Fixes rollup/rollup#493

9 years ago · 57a3c574f6
2 changed files with 2 additions and 2 deletions
--- a/src/finalisers/iife.js
+++ b/src/finalisers/iife.js
@ -31,7 +31,7 @@ export default function iife ( bundle, magicString, { exportMode, indentString }
 	}

 	if ( exportMode === 'named' ) {
-		dependencies.unshift( `(this.${name} = {})` );
+		dependencies.unshift( `(this.${name} = this.${name} || {})` );
 		args.unshift( 'exports' );
 	}

--- a/src/finalisers/umd.js
+++ b/src/finalisers/umd.js
@ -31,7 +31,7 @@ export default function umd ( bundle, magicString, { exportMode, indentString },
 	if ( exportMode === 'named' ) {
 		amdDeps.unshift( `'exports'` );
 		cjsDeps.unshift( `exports` );
-		globalDeps.unshift( `(${setupNamespace(options.moduleName)} = {})` );
+		globalDeps.unshift( `(${setupNamespace(options.moduleName)} = global.${options.moduleName} || {})` );

 		args.unshift( 'exports' );
 	}