realtimechatapiwithmediasup.../node_modules/libphonenumber-js/source/helpers/extractCountryCallingCodeFromInternationalNumberWithoutPlusSign.js
Automated Action 545563e776 Implement comprehensive real-time chat API with NestJS
- Complete NestJS TypeScript implementation with WebSocket support
- Direct messaging (DM) and group chat functionality
- End-to-end encryption with AES encryption and key pairs
- Media file support (images, videos, audio, documents) up to 100MB
- Push notifications with Firebase Cloud Messaging integration
- Mention alerts and real-time typing indicators
- User authentication with JWT and Passport
- SQLite database with TypeORM entities and relationships
- Comprehensive API documentation with Swagger/OpenAPI
- File upload handling with secure access control
- Online/offline status tracking and presence management
- Message editing, deletion, and reply functionality
- Notification management with automatic cleanup
- Health check endpoint for monitoring
- CORS configuration for cross-origin requests
- Environment-based configuration management
- Structured for Flutter SDK integration

Features implemented:
 Real-time messaging with Socket.IO
 User registration and authentication
 Direct messages and group chats
 Media file uploads and management
 End-to-end encryption
 Push notifications
 Mention alerts
 Typing indicators
 Message read receipts
 Online status tracking
 File access control
 Comprehensive API documentation

Ready for Flutter SDK development and production deployment.
2025-06-21 17:13:05 +00:00

63 lines
2.1 KiB
JavaScript

import Metadata from '../metadata.js'
import matchesEntirely from './matchesEntirely.js'
import extractNationalNumber from './extractNationalNumber.js'
import checkNumberLength from './checkNumberLength.js'
import getCountryCallingCode from '../getCountryCallingCode.js'
/**
* Sometimes some people incorrectly input international phone numbers
* without the leading `+`. This function corrects such input.
* @param {string} number — Phone number digits.
* @param {string?} country
* @param {string?} callingCode
* @param {object} metadata
* @return {object} `{ countryCallingCode: string?, number: string }`.
*/
export default function extractCountryCallingCodeFromInternationalNumberWithoutPlusSign(
number,
country,
callingCode,
metadata
) {
const countryCallingCode = country ? getCountryCallingCode(country, metadata) : callingCode
if (number.indexOf(countryCallingCode) === 0) {
metadata = new Metadata(metadata)
metadata.selectNumberingPlan(country, callingCode)
const possibleShorterNumber = number.slice(countryCallingCode.length)
const {
nationalNumber: possibleShorterNationalNumber,
} = extractNationalNumber(
possibleShorterNumber,
metadata
)
const {
nationalNumber
} = extractNationalNumber(
number,
metadata
)
// If the number was not valid before but is valid now,
// or if it was too long before, we consider the number
// with the country calling code stripped to be a better result
// and keep that instead.
// For example, in Germany (+49), `49` is a valid area code,
// so if a number starts with `49`, it could be both a valid
// national German number or an international number without
// a leading `+`.
if (
(
!matchesEntirely(nationalNumber, metadata.nationalNumberPattern())
&&
matchesEntirely(possibleShorterNationalNumber, metadata.nationalNumberPattern())
)
||
checkNumberLength(nationalNumber, metadata) === 'TOO_LONG'
) {
return {
countryCallingCode,
number: possibleShorterNumber
}
}
}
return { number }
}