.eslintrc.json

{
  "root": true,
  "parser": "babel-eslint",
  "env": {
    "node": true
  },
  "extends": [
    "walmart/configurations/es6-node"
  ],
  "parserOptions": {
    "sourceType": "module"
  },
  "plugins": [
    "filenames"
  ],
  "rules": {
    //additional rules
    "strict": [2, "never"],
    "indent": [2, 4, {
      "SwitchCase": 1
    }],
    "linebreak-style": [2, "unix"],
    "semi": [2, "always"],
    "require-jsdoc": [2, {
      "require": {
        "FunctionDeclaration": true,
        "MethodDefinition": true,
        "ClassDeclaration": false
      }
    }],
    "filenames/match-regex": [2, "^[a-z-.]+$"], //allows only kebab-like-names and names.with.parts, disallows camelCaseNames and snake_like_names
    "filenames/match-exported": 0,
    "filenames/no-index": 0,

    //overridden
    "max-len": [2, {
      "code": 128,
      "ignoreTrailingComments": true
    }],
    "comma-dangle": [2, "never"],
    "no-cond-assign": [2, "always"],
    "quotes": [2, "single"],
    "one-var": [2, "always"],
    "no-magic-numbers": [2, {
      "ignore": [0, 1, 100, 1000],
      "ignoreArrayIndexes": true
    }],
    "dot-notation": [2, {
      "allowPattern": "^([a-z]+(_[a-z]+)+|[_A-Z0-9]+)$" //allows keys (e.g): under_score, UPPERCASE, 123, _0
    }],
    "no-trailing-spaces": [2, {
      "skipBlankLines": true
    }],
    "no-multi-spaces": [2, {
      "exceptions": {
        "VariableDeclarator": true
      }
    }],

    //change level
    "brace-style": [1, "stroustrup"],
    "no-console": 1,

    //disable
    "curly": 0,
    "valid-jsdoc": 0,
    "max-params": 0,
    "prefer-const": 0
  }
}