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extractCountryCallingCode from './helpers/extractCountryCallingCode'\r\nimport extractCountryCallingCodeFromInternationalNumberWithoutPlusSign from './helpers/extractCountryCallingCodeFromInternationalNumberWithoutPlusSign'\r\nimport extractNationalNumberFromPossiblyIncompleteNumber from './helpers/extractNationalNumberFromPossiblyIncompleteNumber'\r\nimport stripIddPrefix from './helpers/stripIddPrefix'\r\nimport parseDigits from './helpers/parseDigits'\r\n\r\nimport {\r\n\tVALID_DIGITS,\r\n\tVALID_PUNCTUATION,\r\n\tPLUS_CHARS\r\n} from './constants'\r\n\r\nconst VALID_FORMATTED_PHONE_NUMBER_PART =\r\n\t'[' +\r\n\t\tVALID_PUNCTUATION +\r\n\t\tVALID_DIGITS +\r\n\t']+'\r\n\r\nconst VALID_FORMATTED_PHONE_NUMBER_PART_PATTERN = new RegExp('^' + VALID_FORMATTED_PHONE_NUMBER_PART + '$', 'i')\r\n\r\nconst VALID_PHONE_NUMBER =\r\n\t'(?:' +\r\n\t\t'[' + PLUS_CHARS + ']' +\r\n\t\t'[' +\r\n\t\t\tVALID_PUNCTUATION +\r\n\t\t\tVALID_DIGITS +\r\n\t\t']*' +\r\n\t\t'|' +\r\n\t\t'[' +\r\n\t\t\tVALID_PUNCTUATION +\r\n\t\t\tVALID_DIGITS +\r\n\t\t']+' +\r\n\t')'\r\n\r\nconst AFTER_PHONE_NUMBER_DIGITS_END_PATTERN = new RegExp(\r\n\t'[^' +\r\n\t\tVALID_PUNCTUATION +\r\n\t\tVALID_DIGITS +\r\n\t']+' +\r\n\t'.*' +\r\n\t'$'\r\n)\r\n\r\n// Tests whether `national_prefix_for_parsing` could match\r\n// different national prefixes.\r\n// Matches anything that's not a digit or a square bracket.\r\nconst COMPLEX_NATIONAL_PREFIX = /[^\\d\\[\\]]/\r\n\r\nexport default class AsYouTypeParser {\r\n\tconstructor({\r\n\t\tdefaultCountry,\r\n\t\tdefaultCallingCode,\r\n\t\tmetadata,\r\n\t\tonNationalSignificantNumberChange\r\n\t}) {\r\n\t\tthis.defaultCountry = defaultCountry\r\n\t\tthis.defaultCallingCode = defaultCallingCode\r\n\t\tthis.metadata = metadata\r\n\t\tthis.onNationalSignificantNumberChange = onNationalSignificantNumberChange\r\n\t}\r\n\r\n\tinput(text, state) {\r\n\t\tconst [formattedDigits, hasPlus] = extractFormattedDigitsAndPlus(text)\r\n\t\tconst digits = parseDigits(formattedDigits)\r\n\t\t// Checks for a special case: just a leading `+` has been entered.\r\n\t\tlet justLeadingPlus\r\n\t\tif (hasPlus) {\r\n\t\t\tif (!state.digits) {\r\n\t\t\t\tstate.startInternationalNumber()\r\n\t\t\t\tif (!digits) {\r\n\t\t\t\t\tjustLeadingPlus = true\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\t\tif (digits) {\r\n\t\t\tthis.inputDigits(digits, state)\r\n\t\t}\r\n\t\treturn {\r\n\t\t\tdigits,\r\n\t\t\tjustLeadingPlus\r\n\t\t}\r\n\t}\r\n\r\n\t/**\r\n\t * Inputs \"next\" phone number digits.\r\n\t * @param {string} digits\r\n\t * @return {string} [formattedNumber] Formatted national phone number (if it can be formatted at this stage). Returning `undefined` means \"don't format the national phone number at this stage\".\r\n\t */\r\n\tinputDigits(nextDigits, state) {\r\n\t\tconst { digits } = state\r\n\t\tconst hasReceivedThreeLeadingDigits = digits.length < 3 && digits.length + nextDigits.length >= 3\r\n\r\n\t\t// Append phone number digits.\r\n\t\tstate.appendDigits(nextDigits)\r\n\r\n\t\t// Attempt to extract IDD prefix:\r\n\t\t// Some users input their phone number in international format,\r\n\t\t// but in an \"out-of-country\" dialing format instead of using the leading `+`.\r\n\t\t// https://github.com/catamphetamine/libphonenumber-js/issues/185\r\n\t\t// Detect such numbers as soon as there're at least 3 digits.\r\n\t\t// Google's library attempts to extract IDD prefix at 3 digits,\r\n\t\t// so this library just copies that behavior.\r\n\t\t// I guess that's because the most commot IDD prefixes are\r\n\t\t// `00` (Europe) and `011` (US).\r\n\t\t// There exist really long IDD prefixes too:\r\n\t\t// for example, in Australia the default IDD prefix is `0011`,\r\n\t\t// and it could even be as long as `14880011`.\r\n\t\t// An IDD prefix is extracted here, and then every time when\r\n\t\t// there's a new digit and the number couldn't be formatted.\r\n\t\tif (hasReceivedThreeLeadingDigits) {\r\n\t\t\tthis.extractIddPrefix(state)\r\n\t\t}\r\n\r\n\t\tif (this.isWaitingForCountryCallingCode(state)) {\r\n\t\t\tif (!this.extractCountryCallingCode(state)) {\r\n\t\t\t\treturn\r\n\t\t\t}\r\n\t\t} else {\r\n\t\t\tstate.appendNationalSignificantNumberDigits(nextDigits)\r\n\t\t}\r\n\r\n\t\t// If a phone number is being input in international format,\r\n\t\t// then it's not valid for it to have a national prefix.\r\n\t\t// Still, some people incorrectly input such numbers with a national prefix.\r\n\t\t// In such cases, only attempt to strip a national prefix if the number becomes too long.\r\n\t\t// (but that is done later, not here)\r\n\t\tif (!state.international) {\r\n\t\t\tif (!this.hasExtractedNationalSignificantNumber) {\r\n\t\t\t\tthis.extractNationalSignificantNumber(state.getNationalDigits(), state.update)\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\r\n\tisWaitingForCountryCallingCode({ international, callingCode }) {\r\n\t\treturn international && !callingCode\r\n\t}\r\n\r\n\t// Extracts a country calling code from a number\r\n\t// being entered in internatonal format.\r\n\textractCountryCallingCode(state) {\r\n\t\tconst { countryCallingCode, number } = extractCountryCallingCode(\r\n\t\t\t'+' + state.getDigitsWithoutInternationalPrefix(),\r\n\t\t\tthis.defaultCountry,\r\n\t\t\tthis.defaultCallingCode,\r\n\t\t\tthis.metadata.metadata\r\n\t\t)\r\n\t\tif (countryCallingCode) {\r\n\t\t\tstate.setCallingCode(countryCallingCode)\r\n\t\t\tstate.update({\r\n\t\t\t\tnationalSignificantNumber: number\r\n\t\t\t})\r\n\t\t\treturn true\r\n\t\t}\r\n\t}\r\n\r\n\treset(numberingPlan) {\r\n\t\tif (numberingPlan) {\r\n\t\t\tthis.hasSelectedNumberingPlan = true\r\n\t\t\tconst nationalPrefixForParsing = numberingPlan._nationalPrefixForParsing()\r\n\t\t\tthis.couldPossiblyExtractAnotherNationalSignificantNumber = nationalPrefixForParsing && COMPLEX_NATIONAL_PREFIX.test(nationalPrefixForParsing)\r\n\t\t} else {\r\n\t\t\tthis.hasSelectedNumberingPlan = undefined\r\n\t\t\tthis.couldPossiblyExtractAnotherNationalSignificantNumber = undefined\r\n\t\t}\r\n\t}\r\n\r\n\t/**\r\n\t * Extracts a national (significant) number from user input.\r\n\t * Google's library is different in that it only applies `national_prefix_for_parsing`\r\n\t * and doesn't apply `national_prefix_transform_rule` after that.\r\n\t * https://github.com/google/libphonenumber/blob/a3d70b0487875475e6ad659af404943211d26456/java/libphonenumber/src/com/google/i18n/phonenumbers/AsYouTypeFormatter.java#L539\r\n\t * @return {boolean} [extracted]\r\n\t */\r\n\textractNationalSignificantNumber(nationalDigits, setState) {\r\n\t\tif (!this.hasSelectedNumberingPlan) {\r\n\t\t\treturn\r\n\t\t}\r\n\t\tconst {\r\n\t\t\tnationalPrefix,\r\n\t\t\tnationalNumber,\r\n\t\t\tcarrierCode\r\n\t\t} = extractNationalNumberFromPossiblyIncompleteNumber(\r\n\t\t\tnationalDigits,\r\n\t\t\tthis.metadata\r\n\t\t)\r\n\t\tif (nationalNumber === nationalDigits) {\r\n\t\t\treturn\r\n\t\t}\r\n\t\tthis.onExtractedNationalNumber(\r\n\t\t\tnationalPrefix,\r\n\t\t\tcarrierCode,\r\n\t\t\tnationalNumber,\r\n\t\t\tnationalDigits,\r\n\t\t\tsetState\r\n\t\t)\r\n\t\treturn true\r\n\t}\r\n\r\n\t/**\r\n\t * In Google's code this function is called \"attempt to extract longer NDD\".\r\n\t * \"Some national prefixes are a substring of others\", they say.\r\n\t * @return {boolean} [result] — Returns `true` if extracting a national prefix produced different results from what they were.\r\n\t */\r\n\textractAnotherNationalSignificantNumber(nationalDigits, prevNationalSignificantNumber, setState) {\r\n\t\tif (!this.hasExtractedNationalSignificantNumber) {\r\n\t\t\treturn this.extractNationalSignificantNumber(nationalDigits, setState)\r\n\t\t}\r\n\t\tif (!this.couldPossiblyExtractAnotherNationalSignificantNumber) {\r\n\t\t\treturn\r\n\t\t}\r\n\t\tconst {\r\n\t\t\tnationalPrefix,\r\n\t\t\tnationalNumber,\r\n\t\t\tcarrierCode\r\n\t\t} = extractNationalNumberFromPossiblyIncompleteNumber(\r\n\t\t\tnationalDigits,\r\n\t\t\tthis.metadata\r\n\t\t)\r\n\t\t// If a national prefix has been extracted previously,\r\n\t\t// then it's always extracted as additional digits are added.\r\n\t\t// That's assuming `extractNationalNumberFromPossiblyIncompleteNumber()`\r\n\t\t// doesn't do anything different from what it currently does.\r\n\t\t// So, just in case, here's this check, though it doesn't occur.\r\n\t\t/* istanbul ignore if */\r\n\t\tif (nationalNumber === prevNationalSignificantNumber) {\r\n\t\t\treturn\r\n\t\t}\r\n\t\tthis.onExtractedNationalNumber(\r\n\t\t\tnationalPrefix,\r\n\t\t\tcarrierCode,\r\n\t\t\tnationalNumber,\r\n\t\t\tnationalDigits,\r\n\t\t\tsetState\r\n\t\t)\r\n\t\treturn true\r\n\t}\r\n\r\n\tonExtractedNationalNumber(\r\n\t\tnationalPrefix,\r\n\t\tcarrierCode,\r\n\t\tnationalSignificantNumber,\r\n\t\tnationalDigits,\r\n\t\tsetState\r\n\t) {\r\n\t\tlet complexPrefixBeforeNationalSignificantNumber\r\n\t\tlet nationalSignificantNumberMatchesInput\r\n\t\t// This check also works with empty `this.nationalSignificantNumber`.\r\n\t\tconst nationalSignificantNumberIndex = nationalDigits.lastIndexOf(nationalSignificantNumber)\r\n\t\t// If the extracted national (significant) number is the\r\n\t\t// last substring of the `digits`, then it means that it hasn't been altered:\r\n\t\t// no digits have been removed from the national (significant) number\r\n\t\t// while applying `national_prefix_transform_rule`.\r\n\t\t// https://gitlab.com/catamphetamine/libphonenumber-js/-/blob/master/METADATA.md#national_prefix_for_parsing--national_prefix_transform_rule\r\n\t\tif (nationalSignificantNumberIndex >= 0 &&\r\n\t\t\tnationalSignificantNumberIndex === nationalDigits.length - nationalSignificantNumber.length) {\r\n\t\t\tnationalSignificantNumberMatchesInput = true\r\n\t\t\t// If a prefix of a national (significant) number is not as simple\r\n\t\t\t// as just a basic national prefix, then such prefix is stored in\r\n\t\t\t// `this.complexPrefixBeforeNationalSignificantNumber` property and will be\r\n\t\t\t// prepended \"as is\" to the national (significant) number to produce\r\n\t\t\t// a formatted result.\r\n\t\t\tconst prefixBeforeNationalNumber = nationalDigits.slice(0, nationalSignificantNumberIndex)\r\n\t\t\t// `prefixBeforeNationalNumber` is always non-empty,\r\n\t\t\t// because `onExtractedNationalNumber()` isn't called\r\n\t\t\t// when a national (significant) number hasn't been actually \"extracted\":\r\n\t\t\t// when a national (significant) number is equal to the national part of `digits`,\r\n\t\t\t// then `onExtractedNationalNumber()` doesn't get called.\r\n\t\t\tif (prefixBeforeNationalNumber !== nationalPrefix) {\r\n\t\t\t\tcomplexPrefixBeforeNationalSignificantNumber = prefixBeforeNationalNumber\r\n\t\t\t}\r\n\t\t}\r\n\t\tsetState({\r\n\t\t\tnationalPrefix,\r\n\t\t\tcarrierCode,\r\n\t\t\tnationalSignificantNumber,\r\n\t\t\tnationalSignificantNumberMatchesInput,\r\n\t\t\tcomplexPrefixBeforeNationalSignificantNumber\r\n\t\t})\r\n\t\t// `onExtractedNationalNumber()` is only called when\r\n\t\t// the national (significant) number actually did change.\r\n\t\tthis.hasExtractedNationalSignificantNumber = true\r\n\t\tthis.onNationalSignificantNumberChange()\r\n\t}\r\n\r\n\treExtractNationalSignificantNumber(state) {\r\n\t\t// Attempt to extract a national prefix.\r\n\t\t//\r\n\t\t// Some people incorrectly input national prefix\r\n\t\t// in an international phone number.\r\n\t\t// For example, some people write British phone numbers as `+44(0)...`.\r\n\t\t//\r\n\t\t// Also, in some rare cases, it is valid for a national prefix\r\n\t\t// to be a part of an international phone number.\r\n\t\t// For example, mobile phone numbers in Mexico are supposed to be\r\n\t\t// dialled internationally using a `1` national prefix,\r\n\t\t// so the national prefix will be part of an international number.\r\n\t\t//\r\n\t\t// Quote from:\r\n\t\t// https://www.mexperience.com/dialing-cell-phones-in-mexico/\r\n\t\t//\r\n\t\t// \"Dialing a Mexican cell phone from abroad\r\n\t\t// When you are calling a cell phone number in Mexico from outside Mexico,\r\n\t\t// it’s necessary to dial an additional “1” after Mexico’s country code\r\n\t\t// (which is “52”) and before the area code.\r\n\t\t// You also ignore the 045, and simply dial the area code and the\r\n\t\t// cell phone’s number.\r\n\t\t//\r\n\t\t// If you don’t add the “1”, you’ll receive a recorded announcement\r\n\t\t// asking you to redial using it.\r\n\t\t//\r\n\t\t// For example, if you are calling from the USA to a cell phone\r\n\t\t// in Mexico City, you would dial +52 – 1 – 55 – 1234 5678.\r\n\t\t// (Note that this is different to calling a land line in Mexico City\r\n\t\t// from abroad, where the number dialed would be +52 – 55 – 1234 5678)\".\r\n\t\t//\r\n\t\t// Google's demo output:\r\n\t\t// https://libphonenumber.appspot.com/phonenumberparser?number=%2b5215512345678&country=MX\r\n\t\t//\r\n\t\tif (this.extractAnotherNationalSignificantNumber(\r\n\t\t\tstate.getNationalDigits(),\r\n\t\t\tstate.nationalSignificantNumber,\r\n\t\t\tstate.update\r\n\t\t)) {\r\n\t\t\treturn true\r\n\t\t}\r\n\t\t// If no format matches the phone number, then it could be\r\n\t\t// \"a really long IDD\" (quote from a comment in Google's library).\r\n\t\t// An IDD prefix is first extracted when the user has entered at least 3 digits,\r\n\t\t// and then here — every time when there's a new digit and the number\r\n\t\t// couldn't be formatted.\r\n\t\t// For example, in Australia the default IDD prefix is `0011`,\r\n\t\t// and it could even be as long as `14880011`.\r\n\t\t//\r\n\t\t// Could also check `!hasReceivedThreeLeadingDigits` here\r\n\t\t// to filter out the case when this check duplicates the one\r\n\t\t// already performed when there're 3 leading digits,\r\n\t\t// but it's not a big deal, and in most cases there\r\n\t\t// will be a suitable `format` when there're 3 leading digits.\r\n\t\t//\r\n\t\tif (this.extractIddPrefix(state)) {\r\n\t\t\tthis.extractCallingCodeAndNationalSignificantNumber(state)\r\n\t\t\treturn true\r\n\t\t}\r\n\t\t// Google's AsYouType formatter supports sort of an \"autocorrection\" feature\r\n\t\t// when it \"autocorrects\" numbers that have been input for a country\r\n\t\t// with that country's calling code.\r\n\t\t// Such \"autocorrection\" feature looks weird, but different people have been requesting it:\r\n\t\t// https://github.com/catamphetamine/libphonenumber-js/issues/376\r\n\t\t// https://github.com/catamphetamine/libphonenumber-js/issues/375\r\n\t\t// https://github.com/catamphetamine/libphonenumber-js/issues/316\r\n\t\tif (this.fixMissingPlus(state)) {\r\n\t\t\tthis.extractCallingCodeAndNationalSignificantNumber(state)\r\n\t\t\treturn true\r\n\t\t}\r\n\t}\r\n\r\n\textractIddPrefix(state) {\r\n\t\t// An IDD prefix can't be present in a number written with a `+`.\r\n\t\t// Also, don't re-extract an IDD prefix if has already been extracted.\r\n\t\tconst {\r\n\t\t\tinternational,\r\n\t\t\tIDDPrefix,\r\n\t\t\tdigits,\r\n\t\t\tnationalSignificantNumber\r\n\t\t} = state\r\n\t\tif (international || IDDPrefix) {\r\n\t\t\treturn\r\n\t\t}\r\n\t\t// Some users input their phone number in \"out-of-country\"\r\n\t\t// dialing format instead of using the leading `+`.\r\n\t\t// https://github.com/catamphetamine/libphonenumber-js/issues/185\r\n\t\t// Detect such numbers.\r\n\t\tconst numberWithoutIDD = stripIddPrefix(\r\n\t\t\tdigits,\r\n\t\t\tthis.defaultCountry,\r\n\t\t\tthis.defaultCallingCode,\r\n\t\t\tthis.metadata.metadata\r\n\t\t)\r\n\t\tif (numberWithoutIDD !== undefined && numberWithoutIDD !== digits) {\r\n\t\t\t// If an IDD prefix was stripped then convert the IDD-prefixed number\r\n\t\t\t// to international number for subsequent parsing.\r\n\t\t\tstate.update({\r\n\t\t\t\tIDDPrefix: digits.slice(0, digits.length - numberWithoutIDD.length)\r\n\t\t\t})\r\n\t\t\tthis.startInternationalNumber(state)\r\n\t\t\treturn true\r\n\t\t}\r\n\t}\r\n\r\n\tfixMissingPlus(state) {\r\n\t\tif (!state.international) {\r\n\t\t\tconst {\r\n\t\t\t\tcountryCallingCode: newCallingCode,\r\n\t\t\t\tnumber\r\n\t\t\t} = extractCountryCallingCodeFromInternationalNumberWithoutPlusSign(\r\n\t\t\t\tstate.digits,\r\n\t\t\t\tthis.defaultCountry,\r\n\t\t\t\tthis.defaultCallingCode,\r\n\t\t\t\tthis.metadata.metadata\r\n\t\t\t)\r\n\t\t\tif (newCallingCode) {\r\n\t\t\t\tstate.update({\r\n\t\t\t\t\tmissingPlus: true\r\n\t\t\t\t})\r\n\t\t\t\tthis.startInternationalNumber(state)\r\n\t\t\t\treturn true\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\r\n\tstartInternationalNumber(state) {\r\n\t\tstate.startInternationalNumber()\r\n\t\t// If a national (significant) number has been extracted before, reset it.\r\n\t\tif (state.nationalSignificantNumber) {\r\n\t\t\tstate.resetNationalSignificantNumber()\r\n\t\t\tthis.onNationalSignificantNumberChange()\r\n\t\t\tthis.hasExtractedNationalSignificantNumber = undefined\r\n\t\t}\r\n\t}\r\n\r\n\textractCallingCodeAndNationalSignificantNumber(state) {\r\n\t\tif (this.extractCountryCallingCode(state)) {\r\n\t\t\t// `this.extractCallingCode()` is currently called when the number\r\n\t\t\t// couldn't be formatted during the standard procedure.\r\n\t\t\t// Normally, the national prefix would be re-extracted\r\n\t\t\t// for an international number if such number couldn't be formatted,\r\n\t\t\t// but since it's already not able to be formatted,\r\n\t\t\t// there won't be yet another retry, so also extract national prefix here.\r\n\t\t\tthis.extractNationalSignificantNumber(state.getNationalDigits(), state.update)\r\n\t\t}\r\n\t}\r\n}\r\n\r\n/**\r\n * Extracts formatted phone number from text (if there's any).\r\n * @param {string} text\r\n * @return {string} [formattedPhoneNumber]\r\n */\r\nfunction extractFormattedPhoneNumber(text) {\r\n\t// Attempt to extract a possible number from the string passed in.\r\n\tconst startsAt = text.search(VALID_PHONE_NUMBER)\r\n\tif (startsAt < 0) {\r\n\t\treturn\r\n\t}\r\n\t// Trim everything to the left of the phone number.\r\n\ttext = text.slice(startsAt)\r\n\t// Trim the `+`.\r\n\tlet hasPlus\r\n\tif (text[0] === '+') {\r\n\t\thasPlus = true\r\n\t\ttext = text.slice('+'.length)\r\n\t}\r\n\t// Trim everything to the right of the phone number.\r\n\ttext = text.replace(AFTER_PHONE_NUMBER_DIGITS_END_PATTERN, '')\r\n\t// Re-add the previously trimmed `+`.\r\n\tif (hasPlus) {\r\n\t\ttext = '+' + text\r\n\t}\r\n\treturn text\r\n}\r\n\r\n/**\r\n * Extracts formatted phone number digits (and a `+`) from text (if there're any).\r\n * @param {string} text\r\n * @return {any[]}\r\n */\r\nfunction _extractFormattedDigitsAndPlus(text) {\r\n\t// Extract a formatted phone number part from text.\r\n\tconst extractedNumber = extractFormattedPhoneNumber(text) || ''\r\n\t// Trim a `+`.\r\n\tif (extractedNumber[0] === '+') {\r\n\t\treturn [extractedNumber.slice('+'.length), true]\r\n\t}\r\n\treturn [extractedNumber]\r\n}\r\n\r\n/**\r\n * Extracts formatted phone number digits (and a `+`) from text (if there're any).\r\n * @param {string} text\r\n * @return {any[]}\r\n */\r\nexport function extractFormattedDigitsAndPlus(text) {\r\n\tlet [formattedDigits, hasPlus] = _extractFormattedDigitsAndPlus(text)\r\n\t// If the extracted phone number part\r\n\t// can possibly be a part of some valid phone number\r\n\t// then parse phone number characters from a formatted phone number.\r\n\tif (!VALID_FORMATTED_PHONE_NUMBER_PART_PATTERN.test(formattedDigits)) {\r\n\t\tformattedDigits = ''\r\n\t}\r\n\treturn [formattedDigits, hasPlus]\r\n}"],"file":"AsYouTypeParser.js"} |