.eslintrc.json

{
  "env": {
    "es6": true,
    "mocha": true,
    "node": true
  },
  "extends": [
    "plugin:lodash-fp/recommended",
    "plugin:unicorn/recommended",
    "airbnb-base"
  ],
  "parserOptions": {
    "ecmaVersion": 8,
    "sourceType": "script"
  },
  "plugins": [
    "lodash-fp",
    "promise",
    "unicorn"
  ],
  "rules": {
    "array-bracket-spacing": "off",
    "arrow-parens": ["error", "as-needed", { "requireForBlockBody": false }],
    "brace-style": ["error", "1tbs", { "allowSingleLine": true}],
    "comma-dangle": ["error", {
      "arrays": "always-multiline",
      "exports": "always-multiline",
      "functions": "ignore",
      "imports": "always-multiline",
      "objects": "always-multiline"
    }],
    "consistent-return": "off",
    "func-names": "off",
    "function-paren-newline": ["error", "consistent"],
    "generator-star-spacing": ["error", "after"],
    "global-require": "off",
    "guard-for-in": "off",
    "import/no-dynamic-require": "off",
    "import/no-extraneous-dependencies": ["error", { "devDependencies": ["**/test/**", "/scripts/"] }],
    "import/order": [ "error", {
      "groups": [ "builtin", "external", "internal", [ "parent", "sibling" ], "index" ]
    }],
    "indent": ["error", 2, {
      "CallExpression": { "arguments": "first" },
      "SwitchCase": 1
    }],
    "max-len": "off",
    "newline-per-chained-call": "off",
    "no-continue": "off",
    "no-multi-spaces": ["error", { "ignoreEOLComments": true }],
    "no-multiple-empty-lines": [ "error", { "max": 1, "maxEOF": 0 } ],
    "no-param-reassign": ["error", { "props": false }],
    "no-plusplus": ["error", { "allowForLoopAfterthoughts": true }],
    "no-restricted-syntax": ["error", "ClassDeclaration"],
    "no-underscore-dangle": "off",
    "no-unused-vars": ["error", { "args": "after-used", "vars": "all" }],
    "no-use-before-define": "off",
    "no-warning-comments": ["error"],
    "one-var": [ "error", { "initialized": "never", "uninitialized": "always" }],
    "one-var-declaration-per-line": ["error", "initializations"],
    "object-curly-newline": ["error", { "consistent": true }],
    "prefer-rest-params": "off",
    "promise/always-return": "error",
    "promise/catch-or-return": "error",
    "promise/no-native": "off",
    "promise/param-names": "error",
    "require-yield": "off",
    "semi": ["error","never"],
    "semi-style": ["error", "first"],
    "space-unary-ops": ["error", {
      "nonwords": false,
      "overrides": { "!": true },
      "words": true
    }],
    "strict": ["error", "global"],
    "unicorn/catch-error-name": ["error", { "name": "err" }],
    "unicorn/filename-case": "off",
    "unicorn/throw-new-error": "off",
    "unicorn/no-fn-reference-in-iterator": "off",
    "unicorn/new-for-builtins": "off",
    "unicorn/regex-shorthand": "off",
    "valid-jsdoc": "error"
  },
  "settings": {
    "lodash": {
      "pragma": "fp"
    },
    "import/resolver": {
      "node": {
        "moduleDirectory": [
          "node_modules",
          "."
        ]
      }
    }
  }
}