Computing Complete Answers to Queries in the Presence of Limited Access Patterns.\r\n * Chen Li. VLDB J. 12(3): 211-227 (2003).\r\n *\r\n * The string \"211-227 (2003)\" is not a telephone number.\r\n */\nvar PUB_PAGES = /\\d{1,5}-+\\d{1,5}\\s{0,4}\\(\\d{1,4}/;\n\nfunction isValidCandidate(candidate, offset, text, leniency) {\n\t// Check the candidate doesn't contain any formatting\n\t// which would indicate that it really isn't a phone number.\n\tif (!MATCHING_BRACKETS_ENTIRE.test(candidate) || PUB_PAGES.test(candidate)) {\n\t\treturn;\n\t}\n\n\t// If leniency is set to VALID or stricter, we also want to skip numbers that are surrounded\n\t// by Latin alphabetic characters, to skip cases like abc8005001234 or 8005001234def.\n\tif (leniency !== 'POSSIBLE') {\n\t\t// If the candidate is not at the start of the text,\n\t\t// and does not start with phone-number punctuation,\n\t\t// check the previous character.\n\t\tif (offset > 0 && !LEAD_CLASS_LEADING.test(candidate)) {\n\t\t\tvar previousChar = text[offset - 1];\n\t\t\t// We return null if it is a latin letter or an invalid punctuation symbol.\n\t\t\tif (isInvalidPunctuationSymbol(previousChar) || isLatinLetter(previousChar)) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\n\t\tvar lastCharIndex = offset + candidate.length;\n\t\tif (lastCharIndex < text.length) {\n\t\t\tvar nextChar = text[lastCharIndex];\n\t\t\tif (isInvalidPunctuationSymbol(nextChar) || isLatinLetter(nextChar)) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t}\n\t}\n\n\treturn true;\n}\n//# sourceMappingURL=isValidCandidate.js.map\n// CONCATENATED MODULE: ./node_modules/libphonenumber-js/es6/findPhoneNumbers_.js\nvar findPhoneNumbers_createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction findPhoneNumbers_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction findPhoneNumbers_defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\n// This is a legacy function.\n// Use `findNumbers()` instead.\n\n\n\n\n\n\n\n\n\n\n\n// Copy-pasted from `./parse.js`.\nvar findPhoneNumbers_VALID_PHONE_NUMBER = '[' + PLUS_CHARS + ']{0,1}' + '(?:' + '[' + VALID_PUNCTUATION + ']*' + '[' + VALID_DIGITS + ']' + '){3,}' + '[' + VALID_PUNCTUATION + VALID_DIGITS + ']*';\n\nvar WHITESPACE_IN_THE_BEGINNING_PATTERN = new RegExp('^[' + WHITESPACE + ']+');\nvar PUNCTUATION_IN_THE_END_PATTERN = new RegExp('[' + VALID_PUNCTUATION + ']+$');\n\n// // Regular expression for getting opening brackets for a valid number\n// // found using `PHONE_NUMBER_START_PATTERN` for prepending those brackets to the number.\n// const BEFORE_NUMBER_DIGITS_PUNCTUATION = new RegExp('[' + OPENING_BRACKETS + ']+' + '[' + WHITESPACE + ']*' + '$')\n\nvar VALID_PRECEDING_CHARACTER_PATTERN = /[^a-zA-Z0-9]/;\n\nfunction findPhoneNumbers(text, options, metadata) {\n\t/* istanbul ignore if */\n\tif (options === undefined) {\n\t\toptions = {};\n\t}\n\n\tvar search = new findPhoneNumbers_PhoneNumberSearch(text, options, metadata);\n\tvar phones = [];\n\twhile (search.hasNext()) {\n\t\tphones.push(search.next());\n\t}\n\treturn phones;\n}\n\n/**\r\n * @return ES6 `for ... of` iterator.\r\n */\nfunction searchPhoneNumbers(text, options, metadata) {\n\t/* istanbul ignore if */\n\tif (options === undefined) {\n\t\toptions = {};\n\t}\n\n\tvar search = new findPhoneNumbers_PhoneNumberSearch(text, options, metadata);\n\n\treturn findPhoneNumbers_defineProperty({}, Symbol.iterator, function () {\n\t\treturn {\n\t\t\tnext: function next() {\n\t\t\t\tif (search.hasNext()) {\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdone: false,\n\t\t\t\t\t\tvalue: search.next()\n\t\t\t\t\t};\n\t\t\t\t}\n\t\t\t\treturn {\n\t\t\t\t\tdone: true\n\t\t\t\t};\n\t\t\t}\n\t\t};\n\t});\n}\n\n/**\r\n * Extracts a parseable phone number including any opening brackets, etc.\r\n * @param {string} text - Input.\r\n * @return {object} `{ ?number, ?startsAt, ?endsAt }`.\r\n */\nvar findPhoneNumbers_PhoneNumberSearch = function () {\n\tfunction PhoneNumberSearch(text) {\n\t\tvar options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\t\tvar metadata = arguments[2];\n\n\t\tfindPhoneNumbers_classCallCheck(this, PhoneNumberSearch);\n\n\t\tthis.state = 'NOT_READY';\n\n\t\tthis.text = text;\n\t\tthis.options = options;\n\t\tthis.metadata = metadata;\n\n\t\tthis.regexp = new RegExp(findPhoneNumbers_VALID_PHONE_NUMBER +\n\t\t// Phone number extensions\n\t\t'(?:' + EXTN_PATTERNS_FOR_PARSING + ')?', 'ig');\n\n\t\t// this.searching_from = 0\n\t}\n\t// Iteration tristate.\n\n\n\tfindPhoneNumbers_createClass(PhoneNumberSearch, [{\n\t\tkey: 'find',\n\t\tvalue: function find() {\n\t\t\tvar matches = this.regexp.exec(this.text);\n\n\t\t\tif (!matches) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tvar number = matches[0];\n\t\t\tvar startsAt = matches.index;\n\n\t\t\tnumber = number.replace(WHITESPACE_IN_THE_BEGINNING_PATTERN, '');\n\t\t\tstartsAt += matches[0].length - number.length;\n\t\t\t// Fixes not parsing numbers with whitespace in the end.\n\t\t\t// Also fixes not parsing numbers with opening parentheses in the end.\n\t\t\t// https://github.com/catamphetamine/libphonenumber-js/issues/252\n\t\t\tnumber = number.replace(PUNCTUATION_IN_THE_END_PATTERN, '');\n\n\t\t\tnumber = parsePreCandidate(number);\n\n\t\t\tvar result = this.parseCandidate(number, startsAt);\n\n\t\t\tif (result) {\n\t\t\t\treturn result;\n\t\t\t}\n\n\t\t\t// Tail recursion.\n\t\t\t// Try the next one if this one is not a valid phone number.\n\t\t\treturn this.find();\n\t\t}\n\t}, {\n\t\tkey: 'parseCandidate',\n\t\tvalue: function parseCandidate(number, startsAt) {\n\t\t\tif (!isValidPreCandidate(number, startsAt, this.text)) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Don't parse phone numbers which are non-phone numbers\n\t\t\t// due to being part of something else (e.g. a UUID).\n\t\t\t// https://github.com/catamphetamine/libphonenumber-js/issues/213\n\t\t\t// Copy-pasted from Google's `PhoneNumberMatcher.js` (`.parseAndValidate()`).\n\t\t\tif (!isValidCandidate(number, startsAt, this.text, this.options.extended ? 'POSSIBLE' : 'VALID')) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// // Prepend any opening brackets left behind by the\n\t\t\t// // `PHONE_NUMBER_START_PATTERN` regexp.\n\t\t\t// const text_before_number = text.slice(this.searching_from, startsAt)\n\t\t\t// const full_number_starts_at = text_before_number.search(BEFORE_NUMBER_DIGITS_PUNCTUATION)\n\t\t\t// if (full_number_starts_at >= 0)\n\t\t\t// {\n\t\t\t// \tnumber = text_before_number.slice(full_number_starts_at) + number\n\t\t\t// \tstartsAt = full_number_starts_at\n\t\t\t// }\n\t\t\t//\n\t\t\t// this.searching_from = matches.lastIndex\n\n\t\t\tvar result = parse(number, this.options, this.metadata);\n\n\t\t\tif (!result.phone) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tresult.startsAt = startsAt;\n\t\t\tresult.endsAt = startsAt + number.length;\n\n\t\t\treturn result;\n\t\t}\n\t}, {\n\t\tkey: 'hasNext',\n\t\tvalue: function hasNext() {\n\t\t\tif (this.state === 'NOT_READY') {\n\t\t\t\tthis.last_match = this.find();\n\n\t\t\t\tif (this.last_match) {\n\t\t\t\t\tthis.state = 'READY';\n\t\t\t\t} else {\n\t\t\t\t\tthis.state = 'DONE';\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn this.state === 'READY';\n\t\t}\n\t}, {\n\t\tkey: 'next',\n\t\tvalue: function next() {\n\t\t\t// Check the state and find the next match as a side-effect if necessary.\n\t\t\tif (!this.hasNext()) {\n\t\t\t\tthrow new Error('No next element');\n\t\t\t}\n\n\t\t\t// Don't retain that memory any longer than necessary.\n\t\t\tvar result = this.last_match;\n\t\t\tthis.last_match = null;\n\t\t\tthis.state = 'NOT_READY';\n\t\t\treturn result;\n\t\t}\n\t}]);\n\n\treturn PhoneNumberSearch;\n}();\n//# sourceMappingURL=findPhoneNumbers_.js.map\n// CONCATENATED MODULE: ./node_modules/libphonenumber-js/es6/findPhoneNumbers.js\n// This is a legacy function.\n// Use `findNumbers()` instead.\n\n\n\n\nfunction findPhoneNumbers_findPhoneNumbers() {\n\tvar _normalizeArguments = normalizeArguments(arguments),\n\t text = _normalizeArguments.text,\n\t options = _normalizeArguments.options,\n\t metadata = _normalizeArguments.metadata;\n\n\treturn findPhoneNumbers(text, options, metadata);\n}\n\n/**\r\n * @return ES6 `for ... of` iterator.\r\n */\nfunction findPhoneNumbers_searchPhoneNumbers() {\n\tvar _normalizeArguments2 = normalizeArguments(arguments),\n\t text = _normalizeArguments2.text,\n\t options = _normalizeArguments2.options,\n\t metadata = _normalizeArguments2.metadata;\n\n\treturn searchPhoneNumbers(text, options, metadata);\n}\n//# sourceMappingURL=findPhoneNumbers.js.map\n// CONCATENATED MODULE: ./node_modules/libphonenumber-js/es6/findNumbers/Leniency.js\n\n\n\n\n\n/**\r\n * Leniency when finding potential phone numbers in text segments\r\n * The levels here are ordered in increasing strictness.\r\n */\n/* harmony default export */ var Leniency = ({\n /**\r\n * Phone numbers accepted are \"possible\", but not necessarily \"valid\".\r\n */\n POSSIBLE: function POSSIBLE(number, candidate, metadata) {\n return true;\n },\n\n\n /**\r\n * Phone numbers accepted are \"possible\" and \"valid\".\r\n * Numbers written in national format must have their national-prefix\r\n * present if it is usually written for a number of this type.\r\n */\n VALID: function VALID(number, candidate, metadata) {\n if (!isValidNumber(number, undefined, metadata) || !containsOnlyValidXChars(number, candidate.toString(), metadata)) {\n return false;\n }\n\n // Skipped for simplicity.\n // return isNationalPrefixPresentIfRequired(number, metadata)\n return true;\n },\n\n\n /**\r\n * Phone numbers accepted are \"valid\" and\r\n * are grouped in a possible way for this locale. For example, a US number written as\r\n * \"65 02 53 00 00\" and \"650253 0000\" are not accepted at this leniency level, whereas\r\n * \"650 253 0000\", \"650 2530000\" or \"6502530000\" are.\r\n * Numbers with more than one '/' symbol in the national significant number\r\n * are also dropped at this level.\r\n *\r\n * Warning: This level might result in lower coverage especially for regions outside of\r\n * country code \"+1\". If you are not sure about which level to use,\r\n * email the discussion group libphonenumber-discuss@googlegroups.com.\r\n */\n STRICT_GROUPING: function STRICT_GROUPING(number, candidate, metadata) {\n var candidateString = candidate.toString();\n\n if (!isValidNumber(number, undefined, metadata) || !containsOnlyValidXChars(number, candidateString, metadata) || containsMoreThanOneSlashInNationalNumber(number, candidateString) || !isNationalPrefixPresentIfRequired(number, metadata)) {\n return false;\n }\n\n return checkNumberGroupingIsValid(number, candidate, metadata, allNumberGroupsRemainGrouped);\n },\n\n\n /**\r\n * Phone numbers accepted are {@linkplain PhoneNumberUtil#isValidNumber(PhoneNumber) valid} and\r\n * are grouped in the same way that we would have formatted it, or as a single block. For\r\n * example, a US number written as \"650 2530000\" is not accepted at this leniency level, whereas\r\n * \"650 253 0000\" or \"6502530000\" are.\r\n * Numbers with more than one '/' symbol are also dropped at this level.\r\n *
\r\n * Warning: This level might result in lower coverage especially for regions outside of country\r\n * code \"+1\". If you are not sure about which level to use, email the discussion group\r\n * libphonenumber-discuss@googlegroups.com.\r\n */\n EXACT_GROUPING: function EXACT_GROUPING(number, candidate, metadata) {\n var candidateString = candidate.toString();\n\n if (!isValidNumber(number, undefined, metadata) || !containsOnlyValidXChars(number, candidateString, metadata) || containsMoreThanOneSlashInNationalNumber(number, candidateString) || !isNationalPrefixPresentIfRequired(number, metadata)) {\n return false;\n }\n\n return checkNumberGroupingIsValid(number, candidate, metadata, allNumberGroupsAreExactlyPresent);\n }\n});\n\nfunction containsOnlyValidXChars(number, candidate, metadata) {\n // The characters 'x' and 'X' can be (1) a carrier code, in which case they always precede the\n // national significant number or (2) an extension sign, in which case they always precede the\n // extension number. We assume a carrier code is more than 1 digit, so the first case has to\n // have more than 1 consecutive 'x' or 'X', whereas the second case can only have exactly 1 'x'\n // or 'X'. We ignore the character if it appears as the last character of the string.\n for (var index = 0; index < candidate.length - 1; index++) {\n var charAtIndex = candidate.charAt(index);\n\n if (charAtIndex === 'x' || charAtIndex === 'X') {\n var charAtNextIndex = candidate.charAt(index + 1);\n\n if (charAtNextIndex === 'x' || charAtNextIndex === 'X') {\n // This is the carrier code case, in which the 'X's always precede the national\n // significant number.\n index++;\n if (util.isNumberMatch(number, candidate.substring(index)) != MatchType.NSN_MATCH) {\n return false;\n }\n // This is the extension sign case, in which the 'x' or 'X' should always precede the\n // extension number.\n } else if (parseDigits(candidate.substring(index)) !== number.ext) {\n return false;\n }\n }\n }\n\n return true;\n}\n\nfunction isNationalPrefixPresentIfRequired(number, _metadata) {\n // First, check how we deduced the country code. If it was written in international format, then\n // the national prefix is not required.\n if (number.getCountryCodeSource() != 'FROM_DEFAULT_COUNTRY') {\n return true;\n }\n\n var phoneNumberRegion = util.getRegionCodeForCountryCode(number.getCountryCode());\n\n var metadata = util.getMetadataForRegion(phoneNumberRegion);\n if (metadata == null) {\n return true;\n }\n\n // Check if a national prefix should be present when formatting this number.\n var nationalNumber = util.getNationalSignificantNumber(number);\n var formatRule = util.chooseFormattingPatternForNumber(metadata.numberFormats(), nationalNumber);\n\n // To do this, we check that a national prefix formatting rule was present\n // and that it wasn't just the first-group symbol ($1) with punctuation.\n if (formatRule && formatRule.getNationalPrefixFormattingRule().length > 0) {\n if (formatRule.getNationalPrefixOptionalWhenFormatting()) {\n // The national-prefix is optional in these cases, so we don't need to check if it was\n // present.\n return true;\n }\n\n if (PhoneNumberUtil.formattingRuleHasFirstGroupOnly(formatRule.getNationalPrefixFormattingRule())) {\n // National Prefix not needed for this number.\n return true;\n }\n\n // Normalize the remainder.\n var rawInputCopy = PhoneNumberUtil.normalizeDigitsOnly(number.getRawInput());\n\n // Check if we found a national prefix and/or carrier code at the start of the raw input, and\n // return the result.\n return util.maybeStripNationalPrefixAndCarrierCode(rawInputCopy, metadata, null);\n }\n\n return true;\n}\n\nfunction containsMoreThanOneSlashInNationalNumber(number, candidate) {\n var firstSlashInBodyIndex = candidate.indexOf('/');\n if (firstSlashInBodyIndex < 0) {\n // No slashes, this is okay.\n return false;\n }\n\n // Now look for a second one.\n var secondSlashInBodyIndex = candidate.indexOf('/', firstSlashInBodyIndex + 1);\n if (secondSlashInBodyIndex < 0) {\n // Only one slash, this is okay.\n return false;\n }\n\n // If the first slash is after the country calling code, this is permitted.\n var candidateHasCountryCode = number.getCountryCodeSource() === CountryCodeSource.FROM_NUMBER_WITH_PLUS_SIGN || number.getCountryCodeSource() === CountryCodeSource.FROM_NUMBER_WITHOUT_PLUS_SIGN;\n\n if (candidateHasCountryCode && PhoneNumberUtil.normalizeDigitsOnly(candidate.substring(0, firstSlashInBodyIndex)) === String(number.getCountryCode())) {\n // Any more slashes and this is illegal.\n return candidate.slice(secondSlashInBodyIndex + 1).indexOf('/') >= 0;\n }\n\n return true;\n}\n\nfunction checkNumberGroupingIsValid(number, candidate, metadata, checkGroups) {\n // TODO: Evaluate how this works for other locales (testing has been limited to NANPA regions)\n // and optimise if necessary.\n var normalizedCandidate = normalizeDigits(candidate, true /* keep non-digits */);\n var formattedNumberGroups = getNationalNumberGroups(metadata, number, null);\n if (checkGroups(metadata, number, normalizedCandidate, formattedNumberGroups)) {\n return true;\n }\n\n // If this didn't pass, see if there are any alternate formats, and try them instead.\n var alternateFormats = MetadataManager.getAlternateFormatsForCountry(number.getCountryCode());\n\n if (alternateFormats) {\n for (var _iterator = alternateFormats.numberFormats(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {\n var _ref;\n\n if (_isArray) {\n if (_i >= _iterator.length) break;\n _ref = _iterator[_i++];\n } else {\n _i = _iterator.next();\n if (_i.done) break;\n _ref = _i.value;\n }\n\n var alternateFormat = _ref;\n\n formattedNumberGroups = getNationalNumberGroups(metadata, number, alternateFormat);\n\n if (checkGroups(metadata, number, normalizedCandidate, formattedNumberGroups)) {\n return true;\n }\n }\n }\n\n return false;\n}\n\n/**\r\n * Helper method to get the national-number part of a number, formatted without any national\r\n * prefix, and return it as a set of digit blocks that would be formatted together.\r\n */\nfunction getNationalNumberGroups(metadata, number, formattingPattern) {\n if (formattingPattern) {\n // We format the NSN only, and split that according to the separator.\n var nationalSignificantNumber = util.getNationalSignificantNumber(number);\n return util.formatNsnUsingPattern(nationalSignificantNumber, formattingPattern, 'RFC3966', metadata).split('-');\n }\n\n // This will be in the format +CC-DG;ext=EXT where DG represents groups of digits.\n var rfc3966Format = formatNumber(number, 'RFC3966', metadata);\n\n // We remove the extension part from the formatted string before splitting it into different\n // groups.\n var endIndex = rfc3966Format.indexOf(';');\n if (endIndex < 0) {\n endIndex = rfc3966Format.length;\n }\n\n // The country-code will have a '-' following it.\n var startIndex = rfc3966Format.indexOf('-') + 1;\n return rfc3966Format.slice(startIndex, endIndex).split('-');\n}\n\nfunction allNumberGroupsAreExactlyPresent(metadata, number, normalizedCandidate, formattedNumberGroups) {\n var candidateGroups = normalizedCandidate.split(NON_DIGITS_PATTERN);\n\n // Set this to the last group, skipping it if the number has an extension.\n var candidateNumberGroupIndex = number.hasExtension() ? candidateGroups.length - 2 : candidateGroups.length - 1;\n\n // First we check if the national significant number is formatted as a block.\n // We use contains and not equals, since the national significant number may be present with\n // a prefix such as a national number prefix, or the country code itself.\n if (candidateGroups.length == 1 || candidateGroups[candidateNumberGroupIndex].contains(util.getNationalSignificantNumber(number))) {\n return true;\n }\n\n // Starting from the end, go through in reverse, excluding the first group, and check the\n // candidate and number groups are the same.\n var formattedNumberGroupIndex = formattedNumberGroups.length - 1;\n while (formattedNumberGroupIndex > 0 && candidateNumberGroupIndex >= 0) {\n if (candidateGroups[candidateNumberGroupIndex] !== formattedNumberGroups[formattedNumberGroupIndex]) {\n return false;\n }\n formattedNumberGroupIndex--;\n candidateNumberGroupIndex--;\n }\n\n // Now check the first group. There may be a national prefix at the start, so we only check\n // that the candidate group ends with the formatted number group.\n return candidateNumberGroupIndex >= 0 && endsWith(candidateGroups[candidateNumberGroupIndex], formattedNumberGroups[0]);\n}\n\nfunction allNumberGroupsRemainGrouped(metadata, number, normalizedCandidate, formattedNumberGroups) {\n var fromIndex = 0;\n if (number.getCountryCodeSource() !== CountryCodeSource.FROM_DEFAULT_COUNTRY) {\n // First skip the country code if the normalized candidate contained it.\n var countryCode = String(number.getCountryCode());\n fromIndex = normalizedCandidate.indexOf(countryCode) + countryCode.length();\n }\n\n // Check each group of consecutive digits are not broken into separate groupings in the\n // {@code normalizedCandidate} string.\n for (var i = 0; i < formattedNumberGroups.length; i++) {\n // Fails if the substring of {@code normalizedCandidate} starting from {@code fromIndex}\n // doesn't contain the consecutive digits in formattedNumberGroups[i].\n fromIndex = normalizedCandidate.indexOf(formattedNumberGroups[i], fromIndex);\n if (fromIndex < 0) {\n return false;\n }\n // Moves {@code fromIndex} forward.\n fromIndex += formattedNumberGroups[i].length();\n if (i == 0 && fromIndex < normalizedCandidate.length()) {\n // We are at the position right after the NDC. We get the region used for formatting\n // information based on the country code in the phone number, rather than the number itself,\n // as we do not need to distinguish between different countries with the same country\n // calling code and this is faster.\n var region = util.getRegionCodeForCountryCode(number.getCountryCode());\n if (util.getNddPrefixForRegion(region, true) != null && Character.isDigit(normalizedCandidate.charAt(fromIndex))) {\n // This means there is no formatting symbol after the NDC. In this case, we only\n // accept the number if there is no formatting symbol at all in the number, except\n // for extensions. This is only important for countries with national prefixes.\n var nationalSignificantNumber = util.getNationalSignificantNumber(number);\n return startsWith(normalizedCandidate.slice(fromIndex - formattedNumberGroups[i].length), nationalSignificantNumber);\n }\n }\n }\n\n // The check here makes sure that we haven't mistakenly already used the extension to\n // match the last group of the subscriber number. Note the extension cannot have\n // formatting in-between digits.\n return normalizedCandidate.slice(fromIndex).contains(number.getExtension());\n}\n//# sourceMappingURL=Leniency.js.map\n// CONCATENATED MODULE: ./node_modules/libphonenumber-js/es6/PhoneNumberMatcher.js\nvar PhoneNumberMatcher_extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };\n\nvar PhoneNumberMatcher_createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction PhoneNumberMatcher_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n/**\r\n * A port of Google's `PhoneNumberMatcher.java`.\r\n * https://github.com/googlei18n/libphonenumber/blob/master/java/libphonenumber/src/com/google/i18n/phonenumbers/PhoneNumberMatcher.java\r\n * Date: 08.03.2018.\r\n */\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n/**\r\n * Patterns used to extract phone numbers from a larger phone-number-like pattern. These are\r\n * ordered according to specificity. For example, white-space is last since that is frequently\r\n * used in numbers, not just to separate two numbers. We have separate patterns since we don't\r\n * want to break up the phone-number-like text on more than one different kind of symbol at one\r\n * time, although symbols of the same type (e.g. space) can be safely grouped together.\r\n *\r\n * Note that if there is a match, we will always check any text found up to the first match as\r\n * well.\r\n */\nvar INNER_MATCHES = [\n// Breaks on the slash - e.g. \"651-234-2345/332-445-1234\"\n'\\\\/+(.*)/',\n\n// Note that the bracket here is inside the capturing group, since we consider it part of the\n// phone number. Will match a pattern like \"(650) 223 3345 (754) 223 3321\".\n'(\\\\([^(]*)',\n\n// Breaks on a hyphen - e.g. \"12345 - 332-445-1234 is my number.\"\n// We require a space on either side of the hyphen for it to be considered a separator.\n'(?:' + pZ + '-|-' + pZ + ')' + pZ + '*(.+)',\n\n// Various types of wide hyphens. Note we have decided not to enforce a space here, since it's\n// possible that it's supposed to be used to break two numbers without spaces, and we haven't\n// seen many instances of it used within a number.\n'[\\u2012-\\u2015\\uFF0D]' + pZ + '*(.+)',\n\n// Breaks on a full stop - e.g. \"12345. 332-445-1234 is my number.\"\n'\\\\.+' + pZ + '*([^.]+)',\n\n// Breaks on space - e.g. \"3324451234 8002341234\"\npZ + '+(' + PZ + '+)'];\n\n// Limit on the number of leading (plus) characters.\nvar leadLimit = limit(0, 2);\n\n// Limit on the number of consecutive punctuation characters.\nvar punctuationLimit = limit(0, 4);\n\n/* The maximum number of digits allowed in a digit-separated block. As we allow all digits in a\r\n * single block, set high enough to accommodate the entire national number and the international\r\n * country code. */\nvar digitBlockLimit = MAX_LENGTH_FOR_NSN + MAX_LENGTH_COUNTRY_CODE;\n\n// Limit on the number of blocks separated by punctuation.\n// Uses digitBlockLimit since some formats use spaces to separate each digit.\nvar blockLimit = limit(0, digitBlockLimit);\n\n/* A punctuation sequence allowing white space. */\nvar punctuation = '[' + VALID_PUNCTUATION + ']' + punctuationLimit;\n\n// A digits block without punctuation.\nvar digitSequence = pNd + limit(1, digitBlockLimit);\n\n/**\r\n * Phone number pattern allowing optional punctuation.\r\n * The phone number pattern used by `find()`, similar to\r\n * VALID_PHONE_NUMBER, but with the following differences:\r\n *
Vanity numbers (phone numbers using alphabetic digits such as 1-800-SIX-FLAGS are\r\n * not found.\r\n *\r\n *
This class is not thread-safe.\r\n */\n\nvar PhoneNumberMatcher_PhoneNumberMatcher = function () {\n\n /**\r\n * Creates a new instance. See the factory methods in {@link PhoneNumberUtil} on how to obtain a\r\n * new instance.\r\n *\r\n * @param util the phone number util to use\r\n * @param text the character sequence that we will search, null for no text\r\n * @param country the country to assume for phone numbers not written in international format\r\n * (with a leading plus, or with the international dialing prefix of the specified region).\r\n * May be null or \"ZZ\" if only numbers with a leading plus should be\r\n * considered.\r\n * @param leniency the leniency to use when evaluating candidate phone numbers\r\n * @param maxTries the maximum number of invalid numbers to try before giving up on the text.\r\n * This is to cover degenerate cases where the text has a lot of false positives in it. Must\r\n * be {@code >= 0}.\r\n */\n\n /** The iteration tristate. */\n function PhoneNumberMatcher() {\n var text = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var metadata = arguments[2];\n\n PhoneNumberMatcher_classCallCheck(this, PhoneNumberMatcher);\n\n this.state = 'NOT_READY';\n this.searchIndex = 0;\n\n options = PhoneNumberMatcher_extends({}, options, {\n defaultCountry: options.defaultCountry && isSupportedCountry(options.defaultCountry, metadata) ? options.defaultCountry : undefined,\n leniency: options.leniency || options.extended ? 'POSSIBLE' : 'VALID',\n maxTries: options.maxTries || MAX_SAFE_INTEGER\n });\n\n if (!options.leniency) {\n throw new TypeError('`Leniency` not supplied');\n }\n\n if (options.maxTries < 0) {\n throw new TypeError('`maxTries` not supplied');\n }\n\n this.text = text;\n this.options = options;\n this.metadata = metadata;\n\n /** The degree of validation requested. */\n this.leniency = Leniency[options.leniency];\n\n if (!this.leniency) {\n throw new TypeError('Unknown leniency: ' + options.leniency + '.');\n }\n\n /** The maximum number of retries after matching an invalid number. */\n this.maxTries = options.maxTries;\n\n this.PATTERN = new RegExp(PATTERN, 'ig');\n }\n\n /**\r\n * Attempts to find the next subsequence in the searched sequence on or after {@code searchIndex}\r\n * that represents a phone number. Returns the next match, null if none was found.\r\n *\r\n * @param index the search index to start searching at\r\n * @return the phone number match found, null if none can be found\r\n */\n\n\n /** The next index to start searching at. Undefined in {@link State#DONE}. */\n\n\n PhoneNumberMatcher_createClass(PhoneNumberMatcher, [{\n key: 'find',\n value: function find() // (index)\n {\n // // Reset the regular expression.\n // this.PATTERN.lastIndex = index\n\n var matches = void 0;\n while (this.maxTries > 0 && (matches = this.PATTERN.exec(this.text)) !== null) {\n var candidate = matches[0];\n var offset = matches.index;\n\n candidate = parsePreCandidate(candidate);\n\n if (isValidPreCandidate(candidate, offset, this.text)) {\n var match =\n // Try to come up with a valid match given the entire candidate.\n this.parseAndVerify(candidate, offset, this.text)\n // If that failed, try to find an \"inner match\" -\n // there might be a phone number within this candidate.\n || this.extractInnerMatch(candidate, offset, this.text);\n\n if (match) {\n if (this.options.v2) {\n var phoneNumber = new es6_PhoneNumber(match.country, match.phone, this.metadata);\n if (match.ext) {\n phoneNumber.ext = match.ext;\n }\n return {\n startsAt: match.startsAt,\n endsAt: match.endsAt,\n number: phoneNumber\n };\n }\n return match;\n }\n }\n\n this.maxTries--;\n }\n }\n\n /**\r\n * Attempts to extract a match from `candidate`\r\n * if the whole candidate does not qualify as a match.\r\n */\n\n }, {\n key: 'extractInnerMatch',\n value: function extractInnerMatch(candidate, offset, text) {\n for (var _iterator = INNER_MATCHES, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {\n var _ref;\n\n if (_isArray) {\n if (_i >= _iterator.length) break;\n _ref = _iterator[_i++];\n } else {\n _i = _iterator.next();\n if (_i.done) break;\n _ref = _i.value;\n }\n\n var innerMatchPattern = _ref;\n\n var isFirstMatch = true;\n var matches = void 0;\n var possibleInnerMatch = new RegExp(innerMatchPattern, 'g');\n while ((matches = possibleInnerMatch.exec(candidate)) !== null && this.maxTries > 0) {\n if (isFirstMatch) {\n // We should handle any group before this one too.\n var _group = trimAfterFirstMatch(UNWANTED_END_CHAR_PATTERN, candidate.slice(0, matches.index));\n\n var _match = this.parseAndVerify(_group, offset, text);\n if (_match) {\n return _match;\n }\n\n this.maxTries--;\n isFirstMatch = false;\n }\n\n var group = trimAfterFirstMatch(UNWANTED_END_CHAR_PATTERN, matches[1]);\n\n // Java code does `groupMatcher.start(1)` here,\n // but there's no way in javascript to get a group match start index,\n // therefore using the overall match start index `matches.index`.\n var match = this.parseAndVerify(group, offset + matches.index, text);\n if (match) {\n return match;\n }\n\n this.maxTries--;\n }\n }\n }\n\n /**\r\n * Parses a phone number from the `candidate` using `parseNumber` and\r\n * verifies it matches the requested `leniency`. If parsing and verification succeed,\r\n * a corresponding `PhoneNumberMatch` is returned, otherwise this method returns `null`.\r\n *\r\n * @param candidate the candidate match\r\n * @param offset the offset of {@code candidate} within {@link #text}\r\n * @return the parsed and validated phone number match, or null\r\n */\n\n }, {\n key: 'parseAndVerify',\n value: function parseAndVerify(candidate, offset, text) {\n if (!isValidCandidate(candidate, offset, text, this.options.leniency)) {\n return;\n }\n\n var number = parse(candidate, {\n extended: true,\n defaultCountry: this.options.defaultCountry\n }, this.metadata);\n\n if (!number.possible) {\n return;\n }\n\n if (this.leniency(number, candidate, this.metadata)) {\n // // We used parseAndKeepRawInput to create this number,\n // // but for now we don't return the extra values parsed.\n // // TODO: stop clearing all values here and switch all users over\n // // to using rawInput() rather than the rawString() of PhoneNumberMatch.\n // number.clearCountryCodeSource()\n // number.clearRawInput()\n // number.clearPreferredDomesticCarrierCode()\n\n var result = {\n startsAt: offset,\n endsAt: offset + candidate.length,\n country: number.country,\n phone: number.phone\n };\n\n if (number.ext) {\n result.ext = number.ext;\n }\n\n return result;\n }\n }\n }, {\n key: 'hasNext',\n value: function hasNext() {\n if (this.state === 'NOT_READY') {\n this.lastMatch = this.find(); // (this.searchIndex)\n\n if (this.lastMatch) {\n // this.searchIndex = this.lastMatch.endsAt\n this.state = 'READY';\n } else {\n this.state = 'DONE';\n }\n }\n\n return this.state === 'READY';\n }\n }, {\n key: 'next',\n value: function next() {\n // Check the state and find the next match as a side-effect if necessary.\n if (!this.hasNext()) {\n throw new Error('No next element');\n }\n\n // Don't retain that memory any longer than necessary.\n var result = this.lastMatch;\n this.lastMatch = null;\n this.state = 'NOT_READY';\n return result;\n }\n }]);\n\n return PhoneNumberMatcher;\n}();\n\n/* harmony default export */ var es6_PhoneNumberMatcher = (PhoneNumberMatcher_PhoneNumberMatcher);\n//# sourceMappingURL=PhoneNumberMatcher.js.map\n// CONCATENATED MODULE: ./node_modules/libphonenumber-js/es6/findNumbers_.js\n\n\nfunction findNumbers(text, options, metadata) {\n\tvar matcher = new es6_PhoneNumberMatcher(text, options, metadata);\n\tvar results = [];\n\twhile (matcher.hasNext()) {\n\t\tresults.push(matcher.next());\n\t}\n\treturn results;\n}\n//# sourceMappingURL=findNumbers_.js.map\n// CONCATENATED MODULE: ./node_modules/libphonenumber-js/es6/findNumbers.js\n\n\n\nfunction findNumbers_findNumbers() {\n\tvar _normalizeArguments = normalizeArguments(arguments),\n\t text = _normalizeArguments.text,\n\t options = _normalizeArguments.options,\n\t metadata = _normalizeArguments.metadata;\n\n\treturn findNumbers(text, options, metadata);\n}\n//# sourceMappingURL=findNumbers.js.map\n// CONCATENATED MODULE: ./node_modules/libphonenumber-js/es6/searchNumbers.js\nfunction searchNumbers_defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\n\n\n\n/**\r\n * @return ES6 `for ... of` iterator.\r\n */\nfunction searchNumbers() {\n\tvar _normalizeArguments = normalizeArguments(arguments),\n\t text = _normalizeArguments.text,\n\t options = _normalizeArguments.options,\n\t metadata = _normalizeArguments.metadata;\n\n\tvar matcher = new es6_PhoneNumberMatcher(text, options, metadata);\n\n\treturn searchNumbers_defineProperty({}, Symbol.iterator, function () {\n\t\treturn {\n\t\t\tnext: function next() {\n\t\t\t\tif (matcher.hasNext()) {\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdone: false,\n\t\t\t\t\t\tvalue: matcher.next()\n\t\t\t\t\t};\n\t\t\t\t}\n\t\t\t\treturn {\n\t\t\t\t\tdone: true\n\t\t\t\t};\n\t\t\t}\n\t\t};\n\t});\n}\n//# sourceMappingURL=searchNumbers.js.map\n// CONCATENATED MODULE: ./node_modules/libphonenumber-js/es6/AsYouType.js\nvar AsYouType_createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction AsYouType_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n// This is an enhanced port of Google Android `libphonenumber`'s\n// `asyoutypeformatter.js` of December 31th, 2018.\n//\n// https://github.com/googlei18n/libphonenumber/blob/8d21a365061de2ba0675c878a710a7b24f74d2ae/javascript/i18n/phonenumbers/asyoutypeformatter.js\n//\n// Simplified: does not differentiate between \"local-only\" numbers\n// and \"internationally dialable\" numbers.\n// For example, doesn't include changes like this:\n// https://github.com/googlei18n/libphonenumber/commit/865da605da12b01053c4f053310bac7c5fbb7935\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n// Used in phone number format template creation.\n// Could be any digit, I guess.\nvar DUMMY_DIGIT = '9';\n// I don't know why is it exactly `15`\nvar LONGEST_NATIONAL_PHONE_NUMBER_LENGTH = 15;\n// Create a phone number consisting only of the digit 9 that matches the\n// `number_pattern` by applying the pattern to the \"longest phone number\" string.\nvar LONGEST_DUMMY_PHONE_NUMBER = repeat(DUMMY_DIGIT, LONGEST_NATIONAL_PHONE_NUMBER_LENGTH);\n\n// The digits that have not been entered yet will be represented by a \\u2008,\n// the punctuation space.\nvar DIGIT_PLACEHOLDER = 'x'; // '\\u2008' (punctuation space)\nvar DIGIT_PLACEHOLDER_MATCHER = new RegExp(DIGIT_PLACEHOLDER);\n\n// Deprecated: Google has removed some formatting pattern related code from their repo.\n// https://github.com/googlei18n/libphonenumber/commit/a395b4fef3caf57c4bc5f082e1152a4d2bd0ba4c\n// Because this library supports generating custom metadata\n// some users may still be using old metadata so the relevant\n// code seems to stay until some next major version update.\nvar SUPPORT_LEGACY_FORMATTING_PATTERNS = true;\n\n// A pattern that is used to match character classes in regular expressions.\n// An example of a character class is \"[1-4]\".\nvar CREATE_CHARACTER_CLASS_PATTERN = SUPPORT_LEGACY_FORMATTING_PATTERNS && function () {\n\treturn (/\\[([^\\[\\]])*\\]/g\n\t);\n};\n\n// Any digit in a regular expression that actually denotes a digit. For\n// example, in the regular expression \"80[0-2]\\d{6,10}\", the first 2 digits\n// (8 and 0) are standalone digits, but the rest are not.\n// Two look-aheads are needed because the number following \\\\d could be a\n// two-digit number, since the phone number can be as long as 15 digits.\nvar CREATE_STANDALONE_DIGIT_PATTERN = SUPPORT_LEGACY_FORMATTING_PATTERNS && function () {\n\treturn (/\\d(?=[^,}][^,}])/g\n\t);\n};\n\n// A pattern that is used to determine if a `format` is eligible\n// to be used by the \"as you type formatter\".\n// It is eligible when the `format` contains groups of the dollar sign\n// followed by a single digit, separated by valid phone number punctuation.\n// This prevents invalid punctuation (such as the star sign in Israeli star numbers)\n// getting into the output of the \"as you type formatter\".\nvar ELIGIBLE_FORMAT_PATTERN = new RegExp('^' + '[' + VALID_PUNCTUATION + ']*' + '(\\\\$\\\\d[' + VALID_PUNCTUATION + ']*)+' + '$');\n\n// This is the minimum length of the leading digits of a phone number\n// to guarantee the first \"leading digits pattern\" for a phone number format\n// to be preemptive.\nvar MIN_LEADING_DIGITS_LENGTH = 3;\n\nvar VALID_INCOMPLETE_PHONE_NUMBER = '[' + PLUS_CHARS + ']{0,1}' + '[' + VALID_PUNCTUATION + VALID_DIGITS + ']*';\n\nvar VALID_INCOMPLETE_PHONE_NUMBER_PATTERN = new RegExp('^' + VALID_INCOMPLETE_PHONE_NUMBER + '$', 'i');\n\nvar AsYouType_AsYouType = function () {\n\n\t/**\r\n * @param {string?} [defaultCountry] - The default country used for parsing non-international phone numbers.\r\n * @param {Object} metadata\r\n */\n\tfunction AsYouType(defaultCountry, metadata) {\n\t\tAsYouType_classCallCheck(this, AsYouType);\n\n\t\tthis.options = {};\n\n\t\tthis.metadata = new es6_metadata(metadata);\n\n\t\tif (defaultCountry && this.metadata.hasCountry(defaultCountry)) {\n\t\t\tthis.defaultCountry = defaultCountry;\n\t\t}\n\n\t\tthis.reset();\n\t}\n\t// Not setting `options` to a constructor argument\n\t// not to break backwards compatibility\n\t// for older versions of the library.\n\n\n\tAsYouType_createClass(AsYouType, [{\n\t\tkey: 'input',\n\t\tvalue: function input(text) {\n\t\t\t// Parse input\n\n\t\t\tvar extracted_number = extract_formatted_phone_number(text) || '';\n\n\t\t\t// Special case for a lone '+' sign\n\t\t\t// since it's not considered a possible phone number.\n\t\t\tif (!extracted_number) {\n\t\t\t\tif (text && text.indexOf('+') >= 0) {\n\t\t\t\t\textracted_number = '+';\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Validate possible first part of a phone number\n\t\t\tif (!VALID_INCOMPLETE_PHONE_NUMBER_PATTERN.test(extracted_number)) {\n\t\t\t\treturn this.currentOutput;\n\t\t\t}\n\n\t\t\treturn this.processInput(parseIncompletePhoneNumber(extracted_number));\n\t\t}\n\t}, {\n\t\tkey: 'processInput',\n\t\tvalue: function processInput(input) {\n\t\t\t// If an out of position '+' sign detected\n\t\t\t// (or a second '+' sign),\n\t\t\t// then just drop it from the input.\n\t\t\tif (input[0] === '+') {\n\t\t\t\tif (!this.parsedInput) {\n\t\t\t\t\tthis.parsedInput += '+';\n\n\t\t\t\t\t// If a default country was set\n\t\t\t\t\t// then reset it because an explicitly international\n\t\t\t\t\t// phone number is being entered\n\t\t\t\t\tthis.resetCountriness();\n\t\t\t\t}\n\n\t\t\t\tinput = input.slice(1);\n\t\t\t}\n\n\t\t\t// Raw phone number\n\t\t\tthis.parsedInput += input;\n\n\t\t\t// // Reset phone number validation state\n\t\t\t// this.valid = false\n\n\t\t\t// Add digits to the national number\n\t\t\tthis.nationalNumber += input;\n\n\t\t\t// TODO: Deprecated: rename `this.nationalNumber`\n\t\t\t// to `this.nationalNumber` and remove `.getNationalNumber()`.\n\n\t\t\t// Try to format the parsed input\n\n\t\t\tif (this.isInternational()) {\n\t\t\t\tif (!this.countryCallingCode) {\n\t\t\t\t\t// Extract country calling code from the digits entered so far.\n\n\t\t\t\t\t// There must be some digits in order to extract anything from them.\n\t\t\t\t\tif (!this.nationalNumber) {\n\t\t\t\t\t\t// Return raw phone number\n\t\t\t\t\t\treturn this.parsedInput;\n\t\t\t\t\t}\n\n\t\t\t\t\t// If one looks at country phone codes\n\t\t\t\t\t// then he can notice that no one country phone code\n\t\t\t\t\t// is ever a (leftmost) substring of another country phone code.\n\t\t\t\t\t// So if a valid country code is extracted so far\n\t\t\t\t\t// then it means that this is the country code.\n\n\t\t\t\t\t// If no country phone code could be extracted so far,\n\t\t\t\t\t// then just return the raw phone number,\n\t\t\t\t\t// because it has no way of knowing\n\t\t\t\t\t// how to format the phone number so far.\n\t\t\t\t\tif (!this.extractCountryCallingCode()) {\n\t\t\t\t\t\t// Return raw phone number\n\t\t\t\t\t\treturn this.parsedInput;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Initialize country-specific data\n\t\t\t\t\tthis.initialize_phone_number_formats_for_this_country_calling_code();\n\t\t\t\t\tthis.resetFormat();\n\t\t\t\t\tthis.determineTheCountry();\n\t\t\t\t}\n\t\t\t\t// `this.country` could be `undefined`,\n\t\t\t\t// for instance, when there is ambiguity\n\t\t\t\t// in a form of several different countries\n\t\t\t\t// each corresponding to the same country phone code\n\t\t\t\t// (e.g. NANPA: USA, Canada, etc),\n\t\t\t\t// and there's not enough digits entered\n\t\t\t\t// to reliably determine the country\n\t\t\t\t// the phone number belongs to.\n\t\t\t\t// Therefore, in cases of such ambiguity,\n\t\t\t\t// each time something is input,\n\t\t\t\t// try to determine the country\n\t\t\t\t// (if it's not determined yet).\n\t\t\t\telse if (!this.country) {\n\t\t\t\t\t\tthis.determineTheCountry();\n\t\t\t\t\t}\n\t\t\t} else {\n\t\t\t\t// Some national prefixes are substrings of other national prefixes\n\t\t\t\t// (for the same country), therefore try to extract national prefix each time\n\t\t\t\t// because a longer national prefix might be available at some point in time.\n\n\t\t\t\tvar previous_national_prefix = this.nationalPrefix;\n\t\t\t\tthis.nationalNumber = this.nationalPrefix + this.nationalNumber;\n\n\t\t\t\t// Possibly extract a national prefix\n\t\t\t\tthis.extractNationalPrefix();\n\n\t\t\t\tif (this.nationalPrefix !== previous_national_prefix) {\n\t\t\t\t\t// National number has changed\n\t\t\t\t\t// (due to another national prefix been extracted)\n\t\t\t\t\t// therefore national number has changed\n\t\t\t\t\t// therefore reset all previous formatting data.\n\t\t\t\t\t// (and leading digits matching state)\n\t\t\t\t\tthis.matching_formats = undefined;\n\t\t\t\t\tthis.resetFormat();\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// if (!this.shouldFormat())\n\t\t\t// {\n\t\t\t// \treturn this.format_as_non_formatted_number()\n\t\t\t// }\n\n\t\t\tif (!this.nationalNumber) {\n\t\t\t\treturn this.format_as_non_formatted_number();\n\t\t\t}\n\n\t\t\t// Check the available phone number formats\n\t\t\t// based on the currently available leading digits.\n\t\t\tthis.match_formats_by_leading_digits();\n\n\t\t\t// Format the phone number (given the next digits)\n\t\t\tvar formatted_national_phone_number = this.formatNationalNumber(input);\n\n\t\t\t// If the phone number could be formatted,\n\t\t\t// then return it, possibly prepending with country phone code\n\t\t\t// (for international phone numbers only)\n\t\t\tif (formatted_national_phone_number) {\n\t\t\t\treturn this.formatFullNumber(formatted_national_phone_number);\n\t\t\t}\n\n\t\t\t// If the phone number couldn't be formatted,\n\t\t\t// then just fall back to the raw phone number.\n\t\t\treturn this.format_as_non_formatted_number();\n\t\t}\n\t}, {\n\t\tkey: 'format_as_non_formatted_number',\n\t\tvalue: function format_as_non_formatted_number() {\n\t\t\t// Strip national prefix for incorrectly inputted international phones.\n\t\t\tif (this.isInternational() && this.countryCallingCode) {\n\t\t\t\treturn '+' + this.countryCallingCode + this.nationalNumber;\n\t\t\t}\n\n\t\t\treturn this.parsedInput;\n\t\t}\n\t}, {\n\t\tkey: 'formatNationalNumber',\n\t\tvalue: function formatNationalNumber(next_digits) {\n\t\t\t// Format the next phone number digits\n\t\t\t// using the previously chosen phone number format.\n\t\t\t//\n\t\t\t// This is done here because if `attempt_to_format_complete_phone_number`\n\t\t\t// was placed before this call then the `template`\n\t\t\t// wouldn't reflect the situation correctly (and would therefore be inconsistent)\n\t\t\t//\n\t\t\tvar national_number_formatted_with_previous_format = void 0;\n\t\t\tif (this.chosenFormat) {\n\t\t\t\tnational_number_formatted_with_previous_format = this.formatNextNationalNumberDigits(next_digits);\n\t\t\t}\n\n\t\t\t// See if the input digits can be formatted properly already. If not,\n\t\t\t// use the results from formatNextNationalNumberDigits(), which does formatting\n\t\t\t// based on the formatting pattern chosen.\n\n\t\t\tvar formatted_number = this.attempt_to_format_complete_phone_number();\n\n\t\t\t// Just because a phone number doesn't have a suitable format\n\t\t\t// that doesn't mean that the phone is invalid\n\t\t\t// because phone number formats only format phone numbers,\n\t\t\t// they don't validate them and some (rare) phone numbers\n\t\t\t// are meant to stay non-formatted.\n\t\t\tif (formatted_number) {\n\t\t\t\treturn formatted_number;\n\t\t\t}\n\n\t\t\t// For some phone number formats national prefix\n\n\t\t\t// If the previously chosen phone number format\n\t\t\t// didn't match the next (current) digit being input\n\t\t\t// (leading digits pattern didn't match).\n\t\t\tif (this.chooseAnotherFormat()) {\n\t\t\t\t// And a more appropriate phone number format\n\t\t\t\t// has been chosen for these `leading digits`,\n\t\t\t\t// then format the national phone number (so far)\n\t\t\t\t// using the newly selected phone number pattern.\n\n\t\t\t\t// Will return `undefined` if it couldn't format\n\t\t\t\t// the supplied national number\n\t\t\t\t// using the selected phone number pattern.\n\n\t\t\t\treturn this.reformatNationalNumber();\n\t\t\t}\n\n\t\t\t// If could format the next (current) digit\n\t\t\t// using the previously chosen phone number format\n\t\t\t// then return the formatted number so far.\n\n\t\t\t// If no new phone number format could be chosen,\n\t\t\t// and couldn't format the supplied national number\n\t\t\t// using the selected phone number pattern,\n\t\t\t// then it will return `undefined`.\n\n\t\t\treturn national_number_formatted_with_previous_format;\n\t\t}\n\t}, {\n\t\tkey: 'reset',\n\t\tvalue: function reset() {\n\t\t\t// Input stripped of non-phone-number characters.\n\t\t\t// Can only contain a possible leading '+' sign and digits.\n\t\t\tthis.parsedInput = '';\n\n\t\t\tthis.currentOutput = '';\n\n\t\t\t// This contains the national prefix that has been extracted. It contains only\n\t\t\t// digits without formatting.\n\t\t\tthis.nationalPrefix = '';\n\n\t\t\tthis.nationalNumber = '';\n\t\t\tthis.carrierCode = '';\n\n\t\t\tthis.resetCountriness();\n\n\t\t\tthis.resetFormat();\n\n\t\t\treturn this;\n\t\t}\n\t}, {\n\t\tkey: 'resetCountry',\n\t\tvalue: function resetCountry() {\n\t\t\tif (this.isInternational()) {\n\t\t\t\tthis.country = undefined;\n\t\t\t} else {\n\t\t\t\tthis.country = this.defaultCountry;\n\t\t\t}\n\t\t}\n\t}, {\n\t\tkey: 'resetCountriness',\n\t\tvalue: function resetCountriness() {\n\t\t\tthis.resetCountry();\n\n\t\t\tif (this.defaultCountry && !this.isInternational()) {\n\t\t\t\tthis.metadata.country(this.defaultCountry);\n\t\t\t\tthis.countryCallingCode = this.metadata.countryCallingCode();\n\n\t\t\t\tthis.initialize_phone_number_formats_for_this_country_calling_code();\n\t\t\t} else {\n\t\t\t\tthis.metadata.country(undefined);\n\t\t\t\tthis.countryCallingCode = undefined;\n\n\t\t\t\t// \"Available formats\" are all formats available for the country.\n\t\t\t\t// \"Matching formats\" are only formats eligible for the national number being entered.\n\t\t\t\tthis.available_formats = [];\n\t\t\t\tthis.matching_formats = undefined;\n\t\t\t}\n\t\t}\n\t}, {\n\t\tkey: 'resetFormat',\n\t\tvalue: function resetFormat() {\n\t\t\tthis.chosenFormat = undefined;\n\t\t\tthis.template = undefined;\n\t\t\tthis.partially_populated_template = undefined;\n\t\t\tthis.last_match_position = -1;\n\t\t}\n\n\t\t// Format each digit of national phone number (so far)\n\t\t// using the newly selected phone number pattern.\n\n\t}, {\n\t\tkey: 'reformatNationalNumber',\n\t\tvalue: function reformatNationalNumber() {\n\t\t\t// Format each digit of national phone number (so far)\n\t\t\t// using the selected phone number pattern.\n\t\t\treturn this.formatNextNationalNumberDigits(this.nationalNumber);\n\t\t}\n\t}, {\n\t\tkey: 'initialize_phone_number_formats_for_this_country_calling_code',\n\t\tvalue: function initialize_phone_number_formats_for_this_country_calling_code() {\n\t\t\t// Get all \"eligible\" phone number formats for this country\n\t\t\tthis.available_formats = this.metadata.formats().filter(function (format) {\n\t\t\t\treturn ELIGIBLE_FORMAT_PATTERN.test(format.internationalFormat());\n\t\t\t});\n\n\t\t\tthis.matching_formats = undefined;\n\t\t}\n\t}, {\n\t\tkey: 'match_formats_by_leading_digits',\n\t\tvalue: function match_formats_by_leading_digits() {\n\t\t\tvar leading_digits = this.nationalNumber;\n\n\t\t\t// \"leading digits\" pattern list starts with a\n\t\t\t// \"leading digits\" pattern fitting a maximum of 3 leading digits.\n\t\t\t// So, after a user inputs 3 digits of a national (significant) phone number\n\t\t\t// this national (significant) number can already be formatted.\n\t\t\t// The next \"leading digits\" pattern is for 4 leading digits max,\n\t\t\t// and the \"leading digits\" pattern after it is for 5 leading digits max, etc.\n\n\t\t\t// This implementation is different from Google's\n\t\t\t// in that it searches for a fitting format\n\t\t\t// even if the user has entered less than\n\t\t\t// `MIN_LEADING_DIGITS_LENGTH` digits of a national number.\n\t\t\t// Because some leading digits patterns already match for a single first digit.\n\t\t\tvar index_of_leading_digits_pattern = leading_digits.length - MIN_LEADING_DIGITS_LENGTH;\n\t\t\tif (index_of_leading_digits_pattern < 0) {\n\t\t\t\tindex_of_leading_digits_pattern = 0;\n\t\t\t}\n\n\t\t\t// \"Available formats\" are all formats available for the country.\n\t\t\t// \"Matching formats\" are only formats eligible for the national number being entered.\n\n\t\t\t// If at least `MIN_LEADING_DIGITS_LENGTH` digits of a national number are available\n\t\t\t// then format matching starts narrowing down the list of possible formats\n\t\t\t// (only previously matched formats are considered for next digits).\n\t\t\tvar available_formats = this.had_enough_leading_digits && this.matching_formats || this.available_formats;\n\t\t\tthis.had_enough_leading_digits = this.shouldFormat();\n\n\t\t\tthis.matching_formats = available_formats.filter(function (format) {\n\t\t\t\tvar leading_digits_patterns_count = format.leadingDigitsPatterns().length;\n\n\t\t\t\t// If this format is not restricted to a certain\n\t\t\t\t// leading digits pattern then it fits.\n\t\t\t\tif (leading_digits_patterns_count === 0) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\tvar leading_digits_pattern_index = Math.min(index_of_leading_digits_pattern, leading_digits_patterns_count - 1);\n\t\t\t\tvar leading_digits_pattern = format.leadingDigitsPatterns()[leading_digits_pattern_index];\n\n\t\t\t\t// Brackets are required for `^` to be applied to\n\t\t\t\t// all or-ed (`|`) parts, not just the first one.\n\t\t\t\treturn new RegExp('^(' + leading_digits_pattern + ')').test(leading_digits);\n\t\t\t});\n\n\t\t\t// If there was a phone number format chosen\n\t\t\t// and it no longer holds given the new leading digits then reset it.\n\t\t\t// The test for this `if` condition is marked as:\n\t\t\t// \"Reset a chosen format when it no longer holds given the new leading digits\".\n\t\t\t// To construct a valid test case for this one can find a country\n\t\t\t// in `PhoneNumberMetadata.xml` yielding one format for 3 `