This article seems relevant, https://www.typescriptlang.org/docs/handbook/advanced-types.html#discriminated-unions https://www.typescriptlang.org/docs/handbook/

This article seems relevant, https://www.typescriptlang.org/docs/handbook/advanced-types.html#discriminated-unions https://www.typescriptlang.org/docs/handbook/advanced-types.... . Particularly the part on discriminated unions. I'm just now learning TypeScript, so I have yet to actually implement anything this way.