check-json doesn't detect duplicate keys · Issue #554 · pre-commit/pre-commit-hooks · GitHub
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check-json doesn't detect duplicate keys #554

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#558
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check-json doesn't detect duplicate keys#554
#558
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enhancementgood-first-issue

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@adamchainz
adamchainz
opened on Feb 4, 2021

The YAML check does this since #351 but since the json module's default behaviour is to ignore duplicates, duplicates are still possible in JSON. I think a small object_pairs_hook can be used to detect duplicates?

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