From 91bd8cb78d2e06703829cd9d23c1979c3dbd1368 Mon Sep 17 00:00:00 2001
From: sajeetharan <sajeefx@gmail.com>
Date: Fri, 14 Aug 2026 09:36:38 +0530
Subject: [PATCH] fix: normalize accented country searches

---
 components/SearchBar.jsx | 4 +++-
 lib/country.js           | 5 ++++-
 tests/country.test.js    | 9 +++++++++
 3 files changed, 16 insertions(+), 2 deletions(-)
 create mode 100644 tests/country.test.js

diff --git a/components/SearchBar.jsx b/components/SearchBar.jsx
index d8fa13e..6ecffd1 100644
--- a/components/SearchBar.jsx
+++ b/components/SearchBar.jsx
@@ -2,6 +2,7 @@
 
 import React, { useState, useRef, useCallback } from 'react';
 import SpecialTags from './SpecialTags.jsx';
+import { countryKey } from '../lib/country.js';
 
 const SAMPLES_BY_MODE = {
   text: [
@@ -45,10 +46,11 @@ export default function SearchBar({ developers, onResults, onReset, onGenerateCa
 
     if (m === 'text') {
       const lower = q.trim().toLowerCase();
+      const locationKey = countryKey(q.trim());
       let results = developers.filter(d =>
         (d.login && d.login.toLowerCase().includes(lower)) ||
         (d.name && d.name.toLowerCase().includes(lower)) ||
-        (d.location && d.location.toLowerCase().includes(lower))
+        (d.location && countryKey(d.location).includes(locationKey))
       );
 
       if (results.length === 0) {
diff --git a/lib/country.js b/lib/country.js
index 1aee537..a47b730 100644
--- a/lib/country.js
+++ b/lib/country.js
@@ -72,7 +72,10 @@ export function normalizeCountry(name) {
 
 // Comparable form — use whenever two country names from different sources are matched
 export function countryKey(name) {
-  return normalizeCountry(name).toLowerCase();
+  return normalizeCountry(name)
+    .normalize('NFD')
+    .replace(/[\u0300-\u036f]/g, '')
+    .toLowerCase();
 }
 
 export function normalizeCity(name) {
diff --git a/tests/country.test.js b/tests/country.test.js
new file mode 100644
index 0000000..2656bd2
--- /dev/null
+++ b/tests/country.test.js
@@ -0,0 +1,9 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { countryKey, extractCountry } from '../lib/country.js';
+
+test('countryKey matches accented country names to unaccented map names', () => {
+  assert.equal(countryKey(extractCountry('Perú')), countryKey('Peru'));
+  assert.equal(countryKey('España'), countryKey('Espana'));
+  assert.ok(countryKey('Lima, Perú').includes(countryKey('Peru')));
+});
\ No newline at end of file