fix(parser): set APIGatewayProxyEventSchema body and query string keys to be nullable #2465
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Summary
The APIGatewayProxyEventSchema has incorrect types for these request keys:
body
,queryStringParameters
, andmultiValueQueryStringParameters
.The above fields are incorrectly validating against
z.optional()
(undefined) when they are not present in the request, but API Gateway actually sends these values asnull
in this case.Changes
This PR addresses the issue by changing the Zod schemas to use
z.nullable()
instead. Unit tests are updated to reflect the change.Issue number: #2461
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