@ember/test-helpers/declarations/dom/trigger-event.d.ts

Helpers for testing Ember.js applications

import type { Target } from './-target.ts';
/**
 * Triggers an event on the specified target.
 *
 * @public
 * @param {string|Element|IDOMElementDescriptor} target the element, selector, or descriptor to trigger the event on
 * @param {string} eventType the type of event to trigger
 * @param {Object} options additional properties to be set on the event
 * @param {boolean} force if true, will bypass availability checks (false by default)
 * @return {Promise<void>} resolves when the application is settled
 *
 * @example
 * <caption>
 * Using `triggerEvent` to upload a file
 *
 * When using `triggerEvent` to upload a file the `eventType` must be `change` and you must pass the
 * `options` param as an object with a key `files` containing an array of
 * [Blob](https://developer.mozilla.org/en-US/docs/Web/API/Blob).
 * </caption>
 *
 * triggerEvent(
 *   'input.fileUpload',
 *   'change',
 *   { files: [new Blob(['Ember Rules!'])] }
 * );
 *
 *
 * @example
 * <caption>
 * Using `triggerEvent` to upload a dropped file
 *
 * When using `triggerEvent` to handle a dropped (via drag-and-drop) file, the `eventType` must be `drop`. Assuming your `drop` event handler uses the [DataTransfer API](https://developer.mozilla.org/en-US/docs/Web/API/DataTransfer),
 * you must pass the `options` param as an object with a key of `dataTransfer`. The `options.dataTransfer`     object should have a `files` key, containing an array of [File](https://developer.mozilla.org/en-US/docs/Web/API/File).
 * </caption>
 *
 * triggerEvent(
 *   '[data-test-drop-zone]',
 *   'drop',
 *   {
 *     dataTransfer: {
 *       files: [new File(['Ember Rules!'], 'ember-rules.txt')]
 *     }
 *   }
 * )
 */
export default function triggerEvent(target: Target, eventType: string, options?: Record<string, unknown>, force?: boolean): Promise<void>;
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