Inside my NextJS project I have a node script in scripts/build-search.mjs which fetches all my documents and indexes them for algolia. Because that's outside of my NextJS environment I need a polyfill for fetch. I Implemented it in the suggested way by using node-fetch. import fetch from 'node-fe…

Hi @marco3 , Thanks for reaching out, In fact the error is telling you to use either Import or require but not both, can you try to replace import fetch by require?

Hey @Fares Unfortunately this didn't change the error. I also tried it with v2 of node-fetch and the async import as described in the docs node-fetch - npm . I replaced node-fetch by cross-fetch and now slicemachine is working again. I have no clue why node-fetch and slicemachine don't like each ot…

Well, I've seen a similar issue before, and it turns out that it was related to the node-fetch version, please check this topic reply .

Tracking this issue. While it is likely not a "huge" issue, using node-fetch@2.6.1 from September of 2020 seems like a potential issue and one that should be addressed by the Slice-Machine team.

Hi @springtreedigital Thanks for letting us know; as you know, Slice Machine is an open source project, so feel free to raise an issue on the Project page as well as PR if you would like to contribute. On my side, I will check with Slice Machine team if there is a solution for this, but before all…

[image] Sure thing. Using latest version 3 of node-fetch. It's in their docs that if this is an issue, then just use the latest of version 2. I didn't know this at the time.

Thanks for your reply, I have reported this to our dev team and I will let you know in case of any updates.

Hey @cptflammin , I suppose you're referring to Nuxt 3. Here are the updates we have for the moment: [image] Slice Simulator Nuxt 3 Developing with Prismic Hi Frank, Welcome to the community! So I don't have any hard dates on anything but here's what I know: Vue 3 SDK:…

Hey @Pau , no I am referring to the possibility to use node-fetch v3. Current workaround requires to downgrade to node-fetch v2

Slicemachine not working anymore when having node script with custom fetch implementation

Developing with Prismic

Pau September 14, 2022, 6:05pm 15

Hey @cptflammin, I suppose you're referring to Nuxt 3. Here are the updates we have for the moment:

Topic		Replies	Views
Trying to set up next.js test - slicemachine error ERR_REQUIRE_ESM Developing with Prismic nextjs	13	2316	June 1, 2022
ERR_REQUIRE_ESM when launching Slice Machine (latest version) Developing with Prismic slice-machine	5	97	January 26, 2026
NextJS start project guide doesn't work Developing with Prismic nextjs	4	821	April 6, 2022
Slice Manager import issue Developing with Prismic nuxtjs , slice-machine	2	63	February 5, 2026
Slice machine error while taking screenshot Developing with Prismic slice-machine	4	1548	July 15, 2021

Slicemachine not working anymore when having node script with custom fetch implementation

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