backend/.eslintrc.js

module.exports = {
  env: {
    browser: false,
    node: true,
    commonjs: true,
    es2021: true,
  },
  extends: "eslint:recommended",
  overrides: [
    {
      files: ["**/*.ts", "**/*.js"],
      parser: "@typescript-eslint/parser",
      plugins: ["@typescript-eslint"],
      extends: [
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended",
      ],
    },
  ],
  parserOptions: {
    ecmaVersion: "latest",
  },
  rules: {
    indent: ["error", 2],
    "linebreak-style": ["error", "unix"],
    quotes: ["error", "single"],
    semi: ["error", "always"],
    "max-len": [
      "warn",
      {
        code: 80,
      },
    ],
  },
};