source: Dev/trunk/src/client/util/build/transforms/writeOptimized.js

define(["../buildControl", "require"], function(bc, require){
        var optimizers = {};

        function resolveComments(optimizer) {
                // This is for back-compat of comments and comments.keepLines,
                // after the refactor to separate optimizers placed this logic in shrinksafe.
                // TODO: remove @ 2.0 (along with shrinksafe entirely, perhaps)
                return /^comments/.test(optimizer) ? "shrinksafe." + optimizer : optimizer;
        }

        if(bc.optimize){
                bc.optimize = resolveComments(bc.optimize);
                require(["./optimizer/" + bc.optimize.split(".")[0]], function(optimizer){
                        optimizers[bc.optimize] = optimizer;
                });
        }
        if(bc.layerOptimize){
                bc.layerOptimize = resolveComments(bc.layerOptimize);
                require(["./optimizer/" + bc.layerOptimize.split(".")[0]], function(optimizer){
                        optimizers[bc.layerOptimize] = optimizer;
                });
        }

        return function(resource, callback) {
                if(bc.optimize && !resource.layer){
                        return optimizers[bc.optimize](resource, resource.uncompressedText, resource.pack.copyright, bc.optimize, callback);
                }else if(bc.layerOptimize && resource.layer && !resource.layer.discard){
                        return optimizers[bc.layerOptimize](resource, resource.uncompressedText, resource.layer.copyright, bc.layerOptimize, callback);
                }else{
                        return 0;
                }
        };
});