tsconfig.json

{
  "compilerOptions": {
    /* Visit https://aka.ms/tsconfig to read more about this file */
    "target": "ESNext",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    "lib": [
      "ESNext",
      "DOM"
    ],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
    "moduleResolution": "node",                       /* Specify how TypeScript looks up a file from a given module specifier. */
    "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
    "resolveJsonModule": true,                        /* Enable importing .json files. */
    "allowJs": true,                                  /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */

    "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
    "declarationMap": true,                           /* Create sourcemaps for d.ts files. */
    "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
    "outDir": "./lib",                                   /* Specify an output folder for all emitted files. */
    "removeComments": false,                           /* Disable emitting comments. */

    "allowSyntheticDefaultImports": true,             /* Allow 'import x from y' when a module doesn't have a default export. */
    "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": false,                            /* Enable error reporting for expressions and declarations with an implied 'any' type. */
    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
  },
  "include": [
    "src"
  ]
}