Breaking: require ESLint 3.9.0 or later

- This is an update to release the feature to access ASTs of
`<template>` and `<style>`s in the future.

Author: mysticatea

README.md

@@ -16,7 +16,7 @@ ESLint supports autofix on custom parsers but does not support autofix on plugin
 $ npm install --save-dev eslint vue-eslint-parser
 ```
 
-- `vue-eslint-parser` requires ESLint 3.5.0 or later.
+- `vue-eslint-parser` requires ESLint 3.9.0 or later.
 
 ## :book: Usage
 

lib/parser.js

@@ -209,7 +209,7 @@ class Parser {
      * Parse the .vue code with the parsers that options specified.
      *
      * @param {string} code - The .vue code to be parsed.
-     * @returns {ASTNode} The result of parsing.
+     * @returns {{ast: ASTNode, services: any}} The result of parsing.
      */
     parseComponent(code) {
         if (!this.isVueComponent) {
@@ -219,7 +219,7 @@ class Parser {
         const info = parseComponent(code)
         const result = this.parseScriptNode(code, info.script)
 
-        return result.ast
+        return result
     }
 }