Liferay.Loader.define('document-library-preview-image$lodash-es@4.17.15/_customDefaultsAssignIn', ['module', 'exports', 'require'], function (module, exports, require) {
  var define = undefined;
  var global = window;
  {
    import eq from './eq.js';

    /** Used for built-in method references. */
    var objectProto = Object.prototype;

    /** Used to check objects for own properties. */
    var hasOwnProperty = objectProto.hasOwnProperty;

    /**
     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
     * of source objects to the destination object for all destination properties
     * that resolve to `undefined`.
     *
     * @private
     * @param {*} objValue The destination value.
     * @param {*} srcValue The source value.
     * @param {string} key The key of the property to assign.
     * @param {Object} object The parent object of `objValue`.
     * @returns {*} Returns the value to assign.
     */
    function customDefaultsAssignIn(objValue, srcValue, key, object) {
      if (objValue === undefined || eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key)) {
        return srcValue;
      }
      return objValue;
    }

    export default customDefaultsAssignIn;
  }
});
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