build a chrome extension in go in go

It is not possible to build a Chrome extension in Go. Chrome extensions are built using web technologies such as HTML, CSS and JavaScript. However, you can use Go as a backend language to create the server-side logic of your Chrome extension.

To build a Chrome extension using web technologies, you can follow these steps:

Create a manifest.json file that defines the basic information about your extension, such as its name, description and version. You can also specify which files your extension will use, such as HTML, CSS and JavaScript files.


{
  "name": "My Chrome Extension",
  "description": "This is my first Chrome extension",
  "version": "1.0",
  "manifest_version": 2,
  "browser_action": {
    "default_popup": "popup.html"
  },
  "permissions": [
    "tabs"
  ]
}
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Create an HTML file that will display the user interface of your extension. This file should be referenced in your manifest.json file.


<!DOCTYPE html>
<html>
  <head>
    <title>My Chrome Extension</title>
    <script src="popup.js"></script>
  </head>
  <body>
    <button id="button">Click Me</button>
  </body>
</html>
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Create a JavaScript file that will implement the functionality of your extension. This file should also be referenced in your manifest.json file.


index.tsx
document.addEventListener('DOMContentLoaded', function () {
  document.querySelector('button').addEventListener('click', onClick);
});

function onClick() {
  chrome.tabs.query({currentWindow: true, active: true}, function (tabs) {
    chrome.tabs.sendMessage(tabs[0].id, {message: 'clicked_browser_action'})
  });
}
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Add the necessary permissions to your manifest.json file. In this example, we are requesting permission to access current tabs.


"permissions": [
  "tabs"
]
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Load your extension into Chrome by following these steps:

Open Chrome and go to chrome://extensions/
Enable Developer mode
Click on Load unpacked and select the directory containing your extension files.

Your extension should now be loaded and ready to use.

To use Go in the backend of your Chrome extension, you can create a separate Go project that will handle the server-side logic of your extension. You can then communicate between your Chrome extension and your Go backend using HTTP requests or WebSockets.

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