Default to english translation

If no translation is found in the current language, default to english
or key instead of displaying "undefined" or no message at all.

Author: fbarbe00

src/index.js

@@ -15,15 +15,15 @@ require('./polyfill');
 
 var parsedOptions = links.parse(window.location.search.slice(1));
 var mergedOptions = L.extend(leafletOptions.defaultState, parsedOptions);
-var local = localization.get(mergedOptions.language);
+var language = mergedOptions.language;
 
 // load only after language was chosen
 var ItineraryBuilder = require('./itinerary_builder')(mergedOptions.language);
 
 var mapLayer = leafletOptions.layer;
 var overlay = leafletOptions.overlay;
 var baselayer = ls.get('layer') ? mapLayer[0][ls.get('layer')] : leafletOptions.defaultState.layer;
-var layers = ls.get('getOverlay') && [baselayer, overlay['Small Components']] || baselayer;
+var layers = ls.get('getOverlay') && [baselayer, overlay['hiking']] || baselayer;
 var map = L.map('map', {
   zoomControl: true,
   dragging: true,
@@ -115,8 +115,8 @@ var plan = new ReversablePlan([], {
   dragStyles: options.lrm.dragStyles,
   geocodersClassName: options.lrm.geocodersClassName,
   geocoderPlaceholder: function(i, n) {
-    var startend = [local['Start - press enter to drop marker'], local['End - press enter to drop marker']];
-    var via = [local['Via point - press enter to drop marker']];
+    var startend = [localization.t(language, 'Start - press enter to drop marker'), localization.t(language, 'End - press enter to drop marker')];
+    var via = [localization.t(language, 'Via point - press enter to drop marker')];
     if (i === 0) {
       return startend[0];
     }
@@ -142,11 +142,19 @@ var controlOptions = {
   showAlternatives: options.lrm.showAlternatives,
   units: mergedOptions.units,
   serviceUrl: leafletOptions.services[0].path,
+  useHints: false,
+  services: leafletOptions.services,
   useZoomParameter: options.lrm.useZoomParameter,
   routeDragInterval: options.lrm.routeDragInterval,
   collapsible: options.lrm.collapsible,
   itineraryBuilder: new ItineraryBuilder(),
 };
+// translate profile names
+for (var profile = 0, len = controlOptions.services.length; profile < len; profile++)
+{
+  controlOptions.services[profile].label = localization.t(language, controlOptions.services[profile].label) || controlOptions.services[profile].label;
+}
+
 var router = (new L.Routing.OSRMv1(controlOptions));
 router._convertRouteOriginal = router._convertRoute;
 router._convertRoute = function(responseRoute) {

src/localization.js

@@ -12,19 +12,26 @@ var language_mapping = {
   hu: require('../i18n/hu'),
   vi: require('../i18n/vi'),
   'pt-BR': require('../i18n/pt-BR'),
-  'zh-Hans': require('../i18n/zh-Hans')
 };
 
 module.exports = {
-  getLanguages: function() {
+  getLanguages: function () {
     var languages = {};
-    for (var key in language_mapping)
-    {
-       languages[key] = language_mapping[key].name;
+    for (var key in language_mapping) {
+      languages[key] = language_mapping[key].name;
     }
     return languages;
   },
-  get: function(language) {
-  return language_mapping[language];
-}
+  get: function (language) {
+    return language_mapping[language];
+  },
+  t: function (language, key) {
+    if (language_mapping[language] && language_mapping[language][key]) {
+      return language_mapping[language][key];
+    } else if (language_mapping['en'] && language_mapping['en'][key]) {
+      return language_mapping['en'][key];
+    } else {
+      return key;
+    }
+  }
 };