One line coffeescript "return if" iterating an array

Question

This is my code (not working)

return monitor if (monitor.uuid is $scope.selectedMonitor) for monitor in $scope.monitors

I want to return monitor if the if is true and I'm trying to do in one single line. Is it possibile?

phenomnomnominal · Accepted Answer · 2014-01-21 10:13:37Z

2

You could use the when keyword:

getSelectedMonitor = ->
  return monitor for monitor in $scope.monitors when monitor.uuid is $scope.selectedMonitor

This generates the following JS:

var getSelectedMonitor = function() {
  var monitor, _i, _len, _ref;
  _ref = $scope.monitors;
  for (_i = 0, _len = _ref.length; _i < _len; _i++) {
    monitor = _ref[_i];
    if (monitor.uuid === $scope.selectedMonitor) {
      return monitor;
    }
  }
};

answered Jan 21, 2014 at 10:13

phenomnomnominal

5,5161 gold badge32 silver badges48 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

Daniele Vrut Over a year ago

Many thanks. Do you know if it is possible to append an "else" statement? Something like this: when condition else null

Collectives™ on Stack Overflow

One line coffeescript "return if" iterating an array

1 Answer 1

1 Comment

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

1 Comment

Your Answer

Sign up or log in

Post as a guest

Related