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import { Effects, ExpectedExports, ResultType } from "./types.ts";
export const checkWebUrl: (  url: string,) => (effects: Effects, duration: number) => Promise<ResultType<null | void>> =  (url) => {    return async (effects, duration) => {      await guardDurationAboveMinimum({ duration, minimumTime: 5000 });
      return await effects.fetch(url)        .then((_) => ok)        .catch((e) => {          effects.warn(`Error while fetching URL: ${url}`);          effects.error(JSON.stringify(e));          effects.error(e.toString());          return error(`Error while fetching URL: ${url}`);        });    };  };
// Ensure the starting duration is pass a minimumconst guardDurationAboveMinimum = (  input: { duration: number; minimumTime: number },) =>  (input.duration <= input.minimumTime)    ? Promise.reject(errorCode(60, "Starting"))    : null;
const errorCode = (code: number, error: string) => ({  "error-code": [code, error] as const,});const error = (error: string) => ({ error });const ok = { result: null };