diff --git a/lib/JavascriptModulesPlugin.js b/lib/JavascriptModulesPlugin.js
index 6394f465f..09489117c 100644
--- a/lib/JavascriptModulesPlugin.js
+++ b/lib/JavascriptModulesPlugin.js
@@ -85,7 +85,7 @@ class JavascriptModulesPlugin {
 					(source, chunk, hash, moduleTemplate, dependencyTemplates) => {
 						return Template.renderChunkModules(
 							chunk,
-							() => true,
+							m => typeof m.source === "function",
 							moduleTemplate,
 							dependencyTemplates,
 							"/******/ "
@@ -128,7 +128,7 @@ class JavascriptModulesPlugin {
 	renderJavascript(chunkTemplate, chunk, moduleTemplate, dependencyTemplates) {
 		const moduleSources = Template.renderChunkModules(
 			chunk,
-			m => true,
+			m => typeof m.source === "function",
 			moduleTemplate,
 			dependencyTemplates
 		);
diff --git a/lib/webpack.js b/lib/webpack.js
index ed9fa612a..73bcbc6bd 100644
--- a/lib/webpack.js
+++ b/lib/webpack.js
@@ -89,6 +89,7 @@ exportPlugins(exports, {
 	ContextExclusionPlugin: () => require("./ContextExclusionPlugin"),
 	ContextReplacementPlugin: () => require("./ContextReplacementPlugin"),
 	DefinePlugin: () => require("./DefinePlugin"),
+	Dependency: () => require("./Dependency"),
 	DllPlugin: () => require("./DllPlugin"),
 	DllReferencePlugin: () => require("./DllReferencePlugin"),
 	EnvironmentPlugin: () => require("./EnvironmentPlugin"),
@@ -103,6 +104,7 @@ exportPlugins(exports, {
 	LoaderOptionsPlugin: () => require("./LoaderOptionsPlugin"),
 	LoaderTargetPlugin: () => require("./LoaderTargetPlugin"),
 	MemoryOutputFileSystem: () => require("./MemoryOutputFileSystem"),
+	Module: () => require("./Module"),
 	ModuleFilenameHelpers: () => require("./ModuleFilenameHelpers"),
 	NamedChunksPlugin: () => require("./NamedChunksPlugin"),
 	NamedModulesPlugin: () => require("./NamedModulesPlugin"),
@@ -116,6 +118,7 @@ exportPlugins(exports, {
 	SingleEntryPlugin: () => require("./SingleEntryPlugin"),
 	SourceMapDevToolPlugin: () => require("./SourceMapDevToolPlugin"),
 	Stats: () => require("./Stats"),
+	Template: () => require("./Template"),
 	UmdMainTemplatePlugin: () => require("./UmdMainTemplatePlugin"),
 	WatchIgnorePlugin: () => require("./WatchIgnorePlugin")
 });