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import {
forwardRef,
useCallback,
useState,
type ForwardRefRenderFunction,
} from 'react';
import { useIntl } from 'react-intl';
import type { Nullable } from '../../../types';
import { Heading, List, ListItem, type ListProps } from '../../atoms';
import {
ApprovedComment,
type ApprovedCommentProps,
PendingComment,
ReplyCommentForm,
type ReplyCommentFormProps,
} from '../comment';
import styles from './comments-list.module.scss';
export type CommentData = Pick<
ApprovedCommentProps,
'author' | 'content' | 'id' | 'publicationDate'
> & {
isApproved: boolean;
replies?: CommentData[];
};
export type CommentsListProps = Omit<
ListProps<true, false>,
| 'children'
| 'hideMarker'
| 'isHierarchical'
| 'isInline'
| 'isOrdered'
| 'onSubmit'
| 'spacing'
> &
Pick<ReplyCommentFormProps, 'onSubmit'> & {
/**
* Should we forbid replies on comments when depth is not exceed?
*
* @default false
*/
areRepliesForbidden?: boolean;
/**
* The comments.
*/
comments: CommentData[];
/**
* A positive integer. When depth is set to `0`, replies are not used.
*
* @default 0
*/
depth?: number;
};
const CommentsListWithRef: ForwardRefRenderFunction<
HTMLOListElement,
CommentsListProps
> = (
{ areRepliesForbidden = false, comments, depth = 0, onSubmit, ...props },
ref
) => {
const [replyingTo, setReplyingTo] = useState<Nullable<number>>(null);
const intl = useIntl();
const toggleReply = useCallback((id: number) => {
setReplyingTo((prevId) => {
if (prevId === id) return null;
return id;
});
}, []);
const getComments = useCallback(
(data: CommentData[], currentDepth = 0) => {
const isLastLevel = depth === currentDepth;
return data.map(({ isApproved, replies, ...comment }) => {
const replyFormHeading = intl.formatMessage(
{
defaultMessage: 'Leave a reply to {name}',
description: 'CommentsList: comment form title',
id: 'c1Ju/q',
},
{ name: comment.author.name }
);
const replyBtnLabel =
replyingTo === comment.id
? intl.formatMessage({
defaultMessage: 'Cancel reply',
description: 'CommentsList: cancel reply button',
id: 'uZj4QI',
})
: intl.formatMessage({
defaultMessage: 'Reply',
description: 'CommentsList: reply button',
id: 'Qa9twM',
});
return (
<ListItem key={comment.id}>
{isApproved ? (
<>
<ApprovedComment
{...comment}
onReply={
isLastLevel || areRepliesForbidden ? undefined : toggleReply
}
replyBtn={
isLastLevel || areRepliesForbidden
? undefined
: replyBtnLabel
}
/>
{replyingTo === comment.id ? (
<ReplyCommentForm
className={styles.reply}
commentId={comment.id}
heading={<Heading level={2}>{replyFormHeading}</Heading>}
onSubmit={onSubmit}
/>
) : null}
{replies?.length && !isLastLevel ? (
<List
hideMarker
isOrdered
// eslint-disable-next-line react/jsx-no-literals
spacing="sm"
>
{getComments(replies, currentDepth + 1)}
</List>
) : null}
</>
) : (
<PendingComment />
)}
</ListItem>
);
});
},
[areRepliesForbidden, depth, intl, onSubmit, replyingTo, toggleReply]
);
return (
<List
{...props}
hideMarker
isOrdered
ref={ref}
// eslint-disable-next-line react/jsx-no-literals
spacing="sm"
>
{getComments(comments)}
</List>
);
};
/**
* CommentsList component
*
* Render a list of comments.
*/
export const CommentsList = forwardRef(CommentsListWithRef);
|
