@codesandbox/sandpack-client
Version:
<img style="width:100%" src="https://user-images.githubusercontent.com/4838076/143581035-ebee5ba2-9cb1-4fe8-a05b-2f44bd69bb4b.gif" alt="Component toolkit for live running code editing experiences" />
121 lines • 4.77 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.LocalStorageStore = void 0;
var key_value_filesystem_1 = require("../generic/key_value_filesystem");
var api_error_1 = require("../core/api_error");
var global_1 = require("../core/global");
/**
* Some versions of FF and all versions of IE do not support the full range of
* 16-bit numbers encoded as characters, as they enforce UTF-16 restrictions.
* @url http://stackoverflow.com/questions/11170716/are-there-any-characters-that-are-not-allowed-in-localstorage/11173673#11173673
* @hidden
*/
var supportsBinaryString = false, binaryEncoding;
try {
global_1.default.localStorage.setItem("__test__", String.fromCharCode(0xD800));
supportsBinaryString = global_1.default.localStorage.getItem("__test__") === String.fromCharCode(0xD800);
}
catch (e) {
// IE throws an exception.
supportsBinaryString = false;
}
binaryEncoding = supportsBinaryString ? 'binary_string' : 'binary_string_ie';
if (!Buffer.isEncoding(binaryEncoding)) {
// Fallback for non BrowserFS implementations of buffer that lack a
// binary_string format.
binaryEncoding = "base64";
}
/**
* A synchronous key-value store backed by localStorage.
*/
var LocalStorageStore = /** @class */ (function () {
function LocalStorageStore() {
}
LocalStorageStore.prototype.name = function () {
return LocalStorageFileSystem.Name;
};
LocalStorageStore.prototype.clear = function () {
global_1.default.localStorage.clear();
};
LocalStorageStore.prototype.beginTransaction = function (type) {
// No need to differentiate.
return new key_value_filesystem_1.SimpleSyncRWTransaction(this);
};
LocalStorageStore.prototype.get = function (key) {
try {
var data = global_1.default.localStorage.getItem(key);
if (data !== null) {
return Buffer.from(data, binaryEncoding);
}
}
catch (e) {
// Do nothing.
}
// Key doesn't exist, or a failure occurred.
return undefined;
};
LocalStorageStore.prototype.put = function (key, data, overwrite) {
try {
if (!overwrite && global_1.default.localStorage.getItem(key) !== null) {
// Don't want to overwrite the key!
return false;
}
global_1.default.localStorage.setItem(key, data.toString(binaryEncoding));
return true;
}
catch (e) {
throw new api_error_1.ApiError(api_error_1.ErrorCode.ENOSPC, "LocalStorage is full.");
}
};
LocalStorageStore.prototype.del = function (key) {
try {
global_1.default.localStorage.removeItem(key);
}
catch (e) {
throw new api_error_1.ApiError(api_error_1.ErrorCode.EIO, "Unable to delete key " + key + ": " + e);
}
};
return LocalStorageStore;
}());
exports.LocalStorageStore = LocalStorageStore;
/**
* A synchronous file system backed by localStorage. Connects our
* LocalStorageStore to our SyncKeyValueFileSystem.
*/
var LocalStorageFileSystem = /** @class */ (function (_super) {
__extends(LocalStorageFileSystem, _super);
/**
* Creates a new LocalStorage file system using the contents of `localStorage`.
*/
function LocalStorageFileSystem() {
return _super.call(this, { store: new LocalStorageStore() }) || this;
}
/**
* Creates a LocalStorageFileSystem instance.
*/
LocalStorageFileSystem.Create = function (options, cb) {
cb(null, new LocalStorageFileSystem());
};
LocalStorageFileSystem.isAvailable = function () {
return typeof global_1.default.localStorage !== 'undefined';
};
LocalStorageFileSystem.Name = "LocalStorage";
LocalStorageFileSystem.Options = {};
return LocalStorageFileSystem;
}(key_value_filesystem_1.SyncKeyValueFileSystem));
exports.default = LocalStorageFileSystem;