npm and error messages

node_modules/webpack/lib/SizeFormatHelpers.js

@@ -0,0 +1,18 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Sean Larkin @thelarkinn
+*/
+"use strict";
+
+const SizeFormatHelpers = exports;
+
+SizeFormatHelpers.formatSize = size => {
+	if(size <= 0) {
+		return "0 bytes";
+	}
+
+	const abbreviations = ["bytes", "kB", "MB", "GB"];
+	const index = Math.floor(Math.log(size) / Math.log(1000));
+
+	return `${+(size / Math.pow(1000, index)).toPrecision(3)} ${abbreviations[index]}`;
+};