reddit-nuke-by-title-userscript.js

// ==UserScript==
// @name        Reddit Post Mute
// @namespace   Violentmonkey Scripts
// @match       https://www.reddit.com/*
// @grant       none
// @version     1.0
// @author      nar+github@remix.net
// @description 3/12/2024, 5:06:29 PM
// ==/UserScript==

(function () {

    // Make reddit posts with any one of these words in the title
    // disappear.
    //
    // Doesn't work in subreddits, only on main page? .. Better than nothing.

    title_regex = new RegExp('.*(Bitcoin|Etherium|Crypto).*', 'i');

    function handleMutations(mutationsList, observer) {
        mutationsList.forEach(mutation => {
            mutation.addedNodes.forEach(node => {
                if (node.nodeType === Node.ELEMENT_NODE && node.tagName.toLowerCase() == "article") {
                    title = node.getAttribute("aria-label");
                    //node.style.backgroundColor = "red";
                    if (title_regex.test(title)) {
                        //node.style.backgroundColor = 'yellow';
                        node.style.display = "none";
                    }
                }
            })
        })
    };
    // Nuke the nodes that existed when the page loaded
    const nodesSnapshot = document.evaluate(
        "//article",
        document,
        null,
        XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,
        null,
    );

    for (let i = 0; i < nodesSnapshot.snapshotLength; i++) {
        nodesSnapshot.snapshotItem(i).style.backgroundColor = 'green';
    }
    observer = new MutationObserver(handleMutations);
    main_div = document.querySelector("div > main.main");
    observer.observe(main_div, {
        childList: true,
        subtree: true
    });
})();