selectContextualSource()

function selectContextualSource<T, TContext>(
  overrideSource,
  providerSource
): ContextualSource<T, TContext> | undefined;

Selects a component-level source over its provider-level default.

Only undefined inherits. Explicit null is a deliberate override and is preserved so callers can turn off a provider default for one operation.

Type Parameters

Type Parameter
T
TContext

Parameters

Parameter	Type
overrideSource	| ContextualSource<T, TContext> | undefined
providerSource	| ContextualSource<T, TContext> | undefined

Returns

| ContextualSource<T, TContext> | undefined