aws-lambda: incorrect securityGroups check #27147
Labels
@aws-cdk/aws-lambda
Related to AWS Lambda
bug
This issue is a bug.
effort/small
Small work item – less than a day of effort
p1
Describe the bug
This commit in aws-lambda adds a check for the presence of a security groups parameter if the VPC parameter is not present. Since TypeScript treats empty arrays as
true
, the check for thesecurityGroups
parameter evaluates to true when an empty array is passed in forFunctionProps.securityGroups
.Expected Behavior
This condition checking for the presence of
FunctionProps.securityGroups
should evaluate tofalse
ifFunctionProps.securityGroups
is an empty array.Current Behavior
This condition checking for the presence of
FunctionProps.securityGroups
should evaluate totrue
ifFunctionProps.securityGroups
is an empty array.Reproduction Steps
Pass in an empty array for the
securityGroups
field and no value for thevpc
field inFunctionProps
when callingFunction::configureVpc
method.Possible Solution
Explicitly check for empty arrays in addition to the current truthiness check.
Additional Information/Context
No response
CDK CLI Version
2.93.0
Framework Version
No response
Node.js Version
14.19.1
OS
Linux
Language
Typescript
Language Version
No response
Other information
No response
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