Rename fix-string.js and fixTextForSvg function name to a more readable name.

User regex to detect arabic characters.

Fix editing bugs.

modules/services/osm.js

@@ -7,7 +7,7 @@ import { geoExtent } from '../geo/index';
 import { osmEntity, osmNode, osmRelation, osmWay } from '../osm/index';
 import { utilDetect } from '../util/detect';
 import { utilRebind } from '../util/rebind';
-import { fixTextForSvg } from '../core/fix-string';
+import { fixArabicScriptTextForSvg } from '../util/svg_paths_arabic_fix';
 
 
 var dispatch = d3.dispatch('authLoading', 'authDone', 'change', 'loading', 'loaded'),
@@ -71,10 +71,11 @@ function getTags(obj) {
         var attrs = elems[i].attributes;
         tags[attrs.k.value] = attrs.v.value;
     }
-    var isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1
-    if(tags.name && tags.highway && !isFirefox){
+    var isFirefox = utilDetect().browser.toLowerCase().indexOf('firefox') > -1
+    var arabicRegex = /[\u0600-\u06FF]/g
+    if(tags.name && tags.highway && !isFirefox && arabicRegex.test(tags.name)){        
         tags.real_name = tags.name;
-        tags.name = fixTextForSvg(tags.real_name);            
+        tags.name = fixArabicScriptTextForSvg(tags.real_name);            
     }
     return tags;
 }

modules/ui/entity_editor.js

@@ -12,6 +12,7 @@ import { uiRawTagEditor } from './raw_tag_editor';
 import { uiTagReference } from './tag_reference';
 import { uiPreset } from './preset';
 import { utilRebind } from '../util/rebind';
+import { fixArabicScriptTextForSvg } from '../util/svg_paths_arabic_fix';
 
 
 export function uiEntityEditor(context) {
@@ -224,6 +225,14 @@ export function uiEntityEditor(context) {
                 tags[k] = v;
             }
         });
+        var arabicRegex = /[\u0600-\u06FF]/g
+        if(tags.highway && tags.real_name){
+            if(arabicRegex.test(tags.real_name)){
+                tags.name = fixArabicScriptTextForSvg(tags.real_name);
+            } else{
+                tags.name = tags.real_name;
+            }
+        }
 
         if (!onInput) {
             tags = clean(tags);

modules/util/svg_paths_arabic_fix.js

@@ -34,13 +34,13 @@ const chars = {
     5000: {initial: "ﻻ", isolated: "ﻻ", medial: "", final: "ﻼ" }
 };
 
-export function fixTextForSvg(inputText){
+export function fixArabicScriptTextForSvg(inputText){
     return inputText.split(' ').reverse().map(function(w){
-        return fixWordForSvg(w);
+        return fixArabicScriptWordForSvg(w);
     }).join(' ');
 }
 
-export function fixWordForSvg(inputWord){    
+export function fixArabicScriptWordForSvg(inputWord){    
     let context = true;
     let ret = [];
     //const inputWord = inputWord.split('');