Build command never stops loading

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1

I am trying to deploy this repo:

and i execute the build command locally no to waist build minutes, but the build never stops.
After i run the command:
$ npm run build

[email protected] build
npx parcel index.html

Server running at http://localhost:3000
:sparkles: Built in 6ms

and then nothing happens for 15 minutes+.
Deploying from repo on the site has the same result.
Why it is so and i dont get any warning or log so i dont know how to fix it?

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