Facebook Filter

facebook_filter.user.js

// ==UserScript==
// @name           Facebook filter
// @namespace      iMerica
// @description    Hides Facebook posts you don't want to see.
// @include        http://www.facebook.com/*
// @include        https://www.facebook.com/*
// ==/UserScript==

// Install:
// Step 1: Install TamperMonkey
// Step 2: In Chrome, go to chrome://extensions/
// Step 3: Click on TamperMonkey options
// Step 4: Go to new user script tab.
// Step 5: Paste this script into it and save.

// Notes:
// To add more keywords to the blacklist, simply add 
// more elements to the blacklist array at the bottom of 
// this script.

// ToDo:
// - Convert this into a crx file that can be used by dragging into chrome.
// - Add a GUI
// - Make contains() case insensitve.

function contains(arr, value) {
    for (var i = arr.length - 1; i >= 0; i--) {
        if (value.search(arr[i]) >= 0) {
            return true;
        }
    }
    return false;
}

function hidePostsByKeywords(black_list) {
    var posts = document.getElementsByClassName('userContentWrapper');
    for (var i = posts.length - 1; i >= 0; i--) {
        if (contains(black_list, posts[i].innerText)) {
            posts[i].style.display = 'none';
        }		
    }

}

window.addEventListener("load", function() { hidePostsByKeywords(); }, false); }, false);
window.addEventListener("DOMNodeInserted", function() { hidePostsByKeywords(['Guns', 'Vaccines', 'Trump', 'Facebook Privacy', 'Global Warming']); }, false);