[Bugfix]: Empty resource node + safe check FnGetAttNode

Changes:
https://github.com/robessog/cfn-resolver-lib/releases/tag/v1.1.7
https://github.com/robessog/cfn-resolver-lib/releases/tag/v1.1.6.1

Fn::Split support

v.1.1.5

FnSplit support

Fn::ImportValue resolution

Fn::ImportValue resolvers

Define yout Fn::ImportValue resolvers in the parameter map as the following:

{ 
  "Fn::ImportValueResolvers": {
    "OtherStacksExportedKey1": "MyFakeImportedValue1"
  }
}

Resolving Fn::GetAtt ... Arn when resources is in template

Built in ARN schemas:

• AWS::Lambda::Function
• AWS::SNS::Topic
• AWS::SQS::Queue
• AWS::CloudWatch::Alarm
• AWS::S3::Bucket

User can define additional custom ARN schemas in parameters. Example can be found in in tests:

• robessog/cfn-resolver-lib@68a9908#diff-83a123699d1c2d1de9f8b696c6606ce9R14

GetAtt can resolve attributes from the template

• GetAtt can resolve attributes from the template
• Bugfix for empty arrays

Fixing usage example in README.md

v1.1.1

fixing readme usage example

Fixing typos in public API

Changes

Summary

Fixed some typos in public APIs in a backward compatible way.

• RefResolvers field in the stack parameters had a typo, this new version works both RefResolvers and RefResolveres

To be safe we increase the minor version, but this is not be a breaking change.

Contributors

Big thanks to the contributors:

• bboure

Support for aws-cn AZs

v1.0.7

adding aws-cn partition support

Support for FnSplit, FnSelect and FnGetAZs

v1.0.6

support for FnSelect, FnSplit and FnGetAZs