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yup

Open Source Updated 32d ago

Object schema validation

npm install yup

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Schema builder for runtime value parsing and validation — define a schema once, use it everywhere. Used heavily with Formik and React Hook Form.

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30 developers visited via IndieStack this month

npmvalidationschemaformreactobject

Last commit 32d ago240 open issues

Using this saves ~50k tokens vs building from scratch

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