IOTConnect-Web/node_modules/event-target-shim/dist/event-target-shim.js.map

{"version":3,"file":"event-target-shim.js","sources":["../src/event.mjs","../src/event-target.mjs"],"sourcesContent":["/**\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