chore: remove incorrectly named ToSnakeCase func

The function was supposed to convert to kebab-case, but named ToSnakeCase.
It was removed in favor of using the github.com/stoewer/go-strcase package's KebabCase.
This package was already suggested in the documentation anyway.

Author: tobikris

go.mod

@@ -3,6 +3,7 @@ module github.com/invopop/jsonschema
 go 1.18
 
 require (
+	github.com/stoewer/go-strcase v1.3.1
 	github.com/stretchr/testify v1.8.1
 	github.com/wk8/go-ordered-map/v2 v2.1.8
 )

go.sum

@@ -10,6 +10,8 @@ github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0
 github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stoewer/go-strcase v1.3.1 h1:iS0MdW+kVTxgMoE1LAZyMiYJFKlOzLooE4MxjirtkAs=
+github.com/stoewer/go-strcase v1.3.1/go.mod h1:fAH5hQ5pehh+j3nZfvwdk2RgEgQjAoM8wodgtPmh1xo=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=

reflect.go

@@ -15,6 +15,8 @@ import (
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/stoewer/go-strcase"
 )
 
 // customSchemaImpl is used to detect if the type provides it's own
@@ -205,7 +207,7 @@ func (r *Reflector) ReflectFromType(t reflect.Type) *Schema {
 			}
 		}
 		if baseSchemaID != EmptyID {
-			s.ID = baseSchemaID.Add(ToSnakeCase(name))
+			s.ID = baseSchemaID.Add(strcase.KebabCase(name))
 		}
 	}
 

utils.go

@@ -1,24 +1,9 @@
 package jsonschema
 
 import (
-	"regexp"
-	"strings"
-
 	orderedmap "github.com/wk8/go-ordered-map/v2"
 )
 
-var matchFirstCap = regexp.MustCompile("(.)([A-Z][a-z]+)")
-var matchAllCap = regexp.MustCompile("([a-z0-9])([A-Z])")
-
-// ToSnakeCase converts the provided string into snake case using dashes.
-// This is useful for Schema IDs and definitions to be coherent with
-// common JSON Schema examples.
-func ToSnakeCase(str string) string {
-	snake := matchFirstCap.ReplaceAllString(str, "${1}-${2}")
-	snake = matchAllCap.ReplaceAllString(snake, "${1}-${2}")
-	return strings.ToLower(snake)
-}
-
 // NewProperties is a helper method to instantiate a new properties ordered
 // map.
 func NewProperties() *orderedmap.OrderedMap[string, *Schema] {