Merge pull request #51 from dwyl/replace-deprecated-dep-istanbul

chore: migrate deprecated `istanbul` to `nyc`

.gitignore

@@ -10,8 +10,9 @@ pids
 # Directory for instrumented libs generated by jscoverage/JSCover
 lib-cov
 
-# Coverage directory used by tools like istanbul
+# Files generated by tools like istanbul/nyc
 coverage
+.nyc_output
 
 # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
 .grunt

.nycrc

@@ -0,0 +1,14 @@
+{
+  "all": true,
+  "include": ["*.js"],
+  "reporter": [
+    "text-summary",
+    "html"
+  ],
+  "instrument": true,
+  "check-coverage": true,
+  "branches": 100,
+  "lines": 100,
+  "functions": 100,
+  "statements": 100
+}

appveyor.yml

@@ -23,8 +23,7 @@ test_script:
   - npm --version
   # run tests
   - npm test
-  - node_modules/.bin/istanbul check-coverage --statements 80 --functions 100 --lines 80 --branches 80
+  - node_modules/.bin/nyc check-coverage
 
 # Don't actually build.
 build: off
-