Add t.buildUndefinedNode (#15893)

liuxingbaoyu · nicolo-ribaudo · web-flow · commit c7e6806e2194 · 2023-09-25T12:46:35.000+09:00
* add

* JLHwung feedback

---------

Co-authored-by: Nicolò Ribaudo &lt;hello@nicr.dev&gt;
diff --git a/packages/babel-traverse/src/scope/index.ts b/packages/babel-traverse/src/scope/index.ts
@@ -40,7 +40,6 @@ import {
   memberExpression,
   numericLiteral,
   toIdentifier,
-  unaryExpression,
   variableDeclaration,
   variableDeclarator,
   isRecordExpression,
@@ -50,6 +49,7 @@ import {
   isMetaProperty,
   isPrivateName,
   isExportDeclaration,
+  buildUndefinedNode,
 } from "@babel/types";
 import * as t from "@babel/types";
 import { scope as scopeCache } from "../cache.ts";
@@ -783,7 +783,7 @@ export default class Scope {
   }
 
   buildUndefinedNode() {
-    return unaryExpression("void", numericLiteral(0), true);
+    return buildUndefinedNode();
   }
 
   registerConstantViolation(path: NodePath) {
diff --git a/packages/babel-types/src/builders/productions.ts b/packages/babel-types/src/builders/productions.ts
@@ -0,0 +1,5 @@
+import { numericLiteral, unaryExpression } from "./generated/index.ts";
+
+export function buildUndefinedNode() {
+  return unaryExpression("void", numericLiteral(0), true);
+}
diff --git a/packages/babel-types/src/index.ts b/packages/babel-types/src/index.ts
@@ -14,6 +14,7 @@ export { default as createFlowUnionType } from "./builders/flow/createFlowUnionT
 export { default as createTSUnionType } from "./builders/typescript/createTSUnionType.ts";
 export * from "./builders/generated/index.ts";
 export * from "./builders/generated/uppercase.js";
+export * from "./builders/productions.ts";
 
 // clone
 export { default as cloneNode } from "./clone/cloneNode.ts";
