52 lines
1.5 KiB
JavaScript
52 lines
1.5 KiB
JavaScript
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'use strict';
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/* global __webpack_dev_server_client__ */
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/* eslint-disable
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camelcase
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*/
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// this SockJSClient is here as a default fallback, in case inline mode
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// is off or the client is not injected. This will be switched to
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// WebsocketClient when it becomes the default
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// important: the path to SockJSClient here is made to work in the 'client'
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// directory, but is updated via the webpack compilation when compiled from
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// the 'client-src' directory
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var Client = typeof __webpack_dev_server_client__ !== 'undefined' ? __webpack_dev_server_client__ : // eslint-disable-next-line import/no-unresolved
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require('./clients/SockJSClient');
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var retries = 0;
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var client = null;
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var socket = function initSocket(url, handlers) {
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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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});
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client.onClose(function () {
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if (retries === 0) {
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handlers.close();
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} // Try to reconnect.
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client = null; // After 10 retries stop trying, to prevent logspam.
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if (retries <= 10) {
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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-mixed-operators, 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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setTimeout(function () {
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socket(url, handlers);
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}, retryInMs);
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}
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});
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client.onMessage(function (data) {
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var msg = JSON.parse(data);
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if (handlers[msg.type]) {
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handlers[msg.type](msg.data);
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}
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});
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};
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module.exports = socket;
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