114 lines
2.4 KiB
JavaScript
114 lines
2.4 KiB
JavaScript
// @flow
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import React, { PureComponent, Fragment, type Element } from 'react';
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import { createPortal } from 'react-dom';
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import styled from 'styled-components';
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const ModalWrapper = styled.div`
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width: 100vw;
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height: 100vh;
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position: fixed;
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display: flex;
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align-items: center;
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justify-content: center;
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top: 0;
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left: 0;
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z-index: 10;
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background-color: rgba(0, 0, 0, 0.5);
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`;
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const ChildrenWrapper = styled.div`
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z-index: 90;
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`;
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type Props = {
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renderTrigger: (() => void) => Element<*>,
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children: (() => void) => Element<*>,
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closeOnBackdropClick?: boolean,
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closeOnEsc?: boolean,
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};
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type State = {
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isVisible: boolean,
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};
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const modalRoot = document.getElementById('modal-root');
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export class ModalComponent extends PureComponent<Props, State> {
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element = document.createElement('div');
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static defaultProps = {
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closeOnBackdropClick: true,
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closeOnEsc: true,
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};
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state = {
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isVisible: false,
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};
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componentDidMount() {
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const { closeOnEsc } = this.props;
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if (closeOnEsc) {
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window.addEventListener('keydown', this.handleEscPress);
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}
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}
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componentWillUnmount() {
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const { closeOnEsc } = this.props;
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if (closeOnEsc) {
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window.removeEventListener('keydown', this.handleEscPress);
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}
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}
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handleEscPress = (event: Object) => {
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const { isVisible } = this.state;
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if (event.key === 'Escape' && isVisible) {
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this.close();
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}
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};
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open = () => this.setState(
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() => ({ isVisible: true }),
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() => {
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if (modalRoot) modalRoot.appendChild(this.element);
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},
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);
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close = () => this.setState(
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() => ({ isVisible: false }),
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() => {
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if (modalRoot) modalRoot.removeChild(this.element);
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},
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);
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render() {
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const { renderTrigger, children, closeOnBackdropClick } = this.props;
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const { isVisible } = this.state;
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const toggleVisibility = isVisible ? this.close : this.open;
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return (
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<Fragment>
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{renderTrigger(toggleVisibility)}
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{!isVisible ? null : createPortal(
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<ModalWrapper
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id='modal-portal-wrapper'
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data-testid='Modal'
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onClick={(event) => {
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if (
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closeOnBackdropClick
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&& event.target.id === 'modal-portal-wrapper'
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) this.close();
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}}
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>
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<ChildrenWrapper>{children(toggleVisibility)}</ChildrenWrapper>
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</ModalWrapper>,
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this.element,
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)}
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</Fragment>
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);
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}
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}
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