Questions tagged [locker-service]
Locker Service is a set of new security features for Lightning Components.
0
votes
1answer
31 views
Lightning data locker restricting Javascript for CSS/HTML
I am trying to retrieve JavaScript Static resource in Community lightning component to override the numbering from Unescaped html. But the data locker service is blocking the script.
Am trying to ...
1
vote
1answer
38 views
LockerService seems to be blocking adding new properties to JS objects in LWC [duplicate]
I am facing issue with LWC, probably connected to the LockerService's Proxy objects.
My code
I am getting the list of custom objects defined in one of my Apex classes by calling Apex method from LWC ...
0
votes
1answer
33 views
Locker Service and 3rd party library, how to pass Security review?
Is it a way to use 3rd party library/framework like Vue/Angular and bypass security review by Salesforce. Because only option to use those kind of library seems possible with version 39.0 which is ...
1
vote
0answers
100 views
jsPDF and Salesforce Lightning Web Component
I'm trying to create a Salesforce Lightning Web Component to create a custom Quote PDF using jsPDF. I mastered to use the external chart.js library with uploading it as a static resource, but when I ...
1
vote
1answer
24 views
Iframe allow tag not supported in lightning component?
I tried adding the allow="microphone" tag in iframe that I added in salesforce lightning component, but when I load the page it throws a Uncaught AuraFriendlyError. Is it not supported, also if not is ...
1
vote
0answers
43 views
LockerService Error while using Range.setStart
Why does LockerService Error while using Range.setStart?
Getting the error "Failed to execute 'setStart' on 'Range': parameter 1 is not of type 'Node'.
This is when using popper.js dependency in a ...
1
vote
0answers
64 views
SVG API incomplete in LWC/Locker
I want to create a custom component that wraps the yFiles for HTML graph drawing component in an LWC component, but it seems some of the SVG API is not implemented or rather hidden behind the locker ...
0
votes
1answer
25 views
Uncaught SecureElement.innerHTML cannot be used with BODY elements! when using dhtmlxGantt in Lightning Component
I am trying to use dhtmlxGantt inside a Lightning Component.
CMP
<aura:component implements="flexipage:availableForAllPageTypes">
<ltng:require styles="{!$Resource.dhtmlxgantt_css }" /&...
1
vote
1answer
240 views
Blocked by CORS policy: No 'Access-Control-Allow-Origin' header on the requested resource
I am trying to use a Google Charting library inside a Lightning Aura Component.
Component
<aura:component implements="flexipage:availableForAllPageTypes">
<ltng:require scripts="{!$...
1
vote
1answer
27 views
invoking .click() function in lightning component
Client needs demand that we don't use the default SLDS style for the file uploads.
Basically, have a specific icon we have to use for uploads which isn't the SF one.
In prior releases, we were able ...
2
votes
1answer
65 views
How can you get the caret position when working from an event?
Looking at the Locker documentation they list selectionStart as being a valid attribute, but I can't find a way to access it.
I am trying to write an input masking utility, and everything works fine ...
3
votes
0answers
49 views
Using postMessage across different namespaced components
In Salesforce, postMessage is mainly used for communicating in between Visualforce and Lightning components
Communicating between Lightning Components and Visualforce Pages
Window.postMessage()
...
0
votes
3answers
206 views
access Target Element in Proxy
i have the following line:
var childCmp = cmp.find("lookupCmp");
My Lightning component API Version is 44.0
lookupCmp is a custom lightning component.
When i run this line i get:
childCmp = ...
3
votes
1answer
49 views
Why ECMAscript 6 Object.freeze not working with Locker Service?
We have a library we created using ECMACScript 6 that we transpiled using babel that worked perfectly with a VisualForce page. Migrating this library to work with Locker Service I found that Object....
0
votes
2answers
136 views
Alternative for javascript window method for visualforce pages in lightning
With the lightning readiness report there is mention that javascript window method won't perform as supposed to in Lightning. Salesforce documentation suggest sforce.one navigation methods to replace ...
6
votes
1answer
476 views
Locker service and lightning web components
Is there any documentation yet on how locker service fits in with lightning web components? If yes,
What are the implications of locker service on lightning web components?
What are locker service ...
3
votes
0answers
116 views
Is it possible to disable mobile touch on a Salesforce community
Background
I have a community page which displays a calendar by FullCalendar
The calendar is in a Lightning Component.
Both Salesforce Communities and FullCalendar support mobile devices.
...
0
votes
1answer
37 views
Locker Service and CSS in JS
Without trying this myself I was curious if anyone else was able to get CSS in JS to work within the confines of LockerService. At first glance it looks like styled-components might actually work as ...
1
vote
1answer
93 views
Only 1 of 3 JavaScript files load when using <ltng:require> and afterScriptsLoaded event not firing
Background
I am trying to use the PageDown JavaScript library:
Markdown.Converter.js - (click to view source)
Markdown.Editor.js - (click to view source)
Markdown.Sanitizer.js - (click to view ...
4
votes
1answer
251 views
Stripe integration for Salesforce in lightning components
We are trying to implement Stripe integration with Salesforce by using Lightning Components for payments.
Stripe use an API for securely obtain the users card information. This API is for the client,...
1
vote
1answer
45 views
Multi thread in lightning component script
im looking for some method to divide thread in my lightning component JS.
As far as I know is JS running on single thread.
but web.Worker function can be alternative.
i tried to use web.worker .. ...
0
votes
1answer
34 views
loop through components looking for data in it
im building a list that people select only a single item which works in a limited capacity but reloading or re-selecting isnt very user friendly. the basic concept is a controller retrieves selections,...
5
votes
2answers
132 views
accessing a lighning inputField lookup name client side
I am easily able to fetch a lookup ID from a inputField
<lightning:recordEditForm
objectApiName="Case">
<!-- the messages component is for error messages -->
<...
11
votes
3answers
757 views
Lightning support for eval() in Summer 18
I thought that eval() was supported in Lightning in Summer 18. According to the release notes, it is:
The eval() function is now available in Locker Service, even when
Strict CSP is enabled. This ...
2
votes
1answer
163 views
Library import not working
I am trying to import a library into Salesforce Lightning using ltng:require. Problem is, when I try to use some of the objects from the library in my controller, it can't find those objects. I have a ...
1
vote
1answer
82 views
Cannot read property 'Converter' of undefined, when using StackExchange PageDown Library in Lightning Component
BACKGROUND
I am trying to use the PageDown JavaScript library:
Markdown.Converter.js - (click to view source)
Markdown.Editor.js - (click to view source)
Markdown.Sanitizer.js - (click to view ...
0
votes
1answer
36 views
Using princexml and PDFreactor in Lightning component with version 43.0
I want to know if Salesforce allows princexml or PDFreactor js library to work if locker service is enabled. This files are used to convert html to PDF
1
vote
1answer
183 views
jsPDF library does not work in Lightning components 43.0 version
I have stored jsPDF library in static resource and using it in lightning component where version is 43.0. This library does not work if LockerService is enabled.I decreased version to 39.0 and then it ...
1
vote
1answer
76 views
How to show the difference with and without locker service using lightning components?
I created one component before activation of the locker service. After that i created another component after activation of the locker service. But my doubt is how to know, what is the difference ...
1
vote
1answer
63 views
Why different orgs behave differently with supposedly same config for Locker Service
So, reading documentation regarding locker-service I get that the only way of disable it, is downgrading the api version of each component to 39 or less. Also, documentation says that there is no ...
0
votes
0answers
263 views
HTTP Form Post to external website from Lightning Component
I am working with a client to develop a managed package. Here is the requirement in brief:
User clicks a button in a lightning component which is added to Contact detail page.
The button click ...
3
votes
1answer
192 views
Generating a PDF from a Lightning Page with LockerService restrictions
I'm trying to generate a PDF from a Lightning Page using jsPDF.
When I use the addHTML function in jsPDF I get an error (but only if locker service is enabled). The problem is in the use of ...
1
vote
0answers
167 views
Lightning Component CSP - Meta tag http-equiv for TinyMCE
I have a lightning sub component within a larger component that uses TinyMCE js library locally to provide advanced editing capabilities. The component works when I disable LockerService, by setting ...
2
votes
1answer
45 views
Why do I get a different type dependant on when I evaluate a JavaScript variable in Salesforce Lightning
I would like to understand why the typeof a JavaScript variable is different depending on where I evaluate it, even though I have't changed it.
I have a object like this:
var model = {}
model.user = ...
2
votes
2answers
243 views
Invalid SecureWindow API, toString was blacklisted : Source Error in Lightning
I am new to Lightning. I have created Lightning component and a controller.
Lightning component code:
<aura:component >
<ui:button press="{!c.doInit}">
<div class="testClass">...
4
votes
3answers
778 views
How to Use lightning Locker Service in sandbox
I know how to configure security model through OWD, Sharing Rules, Profiles and Roles in salesforce sandbox account but how to use Lightning Security Locker Service instead of OWD, Sharing Rules...etc
...
0
votes
1answer
139 views
lightning:actionOverride set Page Title
I've create a lightning component which implements lightning:actionOverride, for use as a custom new record page.
I've created an object called "Custom Object" with API Name "CustomObject__c"
...
1
vote
2answers
157 views
what is the difference between lightning with locker service and without locker service using in components?
I know little bit knowlege of lightning components. I am new to Lightning locker service. What is the difference between lightning with locker service and without locker service? how to know it is ...
6
votes
3answers
536 views
How to unproxy LockerService wrapped data for debugging via console.log()?
In Lightning Components I love to use console.log() to get an understanding what is happening. Often there is data shown as "Proxy{}", which looks in the console like this
I KNOW that there is fine ...
1
vote
0answers
82 views
lightning Component access denied from namespace
I am testing a simple lightning component which uses 3rd party js loaded as static resource. Originally I made in in a traiheadplayground. It is a sigle component and in app that only includes that ...
4
votes
3answers
200 views
How serious is this sfdx force:lightning:lint error on Array.from?
This Lightning Component code appears to work:
var tab = component.get("v.tab");
var fields = new Set();
tab.qualifiedFieldApiNames.forEach(function(item) {
if (item) fields.add(...
13
votes
1answer
526 views
component.find({ instancesOf : “lightning:input”}) return empty list in Summer '18
With new Summer '18 release following code returns empty list:
component.find("social-security-number-form").find({instancesOf : "lightning:input"})
"social-security-number-form" is an aura:id of ...
3
votes
1answer
167 views
lightning:checkboxGroup - set checkbox indeterminate = true
I'm using lightning:checkboxGroup and I'm trying to set the state one of the individual checkboxes as indeterminate. I tried the following JS:
component.find("my-chbxgroup").getElement()....
0
votes
0answers
146 views
OnclicktoDial method not working sometimes throwing error Refused to execute JavaScript URL
I' m trying to integrate openCti with 3rd party application. i've already created a call center , Lighning app and added URL to the call center where my aplication is hosted.
In my Application I've ...
6
votes
2answers
289 views
Cometd not working in summer 18
We have been using cometd with pushTopic. But we facing an issue an issue in summer 18 org that handshake with cometd is failing in lightning component. if we use lightning component directly in ...
6
votes
3answers
499 views
Summer 18: SVG blocked in Lightning Components
The old approach of using a helper component to display SVG in Lightning now appears to be blocked in Summer 18. What is a bit alarming, though, is that even components marked with API version 40-42 ...
8
votes
1answer
264 views
Is it possible to mass-save many lightning:recordEditForms with only ONE button?
Im implementing an line item editor for the "Order" SObject and want give lightning:recordEditForm with lightning:inputField a try for this.
What I have so far is an edit for the order combined with ...
2
votes
2answers
142 views
global scope where all components can access these values
I am writing an Lightning component where I am getting some values form Salesforce backend through Apex Controller.
I need these values to be referred across all other components (components which ...
0
votes
1answer
188 views
jQuery parseXML() no longer works since Summer '18
Since the Summer '18 patch the jQuery parseXML() is now throwing a "Invalid XML: .." error message. Sample code:
try{
var xml = "<node>test</node>";
var xmlDoc = $.parseXML(xml);
...
1
vote
0answers
29 views
Locker Service and passing the response from a server action into another namespace
For a little while, I've been using a generic Lightning component with an aura:method to handle server responses. It looks at response.getState() to see if there are any errors, and can then display ...
