Toggle non-media tweets on and off on the home timeline, for the power-viewer!
As of
// ==UserScript==
// @name Twitter media-only filter toggle.
// @version 0.12
// @description Toggle non-media tweets on and off on the home timeline, for the power-viewer!
// @author Cro
// @match https://twitter.com/*
// @run-at document-idle
// @grant GM_setValue
// @grant GM_getValue
// @namespace https://greatest.deepsurf.us/users/10865
// @icon https://www.google.com/s2/favicons?domain=twitter.com
// @license MIT
// ==/UserScript==
/* jshint esversion: 6 */
(function() {
'use strict';
let storage_key = "cro-media-toggle";
let show_all = GM_getValue(storage_key);
let has_photo = node => node.querySelector('[data-testid="tweetPhoto"]');
let has_video = node => node.querySelector('[data-testid="videoPlayer"]');
let has_card_media = node => node.querySelector('[data-testid*="media"]');
let has_media = node => [has_photo, has_video, has_card_media].some(f => f(node));
let get_target_parent = node => node.parentNode.parentNode.parentNode;
let for_each_article = func => void document.body.querySelectorAll("article").forEach(func);
let set_article_state = node => void(get_target_parent(node).style.display = show_all || has_media(node) ? "block" : "none");
let set_all_article_states = () => void for_each_article(set_article_state);
let create_ui = function(target)
{
let button = document.createElement("button");
let set_button_state = () => { button.innerText = show_all ? "Showing all home tweets" : "Showing only media home tweets"; };
button.onclick = function(event)
{
show_all = !show_all;
GM_setValue(storage_key, show_all);
set_button_state();
};
target.prepend(button);
set_button_state();
};
let start_process = function()
{
setInterval(function()
{
if (location.pathname == "/home")
{
set_all_article_states();
}
});
};
// Wait for twitter's react crap finish loading things.
let scan_interval = setInterval(function()
{
let target = document.body.querySelector("h1[role='heading']");
if (target)
{
clearInterval(scan_interval);
start_process(target);
create_ui(target);
}
}, 10);
})();