.eslintrc.json

{
  "extends": [
    "airbnb-base"
  ],
  "env": {
    "browser": true,
    "node": true
  },
  "rules": {
    "strict": 0,
    "no-param-reassign": 0,
    "prefer-rest-params": 0,
    "prefer-spread": 0,
    "no-cond-assign": ["error", "except-parens"],
    "no-plusplus": 0,
    "no-underscore-dangle": 0,
    "no-multi-assign": 0,
    "indent": ["error", 2, {
      "SwitchCase": 1,
      "VariableDeclarator": 1,
      "outerIIFEBody": 1,
      "FunctionDeclaration": {
        "parameters": "first"
      },
      "FunctionExpression": {
        "parameters": "first"
      },
      "CallExpression": {
        "parameters": "first"
      }
    }],
    "comma-dangle": ["error", {
      "arrays": "always-multiline",
      "objects": "always-multiline",
      "functions": "never"
    }],
    "max-len": ["error", 100, 2, {
      "ignoreUrls": true,
      "ignoreComments": true,
      "ignoreRegExpLiterals": true,
      "ignoreStrings": true,
      "ignoreTemplateLiterals": true
    }]
  }
}