feat(lsp): send "deno/didChangeDenoConfiguration" on init (#21965)

2 files changed, 54 insertions, 4 deletions

diff --git a/cli/lsp/language_server.rs b/cli/lsp/language_server.rs
index a3c817526..921e34bcd 100644
--- a/cli/lsp/language_server.rs
+++ b/cli/lsp/language_server.rs
@@ -1629,7 +1629,10 @@ impl Inner {
           .iter()
           .filter(|e| files_to_check.contains(&e.uri))
           .map(|e| lsp_custom::DenoConfigurationChangeEvent {
-            file_event: e.clone(),
+            uri: e.uri.clone(),
+            typ: lsp_custom::DenoConfigurationChangeType::from_file_change_type(
+              e.typ,
+            ),
             configuration_type: lsp_custom::DenoConfigurationType::DenoJson,
           }),
       );
@@ -1660,7 +1663,10 @@ impl Inner {
           .iter()
           .filter(|e| files_to_check.contains(&e.uri))
           .map(|e| lsp_custom::DenoConfigurationChangeEvent {
-            file_event: e.clone(),
+            uri: e.uri.clone(),
+            typ: lsp_custom::DenoConfigurationChangeType::from_file_change_type(
+              e.typ,
+            ),
             configuration_type: lsp_custom::DenoConfigurationType::PackageJson,
           }),
       );
@@ -3303,6 +3309,30 @@ impl tower_lsp::LanguageServer for LanguageServer {
         );
         ls.maybe_testing_server = Some(test_server);
       }
+
+      let mut config_events = vec![];
+      if let Some(config_file) = ls.config.maybe_config_file() {
+        config_events.push(lsp_custom::DenoConfigurationChangeEvent {
+          uri: config_file.specifier.clone(),
+          typ: lsp_custom::DenoConfigurationChangeType::Added,
+          configuration_type: lsp_custom::DenoConfigurationType::DenoJson,
+        });
+      }
+      if let Some(package_json) = &ls.maybe_package_json {
+        config_events.push(lsp_custom::DenoConfigurationChangeEvent {
+          uri: package_json.specifier(),
+          typ: lsp_custom::DenoConfigurationChangeType::Added,
+          configuration_type: lsp_custom::DenoConfigurationType::PackageJson,
+        });
+      }
+      if !config_events.is_empty() {
+        ls.client.send_did_change_deno_configuration_notification(
+          lsp_custom::DidChangeDenoConfigurationNotificationParams {
+            changes: config_events,
+          },
+        );
+      }
+
       (ls.client.clone(), ls.http_client.clone())
     };
 
diff --git a/cli/lsp/lsp_custom.rs b/cli/lsp/lsp_custom.rs
index 7abe56125..63f50d39f 100644
--- a/cli/lsp/lsp_custom.rs
+++ b/cli/lsp/lsp_custom.rs
@@ -62,6 +62,25 @@ pub struct DiagnosticBatchNotificationParams {
 
 #[derive(Debug, Eq, Hash, PartialEq, Copy, Clone, Deserialize, Serialize)]
 #[serde(rename_all = "camelCase")]
+pub enum DenoConfigurationChangeType {
+  Added,
+  Changed,
+  Removed,
+}
+
+impl DenoConfigurationChangeType {
+  pub fn from_file_change_type(file_event: lsp::FileChangeType) -> Self {
+    match file_event {
+      lsp::FileChangeType::CREATED => Self::Added,
+      lsp::FileChangeType::CHANGED => Self::Changed,
+      lsp::FileChangeType::DELETED => Self::Removed,
+      _ => Self::Changed, // non-exhaustable enum
+    }
+  }
+}
+
+#[derive(Debug, Eq, Hash, PartialEq, Copy, Clone, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
 pub enum DenoConfigurationType {
   DenoJson,
   PackageJson,
@@ -70,8 +89,9 @@ pub enum DenoConfigurationType {
 #[derive(Debug, Eq, Hash, PartialEq, Clone, Deserialize, Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct DenoConfigurationChangeEvent {
-  #[serde(flatten)]
-  pub file_event: lsp::FileEvent,
+  pub uri: lsp::Url,
+  #[serde(rename = "type")]
+  pub typ: DenoConfigurationChangeType,
   pub configuration_type: DenoConfigurationType,
 }