fix(isolated-declarations): should emit export {} when only having …

…`ImportDeclaration` (#4026) close: #4023
oxc-project · Jul 2, 2024 · 02ea19a · 02ea19a
1 parent 7c915f4
commit 02ea19a
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Showing 3 changed files with 9 additions and 1 deletion.
diff --git a/crates/oxc_isolated_declarations/src/lib.rs b/crates/oxc_isolated_declarations/src/lib.rs
@@ -317,7 +317,7 @@ impl<'a> IsolatedDeclarations<'a> {
             }
         }
 
-        if last_transformed_len == transformed_indexes.len() {
+        if !transformed_indexes.is_empty() && last_transformed_len == transformed_indexes.len() {
             need_empty_export_marker = false;
         }
 

diff --git a/crates/oxc_isolated_declarations/tests/fixtures/empty-export2.ts b/crates/oxc_isolated_declarations/tests/fixtures/empty-export2.ts
@@ -0,0 +1 @@
+import * as a from "mod";
diff --git a/crates/oxc_isolated_declarations/tests/snapshots/empty-export2.snap b/crates/oxc_isolated_declarations/tests/snapshots/empty-export2.snap
@@ -0,0 +1,7 @@
+---
+source: crates/oxc_isolated_declarations/tests/mod.rs
+input_file: crates/oxc_isolated_declarations/tests/fixtures/empty-export2.ts
+---
+==================== .D.TS ====================
+
+export {};