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- {"version":3,"file":"extractPhoneContext.js","names":["VALID_DIGITS","PLUS_SIGN","RFC3966_VISUAL_SEPARATOR_","RFC3966_PHONE_DIGIT_","RFC3966_GLOBAL_NUMBER_DIGITS_","RFC3966_GLOBAL_NUMBER_DIGITS_PATTERN_","RegExp","ALPHANUM_","RFC3966_DOMAINLABEL_","VALID_ALPHA_","RFC3966_TOPLABEL_","RFC3966_DOMAINNAME_","RFC3966_DOMAINNAME_PATTERN_","RFC3966_PREFIX_","RFC3966_PHONE_CONTEXT_","RFC3966_ISDN_SUBADDRESS_","extractPhoneContext","numberToExtractFrom","indexOfPhoneContext","indexOf","phoneContextStart","length","phoneContextEnd","substring","isPhoneContextValid","phoneContext","test"],"sources":["../../source/helpers/extractPhoneContext.js"],"sourcesContent":["// When phone numbers are written in `RFC3966` format — `\"tel:+12133734253\"` —\r\n// they can have their \"calling code\" part written separately in a `phone-context` parameter.\r\n// Example: `\"tel:12133734253;phone-context=+1\"`.\r\n// This function parses the full phone number from the local number and the `phone-context`\r\n// when the `phone-context` contains a `+` sign.\r\n\r\nimport {\r\n VALID_DIGITS,\r\n // PLUS_CHARS\r\n} from '../constants.js'\r\n\r\nexport const PLUS_SIGN = '+'\r\n\r\nconst RFC3966_VISUAL_SEPARATOR_ = '[\\\\-\\\\.\\\\(\\\\)]?'\r\n\r\nconst RFC3966_PHONE_DIGIT_ = '(' + '[' + VALID_DIGITS + ']' + '|' + RFC3966_VISUAL_SEPARATOR_ + ')'\r\n\r\nconst RFC3966_GLOBAL_NUMBER_DIGITS_ =\r\n\t'^' +\r\n\t'\\\\' +\r\n\tPLUS_SIGN +\r\n\tRFC3966_PHONE_DIGIT_ +\r\n\t'*' +\r\n\t'[' + VALID_DIGITS + ']' +\r\n\tRFC3966_PHONE_DIGIT_ +\r\n\t'*' +\r\n\t'$'\r\n\r\n/**\r\n * Regular expression of valid global-number-digits for the phone-context\r\n * parameter, following the syntax defined in RFC3966.\r\n */\r\nconst RFC3966_GLOBAL_NUMBER_DIGITS_PATTERN_ = new RegExp(RFC3966_GLOBAL_NUMBER_DIGITS_, 'g')\r\n\r\n// In this port of Google's library, we don't accept alpha characters in phone numbers.\r\n// const ALPHANUM_ = VALID_ALPHA_ + VALID_DIGITS\r\nconst ALPHANUM_ = VALID_DIGITS\r\n\r\nconst RFC3966_DOMAINLABEL_ = '[' + ALPHANUM_ + ']+((\\\\-)*[' + ALPHANUM_ + '])*'\r\n\r\nconst VALID_ALPHA_ = 'a-zA-Z'\r\nconst RFC3966_TOPLABEL_ = '[' + VALID_ALPHA_ + ']+((\\\\-)*[' + ALPHANUM_ + '])*'\r\n\r\nconst RFC3966_DOMAINNAME_ = '^(' + RFC3966_DOMAINLABEL_ + '\\\\.)*' + RFC3966_TOPLABEL_ + '\\\\.?$'\r\n\r\n/**\r\n * Regular expression of valid domainname for the phone-context parameter,\r\n * following the syntax defined in RFC3966.\r\n */\r\nconst RFC3966_DOMAINNAME_PATTERN_ = new RegExp(RFC3966_DOMAINNAME_, 'g')\r\n\r\nexport const RFC3966_PREFIX_ = 'tel:'\r\nexport const RFC3966_PHONE_CONTEXT_ = ';phone-context='\r\nexport const RFC3966_ISDN_SUBADDRESS_ = ';isub='\r\n\r\n/**\r\n * Extracts the value of the phone-context parameter of `numberToExtractFrom`,\r\n * following the syntax defined in RFC3966.\r\n *\r\n * @param {string} numberToExtractFrom\r\n * @return {string|null} the extracted string (possibly empty), or `null` if no phone-context parameter is found.\r\n */\r\nexport default function extractPhoneContext(numberToExtractFrom) {\r\n\tconst indexOfPhoneContext = numberToExtractFrom.indexOf(RFC3966_PHONE_CONTEXT_)\r\n\t// If no phone-context parameter is present\r\n\tif (indexOfPhoneContext < 0) {\r\n\t\treturn null\r\n\t}\r\n\r\n\tconst phoneContextStart = indexOfPhoneContext + RFC3966_PHONE_CONTEXT_.length\r\n\t// If phone-context parameter is empty\r\n\tif (phoneContextStart >= numberToExtractFrom.length) {\r\n\t\treturn ''\r\n\t}\r\n\r\n\tconst phoneContextEnd = numberToExtractFrom.indexOf(';', phoneContextStart)\r\n\t// If phone-context is not the last parameter\r\n\tif (phoneContextEnd >= 0) {\r\n\t\treturn numberToExtractFrom.substring(phoneContextStart, phoneContextEnd)\r\n\t} else {\r\n\t\treturn numberToExtractFrom.substring(phoneContextStart)\r\n\t}\r\n}\r\n\r\n/**\r\n * Returns whether the value of phoneContext follows the syntax defined in RFC3966.\r\n *\r\n * @param {string|null} phoneContext\r\n * @return {boolean}\r\n */\r\nexport function isPhoneContextValid(phoneContext) {\r\n\tif (phoneContext === null) {\r\n\t\treturn true\r\n\t}\r\n\r\n\tif (phoneContext.length === 0) {\r\n\t\treturn false\r\n\t}\r\n\r\n\t// Does phone-context value match pattern of global-number-digits or domainname.\r\n\treturn RFC3966_GLOBAL_NUMBER_DIGITS_PATTERN_.test(phoneContext) 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