Miniflux automatically refresh feeds

Automatically refreshes Miniflux feeds
当前为 2023-04-26 提交的版本，查看最新版本。
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// ==UserScript==
// @name         Miniflux automatically refresh feeds
// @namespace    https://reader.miniflux.app/
// @version      3
// @description  Automatically refreshes Miniflux feeds
// @author       Tehhund
// @match        *://*.miniflux.app/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=miniflux.app
// @grant        none
// 
// ==/UserScript==

const apiKey = '';
const rateLimit = 300000; // time in miliseconds that must pass before it refreshes the feeds. 3600000 = 1 hour. 300000 = 5 minutes.

const refreshFeeds = async () => {
  if (await shouldUpdate()) {
    console.log('Miniflux: Time to refresh');
    let req = await fetch('https://reader.miniflux.app/v1/feeds/refresh', {
      method: "PUT",
      headers: {
        'X-Auth-Token': apiKey
      }
    });
    let res = await req;
    if (res.status == 204) { console.log('Successfully started refresh on all feeds.'); } else { console.log('Error, Miniflux did not return a 204 status.'); }
  } else { console.log('Miniflux: Not time to refresh yet.'); }
}

const shouldUpdate = async () => {
  let shouldUpdate = false;
  let jsTime = getLastUpdateTime();
  let now = new Date().getTime();
  let difference = now - jsTime; // JS stores time like Unix but miliseconds since January 01, 1970 00:00:00 UTC instead of seconds, so this subtracts miliseconds from miliseconds.
  if (difference > rateLimit) { shouldUpdate = true; }
  return shouldUpdate;
}

const getLastUpdateTime = async () => {
  // Try to get time from localstorage.
  let earliestTime = localStorage.getItem('lastRefreshTime');
  // If it's not in localstorage, get time from feeds and store the earliest time.
  if (earliestTime == null) {
    let req = await fetch('https://reader.miniflux.app/v1/feeds', { headers: { 'X-Auth-Token': apiKey } });
    let res = JSON.parse(await req.text());
    let timesArray = res.map(currentFeed => Date.parse(currentFeed.checked_at)); // returns an array of each feed's checked_at.
    earliestTime = Math.min(...timesArray); // Instead of comparing in a For loop, let Math.min return the lowest value which is the earliest time.
    localStorage.setItem('lastRefreshTime', earliestTime);
  } else { console.log('lastRefreshTime was in localStorage: ' + earliestTime);}
  return earliestTime;
}

// run once when the page is loaded.
refreshFeeds();