Pass all data to dataToEsm and fix array formatting in compact mode (#53

)

* Pass all data to dataToEsm and fix array formatting in compact mode

* Update dependencies, break Node 4 compatibility, add prettier, resolves #52

* Handle empty object keys, resolves #32

.eslintrc

@@ -3,11 +3,8 @@
     "rules": {
         "indent": [ 2, "tab", { "SwitchCase": 1 } ],
         "semi": [ 2, "always" ],
-        "quotes": [ 2, "single" ],
-        "linebreak-style": [ 2, "unix" ],
         "keyword-spacing": [ 2, { "before": true, "after": true } ],
         "space-before-blocks": [ 2, "always" ],
-        "space-before-function-paren": [ 2, "always" ],
         "no-mixed-spaces-and-tabs": [ 2, "smart-tabs" ],
         "no-cond-assign": 0,
         "no-unused-vars": 2,

.huskyrc

@@ -0,0 +1,6 @@
+{
+  "hooks": {
+    "pre-commit": "lint-staged",
+    "post-commit": "git reset"
+  }
+}

.lintstagedrc

@@ -1,9 +1,11 @@
 {
   "src/**/*.js": [
+    "prettier --write",
     "eslint --fix",
     "git add"
   ],
   "test/test.js": [
+    "prettier --write",
     "eslint --fix",
     "git add"
   ]

.prettierrc

@@ -0,0 +1,5 @@
+{
+	"singleQuote": true,
+	"useTabs": true,
+	"printWidth": 100
+}

.travis.yml

@@ -1,7 +1,6 @@
 sudo: false
 language: node_js
 node_js:
-  - "4"
   - "6"
   - "8"
   - "10"