SourceGraph button injection on Github
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// ==UserScript==
// @name SourceGraph
// @description SourceGraph button injection on Github
// @namespace https://gist.github.com/luoling8192/0312f993ce1f59075841b26f3a07d15b
// @version 0.5
// @author mokeyish, RainbowBird
// @match https://github.com/*
// @grant none
// @require http://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js
// @license MIT
// ==/UserScript==
/*--- waitForKeyElements(): A utility function, for Greasemonkey scripts,
that detects and handles AJAXed content.
Usage example:
waitForKeyElements (
"div.comments"
, commentCallbackFunction
);
//--- Page-specific function to do what we want when the node is found.
function commentCallbackFunction (jNode) {
jNode.text ("This comment changed by waitForKeyElements().");
}
IMPORTANT: This function requires your script to have loaded jQuery.
*/
function waitForKeyElements (
selectorTxt, /* Required: The jQuery selector string that
specifies the desired element(s).
*/
actionFunction, /* Required: The code to run when elements are
found. It is passed a jNode to the matched
element.
*/
bWaitOnce, /* Optional: If false, will continue to scan for
new elements even after the first match is
found.
*/
iframeSelector /* Optional: If set, identifies the iframe to
search.
*/
) {
var targetNodes, btargetsFound;
if (typeof iframeSelector == "undefined")
targetNodes = $(selectorTxt);
else
targetNodes = $(iframeSelector).contents ()
.find (selectorTxt);
if (targetNodes && targetNodes.length > 0) {
btargetsFound = true;
/*--- Found target node(s). Go through each and act if they
are new.
*/
targetNodes.each ( function () {
var jThis = $(this);
var alreadyFound = jThis.data ('alreadyFound') || false;
if (!alreadyFound) {
//--- Call the payload function.
var cancelFound = actionFunction (jThis);
if (cancelFound)
btargetsFound = false;
else
jThis.data ('alreadyFound', true);
}
} );
}
else {
btargetsFound = false;
}
//--- Get the timer-control variable for this selector.
var controlObj = waitForKeyElements.controlObj || {};
var controlKey = selectorTxt.replace (/[^\w]/g, "_");
var timeControl = controlObj [controlKey];
//--- Now set or clear the timer as appropriate.
if (btargetsFound && bWaitOnce && timeControl) {
//--- The only condition where we need to clear the timer.
clearInterval (timeControl);
delete controlObj [controlKey]
}
else {
//--- Set a timer, if needed.
if ( ! timeControl) {
timeControl = setInterval ( function () {
waitForKeyElements ( selectorTxt,
actionFunction,
bWaitOnce,
iframeSelector
);
},
300
);
controlObj [controlKey] = timeControl;
}
}
waitForKeyElements.controlObj = controlObj;
}
function run() {
var target = document.querySelector('[data-testid="top-nav-right"]');
if (target){
var t = window.location.pathname.split('/');
var url = window.location.host;
if (t.length >= 3) {
var username = t[1];
var repo = t[2];
url = `${url}/${username}/${repo}`;
} else {
return;
}
if (t.length >= 5) {
var type = t[3];
var branch = t[4];
url = `${url}@${branch}/-/${type}`;
}
if (t.length >= 6) {
url = `${url}/${t.slice(5).join('/')}`;
}
var html = `
<a href="https://sourcegraph.com/${url}" target="_blank" aria-label="View repository on Sourcegraph" class="Button Button--iconOnly Button--secondary Button--medium AppHeader-button color-fg-muted rgh-seen--20877287924">
<svg viewBox="0 0 40 40" width="16" height="16" class="action-item__icon--github v-align-text-bottom">
<g fill="none" fill-rule="evenodd"><path d="M11.5941935,5.12629921 L20.4929032,36.888189 C21.0909677,39.0226772 23.3477419,40.279685 25.5325806,39.6951181 C27.7190323,39.1105512 29.0051613,36.9064567 28.4067742,34.7722835 L19.5064516,3.00944882 C18.9080645,0.875590551 16.6516129,-0.381732283 14.4667742,0.203149606 C12.2822581,0.786771654 10.9958065,2.99149606 11.5941935,5.12598425 L11.5941935,5.12629921 Z" fill="#F96316"></path><path d="M28.0722581,5.00598425 L5.7883871,29.5748031 C4.28516129,31.2314961 4.44225806,33.7647244 6.13741935,35.2327559 C7.83258065,36.7004724 10.4245161,36.5474016 11.9277419,34.8913386 L34.2116129,10.3228346 C35.7148387,8.66614173 35.5577419,6.13385827 33.8625806,4.66551181 C32.1667742,3.19653543 29.5741935,3.34992126 28.0722581,5.00566929 L28.0722581,5.00598425 Z" fill="#B200F8"></path><path d="M2.82258065,18.6204724 L34.6019355,28.8866142 C36.7525806,29.5811024 39.0729032,28.4412598 39.7841935,26.3395276 C40.4970968,24.2381102 39.3293548,21.9716535 37.1777419,21.2762205 L5.39935484,11.0110236 C3.24774194,10.3159055 0.928387097,11.455748 0.216774194,13.5574803 C-0.494193548,15.6588976 0.673548387,17.9259843 2.82322581,18.6204724 L2.82258065,18.6204724 Z" fill="#00B4F2"></path></g>
</svg>
</a>`;
target.insertAdjacentHTML('afterbegin', html);
}
}
(function() {
'use strict';
waitForKeyElements(`[data-testid="top-nav-right"]`, run)
})();