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SuperGM

Extends the GM_setValue and GM_getValue functions for any javascript variable type. basis on https://userscripts-mirror.org/scripts/source/107941.user.js

Bu script direkt olarak kurulamaz. Başka scriptler için bir kütüphanedir ve meta yönergeleri içerir // @require https://update.greasyfork.org/scripts/389206/727035/SuperGM.js 

// ==UserScript==
// @name            SuperGM
// @version      0.0.1
// @description     Extends the GM_setValue and GM_getValue functions for any javascript variable type. basis on https://userscripts-mirror.org/scripts/source/107941.user.js 
// @namespace       userscripts.org/users/158640
// ==/UserScript==
(function () {
    String.prototype.startsWith = function (str) {
        return this.slice(0, str.length) == str;
    };
    String.prototype.endsWith = function (str) {
        return this.slice(-str.length) == str;
    };
    String.prototype.contains = function (str) {
        return this.indexOf(str) > -1;
    };

    var SuperGM = function (version, _expiredMilliseconds) {
        var versionkeybasic = 'tsharp.org:key:v:';
        var expiredkeybasic = 'tsharp.org:key:e:';
        var JSON_MarkerStr = 'json_val: ';
        var FunctionMarker = 'function_code: ';
        var expiredMilliseconds = -1;
        if (typeof version != 'undefine') { version = -1; }
        if (typeof _expiredMilliseconds != 'undefine') {
            expiredMilliseconds = -1;
        }
        else {
            expiredMilliseconds = _expiredMilliseconds;
        }
        function ReportError(msg) {
            if (console && console.error) {
                console.log(msg);
            }
            else {
                throw new Error(msg);
            }
        }

        //--- Check that the environment is proper.
        if (typeof GM_setValue != "function") {
            ReportError('This library requires Greasemonkey! GM_setValue is missing.');
        }
        if (typeof GM_getValue != "function") {
            ReportError('This library requires Greasemonkey! GM_getValue is missing.');
        }
        if (typeof version != 'integer') {
            ReportError('Arg version should be a integer type if you wana set it.');
        }
        if (typeof expiredMilliseconds != 'integer') {
            ReportError('Arg expiredMilliseconds should be a integer type if you wana set it.');
        }

        this.set = function (varName, varValue) {

            if (!varName) {
                ReportError('Illegal varName sent to GM_SuperValue.set().');
                return;
            }
            if (/[^\w _-]/.test(varName)) {
                ReportError('Suspect, probably illegal, varName sent to GM_SuperValue.set().');
            }
            var versionKey = versionkeybasic + varName;
            GM_setValue(versionKey, version);
            var expiredkey = expiredkeybasic + varName;
            GM_setValue(expiredkey, new Date().getTime());

            if (typeof varValue == 'function') {
                varValue = varValue();
            }

            switch (typeof varValue) {
                case 'undefined':
                    ReportError('Illegal varValue sent to GM_SuperValue.set().');
                    break;
                case 'boolean':
                case 'string':
                    //--- These 2 types are safe to store, as is.
                    GM_setValue(varName, varValue);
                    break;
                case 'number':
                    /*--- Numbers are ONLY safe if they are integers.
                        Note that hex numbers, EG 0xA9, get converted
                        and stored as decimals, EG 169, automatically.
                        That's a feature of JavaScript.
    
                        Also, only a 32-bit, signed integer is allowed.
                        So we only process +/-2147483647 here.
                    */
                    if (varValue === parseInt(varValue) && Math.abs(varValue) < 2147483647) {
                        GM_setValue(varName, varValue);
                        break;
                    }
                case 'object':
                    /*--- For all other cases (but functions), and for
                        unsafe numbers, store the value as a JSON string.
                    */
                    var safeStr = JSON_MarkerStr + JSON.stringify(varValue);
                    GM_setValue(varName, safeStr);
                    break;
                case 'function':
                    /*--- Functions need special handling.
                    */
                    var safeStr = FunctionMarker + varValue.toString();
                    GM_setValue(varName, safeStr);
                    break;

                default:
                    ReportError('Unknown type in GM_SuperValue.set()!');
                    break;
            }
        };//-- End of set()

        this.getOrAdd = function (varName, defaultValue) {

            if (!varName) {
                ReportError('Illegal varName sent to GM_SuperValue.get().');
                return;
            }
            if (/[^\w _-]/.test(varName)) {
                ReportError('Suspect, probably illegal, varName sent to GM_SuperValue.get().');
            }
            var versionKey = versionkeybasic + varName;
            var savedversion = GM_getValue(versionKey);
            if (version != savedversion) {  //需判断设置默认-1时
                if (typeof GM_deleteValue != "function") {
                    GM_deleteValue(varName);
                    GM_deleteValue(versionKey);
                }
                if (typeof defaultValue == 'function') {
                    var varvalue = defaultValue();
                    set(varName, varvalue);
                    return varvalue;
                }
                else {
                    set(varName, varvalue);
                    return defaultValue;
                }
            }
            var expiredkey = expiredkeybasic + varName;
            var expire = GM_getValue(expiredkey);
            if (new Date().getTime() - expire > expiredMilliseconds) {
                if (typeof GM_deleteValue != "function") {
                    GM_deleteValue(varName);
                    GM_deleteValue(expiredkey);
                }
            }
            //--- Attempt to get the value from storage.
            var varValue = GM_getValue(varName);
            if (!varValue)
                return defaultValue;

            //--- We got a value from storage. Now unencode it, if necessary.
            if (typeof varValue == "string") {
                //--- Is it a JSON value?
                var regxp = new RegExp('^' + JSON_MarkerStr + '(.+)$');
                var m = varValue.match(regxp);
                if (m && m.length > 1) {
                    varValue = JSON.parse(m[1]);
                    return varValue;
                }

                //--- Is it a function?
                var regxp = new RegExp('^' + FunctionMarker + '((?:.|\n|\r)+)$');
                var m = varValue.match(regxp);
                if (m && m.length > 1) {
                    varValue = eval('(' + m[1] + ')');
                    return varValue;
                }
            }

            return varValue;
        };//-- End of get()

        this.del = function (varname) {
            if (typeof GM_deleteValue != "function")
                ReportError('Using del function requires Greasemonkey and grant rights for it! GM_deleteValue is missing.');
            GM_deleteValue(varName);
        };
        this.delStartsWith = function (varname) {
            if (typeof GM_deleteValue != "function")
                ReportError('Using delStartsWith function requires Greasemonkey and grant rights for it! GM_deleteValue is missing.');
            if (typeof GM_listValues != "function")
                ReportError('Using delStartsWith function requires Greasemonkey and grant rights for it! GM_listValues is missing.');
            for (var item in GM_listValues()) {
                if (item.startsWith(varname)) {
                    GM_deleteValue(item);
                }
            }
        };
    }
})();