Question

I have the following code which definitely returns a proper data result if I use the 2.0.0 version, but for some reason bootstrap’s typeahead plugin is giving me an error. I pasted it below the code sample:

<input id="test" type="text" />

$('#test').typeahead({
    source: function(typeahead, query) {
        return $.post('/Profile/searchFor', { query: query }, function(data) {                
            return typeahead.process(data);
        });
    }
});

When I run this example I’m getting a jQuery bug that says the following:

**
item is undefined
matcher(item=undefined)bootst...head.js (line 104)
<br/>(?)(item=undefined)bootst...head.js (line 91)
<br/>f(a=function(), b=function(), c=false)jquery....min.js (line 2)
<br/>lookup(event=undefined)bootst...head.js (line 90)
<br/>keyup(e=Object { originalEvent=Event keyup, type="keyup", timeStamp=145718131, more...})bootst...head.js (line 198)
<br/>f()jquery....min.js (line 2)
<br/>add(c=Object { originalEvent=Event keyup, type="keyup", timeStamp=145718131, <br/>more...})jquery....min.js (line 3)
<br/>add(a=keyup charCode=0, keyCode=70)jquery....min.js (line 3)
<br/>[Break On This Error]  
<br/>return item.toLowerCase().indexOf(this.query.toLowerCase())**

Any thoughts? … The same code works in the 2.0.0 version of the plugin, but fails to write to my knockout object model.

THIS IS WORKING TYPEAHEAD CODE FOR the 2.0.0 version:

var searchFunction = function(typeahead, query) {
        $.ajax({
            url: "/Profile/searchFor?tableName=" + tableName + "&query=" + query + "&extendedData=" + $("#" + extendedData).val(),
            success: function(data) {
                if (data.errorText != null) {
                    toggleLoading("false");
                    showDialog(data.errorText, "Error");
                    return;
                }                
                var result = data.results.split("::");
                typeahead.process(result);
            },
            select: function(event, ui) {
            }
        });
    }

    $("#" + inputBoxId).typeahead({
        source: searchFunction,
        onselect: function(obj) {
        }
    });

Answer 1

1) Bootstrap typeahead v2.0.2 solution

have a look at this pull request, it looks like what you’re looking for (its a fork from bootstrap typeahead v2.0.2).

I use it myself and it’s working 🙂

2) Bootstrap typeahead v.2.1.0-work in progress solution

Also you can try this solution. I just changed my project to use this one, becouse it’s gonna be supported in future versions and it looks cleaner 🙂

In my case:

$("#typeahead").typeahead({
  source: function(query, process) {
    $.post('url_path', { q: query, limit: 4 }, function(data) {
      process(data);
    }); // end of post
  }
});

Where script url_path requiers 2 arguments q (string) and limit (results limit) and returns json response (array):

Example response to query i with limit 4:

[“Eminem”,”Limp Bizkit”,”Rihanna”,”Will Smith”]