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var eq = require('./eq');
/** 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;}
module.exports = customDefaultsAssignIn;