feat(ConfigProvider): add icon-prefix prop (#8986)

src/utils/format/string.ts

@@ -4,6 +4,13 @@ export function camelize(str: string): string {
   return str.replace(camelizeRE, (_, c) => c.toUpperCase());
 }
 
+export function kebabCase(str: string) {
+  return str
+    .replace(/([A-Z])/g, '-$1')
+    .toLowerCase()
+    .replace(/^-/, '');
+}
+
 export function padZero(num: number | string, targetLength = 2): string {
   let str = num + '';