Remove dependency on strcase

go.mod

@@ -1,5 +1,3 @@
 module go.fifitido.net/cmd
 
 go 1.21.3
-
-require github.com/iancoleman/strcase v0.3.0

go.sum

@@ -1,2 +0,0 @@
-github.com/iancoleman/strcase v0.3.0 h1:nTXanmYxhfFAMjZL34Ov6gkzEsSJZ5DbhxWjvSASxEI=
-github.com/iancoleman/strcase v0.3.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=

tpl_funcs.go

@@ -2,10 +2,9 @@ package cmd
 
 import (
 	"fmt"
+	"regexp"
 	"strings"
 	"text/template"
-
-	"github.com/iancoleman/strcase"
 )
 
 var tplFuncs = template.FuncMap{
@@ -22,7 +21,6 @@ var tplFuncs = template.FuncMap{
 	"sub":       tplSub,
 	"dec":       tplDec,
 	"mult":      tplMult,
-	"pascal":    tplPascal,
 	"camel":     tplCamel,
 }
 
@@ -51,7 +49,19 @@ func tplJoin(strs []string, sep string) string {
 }
 
 func tplUnder(s string) string {
-	return strcase.ToSnake(s)
+	// Remove all characters that are not alphanumeric or spaces or underscores
+	s = regexp.MustCompile("[^a-zA-Z0-9_ -]+").ReplaceAllString(s, "")
+
+	// Replace all spaces with underscores
+	s = strings.ReplaceAll(s, " ", "_")
+
+	// Replace all dashes with underscores
+	s = strings.ReplaceAll(s, "-", "_")
+
+	// Convert to lowercase
+	s = strings.ToLower(s)
+
+	return s
 }
 
 func tplVarPrefix(s string) string {
@@ -90,10 +100,24 @@ func tplMult(a, b int) int {
 	return a * b
 }
 
-func tplPascal(s string) string {
-	return strcase.ToCamel(s)
-}
-
 func tplCamel(s string) string {
-	return strcase.ToLowerCamel(s)
+	// Remove all characters that are not alphanumeric or spaces or underscores
+	s = regexp.MustCompile("[^a-zA-Z0-9_ -]+").ReplaceAllString(s, "")
+
+	// Replace all underscores with spaces
+	s = strings.ReplaceAll(s, "_", " ")
+
+	// Replace all dashes with spaces
+	s = strings.ReplaceAll(s, "-", " ")
+
+	// Title case s
+	words := strings.Split(s, " ")
+	for i, word := range words {
+		words[i] = strings.ToTitle(word)
+	}
+
+	// Join words
+	s = strings.Join(words, "")
+
+	return s
 }