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by acemarke
3227 days ago
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React doesn't do any "compiling". It simply takes the JS object tree that _you_ generated in your component's render function, and works from there. So yes, if you are declaring object literals in your render method, that will be a new object each time the component re-renders. If you know that a given style object is never going to change, you can hoist it out of your component's render method into the module scope yourself. |
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https://babeljs.io/docs/plugins/transform-react-constant-ele...