From 92b80b0760a6d43c22d0a27806834e36512855e2 Mon Sep 17 00:00:00 2001
From: Taylor Schley <taylorschley@me.com>
Date: Wed, 17 Nov 2021 17:15:11 -0600
Subject: [PATCH] fix: check for sourcemap statics

---
 index.js     |  9 ++++++++-
 test/test.js | 25 +++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 0895749..2bec905 100644
--- a/index.js
+++ b/index.js
@@ -285,7 +285,14 @@ class I18N {
     if (extname(ctx.path) !== '') {
       if (!this.config.redirectTLDS) return next();
       const asciiFile = toASCII(basename(ctx.path));
-      if (!punycodedTlds.some((tld) => asciiFile.endsWith(`.${tld}`)))
+
+      // do a speciality check for .js.map and .css.map
+      // since .map is in tlds
+      if (
+        !punycodedTlds.some((tld) => asciiFile.endsWith(`.${tld}`)) ||
+        asciiFile.endsWith('.js.map') ||
+        asciiFile.endsWith('.css.map')
+      )
         return next();
     }
 
diff --git a/test/test.js b/test/test.js
index 3cb3767..1ffd757 100644
--- a/test/test.js
+++ b/test/test.js
@@ -550,6 +550,31 @@ test('does not redirect to static paths', async (t) => {
   t.is(res.status, 200);
 });
 
+test('does not redirect to static sourcemap paths', async (t) => {
+  const app = new Koa();
+  const i18n = new I18N({ phrases, directory });
+
+  app.use(session());
+  app.use(i18n.middleware);
+  app.use(i18n.redirect);
+
+  app.use((ctx) => {
+    const { locale } = ctx;
+    ctx.body = { locale };
+    ctx.status = 200;
+  });
+
+  let res = await request(app.listen())
+    .get('/login.css.map')
+    .set('Cookie', ['locale=es']);
+  t.is(res.status, 200);
+
+  res = await request(app.listen())
+    .get('/login.js.map')
+    .set('Cookie', ['locale=es']);
+  t.is(res.status, 200);
+});
+
 test('does not redirect typical domain extension when disabled', async (t) => {
   const app = new Koa();
   const i18n = new I18N({ phrases, directory, redirectTLDS: false });