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-rw-r--r--node_modules/core-js/modules/$.classof.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/$.classof.js b/node_modules/core-js/modules/$.classof.js
new file mode 100644
index 000000000..905c61f7a
--- /dev/null
+++ b/node_modules/core-js/modules/$.classof.js
@@ -0,0 +1,16 @@
+// getting tag from 19.1.3.6 Object.prototype.toString()
+var cof = require('./$.cof')
+ , TAG = require('./$.wks')('toStringTag')
+ // ES3 wrong here
+ , ARG = cof(function(){ return arguments; }()) == 'Arguments';
+
+module.exports = function(it){
+ var O, T, B;
+ return it === undefined ? 'Undefined' : it === null ? 'Null'
+ // @@toStringTag case
+ : typeof (T = (O = Object(it))[TAG]) == 'string' ? T
+ // builtinTag case
+ : ARG ? cof(O)
+ // ES3 arguments fallback
+ : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;
+}; \ No newline at end of file