logger-monitor/lib/logger.js

Quick and easy logging for JS.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var uuid_1 = require("uuid");
var formatting_1 = require("./formatting");
var now = function () { return new Date().getTime(); };
var Logger = /** @class */ (function () {
    function Logger() {
        this.logs = [];
        this.settings = {
            showTimestamp: true,
            showInfoLogs: true
        };
        this.timers = {};
    }
    Logger.prototype.configure = function (settings) {
        if (!settings) {
            return;
        }
        for (var key in settings) {
            if (this.settings.hasOwnProperty(key)) {
                this.settings[key] = settings[key];
            }
        }
    };
    // Standard log object creation method to keep all logs in the same format.
    Logger.prototype.createLog = function (message, type, time) {
        return {
            timestamp: new Date(),
            type: type,
            message: message,
            time: time
        };
    };
    // Different log types
    Logger.prototype.info = function (message, timerId) {
        var log = this.createLog(message, 'info', this.endTimer(timerId));
        if (this.settings.showInfoLogs) {
            console.log(formatting_1.formatLog(log));
        }
    };
    Logger.prototype.warning = function (message, timerId) {
        var log = this.createLog(message, 'warning', this.endTimer(timerId));
        console.warn(formatting_1.formatLog(log));
    };
    Logger.prototype.error = function (message, timerId) {
        var log = this.createLog(message, 'error', this.endTimer(timerId));
        console.error(formatting_1.formatLog(log));
    };
    Logger.prototype.startTimer = function () {
        var id = uuid_1.v4().toString();
        this.timers[id] = now();
        return id;
    };
    Logger.prototype.endTimer = function (id) {
        if (!id) {
            return undefined;
        }
        if (this.timers[id]) {
            var time = now() - this.timers[id];
            delete this.timers[id];
            return time;
        }
        return undefined;
    };
    return Logger;
}());
exports.default = new Logger();
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