Packaged Lightning Web Component - data source does not populate when displaying in subscriber
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Packaged Lightning Web Component - data source does not populate when displaying in subscriber

Apex , Lightning , Salesforce DX

Last updated 2019-08-29 ·Reference W-6303135 ·Reported By 8 users

Fixed - Summer '19 Patch 19.0

If a lightning web component makes use of a datasource attribute referencing a apex class, in a packaged namespace.

When the component is deployed to a subscriber org, the datasource attribute will not populate.

1. Create a Lightning Web Component as follows in a packaging org.



<br />


import {
} from 'lwc';

export default class ComponentWithoutNamespace extends LightningElement {
@api field;
@api recordId;


<?xml version="1.0" encoding="UTF-8"?>
<LightningComponentBundle xmlns="" fqn="ComponentWithoutNamespace">
<targetConfig targets="lightning__AppPage,lightning__RecordPage,lightning__HomePage">
<property type="String" name="field" required="false" label="Object" datasource="apex://DataSourceClass" description="Object"/>

*ApexClass - DataSourceClass*

public with sharing class DataSourceClass
extends VisualEditor.DynamicPickList {
public override VisualEditor.DataRow getDefaultValue(){
VisualEditor.DataRow defaultValue = new VisualEditor.DataRow('Select', '');
return defaultValue;
public override VisualEditor.DynamicPickListRows getValues() {
VisualEditor.DynamicPickListRows myValues = new VisualEditor.DynamicPickListRows();
VisualEditor.DataRow tmp = new VisualEditor.DataRow('Select', '');
myValues.addRow(new VisualEditor.DataRow('Test1', 'Test1'););
myValues.addRow( new VisualEditor.DataRow('Test2', 'Test2'););
System.debug('Values ' +myValues ) ;
return myValues;

2. Include these components into a package
3. Deploy to a subscriber org
4. Include the component on a flexi page
5. Observe how the components datasource attributes are not populating with values from the apex class

Current workaround is to append the namespace attribute for the packaging org in the datasource attribute
ie. in the componentWithoutNamespace.js-meta.xml
with a namespace of Test
<targetConfig targets="lightning__AppPage,lightning__RecordPage,lightning__HomePage">
<property type="String" name="field" required="false" label="Object" datasource="apex://test.DataSourceClass" description="Object"/>

Is it Fixed?

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