From 8aac0c573c29d2829242d66539a9e027d03ff8ec Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Mon, 11 Jan 2021 02:05:30 -0400
Subject: Encapsulate JS definitions produced by the JS compiler in a local
 scope to avoid interacting with the global scope.

---
 lux-js/source/program.lux | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'lux-js/source')

diff --git a/lux-js/source/program.lux b/lux-js/source/program.lux
index 80e53eade..c923aace5 100644
--- a/lux-js/source/program.lux
+++ b/lux-js/source/program.lux
@@ -613,6 +613,11 @@
   (-> Any (Promise Any))
   (promise.future (\ world/program.default exit +0)))
 
+(def: (scope body)
+  (-> _.Statement _.Statement)
+  (_.statement (_.apply/* (_.closure (list) body)
+                          (list))))
+
 (program: [{service /cli.service}]
   (exec (do promise.monad
           [_ (/.compiler {#/static.host @.js
@@ -628,7 +633,7 @@
                          [(& Register Text) _.Expression _.Statement]
                          ..extender
                          service
-                         [(packager.package _.use_strict _.code _.then)
+                         [(packager.package _.use_strict _.code _.then ..scope)
                           (format (/cli.target service) (\ file.default separator) "program.js")])]
           (..declare_success! []))
     (io.io [])))
-- 
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