IOTConnect-Web/node_modules/abort-controller/dist/abort-controller.umd.js.map

{"version":3,"file":"abort-controller.umd.js","sources":["../node_modules/event-target-shim/dist/event-target-shim.mjs","../src/abort-signal.ts","../src/abort-controller.ts"],"sourcesContent":["/**\n * @author Toru Nagashima <https://github.com/mysticatea>\n * @copyright 2015 Toru Nagashima. All rights reserved.\n * See LICENSE file in root directory for full license.\n */\n/**\n * @typedef {object} PrivateData\n * @property {EventTarget} eventTarget The event target.\n * @property {{type:string}} event The original event object.\n * @property {number} eventPhase The current event phase.\n * @property {EventTarget|null} currentTarget The current event target.\n * @property {boolean} canceled The flag to prevent default.\n * @property {boolean} stopped The flag to stop propagation.\n * @property {boolean} immediateStopped The flag to stop propagation immediately.\n * @property {Function|null} passiveListener The listener if the current listener is passive. Otherwise this is null.\n * @property {number} timeStamp The unix time.\n * @private\n */\n\n/**\n * Private data for event wrappers.\n * @type {WeakMap<Event, PrivateData>}\n * @private\n */\nconst privateData = new WeakMap();\n\n/**\n * Cache for wrapper classes.\n * @type {WeakMap<Object, Function>}\n * @private\n */\nconst wrappers = new WeakMap();\n\n/**\n * Get private data.\n * @param {Event} event The event object to get private data.\n * @returns {PrivateData} The private data of the event.\n * @private\n */\nfunction pd(event) {\n    const retv = privateData.get(event);\n    console.assert(\n        retv != null,\n        \"'this' is expected an Event object, but got\",\n        event\n    );\n    return retv\n}\n\n/**\n * https://dom.spec.whatwg.org/#set-the-canceled-flag\n * @param data {PrivateData} private data.\n */\nfunction setCancelFlag(data) {\n    if (data.passiveListener != null) {\n        if (\n            typeof console !== \"undefined\" &&\n            typeof console.error === \"function\"\n        ) {\n            console.error(\n                \"Unable to preventDefault inside passive event listener invocation.\",\n                data.passiveListener\n            );\n        }\n        return\n    }\n    if (!data.event.cancelable) {\n        return\n    }\n\n    data.canceled = true;\n    if (typeof data.event.preventDefault === \"function\") {\n        data.event.preventDefault();\n    }\n}\n\n/**\n * @see https://dom.spec.whatwg.org/#interface-event\n * @private\n */\n/**\n * The event wrapper.\n * @constructor\n * @param {EventTarget} eventTarget The event target of this dispatching.\n * @param {Event|{type:string}} event The original event to wrap.\n */\nfunction Event(eventTarget, event) {\n    privateData.set(this, {\n        eventTarget,\n        event,\n        eventPhase: 2,\n        currentTarget: eventTarget,\n        canceled: false,\n        stopped: false,\n        immediateStopped: false,\n        passiveListener: null,\n        timeStamp: event.timeStamp || Date.now(),\n    });\n\n    // https://heycam.github.io/webidl/#Unforgeable\n    Object.defineProperty(this, \"isTrusted\", { value: false, enumerable: true });\n\n    // Define accessors\n    const keys = Object.keys(event);\n    for (let i = 0; i < keys.length; ++i) {\n        const key = keys[i];\n        if (!(key in this)) {\n            Object.defineProperty(this, key, defineRedirectDescriptor(key));\n        }\n    }\n}\n\n// Should be enumerable, but class methods are not enumerable.\nEvent.prototype = {\n    /**\n     * The type of this event.\n     * @type {string}\n     */\n    get type() {\n        return pd(this).event.type\n    },\n\n    /**\n     * The target of this event.\n     * @type {EventTarget}\n     */\n    get target() {\n        return pd(this).eventTarget\n    },\n\n    /**\n     * The target of this event.\n     * @type {EventTarget}\n     */\n    get currentTarget() {\n        return pd(this).currentTarget\n    },\n\n    /**\n     * @returns {EventTarget[]} The composed path of this event.\n     */\n    composedPath() {\n        const currentTarget = pd(this).currentTarget;\n        if (currentTarget == null) {\n            return []\n        }\n        return [currentTarget]\n    },\n\n    /**\n     * Constant of NONE.\n     * @type {number}\n     */\n    get NONE() {\n        return 0\n    },\n\n    /**\n     * Constant of CAPTURING_PHASE.\n     * @type {number}\n     */\n    get CAPTURING_PHASE() {\n        return 1\n    },\n\n    /**\n     * Constant of AT_TARGET.\n     * @type {number}\n     */\n    get AT_TARGET() {\n        return 2\n    },\n\n    /**\n     * Constant of BUBBLING_PHASE.\n     * @type {number}\n     */\n    get BUBBLING_PHASE() {\n        return 3\n    },\n\n    /**\n     * The target of this event.\n     * @type {number}\n     */\n    get eventPhase() {\n        return pd(this).eventPhase\n    },\n\n    /**\n     * Stop event bubbling.\n     * @returns {void}\n     */\n    stopPropagation() {\n        const data = pd(this);\n\n        data.stopped = true;\n        if (typeof data.event.stopPropagation === \"function\") {\n            data.event.stopPropagation();\n        }\n    },\n\n    /**\n     * Stop event bubbling.\n     * @returns {void}\n     */\n    stopImmediatePropagation() {\n        const data = pd(this);\n\n        data.stopped = true;\n        data.immediateStopped = true;\n        if (typeof data.event.stopImmediatePropagation === \"function\") {\n            data.event.stopImmediatePropagation();\n        }\n    },\n\n    /**\n     * The flag to be bubbling.\n     * @type {boolean}\n     */\n    get bubbles() {\n        return Boolean(pd(this).event.bubbles)\n    },\n\n    /**\n     * The flag to be cancelable.\n     * @type {boolean}\n     */\n    get cancelable() {\n        return Boolean(pd(this).event.cancelable)\n    },\n\n    /**\n     * Cancel this event.\n     * @returns {void}\n     */\n    preventDefault() {\n        setCancelFlag(pd(this));\n    },\n\n    /**\n     * The flag to indicate cancellation state.\n     * @type {boolean}\n     */\n    get defaultPrevented() {\n        return pd(this).canceled\n    },\n\n    /**\n     * The flag to be composed.\n     * @type {boolean}\n     */\n    get composed() {\n        return Boolean(pd(this).event.composed)\n    },\n\n    /**\n     * The unix time of this event.\n     * @type {number}\n     */\n    get timeStamp() {\n        return pd(this).timeStamp\n    },\n\n    /**\n     * The target of this event.\n     * @type {EventTarget}\n     * @deprecated\n     */\n    get srcElement() {\n        return pd(this).eventTarget\n    },\n\n    /**\n     * The flag to stop event bubbling.\n     * @type {boolean}\n     * @deprecated\n     */\n    get cancelBubble() {\n        return pd(this).stopped\n    },\n    set cancelBubble(value) {\n        if (!value) {\n            return\n        }\n        const data = pd(this);\n\n        data.stopped = true;\n        if (typeof data.event.cancelBubble === \"boolean\") {\n            data.event.cancelBubble = true;\n        }\n    },\n\n    /**\n     * The flag to indicate cancellation state.\n     * @type {boolean}\n     * @deprecated\n     */\n    get returnValue() {\n        return !pd(this).canceled\n    },\n    set returnValue(value) {\n        if (!value) {\n            setCancelFlag(pd(this));\n        }\n    },\n\n    /**\n     * Initialize this event object. But do nothing under event dispatching.\n     * @param {string} type The event type.\n     * @param {boolean} [bubbles=false] The flag to be possible to bubble up.\n     * @param {boolean} [cancelable=false] The flag to be possible to cancel.\n     * @deprecated\n     */\n    initEvent() {\n        // Do nothing.\n    },\n};\n\n// `constructor` is not enumerable.\nObject.defineProperty(Event.prototype, \"constructor\", {\n    value: Event,\n    configurable: true,\n    writable: true,\n});\n\n// Ensure `event instanceof window.Event` is `true`.\nif (typeof window !== \"undefined\" && typeof window.Event !== \"undefined\") {\n    Object.setPrototypeOf(Event.prototype, window.Event.prototype);\n\n    // Make association for wrappers.\n    wrappers.set(window.Event.prototype, Event);\n}\n\n/**\n * Get the property descriptor to redirect a given property.\n * @param {string} key Property name to define property descriptor.\n * @returns {PropertyDescriptor} The property descriptor to redirect the property.\n * @private\n */\nfunction defineRedirectDescriptor(key) {\n    return {\n        get() {\n            return pd(this).event[key]\n        },\n        set(value) {\n            pd(this).event[key] = value;\n        },\n        configurable: true,\n        enumerable: true,\n    }\n}\n\n/**\n * Get the property descriptor to call a given method property.\n * @param {string} key Property name to define property descriptor.\n * @returns {PropertyDescriptor} The property descriptor to call the method property.\n * @private\n */\nfunction defineCallDescriptor(key) {\n    return {\n        value() {\n            const event = pd(this).event;\n            return event[key].apply(event, arguments)\n        },\n        configurable: true,\n        enumerable: true,\n    }\n}\n\n/**\n * Define new wrapper class.\n * @param {Function} BaseEvent The base wrapper class.\n * @param {Object} proto The prototype of the original event.\n * @returns {Function} The defined wrapper class.\n * @private\n */\nfunction defineWrapper(BaseEvent, proto) {\n    const keys = Object.keys(proto);\n    if (keys.length === 0) {\n        return BaseEvent\n    }\n\n    /** CustomEvent */\n    function CustomEvent(eventTarget, event) {\n        BaseEvent.call(this, eventTarget, event);\n    }\n\n    CustomEvent.prototype = Object.create(BaseEvent.prototype, {\n        constructor: { value: CustomEvent, configurable: true, writable: true },\n    });\n\n    // Define accessors.\n    for (let i = 0; i < keys.length; ++i) {\n        const key = keys[i];\n        if (!(key in BaseEvent.prototype)) {\n            const descriptor = Object.getOwnPropertyDescriptor(proto, key);\n            const isFunc = typeof descriptor.value === \"function\";\n            Object.defineProperty(\n                CustomEvent.prototype,\n                key,\n                isFunc\n                    ? defineCallDescriptor(key)\n                    : defineRedirectDescriptor(key)\n            );\n        }\n    }\n\n    return CustomEvent\n}\n\n/**\n * Get the wrapper class of a given prototype.\n * @param {Object} proto The prototype of the original event to get its wrapper.\n * @returns {Function} The wrapper class.\n * @private\n */\nfunction getWrapper(proto) {\n    if (proto == null || proto === Object.prototype) {\n        return Event\n    }\n\n    let wrapper = wrappers.get(proto);\n    if (wrapper == null) {\n        wrapper = defineWrapper(getWrapper(Object.getPrototypeOf(proto)), proto);\n        wrappers.set(proto, wrapper);\n    }\n    return wrapper\n}\n\n/**\n * Wrap a given event to management a dispatching.\n * @param {EventTarget} eventTarget The event target of this dispatching.\n * @param {Object} event The event to wrap.\n * @returns {Event} The wrapper instance.\n * @private\n */\nfunction wrapEvent(eventTarget, event) {\n    const Wrapper = getWrapper(Object.getPrototypeOf(event));\n    return new Wrapper(eventTarget, event)\n}\n\n/**\n * Get the immediateStopped flag of a given event.\n * @param {Event} event The event to get.\n * @returns {boolean} The flag to stop propagation immediately.\n * @private\n */\nfunction isStopped(event) {\n    return pd(event).immediateStopped\n}\n\n/**\n * Set the current event phase of a given event.\n * @param {Event} event The event to set current target.\n * @param {number} eventPhase New event phase.\n * @returns {void}\n * @private\n */\nfunction setEventPhase(event, eventPhase) {\n    pd(event).eventPhase = eventPhase;\n}\n\n/**\n * Set the current target of a given event.\n * @param {Event} event The event to set current target.\n * @param {EventTarget|null} currentTarget New current target.\n * @returns {void}\n * @private\n */\nfunction setCurrentTarget(event, currentTarget) {\n    pd(event).currentTarget = currentTarget;\n}\n\n/**\n * Set a passive listener of a given event.\n * @param {Event} event The event to set current target.\n * @param {Function|null} passiveListener New passive listener.\n * @returns {void}\n * @private\n */\nfunction setPassiveListener(event, passiveListener) {\n    pd(event).passiveListener = passiveListener;\n}\n\n/**\n * @typedef {object} ListenerNode\n * @property {Function} listener\n * @property {1|2|3} listenerType\n * @property {boolean} passive\n * @property {boolean} once\n * @property {ListenerNode|null} next\n * @private\n */\n\n/**\n * @type {WeakMap<object, Map<string, ListenerNode>>}\n * @private\n */\nconst listenersMap = new WeakMap();\n\n// Listener types\nconst CAPTURE = 1;\nconst BUBBLE = 2;\nconst ATTRIBUTE = 3;\n\n/**\n * Check whether a given value is an object or not.\n * @param {any} x The value to check.\n * @returns {boolean} `true` if the value is an object.\n */\nfunction isObject(x) {\n    return x !== null && typeof x === \"object\" //eslint-disable-line no-restricted-syntax\n}\n\n/**\n * Get listeners.\n * @param {EventTarget} eventTarget The event target to get.\n * @returns {Map<string, ListenerNode>} The listeners.\n * @private\n */\nfunction getListeners(eventTarget) {\n    const listeners = listenersMap.get(eventTarget);\n    if (listeners == null) {\n        throw new TypeError(\n            \"'this' is expected an EventTarget object, but got another value.\"\n        )\n    }\n    return listeners\n}\n\n/**\n * Get the property descriptor for the event attribute of a given event.\n * @param {string} eventName The event name to get property descriptor.\n * @returns {PropertyDescriptor} The property descriptor.\n * @private\n */\nfunction defineEventAttributeDescriptor(eventName) {\n    return {\n        get() {\n            const listeners = getListeners(this);\n            let node = listeners.get(eventName);\n            while (node != null) {\n                if (node.listenerType === ATTRIBUTE) {\n                    return node.listener\n                }\n                node = node.next;\n            }\n            return null\n        },\n\n        set(listener) {\n            if (typeof listener !== \"function\" && !isObject(listener)) {\n                listener = null; // eslint-disable-line no-param-reassign\n            }\n            const listeners = getListeners(this);\n\n            // Traverse to the tail while removing old value.\n            let prev = null;\n            let node = listeners.get(eventName);\n            while (node != null) {\n                if (node.listenerType === ATTRIBUTE) {\n                    // Remove old value.\n                    if (prev !== null) {\n                        prev.next = node.next;\n                    } else if (node.next !== null) {\n                        listeners.set(eventName, node.next);\n                    } else {\n                        listeners.delete(eventName);\n                    }\n                } else {\n                    prev = node;\n                }\n\n                node = node.next;\n            }\n\n            // Add new value.\n            if (listener !== null) {\n                const newNode = {\n                    listener,\n                    listenerType: ATTRIBUTE,\n                    passive: false,\n                    once: false,\n                    next: null,\n                };\n                if (prev === null) {\n                    listeners.set(eventName, newNode);\n                } else {\n                    prev.next = newNode;\n                }\n            }\n        },\n        configurable: true,\n        enumerable: true,\n    }\n}\n\n/**\n * Define an event attribute (e.g. `eventTarget.onclick`).\n * @param {Object} eventTargetPrototype The event target prototype to define an event attrbite.\n * @param {string} eventName The event name to define.\n * @returns {void}\n */\nfunction defineEventAttribute(eventTargetPrototype, eventName) {\n    Object.defineProperty(\n        eventTargetPrototype,\n        `on${eventName}`,\n        defineEventAttributeDescriptor(eventName)\n    );\n}\n\n/**\n * Define a custom EventTarget with event attributes.\n * @param {string[]} eventNames Event names for event attributes.\n * @returns {EventTarget} The custom EventTarget.\n * @private\n */\nfunction defineCustomEventTarget(eventNames) {\n    /** CustomEventTarget */\n    function CustomEventTarget() {\n        EventTarget.call(this);\n    }\n\n    CustomEventTarget.prototype = Object.create(EventTarget.prototype, {\n        constructor: {\n            value: CustomEventTarget,\n            configurable: true,\n            writable: true,\n        },\n    });\n\n    for (let i = 0; i < eventNames.length; ++i) {\n        defineEventAttribute(CustomEventTarget.prototype, eventNames[i]);\n    }\n\n    return CustomEventTarget\n}\n\n/**\n * EventTarget.\n *\n * - This is constructor if no arguments.\n * - This is a function which returns a CustomEventTarget constructor if there are arguments.\n *\n * For example:\n *\n *     class A extends EventTarget {}\n *     class B extends EventTarget(\"message\") {}\n *     class C extends EventTarget(\"message\", \"error\") {}\n *     class D extends EventTarget([\"message\", \"error\"]) {}\n */\nfunction EventTarget() {\n    /*eslint-disable consistent-return */\n    if (this instanceof EventTarget) {\n        listenersMap.set(this, new Map());\n        return\n    }\n    if (arguments.length === 1 && Array.isArray(arguments[0])) {\n        return defineCustomEventTarget(arguments[0])\n    }\n    if (arguments.length > 0) {\n        const types = new Array(arguments.length);\n        for (let i = 0; i < arguments.length; ++i) {\n            types[i] = arguments[i];\n        }\n        return defineCustomEventTarget(types)\n    }\n    throw new TypeError(\"Cannot call a class as a function\")\n    /*eslint-enable consistent-return */\n}\n\n// Should be enumerable, but class methods are not enumerable.\nEventTarget.prototype = {\n    /**\n     * Add a given listener to this event target.\n     * @param {string} eventName The event name to add.\n     * @param {Function} listener The listener to add.\n     * @param {boolean|{capture?:boolean,passive?:boolean,once?:boolean}} [options] The options for this listener.\n     * @returns {void}\n     */\n    addEventListener(eventName, listener, options) {\n        if (listener == null) {\n            return\n        }\n        if (typeof listener !== \"function\" && !isObject(listener)) {\n            throw new TypeError(\"'listener' should be a function or an object.\")\n        }\n\n        const listeners = getListeners(this);\n        const optionsIsObj = isObject(options);\n        const capture = optionsIsObj\n            ? Boolean(options.capture)\n            : Boolean(options);\n        const listenerType = capture ? CAPTURE : BUBBLE;\n        const newNode = {\n            listener,\n            listenerType,\n            passive: optionsIsObj && Boolean(options.passive),\n            once: optionsIsObj && Boolean(options.once),\n            next: null,\n        };\n\n        // Set it as the first node if the first node is null.\n        let node = listeners.get(eventName);\n        if (node === undefined) {\n            listeners.set(eventName, newNode);\n            return\n        }\n\n        // Traverse to the tail while checking duplication..\n        let prev = null;\n        while (node != null) {\n            if (\n                node.listener === listener &&\n                node.listenerType === listenerType\n            ) {\n                // Should ignore duplication.\n                return\n            }\n            prev = node;\n            node = node.next;\n        }\n\n        // Add it.\n        prev.next = newNode;\n    },\n\n    /**\n     * Remove a given listener from this event target.\n     * @param {string} eventName The event name to remove.\n     * @param {Function} listener The listener to remove.\n     * @param {boolean|{capture?:boolean,passive?:boolean,once?:boolean}} [options] The options for this listener.\n     * @returns {void}\n     */\n    removeEventListener(eventName, listener, options) {\n        if (listener == null) {\n            return\n        }\n\n        const listeners = getListeners(this);\n        const capture = isObject(options)\n            ? Boolean(options.capture)\n            : Boolean(options);\n        const listenerType = capture ? CAPTURE : BUBBLE;\n\n        let prev = null;\n        let node = listeners.get(eventName);\n        while (node != null) {\n            if (\n                node.listener === listener &&\n                node.listenerType === listenerType\n            ) {\n                if (prev !== null) {\n                    prev.next = node.next;\n                } else if (node.next !== null) {\n                    listeners.set(eventName, node.next);\n                } else {\n                    listeners.delete(eventName);\n                }\n                return\n            }\n\n            prev = node;\n            node = node.next;\n        }\n    },\n\n    /**\n     * Dispatch a given event.\n     * @param {Event|{type:string}} event The event to dispatch.\n     * @returns {boolean} `false` if canceled.\n     */\n    dispatchEvent(event) {\n        if (event == null || typeof event.type !== \"string\") {\n            throw new TypeError('\"event.type\" should be a string.')\n        }\n\n        // If listeners aren't registered, terminate.\n        const listeners = getListeners(this);\n        const eventName = event.type;\n        let node = listeners.get(eventName);\n        if (node == null) {\n            return true\n        }\n\n        // Since we cannot rewrite several properties, so wrap object.\n        const wrappedEvent = wrapEvent(this, event);\n\n        // This doesn't process capturing phase and bubbling phase.\n        // This isn't participating in a tree.\n        let prev = null;\n        while (node != null) {\n            // Remove this listener if it's once\n            if (node.once) {\n                if (prev !== null) {\n                    prev.next = node.next;\n                } else if (node.next !== null) {\n                    listeners.set(eventName, node.next);\n                } else {\n                    listeners.delete(eventName);\n                }\n            } else {\n                prev = node;\n            }\n\n            // Call this listener\n            setPassiveListener(\n                wrappedEvent,\n                node.passive ? node.listener : null\n            );\n            if (typeof node.listener === \"function\") {\n                try {\n                    node.listener.call(this, wrappedEvent);\n                } catch (err) {\n                    if (\n                        typeof console !== \"undefined\" &&\n                        typeof console.error === \"function\"\n                    ) {\n                        console.error(err);\n                    }\n                }\n            } else if (\n                node.listenerType !== ATTRIBUTE &&\n                typeof node.listener.handleEvent === \"function\"\n            ) {\n                node.listener.handleEvent(wrappedEvent);\n            }\n\n            // Break if `event.stopImmediatePropagation` was called.\n            if (isStopped(wrappedEvent)) {\n                break\n            }\n\n            node = node.next;\n        }\n        setPassiveListener(wrappedEvent, null);\n        setEventPhase(wrappedEvent, 0);\n        setCurrentTarget(wrappedEvent, null);\n\n        return !wrappedEvent.defaultPrevented\n    },\n};\n\n// `constructor` is not enumerable.\nObject.defineProperty(EventTarget.prototype, \"constructor\", {\n    value: EventTarget,\n    configurable: true,\n    writable: true,\n});\n\n// Ensure `eventTarget instanceof window.EventTarget` is `true`.\nif (\n    typeof window !== \"undefined\" &&\n    typeof window.EventTarget !== \"undefined\"\n) {\n    Object.setPrototypeOf(EventTarget.prototype, window.EventTarget.prototype);\n}\n\nexport default EventTarget;\nexport { defineEventAttribute, EventTarget };\n//# sourceMappingURL=event-target-shim.mjs.map\n","import {\n    // Event,\n    EventTarget,\n    // Type,\n    defineEventAttribute,\n} from \"event-target-shim\"\n\n// Known Limitation\n//   Use `any` because the type of `AbortSignal` in `lib.dom.d.ts` is wrong and\n//   to make assignable our `AbortSignal` into that.\n//   https://github.com/Microsoft/TSJS-lib-generator/pull/623\ntype Events = {\n    abort: any // Event & Type<\"abort\">\n}\ntype EventAttributes = {\n    onabort: any // Event & Type<\"abort\">\n}\n\n/**\n * The signal class.\n * @see https://dom.spec.whatwg.org/#abortsignal\n */\nexport default class AbortSignal extends EventTarget<Events, EventAttributes> {\n    /**\n     * AbortSignal cannot be constructed directly.\n     */\n    public constructor() {\n        super()\n        throw new TypeError(\"AbortSignal cannot be constructed directly\")\n    }\n\n    /**\n     * Returns `true` if this `AbortSignal`'s `AbortController` has signaled to abort, and `false` otherwise.\n     */\n    public get aborted(): boolean {\n        const aborted = abortedFlags.get(this)\n        if (typeof aborted !== \"boolean\") {\n            throw new TypeError(\n                `Expected 'this' to be an 'AbortSignal' object, but got ${\n                    this === null ? \"null\" : typeof this\n                }`,\n            )\n        }\n        return aborted\n    }\n}\ndefineEventAttribute(AbortSignal.prototype, \"abort\")\n\n/**\n * Create an AbortSignal object.\n */\nexport function createAbortSignal(): AbortSignal {\n    const signal = Object.create(AbortSignal.prototype)\n    EventTarget.call(signal)\n    abortedFlags.set(signal, false)\n    return signal\n}\n\n/**\n * Abort a given signal.\n */\nexport function abortSignal(signal: AbortSignal): void {\n    if (abortedFlags.get(signal) !== false) {\n        return\n    }\n\n    abortedFlags.set(signal, true)\n    signal.dispatchEvent<\"abort\">({ type: \"abort\" })\n}\n\n/**\n * Aborted flag for each instances.\n */\nconst abortedFlags = new WeakMap<AbortSignal, boolean>()\n\n// Properties should be enumerable.\nObject.defineProperties(AbortSignal.prototype, {\n    aborted: { enumerable: true },\n})\n\n// `toString()` should return `\"[object AbortSignal]\"`\nif (typeof Symbol === \"function\" && typeof Symbol.toStringTag === \"symbol\") {\n    Object.defineProperty(AbortSignal.prototype, Symbol.toStringTag, {\n        configurable: true,\n        value: \"AbortSignal\",\n    })\n}\n","import AbortSignal, { abortSignal, createAbortSignal } from \"./abort-signal\"\n\n/**\n * The AbortController.\n * @see https://dom.spec.whatwg.org/#abortcontroller\n */\nexport default class AbortController {\n    /**\n     * Initialize this controller.\n     */\n    public constructor() {\n        signals.set(this, createAbortSignal())\n    }\n\n    /**\n     * Returns the `AbortSignal` object associated with this object.\n     */\n    public get signal(): AbortSignal {\n        return getSignal(this)\n    }\n\n    /**\n     * Abort and signal to any observers that the associated activity is to be aborted.\n     */\n    public abort(): void {\n        abortSignal(getSignal(this))\n    }\n}\n\n/**\n * Associated signals.\n */\nconst signals = new WeakMap<AbortController, AbortSignal>()\n\n/**\n * Get the associated signal of a given controller.\n */\nfunction getSignal(controller: AbortController): AbortSignal {\n    const signal = signals.get(controller)\n    if (signal == null) {\n        throw new TypeError(\n            `Expected 'this' to be an 'AbortController' object, but got ${\n                controller === null ? \"null\" : typeof controller\n            }`,\n        )\n    }\n    return signal\n}\n\n// Properties should be enumerable.\nObject.defineProperties(AbortController.prototype, {\n    signal: { enumerable: true },\n    abort: { enumerable: true },\n})\n\nif (typeof Symbol === \"function\" && typeof Symbol.toStringTag === \"symbol\") {\n    Object.defineProperty(AbortController.prototype, Symbol.toStringTag, {\n        configurable: true,\n        value: \"AbortController\",\n    })\n}\n\nexport { AbortController, AbortSignal 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