✨ Config.AddOptions and Generator.MakeWithConfig

config.go

@@ -21,3 +21,11 @@ func NewConfig(options ...Option) Config {
 	}
 	return conf
 }
+
+// AddOptions creates a new Config with options added.
+func (c Config) AddOptions(options ...Option) Config {
+	for _, opt := range options {
+		opt(&c)
+	}
+	return c
+}

config_test.go

@@ -20,3 +20,12 @@ func TestNewConfWithOpts(t *testing.T) {
 	assert.Equal(t, "", c.extension)
 	assert.Equal(t, "foobar", c.prefix)
 }
+
+func TestConfAddOpts(t *testing.T) {
+	c := Config{original: "hi"}
+	c2 := c.AddOptions(WithOriginalSlug("Hello, my dear"), WithPrefix("yo"))
+	assert.Equal(t, "", c.prefix)
+	assert.Equal(t, "hi", c.original)
+	assert.Equal(t, "hello-my-dear", c2.original)
+	assert.Equal(t, "yo", c2.prefix)
+}

generators.go

@@ -10,10 +10,15 @@ import (
 // for example.
 type Generator func(conf *Config) (string, error)
 
-// Make allows you to generate a new string directly from a generator.
+// Make allows you to generate a new string directly from a Generator.
 func (g Generator) Make(opts ...Option) (string, error) {
-	opts = append(opts, WithGenerator(g))
-	return Make(NewConfig(opts...))
+	return g.MakeWithConfig(NewConfig(opts...))
+}
+
+// MakeWithConfig allows you to generate a new string directly from a Generator
+// with a pre-existing Config.
+func (g Generator) MakeWithConfig(c Config) (string, error) {
+	return Make(c.AddOptions(WithGenerator(g)))
 }
 
 // WithGenerator sets the specified generator