refactored up from old DTP repo / lib

app/services/phone.js

@@ -0,0 +1,61 @@
+// phone.js
+// Copyright (C) 2022 DTP Technologies, LLC
+// License: Apache-2.0
+
+'use strict';
+
+const {
+  libphonenumber,
+  striptags,
+  SiteService,
+  SiteError,
+} = require('../../lib/site-lib');
+
+class PhoneService extends SiteService {
+
+  constructor (dtp) {
+    super(dtp, module.exports);
+  }
+
+  async processPhoneNumberInput (phoneNumberInput, country = 'US') {
+    const { parsePhoneNumber } = libphonenumber;    
+    const phoneCheck = await parsePhoneNumber(striptags(phoneNumberInput.trim()), country);
+
+    if (!phoneCheck.isValid()) {
+      throw new SiteError(400, 'The phone number entered is not valid');
+    }
+
+    // store everything this library provides about the new phone number
+    const phoneNumber = {
+      type: phoneCheck.getType(),
+      number: phoneCheck.number,
+      countryCallingCode: phoneCheck.countryCallingCode,
+      nationalNumber: phoneCheck.nationalNumber,
+      country: phoneCheck.country,
+      ext: phoneCheck.ext,
+      carrierCode: phoneCheck.carrierCode,
+    };
+
+    if (phoneCheck.carrierCode) {
+      phoneNumber.carrierCode = phoneCheck.carrierCode;
+    }
+    if (phoneCheck.ext) {
+      phoneNumber.ext = phoneCheck.ext;
+    }
+
+    phoneNumber.display = {
+      national: phoneCheck.formatNational(),
+      international: phoneCheck.formatInternational(),
+      uri: phoneCheck.getURI(),
+    };
+
+    return phoneNumber;
+  }
+
+}
+
+module.exports = {
+  slug: 'phone',
+  name: 'phone',
+  create: (dtp) => { return new PhoneService(dtp); },
+};