feat: first version.

entgo/mixin/uuid_id.go

@@ -0,0 +1,31 @@
+package mixin
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+	"entgo.io/ent/schema/mixin"
+	"github.com/google/uuid"
+)
+
+var _ ent.Mixin = (*UuidId)(nil)
+
+type UuidId struct{ mixin.Schema }
+
+func (UuidId) Fields() []ent.Field {
+	return []ent.Field{
+		field.UUID("id", uuid.UUID{}).
+			Comment("id").
+			Default(uuid.New).
+			Unique().
+			Immutable().
+			StructTag(`json:"id,omitempty"`),
+	}
+}
+
+// Indexes of the UuidId.
+func (UuidId) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("id"),
+	}
+}