eslint.config.js

import js from "@eslint/js"
import globals from "globals"

export default [
  js.configs.recommended,
  {
    languageOptions: {
      globals: {
        ...globals.node,
        ...globals.mocha,
      },
    },
    rules: {
      // console.log, console.warn, and console.error can be used.
      "no-console": "off",
      // Always use two spaces, and indent switch-case statements.
      indent: [ "error", 2, { SwitchCase: 1 } ],
      // Use Unix line endings (\n).
      "linebreak-style": [ "error", "unix" ],
      // Use double quotes.
      quotes: [ "error", "double" ],
      "quote-props": [ "error", "as-needed" ],
      // Enforce dangling commas for multiline statements
      "comma-dangle": [ "error", "always-multiline" ],
      // Always require curly braces for all control statements
      curly: "error",
      // No single-line braces
      "brace-style": [ "error", "1tbs", { allowSingleLine: true } ],
      // Disallow semicolons
      semi: [ "error", "never" ],
    },
  },
]