tsconfig.json

{
	"compilerOptions": {
		"target": "ES2015",
		"module": "commonjs",
		"outDir": "./dist",
		"incremental": true,
		"declaration": true,
		"removeComments": true,
		"esModuleInterop": true,
		"allowSyntheticDefaultImports": true,
		"sourceMap": false,
		"noErrorTruncation": true,
		"resolveJsonModule": true,

		/**
		 * strictest Typescript possible
		 */
		"strict": true,
		"forceConsistentCasingInFileNames": true,
		"noFallthroughCasesInSwitch": true,
		"noImplicitReturns": true,
		"noPropertyAccessFromIndexSignature": true,
		"noImplicitOverride": true,
		"exactOptionalPropertyTypes": true,
		"noUncheckedIndexedAccess": true,
		"allowUnusedLabels": false,
		"allowUnreachableCode": false,
		"noUnusedLocals": true,
		"noUnusedParameters": true,
		"strictPropertyInitialization": true
	}
}