/** * Used by `_.defaults` to customize its `_.assign` use. * * @private * @param {*} objectValue The destination object property value. * @param {*} sourceValue The source object property value. * @returns {*} Returns the value to assign to the destination object. */functionassignDefaults(objectValue,sourceValue){returnobjectValue===undefined?sourceValue:objectValue;}module.exports=assignDefaults;