Merge pull request #10 from azproduction/issue-9

Fixes #9
azproduction · Jul 19, 2014 · 34954a6 · 34954a6
2 parents 8180fd0 + 511414d
commit 34954a6
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/lib/polyfill-wrap/index.js b/lib/polyfill-wrap/index.js
@@ -21,8 +21,8 @@ function wrapDefault(code, polyfillName) {
         expression = 'typeof ' + parts[0] + ' === "undefined"';
     } else if (parts.length === 2) {
         // Object.keys
-        // typeof Object === "undefined" || Object && !Object.keys
-        expression = 'typeof ' + parts[0] + ' === "undefined" || ' + parts[0] + ' && !' + parts[0] + '.' + parts[1];
+        // typeof Object !== "undefined" && !Object.keys
+        expression = 'typeof ' + parts[0] + ' !== "undefined" && !' + parts[0] + '.' + parts[1];
     } else if (parts[0] === 'Window' && parts[1] === 'prototype' && parts[2]) {
         // Window.prototype.JSON
         expression = 'typeof window.' + parts[2] + ' === "undefined"';

diff --git a/test/test.polyfill-wrap.js b/test/test.polyfill-wrap.js
@@ -43,7 +43,7 @@ describe('polyfill-wrap', function() {
         var wrappedCode = wrap(code, polyfillName);
 
         expect(wrappedCode).to.match(/Object.keys = function \(\) \{\};/);
-        expect(wrappedCode).to.match(/typeof Object === "undefined" || Object && !Object.keys/);
+        expect(wrappedCode).to.match(/typeof Object !== "undefined" && !Object.keys/);
     });
 
     describe('.addWrapper', function() {