Function createContext

createContext<T>(): Context<T | undefined>
Creates a new context with no default value, thus making its default value undefined.
Type Parameters
- T
Returns Context<T | undefined>
Typeparam
T Context value type.
createContext<T>(defaultValue): Context<T>
Creates a new context with a default value.
Type Parameters
- T
Parameters
- defaultValue: T
Returns Context<T>
Typeparam
T Context value type.