masonry_raf.js

  initMasonry = function(){
    console.log( "init masonry" );
    // We don't need masonry on one-column layouts!
    if ( checkMasonryBreakpoint() ) {
      requestAnimationFrame(function(){
        masonry = new Masonry( artworks, self.settings.masonry );

        masonry.on( 'postLayout', function(){
          console.log('layout done, just this one time');

          requestAnimationFrame(function(){
            InfinitelyLazy.update();
          });

          // return true to trigger an event listener just once
          return true;
        });

        // give browser time to calculate padding-bottom percentages of lazy images into px.
        // otherwise, it would break masonry layout (height: 36px for every column).
        requestAnimationFrame(function(){
          masonry.layout();
        });
      });

      return true;

    } else {
     // use this value in conditions to detect if masonry was inited
     return false;
    }
   };