lens/src/main/logger.ts

import { app, remote } from "electron";
import winston from "winston";
import { isDebugging, isTestEnv } from "../common/vars";

const logLevel = process.env.LOG_LEVEL ? process.env.LOG_LEVEL : isDebugging ? "debug" : "info";
const consoleOptions: winston.transports.ConsoleTransportOptions = {
  handleExceptions: false,
  level: logLevel,
};
const fileOptions: winston.transports.FileTransportOptions = {
  handleExceptions: false,
  level: logLevel,
  filename: "lens.log",
  dirname: (app ?? remote?.app)?.getPath("logs"),
  maxsize: 16 * 1024,
  maxFiles: 16,
  tailable: true,
};
const logger = winston.createLogger({
  format: winston.format.combine(
    winston.format.colorize(),
    winston.format.simple(),
  ),
  transports: [
    new winston.transports.Console(consoleOptions),
    ...(isTestEnv ? [] : [new winston.transports.File(fileOptions)]),
  ],
});

export default logger;