Question 1

Should I use open or child_process.spawn to open files in Node.js?

Accepted Answer

Use open for its cross-platform abstraction and safety features; it wraps spawn with OS-specific commands, making it easier for common use cases. However, if you need low-level control over the process, direct spawn might be better for custom event handling.

Question 2

How to open a URL in Chrome with incognito mode using open npm?

Accepted Answer

Use the apps object and arguments option: await open('https://example.com', {app: {name: apps.chrome, arguments: ['--incognito']}}). This handles platform differences in binary names automatically, ensuring it works on macOS, Windows, and Linux.

Question 3

Why does the wait option not work when opening browsers with open?

Accepted Answer

Browsers use a single-instance model, so new URLs are passed to existing processes, causing the command to exit immediately. The README warns about this, and on macOS, you can try the newInstance option, but it's not guaranteed to work across all scenarios.

Question 4

Is open npm safe to use with user-provided input?

Accepted Answer

No, the package explicitly states it makes no security guarantees. You must sanitize untrusted input to prevent command injection, as it relies on system commands that could be exploited if inputs are not properly validated.

Question 5

How to handle ESM-only issue if my project uses CommonJS?

Accepted Answer

You need to use dynamic import() or convert your project to ESM. The README links to guides for migration, but this can be challenging for older codebases and may require significant refactoring.

Question 6

What are the supported apps in the open npm apps object?

Accepted Answer

It includes Chrome, Firefox, Edge, Brave, and auto-detects the default browser and private browser modes using default-browser. However, support is limited to these major browsers, so niche browsers might not be covered.

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