reachy-reachable-url/lib/index.js

Drop in replacement for reachable-url in deno env using reachy-url

import { parse } from "url";
import http from "http";
import https from "https";
const isReachableUrl = (url, timeout = 2000, requestOptions)=>{
    return new Promise((resolve, reject)=>{
        const { host , protocol , pathname  } = parse(url);
        if (!host) {
            reject({
                statusCode: 500
            });
        }
        const isHttps = protocol === "https:";
        const options = {
            host,
            timeout,
            method: "HEAD",
            path: pathname,
            port: isHttps ? 443 : 80,
            ...requestOptions
        };
        const network = isHttps ? https : http;
        const req = network.request(options, (res)=>{
            const { headers ,  } = res;
            const statusCode = res.statusCode ?? 404;
            const isStatusOk = statusCode < 400;
            if (isStatusOk) {
                return resolve({
                    statusCode: res.statusCode,
                    headers
                });
            }
            resolve({
                statusCode: 500
            });
        });
        req.end();
        req.on("timeout", ()=>{
            resolve({
                statusCode: 500
            });
        });
        req.on("error", (err)=>{
            resolve({
                statusCode: 500
            });
        });
    });
};
export default isReachableUrl;
isReachableUrl.isReachable = ({ statusCode  })=>statusCode >= 200 && statusCode < 400;