eslint.config.mjs

import path from "node:path"
import url from "node:url"
import eslintPluginTS from "@typescript-eslint/eslint-plugin"
import tsParser from "@typescript-eslint/parser"
import unusedImports from "eslint-plugin-unused-imports"
import unicornPlugin from "eslint-plugin-unicorn"

const __dirname = path.dirname(url.fileURLToPath(import.meta.url))

export default [
    // register plugins
    {
        plugins: {
            "@typescript-eslint": eslintPluginTS,
            "@unused-imports": unusedImports,
        },
    },

    // add files and folders to be ignored
    {
        ignores: [
            "node_modules/*",
            "eslint.config.mjs",
            ".github/*",
            ".yarn/*",
            "dist/*",
            "src/output/*",
        ],
    },

    {
        files: ["**/*.ts", "**/*.tsx"],
        languageOptions: {
            parser: tsParser,
            parserOptions: {
                project: "./tsconfig.json",
                tsconfigRootDir: __dirname,
            },
        },

        rules: {
            // override typescript-eslint
            "@typescript-eslint/no-empty-function": "off",
            "@typescript-eslint/no-inferrable-types": "off",
            "@typescript-eslint/consistent-generic-constructors": ["error", "type-annotation"],
            "@typescript-eslint/no-unused-vars": [
                "error",
                {
                    argsIgnorePattern: "^_",
                    caughtErrorsIgnorePattern: "^_",
                    varsIgnorePattern: "^_",
                },
            ],
            "spaced-comment": ["error", "always"],
            "prefer-const": [
                "error",
                {
                    destructuring: "all",
                    ignoreReadBeforeAssign: false,
                },
            ],
            "@typescript-eslint/prefer-optional-chain": "off",
            "@typescript-eslint/no-extraneous-class": "off",
            "@typescript-eslint/no-magic-numbers": "off",
            "@typescript-eslint/no-unsafe-type-assertion": "off",
            "@typescript-eslint/prefer-readonly-parameter-types": "off",
            "@typescript-eslint/member-ordering": "off",
            "@typescript-eslint/parameter-properties": "off",
            "@typescript-eslint/method-signature-style": "off",
            "@typescript-eslint/prefer-destructuring": "off",
            "@typescript-eslint/strict-boolean-expressions": "off",
            "@typescript-eslint/no-use-before-define": "off",
            "@typescript-eslint/class-methods-use-this": "off",
            "@typescript-eslint/no-shadow": "off",
            "@typescript-eslint/consistent-type-imports": "off",
            "@typescript-eslint/naming-convention": "off",
            "@typescript-eslint/max-params": "off",
            "@typescript-eslint/no-invalid-this": "off",
            "@typescript-eslint/init-declarations": "off",
            "@typescript-eslint/dot-notation": "off",

            "@unused-imports/no-unused-imports": "error",
            "no-duplicate-imports": "error",

            // override unicorn
            "unicorn/no-null": "off",
            "unicorn/prevent-abbreviations": "off",
            "unicorn/no-array-for-each": "off",
            "unicorn/import-style": "off",
            "unicorn/filename-case": "off",
            "unicorn/consistent-function-scoping": "off",
            "unicorn/no-nested-ternary": "off",
            "unicorn/prefer-module": "off",
            "unicorn/prefer-string-replace-all": "off",
            "unicorn/no-process-exit": "off",
            "unicorn/number-literal-case": "off", // prettier changes to lowercase
            "unicorn/no-lonely-if": "off",
            "unicorn/prefer-top-level-await": "off",
            "unicorn/no-static-only-class": "off",
            "unicorn/no-keyword-prefix": "off",
            "unicorn/prefer-json-parse-buffer": "off",
            "unicorn/no-array-reduce": "off",
        },
    },
]