feature: move all shadcn related code to src/shared/shadcn

src/shared/shadcn/utils/shadcn-utils.ts

@@ -0,0 +1,37 @@
+import { type ClassValue, clsx } from 'clsx';
+import { twMerge } from 'tailwind-merge';
+
+/**
+ * Utility function to merge Tailwind CSS classes
+ * Combines clsx for conditional classes and tailwind-merge to handle conflicts
+ */
+export function cn(...inputs: ClassValue[]) {
+    return twMerge(clsx(inputs));
+}
+
+/**
+ * Type utility to add a ref property to HTML element attributes
+ * Used in shadcn-svelte components to support element references
+ * @template T - The attributes type (e.g., HTMLAttributes<HTMLDivElement>)
+ * @template E - The element type (e.g., HTMLDivElement)
+ */
+export type WithElementRef<T, E extends HTMLElement = HTMLElement> = T & {
+    /**
+     * Reference to the DOM element
+     */
+    ref?: E | null;
+};
+
+/**
+ * Type utility to remove 'children' and 'child' properties from a type
+ * Used in shadcn-svelte components that use Snippets instead of children
+ * @template T - The type to remove children from
+ */
+export type WithoutChildren<T> = Omit<T, 'children'>;
+
+/**
+ * Type utility to remove 'children' and 'child' properties from a type
+ * Used in shadcn-svelte components that use Snippets instead of children
+ * @template T - The type to remove children and child from
+ */
+export type WithoutChildrenOrChild<T> = Omit<T, 'children' | 'child'>;