typed-event-target/dist/events/typed-event.js

EventTarget in the browser but with strong event typing.

/**
 * Define an `Event` sub-class with a type tied to its event type string.
 *
 * @category Events
 * @example
 *
 * ```ts
 * import {defineTypedEvent} from 'typed-event-target';
 *
 * defineTypedEvent('event-type-string');
 * ```
 */
export function defineTypedEvent(type) {
    const TypedEventConstructor = class extends Event {
        static type = type;
        constructor(eventInitDict) {
            super(type, eventInitDict);
        }
    };
    return TypedEventConstructor;
}