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How to use Write method of Microsoft.Playwright.Core.WritableStream class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.WritableStream.Write

Connection.cs

Source:Connection.cs

...356                {357                    message = JsonSerializer.Serialize(message, DefaultJsonSerializerOptions);358                }359                string line = $"{logLevel}: {message}";360                Trace.WriteLine(line);361                Console.Error.WriteLine(line);362            }363        }364        internal async Task<T> WrapApiCallAsync<T>(Func<Task<T>> action, bool isInternal = false)365        {366            EnsureApiZoneExists();367            if (ApiZone.Value[0] != null)368            {369                return await action().ConfigureAwait(false);370            }371            var st = new StackTrace(true);372            var stack = new List<object>();373            var lastInternalApiName = string.Empty;374            var apiName = string.Empty;375            for (int i = 0; i < st.FrameCount; ++i)...

WritableStream.cs

Source:WritableStream.cs

...38        ChannelBase IChannelOwner.Channel => Channel;39        IChannel<WritableStream> IChannelOwner<WritableStream>.Channel => Channel;40        public WritableStreamChannel Channel { get; }41        public WritableStreamImpl WritableStreamImpl => new(this);42        public Task WriteAsync(string binary) => Channel.WriteAsync(binary);43        public ValueTask DisposeAsync() => new ValueTask(CloseAsync());44        public Task CloseAsync() => Channel.CloseAsync();45    }46    internal class WritableStreamImpl : System.IO.Stream47    {48        private readonly WritableStream _stream;49        internal WritableStreamImpl(WritableStream stream)50        {51            _stream = stream;52        }53        public override bool CanRead => throw new NotImplementedException();54        public override bool CanSeek => throw new NotImplementedException();55        public override bool CanWrite => true;56        public override long Length => throw new NotImplementedException();57        public override long Position { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }58        public override void Flush() => throw new NotImplementedException();59        public override int Read(byte[] buffer, int offset, int count) => throw new NotImplementedException();60        public override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken) =>61            throw new NotImplementedException();62        public override void Close() => _stream.CloseAsync().ConfigureAwait(false);63        public override long Seek(long offset, SeekOrigin origin) => throw new NotImplementedException();64        public override void SetLength(long value) => throw new NotImplementedException();65        public override void Write(byte[] buffer, int offset, int count) => throw new NotImplementedException();66        public override async Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)67        {68            await this._stream.WriteAsync(Convert.ToBase64String(buffer)).ConfigureAwait(false);69        }70    }71}...

WritableStreamChannel.cs

Source:WritableStreamChannel.cs

...30    {31        public WritableStreamChannel(string guid, Connection connection, WritableStream owner) : base(guid, connection, owner)32        {33        }34        internal async Task WriteAsync(string binary)35        {36            await Connection.SendMessageToServerAsync(37                Guid,38                "write",39                new Dictionary<string, object>40                {41                    ["binary"] = binary,42                }).ConfigureAwait(false);43        }44        internal Task CloseAsync() => Connection.SendMessageToServerAsync(Guid, "close", null);45    }46}...

Write

Using AI Code Generation

1IPage page = await browser.NewPageAsync();2await page.PressAsync("input[name=q]", "ArrowDown");3await page.PressAsync("input[name=q]", "Enter");4await page.WaitForNavigationAsync();5IElementHandle element = await page.QuerySelectorAsync("div#resultStats");6string result = await element.InnerHTMLAsync();7Console.WriteLine(result);8IPage page = await browser.NewPageAsync();9await page.PressAsync("input[name=q]", "ArrowDown");10await page.PressAsync("input[name=q]", "Enter");11await page.WaitForNavigationAsync();12IElementHandle element = await page.QuerySelectorAsync("div#resultStats");13string result = await element.InnerHTMLAsync();14Console.WriteLine(result);15IPage page = await browser.NewPageAsync();16await page.PressAsync("input[name=q]", "ArrowDown");17await page.PressAsync("input[name=q]", "Enter");18await page.WaitForNavigationAsync();19IElementHandle element = await page.QuerySelectorAsync("div#resultStats");20string result = await element.InnerHTMLAsync();21Console.WriteLine(result);22IPage page = await browser.NewPageAsync();23await page.PressAsync("input[name=q]", "ArrowDown");24await page.PressAsync("input[name=q]", "Enter");25await page.WaitForNavigationAsync();26IElementHandle element = await page.QuerySelectorAsync("div#resultStats");27string result = await element.InnerHTMLAsync();28Console.WriteLine(result);29IPage page = await browser.NewPageAsync();30await page.PressAsync("input[name=q]", "ArrowDown");31await page.PressAsync("input[name=q]", "Enter");32await page.WaitForNavigationAsync();33IElementHandle element = await page.QuerySelectorAsync("div#resultStats");34string result = await element.InnerHTMLAsync();35Console.WriteLine(result);36IPage page = await browser.NewPageAsync();37await page.PressAsync("input[name=q]", "ArrowDown");38await page.PressAsync("input[name=q]", "Enter");39await page.WaitForNavigationAsync();40IElementHandle element = await page.QuerySelectorAsync("div#resultStats");

Write

Using AI Code Generation

1var browser = await Playwright.CreateAsync().Chromium.LaunchAsync();2var page = await browser.NewPageAsync();3await page.RouteAsync("**/*", route => route.FulfillAsync(new() { Body = "Hello" }));4await page.ClickAsync("text=Get started");5await page.ClickAsync("text=Docs");6await page.ClickAsync("text=API");7await page.ClickAsync("text=class: Browser");8await page.ClickAsync("text=BrowserType.LaunchAsync");

Write

Using AI Code Generation

1var stream = await page.EvaluateHandleAsync("() => new WritableStream()");2var writer = await stream.GetMemberAsync("getWriter");3await writer.InvokeAsync("write", "Hello, World!");4var stream = await page.EvaluateHandleAsync("() => new ReadableStream()");5var reader = await stream.GetMemberAsync("getReader");6var result = await reader.InvokeAsync("read");7var stream = await page.EvaluateHandleAsync("() => new ReadableStream()");8var reader = await stream.GetMemberAsync("getReader", new { mode = "byob" });9var result = await reader.InvokeAsync("read", new { view = new byte[1024] });10var stream = await page.EvaluateHandleAsync("() => new ReadableStream()");11var reader = await stream.GetMemberAsync("getReader", new { mode = "byob" });12var result = await reader.InvokeAsync("read", new { view = new byte[1024] });13var byobRequest = await result.GetMemberAsync("byobRequest");14var view = await byobRequest.GetMemberAsync("view");15var buffer = await view.GetMemberAsync("buffer");16var stream = await page.EvaluateHandleAsync("() => new ReadableStream()");17var controller = await stream.GetMemberAsync("controller");18await controller.InvokeAsync("enqueue", "Hello, World!");19var stream = await page.EvaluateHandleAsync("() => new ReadableStream()");20var reader = await stream.GetMemberAsync("getReader");21var result = await reader.InvokeAsync("read");22var stream = await page.EvaluateHandleAsync("() => new ReadableStream()");23var reader = await stream.GetMemberAsync("get

Write

Using AI Code Generation

1var writableStream = await page.EvaluateHandleAsync(@"2() => {3    var el = document.createElement('div');4    document.body.appendChild(el);5    var writableStream = new WritableStream({6        write(chunk) {7            el.textContent += chunk;8        }9    });10    return writableStream;11}12");13var write = writableStream.GetMember("write");14var writer = writableStream.GetMember("writer");15await writer.GetMember("ready").AsTask();16await write.InvokeAsync("Hello world");17await write.InvokeAsync("Hello world");18await writer.GetMember("close").InvokeAsync();19var writableStream = await page.EvaluateHandleAsync(@"20() => {21    var el = document.createElement('div');22    document.body.appendChild(el);23    var writableStream = new WritableStream({24        write(chunk) {25            el.textContent += chunk;26        }27    });28    return writableStream;29}30");31var write = writableStream.GetMember("write");32var writer = writableStream.GetMember("writer");33await writer.GetMember("ready").AsTask();34await write.InvokeAsync("Hello world");35await write.InvokeAsync("Hello world");36await writer.GetMember("close").InvokeAsync();37var writableStream = await page.EvaluateHandleAsync(@"38() => {39    var el = document.createElement('div');40    document.body.appendChild(el);41    var writableStream = new WritableStream({42        write(chunk) {43            el.textContent += chunk;44        }45    });46    return writableStream;47}48");49var write = writableStream.GetMember("write");50var writer = writableStream.GetMember("writer");51await writer.GetMember("ready").AsTask();52await write.InvokeAsync("Hello world");53await write.InvokeAsync("Hello world");54await writer.GetMember("close").InvokeAsync();55var writableStream = await page.EvaluateHandleAsync(@"56() => {57    var el = document.createElement('div');58    document.body.appendChild(el);59    var writableStream = new WritableStream({60        write(chunk) {61            el.textContent += chunk;62        }63    });64    return writableStream;65}66");67var write = writableStream.GetMember("write");

Write

Using AI Code Generation

1var stream = await page.WaitForEventAsync("download");2var writableStream = stream.CreateWriteStream();3var download = await page.WaitForEventAsync("download");4await download.FinishedAsync();5await download.SaveAsAsync(writableStream);6writableStream.Close();7var stream = await page.WaitForEventAsync("download");8var writableStream = stream.CreateWriteStream();9var download = await page.WaitForEventAsync("download");10await download.FinishedAsync();11await download.SaveAsAsync(writableStream);12writableStream.Close();13var buffer = writableStream.Read();14var stream = await page.WaitForEventAsync("download");15var writableStream = stream.CreateWriteStream();16var download = await page.WaitForEventAsync("download");17await download.FinishedAsync();18await download.SaveAsAsync(writableStream);19writableStream.Close();20var buffer = writableStream.ReadAll();21var stream = await page.WaitForEventAsync("download");22var writableStream = stream.CreateWriteStream();23var download = await page.WaitForEventAsync("download");24await download.FinishedAsync();25await download.SaveAsAsync(writableStream);26writableStream.Close();27var buffer = writableStream.ReadToEnd();28var stream = await page.WaitForEventAsync("download");29var writableStream = stream.CreateWriteStream();30var download = await page.WaitForEventAsync("download");31await download.FinishedAsync();32await download.SaveAsAsync(writableStream);33writableStream.Close();34var buffer = writableStream.ReadLine();35var stream = await page.WaitForEventAsync("download");36var writableStream = stream.CreateWriteStream();37var download = await page.WaitForEventAsync("download");38await download.FinishedAsync();39await download.SaveAsAsync(writableStream);40writableStream.Close();41var buffer = writableStream.ReadLines();42var stream = await page.WaitForEventAsync("download");43var writableStream = stream.CreateWriteStream();44var download = await page.WaitForEventAsync("download");45await download.FinishedAsync();46await download.SaveAsAsync(writableStream);47writableStream.Close();

Write

Using AI Code Generation

1var stream = await page.Context.NewCDPSession().SendAsync("Network.enable");2var writableStream = stream.GetStream("Network.dataReceived");3writableStream.Write("Hello");4writableStream.Close();5var stream = await page.Context.NewCDPSession().SendAsync("Network.enable");6var readableStream = stream.GetStream("Network.dataReceived");7var chunk = await readableStream.ReadAsync();8var chunk = await readableStream.ReadAsync();9var chunk = await readableStream.ReadAsync();10var chunk = await readableStream.ReadAsync();11var stream = await page.Context.NewCDPSession().SendAsync("Network.enable");12var readableStream = stream.GetStream("Network.dataReceived");13var chunks = await readableStream.ReadAllAsync();14var stream = await page.Context.NewCDPSession().SendAsync("Network.enable");15var readableStream = stream.GetStream("Network.dataReceived");16var chunks = await readableStream.ReadAllAsync();17var stream = await page.Context.NewCDPSession().SendAsync("Network.enable");18var readableStream = stream.GetStream("Network.dataReceived");19var chunks = await readableStream.ReadAllAsync();20var stream = await page.Context.NewCDPSession().SendAsync("Network.enable");21var readableStream = stream.GetStream("Network.dataReceived");22var chunks = await readableStream.ReadAllAsync();23var stream = await page.Context.NewCDPSession().SendAsync("Network.enable");24var readableStream = stream.GetStream("Network.dataReceived");25var chunks = await readableStream.ReadAllAsync();26var stream = await page.Context.NewCDPSession().SendAsync("Network.enable");27var readableStream = stream.GetStream("Network.dataReceived");28var chunks = await readableStream.ReadAllAsync();29var stream = await page.Context.NewCDPSession().SendAsync("Network.enable");30var readableStream = stream.GetStream("Network.dataReceived");

Playwright tutorial

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