Add helper.ts

Author: averyjennings

helper.ts

@@ -0,0 +1,31 @@
+export function formatString(input: string): string {
+  return input.trim().toLowerCase().replace(/\s+/g, '-');
+}
+
+export function calculateSum(numbers: number[]): number {
+  return numbers.reduce((acc, num) => acc + num, 0);
+}
+
+export function isValidEmail(email: string): boolean {
+  const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+  return emailRegex.test(email);
+}
+
+export function debounce<T extends (...args: any[]) => any>(
+  func: T,
+  delay: number
+): (...args: Parameters<T>) => void {
+  let timeoutId: NodeJS.Timeout;
+  return (...args: Parameters<T>) => {
+    clearTimeout(timeoutId);
+    timeoutId = setTimeout(() => func(...args), delay);
+  };
+}
+
+export function chunk<T>(array: T[], size: number): T[][] {
+  const chunks: T[][] = [];
+  for (let i = 0; i < array.length; i += size) {
+    chunks.push(array.slice(i, i + size));
+  }
+  return chunks;
+}