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.
33 lines
1006 B
JavaScript
33 lines
1006 B
JavaScript
import { write, read } from "@xtuc/ieee754";
|
|
/**
|
|
* According to https://webassembly.github.io/spec/binary/values.html#binary-float
|
|
* n = 32/8
|
|
*/
|
|
|
|
export var NUMBER_OF_BYTE_F32 = 4;
|
|
/**
|
|
* According to https://webassembly.github.io/spec/binary/values.html#binary-float
|
|
* n = 64/8
|
|
*/
|
|
|
|
export var NUMBER_OF_BYTE_F64 = 8;
|
|
export var SINGLE_PRECISION_MANTISSA = 23;
|
|
export var DOUBLE_PRECISION_MANTISSA = 52;
|
|
export function encodeF32(v) {
|
|
var buffer = [];
|
|
write(buffer, v, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
|
|
return buffer;
|
|
}
|
|
export function encodeF64(v) {
|
|
var buffer = [];
|
|
write(buffer, v, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
|
|
return buffer;
|
|
}
|
|
export function decodeF32(bytes) {
|
|
var buffer = new Uint8Array(bytes);
|
|
return read(buffer, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
|
|
}
|
|
export function decodeF64(bytes) {
|
|
var buffer = new Uint8Array(bytes);
|
|
return read(buffer, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
|
|
} |