What is the best way to export TypeScript for utilization without bundling tools?

I am dealing with a small package that contains a package.json file structured as follows:

{
  "name": "@nomatter/utils",
  "license": "MIT",
  "author": "Dave Stein",
  "version": "0.0.1",
  "scripts": {
    "tsc:watch": "tsc --watch --preserveWatchOutput"
  },
  "type": "module",
  "main": "out-tsc/src/index.js",
  "types": "out-tsc/src/index.d.ts",
  "dependencies": {
    "typescript": "^4.9.5",
    "yup": "^0.32.11"
  },
  "devDependencies": {},
  "description": ""
}

The TypeScript configuration in my exported package and the application importing it looks like this (excluding the declaration field which is only present in the exported package):

{
  "compilerOptions": {
    "target": "es2018",
    "module": "esnext",
    "moduleResolution": "node",
    "noEmitOnError": true,
    "lib": ["es2017", "dom"],
    "strict": true,
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "experimentalDecorators": true,
    "importHelpers": true,
    "outDir": "out-tsc",
    "sourceMap": true,
    "inlineSources": true,
    "rootDir": "./",
    "incremental": true,
    "declaration": true
  },
  "include": ["**/*.ts"],
}

I am struggling to determine the correct configuration for the main and types fields in the package.json.

When my app attempts to do import @nomatter/utils, the TypeScript compiler raises an error stating that it cannot resolve the import.

I expected the TSC compiler to be able to read the imported js files generated by itself. However, when I examine out-tsc/src/index.js, it appears to have the basic export statement that I anticipated based on the provided configurations. I am unsure why it cannot be located?

https://i.sstatic.net/D6QQQ.png

index.ts simply contains export const signupSchema = {};, while index.d.ts consists of

export declare const signupSchema: {};

Answer №1

This answer is deemed correct, based on the information provided in my initial query.

  "type": "module",
  "main": "out-tsc/src/index.js",
  "types": "out-tsc/src/index.d.ts",

Following a suggestion from @jsejckson, I realized that the issue stemmed from improper symlinking. By correctly using npm link, the problem was successfully resolved.

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