// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license. /// <reference path="../../core/internal.d.ts" /> import { primordials } from "ext:core/mod.js"; import { op_webstorage_clear, op_webstorage_get, op_webstorage_iterate_keys, op_webstorage_key, op_webstorage_length, op_webstorage_remove, op_webstorage_set, } from "ext:core/ops"; const { Symbol, SymbolFor, ObjectFromEntries, ObjectEntries, ReflectDefineProperty, ReflectDeleteProperty, ReflectGet, ReflectHas, Proxy, } = primordials; import * as webidl from "ext:deno_webidl/00_webidl.js"; const _persistent = Symbol("[[persistent]]"); class Storage { [_persistent]; constructor() { webidl.illegalConstructor(); } get length() { webidl.assertBranded(this, StoragePrototype); return op_webstorage_length(this[_persistent]); } key(index) { webidl.assertBranded(this, StoragePrototype); const prefix = "Failed to execute 'key' on 'Storage'"; webidl.requiredArguments(arguments.length, 1, prefix); index = webidl.converters["unsigned long"](index, prefix, "Argument 1"); return op_webstorage_key(index, this[_persistent]); } setItem(key, value) { webidl.assertBranded(this, StoragePrototype); const prefix = "Failed to execute 'setItem' on 'Storage'"; webidl.requiredArguments(arguments.length, 2, prefix); key = webidl.converters.DOMString(key, prefix, "Argument 1"); value = webidl.converters.DOMString(value, prefix, "Argument 2"); op_webstorage_set(key, value, this[_persistent]); } getItem(key) { webidl.assertBranded(this, StoragePrototype); const prefix = "Failed to execute 'getItem' on 'Storage'"; webidl.requiredArguments(arguments.length, 1, prefix); key = webidl.converters.DOMString(key, prefix, "Argument 1"); return op_webstorage_get(key, this[_persistent]); } removeItem(key) { webidl.assertBranded(this, StoragePrototype); const prefix = "Failed to execute 'removeItem' on 'Storage'"; webidl.requiredArguments(arguments.length, 1, prefix); key = webidl.converters.DOMString(key, prefix, "Argument 1"); op_webstorage_remove(key, this[_persistent]); } clear() { webidl.assertBranded(this, StoragePrototype); op_webstorage_clear(this[_persistent]); } } const StoragePrototype = Storage.prototype; function createStorage(persistent) { const storage = webidl.createBranded(Storage); storage[_persistent] = persistent; const proxy = new Proxy(storage, { deleteProperty(target, key) { if (typeof key === "symbol") { return ReflectDeleteProperty(target, key); } target.removeItem(key); return true; }, defineProperty(target, key, descriptor) { if (typeof key === "symbol") { return ReflectDefineProperty(target, key, descriptor); } target.setItem(key, descriptor.value); return true; }, get(target, key, receiver) { if (typeof key === "symbol") { return target[key]; } if (ReflectHas(target, key)) { return ReflectGet(target, key, receiver); } return target.getItem(key) ?? undefined; }, set(target, key, value) { if (typeof key === "symbol") { return ReflectDefineProperty(target, key, { __proto__: null, value, configurable: true, }); } target.setItem(key, value); return true; }, has(target, key) { if (ReflectHas(target, key)) { return true; } return typeof key === "string" && typeof target.getItem(key) === "string"; }, ownKeys() { return op_webstorage_iterate_keys(persistent); }, getOwnPropertyDescriptor(target, key) { if (ReflectHas(target, key)) { return undefined; } const value = target.getItem(key); if (value === null) { return undefined; } return { value, enumerable: true, configurable: true, writable: true, }; }, }); storage[SymbolFor("Deno.privateCustomInspect")] = function ( inspect, inspectOptions, ) { return `${this.constructor.name} ${ inspect({ ...ObjectFromEntries(ObjectEntries(proxy)), length: this.length, }, inspectOptions) }`; }; return proxy; } let localStorageStorage; function localStorage() { if (!localStorageStorage) { localStorageStorage = createStorage(true); } return localStorageStorage; } let sessionStorageStorage; function sessionStorage() { if (!sessionStorageStorage) { sessionStorageStorage = createStorage(false); } return sessionStorageStorage; } export { localStorage, sessionStorage, Storage };