From 752fc2bf1f2c47e5cac04db26807fe0fed31cabf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Thu, 29 Apr 2021 20:58:51 -0400
Subject: [PATCH] nit: ensure end is assigned after start

---
 .../attachComment-false.bench.mjs                          | 2 +-
 packages/babel-parser/src/parser/node.js                   | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/benchmark/babel-parser/many-leading-trailing-comments/attachComment-false.bench.mjs b/benchmark/babel-parser/many-leading-trailing-comments/attachComment-false.bench.mjs
index f0f6eeaeb0a2..3866f375362f 100644
--- a/benchmark/babel-parser/many-leading-trailing-comments/attachComment-false.bench.mjs
+++ b/benchmark/babel-parser/many-leading-trailing-comments/attachComment-false.bench.mjs
@@ -1,5 +1,5 @@
 import Benchmark from "benchmark";
-import baseline from "../../lib/index-v1.js";
+import baseline from "@babel-baseline/parser";
 import current from "../../lib/index.js";
 import { report } from "../util.mjs";
 
diff --git a/packages/babel-parser/src/parser/node.js b/packages/babel-parser/src/parser/node.js
index b3069ea9f7dd..1d8a08b90a0d 100644
--- a/packages/babel-parser/src/parser/node.js
+++ b/packages/babel-parser/src/parser/node.js
@@ -10,6 +10,7 @@ import type { Comment, Node as NodeType, NodeBase } from "../types";
 class Node implements NodeBase {
   constructor(parser: Parser, pos: number, loc: Position) {
     this.start = pos;
+    this.end = 0;
     this.loc = new SourceLocation(loc);
     if (parser?.options.ranges) this.range = [pos, 0];
     if (parser?.filename) this.loc.filename = parser.filename;
@@ -17,13 +18,13 @@ class Node implements NodeBase {
 
   type: string = "";
   declare start: number;
-  end: number = 0;
-  loc: SourceLocation;
+  declare end: number;
+  declare loc: SourceLocation;
   declare range: [number, number];
   declare leadingComments: Array<Comment>;
   declare trailingComments: Array<Comment>;
   declare innerComments: Array<Comment>;
-  extra: { [key: string]: any };
+  declare extra: { [key: string]: any };
 }
 const NodePrototype = Node.prototype;