For questions about Lightning Web Components (LWC) - the UI framework for the Salesforce platform. When using this tag also include the more generic [salesforce] tag.
Questions tagged [lwc]
503 questions
0
votes
1 answer
Update Information Using DML in Aura
I've been training Lightning Components by myself and I'm creating a modal that shows the user a video. The user has the option to tick a checkbox which prevents the modal to show up again. My question is: how can I change the value from an object…
Guilherme Brito
- 1
- 1
0
votes
1 answer
Salesforce LWC Uncaught (in promise) TypeError: Cannot read property 'Symbol(ViewModel)' of undefined
I am getting this error when running a Salesforce scratch org application;
aura_proddebug.js:274 Uncaught (in promise) TypeError: Cannot read property 'Symbol(ViewModel)' of undefined
at getInternalField (aura_proddebug.js:274)
at Object.update…
John Mutuma
- 3,150
- 2
- 18
- 31
0
votes
0 answers
Unable to test setter/getter method inside of LWC using jest testing framework
I am trying to test LWC components.js using jest. There is a setter method(Step) inside of the LWC components js file, but I am unable to test the setter method. I tried the solution using mock that the jest provided for the setter method.
Another…
Shailendra Modi
- 41
- 3
0
votes
1 answer
Issue with lightning carousel
I am facing some issues with a lightning carousel that I am building in lwc like it is showing only 5 to 6 images inside the carousel and remaining are not showing up. If there is any limitation for the number of images could you please suggest the…
SF_32
- 1
- 1
-1
votes
1 answer
What should I Do ? the Salesforce LWC components continously showing this error
**This is An Apex Class Calling From Parent JS.
public with sharing class accountProvider {
@AuraEnabled
public static List searchContact(Account objAcc){
Id accId = [select Id,Name from Account where Name =:…
-1
votes
1 answer
LWC1058: Invalid HTML syntax: unexpected-equals-sign-before-attribute-name
I'm not a developer and I'm trying to get chatGPT to write me a Lightning Web Component (LWC) on Salesforce. I've managed to get a few things done, but I'm stuck on a problem that I can't seem to understand.
My issue seems to be that all the IF…
Malo Lesegretain
- 1
- 1
-1
votes
1 answer
Illegal assignment from List to Map
Illegal Asiignment From List To Map
Please Help Me On This Error
PasiMuthyala07
- 1
- 1
-1
votes
2 answers
Arrow function and Promises in Lightning Web Components
I have seen many examples of Promises but not able to understand meaning of
"xyz(()=>{"
in codes. Sometimes there are two equal signs in same line. Please help me understand. Also, along with that please drop a link from where I can easily learn…
-1
votes
1 answer
vsCode can't retrieve/deploy anything
Working with Salesforce, org is authorised, everything works fine until it doesn't and there's no error code or anything.
In the morning I retrieved a few files I had to change, 10 minutes later when I needed to retrieve another one, it kept…
Francesco Ghiselli
- 1
- 1
- 1
-1
votes
1 answer
How to display Map's list value based on 1 key in Apex Salesforce?
Hello beautiful people,
I have a scenario where I am defining a Map with string key and a list. Now, I want to put values in a list one by one and also display them using the single Key. Example code -
Map> accountMap = new…
Praveen Behera
- 444
- 2
- 8
- 17
-1
votes
1 answer
How to create popup in lightning web component
Page which will display New Milestone popup in the org, there should be one button for Add new milestone. On click of this button, popup will ask for milestone details and after click on save button this new milestone details will add to…
Kavita
- 1
- 1
-1
votes
1 answer
How to overlap a picklist field dropdown over a lightning card in LWC?
I have tried inserting the below css,
.table-responsive,
.dataTables_scrollBody {
overflow: visible !important;
}
But still it does not work.
When i use a dropdown picklist field over a modal, the below css helps, but not in lightning…
Bikash Sahoo
- 1
- 1
-1
votes
1 answer
I need to compare two dates and display a icon based on the comparison out come. But the if condition is failing and i get only else outcome
connectedCallback()
{
var q = new Date();
var m = q.getMonth()+1; //january is 0!
var d = q.getDay();
var y = q.getFullYear();
//var date = new Date(y,m,d);
var formattedDate = new Date(y,m,d);
…
malik ambar
- 1
- 1
-1
votes
1 answer
Differentiating Types of API (Apex) Exceptions In JavaScript Try/Catch
In a Lightning Web Component, I'm making an API call to an Apex method, which can throw an exception. Currently, in the catch block, there's code checking for a specific string in the exception, b/c if it's a certain type of exception we want to…
jbyrd
- 5,287
- 7
- 52
- 86
-1
votes
1 answer
LWC :how can i display the list of Objects in a drop down list and when we select an objects it should display it fields
Lightning web Components to display list of Objects in a drown list. and display fields of selected objects
