545563e776
- 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.
30 lines
1.1 KiB
JavaScript
30 lines
1.1 KiB
JavaScript
import Metadata from '../metadata.js'
|
|
import { VALID_DIGITS } from '../constants.js'
|
|
|
|
const CAPTURING_DIGIT_PATTERN = new RegExp('([' + VALID_DIGITS + '])')
|
|
|
|
export default function stripIddPrefix(number, country, callingCode, metadata) {
|
|
if (!country) {
|
|
return
|
|
}
|
|
// Check if the number is IDD-prefixed.
|
|
const countryMetadata = new Metadata(metadata)
|
|
countryMetadata.selectNumberingPlan(country, callingCode)
|
|
const IDDPrefixPattern = new RegExp(countryMetadata.IDDPrefix())
|
|
if (number.search(IDDPrefixPattern) !== 0) {
|
|
return
|
|
}
|
|
// Strip IDD prefix.
|
|
number = number.slice(number.match(IDDPrefixPattern)[0].length)
|
|
// If there're any digits after an IDD prefix,
|
|
// then those digits are a country calling code.
|
|
// Since no country code starts with a `0`,
|
|
// the code below validates that the next digit (if present) is not `0`.
|
|
const matchedGroups = number.match(CAPTURING_DIGIT_PATTERN)
|
|
if (matchedGroups && matchedGroups[1] != null && matchedGroups[1].length > 0) {
|
|
if (matchedGroups[1] === '0') {
|
|
return
|
|
}
|
|
}
|
|
return number
|
|
} |