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83 lines
2.9 KiB
TypeScript
83 lines
2.9 KiB
TypeScript
export default Target;
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export type EventTargetLike = EventTarget | Target;
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/**
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* @typedef {EventTarget|Target} EventTargetLike
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*/
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/**
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* @classdesc
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* A simplified implementation of the W3C DOM Level 2 EventTarget interface.
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* See https://www.w3.org/TR/2000/REC-DOM-Level-2-Events-20001113/events.html#Events-EventTarget.
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*
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* There are two important simplifications compared to the specification:
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*
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* 1. The handling of `useCapture` in `addEventListener` and
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* `removeEventListener`. There is no real capture model.
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* 2. The handling of `stopPropagation` and `preventDefault` on `dispatchEvent`.
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* There is no event target hierarchy. When a listener calls
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* `stopPropagation` or `preventDefault` on an event object, it means that no
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* more listeners after this one will be called. Same as when the listener
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* returns false.
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*/
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declare class Target extends Disposable {
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/**
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* @param {*} [opt_target] Default event target for dispatched events.
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*/
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constructor(opt_target?: any);
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/**
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* @private
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* @type {*}
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*/
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private eventTarget_;
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/**
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* @private
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* @type {Object<string, number>}
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*/
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private pendingRemovals_;
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/**
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* @private
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* @type {Object<string, number>}
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*/
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private dispatching_;
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/**
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* @private
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* @type {Object<string, Array<import("../events.js").Listener>>}
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*/
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private listeners_;
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/**
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* @param {string} type Type.
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* @param {import("../events.js").Listener} listener Listener.
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*/
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addEventListener(type: string, listener: import("../events.js").Listener): void;
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/**
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* Dispatches an event and calls all listeners listening for events
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* of this type. The event parameter can either be a string or an
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* Object with a `type` property.
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*
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* @param {import("./Event.js").default|string} event Event object.
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* @return {boolean|undefined} `false` if anyone called preventDefault on the
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* event object or if any of the listeners returned false.
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* @api
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*/
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dispatchEvent(event: import("./Event.js").default | string): boolean | undefined;
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/**
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* Get the listeners for a specified event type. Listeners are returned in the
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* order that they will be called in.
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*
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* @param {string} type Type.
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* @return {Array<import("../events.js").Listener>|undefined} Listeners.
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*/
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getListeners(type: string): Array<import("../events.js").Listener> | undefined;
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/**
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* @param {string} [opt_type] Type. If not provided,
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* `true` will be returned if this event target has any listeners.
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* @return {boolean} Has listeners.
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*/
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hasListener(opt_type?: string | undefined): boolean;
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/**
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* @param {string} type Type.
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* @param {import("../events.js").Listener} listener Listener.
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*/
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removeEventListener(type: string, listener: import("../events.js").Listener): void;
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}
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import Disposable from "../Disposable.js";
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//# sourceMappingURL=Target.d.ts.map
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