Support generating only type definitions

[aniravi24]

Hello!

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Issue details

When using the generated code from this library, I'm noticing that the outputs at runtime can be undefined. For example, grabbing the metadata column and depending on it in other resources can cause Pulumi to throw field is undefined errors and hang. I think my custom TypeScript config might be tripping it up, but the CRDs I have so far are already installed by helm charts and I don't need this library to manage them, I primarily want the types.

I use the default Pulumi setup (nodejs runtime, etc.) but the one thing I tweak is my tsconfig.

{
  "compilerOptions": {
    "experimentalDecorators": true,
    "forceConsistentCasingInFileNames": true,
    "module": "commonjs",
    "moduleResolution": "node",
    "noEmit": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitReturns": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "pretty": true,
    "skipDefaultLibCheck": true,
    "skipLibCheck": true,
    "sourceMap": true,
    "strict": true,
    "target": "ESNext"
  },
  "include": ["./**/*.ts"]
}

[blampe]

can cause Pulumi to throw field is undefined errors and hang

@aniravi24 do you have some code that reproduces the hang you're experiencing? That sounds like the bigger problem to fix.

[aniravi24]

I think it happens on any CRD where I try to reference it elsewhere (e.g. using the .metadata.name field in a different resource, metadata will be undefined). I am a bit backed up at the moment, but I will need to pull out a repro when I can.

It would also be awesome if the generated code passed strict tsconfig type checks (like the tsconfig I listed above). I've been editing the generated output to manually remove unused variables.