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A JavaScript implementation of many web standards

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"use strict"; const conversions = require("webidl-conversions"); const utils = require("./utils.js"); const EventHandlerNonNull = require("./EventHandlerNonNull.js"); const implSymbol = utils.implSymbol; const ctorRegistrySymbol = utils.ctorRegistrySymbol; const EventTarget = require("./EventTarget.js"); const interfaceName = "AbortSignal"; exports.is = value => { return utils.isObject(value) && utils.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 'AbortSignal'.`); }; function makeWrapper(globalObject, newTarget) { let proto; if (newTarget !== undefined) { proto = newTarget.prototype; } if (!utils.isObject(proto)) { proto = globalObject[ctorRegistrySymbol]["AbortSignal"].prototype; } return Object.create(proto); } 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) => { EventTarget._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[implSymbol][utils.wrapperSymbol] = wrapper; if (Impl.init) { Impl.init(wrapper[implSymbol]); } return wrapper; }; exports.new = (globalObject, newTarget) => { const wrapper = makeWrapper(globalObject, newTarget); exports._internalSetup(wrapper, globalObject); Object.defineProperty(wrapper, implSymbol, { value: Object.create(Impl.implementation.prototype), configurable: true }); wrapper[implSymbol][utils.wrapperSymbol] = wrapper; if (Impl.init) { Impl.init(wrapper[implSymbol]); } return wrapper[implSymbol]; }; const exposed = new Set(["Window", "Worker"]); exports.install = (globalObject, globalNames) => { if (!globalNames.some(globalName => exposed.has(globalName))) { return; } const ctorRegistry = utils.initCtorRegistry(globalObject); class AbortSignal extends globalObject.EventTarget { constructor() { throw new globalObject.TypeError("Illegal constructor"); } throwIfAborted() { const esValue = this !== null && this !== undefined ? this : globalObject; if (!exports.is(esValue)) { throw new globalObject.TypeError( "'throwIfAborted' called on an object that is not a valid instance of AbortSignal." ); } return esValue[implSymbol].throwIfAborted(); } get aborted() { const esValue = this !== null && this !== undefined ? this : globalObject; if (!exports.is(esValue)) { throw new globalObject.TypeError( "'get aborted' called on an object that is not a valid instance of AbortSignal." ); } return esValue[implSymbol]["aborted"]; } get reason() { const esValue = this !== null && this !== undefined ? this : globalObject; if (!exports.is(esValue)) { throw new globalObject.TypeError( "'get reason' called on an object that is not a valid instance of AbortSignal." ); } return esValue[implSymbol]["reason"]; } get onabort() { const esValue = this !== null && this !== undefined ? this : globalObject; if (!exports.is(esValue)) { throw new globalObject.TypeError( "'get onabort' called on an object that is not a valid instance of AbortSignal." ); } return utils.tryWrapperForImpl(esValue[implSymbol]["onabort"]); } set onabort(V) { const esValue = this !== null && this !== undefined ? this : globalObject; if (!exports.is(esValue)) { throw new globalObject.TypeError( "'set onabort' called on an object that is not a valid instance of AbortSignal." ); } if (!utils.isObject(V)) { V = null; } else { V = EventHandlerNonNull.convert(globalObject, V, { context: "Failed to set the 'onabort' property on 'AbortSignal': The provided value" }); } esValue[implSymbol]["onabort"] = V; } static abort() { const args = []; { let curArg = arguments[0]; if (curArg !== undefined) { curArg = conversions["any"](curArg, { context: "Failed to execute 'abort' on 'AbortSignal': parameter 1", globals: globalObject }); } args.push(curArg); } return utils.tryWrapperForImpl(Impl.implementation.abort(globalObject, ...args)); } static timeout(milliseconds) { if (arguments.length < 1) { throw new globalObject.TypeError( `Failed to execute 'timeout' on 'AbortSignal': 1 argument required, but only ${arguments.length} present.` ); } const args = []; { let curArg = arguments[0]; curArg = conversions["unsigned long long"](curArg, { context: "Failed to execute 'timeout' on 'AbortSignal': parameter 1", globals: globalObject, enforceRange: true }); args.push(curArg); } return utils.tryWrapperForImpl(Impl.implementation.timeout(globalObject, ...args)); } static any(signals) { if (arguments.length < 1) { throw new globalObject.TypeError( `Failed to execute 'any' on 'AbortSignal': 1 argument required, but only ${arguments.length} present.` ); } const args = []; { let curArg = arguments[0]; if (!utils.isObject(curArg)) { throw new globalObject.TypeError( "Failed to execute 'any' on 'AbortSignal': parameter 1" + " is not an iterable object." ); } else { const V = []; const tmp = curArg; for (let nextItem of tmp) { nextItem = exports.convert(globalObject, nextItem, { context: "Failed to execute 'any' on 'AbortSignal': parameter 1" + "'s element" }); V.push(nextItem); } curArg = V; } args.push(curArg); } return utils.tryWrapperForImpl(Impl.implementation.any(globalObject, ...args)); } } Object.defineProperties(AbortSignal.prototype, { throwIfAborted: { enumerable: true }, aborted: { enumerable: true }, reason: { enumerable: true }, onabort: { enumerable: true }, [Symbol.toStringTag]: { value: "AbortSignal", configurable: true } }); Object.defineProperties(AbortSignal, { abort: { enumerable: true }, timeout: { enumerable: true }, any: { enumerable: true } }); ctorRegistry[interfaceName] = AbortSignal; Object.defineProperty(globalObject, interfaceName, { configurable: true, writable: true, value: AbortSignal }); }; const Impl = require("../aborting/AbortSignal-impl.js");