fix(lsp): ignore editor indent settings if deno.json is present (#26912)

2 files changed, 5 insertions, 3 deletions

diff --git a/cli/lsp/language_server.rs b/cli/lsp/language_server.rs
index c93628555..2ce26c1f2 100644
--- a/cli/lsp/language_server.rs
+++ b/cli/lsp/language_server.rs
@@ -1396,9 +1396,11 @@ impl Inner {
         .fmt_config_for_specifier(&specifier)
         .options
         .clone();
-      fmt_options.use_tabs = Some(!params.options.insert_spaces);
-      fmt_options.indent_width = Some(params.options.tab_size as u8);
       let config_data = self.config.tree.data_for_specifier(&specifier);
+      if !config_data.is_some_and(|d| d.maybe_deno_json().is_some()) {
+        fmt_options.use_tabs = Some(!params.options.insert_spaces);
+        fmt_options.indent_width = Some(params.options.tab_size as u8);
+      }
       let unstable_options = UnstableFmtOptions {
         component: config_data
           .map(|d| d.unstable.contains("fmt-component"))
diff --git a/tests/integration/lsp_tests.rs b/tests/integration/lsp_tests.rs
index a5b0ee247..8eaccb548 100644
--- a/tests/integration/lsp_tests.rs
+++ b/tests/integration/lsp_tests.rs
@@ -11680,7 +11680,7 @@ fn lsp_format_with_config() {
       },
       "options": {
         "tabSize": 2,
-        "insertSpaces": false
+        "insertSpaces": true,
       }
     }),
   );