From a10a14bc794ab93823748e679dbb737f675fa84a Mon Sep 17 00:00:00 2001
From: Suguru Inoue <suguru@n8n.io>
Date: Tue, 2 Sep 2025 11:49:10 +0200
Subject: [PATCH] refactor(editor): Simplify config script insertion in dev
 mode (#18947)

---
 packages/frontend/editor-ui/vite.config.mts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/frontend/editor-ui/vite.config.mts b/packages/frontend/editor-ui/vite.config.mts
index ef0f374a51..c119718f24 100644
--- a/packages/frontend/editor-ui/vite.config.mts
+++ b/packages/frontend/editor-ui/vite.config.mts
@@ -126,9 +126,14 @@ const plugins: UserConfig['plugins'] = [
 	{
 		name: 'Insert config script',
 		transformIndexHtml: (html, ctx) => {
-			// Skip config script when using Vite dev server. Otherwise the BE
+			// Skip config tags when using Vite dev server. Otherwise the BE
 			// will replace it with the actual config script in cli/src/commands/start.ts.
-			return ctx.server ? html.replace('%CONFIG_SCRIPT%', '') : html;
+			return ctx.server
+				? html
+						.replace('%CONFIG_TAGS%', '')
+						.replaceAll('/{{BASE_PATH}}', '//localhost:5678')
+						.replaceAll('/{{REST_ENDPOINT}}', '/rest')
+				: html;
 		},
 	},
 	// For sanitize-html