webpack-global-object-x/src/webpack-global-object-x.js

For use with webpack globalObject.

module.exports = function() {
  'use strict';

  var ObjectCtr = {}.constructor;
  var objectPrototype = ObjectCtr.prototype;
  var defineProperty = ObjectCtr.defineProperty;
  var $globalThis;
  var getGlobalFallback = function() {
    if (typeof self !== 'undefined') {
      return self;
    }

    if (typeof window !== 'undefined') {
      return window;
    }

    if (typeof global !== 'undefined') {
      return global;
    }

    return void 0;
  };

  var returnThis = function() {
    return this;
  };

  try {
    if (defineProperty) {
      defineProperty(objectPrototype, '$$globalThis$$', {
        get: returnThis,
        configurable: true
      });
    } else {
      objectPrototype.__defineGetter__('$$globalThis$$', returnThis);
    }

    $globalThis = typeof $$globalThis$$ === 'undefined' ? getGlobalFallback() : $$globalThis$$;

    delete objectPrototype.$$globalThis$$;

    return $globalThis;
  } catch (error) {
    return getGlobalFallback();
  }
};