tsconfig.json

{
    // @link https://iamturns.com/typescript-babel/
    "compilerOptions": {
        // Target latest version of ECMAScript.
        "target": "esnext",
        // Search under node_modules for non-relative imports.
        "moduleResolution": "node",
        // Process & infer types from .js files.
        "allowJs": false,
        // Enable strictest settings like strictNullChecks & noImplicitAny.
        "strict": true,
        // Disallow features that require 
        // cross-file information for emit.
        "isolatedModules": false,
        // Import non-ES modules as default imports.
        "esModuleInterop": true,

        "outDir": "./dist/typings",
        "noEmit": true,
        "declaration": true,

        /**
         * @link https://spblog.net/post/2018/10/26/TypeScript-Tips-How-to-reduce-the-size-of-a-bundle
         */
        "importHelpers": true,

        "typeRoots": [
            "./src/types/modules"
        ]
    },
    "formatCodeOptions": {
        "indentSize": 2,
        "tabSize": 2
    },
    "include": [
        "test",
        "src"
    ],
    "exclude": [
        "node_modules",
        "**/node_modules/*",
        "dist",
        "test/tutorials/*",
        "examples",
        "docs",
        "docs-src",
        "test_tmp"
    ],
    "compileOnSave": false
}