HTML5 Save Export Import

Local Storage Access. Mainly used for html5 game save export or import.
Verze ze dne 17. 10. 2020. Zobrazit nejnovější verzi.
Zeptejte se na otázku, přidejte recenzi nebo skript nahlašte.
Wrap lines
// ==UserScript==
// @name              HTML5 Save Export Import
// @name:zh           HTML5游戏存档导入导出
// @namespace    http://tampermonkey.net/
// @icon  https://github.com/YuriSizuku/Kirikiroid2/releases/download/1.3.9_yuri/46031510_p0_icon.jpg
// @version      0.7.1
// @description  Local Storage Access. Mainly used for html5 game save export or import.
// @author       devseed
// @match        *://*/*
// @grant        none
// @require https://code.jquery.com/jquery-3.1.1.min.js
// ==/UserScript==

var $=jQuery;
var YURI = YURI || {};
(function($$) {
    "use strict";
    var _saveFile = (name, content) => {
        //console.log(name+" "+content);
        var e = document.createEvent('MouseEvents');
        var a = document.createElement('a');
        var blob = new Blob([content], {type:'application/octet-stream'});
        a.download = name;
        a.href = window.URL.createObjectURL(blob);
        a.dataset.downloadurl = ['application/octet-stream', a.download, a.href].join(':');
        e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
        a.dispatchEvent(e);
    }
    var _requestFiles =  (requestDone) => {
        var i = document.createElement('input');
        i.type = 'file';
        i.addEventListener('change', () => {
            requestDone(i.files);
        });
        i.click(); //can not open without user click
    }

    $$.storage = {
        saveFile:function(path, content) {
            _saveFile(path, content);
        },
        exportSave: function(isMerge) {
            isMerge = isMerge || true
            var key_value={};
            if(arguments.length > 1){
                for(var i=1;i<arguments.length;i++)
                    key_value[arguments[i]] = window.localStorage.getItem(arguments[i]);
            }
            else{
                for(var i=0;i<window.localStorage.length;i++)
                     key_value[window.localStorage.key(i)] =
                         window.localStorage.getItem(window.localStorage.key(i));
            }
            if(isMerge){
                var json = JSON.stringify(key_value);
                _saveFile("saves.json", json);
            } else{
                for (var k in key_value){
                    if(key_value[k]!=null)
                        _saveFile(k.toString()+".sav", key_value[k]);
                }
            }
        },
        importSave: function() {
            var requestDone = (files) => {
               var file = files[0];
               var reader = new FileReader();
               reader.onload = (e) =>{
                   var text=e.target.result;
                   var key_value = {};
                   //console.log(text);
                   if(file.type == 'application/json'){
                       key_value = JSON.parse(text);
                   }else{
                       var key = file.name.split('.');
                       key = key.slice(0, key.length-1).join('.');
                       key_value[key] = text;
                   }
                   for(var key in key_value){
                       window.localStorage.setItem(key, key_value[key]);
                   }
               }
               reader.readAsText(file);
            }
            _requestFiles(requestDone);
        },
    }
})(YURI) //initial functions


var button_export = button_export ||
    $('body').append('<input type="button" id="btn_export" value="Export saves" \
                       style="position relative;margin:0px 10px 0px 0px">')
             .find('#btn_export');
console.log(button_export)
var button_import = button_import ||
    $('body').append('<input type="button" id="btn_import" value="Import saves">')
             .find('#btn_import');

button_export.click(()=>YURI.storage.exportSave())
button_import.click(()=>YURI.storage.importSave())