@nivinjoseph/n-log/dist/console-logger.js

Logging framework

import { BaseLogger } from "./base-logger.js";
import { LogPrefix } from "./log-prefix.js";
import chalk from "chalk";
// public
export class ConsoleLogger extends BaseLogger {
    constructor() {
        super(...arguments);
        this._stream = process.stdout;
    }
    logDebug(debug) {
        if (this.env === "dev") {
            if (this.useJsonFormat) {
                let log = {
                    source: this.source,
                    service: this.service,
                    env: this.env,
                    level: "Debug",
                    message: debug,
                    dateTime: this.getDateTime(),
                    time: new Date().toISOString()
                };
                this.injectTrace(log);
                if (this.logInjector)
                    log = this.logInjector(log);
                this._stream.write(JSON.stringify(log) + "\n");
            }
            else {
                this._stream.write(`${this.getDateTime()} ${LogPrefix.debug} ${debug}\n`);
            }
        }
        return Promise.resolve();
    }
    logInfo(info) {
        if (this.useJsonFormat) {
            let log = {
                source: this.source,
                service: this.service,
                env: this.env,
                level: "Info",
                message: info,
                dateTime: this.getDateTime(),
                time: new Date().toISOString()
            };
            this.injectTrace(log);
            if (this.logInjector)
                log = this.logInjector(log);
            this._stream.write(JSON.stringify(log) + "\n");
        }
        else {
            this._stream.write(chalk.blue(`${this.getDateTime()} ${chalk.bold(LogPrefix.info)} ${info}\n`));
        }
        return Promise.resolve();
    }
    logWarning(warning) {
        if (this.useJsonFormat) {
            let log = {
                source: this.source,
                service: this.service,
                env: this.env,
                level: "Warn",
                message: this.getErrorMessage(warning),
                dateTime: this.getDateTime(),
                time: new Date().toISOString()
            };
            this.injectTrace(log);
            if (this.logInjector)
                log = this.logInjector(log);
            this._stream.write(JSON.stringify(log) + "\n");
        }
        else {
            this._stream.write(chalk.yellow(`${this.getDateTime()} ${chalk.bold(LogPrefix.warning)} ${this.getErrorMessage(warning)}\n`));
        }
        return Promise.resolve();
    }
    logError(error) {
        if (this.useJsonFormat) {
            let log = {
                source: this.source,
                service: this.service,
                env: this.env,
                level: "Error",
                message: this.getErrorMessage(error),
                dateTime: this.getDateTime(),
                time: new Date().toISOString()
            };
            this.injectTrace(log, true);
            if (this.logInjector)
                log = this.logInjector(log);
            this._stream.write(JSON.stringify(log) + "\n");
        }
        else {
            this._stream.write(chalk.red(`${this.getDateTime()} ${chalk.bold(LogPrefix.error)} ${this.getErrorMessage(error)}\n`));
        }
        return Promise.resolve();
    }
}
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