tsconfig.json

{
	"compilerOptions": {
		/* Visit https://aka.ms/tsconfig to read more about this file */

		/* Language and Environment */
		"target": "ES6" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
		"experimentalDecorators": true /* Enable experimental support for legacy experimental decorators. */,
		"emitDecoratorMetadata": true /* Emit design-type metadata for decorated declarations in source files. */,

		/* Modules */
		"module": "commonjs" /* Specify what module code is generated. */,
		"rootDir": "src" /* Specify the root folder within your source files. */,
		"moduleResolution": "node" /* Specify how TypeScript looks up a file from a given module specifier. */,
		"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. */,

		/* Emit */
		"outDir": "dist" /* Specify an output folder for all emitted files. */,

		/* 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. */,
		"alwaysStrict": true /* Ensure 'use strict' is always emitted. */,

		/* Completeness */
		"skipLibCheck": true /* Skip type checking all .d.ts files. */
	}
}