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