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• [DIR] ..
• [FILE] EventInternals.js
• [FILE] EventTargetInternals.js

Просмотр файла: EventInternals.js

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict
 * @format
 */

/**
 * This method contains internal implementation details for the `Event` module
 * and it is defined in a separate module to keep the exports in `Event` clean
 * (only with public exports).
 */

import type Event, {EventPhase} from '../Event';
import type EventTarget from '../EventTarget';

export const COMPOSED_PATH_KEY: symbol = Symbol('composedPath');
export const CURRENT_TARGET_KEY: symbol = Symbol('currentTarget');
export const EVENT_PHASE_KEY: symbol = Symbol('eventPhase');
export const IN_PASSIVE_LISTENER_FLAG_KEY: symbol = Symbol(
  'inPassiveListenerFlag',
);
export const IS_TRUSTED_KEY: symbol = Symbol('isTrusted');
export const STOP_IMMEDIATE_PROPAGATION_FLAG_KEY: symbol = Symbol(
  'stopPropagationFlag',
);
export const STOP_PROPAGATION_FLAG_KEY: symbol = Symbol('stopPropagationFlag');
export const TARGET_KEY: symbol = Symbol('target');

export function getCurrentTarget(event: Event): EventTarget | null {
  // $FlowExpectedError[prop-missing]
  return event[CURRENT_TARGET_KEY];
}

export function setCurrentTarget(
  event: Event,
  currentTarget: EventTarget | null,
): void {
  // $FlowExpectedError[prop-missing]
  event[CURRENT_TARGET_KEY] = currentTarget;
}

export function getComposedPath(event: Event): $ReadOnlyArray<EventTarget> {
  // $FlowExpectedError[prop-missing]
  return event[COMPOSED_PATH_KEY];
}

export function setComposedPath(
  event: Event,
  composedPath: $ReadOnlyArray<EventTarget>,
): void {
  // $FlowExpectedError[prop-missing]
  event[COMPOSED_PATH_KEY] = composedPath;
}

export function getEventPhase(event: Event): EventPhase {
  // $FlowExpectedError[prop-missing]
  return event[EVENT_PHASE_KEY];
}

export function setEventPhase(event: Event, eventPhase: EventPhase): void {
  // $FlowExpectedError[prop-missing]
  event[EVENT_PHASE_KEY] = eventPhase;
}

export function getInPassiveListenerFlag(event: Event): boolean {
  // $FlowExpectedError[prop-missing]
  return event[IN_PASSIVE_LISTENER_FLAG_KEY];
}

export function setInPassiveListenerFlag(event: Event, value: boolean): void {
  // $FlowExpectedError[prop-missing]
  event[IN_PASSIVE_LISTENER_FLAG_KEY] = value;
}

export function getIsTrusted(event: Event): boolean {
  // $FlowExpectedError[prop-missing]
  return event[IS_TRUSTED_KEY];
}

export function setIsTrusted(event: Event, isTrusted: boolean): void {
  // $FlowExpectedError[prop-missing]
  event[IS_TRUSTED_KEY] = isTrusted;
}

export function getStopImmediatePropagationFlag(event: Event): boolean {
  // $FlowExpectedError[prop-missing]
  return event[STOP_IMMEDIATE_PROPAGATION_FLAG_KEY];
}

export function setStopImmediatePropagationFlag(
  event: Event,
  value: boolean,
): void {
  // $FlowExpectedError[prop-missing]
  event[STOP_IMMEDIATE_PROPAGATION_FLAG_KEY] = value;
}

export function getStopPropagationFlag(event: Event): boolean {
  // $FlowExpectedError[prop-missing]
  return event[STOP_PROPAGATION_FLAG_KEY];
}

export function setStopPropagationFlag(event: Event, value: boolean): void {
  // $FlowExpectedError[prop-missing]
  event[STOP_PROPAGATION_FLAG_KEY] = value;
}

export function getTarget(event: Event): EventTarget | null {
  // $FlowExpectedError[prop-missing]
  return event[TARGET_KEY];
}

export function setTarget(event: Event, target: EventTarget | null): void {
  // $FlowExpectedError[prop-missing]
  event[TARGET_KEY] = target;
}

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