answer/ui/src/hooks/usePrompt/index.tsx

41 lines
970 B
TypeScript

import { useCallback } from 'react';
import {
useBeforeUnload,
unstable_usePrompt as usePrompt,
} from 'react-router-dom';
import { useTranslation } from 'react-i18next';
// https://gist.github.com/chaance/2f3c14ec2351a175024f62fd6ba64aa6
// The link above is an example of implementing usePrompt with useBlocker.
interface PromptProps {
when: boolean;
beforeUnload?: boolean;
}
const usePromptWithUnload = ({
when = false,
beforeUnload = true,
}: PromptProps) => {
const { t } = useTranslation('translation', { keyPrefix: 'prompt' });
usePrompt({
when,
message: `${t('leave_page')} ${t('changes_not_save')}`,
});
useBeforeUnload(
useCallback(
(event) => {
if (beforeUnload && when) {
const msg = t('changes_not_save');
event.preventDefault();
event.returnValue = msg;
}
},
[when, beforeUnload],
),
{ capture: true },
);
};
export default usePromptWithUnload;