
- 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.
36 lines
1.3 KiB
JavaScript
36 lines
1.3 KiB
JavaScript
import { traverse, getSectionMetadatas, shiftSection } from "@webassemblyjs/ast";
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import { overrideBytesInBuffer } from "@webassemblyjs/helper-buffer";
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export function removeSections(ast, uint8Buffer, section) {
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var sectionMetadatas = getSectionMetadatas(ast, section);
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if (sectionMetadatas.length === 0) {
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throw new Error("Section metadata not found");
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}
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return sectionMetadatas.reverse().reduce(function (uint8Buffer, sectionMetadata) {
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var startsIncludingId = sectionMetadata.startOffset - 1;
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var ends = section === "start" ? sectionMetadata.size.loc.end.column + 1 : sectionMetadata.startOffset + sectionMetadata.size.value + 1;
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var delta = -(ends - startsIncludingId);
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/**
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* update AST
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*/
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// Once we hit our section every that is after needs to be shifted by the delta
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var encounteredSection = false;
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traverse(ast, {
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SectionMetadata: function SectionMetadata(path) {
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if (path.node.section === section) {
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encounteredSection = true;
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return path.remove();
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}
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if (encounteredSection === true) {
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shiftSection(ast, path.node, delta);
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}
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}
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}); // replacement is nothing
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var replacement = [];
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return overrideBytesInBuffer(uint8Buffer, startsIncludingId, ends, replacement);
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}, uint8Buffer);
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} |