Handle edge case in toKebabCase.

Author: adamghill

django_unicorn/static/js/utils.js

@@ -90,10 +90,15 @@ export function toKebabCase(str) {
     return "";
   }
 
-  return str
-    .match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g)
-    .map((x) => x.toLowerCase())
-    .join("-");
+  const match = str.match(
+    /[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g
+  );
+
+  if (!match) {
+    return str;
+  }
+
+  return match.map((x) => x.toLowerCase()).join("-");
 }
 
 /**

tests/js/utils/toKebabCase.test.js

@@ -16,3 +16,7 @@ test("Null to empty string", (t) => {
 test("Empty string to empty string", (t) => {
   t.is(toKebabCase(""), "");
 });
+
+test("One space string to empty string", (t) => {
+  t.is(toKebabCase(" "), " ");
+});