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| ; | |
| const conversions = require("webidl-conversions"); | |
| const utils = require("./utils.js"); | |
| const implSymbol = utils.implSymbol; | |
| const ctorRegistrySymbol = utils.ctorRegistrySymbol; | |
| const interfaceName = "CSSRuleList"; | |
| 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 'CSSRuleList'.`); | |
| }; | |
| function makeWrapper(globalObject, newTarget) { | |
| let proto; | |
| if (newTarget !== undefined) { | |
| proto = newTarget.prototype; | |
| } | |
| if (!utils.isObject(proto)) { | |
| proto = globalObject[ctorRegistrySymbol]["CSSRuleList"].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 CSSRuleList { | |
| 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 CSSRuleList."); | |
| } | |
| if (arguments.length < 1) { | |
| throw new globalObject.TypeError( | |
| `Failed to execute 'item' on 'CSSRuleList': 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 'CSSRuleList': parameter 1", | |
| globals: globalObject | |
| }); | |
| args.push(curArg); | |
| } | |
| return utils.tryWrapperForImpl(esValue[implSymbol].item(...args)); | |
| } | |
| 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 CSSRuleList." | |
| ); | |
| } | |
| return esValue[implSymbol]["length"]; | |
| } | |
| } | |
| Object.defineProperties(CSSRuleList.prototype, { | |
| item: { enumerable: true }, | |
| length: { enumerable: true }, | |
| [Symbol.toStringTag]: { value: "CSSRuleList", configurable: true }, | |
| [Symbol.iterator]: { value: globalObject.Array.prototype[Symbol.iterator], configurable: true, writable: true } | |
| }); | |
| ctorRegistry[interfaceName] = CSSRuleList; | |
| Object.defineProperty(globalObject, interfaceName, { | |
| configurable: true, | |
| writable: true, | |
| value: CSSRuleList | |
| }); | |
| }; | |
| 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; | |
| const indexedValue = target[implSymbol].item(index); | |
| if (indexedValue !== null) { | |
| 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; | |
| const indexedValue = target[implSymbol].item(index); | |
| if (indexedValue !== null) { | |
| 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].item(index) !== null); | |
| } | |
| return Reflect.deleteProperty(target, P); | |
| } | |
| preventExtensions() { | |
| return false; | |
| } | |
| } | |
| const Impl = require("../../jsdom/living/css/CSSRuleList-impl.js"); | |