babel/packages/babel-preset-flow

@babel/preset-flow

Babel preset for all Flow plugins.

This preset includes the following plugins:

• transform-flow-strip-types

Example

In

function foo(one: any, two: number, three?): string {}

Out

function foo(one, two, three) {}

Installation

npm install --save-dev @babel/preset-flow

Usage

Via .babelrc (Recommended)

.babelrc

{
  "presets": ["@babel/flow"]
}

Via CLI

babel --presets @babel/flow script.js

Via Node API

require("@babel/core").transform("code", {
  presets: ["@babel/flow"]
});