Implement metrics

metrics/metricManager.js

@@ -0,0 +1,24 @@
+const cliProgress = require("cli-progress");
+const { Metric } = require("./metrics");
+
+class MetricManager {
+	constructor() {
+		this.metricBufferSize = 1000;
+		this.multibar = new cliProgress.MultiBar(
+			{
+				clearOnComplete: false,
+				barCompleteChar: "\u2588",
+				barIncompleteChar: "\u2591",
+				format: " {bar} | {name} | {value}/{total}",
+			},
+			cliProgress.Presets.shades_grey
+		);
+	}
+
+	AddMetrics(name) {
+		const metric = new Metric(name, this.multibar, this.metricBufferSize);
+		return metric;
+	}
+}
+
+module.exports = { MetricManager };