javascriptrubyopalrb

OpalRB: Using functions as parameters

I'm using Opal in my MeteorJS project.

I'm trying to figure out a way to do the Meteor.startup code, but it doesn't seem to work..

I thought this would work:

require 'native'

@Meteor = `Meteor`
@Meteor.startup do
  puts 'Go'
end

But it doesn't. The compiled code should be like the following:

Meteor.startup( function() {
  console.log( "GO" );
} );

It's very regular to throw functions as parameters in JS, how would we do this in Opal?

Solution

  • The following should work fine:

    require 'native'

@Meteor = Native(`Meteor`)
@Meteor.startup -> {
  puts 'Go'
}

    Note that using Native you pass a lambda instead of a block