tsconfig.json

{
  "compilerOptions": {
    "target": "ES2020",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    "lib": ["es6"],                                      /* Specify a set of bundled library declaration files that describe the target runtime environment. */
    "rootDir": "src",                                    /* Specify the root folder within your source files. */
    "resolveJsonModule": true,   
    "module": "CommonJS",
    "moduleResolution": "node",
    "declaration": true,
    "declarationDir": "build/dts",
    "declarationMap": true,
    "allowJs": true,                                     /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
    "outDir": "build",                                   /* Specify an output folder for all emitted files. */
    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
    "strict": true,                                      /* Enable all strict type-checking options. */
    "noImplicitAny": true,                               /* Enable error reporting for expressions and declarations with an implied 'any' type. */
    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
  },
  "exclude": ["node_modules", "build", "wasm.config.js"],
  "include": ["src/**/*"],
  "ts-node": {
    "esm": true
  }
}