provide compatibility with legacy ESTree AST

babel · Jun 7, 2023 · b0f9302 · b0f9302
1 parent 7f3c847
commit b0f9302
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diff --git a/packages/babel-parser/src/plugins/estree.ts b/packages/babel-parser/src/plugins/estree.ts
@@ -426,6 +426,9 @@ export default (superClass: typeof Parser) =>
         ) {
           (node as N.Node as N.EstreeImportExpression).options =
             node.arguments[1] ?? null;
+          // compatibility with previous ESTree AST
+          (node as N.Node as N.EstreeImportExpression).attributes =
+            node.arguments[1] ?? null;
         }
         // arguments isn't optional in the type definition
         delete node.arguments;

diff --git a/packages/babel-parser/src/types.d.ts b/packages/babel-parser/src/types.d.ts
@@ -1220,6 +1220,10 @@ export interface EstreeImportExpression extends NodeBase {
   type: "ImportExpression";
   source: Expression;
   options?: Expression | null;
+  /**
+   * @deprecated Use options instead
+   */
+  attributes?: Expression | null;
 }
 
 export interface EstreePrivateIdentifier extends NodeBase {