48 lines
1.4 KiB
TypeScript
48 lines
1.4 KiB
TypeScript
import { ExclamationCircleOutlined } from '@ant-design/icons';
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import { t } from '@lingui/macro';
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import { Modal } from 'antd';
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import { ANT_PREFIX_CLASS } from 'consts';
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import React, { useEffect, useRef, useState } from 'react';
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import { unstable_useBlocker as useBlocker } from 'react-router-dom';
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function FormBlocker({ block }) {
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const [isBlocking, setIsBlocking] = useState(false);
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const [hasShownModal, setHasShownModal] = useState(false); // prevent multiple modals from showing
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const nextLocationRef = useRef(null);
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useBlocker((transition) => {
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if (block) {
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setIsBlocking(true);
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nextLocationRef.current = transition.nextLocation;
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setHasShownModal(false);
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return !isBlocking;
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}
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return false;
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});
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useEffect(() => {
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if (isBlocking && !hasShownModal) {
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setHasShownModal(true);
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Modal.confirm({
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title: t`You have unsaved changes!`,
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content: t`Are you sure you want to leave without saving?`,
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icon: <ExclamationCircleOutlined />,
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closable: true,
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prefixCls: ANT_PREFIX_CLASS,
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onOk() {
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setIsBlocking(true);
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window.location.href = nextLocationRef.current.pathname;
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},
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onCancel() {
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setIsBlocking(false);
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},
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});
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}
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}, [isBlocking, nextLocationRef, hasShownModal]);
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return <div key={block as unknown as React.Key}></div>;
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}
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export default FormBlocker;
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