Add filters for Github homepage news feed items
// ==UserScript==
// @name Github News Feed Filter
// @namespace https://github.com/jerone/UserScripts
// @description Add filters for Github homepage news feed items
// @author jerone
// @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/
// @version 4.1
// @grant none
// ==/UserScript==
(function() {
var filters = [
{ text: "All News Feed", icon: "octicon-radio-tower", classNames: ["*"] },
{ text: "Commits", icon: "octicon-git-commit", classNames: ["push"] },
{ text: "Pull Requests", icon: "octicon-git-pull-request", classNames: ["pull_request", "pull_request_comment"] },
{
text: "Issues", icon: "octicon-issue-opened", classNames: ["issues_comment", "issues_opened", "issues_closed", "issues_reopened"], subFilters: [
{ text: "Comments", icon: "octicon-comment-discussion", classNames: ["issues_comment"] },
{ 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: "Stars", icon: "octicon-star", classNames: ["watch_started"] },
{ text: "Repo", icon: "octicon-repo", classNames: ["create", "public", "release", "fork"] },
{ text: "Wiki", icon: "octicon-book", classNames: ["gollum"] },
{ text: "Gist", icon: "octicon-gist", classNames: ["gist"] }
// Pissible other classes: commit_comment & follow & member_add
];
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 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, className) {
e.preventDefault();
Array.forEach(container.querySelectorAll(".alert"), function(alert) {
alert.style.display = className[0] === "*" || className.some(function(cl) { return alert.classList.contains(cl); }) ? "block" : "none";
});
Array.forEach(sidebar.querySelectorAll(".filter-list.small"), function(subUl) {
subUl.style.display = "none";
});
var subUl = this.parentNode.querySelector("ul");
if (!subUl && this.parentNode.parentNode.classList.contains("filter-list") && this.parentNode.parentNode.classList.contains("small")) {
subUl = this.parentNode.parentNode;
}
if (subUl) {
subUl.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 addFilters() {
var container = document.querySelector(".news");
if (!container) return;
var sidebar = document.querySelector(".dashboard-sidebar");
var rule = document.createElement("div");
rule.classList.add("rule");
sidebar.insertBefore(rule, sidebar.firstChild);
var ul = document.createElement("ul");
ul.classList.add("filter-list");
sidebar.insertBefore(ul, sidebar.firstChild);
filters.forEach(function(filter) {
var li = addFilterMenuItem(filter, ul, container, sidebar);
if (filter.subFilters) {
var subUl = document.createElement("ul");
subUl.classList.add("filter-list", "small");
subUl.style.marginLeft = "10px";
subUl.style.display = "none";
li.appendChild(subUl);
filter.subFilters.forEach(function(subFilter) {
addFilterMenuItem(subFilter, subUl, container, sidebar);
});
}
});
// update on clicking "More"-button;
$.pageUpdate(function() {
window.setTimeout(function() {
Array.forEach(container.querySelectorAll(".alert"), function(alert) {
if (alert.getElementsByClassName("octicon-git-pull-request").length > 0) {
alert.classList.remove("issues_opened", "issues_closed");
alert.classList.add("pull_request");
} 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");
}
});
Array.forEach(ul.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;
$(document).on("pjax:success", addFilters);
})();