Nuxt•4w ago

Vite alias depending on server or client script

How would one do an alias to dynamically import a library or another in Nuxt3, if the code has to be sent either to the frontend or if its worked upon in the backend?

3 Replies

kapa.ai•4w ago

Hi @valerio. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave: ---------------------- To create a dynamic alias in Nuxt 3 that imports different libraries based on whether the code is running on the server or client, you can use the alias option in your nuxt.config.ts file along with the #build alias. Here's how you can achieve this: 1. First, set up your aliases in the nuxt.config.ts file:

export default defineNuxtConfig({
  alias: {
    '#my-library': process.server 
      ? '#build/server-library'
      : '#build/client-library'
  }
})

export default defineNuxtConfig({
  alias: {
    '#my-library': process.server 
      ? '#build/server-library'
      : '#build/client-library'
  }
})

2. Then, create two files in your project: - server-library.ts (or .js) for the server-side code - client-library.ts (or .js) for the client-side code 3. In your components or pages, you can now import the library using the alias:

import { someFunction } from '#my-library'

import { someFunction } from '#my-library'

This setup will automatically use the correct library based on whether the code is running on the server or client. It's important to note that this approach uses the #build alias, which is part of Nuxt's virtual file system. According to the Nuxt documentation on ES Modules, the #build alias is now included in nuxt.options.alias again. Additionally, be aware that when using aliases, you should be cautious of potential issues with ESM compatibility. The ES Modules documentation provides more information on troubleshooting ESM-related problems. For more advanced use cases or if you need to add custom build plugins, you might want to look into using addBuildPlugin as described in the Nuxt Kit Builder documentation. This allows you to add plugins that can be specific to either Vite or webpack, giving you more control over the build process for both server and client. Remember that when working with server and client-specific code, you need to be mindful of the execution environment to avoid errors related to browser-specific APIs on the server side. ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------

kapa.ai•4w ago

<@612831566565212160> Kapa.ai is still learning and improving, please let me know how I did by reacting below.

valerioOP•4w ago

It doesnt work. Next we should try to do dynamic imports. If the script is being run on the server then import the server library, else the client library.

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Vite alias depending on server or client script

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