shlink-web-client/src/api/utils/index.ts

import { AxiosError } from 'axios';
import {
  ErrorTypeV2,
  ErrorTypeV3,
  InvalidArgumentError,
  InvalidShortUrlDeletion,
  ProblemDetailsError,
  RegularNotFound,
} from '../types/errors';

const isProblemDetails = (e: unknown): e is ProblemDetailsError =>
  !!e && typeof e === 'object' && Object.keys(e).every((key) => ['type', 'detail', 'title', 'status'].includes(key));

const isAxiosError = (e: unknown): e is AxiosError<ProblemDetailsError> => !!e && typeof e === 'object' && 'response' in e;

export const parseApiError = (e: unknown): ProblemDetailsError | undefined => {
  if (isProblemDetails(e)) {
    return e;
  }

  return (isAxiosError(e) ? e.response?.data : undefined);
};

export const isInvalidArgumentError = (error?: ProblemDetailsError): error is InvalidArgumentError =>
  error?.type === ErrorTypeV2.INVALID_ARGUMENT || error?.type === ErrorTypeV3.INVALID_ARGUMENT;

export const isInvalidDeletionError = (error?: ProblemDetailsError): error is InvalidShortUrlDeletion =>
  error?.type === 'INVALID_SHORTCODE_DELETION'
  || error?.type === ErrorTypeV2.INVALID_SHORT_URL_DELETION
  || error?.type === ErrorTypeV3.INVALID_SHORT_URL_DELETION;

export const isRegularNotFound = (error?: ProblemDetailsError): error is RegularNotFound =>
  (error?.type === ErrorTypeV2.NOT_FOUND || error?.type === ErrorTypeV3.NOT_FOUND) && error?.status === 404;