chore(utils): ts-migration of utils/slugs (#44921)

* chore: utils is added in the tsconfig

* test(util): test and test function is updated to typescript

* chore: add tsconfig for utils

* fix: exclude files importing from client/

* fix: refactor to just export functions

* chore: add emitted files to prettierignore

* fix: add new tsconfig to eslint project

Co-authored-by: Shaun Hamilton <shauhami020@gmail.com>
Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

utils/slugs.ts

@@ -0,0 +1,24 @@
+function dasherize(name: string): string {
+  return ('' + name)
+    .toLowerCase()
+    .trim()
+    .replace(/\s|\./g, '-')
+    .replace(/[^a-z\d\-.]/g, '');
+}
+
+function nameify(str: string): string {
+  return ('' + str).replace(/[^a-z\d\s]/gi, '');
+}
+
+function unDasherize(name: string): string {
+  return (
+    ('' + name)
+      // replace dash with space
+      .replace(/-/g, ' ')
+      // strip nonalphanumarics chars except whitespace
+      .replace(/[^a-z\d\s]/gi, '')
+      .trim()
+  );
+}
+
+export { dasherize, nameify, unDasherize };