Node 8 upgrade

.gitattributes

@@ -0,0 +1,3 @@
+# Auto detect text files and perform LF normalization
+* text=auto
+package.json text eol=lf

.gitignore

@@ -1,6 +1,7 @@
 # NPM
 node_modules
 npm-debug.log
+package-lock.json
 
 # WebStorm user-specific
 .idea/workspace.xml

.npmignore

@@ -7,6 +7,7 @@
 .eslintcache
 .eslintignore
 .eslintrc.json
+.gitattributes
 .nyc_output
 .npmignore
 .travis.yml

.travis.yml

@@ -1,7 +1,6 @@
 language: node_js
 node_js:
-  - "4"
-  - "6"
+  - "8"
 script:
   - npm run eslint
   - npm run test -- --failTaskOnError --suppressPassed
@@ -9,4 +8,4 @@ script:
 after_success:
 ## We only need to run coveralls for one node version (doesn't matter which one).
 ## We also ignore publishing failures, since restarting an existing travis build would otherwise break.
-  - if node --version | grep -q ^v6 ; npm run coverage && npm run coveralls; fi
+  - if node --version | grep -q ^v8 ; npm run coverage && npm run coveralls; fi

lib/writeGltf.js

@@ -168,7 +168,7 @@ function writeEmbeddedTextures(gltf) {
         var textureSource = texture.source;
         var textureByteLength = textureSource.length;
 
-        image.mimeType = mime.lookup(texture.extension);
+        image.mimeType = mime.getType(texture.extension);
         image.bufferView = gltf.bufferViews.length;
         gltf.bufferViews.push({
             buffer : 0,

package.json

@@ -26,17 +26,16 @@
     "node": ">=4.0.0"
   },
   "dependencies": {
-    "bluebird": "^3.5.0",
-    "cesium": "^1.36.0",
-    "fs-extra": "^4.0.1",
+    "bluebird": "^3.5.1",
+    "cesium": "^1.39.0",
+    "fs-extra": "^4.0.2",
     "jpeg-js": "^0.3.3",
-    "mime": "^1.3.6",
+    "mime": "^2.0.3",
     "pngjs": "^3.3.0",
-    "uuid": "^3.1.0",
-    "yargs": "^8.0.2"
+    "yargs": "^10.0.3"
   },
   "devDependencies": {
-    "coveralls": "^2.13.1",
+    "coveralls": "^3.0.0",
     "eslint": "^4.4.1",
     "eslint-config-cesium": "^2.0.1",
     "gulp": "^3.9.1",