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Andrew Clark 66eb293742 Restrict effect return type to a function or nothing (#14119 )

* Restrict effect return type to a function or nothing

We already warn in dev if the wrong type is returned. This updates the
Flow type.

* Restrict return type further

* Assume Effect hook returns either a function or undefined

* Tweak warning message

2019-01-31 10:11:47 -08:00

npm

Use Yarn Workspaces (#11252 )

2017-10-19 00:22:21 +01:00

src

Restrict effect return type to a function or nothing (#14119 )

2019-01-31 10:11:47 -08:00

index.js

Drop the year from Facebook copyright headers and the LICENSE file. (#13593 )

2018-09-07 15:11:23 -07:00

package.json

Add directory details to the package.json of all packages (#14628 )

2019-01-18 20:21:12 +00:00

README.md

Update react-dom README

2018-09-06 15:27:06 +01:00

README.md

`react`

React is a JavaScript library for creating user interfaces.

The react package contains only the functionality necessary to define React components. It is typically used together with a React renderer like react-dom for the web, or react-native for the native environments.

Note: by default, React will be in development mode. The development version includes extra warnings about common mistakes, whereas the production version includes extra performance optimizations and strips all error messages. Don't forget to use the production build when deploying your application.

Example Usage

var React = require('react');