$Boolean

Handles persistent storage of boolean values.

Version vom 13.08.2022. Aktuellste Version

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.greasyfork.org/scripts/449472/1081058/%24Boolean.js

Du musst eine Erweiterung wie Tampermonkey, Greasemonkey oder Violentmonkey installieren, um dieses Skript zu installieren.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

Sie müssten eine Skript Manager Erweiterung installieren damit sie dieses Skript installieren können

(Ich habe schon ein Skript Manager, Lass mich es installieren!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        $Boolean
// @author      Callum Latham <[email protected]>
// @exclude     *
// @description Handles persistent storage of boolean values.
// ==/UserScript==

class $Boolean {
    constructor(KEY, DEFAULT = true) {
        // PRIVATE STATE

        let value;

        // PRIVATE FUNCTIONS

        const getError = (message, error) => {
            if (error) {
                console.error(error);
            }

            return new Error(`[$Toggle] ${message}`);
        };

        const set = (_value) => {
            value = _value;

            if (typeof GM.setValue !== 'function') {
                return Promise.reject(getError('The GM.setValue permission is required to store data.'));
            }

            return GM.setValue(KEY, value);
        };

        // PUBLIC FUNCTIONS

        this.init = () => {
            if (typeof GM.getValue !== 'function') {
                return Promise.reject(getError('The GM.getValue permission is required to retrieve data.'));
            }

            return GM.getValue(KEY, DEFAULT)
                .then(set);
        };

        this.toggle = () => set(!value);

        this.get = () => value;
    };
}