.eslintrc.js

module.exports = {
    "env": {
        "browser": true,
        "commonjs": true,
        "es6": true,
        "mocha": true
    },
    "extends": "eslint:recommended",
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        },
        "sourceType": "module",
        "ecmaVersion": 8
    },
    "rules": {
        "indent": [
            "warn",
            4
        ],
        "linebreak-style": [
            "warn",
            "unix"
        ],
        "quotes": [
            "warn",
            "single"
        ],
        "semi": [
            "warn",
            "never"
        ]
    },
    "globals": {
      "web3": true,
      "contract": true,
      "Buffer": true,
      "process": true,
      "assert": true,
      "artifacts": true
    }
}