Hiding recoubs, mutes, non-hd, a.webm, vines and others coubs.

freshly_squeezed_coubs.js

// ==UserScript==
// @name         FRESHLY SQUEEZED COUBS
// @namespace    https://holofox.ru/
// @version      1.0
// @description  Hiding recoubs, mutes, non-hd, a.webm, vines and others coubs.
// @author       Holofox
// @match        *://coub.com/community/*
// @grant        none
// ==/UserScript==
// @require http://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js

(function($, undefined) {
    $(function() {

        const coubsSelector = '.coubs-list';

        /* Author @BrockA */
        function waitForKeyElements(selectorTxt, actionFunction, bWaitOnce, iframeSelector) {
            var targetNodes, btargetsFound;

            if (typeof iframeSelector == "undefined") {
                targetNodes = $(selectorTxt);
            } else {
                targetNodes = $(iframeSelector).contents()
                    .find(selectorTxt);
            }

            if (targetNodes && targetNodes.length > 0) {
                btargetsFound = true;

                targetNodes.each(function() {
                    var jThis = $(this);
                    var alreadyFound = jThis.data('alreadyFound') || false;

                    if (!alreadyFound) {
                        //--- Call the payload function.
                        var cancelFound = actionFunction(jThis);
                        if (cancelFound) {
                            btargetsFound = false;
                        } else {
                            jThis.data('alreadyFound', true);
                        }
                    }
                });
            } else {
                btargetsFound = false;
            }

            //--- Get the timer-control variable for this selector.
            var controlObj = waitForKeyElements.controlObj || {};
            var controlKey = selectorTxt.replace(/[^\w]/g, "_");
            var timeControl = controlObj[controlKey];

            //--- Now set or clear the timer as appropriate.
            if (btargetsFound && bWaitOnce && timeControl) {
                clearInterval(timeControl);
                delete controlObj[controlKey];
            } else {
                if (!timeControl) {
                    timeControl = setInterval(function() {
                        waitForKeyElements(selectorTxt, actionFunction, bWaitOnce, iframeSelector);
                    }, 300);
                    controlObj[controlKey] = timeControl;
                }
            }
            waitForKeyElements.controlObj = controlObj;
        }

        function contentCallbackFunction(jNode) {
            const masonrySelector = '.coubs-list__inner.masonry';
            const dataSelector = '.page:last-child .coub.coub .coub__inner .coub__vd .coub__viewer .viewer .contents .data';

            //--- Hide content
            function hideContent(content) {
                var elements = document.querySelectorAll(content);
                $(elements).fadeTo(1000, 0.1);
            }

            //--- Tag Filtering
            function filterTag(tags) {
                return tags.map(a => a.title);
            }

            //--- Find matches
            function containsAny(str, substrings) {
                for (var i = 0; i != str.length; i++){
                    for (var j = 0; j != substrings.length; j++) {
                        var substring = substrings[j];
                        if (str[i].indexOf(substring) != - 1) {
                            return substring;
                        }
                    }
                }
                return null;
            }

            //--- Returns an array with the ratio
            function ratio(val, lim) {
                var lower = [0, 1];
                var upper = [1, 0];
                while (true) {
                    var mediant = [lower[0] + upper[0], lower[1] + upper[1]];
                    if (val * mediant[1] > mediant[0]) {
                        if (lim < mediant[1]) {
                            return upper;
                        }
                        lower = mediant;
                    } else if (val * mediant[1] == mediant[0]) {
                        if (lim >= mediant[1]) {
                            return mediant;
                        }
                        if (lower[1] < upper[1]) {
                            return lower;
                        }
                        return upper;
                    } else {
                        if (lim < mediant[1]) {
                            return lower;
                        }
                        upper = mediant;
                    }
                }
            }

            //--- Check coubs
            function checkCoubs(nodes) {
                var list = [];
                let filter = ['a.webm','anime.webm','anime mix','vines','nightcore','моменты из аниме','приколы'];
                let formats = [[5,4],[4,5],[3,2],[7,5],[14,25],[34,23],[37,24],[55,43],[17,18],[33,34],[22,23],[45,32],[44,31]];
                let coubs = document.querySelectorAll(nodes);

                coubs.forEach(function(coub) {
                    var jsonData;

                    try {
                        jsonData = JSON.parse(coub.innerText);
                    } catch (e) {
                        console.log(e.message);
                    }

                    let format = ratio(jsonData.size[0] / jsonData.size[1], 50);
                    let fileVersion = jsonData.file_versions.html5;
                    let tags = jsonData.tags;
                    let mediaBlocks = jsonData.media_blocks;
                    let externalVideos = mediaBlocks.external_raw_videos;

                    if (!fileVersion.video.high || !fileVersion.audio || !tags.length || [format].map(a => formats.findIndex(b => a.every((v, i) => v === b[i]))) != -1 ||
                        mediaBlocks.remixed_from_coubs.length || jsonData.audio_copyright_claim !== null || containsAny(tags.map(tag => tag.title), filter) ||
                        (externalVideos.length && containsAny([externalVideos[0].title.toLowerCase()], filter))) {
                        //--- Add coub to list to hide
                        list.push('[data-id="' + jsonData.id + '"]');
                        // console.log('Coub «'+jsonData.title+'» has been hided');
                    }
                });

                if (list.length) {
                    hideContent(list.join(','), true);
                }
            }

            //--- Notify observer of adding new coubs
            function addObserverIfDesiredNodeAvailable() {
                var observer = new MutationObserver(function(mutations) {
                    mutations.forEach(function(mutation) {
                        if (mutation.type == 'childList') {
                            checkCoubs(coubsSelector + ' ' + masonrySelector + ' ' + dataSelector);
                        }
                    });
                });
                var targetNode = document.querySelector(coubsSelector + ' ' + masonrySelector);
                if(!targetNode) {
                    window.setTimeout(addObserverIfDesiredNodeAvailable, 500);
                    return;
                }
                var observerConfig = {
                    childList: true
                };

                observer.observe(targetNode, observerConfig);
            }

            addObserverIfDesiredNodeAvailable();
        }

        waitForKeyElements(coubsSelector, contentCallbackFunction);
    });
})(window.jQuery.noConflict(true));

The most useful script that I only saw in my life. Thanks Holofox.