@log4js2/core/dist/decorator/log.js

log4js2 is a fast and lightweight logging library that enables logging flexibility within JavaScript/TypeScript applications, similar to Apache's [Log4j2 library](https://logging.apache.org/log4j/2.x/). It can also serve as a drop-in replacement for log4

Object.defineProperty(exports, "__esModule", { value: true });
var __1 = require("../");
require("reflect-metadata");
var logMarker = Symbol('logMarker');
/**
 * Sets the marker for the @Log decorator
 *
 * @constructor
 *
 * @param {Marker} marker
 */
function LogMarker(marker) {
    return function (target, key) {
        Reflect.defineMetadata(logMarker, marker, target, key);
    };
}
exports.LogMarker = LogMarker;
/**
 * Log an error on function entry
 *
 * @constructor
 *
 * @param {LogLevel} level
 * @param {string} message
 * @param {any[]} options
 *
 * @returns {Function}
 */
function Log(level, message) {
    var options = [];
    for (var _i = 2; _i < arguments.length; _i++) {
        options[_i - 2] = arguments[_i];
    }
    return function (target, key, descriptor) {
        var originalMethod = descriptor.value;
        descriptor.value = function () {
            var args = [];
            for (var _i = 0; _i < arguments.length; _i++) {
                args[_i] = arguments[_i];
            }
            var marker = Reflect.getOwnMetadata(logMarker, target, key);
            var logger = __1.getLogger(target);
            if (marker) {
                logger.log.apply(logger, [level, marker, message].concat(options));
            }
            else {
                logger.log.apply(logger, [level, message].concat(options));
            }
            return originalMethod.call(this, args);
        };
        return descriptor;
    };
}
exports.Log = Log;