@tamagui/react-native-web-lite/dist/cjs/vendor/react-native/emitter/_EventSubscriptionVendor.cjs

React Native for Web

"use strict";

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
    for (var name in all) __defProp(target, name, {
      get: all[name],
      enumerable: !0
    });
  },
  __copyProps = (to, from, except, desc) => {
    if (from && typeof from == "object" || typeof from == "function") for (let key of __getOwnPropNames(from)) !__hasOwnProp.call(to, key) && key !== except && __defProp(to, key, {
      get: () => from[key],
      enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable
    });
    return to;
  };
var __toCommonJS = mod => __copyProps(__defProp({}, "__esModule", {
  value: !0
}), mod);
var EventSubscriptionVendor_exports = {};
__export(EventSubscriptionVendor_exports, {
  default: () => EventSubscriptionVendor_default
});
module.exports = __toCommonJS(EventSubscriptionVendor_exports);
var import_react_native_web_internals = require("@tamagui/react-native-web-internals");
class EventSubscriptionVendor {
  constructor() {
    this._subscriptionsForType = {};
  }
  /**
   * Adds a subscription keyed by an event type.
   *
   * @param {string} eventType
   * @param {EventSubscription} subscription
   */
  addSubscription(eventType, subscription) {
    (0, import_react_native_web_internals.invariant)(subscription.subscriber === this, "The subscriber of the subscription is incorrectly set."), this._subscriptionsForType[eventType] || (this._subscriptionsForType[eventType] = []);
    var key = this._subscriptionsForType[eventType].length;
    return this._subscriptionsForType[eventType].push(subscription), subscription.eventType = eventType, subscription.key = key, subscription;
  }
  /**
   * Removes a bulk set of the subscriptions.
   *
   * @param {?string} eventType - Optional name of the event type whose
   *   registered supscriptions to remove, if null remove all subscriptions.
   */
  removeAllSubscriptions(eventType) {
    eventType == null ? this._subscriptionsForType = {} : delete this._subscriptionsForType[eventType];
  }
  /**
   * Removes a specific subscription. Instead of calling this function, call
   * `subscription.remove()` directly.
   *
   * @param {object} subscription
   */
  removeSubscription(subscription) {
    var eventType = subscription.eventType,
      key = subscription.key,
      subscriptionsForType = this._subscriptionsForType[eventType];
    subscriptionsForType && delete subscriptionsForType[key];
  }
  /**
   * Returns the array of subscriptions that are currently registered for the
   * given event type.
   *
   * Note: This array can be potentially sparse as subscriptions are deleted
   * from it when they are removed.
   *
   * TODO: This returns a nullable array. wat?
   *
   * @param {string} eventType
   * @returns {?array}
   */
  getSubscriptionsForType(eventType) {
    return this._subscriptionsForType[eventType];
  }
}
var EventSubscriptionVendor_default = EventSubscriptionVendor;