Future not working properly

Question

const Future = require('fibers/future')
function myfunc() {
    var future = new Future();
    Eos().getInfo((err, res) => {
        future["return"]=res;
    })
    return future.wait();
};
console.log(myfunc());

The Error is can't wait without a fiber please help me with this

Can you try this? var fn = async function() { Eos().getInfo((err, res) => { return res; }) }.future(); var future = await fn(); future.wait(); — Shriram Manoharan, Aug 07 '18 at 09:06
`future.return` is a function, so you should call it, not overwrite it (`future.return(res);`). In the recent versions of JS, promises and async/await are easier to use, in my opinion. — MasterAM, Aug 07 '18 at 10:20

score 0 · Answer 1 · answered Aug 09 '18 at 03:55

0

As the error states a future can only "wait" if it is ran within a fiber

console.log(Fiber(myfunc).run());

answered Aug 09 '18 at 03:55

Zack Newsham

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it is giving me undefined – yash vadhvani Aug 10 '18 at 08:40
@yashvadhvani because your original function doesn't return any value you need to `future.return("some value")` – Zack Newsham Aug 10 '18 at 22:12

score 0 · Accepted Answer · answered Dec 14 '19 at 09:00

Get rid of this with promises.

function myfunc() {
    return new Promise((resolve, reject) => {
        Eos().getInfo((err, res) => {
            if (err) {
                reject(err);
            }
            else {
                resolve(res);
            }
        });
    });
}
myfunc()
    .then((res) => {
        console.log(res);
    })
    .catch(err => {
        console.log(err);
    });

Future not working properly

2 Answers2