Github News Feed Filter

Add filters for Github homepage news feed items

Fra 29.05.2014. Se den seneste versjonen.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Github News Feed Filter
// @namespace   https://github.com/jerone/UserScripts
// @description Add filters for Github homepage news feed items
// @author      jerone
// @copyright   2014+, jerone (http://jeroenvanwarmerdam.nl)
// @license     GNU GPLv3
// @homepage    https://github.com/jerone/UserScripts/tree/master/Github_News_Feed_Filter
// @homepageURL https://github.com/jerone/UserScripts/tree/master/Github_News_Feed_Filter
// @include     https://github.com/
// @include     https://github.com/orgs/*/dashboard
// @include     https://github.com/*?tab=activity
// @version     5.1
// @grant       none
// ==/UserScript==
/* global unsafeWindow,Event */

(function() {

	var FILTERS = [
		{ text: "All News Feed", icon: "octicon-radio-tower", classNames: ["*"] },
		{
			text: "Issues", icon: "octicon-issue-opened", classNames: ["issues_opened", "issues_closed", "issues_reopened", "issues_comment"], subFilters: [
				{ text: "Opened", icon: "octicon-issue-opened", classNames: ["issues_opened"] },
				{ text: "Closed", icon: "octicon-issue-closed", classNames: ["issues_closed"] },
				{ text: "Reopened", icon: "octicon-issue-reopened", classNames: ["issues_reopened"] },
				{ text: "Comments", icon: "octicon-comment-discussion", classNames: ["issues_comment"] }
			]
		},
		{
			text: "Commits", icon: "octicon-git-commit", classNames: ["push", "commit_comment"], subFilters: [
				{ text: "Pushed", icon: "octicon-git-commit", classNames: ["push"] },
				{ text: "Comments", icon: "octicon-comment-discussion", classNames: ["commit_comment"] }
			]
		},
		{
			text: "Pull Requests", icon: "octicon-git-pull-request", classNames: ["pull_request_opened", "pull_request_closed", "pull_request_merged", "pull_request_comment"], subFilters: [
				{ text: "Opened", icon: "octicon-git-pull-request", classNames: ["pull_request_opened"] },
				{ text: "Closed", icon: "octicon-git-pull-request-abandoned", classNames: ["pull_request_closed"] },
				{ text: "Merged", icon: "octicon-git-merge", classNames: ["pull_request_merged"] },
				{ text: "Comments", icon: "octicon-comment-discussion", classNames: ["pull_request_comment"] }
			]
		},
		{
			text: "Repo", icon: "octicon-repo", classNames: ["create", "public", "fork", "branch_create", "branch_delete", "tag_add", "tag_remove", "release", "delete"], subFilters: [
				{ text: "Created", icon: "octicon-repo-create", classNames: ["create"] },
				{ text: "Public", icon: "octicon-repo-push", classNames: ["public"] },
				{ text: "Forked", icon: "octicon-repo-forked", classNames: ["fork"] },
				{
					text: "Branched", icon: "octicon-git-branch", classNames: ["branch_create", "branch_delete"], subFilters: [
						{ text: "Created", icon: "octicon-git-branch-create", classNames: ["branch_create"] },
						{ text: "Deleted", icon: "octicon-git-branch-delete", classNames: ["branch_delete"] }
					]
				},
				{
					text: "Tagged", icon: "octicon-tag", classNames: ["tag_add", "tag_remove"], subFilters: [
						{ text: "Added", icon: "octicon-tag-add", classNames: ["tag_add"] },
						{ text: "Removed", icon: "octicon-tag-remove", classNames: ["tag_remove"] }
					]
				},
				{ text: "Released", icon: "octicon-repo-pull", classNames: ["release"] },
				{ text: "Deleted", icon: "octicon-repo-delete", classNames: ["delete"] }
			]
		},
		{
			text: "User", icon: "octicon-person", classNames: ["watch_started", "member_add", "team_add"], subFilters: [
				{ text: "Starred", icon: "octicon-star", classNames: ["watch_started"] },
				{ text: "Member added", icon: "octicon-person-add", classNames: ["member_add", "team_add"] }
			]
		},
		{ text: "Wiki", icon: "octicon-book", classNames: ["gollum"] },
		{
			text: "Gist", icon: "octicon-gist", classNames: ["gist_created", "gist_updated"], subFilters: [
				{ text: "Created", icon: "octicon-gist-new", classNames: ["gist_created"] },
				{ text: "Updated", icon: "octicon-gist", classNames: ["gist_updated"] }
			]
		}
		// Possible other classes: follow
	];

	function proxy(fn) {
		return function() {
			var that = this;
			return function(e) {
				var args = that.slice(0);  // clone;
				args.unshift(e);  // prepend event;
				fn.apply(this, args);
			};
		}.call([].slice.call(arguments, 1));
	}

	function addFilterMenu(filters, parent, container, sidebar, main) {
		var ul = document.createElement("ul");
		ul.classList.add("filter-list");
		if (!main) {
			ul.classList.add("small");
			ul.style.marginLeft = "10px";
			ul.style.display = "none";
		}
		parent.appendChild(ul);

		filters.forEach(function(subFilter) {
			var li = addFilterMenuItem(subFilter, ul, container, sidebar);

			if (subFilter.subFilters) {
				addFilterMenu(subFilter.subFilters, li, container, sidebar, false);
			}
		});
	}

	function addFilterMenuItem(filter, parent, container, sidebar) {
		var a = document.createElement("a");
		a.classList.add("filter-item");
		a.setAttribute("href", "/");
		a.setAttribute("title", filter.classNames.join(" & "));
		if (filter.classNames[0] === "*") {
			a.classList.add("selected");
			a.style.fontWeight = "bold";
		}

		var s = document.createElement("span");
		s.classList.add("octicon", filter.icon);
		s.style.marginRight = "10px";
		s.style.cssFloat = "left";
		s.style.minWidth = "16px";
		a.appendChild(s);

		var c = document.createElement("span");
		c.classList.add("count");
		c.appendChild(document.createTextNode("0"));
		a.appendChild(c);

		a.appendChild(document.createTextNode(filter.text));

		a.addEventListener("click", proxy(function(e, classNames) {
			e.preventDefault();

			var any = false,
				all = classNames[0] === "*",
				some = function(alert) { return classNames.some(function(cl) { return alert.classList.contains(cl); }); };
			Array.forEach(container.querySelectorAll(".alert"), function(alert) {
				alert.style.display = (all || some(alert)) && (any = true) ? "block" : "none";
			});
			var none = container.querySelector(".no-alerts");
			if (any && none) {
				none.parentNode.removeChild(none);
			} else if (!any && !none) {
				none = document.createElement("div");
				none.classList.add("no-alerts");
				none.style.padding = "0 0 1em 45px";
				none.style.fontStyle = "italic";
				none.appendChild(document.createTextNode("No feed items for this filter. Press the button below to load more items..."));
				container.insertBefore(none, container.firstChild);
			}

			Array.forEach(sidebar.querySelectorAll(".filter-list.small"), function(ul) { ul.style.display = "none"; });
			showParentMenu(a.parentNode);
			var subMenu = a.parentNode.querySelector("ul");
			if (subMenu) { subMenu.style.display = "block"; }

			Array.forEach(sidebar.querySelectorAll(".selected"), function(m) { m.classList.remove("selected"); });
			this.classList.add("selected");
		}, filter.classNames));

		var li = document.createElement("li");
		li.appendChild(a);
		li.filterClassNames = filter.classNames;

		parent.appendChild(li);

		return li;
	}

	function showParentMenu(menuItem) {
		var parentMenuItem = menuItem.parentNode;
		if (parentMenuItem.classList.contains("filter-list")) {
			parentMenuItem.style.display = "block";
			showParentMenu(parentMenuItem.parentNode);
		}
	}

	function addFilters() {
		var container = document.querySelector(".news");
		if (!container) { return; }

		var sidebar = document.querySelector(".dashboard-sidebar") || document.querySelector(".column.one-fourth.vcard");

		var rule = document.createElement("div");
		rule.classList.add("rule");
		sidebar.insertBefore(rule, sidebar.firstChild);

		var div = document.createElement("div");
		sidebar.insertBefore(div, sidebar.firstChild);

		addFilterMenu(FILTERS, div, container, sidebar, true);

		// update on clicking "More"-button;
		unsafeWindow.$.pageUpdate(function() {
			window.setTimeout(function() {
				Array.forEach(container.querySelectorAll(".alert"), function(alert) {
					if (alert.getElementsByClassName("octicon-git-branch-create").length > 0) {
						alert.classList.remove("create");
						alert.classList.add("branch_create");
					} else if (alert.getElementsByClassName("octicon-git-branch-delete").length > 0) {
						alert.classList.remove("delete");
						alert.classList.add("branch_delete");
					} else if (alert.getElementsByClassName("octicon-tag-add").length > 0) {
						alert.classList.remove("create");
						alert.classList.add("tag_add");
					} else if (alert.getElementsByClassName("octicon-tag-remove").length > 0) {
						alert.classList.remove("delete");
						alert.classList.add("tag_remove");
					} else if (alert.getElementsByClassName("octicon-git-pull-request").length > 0) {
						alert.classList.remove("issues_opened", "issues_closed");
						if (alert.querySelector(".title span").textContent.toUpperCase() === "OPENED") {  // English localisation;
							alert.classList.add("pull_request_opened");
						} else if (alert.querySelector(".title span").textContent.toUpperCase() === "MERGED") {  // English localisation;
							alert.classList.add("pull_request_merged");
						} else if (alert.querySelector(".title span").textContent.toUpperCase() === "CLOSED") {  // English localisation;
							alert.classList.add("pull_request_closed");
						}
					} else if (alert.classList.contains("issues_comment") && alert.querySelectorAll(".title a")[1].getAttribute("href").split("/")[5] === "pull") {
						alert.classList.remove("issues_comment");
						alert.classList.add("pull_request_comment");
					} else if (alert.classList.contains("gist")) {
						alert.classList.remove("gist");
						alert.classList.add("gist_" + alert.querySelector(".title span").textContent);
					}
				});

				Array.forEach(div.querySelectorAll("li"), function(li) {
					var c = li.querySelector(".count");
					if (li.filterClassNames[0] === "*") {
						c.textContent = container.querySelectorAll(".alert").length;
					} else {
						c.textContent = "0";
						Array.forEach(container.querySelectorAll(".alert"), function(alert) {
							if (li.filterClassNames.some(function(cl) { return alert.classList.contains(cl); })) {
								c.textContent = parseInt(c.textContent, 10) + 1;
							}
						});
					}
				});

				sidebar.querySelector(".selected").dispatchEvent(new Event("click"));
			}, 1);
		});
	}

	// init;
	addFilters();

	// on pjax;
	unsafeWindow.$(document).on("pjax:success", addFilters);

})();