From dcbbf12d2ed2925af589b35353290c63cd6ca908 Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Fri, 9 Sep 2016 18:19:16 -0400
Subject: [PATCH] Add edit button to readme

---
 .js/github.com.js | 41 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)

diff --git a/.js/github.com.js b/.js/github.com.js
index db43f13..0d8ae70 100644
--- a/.js/github.com.js
+++ b/.js/github.com.js
@@ -1,6 +1,10 @@
 // utils
 let repoUrl = $("div.repohead-details-container > h1.public > strong[itemprop=name] > a").attr("href");
 
+function addStyle(style) {
+	$("body").after(`<style>${style}</style>`);
+}
+
 // don't use the (ugly) new font
 // $("body").css("font-family", $("body").css("font-family").replace("BlinkMacSystemFont,", ""));
 
@@ -14,7 +18,7 @@ let repoUrl = $("div.repohead-details-container > h1.public > strong[itemprop=na
 		releasesTab.attr("data-selected-links", releasesUrl);
 		releasesTab.addClass("js-selected-navigation-item reponav-item");
 
-		let icon = $("<svg aria-hidden=\"true\" class=\"octicon octicon-tag\" height=\"16\" version=\"1.1\" viewBox=\"0 0 14 16\" width=\"14\"><path d=\"M7.73 1.73C7.26 1.26 6.62 1 5.96 1H3.5C2.13 1 1 2.13 1 3.5v2.47c0 .66.27 1.3.73 1.77l6.06 6.06c.39.39 1.02.39 1.41 0l4.59-4.59a.996.996 0 0 0 0-1.41L7.73 1.73zM2.38 7.09c-.31-.3-.47-.7-.47-1.13V3.5c0-.88.72-1.59 1.59-1.59h2.47c.42 0 .83.16 1.13.47l6.14 6.13-4.73 4.73-6.13-6.15zM3.01 3h2v2H3V3h.01z\"></path></svg>");
+		let icon = "<svg aria-hidden=\"true\" class=\"octicon octicon-tag\" height=\"16\" version=\"1.1\" viewBox=\"0 0 14 16\" width=\"14\"><path d=\"M7.73 1.73C7.26 1.26 6.62 1 5.96 1H3.5C2.13 1 1 2.13 1 3.5v2.47c0 .66.27 1.3.73 1.77l6.06 6.06c.39.39 1.02.39 1.41 0l4.59-4.59a.996.996 0 0 0 0-1.41L7.73 1.73zM2.38 7.09c-.31-.3-.47-.7-.47-1.13V3.5c0-.88.72-1.59 1.59-1.59h2.47c.42 0 .83.16 1.13.47l6.14 6.13-4.73 4.73-6.13-6.15zM3.01 3h2v2H3V3h.01z\"></path></svg>";
 		releasesTab.append(icon);
 
 		releasesTab.append("      Releases");
@@ -74,7 +78,7 @@ let repoUrl = $("div.repohead-details-container > h1.public > strong[itemprop=na
 			el.wrap(link);
 		}
 	});
-	$("body").after("<style>span.commit-ref:hover, span.commit-ref:hover span { text-decoration: underline; }</style>");
+	addStyle("span.commit-ref:hover, span.commit-ref:hover span { text-decoration: underline; }");
 })();
 
 // linkify issue/pr references in issue titles
@@ -83,4 +87,37 @@ let repoUrl = $("div.repohead-details-container > h1.public > strong[itemprop=na
 	if (/#(\d+)/.test(title.text())) {
 		title.html(title.text().replace(/#(\d+)/, `<a href="${repoUrl}/issues/$1">#$1</a>`));
 	}
+})();
+
+// add edit button to readme
+(function() {
+	let readme = $("#readme");
+	if (!readme.length) return;
+
+	let name = readme.find("h3").text().trim();
+	let branch = $(".file-navigation > .select-menu.float-left > button > .js-select-button").text();
+	let editUrl = `/${repoUrl}/edit/${branch}/${name}`;
+	
+	let div = $("<div></div>");
+	div.attr("id", "readme-edit-link");
+	div.css("position", "absolute");
+	div.css("top", "10px");
+	div.css("right", "40px");
+	div.css("opacity", "0.2");
+	div.css("transform", "opacity 250ms");
+
+	let a = $("<a></a>");
+	a.attr("href", editUrl);
+
+	let svg = "<svg class=\"octicon octicon-pencil\" height=\"16\" version=\"1.1\" viewBox=\"0 0 14 16\" width=\"14\"><path d=\"M0 12v3h3l8-8-3-3L0 12z m3 2H1V12h1v1h1v1z m10.3-9.3l-1.3 1.3-3-3 1.3-1.3c0.39-0.39 1.02-0.39 1.41 0l1.59 1.59c0.39 0.39 0.39 1.02 0 1.41z\"></path></svg>";
+	a.append(svg);
+
+	div.append(a);
+
+	readme.append(div);
+
+	addStyle(`
+		#readme.blob #readme-edit-link { display: none; }
+		#readme-edit-link:hover { opacity: 1; }
+		`);
 })();
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