From 363b5f115455054a3814720aa27a3b60d4b74f91 Mon Sep 17 00:00:00 2001
From: Colin Rotherham <work@colinr.com>
Date: Mon, 19 Feb 2024 20:03:12 +0000
Subject: [PATCH] Ignore various fixes in supported features

For example, polyfills to fix unhandled empty space characters in ES5 `''.trim()` that would be removed in ES2015
---
 packages/govuk-frontend/babel.config.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/packages/govuk-frontend/babel.config.js b/packages/govuk-frontend/babel.config.js
index c9bd0ad6d2..5154ec54a8 100644
--- a/packages/govuk-frontend/babel.config.js
+++ b/packages/govuk-frontend/babel.config.js
@@ -49,6 +49,18 @@ module.exports = function (api) {
 
           // Browser support polyfills to exclude
           exclude: [
+            // Ignore various fixes in supported features
+            // https://github.com/zloirock/core-js/blob/v3/packages/core-js-compat/src/data.mjs
+            'es.array.includes',
+            'es.array.iterator',
+            'es.array.push',
+            'es.regexp.exec',
+            'es.regexp.to-string',
+            'es.string.includes',
+            'es.string.match',
+            'es.string.replace',
+            'es.string.trim',
+
             // ES2022 Error cause is unused
             // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/cause
             'es.error.cause',