From d72d6d77be04b9a4c5fd83bd1b556dfb6e85d935 Mon Sep 17 00:00:00 2001
From: Anibal Boggio <anibalboggioict@gmail.com>
Date: Wed, 9 Sep 2026 04:33:57 -0300
Subject: [PATCH] fix: close script tag for injected JavaScript in Swagger UI

---
 .../kotlin/io/javalin/openapi/plugin/swagger/SwaggerHandler.kt  | 2 +-
 .../io/javalin/openapi/plugin/swagger/SwaggerPluginTest.kt      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/javalin-plugins/javalin-swagger-plugin/src/main/kotlin/io/javalin/openapi/plugin/swagger/SwaggerHandler.kt b/javalin-plugins/javalin-swagger-plugin/src/main/kotlin/io/javalin/openapi/plugin/swagger/SwaggerHandler.kt
index 3a3a8e0e..0e3fe8d1 100644
--- a/javalin-plugins/javalin-swagger-plugin/src/main/kotlin/io/javalin/openapi/plugin/swagger/SwaggerHandler.kt
+++ b/javalin-plugins/javalin-swagger-plugin/src/main/kotlin/io/javalin/openapi/plugin/swagger/SwaggerHandler.kt
@@ -66,7 +66,7 @@ class SwaggerHandler(
         val allCustomStylesheets = customStylesheetFiles
             .joinToString(separator = "\n") { "<link href='${it.first}' rel='stylesheet' media='${it.second}' type='text/css' />" }
         val allCustomJavaScripts = customJavaScriptFiles
-            .joinToString(separator = "\n") { "<script src='${it.first}' type='${it.second}' />"}
+            .joinToString(separator = "\n") { "<script src='${it.first}' type='${it.second}'></script>"}
 
         @Suppress("JSUnresolvedReference")
         @Language("html")
diff --git a/javalin-plugins/javalin-swagger-plugin/src/test/kotlin/io/javalin/openapi/plugin/swagger/SwaggerPluginTest.kt b/javalin-plugins/javalin-swagger-plugin/src/test/kotlin/io/javalin/openapi/plugin/swagger/SwaggerPluginTest.kt
index 744952e0..9aa0a9cb 100644
--- a/javalin-plugins/javalin-swagger-plugin/src/test/kotlin/io/javalin/openapi/plugin/swagger/SwaggerPluginTest.kt
+++ b/javalin-plugins/javalin-swagger-plugin/src/test/kotlin/io/javalin/openapi/plugin/swagger/SwaggerPluginTest.kt
@@ -65,7 +65,7 @@ internal class SwaggerPluginTest {
 
             assertThat(response).contains("""link href='/swagger.css' rel='stylesheet' media='screen' type='text/css'""")
             assertThat(response).contains("""link href='/swagger-the-print.css' rel='stylesheet' media='print' type='text/css'""")
-            assertThat(response).contains("""script src='/script.js' type='text/javascript'""")
+            assertThat(response).contains("""<script src='/script.js' type='text/javascript'></script>""")
             assertThat(response).contains("{ name: 'custom', url: '/openapi.yaml' }")
         } finally {
             app.stop()