[test] Use nyc for coverage

.gitignore

@@ -1,4 +1,5 @@
 node_modules/
+.nyc_output/
 coverage/
 dist/
 npm-debug.log

.travis.yml

@@ -4,20 +4,20 @@ matrix:
   fast_finish: true
   include:
     - node_js: "8"
-      env: TASK=test-node
+      env: SCRIPT=test
     - node_js: "6"
-      env: TASK=test-node
+      env: SCRIPT=test
     - node_js: "4"
-      env: TASK=test-node
+      env: SCRIPT=test
     - node_js: "8"
       env:
         - secure: IF01oyIKSs0C5dARdYRTilKnU1TG4zenjjEPClkQxAWIpUOxl9xcNJWDVEOPxJ/4pVt+pozyT80Rp7efh6ZiREJIQI1tUboBKSqZzSbnD5uViQNSbQ90PaDP0FIUc0IQ5o07W36rijBB0DTmtU1VofzN9PKkJO7XiSSXevI8RcM=
         - SAUCE_USERNAME=url-parse
-        - TASK=test-browser
+        - SCRIPT=test-browser
 script:
-  - "npm run ${TASK}"
+  - "npm run ${SCRIPT}"
 after_script:
-  - 'if [ "${TASK}" == "test-node" ]; then npm i coveralls@3 && cat coverage/lcov.info | coveralls; fi'
+  - 'if [ "${SCRIPT}" == "test" ]; then npm i coveralls@3 && cat coverage/lcov.info | coveralls; fi'
 notifications:
   irc:
     channels:

package.json

@@ -4,13 +4,10 @@
   "description": "Small footprint URL parser that works seamlessly across Node.js and browser environments",
   "main": "index.js",
   "scripts": {
-    "100%": "istanbul check-coverage --statements 100 --functions 100 --lines 100 --branches 100",
     "browserify": "mkdir -p dist && browserify index.js -s URLParse -o dist/url-parse.js",
-    "test-node": "istanbul cover _mocha --report lcovonly -- test/test.js",
-    "coverage": "istanbul cover _mocha -- test/test.js",
+    "test": "nyc --reporter=html --reporter=text mocha test/test.js",
     "test-browser": "node test/browser.js",
-    "watch": "mocha --watch test/test.js",
-    "test": "mocha test/test.js"
+    "watch": "mocha --watch test/test.js"
   },
   "repository": {
     "type": "git",
@@ -31,13 +28,13 @@
   "license": "MIT",
   "dependencies": {
     "querystringify": "~1.0.0",
-    "requires-port": "1.0.x"
+    "requires-port": "~1.0.0"
   },
   "devDependencies": {
     "assume": "~1.5.0",
     "browserify": "~14.4.0",
-    "istanbul": "0.4.x",
     "mocha": "~4.0.0",
+    "nyc": "~11.2.1",
     "pre-commit": "~1.2.0",
     "sauce-browsers": "~1.0.0",
     "sauce-test": "~1.3.3"