Add filters for Github homepage news feed items
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// ==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/?*
// @include https://github.com/orgs/*/dashboard
// @include https://github.com/orgs/*/dashboard?*
// @include https://github.com/*tab=activity*
// @version 5.3
// @grant none
// ==/UserScript==
/* global Event */
(function() {
var FILTERS = [
{ id: "*", text: "All News Feed", icon: "octicon-radio-tower", classNames: ["*"] },
{
id: "issues", text: "Issues", icon: "octicon-issue-opened", classNames: ["issues_opened", "issues_closed", "issues_reopened", "issues_comment"], subFilters: [
{ id: "issues opened", text: "Opened", icon: "octicon-issue-opened", classNames: ["issues_opened"] },
{ id: "issues closed", text: "Closed", icon: "octicon-issue-closed", classNames: ["issues_closed"] },
{ id: "issues reopened", text: "Reopened", icon: "octicon-issue-reopened", classNames: ["issues_reopened"] },
{ id: "issues comments", text: "Comments", icon: "octicon-comment-discussion", classNames: ["issues_comment"] }
]
},
{
id: "commits", text: "Commits", icon: "octicon-git-commit", classNames: ["push", "commit_comment"], subFilters: [
{ id: "commits pushed", text: "Pushed", icon: "octicon-git-commit", classNames: ["push"] },
{ id: "commits comments", text: "Comments", icon: "octicon-comment-discussion", classNames: ["commit_comment"] }
]
},
{
id: "pr", text: "Pull Requests", icon: "octicon-git-pull-request", classNames: ["pull_request_opened", "pull_request_closed", "pull_request_merged", "pull_request_comment"], subFilters: [
{ id: "pr opened", text: "Opened", icon: "octicon-git-pull-request", classNames: ["pull_request_opened"] },
{ id: "pr closed", text: "Closed", icon: "octicon-git-pull-request-abandoned", classNames: ["pull_request_closed"] },
{ id: "pr merged", text: "Merged", icon: "octicon-git-merge", classNames: ["pull_request_merged"] },
{ id: "pr comments", text: "Comments", icon: "octicon-comment-discussion", classNames: ["pull_request_comment"] }
]
},
{
id: "repo", text: "Repo", icon: "octicon-repo", classNames: ["create", "public", "fork", "branch_create", "branch_delete", "tag_add", "tag_remove", "release", "delete"], subFilters: [
{ id: "repo created", text: "Created", icon: "octicon-repo-create", classNames: ["create"] },
{ id: "repo public", text: "Public", icon: "octicon-repo-push", classNames: ["public"] },
{ id: "repo forked", text: "Forked", icon: "octicon-repo-forked", classNames: ["fork"] },
{
id: "repo branched", text: "Branched", icon: "octicon-git-branch", classNames: ["branch_create", "branch_delete"], subFilters: [
{ id: "repo branch created", text: "Created", icon: "octicon-git-branch-create", classNames: ["branch_create"] },
{ id: "repo branch deleted", text: "Deleted", icon: "octicon-git-branch-delete", classNames: ["branch_delete"] }
]
},
{
id: "repo tagged", text: "Tagged", icon: "octicon-tag", classNames: ["tag_add", "tag_remove"], subFilters: [
{ id: "repo tag added", text: "Added", icon: "octicon-tag-add", classNames: ["tag_add"] },
{ id: "repo tag removed", text: "Removed", icon: "octicon-tag-remove", classNames: ["tag_remove"] }
]
},
{ id: "repo released", text: "Released", icon: "octicon-repo-pull", classNames: ["release"] },
{ id: "repo deleted", text: "Deleted", icon: "octicon-repo-delete", classNames: ["delete"] }
]
},
{
id: "user", text: "User", icon: "octicon-person", classNames: ["watch_started", "member_add", "team_add"], subFilters: [
{ id: "user starred", text: "Starred", icon: "octicon-star", classNames: ["watch_started"] },
{ id: "user added", text: "Member added", icon: "octicon-person-add", classNames: ["member_add", "team_add"] }
]
},
{ id: "wiki", text: "Wiki", icon: "octicon-book", classNames: ["gollum"] },
{
id: "gist", text: "Gist", icon: "octicon-gist", classNames: ["gist_created", "gist_updated"], subFilters: [
{ id: "gist created", text: "Created", icon: "octicon-gist-new", classNames: ["gist_created"] },
{ id: "gist updated", text: "Updated", icon: "octicon-gist", classNames: ["gist_updated"] }
]
}
// Possible other classes: follow
];
var datasetId = "githubNewsFeedFilterId";
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(" & "));
a.dataset[datasetId] = filter.id;
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");
if (this.dataset[datasetId] !== "*") {
var urlSearch = "filter=" + encodeURIComponent(this.dataset[datasetId]);
history.pushState(null, null, location.search && /filter=[^&]*/g.test(location.search)
? location.href.replace(/filter=[^&]*/g, urlSearch)
: location.href + (location.search ? "&" : "?") + urlSearch);
} else {
history.pushState(null, null, location.href.replace(/(filter=[^&]*&|\?filter=[^&]*$|&filter=[^&]*)/g, "")); // http://regexr.com/398lv
}
}, 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 pageUpdate(container, sidebar, wrapper) {
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(wrapper.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;
}
});
}
});
var filter = /filter=[^&]*/g.test(location.search)
? decodeURIComponent(/filter=([^&]*)/g.exec(location.search)[1])
: "*";
wrapper.querySelector('.filter-item[data-github-news-feed-filter-id="' + filter + '"]').dispatchEvent(new Event("click"));
}
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 wrapper = document.createElement("div");
sidebar.insertBefore(wrapper, sidebar.firstChild);
addFilterMenu(FILTERS, wrapper, container, sidebar, true);
pageUpdate(container, sidebar, wrapper);
// update on clicking "More"-button;
new MutationObserver(function() {
pageUpdate(container, sidebar, wrapper);
}).observe(container, { childList: true });
}
// init;
addFilters();
})();