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Null values in query data causes a null value error. #408

weenchehawk opened this Issue Feb 18, 2018 · 1 comment


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weenchehawk commented Feb 18, 2018

If the result of a web query contains null data, for example as per nickname below;

 "status": true,
  "error": null,
  "data": {
    "user": [
        "personid": 1,
        "familyname": "De-Flores",
        "firstname": "Nancy",
        "nickname": null,
        "birthlocation": "Somewhere Beautiful, Alabama",

A null value failure is encountered at jquery.typeahead.min.js:10:23495.

This seems to map to jquery.typeahead.js::1923

                        if (~[undefined, true].indexOf(groupFilter)) {
                            comparedDisplay = displayValue;
                            comparedDisplay = comparedDisplay.toString().toLowerCase();

                            if (this.options.accent) {
                                comparedDisplay =

Suggested fix is to check for null in the if ()

                        if (displayValue != null && ~[undefined, true].indexOf(groupFilter))
                            comparedDisplay = displayValue;

I patched my .min. with if(r != null && . . . and it seems to work.

Hardly a rigorous fix but there's little point in me digging about in the .js for a day - I'd still probably miss something subtle. Hope we can get a full fix soon.

@weenchehawk weenchehawk changed the title from Null values in query data cause exception. to Null values in query data causes a null value error. Feb 18, 2018

@running-coder running-coder added the Bug label Mar 30, 2018

@running-coder running-coder added this to the 2.10.5 milestone Mar 30, 2018


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running-coder commented Mar 30, 2018

I've added your suggested fix and a test to cover it, let me know if that works

running-coder added a commit that referenced this issue Jul 19, 2018

Version 2.10.5
- Feature #397 update data of a multiselect

- Fix #389 Allow `onLayoutBuiltBefore` to return a custom template, wrap `<li>` inside other `<ul>` or `<div>`
- Fix #396 limitTemplate doesn't display unless emptyTemplate is defined
- Fix #408 Null values in query data causes a null value error.
- Fix #424 groupOrder array doesn't work when group is a string
- Fix #434 The item value in the onCancel function in undefined
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