VimのSyntasticでJS(eslint)をES6のルールでチェックする

http://stackoverflow.com/questions/20160921/syntastic-complaining-about-es6-module-syntax

~/.eslintrc

{
    "parser": "babel-eslint",
    "env": {
        "browser": true,
        "node": true
    },
    "settings": {
        "ecmascript": 6
    },
    "rules": {
        "strict": 0 // you can add more rules if you want
    }
}