66 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /* global __webpack_dev_server_client__ */
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| 
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| import WebSocketClient from "./clients/WebSocketClient.js";
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| import { log } from "./utils/log.js";
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| 
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| // this WebsocketClient is here as a default fallback, in case the client is not injected
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| /* eslint-disable camelcase */
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| var Client =
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| // eslint-disable-next-line no-nested-ternary
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| typeof __webpack_dev_server_client__ !== "undefined" ? typeof __webpack_dev_server_client__.default !== "undefined" ? __webpack_dev_server_client__.default : __webpack_dev_server_client__ : WebSocketClient;
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| /* eslint-enable camelcase */
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| 
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| var retries = 0;
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| var maxRetries = 10;
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| 
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| // Initialized client is exported so external consumers can utilize the same instance
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| // It is mutable to enforce singleton
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| // eslint-disable-next-line import/no-mutable-exports
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| export var client = null;
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| 
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| /**
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|  * @param {string} url
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|  * @param {{ [handler: string]: (data?: any, params?: any) => any }} handlers
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|  * @param {number} [reconnect]
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|  */
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| var socket = function initSocket(url, handlers, reconnect) {
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|   client = new Client(url);
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|   client.onOpen(function () {
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|     retries = 0;
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|     if (typeof reconnect !== "undefined") {
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|       maxRetries = reconnect;
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|     }
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|   });
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|   client.onClose(function () {
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|     if (retries === 0) {
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|       handlers.close();
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|     }
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| 
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|     // Try to reconnect.
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|     client = null;
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| 
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|     // After 10 retries stop trying, to prevent logspam.
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|     if (retries < maxRetries) {
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|       // Exponentially increase timeout to reconnect.
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|       // Respectfully copied from the package `got`.
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|       // eslint-disable-next-line no-restricted-properties
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|       var retryInMs = 1000 * Math.pow(2, retries) + Math.random() * 100;
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|       retries += 1;
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|       log.info("Trying to reconnect...");
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|       setTimeout(function () {
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|         socket(url, handlers, reconnect);
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|       }, retryInMs);
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|     }
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|   });
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|   client.onMessage(
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|   /**
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|    * @param {any} data
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|    */
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|   function (data) {
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|     var message = JSON.parse(data);
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|     if (handlers[message.type]) {
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|       handlers[message.type](message.data, message.params);
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|     }
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|   });
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| };
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| export default socket; |