\n

to debug the problem. is there a way i can do that?

","upvoteCount":1,"answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"

$inspect().with might help.

","upvoteCount":0,"url":"https://github.com/sveltejs/svelte/discussions/17336#discussioncomment-15208290"}}}

How to catch error from each block key duplication scenario #17336

Answered by brunnerh

Keshav-writes-code asked this question in Q&A

How to catch error from each block key duplication scenario #17336

Keshav-writes-code

Dec 9, 2025 · 1 comments · 3 replies

Answered by brunnerh Return to top

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Keshav-writes-code

Dec 9, 2025

i would want to catch the errors like Uncaught Svelte error: each_key_duplicate Keyed each block has duplicate key to debug the problem. is there a way i can do that?

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Answered by brunnerh Dec 9, 2025

$inspect().with might help.

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edited

brunnerh

Dec 9, 2025

Using $inspect on the source list should show you the items, which in turn should allow you to determine which objects have duplicate keys.

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Keshav-writes-code Dec 9, 2025

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thanks, but i wanted to also log some other buisness logic. is it possible?

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brunnerh Dec 9, 2025

$inspect().with might help.

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Keshav-writes-code Dec 9, 2025

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thanks!

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