From a0daecc8bb4301dad324801126d0a503b9e38d61 Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Sun, 19 Apr 2015 19:50:53 -0700
Subject: [PATCH] fuzzyFind improvement.

---
 example/ansi-viewer/index.js |  1 -
 lib/widget.js                | 26 +++++++++++++++++---------
 2 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/example/ansi-viewer/index.js b/example/ansi-viewer/index.js
index 95ad630..70f7697 100644
--- a/example/ansi-viewer/index.js
+++ b/example/ansi-viewer/index.js
@@ -125,7 +125,6 @@ var prompt = blessed.prompt({
   vi: true,
   mouse: true,
   tags: true,
-  content: 'Label:',
   border: 'line',
   hidden: true
 });
diff --git a/lib/widget.js b/lib/widget.js
index 1f102f9..a5360a0 100644
--- a/lib/widget.js
+++ b/lib/widget.js
@@ -5250,10 +5250,11 @@ List.prototype.appendItem = function(item) {
 };
 
 List.prototype.fuzzyFind = function(search, back) {
-  var index = this.getItemIndex(this.selected);
   var start = this.selected + (back ? -1 : 1);
 
-  if (search[0] === '/' && search[search.length - 1] === '/') {
+  if (typeof search === 'number') search += '';
+
+  if (search && search[0] === '/' && search[search.length - 1] === '/') {
     try {
       search = new RegExp(search.slice(1, -1));
     } catch (e) {
@@ -5261,27 +5262,34 @@ List.prototype.fuzzyFind = function(search, back) {
     }
   }
 
-  var finder = typeof search === 'string'
+  var test = typeof search === 'string'
     ? function(item) { return !!~item.indexOf(search); }
-    : search.test.bind(search);
+    : (search.test ? search.test.bind(search) : search);
+
+  if (typeof test !== 'function') {
+    if (this.screen.options.debug) {
+      throw new Error('fuzzyFind(): `test` is not a function.');
+    }
+    return this.selected;
+  }
 
   if (!back) {
     for (var i = start; i < this.ritems.length; i++){
-      if (finder(this.ritems[i])) return i;
+      if (test(this.ritems[i])) return i;
     }
     for (var i = 0; i < start; i++){
-      if (finder(this.ritems[i])) return i;
+      if (test(this.ritems[i])) return i;
     }
   } else {
     for (var i = start; i >= 0; i--){
-      if (finder(this.ritems[i])) return i;
+      if (test(this.ritems[i])) return i;
     }
     for (var i = this.ritems.length - 1; i > start; i--){
-      if (finder(this.ritems[i])) return i;
+      if (test(this.ritems[i])) return i;
     }
   }
 
-  return index;
+  return this.selected;
 };
 
 List.prototype.getItemIndex = function(child) {