middleware1.js

//middleware parttner (chain of responsability)

const passo1 = ( ctx, next) =>{
    ctx.valor1 = 'mid1'
    next()
}


const passo2 = (ctx, next) =>{
    ctx.valor2 = 'mid'
    next()
}

const passo3 = ctx => ctx.valor3 = 'mid3'

const exec = (ctx, ...midlewares) =>{
    const execPassso = indice =>{
        midlewares && indice < midlewares.length &&
            midlewares[indice](ctx, () => execPassso(indice + 1))
    }
    execPassso(0)
}

const ctx  = {}
exec(ctx, passo1, passo2, passo3)
console.log(ctx)