Exemplo n.º 1
0
        public string Execute(string containerId, string url, string encodedProps, out string inBrowserScript, out ReactPerformaceMeasurements measurements)
        {
            try
            {
                measurements = new ReactPerformaceMeasurements();
                var stopwatch = new Stopwatch();

                var engineFlags = V8ScriptEngineFlags.None;
                if (DisableGlobalMembers)
                {
                    engineFlags = V8ScriptEngineFlags.DisableGlobalMembers;
                }

                stopwatch.Start();
                using (var engine = Runtime.CreateScriptEngine(engineFlags))
                {
                    stopwatch.Stop();
                    measurements.EngineInitializationTime = stopwatch.ElapsedMilliseconds;

                    //Firstly we'll add the libraries to the engine!
                    if (EnableCompilation)
                    {
                        stopwatch.Restart();
                        engine.Execute(CompiledShimms);
                        stopwatch.Stop();
                        measurements.ShimmInitializationTime = stopwatch.ElapsedMilliseconds;

                        stopwatch.Restart();
                        engine.Execute(Compiled);
                        stopwatch.Stop();
                        measurements.ScriptsInitializationTime = stopwatch.ElapsedMilliseconds;
                    }
                    else
                    {
                        stopwatch.Restart();
                        engine.Execute(JavascriptShimms.ConsoleShim);
                        stopwatch.Stop();
                        measurements.ShimmInitializationTime = stopwatch.ElapsedMilliseconds;

                        stopwatch.Restart();
                        engine.Execute(ScriptRaw);
                        stopwatch.Stop();
                        measurements.ScriptsInitializationTime = stopwatch.ElapsedMilliseconds;
                    }

                    //we generate the code to execute in the engine here

                    var routerInitCode =
                        String.Format(
                            @"Router.run( SuperChargedReact.routes, '{0}', function( Handler ) {{ 
                        {1} = React.renderToString(React.createElement(Handler, {2} ));
                    }});",
                            url,
                            ROUTER_OUTPUT_KEY,
                            encodedProps
                            );
                    stopwatch.Restart();
                    engine.Execute(routerInitCode);

                    // TODO: Might swap this timeout stuff for an actual Timespan check instead
                    var timeOutCounter         = 0;
                    var maxCyclesBeforeTimeout = 10; // TODO: Config this

                    // Poll the engine to see if the router callback has fired

                    while (!engine.HasVariable(ROUTER_OUTPUT_KEY) && timeOutCounter <= maxCyclesBeforeTimeout)
                    {
                        timeOutCounter++;
                        Thread.Sleep(10); // DIRTY!
                    }
                    stopwatch.Stop();
                    measurements.ComponentGenerationTime = stopwatch.ElapsedMilliseconds;

                    // Default to a timeout message
                    var html =
                        "<p>Router init timed out waiting for response, try increasing the timeout in React.Config</p>";

                    if (timeOutCounter <= maxCyclesBeforeTimeout)
                    {
                        html = engine.GetVariableValue <string>(ROUTER_OUTPUT_KEY);
                    }

                    //get the console statements out of the engine
                    var consoleStatements = engine.Evaluate <string>("console.getCalls()");

                    //generate the scripts to render in the browser
                    inBrowserScript =
                        String.Format(
                            @"
                            var {0} = {1};

                            Router.run( SuperChargedReact.routes, Router.HistoryLocation, function( Handler ) {{ 
                                React.render(
                                    React.createElement(Handler, {0} ), 
                                    document.getElementById( '{2}' )
                                );
                            }});",

                            IN_BROWSER_DATA_KEY,
                            encodedProps,
                            containerId
                            );

                    inBrowserScript = consoleStatements + inBrowserScript;

                    //Cleanup the engine
                    stopwatch.Restart();
                    Cleanup(engine);
                    stopwatch.Stop();
                    measurements.CleanupTime = stopwatch.ElapsedMilliseconds;

                    return(string.Format(
                               "<{2} id=\"{0}\">{1}</{2}>",
                               containerId,
                               html,
                               "div"
                               ));
                }
            }
            catch (Microsoft.ClearScript.ScriptEngineException e)
            {
                throw new Exception(e.ErrorDetails);
            }
        }
Exemplo n.º 2
0
 /// <summary>
 /// Execute the bundle with the given settings
 /// </summary>
 public string Execute(string containerId, string url, object props, out string inBrowserScript, out ReactPerformaceMeasurements measurements)
 {
     return(Execute(containerId, url, JsonConvert.SerializeObject(props, SerializationSettings), out inBrowserScript, out measurements));
 }
Exemplo n.º 3
0
        public string Execute(string containerId, string url, string encodedProps, out string inBrowserScript, out ReactPerformaceMeasurements measurements)
        {
            try
            {
                measurements = new ReactPerformaceMeasurements();
                var stopwatch = new Stopwatch();

                var engineFlags = V8ScriptEngineFlags.None;
                if (DisableGlobalMembers)
                {
                    engineFlags = V8ScriptEngineFlags.DisableGlobalMembers;
                }

                stopwatch.Start();
                using (var engine = Runtime.CreateScriptEngine(engineFlags))
                {
                    
                    stopwatch.Stop();
                    measurements.EngineInitializationTime = stopwatch.ElapsedMilliseconds;

                    //Firstly we'll add the libraries to the engine!
                    if (EnableCompilation)
                    {
                        stopwatch.Restart();
                        engine.Execute(CompiledShimms);
                        stopwatch.Stop();
                        measurements.ShimmInitializationTime = stopwatch.ElapsedMilliseconds;

                        stopwatch.Restart();
                        engine.Execute(Compiled);
                        stopwatch.Stop();
                        measurements.ScriptsInitializationTime = stopwatch.ElapsedMilliseconds;

                    }
                    else
                    {
                        stopwatch.Restart();
                        engine.Execute(JavascriptShimms.ConsoleShim);
                        stopwatch.Stop();
                        measurements.ShimmInitializationTime = stopwatch.ElapsedMilliseconds;

                        stopwatch.Restart();
                        engine.Execute(ScriptRaw);
                        stopwatch.Stop();
                        measurements.ScriptsInitializationTime = stopwatch.ElapsedMilliseconds;

                    }

                    //we generate the code to execute in the engine here

                    var routerInitCode =
                        String.Format(
                            @"Router.run( reactRoutesConfig, '{0}', function( Handler ) {{ 
                        {1} = React.renderToString(React.createElement(Handler, {2} ));
                    }});",
                            url,
                            ROUTER_OUTPUT_KEY,
                            encodedProps
                            );
                    stopwatch.Restart();
                    engine.Execute(routerInitCode);

                    // TODO: Might swap this timeout stuff for an actual Timespan check instead
                    var timeOutCounter = 0;
                    var maxCyclesBeforeTimeout = 10; // TODO: Config this

                    // Poll the engine to see if the router callback has fired

                    while (!engine.HasVariable(ROUTER_OUTPUT_KEY) && timeOutCounter <= maxCyclesBeforeTimeout)
                    {
                        timeOutCounter++;
                        Thread.Sleep(10); // DIRTY!
                    }
                    stopwatch.Stop();
                    measurements.ComponentGenerationTime = stopwatch.ElapsedMilliseconds;

                    // Default to a timeout message
                    var html =
                        "<p>Router init timed out waiting for response, try increasing the timeout in React.Config</p>";

                    if (timeOutCounter <= maxCyclesBeforeTimeout)
                    {
                        html = engine.GetVariableValue<string>(ROUTER_OUTPUT_KEY);
                    }

                    //get the console statements out of the engine
                    var consoleStatements = engine.Evaluate<string>("console.getCalls()");

                    //generate the scripts to render in the browser
                    inBrowserScript =
                        String.Format(
                            @"
                            var {0} = {1};

                            Router.run( reactRoutesConfig, Router.HistoryLocation, function( Handler ) {{ 
                                React.render(
                                    React.createElement(Handler, {0} ), 
                                    document.getElementById( '{2}' )
                                );
                            }});",
                            
                            IN_BROWSER_DATA_KEY,
                            encodedProps,
                            containerId
                            );

                    inBrowserScript = consoleStatements + inBrowserScript;
                    
                    //Cleanup the engine
                    stopwatch.Restart();
                    Cleanup(engine);
                    stopwatch.Stop();
                    measurements.CleanupTime = stopwatch.ElapsedMilliseconds;
                    
                    return string.Format(
                        "<{2} id=\"{0}\">{1}</{2}>",
                        containerId,
                        html,
                        "div"
                        );
                }
            }
            catch (Microsoft.ClearScript.ScriptEngineException e)
            {
                throw new Exception(e.ErrorDetails);
            }
        }
Exemplo n.º 4
0
        /// <summary>
        /// Excutes the passed in script
        /// </summary>
        /// <param name="containerId"></param>
        /// <param name="url"></param>
        /// <param name="props"></param>
        /// <param name="inBrowserScript"></param>
        /// <param name="measurements"></param>
        /// <returns></returns>
        public string Execute(IRenderSettings settings, out string inBrowserScript, out ReactPerformaceMeasurements measurements, bool disableServerSide = false)
        {
            measurements = new ReactPerformaceMeasurements();
            var bootstrapper = BootstrapCommand + "(" + JsonConvert.SerializeObject(settings, SerializationSettings) + ");";

            if (disableServerSide)
            {
                inBrowserScript = bootstrapper;
                return("");
            }
            try
            {
                var stopwatch = new Stopwatch();

                var engineFlags = V8ScriptEngineFlags.None;
                if (DisableGlobalMembers)
                {
                    engineFlags = V8ScriptEngineFlags.DisableGlobalMembers;
                }

                stopwatch.Start();
                using (var engine = Runtime.CreateScriptEngine(engineFlags))
                {
                    stopwatch.Stop();
                    measurements.EngineInitializationTime = stopwatch.ElapsedMilliseconds;

                    //Firstly we'll add the libraries to the engine!
                    if (EnableCompilation)
                    {
                        // Use the pre-compiled ones for speed
                        stopwatch.Restart();
                        engine.Execute(CompiledShimms);
                        stopwatch.Stop();
                        measurements.ShimmInitializationTime = stopwatch.ElapsedMilliseconds;

                        stopwatch.Restart();
                        engine.Execute(Compiled);
                        stopwatch.Stop();
                        measurements.ScriptsInitializationTime = stopwatch.ElapsedMilliseconds;
                    }
                    else
                    {
                        // Use the raw uncompiled ones, these will be parsed a fresh each time by the JS engine
                        stopwatch.Restart();
                        engine.Execute(JavascriptShimms.ConsoleShim);
                        stopwatch.Stop();
                        measurements.ShimmInitializationTime = stopwatch.ElapsedMilliseconds;

                        stopwatch.Restart();
                        engine.Execute(ScriptRaw);
                        stopwatch.Stop();
                        measurements.ScriptsInitializationTime = stopwatch.ElapsedMilliseconds;
                    }

                    // Kick off the render
                    stopwatch.Restart();
                    engine.Execute(bootstrapper);

                    // TODO: Might swap this timeout stuff for an actual Timespan check instead
                    var timeOutCounter         = 0;
                    var maxCyclesBeforeTimeout = 10; // TODO: Config this

                    // Poll the engine to see if the router callback has fired
                    while (
                        (
                            !engine.HasVariable(ROUTER_OUTPUT_KEY)
                            ||
                            string.IsNullOrEmpty(engine.GetVariableValue <string>(ROUTER_OUTPUT_KEY))
                        )
                        &&
                        timeOutCounter <= maxCyclesBeforeTimeout
                        )
                    {
                        timeOutCounter++;
                        Thread.Sleep(10); // DIRTY! See here of reasoning https://github.com/Offroadcode/SuperchargedReact.Net/issues/1#issuecomment-118848133
                                          // But it works, need to bench mark if this is quicker than linking the JS engine to the .net context as then we could
                                          // ping the value straight out form within JS. Alternatively we could get away with just reducing this sleep time but
                                          // it depends on how much code we have running, machine speed etc. Its "fast enough" for now though.
                    }

                    stopwatch.Stop();
                    measurements.ComponentGenerationTime = stopwatch.ElapsedMilliseconds;

                    // Default to a timeout message
                    var html =
                        "<p>Router init timed out waiting for response, try increasing the timeout in React.Config</p>";

                    if (timeOutCounter <= maxCyclesBeforeTimeout)
                    {
                        html = engine.ExecuteCommand(ROUTER_OUTPUT_KEY);// engine.GetVariableValue<string>();
                    }

                    //get the console statements out of the engine
                    var consoleStatements = engine.Evaluate <string>("console.getCalls()");

                    inBrowserScript = consoleStatements + ";" + bootstrapper;

                    //Cleanup the engine
                    stopwatch.Restart();
                    Cleanup(engine);
                    stopwatch.Stop();
                    measurements.CleanupTime = stopwatch.ElapsedMilliseconds;

                    return(string.Format(
                               "<{2} id=\"{0}\">{1}</{2}>",
                               settings.ContainerId,
                               html,
                               "div"
                               ));
                }
            }
            catch (Microsoft.ClearScript.ScriptEngineException e)
            {
                throw new Exception(e.ErrorDetails);
            }
        }
Exemplo n.º 5
0
 /// <summary>
 /// Execute the bundle with the given settings
 /// </summary>
 public string Execute(string containerId, string url, object props, out string inBrowserScript, out ReactPerformaceMeasurements measurements)
 {
     return Execute(containerId, url, JsonConvert.SerializeObject(props, SerializationSettings), out inBrowserScript, out measurements);
 }