const Reporter = require('./Reporter');
/**
* A reporter impl that simply logs the metrics via the Logger.
*
* @example
* const { SelfReportingMetricsRegistry, LoggingReporter } = require('measured-reporting');
* const registry = new SelfReportingMetricsRegistry(new LoggingReporter());
*
* @extends {Reporter}
*/
class LoggingReporter extends Reporter {
/**
* @param {LoggingReporterOptions} [options]
*/
constructor(options) {
super(options);
const level = (options || {}).logLevelToLogAt;
this._logLevel = (level || 'info').toLowerCase();
}
/**
* Logs the metrics via the inherited logger instance.
* @param {MetricWrapper[]} metrics
* @protected
*/
_reportMetrics(metrics) {
metrics.forEach(metric => {
this._log[this._logLevel](
JSON.stringify({
metricName: metric.name,
dimensions: this._getDimensions(metric),
data: metric.metricImpl.toJSON()
})
);
});
}
}
module.exports = LoggingReporter;
/**
* @interface LoggingReporterOptions
* @typedef LoggingReporterOptions
* @type {Object}
* @property {Dimensions} defaultDimensions A dictionary of dimensions to include with every metric reported
* @property {Logger} [logger] The logger to use, if not supplied a new Buynan logger will be created
* @property {string} [logLevel] The log level to use with the created console logger if you didn't supply your own logger.
* @property {number} [defaultReportingIntervalInSeconds] The default reporting interval to use if non is supplied when registering a metric, defaults to 10 seconds.
* @property {string} [logLevelToLogAt] You can specify the log level ['debug', 'info', 'warn', 'error'] that this reporter will use when logging the metrics via the logger.
*/
Measured