Add environment variables to the wercker pipeline

envAdder.js

async function getVar(env) {
    for (v in env) {
        var wait = ms=>new Promise((r,j)=>setTimeout(r, ms));
        await wait(500);

        var event = new Event('input',{
            bubbles: true,
            "cancelable": false
        });
        var click = new Event('click',{
            bubbles: true,
            "cancelable": false
        });

        var button = Array.from(document.querySelectorAll("button")).filter((el)=>{
            return el.textContent == 'Add'
        }
        );

        var tr = button[0].parentNode.parentNode.parentNode;
        var keyTd = tr.querySelectorAll('.envvarItem_key');
        var valueContainer = tr.querySelectorAll('.envvarItem_value_container');

        keyTd[0].querySelectorAll('input')[0].value = v;
        keyTd[0].querySelectorAll('input')[0].dispatchEvent(event);

        valueContainer[0].querySelectorAll('textarea')[0].value = (env[v] == "") ? " " : env[v];
        valueContainer[0].querySelectorAll('textarea')[0].dispatchEvent(event);

        console.log(button[0].dispatchEvent(click));
        console.log(valueContainer[0].querySelectorAll('textarea'))
    }

}

getVar().then(result=>console.log(result));