Error importing SCHEMA_TYPES enum when using index.d.ts.

[bloodgang94]

Hello! My project is on typescript. I moved index.d.ts to my project.

When importing SCHEMA_TYPES I get the error TypeError: Cannot read property 'SCHEMA_TYPE_AVRO' of undefined

Example

import { SCHEMA_TYPES, SchemaRegistry } from 'k6/x/kafka'
....
console.log(SCHEMA_TYPES.SCHEMA_TYPE_AVRO)

declare module 'k6/x/kafka' {
  /**
   * @packageDocumentation
   * xk6-kafka is a k6 extension to load test Apache Kafka
   */

  /**
   * @module k6/x/kafka
   * @description
   * The xk6-kafka project is a k6 extension that enables k6 users to load test Apache Kafka using a producer and possibly a consumer for debugging.
   * This documentation refers to the development version of the xk6-kafka project, which means the latest changes on `main` branch and might not be released yet, as explained in [the release process](https://github.com/mostafa/xk6-kafka#the-release-process).
   * @see {@link https://github.com/mostafa/xk6-kafka}
   */

  /** Compression codecs for compressing messages when producing to a topic or reading from it. */
  export enum COMPRESSION_CODECS {
.....

tsconfig

{
  "compilerOptions": {
    "baseUrl": "./src",
    "paths": {
      "load/*": ["./*"]
    },
    "target": "es2017",                        
    "module": "commonjs",                     
    "lib": [                                
      "esnext",
      "dom"
    ],
  
    "declaration": true,                  
    "declarationDir": "./dist/types",
    "sourceMap": true,                      
    "outDir": "./dist",                     
    "strict": true,                          
    "moduleResolution": "node",               
    "typeRoots": [                           
      "node_modules/@types",
      "./types"
    ],
    "esModuleInterop": true,                  
    "experimentalDecorators": true,       
    "emitDecoratorMetadata": true           
  },

  "exclude": [
    "node_modules"
  ],
  "include": [
    "src",
  ],

}

I found a similar problem

If you change it to constant then there is no error. Do I understand correctly that index.d.ts is not relevant?

[mostafa]

Hey @bloodgang94,

There is no such symbol named SCHEMA_TYPES and these are the schema types you can import into your code. https://github.com/mostafa/xk6-kafka/blob/1d8e9efcd937e8ab7a476e7546e5c0181e1d3014/module.go#L210-L215

As for the index.d.ts file, I tried to keep it as close to the exported parameters as I can and it is still relevant, AFAIK. I used enums to be able to reference them in other types, but they are actually constants, so you'd better import the actual constant.

[bloodgang94]

@mostafa , how did you think about fixing index.d.ts? I can help you with this by making a merge request. It would also be nice to publish it there https://github.com/DefinitelyTyped/DefinitelyTyped

[mostafa]

@bloodgang94 Go for it.

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