When not to use tRPC?

If I'm building a mobile and/or a web app with React Native / NextJS (TS), is there any scenario you would advise people not to use tRPC? (We can assume all the clients are in the same repo as the server) Are there any current limitations or cons of tRPC that people should be aware of?
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Unknown User3y ago
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Wezter
WezterOP3y ago
Okey as a condition we can add this. When not to use tRPC when I have all the clients in the same repository? 🙂
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Unknown User3y ago
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Wezter
WezterOP3y ago
Which of the different adapters would you both recommend for tRPC btw? I was considering Fastify for when it's only going to be mobile clients (or even web but high backend complexity) and NextJS when there will be web or web + mobile with (lower backend complexity) Does this seem reasonable? @Amirko28 @git commit -m "changes" +250k -3
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Unknown User3y ago
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Wezter
WezterOP3y ago
Yeah I'm not saying there will be two implementations for one project. I'm saying that based on what I'll be developing it wold either use NextJS or it would use Fastify.
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Wezter
WezterOP3y ago
I don't have much experience with any of this but using NextJS for the BE won't make much sense if there's not a web client right?
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Wezter
WezterOP3y ago
Yeah I'm not saying it's not good. I'm saying if you are developing a mobile app does it really make sense to build the backend with NextJS?
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Unknown User3y ago
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Wezter
WezterOP3y ago
React Native results in native mobile apps.
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Wezter
WezterOP3y ago
You can't use Nextjs for developing the mobile app client.
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Wezter
WezterOP3y ago
Nowadays it's rather Kotlin for Android if you're developing separate apps But if I can code for iOS, Android and Web with one code base and use React Native for all UI and have like 60-90% code sharing between web / mobile with good performance I don't really see a good reason to build separate apps for web / iOS / Android
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Amos
Amos3y ago
Curious what you are building @wezter96
Wezter
WezterOP3y ago
Right now I'm working on two different apps but this is not really for those but for future projects that will be web / mobile / both 🙂
Amos
Amos3y ago
How do you decide if you need both mobile and web? I was like you a few months ago and doing a lot of research for the "ultimate universal stack" and in the end I said fuck it and just started building with Next.js + tRPC + Chakra 😛
Wezter
WezterOP3y ago
but then you're building web only I'm guessing? If a client wants their project to be accessible both as an app and through web. This is where I'm at right now.
Amos
Amos3y ago
Yeah just web cus it's just my personal stuff and don't think my users will necessarily want a mobile app I am waiting for Tamagui to become stable and veering away of the idea that Solito is smart
Wezter
WezterOP3y ago
What is it that you don't like about Solito?
Amos
Amos3y ago
I just feel like it seems simple to share screens across web and mobile but in the end it was a pain in the arse for me and it was easier to just create them separately 🤷‍♂️ maybe I am just doing it wrong
Wezter
WezterOP3y ago
I've only tried with like three screens so far but for those it was pretty smooth. And if you're gonna build a responsive website anyway then it's not that big of a step to make it work through mobile app as well it feels like.
shaaah
shaaah3y ago
Are you building this for personal use or client?
theo (t3.gg)
theo (t3.gg)3y ago
If client and server are both 1. Owned by same team and 2. Using TS, it’s really hard to justify NOT using tRPC Other solutions are less a question of “what’s bad about tRPC”, more questions of organization structure
shaaah
shaaah3y ago
Same team = monorepo right?
theo (t3.gg)
theo (t3.gg)3y ago
Monorepo or monolith Doesn’t matter too much as long as one group of people owns it
Wezter
WezterOP3y ago
Mainly thinking about it for projects for future clients right now. Ah thanks a lot for the input! Would you say that if there's high backend complexity (or if I don't have any web client) for the project then building a tRPC server with the fastify adapter would be preferred and if I have web clients and lower backend complexity then using it with Nextjs would be preferred? Also wondering what you do to keep the backend scaleable with Nextjs? What do you have to replace load balancers and such so you can handle a lot of traffic. Is it possible to have multiple different web clients go towards the same Nextjs "server"?
theo (t3.gg)
theo (t3.gg)3y ago
Start with the simplest thing and make changes when you run into problems. Next is usually that thing. Scale is not a problem in serverless. Anything can query anything if "anything" has a URL associated
Wezter
WezterOP3y ago
Okey and how do I add access for the server for my NextJS backend to additional web / mobile clients? (I guess that would be handled my authentication provider and my server would just validate my tokens?)
Scot
Scot3y ago
I think in an organisation there's a lot of other reasons, but you'll know what they are at that point
Wezter
WezterOP3y ago
Is it possible for client that aren't in the same repo to connect to a tRPC backend?
theo (t3.gg)
theo (t3.gg)3y ago
To connect? Absolutely. To be a good dev experience? Questionable
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