Index: devel/rubygem-execjs/Makefile
===================================================================
--- devel/rubygem-execjs/Makefile	(revision 484190)
+++ devel/rubygem-execjs/Makefile	(working copy)
@@ -19,15 +19,17 @@
 OPTIONS_SINGLE=	BACKEND
 OPTIONS_SINGLE_BACKEND=	NODE NODE6 NODE8
 OPTIONS_DEFAULT=NODE
-NODE_DESC=	Use Node.js 9.x (www/node) as backend
+NODE_DESC=	Use Node.js 11.x (www/node) as backend
+NODE10_DESC=	Use Node.js 10.x (www/node) as backend
+NODE8_DESC=	Use Node.js 8.x (www/node8) as backend
 NODE6_DESC=	Use Node.js 6.x (www/node6) as backend
-NODE8_DESC=	Use Node.js 8.x (www/node8) as backend
 
 NODE_RUN_DEPENDS=	node>=0:www/node
+NODE10_RUN_DEPENDS=	node10>=0:www/node
+NODE8_RUN_DEPENDS=	node8>=0:www/node8
 NODE6_RUN_DEPENDS=	node6>=0:www/node6
-NODE8_RUN_DEPENDS=	node8>=0:www/node8
 
-post-patch:
+pre-build:
 	@${REINPLACE_CMD} -e 's#%%LOCALBASE%%#${LOCALBASE}#' \
 		${WRKSRC}/lib/${PORTNAME}/runtimes.rb
 
Index: devel/rubygem-execjs/files/patch-lib_execjs_duktape__runtime.rb
===================================================================
--- devel/rubygem-execjs/files/patch-lib_execjs_duktape__runtime.rb	(nonexistent)
+++ devel/rubygem-execjs/files/patch-lib_execjs_duktape__runtime.rb	(working copy)
@@ -0,0 +1,13 @@
+--- lib/execjs/duktape_runtime.rb.orig	2018-11-05 14:13:41 UTC
++++ lib/execjs/duktape_runtime.rb
+@@ -26,9 +26,7 @@ module ExecJS
+       end
+ 
+       def call(identifier, *args)
+-        @ctx.call_prop(identifier.split("."), *args)
+-      rescue Exception => e
+-        raise wrap_error(e)
++        eval "#{identifier}.apply(this, #{::JSON.generate(args)})"
+       end
+ 
+       private