# babel-preset-flow > Babel preset for all Flow plugins. This preset includes the following plugins: - [transform-flow-strip-types](https://babeljs.io/docs/plugins/transform-flow-strip-types/) ## Example **In** ```javascript function foo(one: any, two: number, three?): string {} ``` **Out** ```javascript function foo(one, two, three) {} ``` ## Installation ```sh npm install --save-dev babel-preset-flow ``` ## Usage ### Via `.babelrc` (Recommended) **.babelrc** ```json { "presets": ["flow"] } ``` ### Via CLI ```sh babel --presets flow script.js ``` ### Via Node API ```javascript require("babel-core").transform("code", { presets: ["flow"] }); ```