Answers for "how to simulate component did mount with react hooks"

1

componentdidmount in hooks

useEffect(() => {
  // Your code here
}, []);
Posted by: Guest on December-15-2020
0

componentdidmount functional hook

import { useState, useEffect } from 'react';

function getWindowDimensions() {
  const { innerWidth: width, innerHeight: height } = window;
  return {
    width,
    height
  };
}

export default function useWindowDimensions() {
  const [windowDimensions, setWindowDimensions] = useState(getWindowDimensions());

  useEffect(() => {
    function handleResize() {
      setWindowDimensions(getWindowDimensions());
    }

    window.addEventListener('resize', handleResize);
    return () => window.removeEventListener('resize', handleResize);
  }, []);

  return windowDimensions;
}
Posted by: Guest on November-29-2019

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