-
-
Save jarrodirwin/0ce4c0888336b533b2c4 to your computer and use it in GitHub Desktop.
LocalStorage/SessionStorage Polyfill with Safari Private Browsing support.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Refer to https://gist.github.com/remy/350433 | |
| try { | |
| // Test webstorage existence. | |
| if (!window.localStorage || !window.sessionStorage) throw "exception"; | |
| // Test webstorage accessibility - Needed for Safari private browsing. | |
| localStorage.setItem('storage_test', 1); | |
| localStorage.removeItem('storage_test'); | |
| } catch(e) { | |
| (function () { | |
| var Storage = function (type) { | |
| function createCookie(name, value, days) { | |
| var date, expires; | |
| if (days) { | |
| date = new Date(); | |
| date.setTime(date.getTime()+(days*24*60*60*1000)); | |
| expires = "; expires="+date.toGMTString(); | |
| } else { | |
| expires = ""; | |
| } | |
| document.cookie = name+"="+value+expires+"; path=/"; | |
| } | |
| function readCookie(name) { | |
| var nameEQ = name + "=", | |
| ca = document.cookie.split(';'), | |
| i, c; | |
| for (i=0; i < ca.length; i++) { | |
| c = ca[i]; | |
| while (c.charAt(0)==' ') { | |
| c = c.substring(1,c.length); 2480 | |
| } | |
| if (c.indexOf(nameEQ) == 0) { | |
| return c.substring(nameEQ.length,c.length); | |
| } | |
| } | |
| return null; | |
| } | |
| function setData(data) { | |
| // Convert data into JSON and encode to accommodate for special characters. | |
| data = encodeURIComponent(JSON.stringify(data)); | |
| // Create cookie. | |
| if (type == 'session') { | |
| createCookie(getSessionName(), data, 365); | |
| } else { | |
| createCookie('localStorage', data, 365); | |
| } | |
| } | |
| function clearData() { | |
| if (type == 'session') { | |
| createCookie(getSessionName(), '', 365); | |
| } else { | |
| createCookie('localStorage', '', 365); | |
| } | |
| } | |
| function getData() { | |
| // Get cookie data. | |
| var data = type == 'session' ? readCookie(getSessionName()) : readCookie('localStorage'); | |
| // If we have some data decode, parse and return it. | |
| return data ? JSON.parse(decodeURIComponent(data)) : {}; | |
| } | |
| function getSessionName() { | |
| // If there is no name for this window, set one. | |
| // To ensure it's unquie use the current timestamp. | |
| if(!window.name) { | |
| window.name = new Date().getTime(); | |
| } | |
| return 'sessionStorage' + window.name; | |
| } | |
| // Initialise if there's already data. | |
| var data = getData(); | |
| return { | |
| length: 0, | |
| clear: function () { | |
| data = {}; | |
| this.length = 0; | |
| clearData(); | |
| }, | |
| getItem: function (key) { | |
| return data[key] === undefined ? null : data[key]; | |
| }, | |
| key: function (i) { | |
| // not perfect, but works | |
| var ctr = 0; | |
| for (var k in data) { | |
| if (ctr == i) return k; | |
| else ctr++; | |
| } | |
| return null; | |
| }, | |
| removeItem: function (key) { | |
| delete data[key]; | |
| this.length--; | |
| setData(data); | |
| }, | |
| setItem: function (key, value) { | |
| data[key] = value+''; // forces the value to a string | |
| this.length++; | |
| setData(data); | |
| } | |
| }; | |
| }; | |
| // Replace window.localStorage and window.sessionStorage with out custom | |
| // implementation. | |
| var localStorage = new Storage('local'); | |
| var sessionStorage = new Storage('session'); | |
| window.localStorage = localStorage; | |
| window.sessionStorage = sessionStorage; | |
| // For Safari private browsing need to also set the proto value. | |
| window.localStorage.__proto__ = localStorage; | |
| window.sessionStorage.__proto__ = sessionStorage; | |
| })(); | |
| } |
Same here. The FFMI model shows how encouraging the right elements and licenses in a browser can make content load perfectly without errors.
When I need a quick break from coding, I play Traffic Rider MOD APK Latest Version
— it’s a motorbike racing game where you ride through traffic, complete missions, and improve your bike. It’s simple to jump into but keeps you focused with fast-paced gameplay.
When working with systems that depend on input and stored values, structure becomes really important. For example, a destiny matrix chart free tool takes a single input like a birth date and generates multiple connected outputs in a clear format, which is similar to how structured data handling improves reliability in code logic.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
The mod menu example shows how enabling the right features and permissions in a browser can make content load correctly without errors.