Add prettier

package.json

@@ -13,9 +13,17 @@
  "coverage:travis": "babel-node ./node_modules/istanbul/lib/cli.js cover _mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage",
  "examples:browser": "babel-node examples/server",
  "examples:node": "babel-node examples/node-example",
+ "precommit": "lint-staged",
+ "prettify": "prettier --single-quote --trailing-comma all --write \"src/**/*.js\"",
  "test": "NODE_TLS_REJECT_UNAUTHORIZED=0 mocha $(find src -path '*test.js') --compilers js:babel-register --recursive --reporter spec",
  "test:watch": "npm run test -- --watch"
  },
+ "lint-staged": {
+ "*.js": [
+ "npm run prettify",
+ "git add"
+ ]
+ },
  "repository": {
  "type": "git",
  "url": "https://github.com/jbmusso/gremlin-javascript"
@@ -63,6 +71,7 @@
  "gulp-rename": "^1.2.0",
  "gulp-size": "^1.0.0",
  "gulp-uglify": "^0.3.1",
+ "husky": "^0.13.4",
  "istanbul": "^0.4.2",
  "istanbul-coveralls": "^1.0.3",
  "karma": "^0.12.31",
@@ -72,8 +81,10 @@
  "karma-firefox-launcher": "^0.1.3",
  "karma-mocha": "^0.1.10",
  "karma-safari-launcher": "^0.1.1",
+ "lint-staged": "^3.6.0",
  "mocha": "^1.21.4",
  "mocha-lcov-reporter": "^1.2.0",
+ "prettier": "^1.4.2",
  "rimraf": "^2.6.1",
  "serve-static": "^1.5.3",
  "vinyl-source-stream": "^1.0.0",