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I have a lightning component that is using ui:inputSelect.

The component code:

            <div class="slds-form-element__control">
                <ui:inputSelect class="slds-select" aura:id="quals" change="{!c.getPreCodes}">
                    <aura:iteration items="{!v.questions}" var="q">
                         <ui:inputSelectOption aura:id="question" text="{!q.Id}" label="{!q.Question_Text__c}"/>
                    </aura:iteration>
                </ui:inputSelect>
            </div>

The controller:

    getPreCodes : function(cmp, event, helper){
        var selected = cmp.find("quals").get("v.value");

        var action = cmp.get("c.getPreCodes");
        action.setParams({
            "qualID" : selected
        });
        action.setCallback(this, function(response){
            var state = response.getState();
            if (state === "SUCCESS") {

                console.log('precodes: ', response.getReturnValue());

            }
        });

        $A.enqueueAction(action);
    }

The basic logic is that the uiSelect is dynamically populated on init (this works fine). When a user makes a selection the "change" parameter function is fired to retrieve a list from the database and pass it to another component.

However, the change function {!c.getPreCodes} seems to be called recursively causing a

"Something has gone wrong. AuraClientService.postProcess: error in processing [RangeError: Maximum call stack size exceeded] . Please try again."

error. If I comment out the enqueueAction the function only runs once (nothing is called recursively) so I suspect it has something to do with the controller call.

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1 Answer 1

18

As per the doc, it is recommended to use different names for the client side and server side methods/actions.

Use unique names for client-side and server-side actions in a component. A JavaScript function (client-side action) with the same name as a server-side action (Apex method) can lead to hard-to-debug issues.

So all you need to do is, change your client-side controller's method getPreCodes to something like getPreCodeData

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