“No ESLint configuration found” error

Question

Recently, we\'ve upgraded to ESLint 3.0.0 and started to receive the following message running the grunt eslint task:

> $ grunt eslint
Running \"         


        

Answer 1

Create a new file on the root directory called .eslintrc.json file:

 {
    "parserOptions": {
         "ecmaVersion": 6,
         "sourceType": "module",
         "ecmaFeatures": {
             "jsx": true
         }
    },
    "rules": {
        "semi": "error"
    }
}