Answersheet to 'Getting to know more about clients'

// node/handler/analytics.ts
export async function analytics(ctx: Context, next: () => Promise<any>) {
  const {
    clients: { analytics },
  } = ctx
  ctx.status = 200
  ctx.body = await analytics.getLiveUsers()
  ctx.set('cache-control', 'no-cache')
  await next()
}

// node/clients/analyticsClient.ts
import { AppClient, InstanceOptions, IOContext } from '@vtex/api'

export default class Analytics extends AppClient {
  constructor(context: IOContext, options?: InstanceOptions) {
    super('[email protected]', context, options)
  }

  public async getLiveUsers(): Promise<LiveUsersProduct[]> {
    return this.http.get('_v/live-products')
  }
}

export interface LiveUsersProduct {
  slug: string
  liveUsers: number
}

// node/clients/index.ts
import { IOClients } from '@vtex/api'
import Analytics from './analyticsClient'

export class Clients extends IOClients {
  public get analytics() {
    return this.getOrSet('analytics', Analytics)
  }
}