POC: istanbul (nyc) + mocha + watch

.info.md

POC: using Istanbul's nyc CLI with mocha and watch ability (using nodemon)

Also works great with live-server for observing html reports

"scripts": {
  "watch:test:coverage": "concurrently \"live-server ./coverage\" \"nodemon -x npm run test:coverage\""
},
"devDependencies": {
  ...
  "concurrently": "3.4.0",
  "live-server": "1.2.0"
}

.mocha.opts

-r babel-register
-r ./.mocha.global.js
--recursive
./src/**/*.spec.js

.nycrc

{
  "require": [
    "babel-register"
  ],
  "exclude": [
    "**/*.spec.js"
  ],
  "reporter": [
    "html",
    "text-summary"
  ]
}

nodemon.json

{
  "execMap": {
    "js": "babel-node"
  }
}

package.json

{
  "scripts": {
    "test": "mocha --opts ./.mocha.opts",
    "test:coverage": "nyc npm run test:silent",
    "test:silent": "npm test -- -R mocha-silent-reporter",
    "watch:test": "npm test -- -w",
    "watch:test:coverage": "nodemon -x npm run test:coverage"
  },
  "devDependencies": {
    "babel-cli": "6.23.0",
    "babel-preset-latest": "6.22.0",
    "babel-preset-stage-3": "6.22.0",
    "babel-register": "6.23.0",
    "mocha": "3.2.0",
    "mocha-silent-reporter": "1.0.0",
    "nodemon": "1.11.0",
    "nyc": "10.1.2"
  }
}