#1 solutionFeature flags for NestJS

npm i tggl-client

import { TgglClient } from 'tggl-client'
 
const client = new TgglClient('YOUR_API_KEY')

import { Injectable, NestMiddleware } from '@nestjs/common'
import { Request, Response, NextFunction } from 'express'
 
@Injectable()
export class FlagsMiddleware implements NestMiddleware {
  async use(req: Request, res: Response, next: NextFunction) {
    const flags = await client.evalContext({
      userId: 'foo',
      email: 'foo@gmail.com',
    })
 
    req['flags'] = flags
    next()
  }
}