basic base 5 to utf-16 converter for 5chars.js. Probably useless

base5compressor-poc.js

{
    let chars = '+=[]_';
    let range = 6; // 5^6 < 65535 < 5^7

    function base5compress(input){
        let out="";    
        for(let i=0; i<input.length;  i+=range){
            let part = input.slice(i, i+range).split('').reverse();
            let charcode = part.reduce((acc, c) => chars.length*acc + chars.indexOf(c), 0)
            out += String.fromCharCode(charcode)
        }
        return out;
    }

    function base5parse(input){
        let out ="";
        for(let i=0; i<input.length; i++){
            let code = input.charCodeAt(i);
            for(let j=1; j<=range; j++){
                out += chars[code % chars.length];
                code = Math.floor( code / chars.length)
            }
        }
        return out;
    }

    console.log("Compressed: ",base5compress(input).length);
    eval(base5parse(base5compress(input)))
}