Auto-complete matches can be fuzzy-filtered. Typing non-word characters confirms the match automatically.

Extract fuzzyFilter function into a file that is shared between file finder and autocompleter. Fix jQuery.fn.preempt to pass its arguments to the event handler.

src/stdlib/fuzzy-filter.coffee

@@ -0,0 +1,16 @@
+stringScore = require 'stringscore'
+
+module.exports = (candidates, query, options) ->
+  if query
+    scoredCandidates = candidates.map (candidate) ->
+      string = if options.key? then candidate[options.key] else candidate
+      { candidate, score: stringScore(string, query) }
+
+    scoredCandidates.sort (a, b) ->
+      if a.score > b.score then -1
+      else if a.score < b.score then 1
+      else 0
+    candidates = (scoredCandidate.candidate for scoredCandidate in scoredCandidates when scoredCandidate.score > 0)
+
+  candidates = candidates[0...options.maxResults] if options.maxResults?
+  candidates

src/stdlib/jquery-extensions.coffee

@@ -16,8 +16,8 @@ $.fn.containsElement = (element) ->
   (element[0].compareDocumentPosition(this[0]) & 8) == 8
 
 $.fn.preempt = (eventName, handler) ->
-  @on eventName, (e) ->
-    if handler() == false then e.stopImmediatePropagation()
+  @on eventName, (e, args...) ->
+    if handler(e, args...) == false then e.stopImmediatePropagation()
 
   eventNameWithoutNamespace = eventName.split('.')[0]
   handlers = @data('events')[eventNameWithoutNamespace]