tsconfig.json

{
	"compilerOptions": {
		"lib": ["esnext", "dom", "dom.iterable"],
		"target": "esnext",
		"module": "esnext",
		"moduleResolution": "bundler",

		"declaration": true,
		//"declarationMap": true,
		"isolatedModules": true,
		//"sourceMap": true,

		// https://www.typescriptlang.org/tsconfig/#Type_Checking_6248
		"allowUnreachableCode": false,
		"allowUnusedLabels": false,
		"alwaysStrict": true,
		"exactOptionalPropertyTypes": false, // makes ? less usable
		"noFallthroughCasesInSwitch": true,
		"noImplicitAny": true,
		"noImplicitOverride": true,
		"noImplicitReturns": true,
		"noImplicitThis": true,
		"noPropertyAccessFromIndexSignature": false, // Allows . notation
		"noUncheckedIndexedAccess": false, // Allows [0] access to arrays
		"noUnusedLocals": true,
		"noUnusedParameters": true,
		"strict": true,
		"strictBindCallApply": true,
		"strictBuiltinIteratorReturn": true,
		"strictFunctionTypes": true,
		"strictNullChecks": true,
		"strictPropertyInitialization": true,
		"useUnknownInCatchVariables": true,

		// Disable enums and weird Typescript features.
		"erasableSyntaxOnly": true,

		"skipLibCheck": true
	}
}