Turn flow type annotations into comments.
When using this plugin, you might want to also blacklist the flow transformer to preserve the /* @flow */ directive.
http://flowtype.org/blog/2015/02/20/Flow-Comments.html
In
function foo(bar?) {}
function foo2(bar?: string) {}
function foo(x: number): string {}
type B = {
name: string;
};
export type GraphQLFormattedError = number;
import type A, { B, C } from './types';
import typeof D, { E, F } from './types';Out
"use strict";
function foo(bar /*:: ?*/) {}
function foo2(bar /*:: ?: string*/) {}
function foo(x /*: number*/) /*: string*/ {}
/*:: type B = {
name: string;
};*/
/*:: export type GraphQLFormattedError = number;*/
/*:: import type A, { B, C } from './types';*/
/*:: import typeof D, { E, F } from './types';*/$ npm install babel-plugin-flow-comments.babelrc
{
"plugins": ["flow-comments"],
"blacklist": ["flow"]
}$ babel --plugins flow-comments --blacklist flow script.jsrequire("babel-core").transform("code", {
plugins: ["flow-comments"],
blacklist: ["flow"]
});
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