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* Support concurrent primary and secondary renderers. As a workaround to support multiple concurrent renderers, we categorize some renderers as primary and others as secondary. We only expect there to be two concurrent renderers at most: React Native (primary) and Fabric (secondary); React DOM (primary) and React ART (secondary). Secondary renderers store their context values on separate fields. * Add back concurrent renderer warning Only warn for two concurrent primary or two concurrent secondary renderers. * Change "_secondary" suffix to "2" #EveryBitCounts
react
An npm package to get you immediate access to React,
without also requiring the JSX transformer. This is especially useful for cases where you
want to browserify your module using
React.
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.
To use React in production mode, set the environment variable NODE_ENV to production. A minifier that performs dead-code elimination such as UglifyJS is recommended to completely remove the extra code present in development mode.
Example Usage
var React = require('react');