address review comments

babel · Mar 26, 2021 · 63bac69 · 63bac69
1 parent dd438d0
commit 63bac69
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/packages/babel-parser/src/plugin-utils.js b/packages/babel-parser/src/plugin-utils.js
@@ -122,9 +122,12 @@ export function validatePlugins(plugins: PluginList) {
     hasPlugin(plugins, "asyncDoExpressions") &&
     !hasPlugin(plugins, "doExpressions")
   ) {
-    throw new Error(
+    const error = new Error(
       "'asyncDoExpressions' requires 'doExpressions', please add 'doExpressions' to parser plugins.",
     );
+    // $FlowIgnore
+    error.missingPlugins = "doExpressions"; // so @babel/core can provide better error message
+    throw error;
   }
 }
 

diff --git a/...s/babel-plugin-proposal-do-expressions/test/fixtures/async-do-expressions/basic/output.js b/...s/babel-plugin-proposal-do-expressions/test/fixtures/async-do-expressions/basic/output.js
@@ -1 +1 @@
-(async do {});
+async do {};