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// This is a port of Google Android `libphonenumber`'s
// `phonenumberutil.js` of December 31th, 2018.
//
// https://github.com/googlei18n/libphonenumber/commits/master/javascript/i18n/phonenumbers/phonenumberutil.js
import matchesEntirely from './helpers/matchesEntirely.js'
import formatNationalNumberUsingFormat from './helpers/formatNationalNumberUsingFormat.js'
import Metadata, { getCountryCallingCode } from './metadata.js'
import getIddPrefix from './helpers/getIddPrefix.js'
import { formatRFC3966 } from './helpers/RFC3966.js'
const DEFAULT_OPTIONS = {
formatExtension: (formattedNumber, extension, metadata) => `${formattedNumber}${metadata.ext()}${extension}`
}
/**
* Formats a phone number.
*
* format(phoneNumberInstance, 'INTERNATIONAL', { ..., v2: true }, metadata)
* format(phoneNumberInstance, 'NATIONAL', { ..., v2: true }, metadata)
*
* format({ phone: '8005553535', country: 'RU' }, 'INTERNATIONAL', { ... }, metadata)
* format({ phone: '8005553535', country: 'RU' }, 'NATIONAL', undefined, metadata)
*
* @param {object|PhoneNumber} input — If `options.v2: true` flag is passed, the `input` should be a `PhoneNumber` instance. Otherwise, it should be an object of shape `{ phone: '...', country: '...' }`.
* @param {string} format
* @param {object} [options]
* @param {object} metadata
* @return {string}
*/
export default function formatNumber(input, format, options, metadata) {
// Apply default options.
if (options) {
options = { ...DEFAULT_OPTIONS, ...options }
} else {
options = DEFAULT_OPTIONS
}
metadata = new Metadata(metadata)
if (input.country && input.country !== '001') {
// Validate `input.country`.
if (!metadata.hasCountry(input.country)) {
throw new Error(`Unknown country: ${input.country}`)
}
metadata.country(input.country)
}
else if (input.countryCallingCode) {
metadata.selectNumberingPlan(input.countryCallingCode)
}
else return input.phone || ''
const countryCallingCode = metadata.countryCallingCode()
const nationalNumber = options.v2 ? input.nationalNumber : input.phone
// This variable should have been declared inside `case`s
// but Babel has a bug and it says "duplicate variable declaration".
let number
switch (format) {
case 'NATIONAL':
// Legacy argument support.
// (`{ country: ..., phone: '' }`)
if (!nationalNumber) {
return ''
}
number = formatNationalNumber(nationalNumber, input.carrierCode, 'NATIONAL', metadata, options)
return addExtension(number, input.ext, metadata, options.formatExtension)
case 'INTERNATIONAL':
// Legacy argument support.
// (`{ country: ..., phone: '' }`)
if (!nationalNumber) {
return `+${countryCallingCode}`
}
number = formatNationalNumber(nationalNumber, null, 'INTERNATIONAL', metadata, options)
number = `+${countryCallingCode} ${number}`
return addExtension(number, input.ext, metadata, options.formatExtension)
case 'E.164':
// `E.164` doesn't define "phone number extensions".
return `+${countryCallingCode}${nationalNumber}`
case 'RFC3966':
return formatRFC3966({
number: `+${countryCallingCode}${nationalNumber}`,
ext: input.ext
})
// For reference, here's Google's IDD formatter:
// https://github.com/google/libphonenumber/blob/32719cf74e68796788d1ca45abc85dcdc63ba5b9/java/libphonenumber/src/com/google/i18n/phonenumbers/PhoneNumberUtil.java#L1546
// Not saying that this IDD formatter replicates it 1:1, but it seems to work.
// Who would even need to format phone numbers in IDD format anyway?
case 'IDD':
if (!options.fromCountry) {
return
// throw new Error('`fromCountry` option not passed for IDD-prefixed formatting.')
}
const formattedNumber = formatIDD(
nationalNumber,
input.carrierCode,
countryCallingCode,
options.fromCountry,
metadata
)
return addExtension(formattedNumber, input.ext, metadata, options.formatExtension)
default:
throw new Error(`Unknown "format" argument passed to "formatNumber()": "${format}"`)
}
}
function formatNationalNumber(number, carrierCode, formatAs, metadata, options) {
const format = chooseFormatForNumber(metadata.formats(), number)
if (!format) {
return number
}
return formatNationalNumberUsingFormat(
number,
format,
{
useInternationalFormat: formatAs === 'INTERNATIONAL',
withNationalPrefix: format.nationalPrefixIsOptionalWhenFormattingInNationalFormat() && (options && options.nationalPrefix === false) ? false : true,
carrierCode,
metadata
}
)
}
export function chooseFormatForNumber(availableFormats, nationalNnumber) {
for (const format of availableFormats) {
// Validate leading digits.
// The test case for "else path" could be found by searching for
// "format.leadingDigitsPatterns().length === 0".
if (format.leadingDigitsPatterns().length > 0) {
// The last leading_digits_pattern is used here, as it is the most detailed
const lastLeadingDigitsPattern = format.leadingDigitsPatterns()[format.leadingDigitsPatterns().length - 1]
// If leading digits don't match then move on to the next phone number format
if (nationalNnumber.search(lastLeadingDigitsPattern) !== 0) {
continue
}
}
// Check that the national number matches the phone number format regular expression
if (matchesEntirely(nationalNnumber, format.pattern())) {
return format
}
}
}
function addExtension(formattedNumber, ext, metadata, formatExtension) {
return ext ? formatExtension(formattedNumber, ext, metadata) : formattedNumber
}
function formatIDD(
nationalNumber,
carrierCode,
countryCallingCode,
fromCountry,
metadata
) {
const fromCountryCallingCode = getCountryCallingCode(fromCountry, metadata.metadata)
// When calling within the same country calling code.
if (fromCountryCallingCode === countryCallingCode) {
const formattedNumber = formatNationalNumber(nationalNumber, carrierCode, 'NATIONAL', metadata)
// For NANPA regions, return the national format for these regions
// but prefix it with the country calling code.
if (countryCallingCode === '1') {
return countryCallingCode + ' ' + formattedNumber
}
// If regions share a country calling code, the country calling code need
// not be dialled. This also applies when dialling within a region, so this
// if clause covers both these cases. Technically this is the case for
// dialling from La Reunion to other overseas departments of France (French
// Guiana, Martinique, Guadeloupe), but not vice versa - so we don't cover
// this edge case for now and for those cases return the version including
// country calling code. Details here:
// http://www.petitfute.com/voyage/225-info-pratiques-reunion
//
return formattedNumber
}
const iddPrefix = getIddPrefix(fromCountry, undefined, metadata.metadata)
if (iddPrefix) {
return `${iddPrefix} ${countryCallingCode} ${formatNationalNumber(nationalNumber, null, 'INTERNATIONAL', metadata)}`
}
}
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