feat(unstable/lsp): support navigating to deno_modules folder (#20030)

Closes #20015
Closes https://github.com/denoland/vscode_deno/issues/850 (only for
deno_modules, but I don't think this will be possible for the global
cache)

1 files changed, 12 insertions, 9 deletions

diff --git a/cli/lsp/language_server.rs b/cli/lsp/language_server.rs
index 4c3ee1013..06fefcaeb 100644
--- a/cli/lsp/language_server.rs
+++ b/cli/lsp/language_server.rs
@@ -88,7 +88,7 @@ use crate::cache::DenoDir;
 use crate::cache::FastInsecureHasher;
 use crate::cache::GlobalHttpCache;
 use crate::cache::HttpCache;
-use crate::cache::LocalHttpCache;
+use crate::cache::LocalLspHttpCache;
 use crate::factory::CliFactory;
 use crate::file_fetcher::FileFetcher;
 use crate::graph_util;
@@ -204,7 +204,7 @@ pub struct Inner {
   /// An abstraction that handles interactions with TypeScript.
   pub ts_server: Arc<TsServer>,
   /// A map of specifiers and URLs used to translate over the LSP.
-  pub url_map: Arc<urls::LspUrlMap>,
+  pub url_map: urls::LspUrlMap,
 }
 
 impl LanguageServer {
@@ -905,16 +905,18 @@ impl Inner {
     self.module_registries_location = module_registries_location;
     // update the cache path
     let global_cache = Arc::new(GlobalHttpCache::new(dir.deps_folder_path()));
-    let cache: Arc<dyn HttpCache> =
-      match self.config.maybe_deno_modules_dir_path() {
-        Some(local_path) => {
-          Arc::new(LocalHttpCache::new(local_path, global_cache))
-        }
-        None => global_cache,
-      };
+    let maybe_local_cache =
+      self.config.maybe_deno_modules_dir_path().map(|local_path| {
+        Arc::new(LocalLspHttpCache::new(local_path, global_cache.clone()))
+      });
+    let cache: Arc<dyn HttpCache> = maybe_local_cache
+      .clone()
+      .map(|c| c as Arc<dyn HttpCache>)
+      .unwrap_or(global_cache);
     self.deps_http_cache = cache.clone();
     self.documents.set_cache(cache.clone());
     self.cache_metadata.set_cache(cache);
+    self.url_map.set_cache(maybe_local_cache);
     self.maybe_global_cache_path = new_cache_path;
     Ok(())
   }
@@ -2946,6 +2948,7 @@ impl Inner {
       snapshot: self.snapshot(),
       config: self.config.snapshot(),
       lint_options: self.lint_options.clone(),
+      url_map: self.url_map.clone(),
     };
     if let Err(err) = self.diagnostics_server.update(snapshot) {
       error!("Cannot update diagnostics: {}", err);