Merge pull request #719 from ehmicky/master

Upgrade dependencies

.gitignore

@@ -1,5 +1,6 @@
 node_modules
 test-fixtures
-coverage
 *.bak
 *.log
+.nyc_output
+package-lock.json

.travis.yml

@@ -13,7 +13,7 @@ os:
   - linux
   - osx
 script:
-  - npm run ci-test
+  - npm run test
 after_script:
   - npm run coveralls
 sudo: false

package.json

@@ -22,20 +22,19 @@
   },
   "license": "MIT",
   "scripts": {
-    "test": "istanbul test node_modules/mocha/bin/_mocha",
-    "ci-test": "istanbul cover _mocha",
-    "coveralls": "cat ./coverage/lcov.info | coveralls"
+    "test": "nyc mocha --exit",
+    "coveralls": "nyc report --reporter=text-lcov | coveralls"
   },
   "files": [
     "index.js",
     "lib/"
   ],
   "devDependencies": {
     "chai": "^3.2.0",
-    "coveralls": "^2.11.2",
+    "coveralls": "^3.0.1",
     "graceful-fs": "4.1.4",
-    "istanbul": "^0.3.20",
-    "mocha": "^3.0.0",
+    "mocha": "^5.2.0",
+    "nyc": "^11.8.0",
     "rimraf": "^2.4.3",
     "sinon": "^1.10.3",
     "sinon-chai": "^2.6.0"