update istanbul to nyc (their new cli) to get typescript coverage

.gitignore

@@ -61,3 +61,6 @@ out/
 scripts/cache
 
 .eslintrc
+
+# nyc (istanbul)
+.nyc_output

.nycrc

@@ -0,0 +1,10 @@
+{
+  "include": ["src/**/*.ts"],
+  "exclude": ["src/**/*.d.ts"],
+  "extension": [".ts"],
+  "require": ["ts-node/register"],
+  "reporter": ["text-summary", "html"],
+  "sourceMap": true,
+  "instrument": true,
+  "cache": true
+}

package.json

@@ -40,7 +40,6 @@
     "gulp-bump": "^0.1.13",
     "gulp-rename": "^1.2.0",
     "http-server": "^0.8.5",
-    "istanbul": "^1.1.0-alpha.1",
     "jayson": "^1.2.2",
     "json-loader": "^0.5.2",
     "json-schema-to-markdown-table": "^0.4.0",
@@ -49,6 +48,8 @@
     "mocha-junit-reporter": "^1.9.1",
     "null-loader": "^0.1.1",
     "ts-loader": "^3.2.0",
+    "nyc": "^11.3.0",
+    "source-map-support": "^0.5.0",
     "ts-node": "^3.3.0",
     "typescript": "^2.6.1",
     "uglifyjs-webpack-plugin": "^1.1.4",
@@ -65,7 +66,7 @@
     "watch": "tsc -w",
     "compile-with-source-maps": "babel -D --optional runtime -s -t -d dist/npm/ src/",
     "prepublish": "npm run clean && npm run compile",
-    "test": "istanbul cover _mocha",
+    "test": "nyc mocha",
     "coveralls": "cat ./coverage/lcov.info | coveralls",
     "lint": "if ! [ -f .eslintrc ]; then curl -o .eslintrc 'https://raw.githubusercontent.com/ripple/javascript-style-guide/es6/eslintrc'; echo 'parser: babel-eslint' >> .eslintrc; fi; eslint -c .eslintrc src/",
     "perf": "./scripts/perf_test.sh",

test/mocha.opts

@@ -1 +1,5 @@
---reporter spec --timeout 5000 --slow 500 --require ts-node/register
+--reporter spec
+--timeout 5000
+--slow 500
+--require ts-node/register
+--require source-map-support/register