Introduction

Starting from Bun v1.3.12, a new experimental API called Bun.Webview was introduced. It enables simple browser automation and can partially replace tools like Playwright . Pretty exciting, so I gave it a try.

For macOS users, Bun.Webview can directly use the system’s native WebKit as the backend. On Windows and Linux, Chrome can be used as the backend via:

const view = new Bun . WebView ({ backend : " chrome " });

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According to the Bun documentation , Bun searches for Chrome in the following order:

The path provided in backend: { type: "chrome", path: "..." }

The BUN_CHROME_PATH environment variable

$PATH (google-chrome-stable, google-chrome, chromium-browser, chromium, brave-browser, microsoft-edge, chrome)

Common installation directories

Playwright cache ( ~/Library/Caches/ms-playwright or ~/.cache/ms-playwright ) for chrome-headless-shell

Integrating the Chrome Backend

In practice, I found that on Windows, no matter how I set…