tsconfig.json

{
	"compilerOptions": {
		"strict": true,
		"esModuleInterop": true,
		"moduleResolution": "node",

		"noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
		"strictNullChecks": true /* Enable strict null checks. */,
		"noImplicitThis": true /* Raise error on 'this' expressions with an implied 'any' type. */,
		"alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */,
		// "strictPropertyInitialization": false,
		/* Additional Checks */
		"noUnusedLocals": true /* Report errors on unused locals. */,
		"noUnusedParameters": true /* Report errors on unused parameters. */,
		"noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
		"noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */
	},
	"references": [
		{ "path": "client/tsconfig.json" },
		{ "path": "server/tsconfig.json" }
	]
}