felipeDS91/whatsapp-api - thehardwarestore.ai

── AI DEEP ANALYSIS ──

reviewed by: nvidia/nemotron-3-super-120b-a12b

This is a WhatsApp messaging API built with Node.js, TypeScript, and Express. The system provides REST endpoints for user authentication, WhatsApp number registration (via QR code), message sending (with scheduling and media support), and user/token management. Architecture follows a layered approach: API controllers delegate to service classes, which use TypeORM repositories for data access. A separate worker process continuously polls the database for pending messages and sends them via WhatsApp using a sophisticated custom client manager that handles multiple WhatsApp sessions, QR code authentication, session persistence, and connection recovery. The WhatsApp client implementation (src/whatsapp/client/index.ts) demonstrates significant skill in managing the complexities of the whatsapp-web.js library, including proper resource cleanup, timeout handling, and state management across multiple concurrent connections.

── METRICS ──

RATING7.9/10

QUALITY8.2/10

MAINTENANCEmaintained

DRIFTlow

CONTRIBUTORS2

VELOCITY0.55

OPEN ISSUES0

CLOSED ISSUES15

LAST COMMIT8 months ago

── TAGS ──

#whatsapp-api #messaging-service #authentication-system #queue-processing #multi-session-management #rest-api #nodejs #typescript #whatsapp #qrcode #whatsapp-web #nodejs-api #bot #heroku

── GITHUB TOPICS ──

whatsapp qrcode whatsapp-web nodejs-api bot heroku

── DEPENDENCY GRAPH ──

@babel/cli (npm) ^7.12.1

@babel/core (npm) ^7.12.3

@babel/node (npm) ^7.12.1

@babel/plugin-proposal-class-properties (npm) ^7.12.1

@babel/plugin-proposal-decorators (npm) ^7.12.1

@babel/preset-env (npm) ^7.12.1

@babel/preset-typescript (npm) ^7.12.1

@types/app-root-path (npm) ^1.2.4

app-root-path (npm) ^3.0.0

babel-plugin-transform-typescript-metadata (npm) ^0.3.1

bcryptjs (npm) ^2.4.3

concurrently (npm) ^5.3.0

cors (npm) ^2.8.5

date-fns (npm) ^2.16.1

dotenv (npm) ^8.2.0

express (npm) ^4.17.1

express-async-errors (npm) ^3.1.1

jsonwebtoken (npm) ^8.5.1

mysql (npm) ^2.18.1

qrcode (npm) ^1.4.4

qrcode-terminal (npm) ^0.12.0

reflect-metadata (npm) ^0.1.13

ts-node-dev (npm) 1.1.8

typeorm (npm) 0.2.30

whatsapp-web.js (npm) 1.34.4

@types/bcryptjs (npm) ^2.4.2

@types/cors (npm) ^2.8.10

@types/dotenv (npm) ^8.2.0

@types/express (npm) ^4.17.8

@types/jsonwebtoken (npm) ^8.5.0

@types/qrcode (npm) ^1.3.5

@typescript-eslint/eslint-plugin (npm) ^4.4.0

@typescript-eslint/parser (npm) ^4.4.0

eslint (npm) 6.8.0

eslint-config-airbnb-base (npm) ^14.2.0

eslint-config-prettier (npm) ^6.12.0

eslint-import-resolver-typescript (npm) ^2.3.0

eslint-plugin-import (npm) 2.21.2

eslint-plugin-prettier (npm) ^3.1.4

prettier (npm) ^2.1.2

typescript (npm) ^4.0.3

── FILE BREAKDOWN ──

Files by Type (count)

TypeScript

40

JSON

4

JavaScript

4

Other (no ext)

3

Other (.example)

1

Git Ignore

1

Procfile

1

Markdown

1

YAML

1

Lock File

1

Files by Type (size)

Lock File

238KB

TypeScript

35KB

JSON

11KB

Markdown

6KB

JavaScript

1KB

Other (no ext)

1KB

Other (.example)

318B

YAML

276B

Git Ignore

167B

Procfile

16B

── KEY FINDINGS: REUSABLE CODE ──

The LLM identified 1 files worth highlighting for reuse:

This WhatsApp client manager handles multiple concurrent WhatsApp web sessions with robust lifecycle management. It implements QR code-based authentication, session persistence, automatic reconnection, and proper resource cleanup. The component demonstrates non-obvious skill in managing the complex state transitions of whatsapp-web.js connections, handling timeouts for QR scanning, and isolating WhatsApp-specific logic from the rest of the application. While it has some coupling to the token storage mechanism and configuration, the core connection management logic is highly reusable and could be extracted with minimal changes to interface with different storage mechanisms or configuration systems.

file: src/whatsapp/client/index.ts ↗ | tags: #client-management #state-machine #resource-cleanup #async-initialization

── HISTORY ──

Last analyzed: 2026-07-27 07:57:27.950765

Next check: 2026-08-26 07:57:27.921681

$ show felipeDS91/whatsapp-api