tsconfig.json

{
    "compilerOptions": {
        /* Language and Environment */
        "target": "ES2019" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,

        /* Modules */
        "module": "commonjs" /* Specify what module code is generated. */,
        "typeRoots": ["node_modules/@types", "typings"] /* Specify multiple folders that act like './node_modules/@types'. */,
        "resolveJsonModule": true /* Enable importing .json files. */,

        /* JavaScript Support */
        "allowJs": true /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */,
        "checkJs": true /* Enable error reporting in type-checked JavaScript files. */,

        /* Emit */
        "sourceMap": false /* Create source map files for emitted JavaScript files. */,
        "outDir": "dist" /* Specify an output folder for all emitted files. */,
        "removeComments": false /* Disable emitting comments. */,

        /* Interop Constraints */
        "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. */,

        /* Type Checking */
        "strict": true /* Enable all strict type-checking options. */,
        "noImplicitAny": true /* Enable error reporting for expressions and declarations with an implied 'any' type. */,
        "alwaysStrict": true /* Ensure 'use strict' is always emitted. */,
        "noUnusedLocals": true /* Enable error reporting when local variables aren't read. */,
        "noUnusedParameters": true /* Raise an error when a function parameter isn't read. */,

        /* Completeness */
        "skipLibCheck": true /* Skip type checking all .d.ts files. */
    },
    "include": ["src/**/*", "typings/*"],
    "exclude": ["node_modules/**", "dist/**"]
}