Function getOrCreateProperty

getOrCreateProperty<T extends object, K extends string | number | symbol>(
    object: T,
    name: K,
    factory: Transformation<K, T[K]>,
): T[K]
If the given object contains a property with the given name, returns its value, otherwise adds a new property with the result of calling the given factory function, and returns that.
Type Parameters
- T extends object
- K extends string | number | symbol
Parameters
- object: T
- name: K
- factory: Transformation<K, T[K]>
Returns T[K]
- Defined in src/object.ts:43