cn007b / log

const socket = io.connect();

const streamId = window.location.pathname.substring(1);

/**

 * Handler for WebSocket 'connect' event.

 * Emits 'join' event which is intended to join WebSocket room for current streamId.

 */

socket.on('connect', () => {

  socket.emit('join', streamId);

});

/**

 * Handler for new data.

 * Renders data on web page (add to the bottom).

 *

 * @event LOG.NEW

 */

socket.on('log', (data) => {

  /** global: gtag */

  gtag('event', 'got_new_log', {'count': 1});

  // It is only way to render proper data because socket.io rooms disabled here

  // @see https://github.com/cn007b/log/blob/master/src/routes/index.js#L49

  if (data.streamId !== streamId) {

    gtag('event', 'stream_id_mismatch', {'streamIdMismatch': 1});

    return;

  }

  if (data.format === 'json') {

    /** global: app */

    renderJson(data, app.autoScrool);

  }

});