add node_modules to address #4364

1 files changed, 8 insertions, 0 deletions

diff --git a/node_modules/core-js/modules/es6.object.is-sealed.js b/node_modules/core-js/modules/es6.object.is-sealed.js
new file mode 100644
index 000000000..d13aa1b06
--- /dev/null
+++ b/node_modules/core-js/modules/es6.object.is-sealed.js
@@ -0,0 +1,8 @@
+// 19.1.2.13 Object.isSealed(O)
+var isObject = require('./_is-object');
+
+require('./_object-sap')('isSealed', function($isSealed){
+  return function isSealed(it){
+    return isObject(it) ? $isSealed ? $isSealed(it) : false : true;
+  };
+});
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