diff --git a/js/doc/cli-utils.js b/js/doc/cli-utils.js
new file mode 100644
index 0000000..a8c7594
--- /dev/null
+++ b/js/doc/cli-utils.js
@@ -0,0 +1,84 @@
+
+/**
+ * Repeats a string.
+ *
+ * @param {String} char(s)
+ * @param {Number} number of times
+ * @return {String} repeated string
+ */
+
+exports.repeat = function (str, times){
+  return Array(times + 1).join(str);
+};
+
+/**
+ * Pads a string
+ *
+ * @api public
+ */
+
+exports.pad = function (str, len, pad, dir) {
+  if (len + 1 >= str.length)
+    switch (dir){
+      case 'left':
+        str = Array(len + 1 - str.length).join(pad) + str;
+        break;
+
+      case 'both':
+        var right = Math.ceil((padlen = len - str.length) / 2);
+        var left = padlen - right;
+        str = Array(left + 1).join(pad) + str + Array(right + 1).join(pad);
+        break;
+
+      default:
+        str = str + Array(len + 1 - str.length).join(pad);
+    };
+
+  return str;
+};
+
+/**
+ * Truncates a string
+ *
+ * @api public
+ */
+
+exports.truncate = function (str, length, chr){
+  chr = chr || '…';
+  return str.length >= length ? str.substr(0, length - chr.length) + chr : str;
+};
+
+/**
+ * Copies and merges options with defaults.
+ *
+ * @param {Object} defaults
+ * @param {Object} supplied options
+ * @return {Object} new (merged) object
+ */
+
+function options(defaults, opts) {
+  for (var p in opts) {
+    if (opts[p] && opts[p].constructor && opts[p].constructor === Object) {
+      defaults[p] = defaults[p] || {};
+      options(defaults[p], opts[p]);
+    } else {
+      defaults[p] = opts[p];
+    }
+  }
+  return defaults;
+};
+exports.options = options;
+
+//
+// For consideration of terminal "color" programs like colors.js,
+// which can add ANSI escape color codes to strings,
+// we destyle the ANSI color escape codes for padding calculations.
+//
+// see: http://en.wikipedia.org/wiki/ANSI_escape_code
+//
+exports.strlen = function(str){
+  var code = /\u001b\[(?:\d*;){0,5}\d*m/g;
+  var stripped = ("" + (str != null ? str : '')).replace(code,'');
+  var split = stripped.split("\n");
+  return split.reduce(function (memo, s) { return (s.length > memo) ? s.length : memo }, 0);
+}