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Текущая директория: /opt/BitGoJS/node_modules/flux/lib

Просмотр файла: FluxContainerSubscriptions.js

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates. All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * @providesModule FluxContainerSubscriptions
 * 
 */

'use strict';

function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return typeof key === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (typeof input !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (typeof res !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
var FluxStoreGroup = require("./FluxStoreGroup");
function shallowArrayEqual(a, b) {
  if (a === b) {
    return true;
  }
  if (a.length !== b.length) {
    return false;
  }
  for (var i = 0; i < a.length; i++) {
    if (a[i] !== b[i]) {
      return false;
    }
  }
  return true;
}
var FluxContainerSubscriptions = /*#__PURE__*/function () {
  function FluxContainerSubscriptions() {
    _defineProperty(this, "_callbacks", void 0);
    _defineProperty(this, "_storeGroup", void 0);
    _defineProperty(this, "_stores", void 0);
    _defineProperty(this, "_tokens", void 0);
    this._callbacks = [];
  }
  var _proto = FluxContainerSubscriptions.prototype;
  _proto.setStores = function setStores(stores) {
    var _this = this;
    if (this._stores && shallowArrayEqual(this._stores, stores)) {
      return;
    }
    this._stores = stores;
    this._resetTokens();
    this._resetStoreGroup();
    var changed = false;
    var changedStores = [];
    if (process.env.NODE_ENV !== "production") {
      // Keep track of the stores that changed for debugging purposes only
      this._tokens = stores.map(function (store) {
        return store.addListener(function () {
          changed = true;
          changedStores.push(store);
        });
      });
    } else {
      var setChanged = function setChanged() {
        changed = true;
      };
      this._tokens = stores.map(function (store) {
        return store.addListener(setChanged);
      });
    }
    var callCallbacks = function callCallbacks() {
      if (changed) {
        _this._callbacks.forEach(function (fn) {
          return fn();
        });
        changed = false;
        if (process.env.NODE_ENV !== "production") {
          // Uncomment this to print the stores that changed.
          // console.log(changedStores);
          changedStores = [];
        }
      }
    };
    this._storeGroup = new FluxStoreGroup(stores, callCallbacks);
  };
  _proto.addListener = function addListener(fn) {
    this._callbacks.push(fn);
  };
  _proto.reset = function reset() {
    this._resetTokens();
    this._resetStoreGroup();
    this._resetCallbacks();
    this._resetStores();
  };
  _proto._resetTokens = function _resetTokens() {
    if (this._tokens) {
      this._tokens.forEach(function (token) {
        return token.remove();
      });
      this._tokens = null;
    }
  };
  _proto._resetStoreGroup = function _resetStoreGroup() {
    if (this._storeGroup) {
      this._storeGroup.release();
      this._storeGroup = null;
    }
  };
  _proto._resetStores = function _resetStores() {
    this._stores = null;
  };
  _proto._resetCallbacks = function _resetCallbacks() {
    this._callbacks = [];
  };
  return FluxContainerSubscriptions;
}();
module.exports = FluxContainerSubscriptions;

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