diff --git a/lib/builder.js b/lib/builder.js
index 727e477..ad4e4eb 100644
--- a/lib/builder.js
+++ b/lib/builder.js
@@ -329,6 +329,10 @@ Builder.prototype.config = function(config, saveForReset, ignoreBaseURL) {
  */
 function processTraceOpts(options, defaults) {
   var opts = {
+    // indicate to plugins to output ES modules instead of System.register for Rollup support
+    outputESM: true,
+    sourceMaps: false,
+
     // conditional tracing options
     browser: undefined,
     node: undefined,
@@ -511,7 +515,8 @@ Builder.prototype.compile = function(moduleNameOrLoad, outFile, opts) {
     .then(function(moduleName) {
       if (!opts || opts.cache !== true)
         self.invalidate(moduleName);
-      return self.tracer.getLoadRecord(getCanonicalName(self.loader, moduleName), true);
+      return self.tracer.getLoadRecord(getCanonicalName(self.loader, moduleName), 
+          processTraceOpts(opts, { tracePackageConfig: false, browser: true, node: false, production: true, dev: false, outputESM: false }));
     });
   })
   .then(function(load) {
diff --git a/lib/trace.js b/lib/trace.js
index 15b1cd1..40cfe5c 100644
--- a/lib/trace.js
+++ b/lib/trace.js
@@ -109,7 +109,7 @@ function isLoadFresh(load, loader, loads) {
  * Low-level functions
  */
 // runs the pipeline hooks, returning the load record for a module
-Trace.prototype.getLoadRecord = function(canonical, excludeURLs, parentStack, sourceMaps) {
+Trace.prototype.getLoadRecord = function(canonical, traceOpts, parentStack) {
 
   var loader = this.loader;
   var loads = this.loads;
@@ -430,20 +430,14 @@ Trace.prototype.getLoadRecord = function(canonical, excludeURLs, parentStack, so
 
           // Parse source map definitions inside of the source and apply it to the metadata if present.
           .then(function (source) {
-            // Once the sourceMaps option is set to false, we will not parse any source map definitions.
-            // Just returning the plain source is required.
-            if (sourceMaps === false) {
+            if (!traceOpts.sourceMaps || load.metadata.sourceMap)
               return source;
-            }
-
-            if (load.metadata.sourceMap) return source;
 
             // Search for the specified sourceMap definition in the files source.
             var sourceMap = source.match(/^\s*\/\/\s*[#@] sourceMappingURL=([^\s'"]*)/m);
 
-            if (!sourceMap) {
+            if (!sourceMap)
               return source;
-            }
 
             // Once the sourceMappingURL starts with `data:`, we have to parse it as an inline source map.
             if (sourceMap[1].startsWith('data:')) {
@@ -473,7 +467,7 @@ Trace.prototype.getLoadRecord = function(canonical, excludeURLs, parentStack, so
             load.metadata.timestamp = undefined;
           }
 
-          return loader.translate({ name: normalized, metadata: load.metadata, address: address, source: source });
+          return loader.translate({ name: normalized, metadata: load.metadata, address: address, source: source }, traceOpts);
         })
         .then(function(source) {
           load.source = source;
@@ -509,7 +503,7 @@ Trace.prototype.getLoadRecord = function(canonical, excludeURLs, parentStack, so
                 load.depMap[dep] = getCanonicalName(loader, normalized);
               }
               catch(e) {
-                if (!excludeURLs || normalized.substr(0, 7) == 'file://')
+                if (!traceOpts.excludeURLs || normalized.substr(0, 7) == 'file://')
                   throw e;
                 (loader.meta[normalized] = loader.meta[normalized] || {}).build = false;
                 load.depMap[dep] = normalized;