VK Helpers

A utility library for developing VK Mini Apps with support for both frontend and backend environments.

Most important features include:

• signature verification (backend)

Installation

npm install vk-helpers

Usage

Frontend

import { parseLaunchParams, getUserId, initBridge } from 'vk-helpers';

// Parse VK Mini App launch parameters
const params = parseLaunchParams();
console.log('User ID:', getUserId(params));

Backend

import { checkRequestSignature } from 'vk-helpers';

// Verify request signature
const isValid = checkRequestSignature({
  signature: 'received-signature',
  secretKey: 'your-secret-key',
  app_id: '12345',
  params: { param1: 'value1' },
  user_id: '67890',
  ts: '1234567890'
});

Features

• Launch parameters parsing and validation
• Signature verification (backend)
• VK Bridge integration helpers
• Support for both ESM and CommonJS