eslintrc.js

/*
Requires to have eslint and eslint-plugin vue installed locally.
(npm i -g eslint eslint-plugin-vue)

https://vuejs.github.io/eslint-plugin-vue/rules/

Put this in a ".eslintrc.json" at the root of the repository.
You can also put in in your $HOME.

 */
module.exports = {
  root: true,
  env: {
    browser: true,
    es6: true,
    node: true
  },
  extends: ["eslint:recommended", "plugin:vue/recommended"],
  parserOptions: {
    ecmaVersion: 2018,
    sourceType: "module",
    allowImportExportEverywhere: true
  },
  rules: {
    "no-console": process.env.NODE_ENV === "production" ? "error" : "off", //process.env.NODE_ENV === 'production' ? 'error' : 'off',
    "no-debugger": "off", // process.env.NODE_ENV === 'production' ? 'error' : 'off'

    indent: ["error", 2],
    "linebreak-style": ["error", "unix"],
    quotes: [
      "error",
      "double",
      {
        allowTemplateLiterals: true
      }
    ],
    "no-unused-vars": [
      "error",
      {
        argsIgnorePattern: "^_"
      }
    ],
    semi: ["error", "always"],
    /*________ 			Vue specific			 ________ */
    "vue/html-closing-bracket-spacing": [
      "error",
      {
        startTag: "never",
        endTag: "never",
        selfClosingTag: "never"
      }
    ],
    "vue/html-closing-bracket-newline": [
      "error",
      {
        singleline: "never",
        multiline: "never"
      }
    ],
    "vue/html-indent": [
      "error",
      2,
      {
        attribute: 2,
        baseIndent: 1,
        closeBracket: 0,
        alignAttributesVertically: true,
        ignores: []
      }
    ],
    "vue/max-attributes-per-line": [
      "error",
      {
        singleline: 4,
        multiline: {
          max: 1,
          allowFirstLine: true
        }
      }
    ],
    "vue/order-in-components": [
      "error",
      {
        order: [
          "el",
          "name",
          "parent",
          "functional",
          ["delimiters", "comments"],
          ["components", "directives", "filters"],
          "extends",
          "mixins",
          "inheritAttrs",
          "model",
          ["props", "propsData"],
          "LIFECYCLE_HOOKS",
          "data",
          "watch",
          "computed",
          "methods",
          ["template", "render"],
          "renderError"
        ]
      }
    ]
  }
};