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dndbeyond_src/ddb_main/hooks/useErrorHandling/useMaxLengthErrorHandling.tsx
T

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TypeScript

import { HTMLAttributes, JSX } from "react";
import { useErrorHandling } from "./useErrorHandling";
export interface MaxLengthErrorHandler {
handleMaxLengthErrorMsg: (value: string) => void;
hideError: () => void;
MaxLengthErrorMessage: () => JSX.Element;
}
export const useMaxLengthErrorHandling = (
initialState: boolean,
maxLength: number | null,
errMsg: string = "",
errorMessageAttributes?: HTMLAttributes<HTMLDivElement>
): MaxLengthErrorHandler => {
errMsg ||= `The max length is ${maxLength} characters.`;
const { showError, setShowError, ErrorMessage } = useErrorHandling(
initialState,
errMsg,
errorMessageAttributes
);
const handleMaxLengthErrorMsg = (value: string): void => {
if (!maxLength) {
// Skip if maxLength is 0 or not set.
return;
}
const isTooLong = (value?.length ?? 0) >= (maxLength ?? 0);
if (isTooLong !== showError) {
setShowError(isTooLong);
}
};
const hideError = () => {
setShowError(false);
};
const MaxLengthErrorMessage = (): JSX.Element =>
showError && errMsg ? <ErrorMessage /> : <></>;
return {
handleMaxLengthErrorMsg,
MaxLengthErrorMessage,
hideError,
};
};