Function propertyToRef

packages/reactivity/src/ref.ts:519–525

(
  source: Record<PropertyKey, any>,
  key: string | number | symbol,
  defaultValue?: unknown,
)

}

function propertyToRef(
  source: Record<PropertyKey, any>,
  key: string | number | symbol,
  defaultValue?: unknown,
) {
  return new ObjectRefImpl(source, key, defaultValue) as any
}

/**
 * This is a special exported interface for other packages to declare