.eslintrc.js

// https://eslint.org/docs/user-guide/configuring

module.exports = {
  root: true,
  parserOptions: {
    parser: "babel-eslint",
    ecmaVersion: 2017,
  },
  env: {
    browser: true,
    es6: true,
    "jest/globals": true,
  },
  extends: [
    // https://github.com/vuejs/eslint-plugin-vue#priority-a-essential-error-prevention
    // consider switching to `plugin:vue/strongly-recommended` or `plugin:vue/recommended` for stricter rules.
    "plugin:vue/essential",
    // https://github.com/standard/standard/blob/master/docs/RULES-en.md
    "standard",
    "prettier",
  ],
  // required to lint *.vue files
  plugins: ["jest", "vue"],
  // add your custom rules here
  rules: {
    // "comma-dangle": ["error", "always-multiline"],
    // allow async-await
    "generator-star-spacing": "off",
    //'indent': ['error', 'tab', {'SwitchCase': 1}],
    // allow debugger during development
    "no-debugger": process.env.NODE_ENV === "production" ? "error" : "off",
    "handle-callback-err": "off",
    semi: ["error", "always"],
    "space-before-function-paren": ["error", "never"],
  },
};