gistfile1.txt

-- Contenuto del tsconfig.json
{
    // Enable support for importing CommonJS modules targeting es6 modules
   "esModuleInterop": true,

   // When using above interop will get missing default export error from type check since
   // modules use "export =" instead of "export default", enable this to ignore errors.
   "allowSyntheticDefaultImports": true
}

-- Contenuto del file index.ts (nella stessa directory c'è angle-normals.js)
-- (https://raw.githubusercontent.com/mikolalysenko/angle-normals/master/angle-normals.js)
import * as angleNormals from './angle-normals';

// Works
angleNormals();

-- Compilo con
tsc --allowJs --outDir dist