Animated modal in React using – onAnimationEnd
12.08.2023
In this component, when creating an animation, onAnimationEnd is applied, as in this case. onAnimationEnd is the handler for the animationEnd event, which is called when the element’s CSS animation ends. This component does not use third party libraries for animation and when the modal window is closed, it is not in the DOM.
App.jsx
import { useState } from "react";
import Modal from "./components/modal";
function App() {
const [showModal, setShowModal] = useState(false);
return (
<div className="App">
<button
onClick={() => {
setShowModal(true);
}}
className={"button"}
>
Open modal
</button>
<Modal buttonShowModal={showModal} setButtonShowModal={setShowModal} />
</div>
);
}
export default App;
index.jsx (modal)
import styles from "./modal.module.css";
import { useState, useEffect, useRef } from "react";
import Close from "../svg/Icon/Close";
import Horse from "../svg/Drawing/Horse";
export default function Modal({ buttonShowModal, setButtonShowModal }) {
const [showModal, setShowModal] = useState(false);
useEffect(() => {
if (buttonShowModal) {
setShowModal(true);
}
}, [buttonShowModal]);
const [fadeOut, setFadeOut] = useState(false);
// Click tracking outside the modal
const modalRef = useRef();
useEffect(() => {
if (modalRef.current) {
const handler = (e) => {
if (!modalRef.current.contains(e.target)) {
setFadeOut(true);
}
};
document.addEventListener("mousedown", handler);
return () => {
document.removeEventListener("mousedown", handler);
};
}
});
return (
<>
{showModal && (
<div
className={
fadeOut
? `${styles.modal_wrap} ${styles.modal_wrap__fade_out}`
: `${styles.modal_wrap}`
}
onAnimationEnd={(e) => {
if (e.animationName === styles.fadeOut) {
setFadeOut(false);
}
}}
>
<div
ref={modalRef}
className={
fadeOut
? `${styles.modal} ${styles.modal__fade_out}`
: `${styles.modal}`
}
onAnimationEnd={(e) => {
if (e.animationName === styles.fadeOut) {
setShowModal(false);
setFadeOut(false);
setButtonShowModal(false);
}
}}
>
<Horse />
<div
onClick={() => {
setFadeOut(true);
setButtonShowModal(false);
}}
className={styles.close_button}
>
<Close />
</div>
</div>
</div>
)}
</>
);
}
modal.module.css
.modal_wrap {
display: flex;
justify-content: center;
align-items: center;
background: rgba(0, 0, 0, 0.069);
position: fixed;
width: 100%;
height: 100%;
animation: fadeInModalWrap 0.5s forwards;
opacity: 0;
left: 0;
top: 0;
}
.modal_wrap__fade_out {
animation: fadeOut 0.5s forwards;
opacity: 1;
}
@keyframes fadeInModalWrap {
from {
opacity: 0;
}
to {
opacity: 1;
}
}
@keyframes fadeOut {
from {
opacity: 1;
}
to {
opacity: 0;
}
}
.modal {
width: 100%;
max-width: 260px;
display: flex;
justify-content: center;
align-items: center;
height: 250px;
border-radius: 5px;
position: relative;
animation: fadeInModal 0.8s forwards;
background-color: rgb(255, 255, 255);
margin-right: 15px;
margin-left: 15px;
}
.modal__fade_out {
animation: fadeOut 0.5s forwards;
}
@keyframes fadeInModal {
from {
opacity: 0;
}
to {
opacity: 1;
}
}
.close_button {
position: absolute;
right: 5px;
top: 5px;
border: 2px solid rgb(90, 90, 90);
cursor: pointer;
border-radius: 3px;
}
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