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import useSWR from 'swr';
import {
type FetchCommentsListInput,
buildCommentsTree,
convertWPCommentToComment,
fetchCommentsList,
} from '../../../services/graphql';
import type { Maybe, SingleComment, WPComment } from '../../../types';
export type UseCommentsReturn<T extends Maybe<WPComment[]>> = {
comments: T extends undefined ? Maybe<SingleComment[]> : SingleComment[];
isError: boolean;
isLoading: boolean;
isValidating: boolean;
};
export type UseCommentsConfig<T extends Maybe<WPComment[]>> =
FetchCommentsListInput & {
fallback?: T;
};
export const useComments = <T extends Maybe<WPComment[]>>({
fallback,
...input
}: UseCommentsConfig<T>): UseCommentsReturn<T> => {
const { data, error, isLoading, isValidating } = useSWR(
input,
fetchCommentsList,
{ fallbackData: fallback }
);
if (error) console.error(error);
return {
comments: data
? buildCommentsTree(data.map(convertWPCommentToComment))
: undefined,
isError: !!error,
isLoading: isLoading && !data,
isValidating,
} as UseCommentsReturn<T>;
};
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