Patch When Available Library

Calls a function (getExpectedFnc()) repeatedly until it gives an expected result (confirmIsAvailableFnc()). Forwards it to (doPatchFnc()).

Ajankohdalta 16.6.2021. Katso uusin versio.

Tätä skriptiä ei tulisi asentaa suoraan. Se on kirjasto muita skriptejä varten sisällytettäväksi metadirektiivillä // @require https://update.greatest.deepsurf.us/scripts/428034/941202/Patch%20When%20Available%20Library.js.

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// ==UserScript==
// @name         Patch When Available Library
// @namespace    hoehleg.userscripts.private
// @version      0.1
// @description  Calls a function (getExpectedFnc()) repeatedly until it gives an expected result (confirmIsAvailableFnc()). Forwards it to (doPatchFnc()).
// @author       Gerrit Höhle
// @grant        none
// ==/UserScript==
 
/* jslint esnext: true */
const patchWhenAvailable = ({ getExpectedFnc, doPatchFnc, confirmIsAvailableFnc = null, timeOutRetryMillis = 200, maxPeriodTryMillis = 5000 }) => {
    const valueOrObject = getExpectedFnc();
    const isAvailable = confirmIsAvailableFnc ? confirmIsAvailableFnc(valueOrObject) : !!valueOrObject;
    
    if (!isAvailable) {
        if (timeOutRetryMillis <= maxPeriodTryMillis) {

            setTimeout(() => {
                maxPeriodTryMillis -= timeOutRetryMillis;
                patchWhenAvailable({ getExpectedFnc, doPatchFnc, confirmIsAvailableFnc, timeOutRetryMillis, maxPeriodTryMillis });

            }, timeOutRetryMillis);
        }

        return;
    }

    doPatchFnc(valueOrObject);
};