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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.import { LogLevel, getLevelByName, getLevelName } from "./levels.ts";import { BaseHandler } from "./handlers.ts";
export interface LogRecord {  msg: string;  args: unknown[];  datetime: Date;  level: number;  levelName: string;}
export class Logger {  level: number;  levelName: string;  // eslint-disable-next-line @typescript-eslint/no-explicit-any  handlers: any[];
  constructor(levelName: string, handlers?: BaseHandler[]) {    this.level = getLevelByName(levelName);    this.levelName = levelName;
    this.handlers = handlers || [];  }
  _log(level: number, msg: string, ...args: unknown[]): void {    if (this.level > level) return;
    // TODO: it'd be a good idea to make it immutable, so    // no handler mangles it by mistake    // TODO: iterpolate msg with values    const record: LogRecord = {      msg: msg,      args: args,      datetime: new Date(),      level: level,      levelName: getLevelName(level)    };    this.handlers.forEach((handler): void => {      handler.handle(record);    });  }
  debug(msg: string, ...args: unknown[]): void {    this._log(LogLevel.DEBUG, msg, ...args);  }
  info(msg: string, ...args: unknown[]): void {    this._log(LogLevel.INFO, msg, ...args);  }
  warning(msg: string, ...args: unknown[]): void {    this._log(LogLevel.WARNING, msg, ...args);  }
  error(msg: string, ...args: unknown[]): void {    this._log(LogLevel.ERROR, msg, ...args);  }
  critical(msg: string, ...args: unknown[]): void {    this._log(LogLevel.CRITICAL, msg, ...args);  }}