From 5ce977959b12a1e220cefe27031f847213dab47f Mon Sep 17 00:00:00 2001
From: Evgeny Zinoviev <me@ch1p.io>
Date: Wed, 5 Jan 2022 18:48:19 +0300
Subject: fix for accented characters (#8)

---
 autocomplete.js | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/autocomplete.js b/autocomplete.js
index aa2ad12..82a5d6c 100644
--- a/autocomplete.js
+++ b/autocomplete.js
@@ -67,7 +67,9 @@ class Autocomplete {
   createItem(lookup, item) {
     let label;
     if (this.options.highlightTyped) {
-      const idx = item.label.toLowerCase().indexOf(lookup.toLowerCase());
+      const idx = removeDiacritics(item.label)
+          .toLowerCase()
+          .indexOf(removeDiacritics(lookup).toLowerCase());
       const className = Array.isArray(this.options.highlightClass) ? this.options.highlightClass.join(' ')
         : (typeof this.options.highlightClass == 'string' ? this.options.highlightClass : '');
       label = item.label.substring(0, idx)
@@ -109,7 +111,7 @@ class Autocomplete {
           value: this.options.value ? entry[this.options.value] : entry
       };
 
-      if (item.label.toLowerCase().indexOf(lookup.toLowerCase()) >= 0) {
+      if (removeDiacritics(item.label).toLowerCase().indexOf(removeDiacritics(lookup).toLowerCase()) >= 0) {
         items.appendChild(this.createItem(lookup, item));
         if (this.options.maximumItems > 0 && ++count >= this.options.maximumItems)
           break;
@@ -156,3 +158,13 @@ function ce(html) {
 function insertAfter(elem, refElem) {
   return refElem.parentNode.insertBefore(elem, refElem.nextSibling);
 }
+
+/**
+ * @param {String} str
+ * @returns {String}
+ */
+function removeDiacritics(str) {
+  return str
+      .normalize('NFD')
+      .replace(/[\u0300-\u036f]/g, '');
+}
\ No newline at end of file
-- 
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