mirror of
https://github.com/denoland/deno
synced 2024-08-24 18:47:06 +00:00
191 lines
4.6 KiB
JavaScript
191 lines
4.6 KiB
JavaScript
![]() |
((window) => {
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const core = window.Deno.core;
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const webidl = window.__bootstrap.webidl;
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const _rid = Symbol("[[rid]]");
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class Storage {
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[_rid];
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constructor() {
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webidl.illegalConstructor();
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}
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get length() {
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webidl.assertBranded(this, Storage);
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return core.opSync("op_webstorage_length", this[_rid]);
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}
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key(index) {
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webidl.assertBranded(this, Storage);
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const prefix = "Failed to execute 'key' on 'Storage'";
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webidl.requiredArguments(arguments.length, 1, { prefix });
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index = webidl.converters["unsigned long"](index, {
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prefix,
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context: "Argument 1",
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});
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return core.opSync("op_webstorage_key", {
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rid: this[_rid],
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index,
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});
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}
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setItem(key, value) {
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webidl.assertBranded(this, Storage);
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const prefix = "Failed to execute 'setItem' on 'Storage'";
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webidl.requiredArguments(arguments.length, 2, { prefix });
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key = webidl.converters.DOMString(key, {
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prefix,
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context: "Argument 1",
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});
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value = webidl.converters.DOMString(value, {
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prefix,
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context: "Argument 2",
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});
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core.opSync("op_webstorage_set", {
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rid: this[_rid],
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keyName: key,
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keyValue: value,
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});
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}
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getItem(key) {
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webidl.assertBranded(this, Storage);
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const prefix = "Failed to execute 'getItem' on 'Storage'";
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webidl.requiredArguments(arguments.length, 1, { prefix });
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key = webidl.converters.DOMString(key, {
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prefix,
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context: "Argument 1",
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});
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return core.opSync("op_webstorage_get", {
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rid: this[_rid],
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keyName: key,
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});
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}
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removeItem(key) {
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webidl.assertBranded(this, Storage);
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const prefix = "Failed to execute 'removeItem' on 'Storage'";
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webidl.requiredArguments(arguments.length, 1, { prefix });
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key = webidl.converters.DOMString(key, {
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prefix,
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context: "Argument 1",
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});
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core.opSync("op_webstorage_remove", {
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rid: this[_rid],
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keyName: key,
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});
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}
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clear() {
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webidl.assertBranded(this, Storage);
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core.opSync("op_webstorage_clear", this[_rid]);
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}
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}
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function createStorage(persistent) {
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if (persistent) window.location;
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const rid = core.opSync("op_webstorage_open", persistent);
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const storage = webidl.createBranded(Storage);
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storage[_rid] = rid;
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const proxy = new Proxy(storage, {
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deleteProperty(target, key) {
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if (typeof key == "symbol") {
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delete target[key];
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} else {
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target.removeItem(key);
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}
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return true;
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},
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defineProperty(target, key, descriptor) {
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if (typeof key == "symbol") {
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Object.defineProperty(target, key, descriptor);
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} else {
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target.setItem(key, descriptor.value);
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}
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return true;
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},
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get(target, key) {
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if (typeof key == "symbol") return target[key];
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if (key in target) {
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return Reflect.get(...arguments);
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} else {
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return target.getItem(key) ?? undefined;
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}
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},
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set(target, key, value) {
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if (typeof key == "symbol") {
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Object.defineProperty(target, key, {
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value,
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configurable: true,
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});
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} else {
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target.setItem(key, value);
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}
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return true;
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},
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has(target, p) {
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return (typeof target.getItem(p)) === "string";
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},
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ownKeys() {
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return core.opSync("op_webstorage_iterate_keys", rid);
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},
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getOwnPropertyDescriptor(target, key) {
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if (arguments.length === 1) {
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return undefined;
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}
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if (key in target) {
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return undefined;
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}
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const value = target.getItem(key);
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if (value === null) {
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return undefined;
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}
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return {
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value,
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enumerable: true,
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configurable: true,
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writable: true,
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};
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},
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});
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proxy[Symbol.for("Deno.customInspect")] = function (inspect) {
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return `${this.constructor.name} ${
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inspect({
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length: this.length,
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...Object.fromEntries(Object.entries(proxy)),
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})
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}`;
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};
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return proxy;
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}
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let localStorage;
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let sessionStorage;
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window.__bootstrap.webStorage = {
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localStorage() {
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if (!localStorage) {
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localStorage = createStorage(true);
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}
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return localStorage;
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},
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sessionStorage() {
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if (!sessionStorage) {
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sessionStorage = createStorage(false);
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}
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return sessionStorage;
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},
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Storage,
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};
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})(this);
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