leumas-private-shared/src/Components/Backgrounds/Fireflies.jsx

Private React JSX Package For Leumas Shared Components, Headers, Footers, Asides, Login Pages, API Key Manager and much more. Styles and everything reusable to avoid DRY code across all of our subdomains

import React, { useEffect } from 'react';
import { styled, keyframes } from '@mui/system';

const fireflyBlink = keyframes`
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
`;

const FirefliesWrapper = styled('div')`
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: #0e0e0e;
  overflow: hidden;
`;

const Firefly = styled('div')`
  position: absolute;
  width: 4px;
  height: 4px;
  background: yellow;
  border-radius: 50%;
  animation: ${fireflyBlink} 1s infinite ease-in-out;
`;

const FirefliesBackground = ({ children }) => {
  useEffect(() => {
    const firefliesWrapper = document.getElementById('firefliesWrapper');
    for (let i = 0; i < 50; i++) {
      const firefly = document.createElement('div');
      firefly.className = Firefly.styledComponentId;
      firefly.style.top = `${Math.random() * 100}%`;
      firefly.style.left = `${Math.random() * 100}%`;
      firefly.style.animationDuration = `${Math.random() * 2 + 1}s`;
      firefliesWrapper.appendChild(firefly);
    }
  }, []);

  return <FirefliesWrapper id="firefliesWrapper">{children}</FirefliesWrapper>;
};

export default FirefliesBackground;