React Modal

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React Modal

// App.js
import React, { useState } from "react";
import "./styles.css";
import Modal from "./Modal";

export default function App() {
  const [isVisible, setVisible] = useState(false);
  return (
    <div className="App">
      <h1>React Modal</h1>
      <button onClick={()=>setVisible(true)}>Show Modal</button>
      <Modal
        isVisible={isVisible}
        title={"New Modal Title"}
        content={
          <p>
            This is modal content. We can write anything that we want to display
            in modal body.
          </p>
        }
        footer={<button onClick={() => setVisible(false)}>Cancel</button>}
        onClose={() => setVisible(false)}
      />
    </div>
  );
}

// Modal.js
import { useEffect } from "react";

const Modal = ({ isVisible, title, content, footer, onClose }) => {
  const keyDownHandler = ({ key }) => {
    switch (key) {
      case "Escape":
        onClose();
        break;
      default:
    }
  };

  useEffect(() => {
    document.addEventListener("keydown", keyDownHandler);
    return () => document.removeEventListener("keydown", keyDownHandler);
  });

  return isVisible ? (
    <div className="modal" onClick={onClose}>
      <div className="modal-dialog">
        <div className="modal-header">
          <h1>{title}</h1>
          <span className="modal-close" onClick={onClose}>
            &times;
          </span>
        </div>
        <div className="modal-body">
          <div className="modal-content">{content}</div>
        </div>

        {footer && (
          <div className="modal-footer">
            <p>{footer}</p>
          </div>
        )}
      </div>
    </div>
  ) : (
    <></>
  );
};

export default Modal;

/* styles.css */
.modal {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.25);
  animation-name: appear;
  animation-duration: 300ms;
}

.modal-dialog {
  width: 100%;
  max-width: 550px;
  background: white;
  position: relative;
  margin: 0 20px;
  max-height: calc(100vh - 40px);
  text-align: left;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  -webkit-animation-name: animatetop;
  -webkit-animation-duration: 0.4s;
  animation-name: slide-in;
  animation-duration: 0.5s;
}

.modal-header,
.modal-footer {
  display: flex;
  align-items: center;
  padding: 1rem;
}

.modal-header {
  border-bottom: 1px solid #dbdbdb;
  justify-content: space-between;
  height: 1vh;
  background-color: #3366cc;
  color: #fff;
}

.modal-footer {
  border-top: 1px solid #dbdbdb;
  justify-content: flex-end;
  height: 1vh;
  background-color: #3366cc;
}

.modal-close {
  cursor: pointer;
  padding: 1rem;
  margin: -1rem -1rem -1rem auto;
  font-size: 2rem;
}

.modal-body {
  overflow: auto;
}

.modal-content {
  padding: 0.5rem;
}