Turns JavaScript using optional chaining back to duck typed `&&` syntax

optional-chaining-to-duck-typing.js

function optToDuck(string) {
        const parts = string.split("?.");
        let duck = "";
        for (let i = 1; i <= parts.length;i++) {
            for (let j = 0; j < i; j++) {
                duck += `${parts[j]}`
                if (j !== i -1) {
                    duck += '.'
                }
            }
            if (i !== parts.length) {
                duck += " && "
            }
        }
        return duck;
    }