main.js

let capital_letters = "ABCDEFGHYJKLMNÑOPQRSTUVWXYZ";
let letters_accents = "áéíóúý";
let capital = 0;

function encrypter(){
    let text = document.getElementById("input-text").value;
    capital = 0;
    if (text == "" || text == " " ){
        Swal.fire({
            position: 'center',
            icon: 'error',
            title: 'Debe ingresar texto para encriptar.',
            showConfirmButton: false,
            timer: 1600
          })
    } else{
        for(i=0;i<text.length; i++){
            if (capital_letters.indexOf(text.charAt(i),0)!=-1 || letters_accents.indexOf(text.charAt(i),0)!=-1){
                capital++;
            }
        }
        if (capital > 0){
            Swal.fire({
                position: 'center',
                icon: 'error',
                title: 'No se permite mayúsculas o acentos.',
                showConfirmButton: false,
                timer: 1600
              })
        } else{
            let txtEncrypted = text.replace(/e/igm,"enter");
            txtEncrypted = txtEncrypted.replace(/o/igm,"ober");
            txtEncrypted = txtEncrypted.replace(/i/igm,"imes");
            txtEncrypted = txtEncrypted.replace(/a/igm,"ai");
            txtEncrypted = txtEncrypted.replace(/u/igm,"ufat");
            document.getElementById("search-image").style.display = "none";
            document.getElementById("first-part").style.display = "none";
            document.getElementById("text-info").style.display = "none";
            document.getElementById("show-text").innerHTML = txtEncrypted;
            document.getElementById("show-text").style.display = "flex";
            document.getElementById("show-text").style.display = "inherit";
            document.getElementById("second-part").style.display = "show";
            document.getElementById("second-part").style.display = "inherit";
            document.getElementById("input-text").value = "";
        }
    }
}
function desencrypter(){
    let text = document.getElementById("input-text").value;
    capital = 0;
    if (text == "" || text == " "){
        Swal.fire({
            position: 'center',
            icon: 'error',
            title: 'Debe ingresar texto para desencriptar.',
            showConfirmButton: false,
            timer: 1600
          })
    } else{
        for(i=0;i<text.length; i++ ){
            if (capital_letters.indexOf(text.charAt(i),0)!=-1 || letters_accents.indexOf(text.charAt(i),0)!=-1){
                capital++;
            }
        }
        if (capital > 0){
            Swal.fire({
                position: 'center',
                icon: 'error',
                title: 'No se permite mayúsculas o acentos.',
                showConfirmButton: false,
                timer: 1600
              })
        } else{
            let txtEncrypted = text.replace(/enter/igm,"e");
            txtEncrypted = txtEncrypted.replace(/ober/igm,"o");
            txtEncrypted = txtEncrypted.replace(/imes/igm,"i");
            txtEncrypted = txtEncrypted.replace(/ai/igm,"a");
            txtEncrypted = txtEncrypted.replace(/ufat/igm,"u");
            document.getElementById("search-image").style.display = "none";
            document.getElementById("first-part").style.display = "none";
            document.getElementById("show-text").innerHTML = txtEncrypted;
            document.getElementById("second-part").style.display = "flex";
            document.getElementById("second-part").style.display = "inherit";
            document.getElementById("input-text").value = "";
        }    
    }
}

function copy(){
    let container = document.getElementById("show-text");
    container.select();
    document.execCommand("copy");
    document.getElementById("input-text").focus();
    Swal.fire({
        position: 'center',
        icon: 'success',
        title: 'Texto copiado correctamente.',
        showConfirmButton: false,
        timer: 1500
      })
}