fionawhim

Personal site of Fiona Hopkins. Coding, crafting, gaming, and queer shit.

Emotion style tags?!?

3 September 2019

Ugh. I can’t say I’m happy about this. I saw my layout flash a little bit as the browser loaded, so I turned off JavaScript to see what was going on.

Screenshot of the fionawh.im homepage without JavaScript

All that janky vertical space! What’s going on?

It looks like some phantom <style> tags put in by Emotion / Theme UI are triggering * + h3 CSS selectors that add top margin. Meh. Gonna have to figure out how to clear those out in the SSR render.

Web inspector showing Emotion style tags littered throughout the HTML

Update: It seems like this is a known issue with Emotion’s default, streaming-supporting SSR implementation, but switching to the older extractCritical API fixes it. I’ll have to take a look at switching to that later.

Update 2: I filed gatsbyjs/gatsby#17370 to ask about getting this fixed in gatsby-plugin-emotion, but until then I was able to sort it out in my own blog theme via gatsby-ssr and gatsby-browser hooks.


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