feat(package): Add prettier

Author: bmuenzenmeyer

.eslintrc

@@ -9,26 +9,19 @@
     "sourceType": "module"
   },
   "globals": {},
+  "extends": ["prettier"],
+  "plugins": ["prettier"],
   "rules": {
+    "prettier/prettier": "error",
     "block-scoped-var": 0,
     "camelcase": 0,
-    "comma-spacing": [1, {"before": false, "after": true}],
     "consistent-return": 2,
     "curly": [2, "all"],
     "dot-notation": [1, { "allowKeywords": true }],
     "eqeqeq": [2, "allow-null"],
     "global-strict": [0, "never"],
     "guard-for-in": 2,
-    "indent": [1, 2, {"SwitchCase": 1, "VariableDeclarator": 1}],
-    "lines-around-comment": [1, {
-      "beforeBlockComment": true,
-      "beforeLineComment": true,
-      "allowBlockStart": true,
-      "allowObjectStart": true,
-      "allowArrayStart": true
-    }],
     "key-spacing": 0,
-    "keyword-spacing": 1,
     "new-cap": 0,
     "no-alert": 2,
     "no-bitwise": 2,
@@ -42,7 +35,6 @@
     "no-extend-native": 2,
     "no-extra-bind": 2,
     "no-extra-parens": 0,
-    "no-extra-semi": 2,
     "no-func-assign": 2,
     "no-implied-eval": 2,
     "no-invalid-regexp": 2,
@@ -51,7 +43,6 @@
     "no-loop-func": 2,
     "no-mixed-requires": 0,
     "no-multi-str": 2,
-    "no-multi-spaces": 1,
     "no-native-reassign": 2,
     "no-new": 2,
     "no-param-reassign": 1,
@@ -69,24 +60,19 @@
     "no-use-before-define": 1,
     "no-useless-call": 2,
     "no-useless-concat": 2,
+    "no-var": 2,
     "no-with": 2,
     "quotes": [0, "single"],
     "radix": 2,
-    "semi": [1, "always"],
     "strict": 0,
-    "space-before-blocks": 1,
-    "space-before-function-paren": [1, {
-      "anonymous": "always",
-      "named": "never"
-    }],
-    "space-in-parens": [1, "never"],
-    "space-infix-ops": 1,
     "valid-typeof": 2,
     "vars-on-top": 0,
-    "wrap-iife": [2, "inside"],
-    "prefer-const": ["error", {
-      "destructuring": "any",
-      "ignoreReadBeforeAssign": false
-      }]
+    "prefer-const": [
+      "error",
+      {
+        "destructuring": "any",
+        "ignoreReadBeforeAssign": false
+      }
+    ]
   }
 }

.prettierrc

@@ -0,0 +1,4 @@
+{
+  "singleQuote": true,
+  "trailingComma": "es5"
+}

package-lock.json

@@ -24,6 +24,9 @@
     "@pattern-lab/patternengine-node-handlebars": "^2.0.0-alpha.2",
     "@pattern-lab/patternengine-node-underscore": "^2.0.0-alpha.1",
     "eslint": "3.5.0",
+    "eslint-config-prettier": "^2.9.0",
+    "eslint-plugin-prettier": "^2.5.0",
+    "prettier": "1.10.2",
     "rewire": "2.5.2",
     "tap": "11.0.1"
   },
@@ -57,7 +60,7 @@
   "license": "MIT",
   "scripts": {
     "lint": "eslint core/**/*.js",
-    "pretest": "npm run lint",
+    "prettier": "prettier --config .prettierrc --write ./core/**/*.js",
     "test": "tap test/*_tests.js --reporter spec --coverage"
   },
   "engines": {