tsconfig.json

{
	"compilerOptions": {
		"target": "es2017",
		"module": "commonjs",
		"moduleResolution": "node",
		"lib": [
			"es2017",
			"dom"
		],
		"sourceMap": true,
		"rootDir": "./src",
		"types": [
			// add node as an option
			"node"
		],
		"typeRoots": [
			// add path to @types
			"node_modules/@types"
		],
		"skipLibCheck": true,
		"baseUrl": "./",
		"paths": {
			"*": [
				"src/@types/*"
			],
			"src/*": [
				"./src/*"
			]
		},
		"declaration": true
		/* Generates corresponding '.d.ts' file. */,
		"declarationMap": true
		/* Generates a sourcemap for each corresponding '.d.ts' file. */,
		"outDir": "./lib"
		/* Redirect output structure to the directory. */,
		"strict": true
		/* Enable all strict type-checking options. */,
		"esModuleInterop": true,
		"experimentalDecorators": true
		/* Enables experimental support for ES7 decorators. */,
		"emitDecoratorMetadata": true
		/* Enables experimental support for emitting type metadata for decorators. */,
		/* Advanced Options */
		"forceConsistentCasingInFileNames": true
		/* Disallow inconsistently-cased references to the same file. */,
		"resolveJsonModule": true
	},
	"include": [
		"src/**/*"
	],
	"exclude": [
		"node_modules"
	]
}