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- "use strict";
- const conversions = require("webidl-conversions");
- const utils = require("./utils.js");
- const implSymbol = utils.implSymbol;
- const ctorRegistrySymbol = utils.ctorRegistrySymbol;
- const interfaceName = "Plugin";
- exports.is = value => {
- return utils.isObject(value) && Object.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation;
- };
- exports.isImpl = value => {
- return utils.isObject(value) && value instanceof Impl.implementation;
- };
- exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
- if (exports.is(value)) {
- return utils.implForWrapper(value);
- }
- throw new globalObject.TypeError(`${context} is not of type 'Plugin'.`);
- };
- function makeWrapper(globalObject, newTarget) {
- let proto;
- if (newTarget !== undefined) {
- proto = newTarget.prototype;
- }
- if (!utils.isObject(proto)) {
- proto = globalObject[ctorRegistrySymbol]["Plugin"].prototype;
- }
- return Object.create(proto);
- }
- function makeProxy(wrapper, globalObject) {
- let proxyHandler = proxyHandlerCache.get(globalObject);
- if (proxyHandler === undefined) {
- proxyHandler = new ProxyHandler(globalObject);
- proxyHandlerCache.set(globalObject, proxyHandler);
- }
- return new Proxy(wrapper, proxyHandler);
- }
- exports.create = (globalObject, constructorArgs, privateData) => {
- const wrapper = makeWrapper(globalObject);
- return exports.setup(wrapper, globalObject, constructorArgs, privateData);
- };
- exports.createImpl = (globalObject, constructorArgs, privateData) => {
- const wrapper = exports.create(globalObject, constructorArgs, privateData);
- return utils.implForWrapper(wrapper);
- };
- exports._internalSetup = (wrapper, globalObject) => {};
- exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => {
- privateData.wrapper = wrapper;
- exports._internalSetup(wrapper, globalObject);
- Object.defineProperty(wrapper, implSymbol, {
- value: new Impl.implementation(globalObject, constructorArgs, privateData),
- configurable: true
- });
- wrapper = makeProxy(wrapper, globalObject);
- wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
- if (Impl.init) {
- Impl.init(wrapper[implSymbol]);
- }
- return wrapper;
- };
- exports.new = (globalObject, newTarget) => {
- let wrapper = makeWrapper(globalObject, newTarget);
- exports._internalSetup(wrapper, globalObject);
- Object.defineProperty(wrapper, implSymbol, {
- value: Object.create(Impl.implementation.prototype),
- configurable: true
- });
- wrapper = makeProxy(wrapper, globalObject);
- wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
- if (Impl.init) {
- Impl.init(wrapper[implSymbol]);
- }
- return wrapper[implSymbol];
- };
- const exposed = new Set(["Window"]);
- exports.install = (globalObject, globalNames) => {
- if (!globalNames.some(globalName => exposed.has(globalName))) {
- return;
- }
- const ctorRegistry = utils.initCtorRegistry(globalObject);
- class Plugin {
- constructor() {
- throw new globalObject.TypeError("Illegal constructor");
- }
- item(index) {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError("'item' called on an object that is not a valid instance of Plugin.");
- }
- if (arguments.length < 1) {
- throw new globalObject.TypeError(
- `Failed to execute 'item' on 'Plugin': 1 argument required, but only ${arguments.length} present.`
- );
- }
- const args = [];
- {
- let curArg = arguments[0];
- curArg = conversions["unsigned long"](curArg, {
- context: "Failed to execute 'item' on 'Plugin': parameter 1",
- globals: globalObject
- });
- args.push(curArg);
- }
- return esValue[implSymbol].item(...args);
- }
- namedItem(name) {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError("'namedItem' called on an object that is not a valid instance of Plugin.");
- }
- if (arguments.length < 1) {
- throw new globalObject.TypeError(
- `Failed to execute 'namedItem' on 'Plugin': 1 argument required, but only ${arguments.length} present.`
- );
- }
- const args = [];
- {
- let curArg = arguments[0];
- curArg = conversions["DOMString"](curArg, {
- context: "Failed to execute 'namedItem' on 'Plugin': parameter 1",
- globals: globalObject
- });
- args.push(curArg);
- }
- return esValue[implSymbol].namedItem(...args);
- }
- get name() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError("'get name' called on an object that is not a valid instance of Plugin.");
- }
- return esValue[implSymbol]["name"];
- }
- get description() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError(
- "'get description' called on an object that is not a valid instance of Plugin."
- );
- }
- return esValue[implSymbol]["description"];
- }
- get filename() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError("'get filename' called on an object that is not a valid instance of Plugin.");
- }
- return esValue[implSymbol]["filename"];
- }
- get length() {
- const esValue = this !== null && this !== undefined ? this : globalObject;
- if (!exports.is(esValue)) {
- throw new globalObject.TypeError("'get length' called on an object that is not a valid instance of Plugin.");
- }
- return esValue[implSymbol]["length"];
- }
- }
- Object.defineProperties(Plugin.prototype, {
- item: { enumerable: true },
- namedItem: { enumerable: true },
- name: { enumerable: true },
- description: { enumerable: true },
- filename: { enumerable: true },
- length: { enumerable: true },
- [Symbol.toStringTag]: { value: "Plugin", configurable: true },
- [Symbol.iterator]: { value: globalObject.Array.prototype[Symbol.iterator], configurable: true, writable: true }
- });
- ctorRegistry[interfaceName] = Plugin;
- Object.defineProperty(globalObject, interfaceName, {
- configurable: true,
- writable: true,
- value: Plugin
- });
- };
- const proxyHandlerCache = new WeakMap();
- class ProxyHandler {
- constructor(globalObject) {
- this._globalObject = globalObject;
- }
- get(target, P, receiver) {
- if (typeof P === "symbol") {
- return Reflect.get(target, P, receiver);
- }
- const desc = this.getOwnPropertyDescriptor(target, P);
- if (desc === undefined) {
- const parent = Object.getPrototypeOf(target);
- if (parent === null) {
- return undefined;
- }
- return Reflect.get(target, P, receiver);
- }
- if (!desc.get && !desc.set) {
- return desc.value;
- }
- const getter = desc.get;
- if (getter === undefined) {
- return undefined;
- }
- return Reflect.apply(getter, receiver, []);
- }
- has(target, P) {
- if (typeof P === "symbol") {
- return Reflect.has(target, P);
- }
- const desc = this.getOwnPropertyDescriptor(target, P);
- if (desc !== undefined) {
- return true;
- }
- const parent = Object.getPrototypeOf(target);
- if (parent !== null) {
- return Reflect.has(parent, P);
- }
- return false;
- }
- ownKeys(target) {
- const keys = new Set();
- for (const key of target[implSymbol][utils.supportedPropertyIndices]) {
- keys.add(`${key}`);
- }
- for (const key of Reflect.ownKeys(target)) {
- keys.add(key);
- }
- return [...keys];
- }
- getOwnPropertyDescriptor(target, P) {
- if (typeof P === "symbol") {
- return Reflect.getOwnPropertyDescriptor(target, P);
- }
- let ignoreNamedProps = false;
- if (utils.isArrayIndexPropName(P)) {
- const index = P >>> 0;
- if (target[implSymbol][utils.supportsPropertyIndex](index)) {
- const indexedValue = target[implSymbol].item(index);
- return {
- writable: false,
- enumerable: true,
- configurable: true,
- value: utils.tryWrapperForImpl(indexedValue)
- };
- }
- ignoreNamedProps = true;
- }
- return Reflect.getOwnPropertyDescriptor(target, P);
- }
- set(target, P, V, receiver) {
- if (typeof P === "symbol") {
- return Reflect.set(target, P, V, receiver);
- }
- // The `receiver` argument refers to the Proxy exotic object or an object
- // that inherits from it, whereas `target` refers to the Proxy target:
- if (target[implSymbol][utils.wrapperSymbol] === receiver) {
- const globalObject = this._globalObject;
- }
- let ownDesc;
- if (utils.isArrayIndexPropName(P)) {
- const index = P >>> 0;
- if (target[implSymbol][utils.supportsPropertyIndex](index)) {
- const indexedValue = target[implSymbol].item(index);
- ownDesc = {
- writable: false,
- enumerable: true,
- configurable: true,
- value: utils.tryWrapperForImpl(indexedValue)
- };
- }
- }
- if (ownDesc === undefined) {
- ownDesc = Reflect.getOwnPropertyDescriptor(target, P);
- }
- return utils.ordinarySetWithOwnDescriptor(target, P, V, receiver, ownDesc);
- }
- defineProperty(target, P, desc) {
- if (typeof P === "symbol") {
- return Reflect.defineProperty(target, P, desc);
- }
- const globalObject = this._globalObject;
- if (utils.isArrayIndexPropName(P)) {
- return false;
- }
- return Reflect.defineProperty(target, P, desc);
- }
- deleteProperty(target, P) {
- if (typeof P === "symbol") {
- return Reflect.deleteProperty(target, P);
- }
- const globalObject = this._globalObject;
- if (utils.isArrayIndexPropName(P)) {
- const index = P >>> 0;
- return !target[implSymbol][utils.supportsPropertyIndex](index);
- }
- return Reflect.deleteProperty(target, P);
- }
- preventExtensions() {
- return false;
- }
- }
- const Impl = require("../../jsdom/living/navigator/Plugin-impl.js");
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