build: use nyc for test coverage

.eslintignore

@@ -1,2 +1,3 @@
+.nyc_output
 coverage
 node_modules

.gitignore

@@ -1,3 +1,4 @@
+.nyc_output/
 coverage/
 node_modules/
 npm-debug.log

.travis.yml

@@ -23,16 +23,15 @@ before_install:
   # Skip updating shrinkwrap / lock
   - "npm config set shrinkwrap false"
   # Setup Node.js version-specific dependencies
-  - test $TRAVIS_NODE_VERSION != '0.6' || npm rm --save-dev istanbul
-  - test $TRAVIS_NODE_VERSION != '0.8' || npm rm --save-dev istanbul
+  - "test $(echo $TRAVIS_NODE_VERSION | cut -d. -f1) -ge 6 || npm rm --save-dev nyc"
   - "test $(echo $TRAVIS_NODE_VERSION | cut -d. -f1) -ge 6 || npm rm --save-dev $(grep -E '\"eslint\\S*\"' package.json | cut -d'\"' -f2)"
   # Update Node.js modules
   - "test ! -d node_modules || npm prune"
   - "test ! -d node_modules || npm rebuild"
 script:
-  # Run test script, depending on istanbul install
-  - "test ! -z $(npm -ps ls istanbul) || npm test"
-  - "test   -z $(npm -ps ls istanbul) || npm run-script test-ci"
-  - "test   -z $(npm -ps ls eslint  ) || npm run-script lint"
+  # Run test script, depending on nyc install
+  - "test ! -z $(npm -ps ls nyc) || npm test"
+  - "test   -z $(npm -ps ls nyc) || npm run-script test-cov"
+  - "test   -z $(npm -ps ls eslint) || npm run-script lint"
 after_script:
-  - "test -e ./coverage/lcov.info && npm install coveralls@2 && cat ./coverage/lcov.info | coveralls"
+  - "test -d .nyc_output && npm install coveralls@2 && nyc report --reporter=text-lcov | coveralls"

package.json

@@ -21,8 +21,8 @@
     "eslint-plugin-node": "7.0.1",
     "eslint-plugin-promise": "4.0.1",
     "eslint-plugin-standard": "4.0.0",
-    "istanbul": "0.4.5",
-    "mocha": "1.21.5"
+    "mocha": "1.21.5",
+    "nyc": "13.1.0"
   },
   "files": [
     "HISTORY.md",
@@ -32,8 +32,7 @@
   ],
   "scripts": {
     "lint": "eslint .",
-    "test": "mocha --reporter spec --bail --check-leaks test/",
-    "test-ci": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/",
-    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/"
+    "test": "mocha test/",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
   }
 }