A code generator that takes Javascript and compiles it to ASCII Control Characters that are not visible, based on Martin Kleppe's "Invisible Code" talk

invisible-code-generator.js

/**
 * Invisible Code Generator
 *
 * Description:
 * A code generator that takes Javascript and compiles it to
 * ASCII Control Characters that are not visible
 *
 * Usage:
 * Copy and paste the code into your browsers console
 * Then paste the code you wish to convert to "Invisible Code"
 * Your code will then be copied to your clipboard
 *
 * Credits: Martin Kleppe aka @aemkei
 *
 * Author: Aaron George
 * Github: github.com/aarongeorge
 */

const textToHex = (text) => {
    return text.split('').map((c) => {
        return (`0${c.charCodeAt(0).toString(16)}`).slice(-2);
    }).join(' ');
};

const hexToControlCharacter = (hex) => {
    return hex.split(' ').map((c) => {
        return c.replace(/(.)(.)/, '%1$1%1$2');
    }).join('');
};

const codeToHide = window.prompt('Enter your code');
const hex = textToHex(codeToHide, ' ');
const cc = unescape(hexToControlCharacter(hex));

// Copy text to clipboard
copy(`eval(eval('"'+escape("${cc}").replace(/..(.)..(.)/g,'\\\\x$1$2')+'"'))`);

// Alert that the text is there
window.alert('Code has been copied to your clipboard');