I have a gwt module, and it is working with Jsinterop for reuse some
functions that are on JS.
now we are trying to call a function on JS, thas is a promise. so when we
call it from GWT it doesnt wait to the promise to resolve.. so we are
getting an undefined result.
it could be replicated with this:
JS Code
bnb = { test: {client:{}} };
bnb.test.client.Foo = function() {
this.x = 4;
this.y = 2;
};
bnb.test.client.Foo.prototype.sum = function() {
setTimeout(function () {
return(thisx + this.y);
}, 100);
};
function inicial(){
bnb.test.client.Foo.prototype.sum();
}
GWT
package bnb.test.client;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Window;
public class FooMain {
public static void main() {
Foo foo = new Foo();
int res = foo.sum();
Window.alert(" res : " + res);
foo.x = 5;
foo.y = 5;
int res2 = foo.sum();
Window.alert(" res2 : " + res2);
}
}
with the timeout acting as a promise we get the undefined return value...
How we can do to wait the promise get resolved, and then go to gwt with the
correct value.
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