✨ Add Make function

This is the important one

make.go

@@ -0,0 +1,15 @@
+package nomino
+
+import "fmt"
+
+// Make generates a random filename. The behavior can be controlled by specifying Options
+// In general, the final filename will be [prefix]_[generated_string]_[original_filename]_[suffix].[extension].
+// If the name generator returns an error (generally, it shouldn't), that will be returned instead.
+func Make(conf Config) (string, error) {
+	name, err := conf.generator()
+	if err != nil {
+		return "", err
+	}
+
+	return fmt.Sprintf("%s%s%s%s%s", conf.prefix, name, conf.original, conf.suffix, conf.original), nil
+}

make_test.go

@@ -0,0 +1,23 @@
+package nomino
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMake(t *testing.T) {
+	conf := NewConfig(WithGenerator(func() (string, error) { return "abc", nil }))
+	st, err := Make(conf)
+	assert.NoError(t, err)
+	assert.Equal(t, "abc", st)
+}
+
+func TestMakeErr(t *testing.T) {
+	retErr := errors.New("oops")
+	conf := NewConfig(WithGenerator(func() (string, error) { return "foobar", retErr }))
+	st, err := Make(conf)
+	assert.Zero(t, st)
+	assert.ErrorIs(t, err, retErr)
+}