Calculadora de CUIL

calculadora-de-cuil.markdown

Calculadora de CUIL

A Pen by Domingo E. Savoretti on CodePen.

License.

index.html

<div id="app">
  <hr/>
  <p>
  <input type="radio"
         name="condition"
         v-model="condition"
         id="femenino"
         value="F"
  />
  <label for="femenino">
    Femenino
  </label>
  </p>
  <p>
  <input type="radio"
         name="condition"
         v-model="condition"
         id="masculino"
         value="M"
  />
  <label for="masculino">
    Masculino
  </label>
  </p>
  <p>
  <input type="radio"
         name="condition"
         v-model="condition"
         id="empresa"
         value="E"
  />
  <label for="empresa">
    Empresa
  </label>
  </p>
  <hr/>
  <input type="number"
         v-model="documento"
         placeholder="Número de    documento"
  />
  <hr/>
  <div>
    CUIL  
    <span class="result"> 
      {{ result }}
    </span>
  </div>
</div>

script.babel

const factors = "5432765432"

const str2nums = str => str.split('').map(c => parseInt(c))

const pad = (str, len = 8, padChar = '0') => {
  const dif = len - str.length
  return dif <= 0 ? str : `${padChar.repeat(dif)}${str}`
}

const zip = (arr1, arr2) => {
  let i, index, len1, n, ret
  ret = []
  for (index = i = 0, len1 = arr1.length; i < len1; index = ++i) {
    n = arr1[index]
    ret.push([n, arr2[index]])
  }
  return ret
}

const cuil = (kind, doc) => {
  kind = kind.toUpperCase()
  if (!["M", "F", "E"].find(x => x === kind)) {
    return null
  }
  const padded_doc = pad(doc)
  let prefix = kind === "M" ? "20" : kind === "F" ? "27" : "30"
  const prefix_doc = `${prefix}${padded_doc}`
  const zipped = zip(str2nums(factors), str2nums(prefix_doc))
  const products = zipped.map((x) => x[0] * x[1])
  const sum = products.reduce ((n, acum) => n + acum, 0)
  const rest =  sum % 11

  let digit
  
  if (kind === "E") {
    digit = (11 - rest).toString()
  } else {
    switch (rest) {
      case 0:
        digit = "0"
        break
      case 1:
        prefix = "23"
        if (kind === "F")
          digit = "4"
        if (kind === "M")
          digit = "9"
      default:
        digit = (11 - rest).toString()
    }
  }

  //console.log zipped
  //console.log products
  //console.log sum
  //console.log rest

  return `${prefix}-${doc}-${digit}`
}
  
new Vue({
  el: "#app",
  data: function() {
    return {
      version: "1.0",
      condition: "F",
      documento: 11272988
    }  
  },
  computed: {
    result() {
     return cuil(this.condition, this.documento)
    }
  }
})

scripts

<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.6.10/vue.min.js"></script>

style.css

.result {
  font-size: 16pt;
  font-weight: bold;
  color: green;
}