1 | var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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2 | function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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3 | return new (P || (P = Promise))(function (resolve, reject) {
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4 | function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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5 | function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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6 | function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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7 | step((generator = generator.apply(thisArg, _arguments || [])).next());
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8 | });
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9 | };
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10 | var __generator = (this && this.__generator) || function (thisArg, body) {
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11 | var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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12 | return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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13 | function verb(n) { return function (v) { return step([n, v]); }; }
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14 | function step(op) {
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15 | if (f) throw new TypeError("Generator is already executing.");
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16 | while (_) try {
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17 | if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
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18 | if (y = 0, t) op = [op[0] & 2, t.value];
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19 | switch (op[0]) {
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20 | case 0: case 1: t = op; break;
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21 | case 4: _.label++; return { value: op[1], done: false };
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22 | case 5: _.label++; y = op[1]; op = [0]; continue;
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23 | case 7: op = _.ops.pop(); _.trys.pop(); continue;
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24 | default:
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25 | if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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26 | if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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27 | if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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28 | if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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29 | if (t[2]) _.ops.pop();
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30 | _.trys.pop(); continue;
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31 | }
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32 | op = body.call(thisArg, _);
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33 | } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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34 | if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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35 | }
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36 | };
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37 |
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38 |
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39 |
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40 |
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41 |
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42 |
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43 |
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44 |
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45 |
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46 |
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47 |
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48 |
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49 |
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50 | import Observable from 'zen-observable-ts';
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51 | import { Amplify, browserOrNode, ConsoleLogger as Logger, INTERNAL_AWS_APPSYNC_PUBSUB_PROVIDER, INTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER, } from '@aws-amplify/core';
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52 | import { AWSAppSyncProvider, AWSAppSyncRealTimeProvider } from './Providers';
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53 | var isNode = browserOrNode().isNode;
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54 | var logger = new Logger('PubSub');
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55 | var PubSubClass = (function () {
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56 | |
57 |
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58 |
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59 |
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60 |
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61 | function PubSubClass(options) {
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62 | this._options = options !== null && options !== void 0 ? options : {};
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63 | logger.debug('PubSub Options', this._options);
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64 | this._pluggables = [];
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65 | this.subscribe = this.subscribe.bind(this);
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66 | }
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67 | Object.defineProperty(PubSubClass.prototype, "awsAppSyncProvider", {
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68 | |
69 |
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70 |
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71 | get: function () {
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72 | if (!this._awsAppSyncProvider) {
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73 | this._awsAppSyncProvider = new AWSAppSyncProvider(this._options);
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74 | }
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75 | return this._awsAppSyncProvider;
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76 | },
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77 | enumerable: true,
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78 | configurable: true
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79 | });
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80 | Object.defineProperty(PubSubClass.prototype, "awsAppSyncRealTimeProvider", {
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81 | |
82 |
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83 |
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84 | get: function () {
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85 | if (!this._awsAppSyncRealTimeProvider) {
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86 | this._awsAppSyncRealTimeProvider = new AWSAppSyncRealTimeProvider(this._options);
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87 | }
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88 | return this._awsAppSyncRealTimeProvider;
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89 | },
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90 | enumerable: true,
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91 | configurable: true
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92 | });
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93 | PubSubClass.prototype.getModuleName = function () {
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94 | return 'PubSub';
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95 | };
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96 | |
97 |
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98 |
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99 |
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100 |
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101 |
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102 | PubSubClass.prototype.configure = function (options) {
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103 | var _this = this;
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104 | var opt = options ? options.PubSub || options : {};
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105 | logger.debug('configure PubSub', { opt: opt });
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106 | this._options = Object.assign({}, this._options, opt);
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107 | this._pluggables.map(function (pluggable) { return pluggable.configure(_this._options); });
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108 | return this._options;
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109 | };
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110 | |
111 |
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112 |
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113 |
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114 | PubSubClass.prototype.addPluggable = function (pluggable) {
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115 | return __awaiter(this, void 0, void 0, function () {
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116 | var config;
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117 | return __generator(this, function (_a) {
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118 | if (pluggable && pluggable.getCategory() === 'PubSub') {
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119 | this._pluggables.push(pluggable);
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120 | config = pluggable.configure(this._options);
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121 | return [2 , config];
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122 | }
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123 | return [2 ];
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124 | });
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125 | });
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126 | };
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127 | |
128 |
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129 |
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130 |
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131 | PubSubClass.prototype.removePluggable = function (providerName) {
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132 | this._pluggables = this._pluggables.filter(function (pluggable) { return pluggable.getProviderName() !== providerName; });
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133 | };
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134 | PubSubClass.prototype.getProviderByName = function (providerName) {
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135 | if (providerName === INTERNAL_AWS_APPSYNC_PUBSUB_PROVIDER) {
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136 | return this.awsAppSyncProvider;
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137 | }
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138 | if (providerName === INTERNAL_AWS_APPSYNC_REALTIME_PUBSUB_PROVIDER) {
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139 | return this.awsAppSyncRealTimeProvider;
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140 | }
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141 | return this._pluggables.find(function (pluggable) { return pluggable.getProviderName() === providerName; });
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142 | };
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143 | PubSubClass.prototype.getProviders = function (options) {
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144 | if (options === void 0) { options = {}; }
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145 | var providerName = options.provider;
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146 | if (!providerName) {
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147 | return this._pluggables;
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148 | }
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149 | var provider = this.getProviderByName(providerName);
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150 | if (!provider) {
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151 | throw new Error("Could not find provider named " + providerName);
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152 | }
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153 | return [provider];
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154 | };
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155 | PubSubClass.prototype.publish = function (topics, msg, options) {
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156 | return __awaiter(this, void 0, void 0, function () {
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157 | return __generator(this, function (_a) {
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158 | return [2 , Promise.all(this.getProviders(options).map(function (provider) {
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159 | return provider.publish(topics, msg, options);
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160 | }))];
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161 | });
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162 | });
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163 | };
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164 | PubSubClass.prototype.subscribe = function (topics, options) {
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165 | if (isNode && this._options && this._options.ssr) {
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166 | throw new Error('Subscriptions are not supported for Server-Side Rendering (SSR)');
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167 | }
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168 | logger.debug('subscribe options', options);
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169 | var providers = this.getProviders(options);
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170 | return new Observable(function (observer) {
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171 | var observables = providers.map(function (provider) { return ({
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172 | provider: provider,
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173 | observable: provider.subscribe(topics, options),
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174 | }); });
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175 | var subscriptions = observables.map(function (_a) {
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176 | var provider = _a.provider, observable = _a.observable;
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177 | return observable.subscribe({
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178 | start: console.error,
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179 | next: function (value) { return observer.next({ provider: provider, value: value }); },
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180 | error: function (error) { return observer.error({ provider: provider, error: error }); },
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181 | });
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182 | });
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183 | return function () {
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184 | return subscriptions.forEach(function (subscription) { return subscription.unsubscribe(); });
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185 | };
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186 | });
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187 | };
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188 | return PubSubClass;
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189 | }());
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190 | export { PubSubClass };
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191 | export var PubSub = new PubSubClass();
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192 | Amplify.register(PubSub);
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193 |
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