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comparison: dom/phonenumberutils/PhoneNumberNormalizer.jsm
dom/phonenumberutils/PhoneNumberNormalizer.jsm
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| 1 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ | |
| 3 | |
| 4 // Don't modify this code. Please use: | |
| 5 // https://github.com/andreasgal/PhoneNumber.js | |
| 6 | |
| 7 "use strict"; | |
| 8 | |
| 9 this.EXPORTED_SYMBOLS = ["PhoneNumberNormalizer"]; | |
| 10 | |
| 11 this.PhoneNumberNormalizer = (function() { | |
| 12 const UNICODE_DIGITS = /[\uFF10-\uFF19\u0660-\u0669\u06F0-\u06F9]/g; | |
| 13 const VALID_ALPHA_PATTERN = /[a-zA-Z]/g; | |
| 14 const LEADING_PLUS_CHARS_PATTERN = /^[+\uFF0B]+/g; | |
| 15 const NON_DIALABLE_CHARS = /[^,#+\*\d]/g; | |
| 16 | |
| 17 // Map letters to numbers according to the ITU E.161 standard | |
| 18 var E161 = { | |
| 19 'a': 2, 'b': 2, 'c': 2, | |
| 20 'd': 3, 'e': 3, 'f': 3, | |
| 21 'g': 4, 'h': 4, 'i': 4, | |
| 22 'j': 5, 'k': 5, 'l': 5, | |
| 23 'm': 6, 'n': 6, 'o': 6, | |
| 24 'p': 7, 'q': 7, 'r': 7, 's': 7, | |
| 25 't': 8, 'u': 8, 'v': 8, | |
| 26 'w': 9, 'x': 9, 'y': 9, 'z': 9 | |
| 27 }; | |
| 28 | |
| 29 // Normalize a number by converting unicode numbers and symbols to their | |
| 30 // ASCII equivalents and removing all non-dialable characters. | |
| 31 function NormalizeNumber(number, numbersOnly) { | |
| 32 if (typeof number !== 'string') { | |
| 33 return ''; | |
| 34 } | |
| 35 | |
| 36 number = number.replace(UNICODE_DIGITS, | |
| 37 function (ch) { | |
| 38 return String.fromCharCode(48 + (ch.charCodeAt(0) & 0xf)); | |
| 39 }); | |
| 40 if (!numbersOnly) { | |
| 41 number = number.replace(VALID_ALPHA_PATTERN, | |
| 42 function (ch) { | |
| 43 return String(E161[ch.toLowerCase()] || 0); | |
| 44 }); | |
| 45 } | |
| 46 number = number.replace(LEADING_PLUS_CHARS_PATTERN, "+"); | |
| 47 number = number.replace(NON_DIALABLE_CHARS, ""); | |
| 48 return number; | |
| 49 }; | |
| 50 | |
| 51 | |
| 52 return { | |
| 53 Normalize: NormalizeNumber | |
| 54 }; | |
| 55 })(); |
