Added util function for range generation

lib/util.js

@@ -351,6 +351,19 @@ class Util {
     }
   }
 
+  /**
+   * @description Generate array of sequential numbers from start to stop
+   * @param {number} start
+   * @param {number} stop
+   * @param {number=} step
+   * @returns {number[]}
+   */
+  static range(start, stop, step = 1) {
+    return Array(Math.ceil((stop - start) / step))
+        .fill(start)
+        .map((x, y) => x + y * step)
+  }
+
 }
 
 /**