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64 lines
2.1 KiB
JavaScript
64 lines
2.1 KiB
JavaScript
import parsePhoneNumber from '../parsePhoneNumber.js'
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/**
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* Matches a phone number object against a phone number string.
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* @param {string} phoneNumberString
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* @param {PhoneNumber} phoneNumber
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* @param {object} metadata — Metadata JSON
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* @return {'INVALID_NUMBER'|'NO_MATCH'|'SHORT_NSN_MATCH'|'NSN_MATCH'|'EXACT_MATCH'}
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*/
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export default function matchPhoneNumberStringAgainstPhoneNumber(phoneNumberString, phoneNumber, metadata) {
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// Parse `phoneNumberString`.
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let phoneNumberStringContainsCallingCode = true
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let parsedPhoneNumber = parsePhoneNumber(phoneNumberString, metadata)
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if (!parsedPhoneNumber) {
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// If `phoneNumberString` didn't contain a country calling code
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// then substitute it with the `phoneNumber`'s country calling code.
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phoneNumberStringContainsCallingCode = false
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parsedPhoneNumber = parsePhoneNumber(phoneNumberString, { defaultCallingCode: phoneNumber.countryCallingCode }, metadata)
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}
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if (!parsedPhoneNumber) {
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return 'INVALID_NUMBER'
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}
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// Check that the extensions match.
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if (phoneNumber.ext) {
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if (parsedPhoneNumber.ext !== phoneNumber.ext) {
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return 'NO_MATCH'
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}
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} else {
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if (parsedPhoneNumber.ext) {
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return 'NO_MATCH'
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}
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}
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// Check that country calling codes match.
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if (phoneNumberStringContainsCallingCode) {
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if (phoneNumber.countryCallingCode !== parsedPhoneNumber.countryCallingCode) {
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return 'NO_MATCH'
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}
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}
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// Check if the whole numbers match.
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if (phoneNumber.number === parsedPhoneNumber.number) {
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if (phoneNumberStringContainsCallingCode) {
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return 'EXACT_MATCH'
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} else {
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return 'NSN_MATCH'
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}
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}
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// Check if one national number is a "suffix" of the other.
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if (
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phoneNumber.nationalNumber.indexOf(parsedPhoneNumber.nationalNumber) === 0 ||
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parsedPhoneNumber.nationalNumber.indexOf(phoneNumber.nationalNumber) === 0
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) {
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// "A SHORT_NSN_MATCH occurs if there is a difference because of the
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// presence or absence of an 'Italian leading zero', the presence or
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// absence of an extension, or one NSN being a shorter variant of the
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// other."
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return 'SHORT_NSN_MATCH'
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}
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return 'NO_MATCH'
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} |