You can name the things I left anonymous, wouldn't change the principles. The Typescript docs have more details and advantages for this specific scenario: http

You can name the things I left anonymous, wouldn't change the principles. The Typescript docs have more details and advantages for this specific scenario: https://www.typescriptlang.org/docs/handbook/advanced-types.html#discriminated-unions https://www.typescriptlang.org/docs/handbook/advanced-types....