From 6484fa6d7b5c7c77c76753130aad2d501944e6c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Ribaudo?= <hello@nicr.dev>
Date: Wed, 4 Sep 2024 16:43:14 +0200
Subject: [PATCH] Remove unnecessary BigInt conditional usage

---
 packages/babel-parser/src/plugins/estree.ts | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/packages/babel-parser/src/plugins/estree.ts b/packages/babel-parser/src/plugins/estree.ts
index abef73bfc2c5..fb46a8500d71 100644
--- a/packages/babel-parser/src/plugins/estree.ts
+++ b/packages/babel-parser/src/plugins/estree.ts
@@ -53,13 +53,18 @@ export default (superClass: typeof Parser) =>
     // @ts-expect-error ESTree plugin changes node types
     parseBigIntLiteral(value: any): N.Node {
       // https://github.com/estree/estree/blob/master/es2020.md#bigintliteral
-      let bigInt: bigint | null;
-      try {
-        bigInt = BigInt(value);
-      } catch {
-        bigInt = null;
+      if (!process.env.BABEL_8_BREAKING) {
+        // eslint-disable-next-line no-var
+        var bigInt: bigint | null;
+        try {
+          bigInt = BigInt(value);
+        } catch {
+          bigInt = null;
+        }
       }
-      const node = this.estreeParseLiteral<N.EstreeBigIntLiteral>(bigInt);
+      const node = this.estreeParseLiteral<N.EstreeBigIntLiteral>(
+        process.env.BABEL_8_BREAKING ? BigInt(value) : bigInt,
+      );
       node.bigint = String(node.value || value);
 
       return node;