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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assert } from "../assert/assert.ts";import { Logger } from "./logger.ts";import { state } from "./_state.ts";
/** Get a logger instance. If not specified `name`, get the default logger. */export function getLogger(name?: string): Logger {  if (!name) {    const d = state.loggers.get("default");    assert(      d !== undefined,      `"default" logger must be set for getting logger without name`,    );    return d;  }  const result = state.loggers.get(name);  if (!result) {    const logger = new Logger(name, "NOTSET", { handlers: [] });    state.loggers.set(name, logger);    return logger;  }  return result;}