# @babel/helper-optimise-call-expression > Helper function to optimise call expression See our website [@babel/helper-optimise-call-expression](https://babeljs.io/docs/babel-helper-optimise-call-expression) for more information. ## Install Using npm: ```sh npm install --save @babel/helper-optimise-call-expression ``` or using yarn: ```sh yarn add @babel/helper-optimise-call-expression ```