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Current File : /var/www/html/node_modules/core-js-pure/internals/classof.js

var global = require('../internals/global');
var TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support');
var isCallable = require('../internals/is-callable');
var classofRaw = require('../internals/classof-raw');
var wellKnownSymbol = require('../internals/well-known-symbol');

var TO_STRING_TAG = wellKnownSymbol('toStringTag');
var Object = global.Object;

// ES3 wrong here
var CORRECT_ARGUMENTS = classofRaw(function () { return arguments; }()) == 'Arguments';

// fallback for IE11 Script Access Denied error
var tryGet = function (it, key) {
  try {
    return it[key];
  } catch (error) { /* empty */ }
};

// getting tag from ES6+ `Object.prototype.toString`
module.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {
  var O, tag, result;
  return it === undefined ? 'Undefined' : it === null ? 'Null'
    // @@toStringTag case
    : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag
    // builtinTag case
    : CORRECT_ARGUMENTS ? classofRaw(O)
    // ES3 arguments fallback
    : (result = classofRaw(O)) == 'Object' && isCallable(O.callee) ? 'Arguments' : result;
};

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