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react-use/docs/useRendersCount.md
Anton Zinovyev 30abe2b22e
feat: add useFirstMountState & useRendersCount hooks (#769) 
feat(useFirstMountState): hook to track if render is first;
feat(useRendersCount): hook to track renders count;
refactor(useUpdateEffect): now uses useFirstMountState hook;
refactor(usePreviousDistinct): now uses with useFirstMountState hook;
docs: update readme;
2019-11-23 15:14:35 +03:00

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useRendersCount

Tracks compontent's renders count including the first render.

Usage

import * as React from 'react';
import { useRendersCount } from "react-use";  

const Demo = () => {
  const update = useUpdate();
  const rendersCount = useRendersCount();

  return (
    <div>
      <span>Renders count: {rendersCount}</span>
      <br />
      <button onClick={update}>re-render</button>
    </div>
  );
};

Reference

const rendersCount: number = useRendersCount();