Typescript Generic: Convert snake_case to CamelCase

SnakeToCamel.ts

interface SnakeCasedType {
  property_a: string;
  property_b: string;
}

type SnakeToCamelCase<S extends string> = 
  S extends `${infer T}_${infer U}`
  ? `${Lowercase<T>}${Capitalize<SnakeToCamelCase<U>>}`
  : S
  
 type SnakeToCamelCaseNested<T> = T extends object ? {
  [K in keyof T as SnakeToCamelCase<K & string>]: SnakeToCamelCaseNested<T[K]>
 } : T 
  
type CamelCased = SnakeToCamelCaseNested<SnakeCasedType>;