photoprism/pkg/react/emoji.go

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package react
// Emoji represents user feedback expressed by an emoji:
// https://www.unicode.org/Public/emoji/14.0/emoji-sequences.txt
type Emoji string
// Unknown checks if the reaction is unknown.
func (emo Emoji) Unknown() bool {
if l := len(emo); l < 2 || len(emo) > 64 {
return true
}
return Names[emo] == ""
}
// Name returns the ASCII name of the reaction.
func (emo Emoji) Name() string {
return Names[emo]
}
// String returns the reaction as string.
func (emo Emoji) String() string {
return string(emo)
}
// Bytes returns the reaction emoji as a slice with a maximum size of 64 bytes.
func (emo Emoji) Bytes() (b []byte) {
if b = []byte(emo); len(b) <= 64 {
return b
}
return b[0:64]
}