tsconfig.json

{
	"compilerOptions": {
		// base
		"strict": false /* Enable all strict type-checking options. */,
		"strictFunctionTypes": true /* Enable strict checking of function types. */,
		"strictBindCallApply": true /* Enable strict 'bind', 'call', and 'apply' methods on functions. */,
		"alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */,

		/* Additional Checks */
		"noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,
		"forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */,
		// options
		"module": "commonjs",
		"target": "es6",
		"declaration": true,
		"noLib": false,
		"allowSyntheticDefaultImports": true,
		"emitDecoratorMetadata": true,
		"experimentalDecorators": true,
		"sourceMap": true,
		"esModuleInterop": true,
		"moduleResolution": "node",
		"resolveJsonModule": true,
		"isolatedModules": true,
		"noImplicitAny": false,
		"noUnusedLocals": false,
		"noUnusedParameters": true,
		"pretty": true,
		"removeComments": true,
		"skipLibCheck": true,
		"strictPropertyInitialization": false,
		"noImplicitReturns": false,
		"noImplicitThis": false,
		"lib": [
			"es2015",
			"es2017",
			"esnext.asynciterable",
			"dom",
			"dom.iterable",
			"esnext"
		]
	}
}