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.
52 lines
2.0 KiB
JavaScript
52 lines
2.0 KiB
JavaScript
import Metadata from '../metadata.js'
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import getNumberType from './getNumberType.js'
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export default function getCountryByNationalNumber(nationalPhoneNumber, {
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countries,
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defaultCountry,
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metadata
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}) {
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// Re-create `metadata` because it will be selecting a `country`.
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metadata = new Metadata(metadata)
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// const matchingCountries = []
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for (const country of countries) {
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metadata.country(country)
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// "Leading digits" patterns are only defined for about 20% of all countries.
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// By definition, matching "leading digits" is a sufficient but not a necessary
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// condition for a phone number to belong to a country.
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// The point of "leading digits" check is that it's the fastest one to get a match.
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// https://gitlab.com/catamphetamine/libphonenumber-js/blob/master/METADATA.md#leading_digits
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// I'd suppose that "leading digits" patterns are mutually exclusive for different countries
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// because of the intended use of that feature.
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if (metadata.leadingDigits()) {
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if (nationalPhoneNumber &&
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nationalPhoneNumber.search(metadata.leadingDigits()) === 0) {
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return country
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}
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}
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// Else perform full validation with all of those
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// fixed-line/mobile/etc regular expressions.
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else if (getNumberType({ phone: nationalPhoneNumber, country }, undefined, metadata.metadata)) {
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// If both the `defaultCountry` and the "main" one match the phone number,
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// don't prefer the `defaultCountry` over the "main" one.
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// https://gitlab.com/catamphetamine/libphonenumber-js/-/issues/154
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return country
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// // If the `defaultCountry` is among the `matchingCountries` then return it.
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// if (defaultCountry) {
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// if (country === defaultCountry) {
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// return country
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// }
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// matchingCountries.push(country)
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// } else {
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// return country
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// }
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}
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}
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// // Return the first ("main") one of the `matchingCountries`.
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// if (matchingCountries.length > 0) {
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// return matchingCountries[0]
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// }
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} |