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How to access next.config.mjs in server route

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"use php" posted this in #help-forum
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"use php"OP
I'm trying to access next.config.mjs in server route

I'm doing this so I can get the deviceSizes & imageSizes. Next.js Image optimisation doesn't work on the edge, hence I need to make some custom routes.

If I just use import, I get whole tons of errors Like:
Module not found: Can't resolve 'diagnostics_channel'


I'll share my code
Answered by "use php"
"just export them as constants from some mjs file and import them both into your page and the config file" -- Joulev
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"use php"OP
import config from 
"@/../next.config.mjs"
const allowedWidths = [...config.images?.deviceSizes ?? defaultDeviceSizes, ...config.images?.imageSizes ?? defaultImageSizes]
I get errors like
"use php"OP
"just export them as constants from some mjs file and import them both into your page and the config file" -- Joulev
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