tsconfig.json

{
  "compilerOptions": {
    /* Visit https://aka.ms/tsconfig.json to read more about this file */
    // "target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
    // "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
    // "lib": [
    //   "es6"
    // ], /* Specify library files to be included in the compilation. */
    "allowJs": false, /* Allow javascript files to be compiled. */
    "outDir": "build", /* Redirect output structure to the directory. */
    "rootDir": "src", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
    "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "resolveJsonModule": true, /* Include modules imported with '.json' extension */
    "skipLibCheck": true, /* Skip type checking of declaration files. */
    "forceConsistentCasingInFileNames": true, /* Disallow inconsistently-cased references to the same file. */
    "target": "es2020",
    "lib": [
      "es2020",
      "DOM"
    ],
    "module": "ES2020", // (A)
    "moduleResolution": "Node", // (B)
    // "strict": true,
    "sourceMap": true,
    // Needed for CommonJS modules
    "allowSyntheticDefaultImports": true, // (C)
    //
    "declaration": true,
  },
  "include": [
    "src",
  ],
}