@beenotung/tslib/tel/sg.js

utils library in Typescript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.is_sg_mobile_phone_prefix = is_sg_mobile_phone_prefix;
exports.is_sg_mobile_phone = is_sg_mobile_phone;
exports.to_full_sg_mobile_phone = to_full_sg_mobile_phone;
exports.format_sg_mobile_phone = format_sg_mobile_phone;
const utils_1 = require("./utils");
/** ******************************
 * Singapore mobile phone number *
 *********************************/
/**
 * starts with 8, 9
 * reference: https://en.wikipedia.org/wiki/Telephone_numbers_in_Singapore
 */
function is_sg_mobile_phone_prefix(tel) {
    tel = tel.replace(/^\+65/, '').trim();
    switch (tel[0]) {
        case '8':
        case '9':
            return true;
        default:
            return false;
    }
}
/**
 * with/without +65 prefix
 */
function is_sg_mobile_phone(tel) {
    return to_full_sg_mobile_phone(tel) !== '';
}
/**
 * very forgiving
 *
 * @returns +65xxxxyyyy if valid
 *          empty string if not valid
 */
function to_full_sg_mobile_phone(tel) {
    tel = (0, utils_1.to_tel_digits)(tel);
    if (tel.length === 8 && is_sg_mobile_phone_prefix(tel)) {
        return '+65' + tel;
    }
    if (tel.length === 8 + 2 &&
        tel.startsWith('65') &&
        is_sg_mobile_phone_prefix(tel.substring(2))) {
        return '+' + tel;
    }
    if (tel.length === 8 + 3 &&
        tel.startsWith('+65') &&
        is_sg_mobile_phone_prefix(tel.substring(3))) {
        return tel;
    }
    return '';
}
/**
 * @returns +65 xxxx yyyy if valid
 */
function format_sg_mobile_phone(tel) {
    tel = to_full_sg_mobile_phone(tel);
    if (!tel)
        return tel;
    return (0, utils_1.format_tel_with_pattern)(tel, '+65 xxxx yyyy');
}