You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: find.go
    path of file: ./repos/photoprism/pkg/react
    
    the code of the file until where you have to start completion: package react

// Find finds a reaction by name and emoji.
func Find(reaction string) Emoji {
	if reaction == "" {
		return Unknown
	}

	if found := Reactions[reaction]; found != "" {
		return f
    
func Find(reaction string) Emoji {
	if reaction == "" {
		return Unknown
	}

	if found := Reactions[reaction]; found != "" {
		return found
	} else if found = Emoji(reaction); found.Unknown() {
		return Unknown
	} else {
		return found
	}
}