infiniteCraftCrafter.js

const items = document.getElementsByClassName("mobile-items")[0];

function match(a, b) {
    items.children[a].firstChild.click();
    items.children[b].firstChild.click();
}

function matchAllTo(a) {
    queue = queue.concat(new Array(items.children.length).fill(0).map((v, i) => [a, i]));
}

let queue = [];
let interval = setInterval(() => {
    if (queue.length > 0) {  
        const item = queue.shift();
        match(item[0], item[1]);
    }
}, 200);
let i=0;

// to do crazy matching, do
matchAllTo(i++)