.eslintrc.js

module.exports = {
  root: true,
  env: {
    browser: true,
    es6: true,
    node: true
  },
  extends: ["airbnb-base", "plugin:vue/recommended"],
  rules: {
    "no-console": process.env.NODE_ENV === "production" ? "error" : "off",
    "no-debugger": process.env.NODE_ENV === "production" ? "error" : "off",
    "vue/max-attributes-per-line": [
      2,
      {
        multiline: {
          allowFirstLine: true
        }
      }
    ],
    quotes: ["error", "double"],
    "max-len": ["error", { code: 140, ignoreStrings: true, ignoreUrls: true }],
    "import/no-unresolved": 0,
    "linebreak-style": 0,
    "comma-dangle": 0,
    "import/prefer-default-export": 0,
    "no-unused-expressions": ["error", { allowTernary: true }],
    "no-underscore-dangle": 0,
    "no-param-reassign": 0,
    "arrow-parens": ["error", "as-needed"],
    "object-curly-newline": ["error", { ObjectPattern: "never" }],
    "import/extensions": ["error", "never"],
    "implicit-arrow-linebreak": ["error", "beside"],
    "vue/html-closing-bracket-newline": [
      "error",
      {
        singleline: "never",
        multiline: "never"
      }
    ]
  },
  parserOptions: {
    parser: "babel-eslint"
  },
  overrides: [
    {
      files: ["**/__tests__/*.{j,t}s?(x)", "**/tests/unit/**/*.spec.{j,t}s?(x)"],
      env: {
        jest: true
      }
    }
  ]
};