tagTranslations: initial code

index.js

@@ -6,6 +6,7 @@ window.OpenStreetBrowserLoader = OpenStreetBrowserLoader
 
 require('./src/OpenStreetBrowserCategory')
 require('./src/OpenStreetBrowserIndex')
+var tagTranslations = require('./src/tagTranslations')
 
 var map
 
@@ -39,7 +40,16 @@ window.onload = function() {
 
   show('gastro/n281657531', function () {})
 
+  tagTranslations.load('node_modules/openstreetmap-tag-translations', 'de', function (err) {
+    if (err) {
+      alert('Error loading translations: ' + err)
+      return
+    }
 
+    console.log(tagTranslations.trans('amenity'))
+    console.log(tagTranslations.trans('amenity', 'restaurant'))
+    console.log(tagTranslations.trans('amenity', 'restaurant', 5))
+  })
 }
 
 function show (id, callback) {

package.json

@@ -9,6 +9,7 @@
   "dependencies": {
     "font-awesome": "^4.7.0",
     "leaflet": "^1.0.3",
+    "openstreetmap-tag-translations": "^1.0.0",
     "overpass-layer": "https://github.com/plepe/overpass-layer#marker"
   },
   "scripts": {

src/tagTranslations.js

@@ -0,0 +1,59 @@
+var translations = null
+
+function tagTranslationsLoad (path, lang, callback) {
+  var req = new XMLHttpRequest()
+
+  req.addEventListener('load', function () {
+    if (req.status === 200) {
+      translations = JSON.parse(req.responseText)
+      callback(null)
+    } else {
+      callback(req.statusText)
+    }
+  })
+
+  req.addEventListener('error', function () {
+    console.log(req)
+    callback('error')
+  })
+
+  req.open('GET', path + '/tags/' + lang + '.json')
+
+  req.send()
+}
+
+function tagTranslationsTrans (tag, value, count) {
+  var ret = null
+
+  if (typeof value === 'undefined') {
+    if (translations && 'tag:' + tag in translations) {
+      ret = translations['tag:' + tag]
+    } else {
+      ret = tag
+    }
+  }
+  else if (translations && 'tag:' + tag + '=' + value in translations) {
+    ret = translations['tag:' + tag + '=' + value]
+  } else {
+    ret = value
+  }
+
+  if (ret && typeof ret === 'object') {
+    if (typeof count !== 'undefined') {
+      if (count > 1 && '!=1' in ret) {
+        return ret['!=1']
+      } else {
+        return ret['message']
+      }
+    } else {
+      return ret['message']
+    }
+  } else {
+    return ret
+  }
+}
+
+module.exports = {
+  load: tagTranslationsLoad,
+  trans: tagTranslationsTrans
+}