Disallow duplicated AST nodes (#11807)

2020-07-14 09:32:16 -04:00
parent ffb42488ba
commit 5dd64ecc4a
24 changed files with 85 additions and 62 deletions
--- a/packages/babel-plugin-proposal-function-bind/src/index.js
+++ b/packages/babel-plugin-proposal-function-bind/src/index.js
@@ -7,7 +7,7 @@ export default declare(api => {

  function getTempId(scope) {
    let id = scope.path.getData("functionBind");
-    if (id) return id;
+    if (id) return t.cloneNode(id);

    id = scope.generateDeclaredUidIdentifier("context");
    return scope.path.setData("functionBind", id);
@@ -35,7 +35,7 @@ export default declare(api => {
        bind.callee.object,
      );
    }
-    return tempId;
+    return t.cloneNode(tempId);
  }

  return {