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Nuxt3w ago
LuisLC

Testing `import.meta.client` and/or `import.meta.server`

Basically, this: https://github.com/nuxt/test-utils/discussions/884 For me, its a soft-blocker to move from process.client to import.meta.client
GitHub
Testing import.meta.client and/or import.meta.server · nuxt tes...
In one of my modules I have changed occurrences of process.server and process.client to import.meta.server and import.meta.client. Previously I was able to write unit tests for both cases (e.g. whe...
2 Replies
kapa.ai
kapa.ai3w ago
Hi @LuisLC. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave: ---------------------- To address your question about testing import.meta.client and import.meta.server in Nuxt, I can provide some insights based on the available information. Nuxt 3 is moving away from using process.client and process.server in favor of import.meta.client and import.meta.server as mentioned in this PR (https://github.com/nuxt/nuxt/pull/26611). This change is part of the ongoing efforts to fully adopt import.meta.* in Nuxt v5 as noted in this deprecation PR (https://github.com/nuxt/nuxt/pull/27089). For testing purposes, Nuxt provides a utility called mockNuxtImport which allows you to mock Nuxt's auto-import functionality. However, the documentation doesn't explicitly mention how to mock import.meta.client or import.meta.server. That said, there's a potential workaround you could try: 1. Use mockNuxtImport to mock a composable that returns the desired value. 2. Use this mocked composable in your code instead of directly using import.meta.client or import.meta.server. Here's an example of how you might implement this:
import { mockNuxtImport } from '@nuxt/test-utils/runtime'

mockNuxtImport('useRuntime', () => {
return () => ({
client: true, // or false, depending on what you want to test
server: false // or true, depending on what you want to test
})
})

// In your actual code, instead of using import.meta.client, use:
const { client, server } = useRuntime()
if (client) {
// client-side code
}
if (server) {
// server-side code
}
import { mockNuxtImport } from '@nuxt/test-utils/runtime'

mockNuxtImport('useRuntime', () => {
return () => ({
client: true, // or false, depending on what you want to test
server: false // or true, depending on what you want to test
})
})

// In your actual code, instead of using import.meta.client, use:
const { client, server } = useRuntime()
if (client) {
// client-side code
}
if (server) {
// server-side code
}
This approach allows you to control the values of client and server in your tests. However, it's important to note that this is a workaround and not an official solution. The Nuxt team is aware of the need for better testing support for import.meta.*, as evidenced by the GitHub discussion you referenced (https://github.com/nuxt/test-utils/discussions/884). For now, this approach might help you move forward with adopting import.meta.client and import.meta.server, but keep an eye on the official Nuxt testing documentation and GitHub discussions for updates on this topic. ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ----------------------
kapa.ai
kapa.ai3w ago
<@797399561022734366> Kapa.ai is still learning and improving, please let me know how I did by reacting below.
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