next/dist/esm/client/components/http-access-fallback/http-access-fallback.js

The React Framework

export const HTTPAccessErrorStatus = {
    NOT_FOUND: 404,
    FORBIDDEN: 403,
    UNAUTHORIZED: 401
};
const ALLOWED_CODES = new Set(Object.values(HTTPAccessErrorStatus));
export const HTTP_ERROR_FALLBACK_ERROR_CODE = 'NEXT_HTTP_ERROR_FALLBACK';
/**
 * Checks an error to determine if it's an error generated by
 * the HTTP navigation APIs `notFound()`, `forbidden()` or `unauthorized()`.
 *
 * @param error the error that may reference a HTTP access error
 * @returns true if the error is a HTTP access error
 */ export function isHTTPAccessFallbackError(error) {
    if (typeof error !== 'object' || error === null || !('digest' in error) || typeof error.digest !== 'string') {
        return false;
    }
    const [prefix, httpStatus] = error.digest.split(';');
    return prefix === HTTP_ERROR_FALLBACK_ERROR_CODE && ALLOWED_CODES.has(Number(httpStatus));
}
export function getAccessFallbackHTTPStatus(error) {
    const httpStatus = error.digest.split(';')[1];
    return Number(httpStatus);
}
export function getAccessFallbackErrorTypeByStatus(status) {
    switch(status){
        case 401:
            return 'unauthorized';
        case 403:
            return 'forbidden';
        case 404:
            return 'not-found';
        default:
            return;
    }
}

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