do not pollute global scope except for node (where we must)

2 files changed, 10 insertions, 0 deletions

diff --git a/src/compiler.js b/src/compiler.js
index 1876ee1c..9e239c1d 100644
--- a/src/compiler.js
+++ b/src/compiler.js
@@ -17,6 +17,11 @@ var ENVIRONMENT_IS_WEB = typeof window === 'object';
 var ENVIRONMENT_IS_WORKER = typeof importScripts === 'function';
 var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
 
+if (!ENVIRONMENT_IS_NODE) {
+  // Node needs these in the global scope, everywhere else, cleaner to not pollute the global scope
+  eval('var print, printErr, read, load, arguments_;');
+}
+
 if (ENVIRONMENT_IS_NODE) {
   // Expose functionality in the same simple way that the shells work
   print = function(x) {
diff --git a/src/shell.js b/src/shell.js
index d67cc45a..b45d2c7d 100644
--- a/src/shell.js
+++ b/src/shell.js
@@ -9,6 +9,11 @@ var ENVIRONMENT_IS_WEB = typeof window === 'object';
 var ENVIRONMENT_IS_WORKER = typeof importScripts === 'function';
 var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
 
+if (!ENVIRONMENT_IS_NODE) {
+  // Node needs these in the global scope, everywhere else, cleaner to not pollute the global scope
+  eval('var print, printErr, read, load, arguments_;');
+}
+
 if (ENVIRONMENT_IS_NODE) {
   // Expose functionality in the same simple way that the shells work
   print = function(x) {