |
}) | |
it('nationalities can be listed', () => { | |
let nationalities = listNationalities() | |
expect(nationalities['PL']).to.equal('Polish') | |
expect(nationalities.DK).to.equal('Danish') | |
}) | |
it('nationalities array can be retrieved', () => { | |
let nationalities = listNationalitiesArray() | |
expect(nationalities.filter(([iso, _]) => iso == 'PL')[0][1]).to.equal( | |
'Polish' | |
) | |
}) | |
it('countries array can be retrieved', () => { | |
let countries = listCountriesArray() | |
expect(countries.filter(([iso, _]) => iso == 'PL')[0][1]).to.equal('Poland') | |
}) | |
}) |
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