Adds button to hide whitespaces from commit
// ==UserScript==
// @name Github Commit Whitespace
// @namespace https://github.com/jerone/UserScripts
// @description Adds button to hide whitespaces from commit
// @author jerone
// @copyright 2014+, jerone (http://jeroenvanwarmerdam.nl)
// @license GNU GPLv3
// @homepage https://github.com/jerone/UserScripts/tree/master/Github_Commit_Whitespace
// @homepageURL https://github.com/jerone/UserScripts/tree/master/Github_Commit_Whitespace
// @supportURL https://github.com/jerone/UserScripts/issues
// @contributionURL https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VCYMHWQ7ZMBKW
// @include https://github.com/*
// @version 1.4.1
// @grant none
// ==/UserScript==
/* global unsafeWindow */
(function() {
function addButton() {
var e;
if (!(/\/commit\//.test(location.href) || /\/compare\//.test(location.href) || /\/pull\/\d*\/files/.test(location.href)) ||
!(e = document.getElementById("toc"))) { return; }
var r = e.querySelector(".GithubCommitWhitespaceButton");
if (r) { r.parentElement.removeChild(r); }
var on = /w=/.test(location.search); // any occurense results in enabling;
var b = e.querySelector(".toc-diff-stats");
var s = document.createElement("span");
s.textContent = " \u2423";
s.style.color = "#333"; // set color because of css selector `p.explain .octicon`;
var a = document.createElement("a");
a.classList.add("minibutton", "tooltipped", "tooltipped-n");
if (on) { a.classList.add("selected"); }
a.setAttribute("href", url(on));
a.setAttribute("rel", "nofollow");
a.setAttribute("aria-label", on ? "Show commit whitespace" : "Hide commit whitespaces");
a.appendChild(s);
var g = document.createElement("div");
g.classList.add("GithubCommitWhitespaceButton", "button-group", "right");
g.style.margin = "0 10px 0 0"; // give us some room;
g.appendChild(a);
b.parentNode.insertBefore(g, b);
}
function url(on) {
var searches = location.search.replace(/^\?/, "").split("&").filter(function(item) {
return item && !/w=.*/.test(item);
});
if (!on) {
searches.push("w=1");
}
return location.href.replace(location.search, "")
+ (searches.length > 0 ? "?" + searches.join("&") : "");
}
// init;
addButton();
// on pjax;
unsafeWindow.$(document).on("pjax:end", addButton); // `pjax:end` also runs on history back;
// on PR files tab;
var f;
if ((f = document.querySelector(".js-pull-request-tab[data-container-id='files_bucket']"))) {
f.addEventListener("click", function() {
window.setTimeout(addButton, 13);
});
}
})();