osmhv.user.js

osmhv.user.js

// ==UserScript==
// @name        OSM History Viewer link
// @namespace   osmhv.openstreetmap.de
// @description Adds links to OSM History Viewer on OpenStreetMap relation and changeset pages. Fork of http://userscripts-mirror.org/scripts/review/92776
// @include     http://www.openstreetmap.org/*
// @include     https://www.openstreetmap.org/*
// @version     1.2
// @grant       none
// ==/UserScript==

var trans = {
	"relation"  : "Blame in OSM History Viewer",
	"changeset" : "View in OSM History Viewer"
};

var m = location.pathname.match(/^\/(changeset|relation)\/(\d+)/);
if (m) {
	var type = m[1];
	var id = m[2];

	var headline = document.createElement("h2");

	var hvLink = document.createElement("a");
	hvLink.href = "http://osmhv.openstreetmap.de/" + (type == "relation" ? "blame" : "changeset") + ".jsp?id=" + encodeURIComponent(id);
	hvLink.target = "_blank";
	hvLink.appendChild(document.createTextNode(trans[type]));

	headline.appendChild(hvLink);

	var sidebar = document.getElementById("sidebar_content");
	sidebar.insertBefore(headline, sidebar.firstChild);
}