74 lines
2.3 KiB
JavaScript
74 lines
2.3 KiB
JavaScript
import Metadata from '../metadata.js'
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import matchesEntirely from './matchesEntirely.js'
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import extractNationalNumber from './extractNationalNumber.js'
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import checkNumberLength from './checkNumberLength.js'
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import getCountryCallingCode from '../getCountryCallingCode.js'
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/**
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* Sometimes some people incorrectly input international phone numbers
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* without the leading `+`. This function corrects such input.
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* @param {string} number — Phone number digits.
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* @param {string} [country] — Exact country of the phone number.
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* @param {string} [defaultCountry]
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* @param {string} [defaultCallingCode]
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* @param {object} metadata
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* @return {object} `{ countryCallingCode: string?, number: string }`.
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*/
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export default function extractCountryCallingCodeFromInternationalNumberWithoutPlusSign(
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number,
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country,
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defaultCountry,
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defaultCallingCode,
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metadata
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) {
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const countryCallingCode = country || defaultCountry
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? getCountryCallingCode(country || defaultCountry, metadata)
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: defaultCallingCode
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if (number.indexOf(countryCallingCode) === 0) {
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metadata = new Metadata(metadata)
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metadata.selectNumberingPlan(country || defaultCountry, countryCallingCode)
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const possibleShorterNumber = number.slice(countryCallingCode.length)
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const {
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nationalNumber: possibleShorterNationalNumber,
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} = extractNationalNumber(
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possibleShorterNumber,
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country,
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metadata
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)
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const {
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nationalNumber
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} = extractNationalNumber(
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number,
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country,
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metadata
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)
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// If the number was not valid before but is valid now,
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// or if it was too long before, we consider the number
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// with the country calling code stripped to be a better result
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// and keep that instead.
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// For example, in Germany (+49), `49` is a valid area code,
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// so if a number starts with `49`, it could be both a valid
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// national German number or an international number without
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// a leading `+`.
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if (
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(
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!matchesEntirely(nationalNumber, metadata.nationalNumberPattern()) &&
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matchesEntirely(possibleShorterNationalNumber, metadata.nationalNumberPattern())
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)
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checkNumberLength(nationalNumber, country, metadata) === 'TOO_LONG'
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) {
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return {
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countryCallingCode,
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number: possibleShorterNumber
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}
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}
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}
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return { number }
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} |