Blazor.BrowserExtension.Samples

This repository contains samples of browser extensions built with Blazor using Blazor.BrowserExtension.

Each directory contains the source file in src and the published files in dist.

Samples

You can test this sample by visiting https://en.wikipedia.org/wiki/Blazor

Messaging

• Runtime Messaging API
• Tabs Messaging API

New tab page

• Bookmarks API
• Override default new tab page

Sidebar using content scripts

• Content scripts

Sidebar using content scripts and iframe

• Content scripts
• Messaging

Sidepanel

• Side panel
• Tabs API

Test the sample projects

You can compile and load the projects yourself or just load the published files directly in the browser.

Google Chrome

1. Launch the Extensions page ( ⋮ → Extensions → Manage Extensions) or navigate to the URL chrome://extensions/.
2. Switch on Developer mode.
3. Click on the Load unpacked button, then navigate to sampleproject\dist and select the folder browserextension.

Microsoft Edge

1. Launch the Extensions page ( ⋮ → Extensions → Manage Extensions) or navigate to the URL edge://extensions/.
2. Click on the ☰ and switch on Developer mode.
3. Click on the button with the title Load unpacked, then navigate to sampleproject\dist and select the folder browserextension.

Mozilla Firefox

1. Navigate to the URL about:debugging#/runtime/this-firefox.
2. Click on Load Temporary Add-on..., then navigate to sampleproject\dist\browserextension and select any file in the directory.

Sample extensions without Blazor

There are plenty of sample extensions provided by Google and Mozilla which is based on JavaScript, HTML and CSS, all of which can be ported to Razor HTML and Blazor scoped CSS.

These samples are good references to how certain features can be implemented, including what API to use and how the manifest is declared.

1. Google Chrome sample extensions
2. MDN sample extensions
3. Example DevTools extension