fix(ui): prevent panic on unwrap when selected torrent is None

frontend/src/components/hooks/use_random.rs

@@ -1,5 +1,31 @@
-use leptos::prelude::*;
+use std::collections::hash_map::DefaultHasher;
+use std::hash::{Hash, Hasher};
+use std::sync::atomic::{AtomicUsize, Ordering};
 
-pub fn use_random_id_for(prefix: &str) -> String {
-    format!("{}_{}", prefix, js_sys::Math::random().to_string().replace(".", ""))
+const PREFIX: &str = "rust_ui"; // Must NOT contain "/" or "-"
+
+pub fn use_random_id() -> String {
+    format!("_{PREFIX}_{}", generate_hash())
 }
+
+pub fn use_random_id_for(element: &str) -> String {
+    format!("{}_{PREFIX}_{}", element, generate_hash())
+}
+
+pub fn use_random_transition_name() -> String {
+    let random_id = use_random_id();
+    format!("view-transition-name: {random_id}")
+}
+
+/* ========================================================== */
+/*                     ✨ FUNCTIONS ✨                        */
+/* ========================================================== */
+
+static COUNTER: AtomicUsize = AtomicUsize::new(1);
+
+fn generate_hash() -> u64 {
+    let mut hasher = DefaultHasher::new();
+    let counter = COUNTER.fetch_add(1, Ordering::SeqCst);
+    counter.hash(&mut hasher);
+    hasher.finish()
+}