add babel eslint config, fix lint

Author: hzoo

.eslintrc

@@ -0,0 +1,26 @@
+{
+  "rules": {
+    "strict": 0,
+    "no-underscore-dangle": 0,
+    "curly": 0,
+    "no-multi-spaces": 0,
+    "key-spacing": 0,
+    "no-return-assign": 0,
+    "consistent-return": 0,
+    "no-shadow": 0,
+    "comma-dangle": 0,
+    "no-use-before-define": 0,
+    "no-empty": 0,
+    "new-parens": 0,
+    "no-cond-assign": 0,
+    "no-fallthrough": 0,
+    "new-cap": 0,
+    "no-loop-func": 0,
+    "no-unreachable": 0,
+    "no-process-exit": 0
+  },
+  "env": {
+    "node": true,
+    "mocha": true
+  }
+}

acorn-to-esprima.js

@@ -73,10 +73,6 @@ exports.toTokens = function (tokens) {
   return tokens.map(exports.toToken);
 };
 
-function isCompatTag(tagName) {
-  return tagName && /^[a-z]|\-/.test(tagName);
-}
-
 function convertTemplateType(tokens) {
   var startingToken    = 0;
   var currentToken     = 0;
@@ -124,7 +120,7 @@ function convertTemplateType(tokens) {
         start: tokens[start].loc.start,
         end: tokens[end].loc.end
       }
-    }
+    };
 
     // put new token in place of old tokens
     tokens.splice(start, end - start + 1, templateToken);
@@ -174,7 +170,7 @@ function convertTemplateType(tokens) {
 
 var astTransformVisitor = {
   noScope: true,
-  exit: function (node, parent) {
+  exit: function (node /*, parent */) {
     if (this.isSpreadProperty()) {
       node.type = "Property";
       node.kind = "init";

index.js

@@ -1,5 +1,4 @@
 var acornToEsprima = require("./acorn-to-esprima");
-var traverse       = require("babel-core").traverse;
 var assign         = require("lodash.assign");
 var Module         = require("module");
 var parse          = require("babel-core").parse;