Next.js dev server running out of memory when editing .css.ts files?

[calebmer]

Is anyone else experiencing out of memory exceptions exclusively when working in .css.ts files with Next.js? After ~10–20min of work my Next.js dev server consistently crashes when:

1. I’m editing .css.ts files
2. The .css.ts file causes Next.js to reload the page (vs a fast refresh reload)

At some point I will investigate more closely and try to consistently repro/profile but starting a conversation in case anyone else has ran into this problem or might have an idea of what in the webpack plugin might cause this.

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I think this is unrelated but I’m seeing this in my console:

<w> [webpack.cache.PackFileCacheStrategy] Serializing big strings (172kiB) impacts deserialization performance (consider using Buffer instead and decode when needed)
<w> [webpack.cache.PackFileCacheStrategy] Serializing big strings (172kiB) impacts deserialization performance (consider using Buffer instead and decode when needed)
<w> [webpack.cache.PackFileCacheStrategy] Serializing big strings (172kiB) impacts deserialization performance (consider using Buffer instead and decode when needed)