tsconfig.json

{
  "compilerOptions": {
      "outDir": "./dist",
      "rootDir": "./src",
      "baseUrl": "./src",
      "allowJs": true,
      "paths": {
        "@addon": ["addon"],
        "@addon-bindings": ["addon-bindings"],
        "@addon-types": ["addon-types"]
      },
      "plugins": [{ "transform": "@zerollup/ts-transform-paths" , "exclude": ["*"]}],

      /* Basic Options */
      "incremental": false,                     /* Enable incremental compilation */
      "target": "es2020",                       /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
      "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
      "lib": ["es2020"],                        /* Specify library files to be included in the compilation. */
      "declaration": true,                      /* Generates corresponding '.d.ts' file. */
      "declarationMap": true   ,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
      "composite": false,                       /* Enable project compilation */
      "removeComments": false,                   /* Do not emit comments to output. */
      "importHelpers": false,                   /* Import emit helpers from 'tslib'. */

      /* Strict Type-Checking Options */
      "strict": true,                           /* Enable all strict type-checking options. */
      "noImplicitAny": true,                    /* Raise error on expressions and declarations with an implied 'any' type. */
      "strictNullChecks": true,                 /* Enable strict null checks. */
      "strictFunctionTypes": true,              /* Enable strict checking of function types. */
      "strictBindCallApply": true,              /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
      "strictPropertyInitialization": true,     /* Enable strict checking of property initialization in classes. */
      "noImplicitThis": true,                   /* Raise error on 'this' expressions with an implied 'any' type. */
      "alwaysStrict": true,                     /* Parse in strict mode and emit "use strict" for each source file. */

      /* Additional Checks */
      "noUnusedLocals": false,                   /* Report errors on unused locals. */
      "noUnusedParameters": true,               /* Report errors on unused parameters. */
      "noImplicitReturns": true,                /* Report error when not all code paths in function return a value. */
      "noFallthroughCasesInSwitch": true,       /* Report errors for fallthrough cases in switch statement. */

      /* Module Resolution Options */
      "moduleResolution": "node",               /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
      "allowSyntheticDefaultImports": true,     /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
      "esModuleInterop": true,                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
      // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
      "resolveJsonModule": true,

      /* Source Map Options */
      "inlineSourceMap": true,                  /* Emit a single file with source maps instead of having a separate file. */
      "inlineSources": true,                    /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */

      /* Experimental Options */
      "experimentalDecorators": true,           /* Enables experimental support for ES7 decorators. */
      "emitDecoratorMetadata": true,            /* Enables experimental support for emitting type metadata for decorators. */

      /* Advanced Options */
      "forceConsistentCasingInFileNames": true  /* Disallow inconsistently-cased references to the same file. */
  },
  "include": ["./src"]
}