added prototype

webseite-gulp-ts/frontend/dev/scripts/utils/helpers.ts

@@ -0,0 +1,21 @@
+// Generische Helferfunktion zum Selektieren von Element mit Überprüfung, ob das Element existiert
+export const querySelectorTyped = <T extends HTMLElement>(
+  selector: string,
+  parent: Element | Document = document,
+): T => {
+  const element = parent.querySelector<T>(selector);
+  if (!element) {
+    throw new Error(`Element with selector "${selector}" not found.`);
+  }
+  return element;
+};
+
+// Helferfunktion aus jQuery (youmightnotjquery)
+export const parents = (el: HTMLElement, selector?: string): HTMLElement[] => {
+  const parents: HTMLElement[] = [];
+  let currentEl: HTMLElement | null = el;
+  while ((currentEl = currentEl.parentElement) && currentEl !== null && currentEl !== document.documentElement) {
+    if (!selector || currentEl.matches(selector)) parents.push(currentEl as HTMLElement);
+  }
+  return parents;
+};