Fix add channel button adding default channel when channel axis is 0

[AlexSurtees]

Description

Adding a channel automatically added the default channel (first one in list) due to a mistake in the logic when checking if the channel_axis was defined (unintentionally excluding 0 values as well as null).

Fixes # (issue)
Fixes #17

Type of change

• 🐛 Bug fix (non-breaking change that resolves an issue)
• ✨ New feature (non-breaking change that adds functionality)
• ⚡ Optimisation (non-breaking improvement to performance or efficiency)
• 🧩 Documentation (adds or improves documentation)
• 🧱 Maintenance (refactor, dependency update, CI/CD, etc.)
• 🔥 Breaking change (fix or feature that causes existing functionality to change)

Checklist

• All tests pass (eg. npm test)
• Pre-commit hooks run successfully (eg. pre-commit run --all-files)
• Documentation updated (if required)

[will-moore]

Thanks for the fix.

It would be really handy to enable netlify builds on this repo so that each PR is automatically deployed. We used to have that a while back on hms vizarr repo.

Tested locally and it's looks good 👍

[AlexSurtees]

Thanks for the fix.

It would be really handy to enable netlify builds on this repo so that each PR is automatically deployed. We used to have that a while back on hms vizarr repo.

Tested locally and it's looks good 👍

@will-moore I believe we have automated deployments when the main branch is updated, @davehorsfall may be able to confirm this. Since we are working in a main -> dev -> feature branch workflow there will be a slight delay in the fix being deployed.

[will-moore]

I meant that it would be useful for testing PRs before they are merged.

We have this enabled on ome-ngff-validator e.g. see ome/ome-ngff-validator#64 and a bunch of other repos. It's very easy and free to set up - login to netlify with your github account (the BioNGFF account) and point it at the repos you want to deploy.

[AlexSurtees]

I meant that it would be useful for testing PRs before they are merged.

We have this enabled on ome-ngff-validator e.g. see ome/ome-ngff-validator#64 and a bunch of other repos. It's very easy and free to set up - login to netlify with your github account (the BioNGFF account) and point it at the repos you want to deploy.

Ah, I see now - thanks Will. This does indeed seem useful, I'll chat to the team and see if we can get it set up.

[davehorsfall]

🎉 This PR is included in version 1.2.0 🎉

The release is available on GitHub release

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