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Programming language: C#
License: MIT License
Tags: UI Automation    
Latest version: v2.0.4

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README

Puppeteer Sharp

NuGet Build status Demo build status CodeFactor Backers xs:code

Puppeteer Sharp is a .NET port of the official Node.JS Puppeteer API.

Puppeteer-Sharp 3 is here!

Check out the blog post!

Useful links

Prerequisites

# How to Contribute and Provide Feedback

Some of the best ways to contribute are to try things out file bugs and fix issues.

If you have an issue or a question:

Contributing Guide

See this document for information on how to contribute.

Usage

Take screenshots

<!-- snippet: ScreenshotAsync -->

var browserFetcher = new BrowserFetcher();
await browserFetcher.DownloadAsync();
await using var browser = await Puppeteer.LaunchAsync(
    new LaunchOptions { Headless = true });
await using var page = await browser.NewPageAsync();
await page.GoToAsync("http://www.google.com");
await page.ScreenshotAsync(outputFile);

snippet source | anchor <!-- endSnippet -->

You can also change the view port before generating the screenshot

<!-- snippet: SetViewportAsync -->

await Page.SetViewportAsync(new ViewPortOptions
{
    Width = 500,
    Height = 500
});

snippet source | anchor <!-- endSnippet -->

Generate PDF files

<!-- snippet: PdfAsync -->

var browserFetcher = new BrowserFetcher();
await browserFetcher.DownloadAsync();
await using var browser = await Puppeteer.LaunchAsync(new LaunchOptions {Headless = true});
await using var page = await browser.NewPageAsync();
await page.GoToAsync("http://www.google.com");
await page.PdfAsync(outputFile);

snippet source | anchor <!-- endSnippet -->

Inject HTML

<!-- snippet: SetContentAsync -->

await using var page = await browser.NewPageAsync();
await page.SetContentAsync("<div>My Receipt</div>");
var result = await page.GetContentAsync();

snippet source | anchor <!-- endSnippet -->

Evaluate Javascript

<!-- snippet: Evaluate -->

await using var page = await browser.NewPageAsync();
var seven = await page.EvaluateExpressionAsync<int>("4 + 3");
var someObject = await page.EvaluateFunctionAsync<dynamic>("(value) => ({a: value})", 5);
Console.WriteLine(someObject.a);

snippet source | anchor <!-- endSnippet -->

Wait For Selector

using (var page = await browser.NewPageAsync())
{
    await page.GoToAsync("http://www.spapage.com");
    await page.WaitForSelectorAsync("div.main-content")
    await page.PdfAsync(outputFile));
}

Wait For Function

using (var page = await browser.NewPageAsync())
{
    await page.GoToAsync("http://www.spapage.com");
    var watchDog = page.WaitForFunctionAsync("()=> window.innerWidth < 100");
    await page.SetViewportAsync(new ViewPortOptions { Width = 50, Height = 50 });
    await watchDog;
}

Connect to a remote browser

var options = new ConnectOptions()
{
    BrowserWSEndpoint = $"wss://www.externalbrowser.io?token={apikey}"
};

var url = "https://www.google.com/";

using (var browser = await PuppeteerSharp.Puppeteer.ConnectAsync(options))
{
    using (var page = await browser.NewPageAsync())
    {
        await page.GoToAsync(url);
        await page.PdfAsync("wot.pdf");
    }
}

Monthly reports

Backers

Support us with a monthly donation and help us continue our activities. Become a backer.

Thanks

Thanks to JetBrains for a community Resharper license to use on this project.


*Note that all licence references and agreements mentioned in the PuppeteerSharp README section above are relevant to that project's source code only.