w84Kel

Permet de se déclencher à l'arrivée d'un élément sur une page.

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greatest.deepsurf.us/scripts/394721/763614/w84Kel.js

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// ==UserScript==
// @name         w84Kel
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Permet de se déclencher à l'arrivée d'un élément sur une page.
// @author       CoStiC
// @include        *://*/*
// @grant        none
// ==/UserScript==


'use strict';

/*--- waitForKeyElements():  A utility function, for Greasemonkey scripts,
that detects and handles AJAXed content. Forked for use without JQuery.
Usage example:
    waitForKeyElements (
        "div.comments"
        , commentCallbackFunction
    );
    //--- Page-specific function to do what we want when the node is found.
    function commentCallbackFunction (element) {
        element.text ("This comment changed by waitForKeyElements().");
    }
IMPORTANT: Without JQuery, this fork does not look into the content of
iframes.
*/
function waitForKeyElements(
    selectorTxt, /* Required: The 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. */
) {
    var targetNodes, btargetsFound;
    targetNodes = document.querySelectorAll(selectorTxt);

    if (targetNodes && targetNodes.length > 0) {
        btargetsFound = true;
        /*--- Found target node(s).  Go through each and act if they are new.*/
        targetNodes.forEach(function (element) {
            var alreadyFound = element.dataset.found == 'alreadyFound' ? 'alreadyFound' : false;

            if (!alreadyFound) {
                //--- Call the payload function.
                var cancelFound = actionFunction(element);
                if (cancelFound) btargetsFound = false;
                else element.dataset.found = 'alreadyFound';
            }
        });
    } 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
                    );
                },
                300
            );
            controlObj[controlKey] = timeControl;
        }
    }
    waitForKeyElements.controlObj = controlObj;
}