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A cloudformation json -> cdk typescript transpiler.

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noctilucent

In a world where people want to use the full extent of the cdk, there was no product that would transform all your JSON/YAML into beautiful typescript...until now.

Noctilucent will take your JSON/YAML and output the equivalent typescript.

User Guide

$ cargo build --release
$ ./target/release/noctilucent [INPUT] [OUTPUT]
  • INPUT is the input file path (STDIN by default).
  • OUTPUT is the output file path; if not specified, output will be printed on your command line (STDOUT by default).

Cargo Features

Name Enabled by default Description
typescript ✔️ Enables support for TypeScript output
golang Enables support for Go output

You can enable experimental languages (not enabled by default) by enabling the relevant feature:

$ cargo build --release --features=golang
Finished release [optimized] target(s) in 0.17s

If you want to disable on-by-default languages, you can pass --no-default-features:

$ cargo build --release --no-default-features --features=golang
Finished release [optimized] target(s) in 0.17s

Implemented

  • Fn::FindInMap
  • Fn::Join
  • Fn::Sub
  • Ref
  • Fn::And
  • Fn::Equals
  • Fn::If
  • Fn::Not
  • Fn::Or
  • Fn::GetAtt
  • Fn::Base64 support
  • Fn::ImportValue support
  • Fn::Select support
  • Resource ordering based on dependencies
  • Conditions are emitted in ts but not attached to resource conditions
  • Metadata emission for updates to asgs / lambda functions.
  • Emission of outputs / exports
  • Fn::GetAZs support
  • Adding depends-on, and ordering based on it too.
  • Deletion policy
  • Fn::Cidr support

Remaining

There are known unsupported features. Working on them in priority order:

  • Create policy
  • ssm metadata references
  • secretsmanager references

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A cloudformation json -> cdk typescript transpiler.

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  • Rust 95.0%
  • Go 2.3%
  • TypeScript 2.1%
  • Shell 0.6%