images predownload

predownload the images in web

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         images predownload
// @license      MIT
// @namespace    https://github.com/xgame-0/tamper-monkey-script
// @version      2026-03-31
// @description  predownload the images in web
// @author       xgame-0
// @match        *://hmjidi.com/*
// @include      /^https?:\/\/aman\d+\.(com|org)\//
// @include      /^https?:\/\/xman\d+\.com\//
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    const CONFIGS = [
        {
            regExp: /^(?:aman\d+\.(?:com|org)|xman\d+\.com)$/,
            attr: 'data-original',
        },
        {
            host: ['hmjidi.com'],
            attr: 'data-src',
        }
    ];

    function checkConfigHost(cfgHost) {
        const host = window.location.host;

        if (!Array.isArray(cfgHost)) {
            return !!cfgHost && host.includes(cfgHost);
        }

        return cfgHost.some(item => checkConfigHost(item));
    }

    function checkConfigRegExp(re) {
        const host = window.location.host;

        if (!Array.isArray(re)) {
            return !!re && re.test(host);
        }

        return re.some(item => checkConfigRegExp(item));
    }

    function getConfig() {
        return CONFIGS.filter(cfg => {
            if (cfg.host) return checkConfigHost(cfg.host);
            if (cfg.regExp) return checkConfigRegExp(cfg.regExp);
            return false;
        });
    }

    function predownloadImage(attrName) {
        const images = document.querySelectorAll('img');

        images.forEach((e) => {
            const attrValue = e.getAttribute(attrName);
            if (!attrValue) return;

            const img = new Image();
            img.src = attrValue;
        });
    }

    function main(ev) {
        console.log('event:', ev);
        const cfgs = getConfig();
        console.log('host:', window.location.host, 'cfgs:', cfgs);

        cfgs.forEach(cfg => {
            predownloadImage(cfg.attr);
        });
    }

    if (['complete', 'interactive'].includes(document.readyState)) {
        main();
    } else {
        window.addEventListener('DOMContentLoaded', main, { once: true });
        window.addEventListener('load', main, { once: true });
    }
})();