Started working on namespaces.

src/Bundle.js

@@ -63,6 +63,12 @@ export default class Bundle {
 				this.markAllModifierStatements();
 				this.orderedModules = this.sort();
 
+				this.exports.localIds().forEach( ([ , id ]) => {
+					// If the export is a module (namespace), we need
+					// all its exports dynamically accessible.
+					if ( id.module === id ) id.dynamicAccess();
+				});
+
 				// As a last step, deconflict all identifier names, once.
 				this.scope.deconflict();
 
@@ -71,7 +77,7 @@ export default class Bundle {
 				this.externalModules.forEach( module => {
 					const externalDefault = module.exports.lookup( 'default' );
 
-					if ( externalDefault && !module.needsNamed ) {
+					if ( externalDefault && !( module.needsNamed || module.needsAll ) ) {
 						externalDefault.name = module.name;
 					}
 				});
@@ -245,7 +251,7 @@ export default class Bundle {
 			const exports = module.exports.localIds().map( ( [ name, id ] ) =>
 				`${indentString}get ${name} () { return ${id.name}; }`);
 
-			return `var ${module.replacements['*']} = {\n` +
+			return `var ${module.name} = {\n` +
 				exports.join( ',\n' ) +
 			`\n};\n\n`;
 		}).join( '' );

src/Module.js

@@ -31,6 +31,7 @@ export default class Module {
 
 		this.bundle = bundle;
 		this.id = id;
+		this.module = this;
 
 		// Implement Identifier interface.
 		this.name = makeLegalIdentifier( basename( id ).slice( 0, -extname( id ).length ) );
@@ -92,10 +93,8 @@ export default class Module {
 
 		this.reassignments = [];
 
-		this.marked = blank();
+		// TODO: change to false, and detect when it's necessary.
-		this.definitions = blank();
+		this.needsDynamicAccess = false;
-		this.definitionPromises = blank();
-		this.modifications = blank();
 
 		this.dependencies = this.collectDependencies();
 	}
@@ -261,9 +260,6 @@ export default class Module {
 					statement,
 					module: this
 				});
-
-				// FIXME: remove?
-				this.definitions[ name ] = statement;
 			});
 
 			keys( statement.modifies ).forEach( name => {
@@ -384,8 +380,14 @@ export default class Module {
 		return { strongDependencies, weakDependencies };
 	}
 
-	defaultName () {
+	// Enforce dynamic access of the module's properties.
-		return this.name;
+	dynamicAccess () {
+		this.needsDynamicAccess = true;
+		this.markAllExportStatements();
+
+		if ( !~this.bundle.internalNamespaceModules.indexOf( this ) ) {
+			this.bundle.internalNamespaceModules.push( this );
+		}
 	}
 
 	getModule ( source ) {