Nov 6, 2023 · Nov 3, 2023
diff --git a/primus.js b/primus.js
 Primus.prototype.decoder = null; // @import {primus::decoder};
 Primus.prototype.version = null; // @import {primus::version};

 if (
     'undefined' !== typeof document
  && 'undefined' !== typeof navigator
 ) {
  //
  // Hack 2: If you press ESC in FireFox it will close all active connections.
  // Normally this makes sense, when your page is still loading. But versions
  // before FireFox 22 will close all connections including WebSocket connections
  // after page load. One way to prevent this is to do a `preventDefault()` and
  // cancel the operation before it bubbles up to the browsers default handler.
  // It needs to be added as `keydown` event, if it's added keyup it will not be
  // able to prevent the connection from being closed.
  //
  if (document.addEventListener) {
    document.addEventListener('keydown', function keydown(e) {
      if (e.keyCode !== 27 || !e.preventDefault) return;

      e.preventDefault();
    }, false);
  }

  //
  // Hack 3: This is a Mac/Apple bug only, when you're behind a reverse proxy or
  // have you network settings set to `automatic proxy discovery` the safari
  // browser will crash when the WebSocket constructor is initialised. There is
  // no way to detect the usage of these proxies available in JavaScript so we
  // need to do some nasty browser sniffing. This only affects Safari versions
  // lower then 5.1.4
  //
  var ua = (navigator.userAgent || '').toLowerCase()
    , parsed = ua.match(/.+(?:rv|it|ra|ie)[/: ](\d+)\.(\d+)(?:\.(\d+))?/) || []
    , version = +[parsed[1], parsed[2]].join('.');

  if (
       !~ua.indexOf('chrome')
    && ~ua.indexOf('safari')
    && version < 534.54
  ) {
    Primus.prototype.AVOID_WEBSOCKETS = true;
  }
 }

 //
 // Expose the library.
 //
Original file line number	Diff line number	Diff line change
Expand Up		@@ -1152,48 +1152,6 @@ Primus.prototype.encoder = null; // @import {primus::encoder};
		Primus.prototype.decoder = null; // @import {primus::decoder};
		Primus.prototype.version = null; // @import {primus::version};

		if (
		'undefined' !== typeof document
		&& 'undefined' !== typeof navigator
		) {
		//
		// Hack 2: If you press ESC in FireFox it will close all active connections.
		// Normally this makes sense, when your page is still loading. But versions
		// before FireFox 22 will close all connections including WebSocket connections
		// after page load. One way to prevent this is to do a `preventDefault()` and
		// cancel the operation before it bubbles up to the browsers default handler.
		// It needs to be added as `keydown` event, if it's added keyup it will not be
		// able to prevent the connection from being closed.
		//
		if (document.addEventListener) {
		document.addEventListener('keydown', function keydown(e) {
		if (e.keyCode !== 27 \|\| !e.preventDefault) return;

		e.preventDefault();
		}, false);
		}

		//
		// Hack 3: This is a Mac/Apple bug only, when you're behind a reverse proxy or
		// have you network settings set to `automatic proxy discovery` the safari
		// browser will crash when the WebSocket constructor is initialised. There is
		// no way to detect the usage of these proxies available in JavaScript so we
		// need to do some nasty browser sniffing. This only affects Safari versions
		// lower then 5.1.4
		//
		var ua = (navigator.userAgent \|\| '').toLowerCase()
		, parsed = ua.match(/.+(?:rv\|it\|ra\|ie)[/: ](\d+)\.(\d+)(?:\.(\d+))?/) \|\| []
		, version = +[parsed[1], parsed[2]].join('.');

		if (
		!~ua.indexOf('chrome')
		&& ~ua.indexOf('safari')
		&& version < 534.54
		) {
		Primus.prototype.AVOID_WEBSOCKETS = true;
		}
		}

		//
		// Expose the library.
		//
Expand Down