1 files changed, 23 insertions, 5 deletions

diff --git a/cli/lsp/documents.rs b/cli/lsp/documents.rs
index 208492800..bff56a6b8 100644
--- a/cli/lsp/documents.rs
+++ b/cli/lsp/documents.rs
@@ -896,6 +896,7 @@ pub struct Documents {
   redirect_resolver: Arc<RedirectResolver>,
   /// If --unstable-sloppy-imports is enabled.
   unstable_sloppy_imports: bool,
+  project_version: usize,
 }
 
 impl Documents {
@@ -924,6 +925,7 @@ impl Documents {
       has_injected_types_node_package: false,
       redirect_resolver: Arc::new(RedirectResolver::new(cache)),
       unstable_sloppy_imports: false,
+      project_version: 0,
     }
   }
 
@@ -935,6 +937,14 @@ impl Documents {
       .flat_map(|value| value.get_type().or_else(|| value.get_code()))
   }
 
+  pub fn project_version(&self) -> String {
+    self.project_version.to_string()
+  }
+
+  pub fn increment_project_version(&mut self) {
+    self.project_version += 1;
+  }
+
   /// "Open" a document from the perspective of the editor, meaning that
   /// requests for information from the document will come from the in-memory
   /// representation received from the language server client, versus reading
@@ -957,10 +967,13 @@ impl Documents {
       resolver,
       npm_resolver,
     );
-    let mut file_system_docs = self.file_system_docs.lock();
-    file_system_docs.docs.remove(&specifier);
-    file_system_docs.dirty = true;
+    {
+      let mut file_system_docs = self.file_system_docs.lock();
+      file_system_docs.docs.remove(&specifier);
+      file_system_docs.dirty = true;
+    }
     self.open_docs.insert(specifier, document.clone());
+    self.increment_project_version();
     self.dirty = true;
     document
   }
@@ -995,6 +1008,7 @@ impl Documents {
       self.get_npm_resolver(),
     )?;
     self.open_docs.insert(doc.specifier().clone(), doc.clone());
+    self.increment_project_version();
     Ok(doc)
   }
 
@@ -1016,8 +1030,11 @@ impl Documents {
   /// information about the document is required.
   pub fn close(&mut self, specifier: &ModuleSpecifier) -> Result<(), AnyError> {
     if let Some(document) = self.open_docs.remove(specifier) {
-      let mut file_system_docs = self.file_system_docs.lock();
-      file_system_docs.docs.insert(specifier.clone(), document);
+      {
+        let mut file_system_docs = self.file_system_docs.lock();
+        file_system_docs.docs.insert(specifier.clone(), document);
+      }
+      self.increment_project_version();
       self.dirty = true;
     }
     Ok(())
@@ -1422,6 +1439,7 @@ impl Documents {
       );
       self.resolver_config_hash = new_resolver_config_hash;
 
+      self.increment_project_version();
       self.dirty = true;
       self.calculate_dependents_if_dirty();
     }