TrinityRingsSpinner.js

import React from 'react';
import PropTypes from 'prop-types';
import styled from 'styled-components';

const Trinity = styled.div`
  height: ${(props) => props.size}px;
  width: ${(props) => props.size}px;
  padding: 3px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
  overflow: hidden;
  box-sizing: border-box;

  * {
    box-sizing: border-box;
  }

  .circle {
    position: absolute;
    display: block;
    border-radius: 50%;
    border: 3px solid ${(props) => props.color};
    opacity: 1;
  }
  .circle:nth-child(1) {
    height: ${(props) => props.outerWidth}px;
    width: ${(props) => props.outerWidth}px;
    animation: trinity-rings-spinner-circle1-animation
      ${(props) => props.animationDuration}ms infinite linear;
    border-width: 3px;
  }
  .circle:nth-child(2) {
    height: calc(${(props) => props.outerWidth}px * 0.65);
    width: calc(${(props) => props.outerWidth}px * 0.65);
    animation: trinity-rings-spinner-circle2-animation
      ${(props) => props.animationDuration}ms infinite linear;
    border-width: 2px;
  }
  .circle:nth-child(3) {
    height: calc(${(props) => props.outerWidth}px * 0.1);
    width: calc(${(props) => props.outerWidth}px * 0.1);
    animation: trinity-rings-spinner-circle3-animation
      ${(props) => props.animationDuration}ms infinite linear;
    border-width: 1px;
  }
  @keyframes trinity-rings-spinner-circle1-animation {
    0% {
      transform: rotateZ(20deg) rotateY(0deg);
    }
    100% {
      transform: rotateZ(100deg) rotateY(360deg);
    }
  }
  @keyframes trinity-rings-spinner-circle2-animation {
    0% {
      transform: rotateZ(100deg) rotateX(0deg);
    }
    100% {
      transform: rotateZ(0deg) rotateX(360deg);
    }
  }
  @keyframes trinity-rings-spinner-circle3-animation {
    0% {
      transform: rotateZ(100deg) rotateX(-360deg);
    }
    100% {
      transform: rotateZ(-360deg) rotateX(360deg);
    }
  }
`;

const propTypes = {
  size: PropTypes.number,
  animationDuration: PropTypes.number,
  color: PropTypes.string,
  className: PropTypes.string,
  style: PropTypes.object,
};

const TrinityRingsSpinner = ({
  size = 66,
  color = '#fff',
  animationDuration = 1500,
  className = '',
  style,
  ...props
}) => {
  const containerPadding = 3;
  const outerWidth = size - containerPadding * 2;

  return (
    <Trinity
      size={size}
      color={color}
      animationDuration={animationDuration}
      className={`trinity-rings-spinner${className ? ' ' + className : ''}`}
      style={style}
      outerWidth={outerWidth}
      {...props}
    >
      <div className="circle circle1" />
      <div className="circle circle2" />
      <div className="circle circle3" />
    </Trinity>
  );
};

TrinityRingsSpinner.propTypes = propTypes;

export default TrinityRingsSpinner;