.eslintrc.json

{
  "env": {
    "browser": true
  },
  "globals": {
    "Polymer": false,
    "DeckGLPolymer": true,
    "DeckGL": false,
    "LumaGL": false
  },
  "extends": [
    "eslint:recommended",
    "prettier"
  ],
  "plugins": [
    "html",
    "prettier"
  ],
  "rules": {
    "comma-dangle": [
      "error",
      "never"
    ],
    "max-len": [
      "error",
      {
        "ignoreStrings": true
      }
    ],
    "one-var": [
      "warn",
      {
        "initialized": "never",
        "uninitialized": "always"
      }
    ],
    "no-var": ["off"],
    "guard-for-in":[
      "warn"
    ],
    "block-scoped-var":[
      "warn"
    ],
    "camelcase": [
      "off",
      {
        "properties": "always"
      }
    ],
    "no-console": [
      "off"
    ],
    "require-jsdoc": [
      "warn",
      {
        "require": {
          "FunctionDeclaration": true,
          "MethodDefinition": false,
          "ClassDeclaration": false
        }
      }
    ],
    "no-redeclare":[
      "error",
      {
        "builtinGlobals": true
      }
    ],
    "new-cap": [
      "error",
      {
        "capIsNewExceptions": [
          "Polymer"
        ]
      }
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "quotes": [
      "error",
      "single"
    ]
  }
}