Runs every 15 min
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import { email } from "https://esm.town/v/std/email?v=9";
import { fetch } from "https://esm.town/v/std/fetch";
export const isMyWebsiteDown = async () => {
const URL = "https://www.pcna.com/en-us/search/getsuggestions?query=0600-10";
const [date, time] = new Date().toISOString().split("T");
let ok = true;
let healthy = true;
let reason: string;
let responseData: string;
try {
const start = Date.now();
const res = await fetch(URL);
const millisecondsSpent = Date.now() - start;
const jsonData = await res.json();
responseData = JSON.stringify(jsonData, null, "\t");
if (res.status !== 200) {
reason = `(status code: ${res.status})`;
ok = false;
}
if (millisecondsSpent > 30000) {
reason = `(Too slow. Returned in ${millisecondsSpent})`;
healthy = false;
}
}
catch (e) {
reason = `couldn't fetch: ${e}`;
ok = false;
}
if (!ok) {
const subject = `Website down (${URL})`;
const body = `At ${date} ${time} (UTC), ${URL} was down (reason: ${reason}).`;
await email({ text: body, subject });
}
if (!healthy) {
const subject = `Website not healthy (${URL}) At ${date} ${time} (UTC)`;
const body = `reason: ${reason}). \n\r The response was \n\r ${responseData}</pre>.`;
await email({ text: body, subject });
}
};