fix(lsp): handle invalid config setting better (#11104)

Fixes #11100 
Fixes #10808 

1 files changed, 24 insertions, 0 deletions

diff --git a/cli/tests/integration_tests_lsp.rs b/cli/tests/integration_tests_lsp.rs
index 04c66625c..c33f6721f 100644
--- a/cli/tests/integration_tests_lsp.rs
+++ b/cli/tests/integration_tests_lsp.rs
@@ -172,6 +172,30 @@ fn lsp_tsconfig_types() {
 }
 
 #[test]
+fn lsp_tsconfig_bad_config_path() {
+  let mut client = init("initialize_params_bad_config_option.json");
+  let (method, maybe_params) = client.read_notification().unwrap();
+  assert_eq!(method, "window/showMessage");
+  assert_eq!(maybe_params, Some(lsp::ShowMessageParams {
+    typ: lsp::MessageType::Warning,
+    message: "The path to the configuration file (\"bad_tsconfig.json\") is not resolvable.".to_string()
+  }));
+  let diagnostics = did_open(
+    &mut client,
+    json!({
+      "textDocument": {
+        "uri": "file:///a/file.ts",
+        "languageId": "typescript",
+        "version": 1,
+        "text": "console.log(Deno.args);\n"
+      }
+    }),
+  );
+  let diagnostics = diagnostics.into_iter().flat_map(|x| x.diagnostics);
+  assert_eq!(diagnostics.count(), 0);
+}
+
+#[test]
 fn lsp_triple_slash_types() {
   let mut params: lsp::InitializeParams =
     serde_json::from_value(load_fixture("initialize_params.json")).unwrap();