fix: don't panic when cache is not available (denoland#24175)

Fixes denoland#22144

ext/cache/lib.rs

@@ -6,6 +6,7 @@ use std::rc::Rc;
 use std::sync::Arc;
 
 use async_trait::async_trait;
+use deno_core::error::type_error;
 use deno_core::error::AnyError;
 use deno_core::op2;
 use deno_core::serde::Deserialize;
@@ -205,11 +206,12 @@ where
  let mut state = state.borrow_mut();
  if let Some(cache) = state.try_borrow::<CA>() {
  Ok(cache.clone())
- } else {
- let create_cache = state.borrow::<CreateCache<CA>>().clone();
+ } else if let Some(create_cache) = state.try_borrow::<CreateCache<CA>>() {
  let cache = create_cache.0();
  state.put(cache);
  Ok(state.borrow::<CA>().clone())
+ } else {
+ Err(type_error("CacheStorage is not available in this context."))
  }
 }