.eslintrc

{
  "env": {
    "browser": true
  },
  "parserOptions": {
    "ecmaVersion": 6
  },
  "extends": "eslint:recommended",
  "globals": {
    "example": false,
    "showArrBoat" :false,
    "showArrTrain":false,
    "filterData":false,
    "sortData":false,
    "computeStats":false,
    "computeSumaTrains":false,
    "INJURIES":false,
    "data":false
  },
  "rules": {
    "allowTernary": true,
    "linebreak-style": 0,
    "global-require": 0,
    "keyword-spacing": 1,
    "space-before-function-paren": [1, "never"],
    "arrow-spacing":  ["error", { "before": true, "after": true }],
    "eqeqeq": 1,
    "space-infix-ops": 1,
    "comma-spacing": 1,
    "brace-style": 1,
    "no-multiple-empty-lines": 1,
    "camelcase": 1,
    "func-call-spacing": 1,
    "key-spacing": 1,
    "semi": 1,
    "no-floating-decimal": 1,
    "no-multi-spaces": 1,
    "padded-blocks": [1, "never"],
    "space-before-blocks": 1,
    "space-in-parens": 1,
    "spaced-comment": 1,
    "quotes": [1, "single"],
    "id-length": [1, { "exceptions": ["i", "j", "x"] }],
    "indent": [1, 2],
    "no-array-constructor": 1,
    "no-const-assign": "error",
    "no-var": "error"
 }
}