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create-logger.ts
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create-logger.ts
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import winston from "winston";
import { TLogger } from "../campaign/types";
let logger : TLogger | null = null;
export const createLogger = (logLevel ?: string, silent ?: boolean) => winston.createLogger({
levels: winston.config.npm.levels,
level: logLevel,
format: winston.format.combine(
winston.format.json(),
winston.format.timestamp(),
winston.format.prettyPrint(),
),
transports: [
new winston.transports.Console(),
],
exitOnError: false,
silent,
});
export const getLogger = () : TLogger => {
if (logger) return logger;
logger = createLogger(
process.env.LOG_LEVEL || "debug",
process.env.SILENT_LOGGER === "true"
);
const logFileName = `deploy-${Date.now()}.log`;
if (process.env.ENV_LEVEL?.includes("prod") || process.env.ENV_LEVEL?.includes("test")) {
logger.add(
new winston.transports.File({ filename: logFileName }),
);
logger.debug(`The ENV_LEVEL is ${process.env.ENV_LEVEL}, logs will be saved in ${ logFileName } file`);
}
return logger;
};