.eslintrc.json

{
  "extends" : "airbnb-base",
  "plugins" : [
    "import"
  ],
  "env" : {
    "browser" : true,
    "node" : true,
    "jquery" : true,
    "mocha" : true
  },
  "rules" : {
    "padded-blocks" : "off",
    "array-bracket-spacing" : "warn",
    "prefer-arrow-callback" : "warn",
    "class-methods-use-this" : "off",
    "function-call-argument-newline" : "off",
    "function-paren-newline" : "off",
    "indent" : ["error", 2],
    "comma-dangle" : ["error", "always-multiline"],
    "key-spacing" : ["warn", {
      "singleLine" : {
        "beforeColon" : true,
        "afterColon" : true
      },
      "multiLine" : {
        "beforeColon" : true,
        "afterColon" : true,
        "mode" : "minimum"
      }
    }],
    "no-use-before-define" : ["error", {
      "functions" : false
    }],
    "no-param-reassign" : ["error", { "props" : false }],
    "no-var" : "warn",
    "no-plusplus" : "off",
    "max-len" : ["warn", 120],
    "func-names" : ["warn", "as-needed"],
    "quotes" : ["error", "single", { "allowTemplateLiterals" : true }],
    "arrow-parens" : "off",
    "arrow-body-style" : "off",
    "no-underscore-dangle" : "off",
    "no-extra-boolean-cast" : "off"
  },
  "globals" : {
    "Chart" : true,
    "angular" : true
  },
  "parserOptions": {
    "ecmaVersion": 2020
  }
}