.eslintrc.js

module.exports = {
  root: true,
  parserOptions: {
    parser: "babel-eslint",
    sourceType: "module"
  },
  env: {
    browser: true,
    node: true,
    es6: true
  },
  extends: ["plugin:vue/recommended", "eslint:recommended"],
  rules: {
    "no-console": process.env.NODE_ENV === "production" ? "error" : "off",
    "no-debugger": process.env.NODE_ENV === "production" ? "error" : "off",
    indent: ["warn", 4],
    "vue/html-indent": ["warn", 4],
    "no-param-reassign": "off",
    "max-len": ["error", 150, 4],
    semi: "off",
    "no-unused-vars": [
      "error",
      { vars: "all", args: "none", ignoreRestSiblings: true }
    ],
    "vue/max-attributes-per-line": "off",
    "vue/singleline-html-element-content-newline": "off",
    "vue/html-closing-bracket-spacing": "off",
    "vue/html-self-closing": "off",
    "vue/multiline-html-element-content-newline": "off",
    "vue/mustache-interpolation-spacing": "off"
  }
};