fix: remove ExportNamedDeclaration when the specifier is empty (#10638)

babel · Nov 4, 2019 · 5e24016 · 5e24016
1 parent d023e10
commit 5e24016
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diff --git a/packages/babel-plugin-transform-modules-systemjs/src/index.js b/packages/babel-plugin-transform-modules-systemjs/src/index.js
@@ -413,6 +413,8 @@ export default declare((api, options) => {
 
                     path.replaceWithMultiple(nodes);
                   }
+                } else {
+                  path.remove();
                 }
               }
             }

diff --git a/...s/babel-plugin-transform-modules-systemjs/test/fixtures/systemjs/export-named-8/input.mjs b/...s/babel-plugin-transform-modules-systemjs/test/fixtures/systemjs/export-named-8/input.mjs
@@ -0,0 +1 @@
+export {}
diff --git a/.../babel-plugin-transform-modules-systemjs/test/fixtures/systemjs/export-named-8/output.mjs b/.../babel-plugin-transform-modules-systemjs/test/fixtures/systemjs/export-named-8/output.mjs
@@ -0,0 +1,8 @@
+System.register([], function (_export, _context) {
+  "use strict";
+
+  return {
+    setters: [],
+    execute: function () {}
+  };
+});