import type { PackageJson } from 'nx/src/utils/package-json';
import type { NormalizedSchema } from '../schema';

export function determineEntryFields(
  options: NormalizedSchema
): Pick<PackageJson, 'module' | 'types' | 'exports'> {
  if (options.bundler === 'none') {
    return {
      module: options.js ? './src/index.js' : './src/index.ts',
      types: options.js ? './src/index.js' : './src/index.ts',
      exports: {
        '.': options.js
          ? './src/index.js'
          : {
              types: './src/index.ts',
              import: './src/index.ts',
              default: './src/index.ts',
            },
        './package.json': './package.json',
      },
    };
  }

  return {
    module: './dist/index.mjs',
    types: './dist/index.d.ts',
  };
}