get crap out of your twitter timeline. there'll be an extension eventually.

cleaner_twitter_notifications.js

var toggle_a = '<li><a href="#"><span class="Icon Icon Icon--retweeted Icon--large"></span><span id="';
var toggle_b = '" class="text">hide</span></a></li>';
var hide_junk_div = $(toggle_a + 'hide_junk_button_text'+toggle_b);
var hide_rt_div = $(toggle_a + 'hidert_button_txt'+toggle_b);


(function() {


	var rt = ".js-activity-retweet";
	var rt_quote = ".js-activity-quote"
	var rt_mention = ".js-activity-retweeted_mention"
	var response = ".js-activity-mention"
	var like = ".js-activity-favorite"
	var rt_liked = ".js-activity-favorited_retweet"
	var liked_mention=".stream-item-favorited_mention"
	var rt_rt =".js-activity-retweeted_retweet"
	var rt_mention=".js-activity-retweeted_mention"

	var ignore = [like, rt,  rt_liked, liked_mention, rt_rt, rt_mention].join(", ")
	var objType = ["retweet", "quote", "retweeted_mention", "mention", "favorite"]




	var junk_visible = true;
	var retweets_visible = true;


	function hide_likes() {
		var retweets = $(ignore).filter(':visible');
		retweets.hide();
		retweets.parents('.expanded-conversation').hide();
		console.log('foo');
		junk_visible = false;
	}

	function hide_retweets() {
		var retweets = $('.js-retweet-text').parent().parent().parent().filter(':visible');
		retweets.hide();
		retweets.parents('.expanded-conversation').hide();
		console.log('foo');
		retweets_visible = false;
	}



	// select the target node
	//var observer_target = document.querySelector('#stream-items-id');
	var page_container = document.querySelector('#page-container');

	// create an observer instance
	var observer = new MutationObserver(function(mutations) {
		//console.log('observer fired, junk_visible=', junk_visible);
		if (!junk_visible) {
			hide_likes();
		}
	});

	// configuration of the observer:
	var observer_config = { attributes: false, childList: true, characterData: false, subtree:true };
	observer.observe(page_container, observer_config);



	$(hide_junk_div).click(function() {
		//console.log('toggling retweets');
		if (junk_visible) {
			hide_likes();
			$('#hide_junk_button_text').text('show');
			//observer.observe(page_container, observer_config);
		} else {
			//observer.disconnect();
			var retweets = $(ignore);
			retweets.show();
			retweets.parents('.expanded-conversation').show();
			$('#hide_junk_button_text').text('hide');
			junk_visible = true;
		}
	});

	$(hide_rt_div).click(function() {
		//console.log('toggling retweets');
		if (retweets_visible) {
			hide_retweets();
			$('#hidert_button_txt').text('show');
			//observer.observe(page_container, observer_config);
		} else {
			//observer.disconnect();
			var retweets = $('.js-retweet-text').parent().parent().parent();
			retweets.show();
			retweets.parents('.expanded-conversation').show();
			$('#hidert_button_txt').text('hide');
			retweets_visible = true;
		}
	});



	var nav_bar = $('#global-nav-home').parent();
	$(nav_bar).find('.topics').hide();   //hide the discover button and replace with hide_junk_div

	if (window.location.href.match('notifications')){
		$(nav_bar).append(hide_junk_div);      //show the hide retweets button
		$(hide_junk_div).click()
	}else{
		$(nav_bar).append(hide_rt_div);      //show the hide retweets button
	}


})();