@beenotung/tslib
Version:
utils library in Typescript
110 lines (109 loc) • 4.35 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.is_de_mobile_phone_prefix = is_de_mobile_phone_prefix;
exports.is_de_mobile_phone = is_de_mobile_phone;
exports.to_full_de_mobile_phone = to_full_de_mobile_phone;
exports.format_de_mobile_phone = format_de_mobile_phone;
const utils_1 = require("./utils");
/** ******************************
* Germany mobile phone number *
*********************************/
/**
* Mobile numbers start with 015, 016, or 017
* Format: 0AA BBB BBBB (variable length with leading 0 in local format)
* Reference: https://en.wikipedia.org/wiki/Telephone_numbers_in_Germany
*/
function is_de_mobile_phone_prefix(tel) {
tel = tel.replace(/^\+49/, '').trim();
// Check prefix with leading 0 (local format: 0151 12345678)
if (tel.startsWith('0') && tel.length >= 4) {
const firstThree = tel.substring(0, 3);
// Valid mobile prefixes: 015, 016, 017
return ['015', '016', '017'].includes(firstThree);
}
// Check prefix without leading 0 (internal format: 151 12345678)
// Should start with 15, 16, or 17 (first two digits of mobile prefixes)
if (tel.length >= 2) {
const firstTwo = tel.substring(0, 2);
return ['15', '16', '17'].includes(firstTwo);
}
return false;
}
/**
* with/without +49 prefix
*/
function is_de_mobile_phone(tel) {
return to_full_de_mobile_phone(tel) !== '';
}
/**
* very forgiving
*
* @returns +49xxxxxxxxx if valid (variable length after country code, NO leading 0 in internal format)
* empty string if not valid
*
* Format notes:
* - Local format: 0151 12345678 (variable length WITH leading 0) - used in Germany
* - Internal format: +49 151 12345678 (variable length after +49, NO leading 0)
* - Display format: +49 151 12345678 (formatted by format_de_mobile_phone)
*/
function to_full_de_mobile_phone(tel) {
tel = (0, utils_1.to_tel_digits)(tel);
// Local format: variable length with leading 0 (typically 11-12 digits total)
// Example: 0151 12345678
// Result: +49 151 12345678 (no leading 0)
if (tel.startsWith('0') && is_de_mobile_phone_prefix(tel)) {
// Remove leading 0 and validate length (should be 10-11 digits after removing 0)
const withoutZero = tel.substring(1);
if (withoutZero.length >= 10 && withoutZero.length <= 11) {
return '+49' + withoutZero;
}
}
// Country code 49 (without +): variable length with leading 0
// Example: 49 0151 12345678
// Result: +49 151 12345678 (no leading 0)
if (tel.startsWith('49') &&
tel.substring(2).startsWith('0') &&
is_de_mobile_phone_prefix(tel.substring(2))) {
const withoutZero = tel.substring(3);
if (withoutZero.length >= 10 && withoutZero.length <= 11) {
return '+49' + withoutZero;
}
}
// Country code +49: variable length with or without leading 0
// Examples: +49 0151 12345678 (with 0) or +49 151 12345678 (without 0)
// Result: +49 151 12345678 (no leading 0)
if (tel.startsWith('+49')) {
const afterCountryCode = tel.substring(3);
if (afterCountryCode.startsWith('0') &&
is_de_mobile_phone_prefix(afterCountryCode)) {
const withoutZero = afterCountryCode.substring(1);
if (withoutZero.length >= 10 && withoutZero.length <= 11) {
return '+49' + withoutZero;
}
}
else if (is_de_mobile_phone_prefix(afterCountryCode)) {
if (afterCountryCode.length >= 10 && afterCountryCode.length <= 11) {
return tel;
}
}
}
return '';
}
/**
* @returns +49 15x xxx xxxx if valid (or similar format)
*/
function format_de_mobile_phone(tel) {
tel = to_full_de_mobile_phone(tel);
if (!tel)
return tel;
// Format: +49 15x xxx xxxx (11 digits) or +49 15x xxxx xxxx (12 digits)
const digits = (0, utils_1.to_tel_digits)(tel).replace('+49', '');
if (digits.length === 11) {
return (0, utils_1.format_tel_with_pattern)(tel, '+49 xxx xxxx xxxx');
}
if (digits.length === 12) {
return (0, utils_1.format_tel_with_pattern)(tel, '+49 xxxx xxxx xxxx');
}
// Default to 11-digit format
return (0, utils_1.format_tel_with_pattern)(tel, '+49 xxx xxxx xxxx');
}