.eslintrc.cjs

module.exports = {
  globals: {
    module: "readonly",
  },
  env: {
    node: true,
  },
  parser: "@typescript-eslint/parser",
  extends: [
    // By extending from a plugin config, we can get recommended rules
    // without having to add them manually.
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    // This disables the formatting rules in ESLint that Prettier is going to be responsible for handling.
    // Make sure it's always the last config, so it gets the chance to override other configs.
    "eslint-config-prettier",
  ],
  plugins: ["prettier"],
  settings: {
    // Tells eslint how to resolve imports.
    "import/resolver": {
      node: {
        paths: ["src"],
        extensions: [".js", ".jsx", ".ts", ".tsx"],
      },
    },
  },
  rules: {
    "no-console": "off", // Allow console logging in backend code.
    "prettier/prettier": "error",
    "no-unused-vars": ["warn", { argsIgnorePattern: "^_" }], // Ignore unused function arguments starting with _
    "no-use-before-define": [
      "error",
      { functions: false, classes: true, variables: true },
    ], // Allow variable hoisting for easier-to-read code.
    "prefer-const": "error", // Encourage use of const where possible.
    "@typescript-eslint/ban-types": [
      "error",
      {
        types: {
          Function: false, // Allow use of the 'Function' type.
        },
        extendDefaults: true,
      },
    ],
  },
  ignorePatterns: ["node_modules/", "package-lock.json", "build/", "coverage/"],
};