Core/tsconfig.json

{
	"ts-node": {
		"compilerOptions": {
			"module": "ESNext",
			"types": ["node"]
		}
	},

	"compilerOptions": {
		"outDir": "./lib/",
		"incremental": true,
		"sourceMap": true,
		"noImplicitAny": true,
		"noImplicitThis": true,
		"esModuleInterop": true,
		"allowSyntheticDefaultImports": true,
		"resolveJsonModule": true,
		"experimentalDecorators": true,
		"emitDecoratorMetadata": true,
		"declaration": true,
		"declarationMap": true,
		"module": "ES6",
		"target": "ES6",
		"moduleResolution": "Bundler",
		"lib": ["ESNext", "DOM"]
	}
}