eslint.config.mjs

import typescriptEslint from "@typescript-eslint/eslint-plugin";
import simpleImportSort from "eslint-plugin-simple-import-sort";
import tsParser from "@typescript-eslint/parser";
import path from "node:path";
import { fileURLToPath } from "node:url";
import js from "@eslint/js";
import { FlatCompat } from "@eslint/eslintrc";

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const compat = new FlatCompat({
    baseDirectory: __dirname,
    recommendedConfig: js.configs.recommended,
    allConfig: js.configs.all
});

export default [{
    ignores: ["**/node_modules", "**/dist", "**/.vscode", "**/coverage", "**/nyc-output"],
}, ...compat.extends(
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:prettier/recommended",
).map(config => ({
    ...config,
    files: ["**/*.ts", "**/*.tsx"],
})), {
    files: ["**/*.ts", "**/*.tsx"],

    plugins: {
        "@typescript-eslint": typescriptEslint,
        "simple-import-sort": simpleImportSort,
    },

    languageOptions: {
        parser: tsParser,
    },

    rules: {
        camelcase: "off",
        "no-unused-vars": "off",
        "sort-imports": "off",

        "prettier/prettier": ["error", {
            endOfLine: "auto",
        }],

        "simple-import-sort/imports": "error",

        "@typescript-eslint/naming-convention": ["error", {
            selector: "variable",
            format: ["camelCase", "PascalCase", "UPPER_CASE"],

            custom: {
                regex: "^opt_",
                match: false,
            },
        }],

        "@typescript-eslint/explicit-function-return-type": "off",
        "@typescript-eslint/no-empty-function": "off",
        "@typescript-eslint/no-explicit-any": "off",

        "@typescript-eslint/no-unused-vars": ["error", {
            argsIgnorePattern: "^_",
        }],

        "@typescript-eslint/explicit-module-boundary-types": "off",
    },
}];