✨ Add MultiGeneratorRandomOrder

generators.go

@@ -1,6 +1,9 @@
 package nomino
 
-import "errors"
+import (
+	"errors"
+	"math/rand"
+)
 
 // Generator is a function that returns the "random" portion of the returned filename.
 // Technically, it doesn't necessarily need to be random, and could be based on time, or a counter,
@@ -45,3 +48,20 @@ func MultiGeneratorInOrder(gens ...Generator) Generator {
 		return st, err
 	}
 }
+
+// MultiGeneratorRandomOrder allows the use of multiple generators. Each new invokation will use one of the generators randomly.
+// If none are passed, the generator will always return ErrMissingGenerators.
+func MultiGeneratorRandomOrder(gens ...Generator) Generator {
+	if len(gens) == 0 {
+		return missingGen
+	}
+
+	if len(gens) == 1 {
+		return gens[0]
+	}
+
+	return func(c *Config) (string, error) {
+		idx := rand.Int() % len(gens)
+		return gens[idx](c)
+	}
+}