Switch linting to ESLint and Prettier (#191)

* Switch linting to ESLint and Prettier
* Clean up config
* Prettier fixes

package.json

@@ -28,13 +28,16 @@
   "types": "index.d.ts",
   "devDependencies": {
     "browserify": "^15.0.0",
-    "jscs": "^3.0.7",
+    "eslint": "^5.7.0",
+    "eslint-config-i-am-meticulous": "^11.0.0",
+    "husky": "^1.2.0",
     "jsdom": "^11.5.1",
     "jsdom-global": "^3.0.2",
-    "jshint": "^2.5.6",
+    "lint-staged": "^8.1.0",
     "npmpub": "^3.1.0",
     "nyc": "^11.4.1",
     "opn-cli": "^3.1.0",
+    "prettier": "^1.14.3",
     "serve": "^6.4.4",
     "tap-nyc": "^1.0.3",
     "tap-spec": "^4.1.1",
@@ -42,7 +45,7 @@
     "uglify-js": "^3.3.8"
   },
   "scripts": {
-    "lint": "jscs . && jshint . --exclude-path .gitignore",
+    "lint": "eslint .",
     "standalone": "browserify index.js --standalone Pjax > pjax.js",
     "build": "npm run standalone && uglifyjs pjax.js -o pjax.min.js",
     "build-debug": "browserify index.js --debug --standalone Pjax > pjax.js",
@@ -53,5 +56,17 @@
     "example": "opn http://localhost:3000/example/ && serve -p 3000 .",
     "prepublish": "npm run build",
     "release": "npmpub"
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "npm test && lint-staged"
+    }
+  },
+  "lint-staged": {
+    "*.js": [
+      "eslint --fix",
+      "prettier --write",
+      "git add"
+    ]
   }
 }