Update package version to 2.3.1

package.json

@@ -1,6 +1,6 @@
 {
   "name": "tileserver-gl",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "description": "Map tile server for JSON GL styles - vector and server side generated raster tiles",
   "main": "src/main.js",
   "bin": "src/main.js",
@@ -25,19 +25,19 @@
     "@mapbox/vector-tile": "1.3.0",
     "advanced-pool": "0.3.3",
     "base64url": "2.0.0",
-    "canvas": "1.6.6",
+    "canvas": "1.6.8",
     "clone": "2.1.1",
     "color": "1.0.3",
     "cors": "2.8.4",
-    "express": "4.15.4",
+    "express": "4.16.2",
     "glyph-pbf-composite": "0.0.2",
-    "handlebars": "4.0.10",
+    "handlebars": "4.0.11",
     "http-shutdown": "^1.2.0",
-    "morgan": "1.8.2",
+    "morgan": "1.9.0",
     "nomnom": "1.8.1",
     "pbf": "3.0.5",
     "proj4": "2.4.4",
-    "request": "2.81.0",
+    "request": "2.83.0",
     "sharp": "0.18.2",
     "tileserver-gl-styles": "1.2.0"
   },

src/utils.js

@@ -84,7 +84,20 @@ var getFontPbf = function(allowedFonts, fontPath, name, range, fallbacks) {
         if (err) {
           console.error('ERROR: Font not found:', name);
           if (fallbacks && Object.keys(fallbacks).length) {
-            var fallbackName = Object.keys(fallbacks)[0];
+            var fallbackName;
+
+            var fontStyle = name.split(' ').pop();
+            if (['Regular', 'Bold', 'Italic'].indexOf(fontStyle) < 0) {
+              fontStyle = 'Regular';
+            }
+            fallbackName = 'Noto Sans ' + fontStyle;
+            if (!fallbacks[fallbackName]) {
+              fallbackName = 'Open Sans ' + fontStyle;
+              if (!fallbacks[fallbackName]) {
+                fallbackName = Object.keys(fallbacks)[0];
+              }
+            }
+
             console.error('ERROR: Trying to use', fallbackName, 'as a fallback');
             delete fallbacks[fallbackName];
             getFontPbf(null, fontPath, fallbackName, range, fallbacks).then(resolve, reject);