Questions tagged [array]

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votes
1answer
43 views

Convert string to list of String in Apex

I have string value : String x = '(My, Test Value, New Other, Value)'; Expected outcome or expected list of string is : list<string> NewList = new list<string>{'My, Test Value','New Other,...
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2answers
106 views

Unable to pass an array from parent LWC to child LWC setter method

Trying to pass a array value from parent component to child component using setter method in child LWC but empty value is being passed to child setter method. I am Using parent LWC as a quick action. ...
0
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1answer
40 views

Add JSON to array does not work in wire adapter

Here is a link to the code I have working: https://codepen.io/reuel3/pen/EMEGQy It works as expected there. I get an error message when attempting same thing in wire adapter function: [LWC component's ...
1
vote
1answer
116 views

Update Nested Array Object passed from Parent to Child in LWC

I have the below array which is being passed from other component. var myArray = [ { "Sequence": 1, "Value": 1, "sections": [ { ...
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2answers
64 views

Javascript error on push function LWC

I am getting below error: when I am trying to use push (function) to add array in another array. Javascript code : export default class CarDisplay extends LightningElement { @track carvalue; ...
0
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1answer
29 views

mapping a new array of objects results in undefined

I'm using this method: processPromotions(){ let promotionWithItem; this.allPromotions = this.sellerPromotions.map(promotion =>{ promotionWithItem = this.findPromotion(promotion, ...
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0answers
36 views

Iterating through a List and create another list

I'm trying to iterate through a list and create multiple records with it but I am not able to. The list is created and filled with the changeHandler event: if(event.target.name==='psProduct'){ ...
0
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1answer
41 views

Update value in Array

I have an array and I present the records using a template with for:each. How can I update the array values based on user input so that when I call the apex to insert, the updated values get passed? ...
-4
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2answers
177 views

JSON array into map with duplicate values [closed]

Final result when i tried the below code.
0
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0answers
26 views

Adding and removing objects by checking if it already exists

I am using a base component(datatable) of a managed package which has group-by option to display below data. [ { "callSubReason": "SubReason One one", ...
-1
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1answer
2k views

Adding a new key value pair in the JSON array [duplicate]

Hi I have a requirement in which i need to add a new key value pair in the JSON response, with the help of the for loop, kindly help me out for this below is my JSON: [ { "asdf&...
0
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1answer
36 views

filter out the particular complete set of object from an array in Lwc

I have incoming JSON object around 100 of records, I need to filter out about the particular category of object...for example if the cat is A then it should be added in my track property. below is my ...
0
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1answer
54 views

for loop pulling through Array in to table

I'm trying to build a loop that goes through a field that contains multiple labels and values, the outputs are not correct and I can't figure out why. can anyone help? %%[ SET @str = "label:a,...
0
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1answer
83 views

How to increase the list size on button click on lightning component?

Below is my code .please do let me know how to increase the size of the list on my component on button click? Right now it is replacing the previous value . I want to add the new value to the existing ...
0
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2answers
69 views

REST API remove contact from journey

I'm using this REST API JSON call to remove a subscriber from a journey: [ { "ContactKey": "0031xxxxxxxxxxxxxx", "DefinitionKey": "cexxxxxx-b20f-74ea-c67a-...
0
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1answer
38 views

When removing from array the wrong child component is removed

Sorry I wasn't sure how to phrase the title of this question. I have a parent component which populates an array cartItems populated with objects. For each object in the cartItems array a new ...
3
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1answer
591 views

Lightning Web Component Error: ['set' on proxy: trap returned falsish for property '0']

I am trying to build a cart where I add products to it and can then remove them. However on remove I receive the error ['set' on proxy: trap returned falsish for property '0']. In my component ...
0
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2answers
1k views

How to parse json response with multiple records and add it to list

I have a json response from third party system which is as below. { "returnCode": 600, "lineItems": [ { "id": 9762, ...
1
vote
1answer
67 views

Nested array/for loop

The code below is working so far. Now I added two fields to the visualforce page (selected_year_1 selected_year_2) where the user can select a year (2016/2017/2018...) for both fields. This years ...
1
vote
1answer
2k views

How to pass a mutable Array from Parent Component to Child Component in LWC

I want to pass an Array of Objects from a parent to child component. The child component will modify this array (but not perform a DML). This is what i tried somewhere in parent.js @track tempList = []...
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2answers
1k views

LWC JavaScript: Can't Add a Property to Objects While Looping through an Array of Those Objects

I'm trying to loop through an array of objects and add a property to each that meets certain criteria. Here's the snippet: onRecordEditFormLoad(event) { let tempFieldWrapperArray = this....
0
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1answer
281 views

Error: Invalid mutation: Cannot set [value] on [array]. [array] is read-only

I have lightning playground where I have an array and for each item in the array a simple component with a remove button displays. When you click the remove button the component should no longer ...
0
votes
1answer
92 views

Array Clear out in Javascript Lightning Web Component

In an Array multiple values(List) are coming and i need to clear out the particular list on the basis of a boolean value For example In Child Component two values are getting passed as below: <c-...
0
votes
1answer
15 views

Javascript filering not working when used with string of array

0 I am trying to filter a javascript array (json array) with the string array, and set it back in itself. I am using this code` var statusFilters = component.get("v.statusFilters"); console.log('...
0
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2answers
3k views

How to pass array to apex method in LWC

I am creating custom functionality of Adding opportunityLineItem in LWC. Once I input details and click 'Save' I am not able to pass string value or object value to Apex method. Throwing error. ({"...
1
vote
1answer
457 views

How to push data to a nested Object

I have table which has I'm iterating the Above Response to display the data in Table Format. Column 1 has Iteration Value Of timeSheetDate, Column 2 has nested data object as a fields. In column 2 ...
-2
votes
1answer
3k views

how to Create array in LWC [closed]

Can you Please help me how to Create array in LWC @track arraydata = []; let rtValues = Object.values(this.studentsData); for (let i = 0; i < rtValues.length; i++) { this....
0
votes
1answer
830 views

Record is not getting deleted from datatable in LWC

I am trying to delete a record based on the row selection in data table in LWC. So when a row is selected, the record Id is pushed to the array selectedIdsArray but I am trying to pass it to the Apex ...
2
votes
1answer
908 views

Unable to update tracked array in LWC

For some reason, the push in the code block below is not updating the array. The console.log statement displays the array with 0 elements. I created a local array variable and pushed to it with no ...
0
votes
1answer
56 views

Building out a multi-dimensional array / list for an update statement

I have a contact list I am looping over and one of the fields in the contact object holds 1 or more contactIDs in a delimited list using a carriage return. Standard Contact Object: ContactId: ...
0
votes
1answer
427 views

In JS of LWC, line after forEach statement does not execute

I have below Javascript function in lwc apexJobInfoData; @track isBatch; getData({ error, data }) { if (error) { // TODO: handle error } else if (data) { this.jobId = ...
0
votes
1answer
278 views

Why cant I print out my array of objects in SSJS

I am trying to prepare a list of objects that I am pushing to another service, I have generated a list of objects that need to be sent. For some reason I cannot stringify the array. This is my code: ...
0
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0answers
29 views

How to handle both a single item and an array for the same property [duplicate]

I have an incoming JSON payload that with the parameter device_config. This parameter might be, at times, sent as an array of strings or a string. How would I handle this parameter when its being sent ...
1
vote
1answer
244 views

Binding array nested in a map to a lightning input component not working as expected

I have a component attribute which is as follows: <aura:attribute name="variants" type="Map" default="{names: ['Tom', 'Dick', Harry']}" /> The array in the map is used in lightning input ...
1
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1answer
1k views

Aura Component Lists and Javascript Arrays

I've recently noticed that if I set an aura:attribute of type "List" from a Javascript array, then later retrieve that same attribute value via component.get("v.myListAttribute"), ...
-1
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1answer
41 views

calculate the total of a variable based on another variable in JS controller lightning

finalMap=[{"key":"OTC","subprocessName":"CXO","weightage":50}, {"key":"OTC","subprocessName":"Order Management","weightage":50}, {"key":"RTR","subprocessName":"Fixed Asset Accounting","weightage":20}, ...
-2
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1answer
189 views

Convert string representation of array to Apex Array

*Edited to correct JSON string I have a string which looks like: "[[[1,2],[3,4],[5,6]]]" I need to convert it to Apex array like: [[[1,2],[3,4],[5,6]]] Using JavaScript I am able to simply pass ...
2
votes
1answer
2k views

How to add a string value to string array lightning component

I am fetching some recordtype values as a string array. I want to add the string -- None-- to the array so its obvious nothing is selected by default. How do I achieve this. I tried the following but ...
0
votes
2answers
554 views

apex add list to list

I have this code: String cantidad; String total; List<List<String>> pList = new List<List<String>>(); List<String> lstStr = new List<String>(); List<...
0
votes
1answer
226 views

Unable to read Array from Postman app into Email

I am trying to read the array values from API payload which i am testing via POSTMAN app and content-type is application/json. I am able to capture the values of all the rest attributes defined in my ...
6
votes
1answer
1k views

Array.push() on a @tracked array doesn't cause component refresh in lightning-accordion in LWC

This may be a duplicate of Array.push() won't update Lightning Web Component View However, that is for an @wire case, while this is for lightning-accordion. I am attempting to use the lightning-...
0
votes
1answer
143 views

Updating an array in controller to store user input from Visualforce page

I need to store input from user in controller so it can be used for calculations. To do this I am using an array, to get input in the controller. But getting issue: Subscript is invalid because list ...
0
votes
1answer
34 views

How to create a bidimensional array of Strings and acces it

I'm building a trigger that everytime a Campaign Member is added , Salesforce sends an email to the Owner of the Account where the Contact Lives that a Campaign Member is added. Due to Salesforce ...
0
votes
1answer
223 views

how to ignore comma in string array in apex

I have this String Array [Burlington Textiles Weaving Plant Generator,Tim,Barr,"1,056.00",Burlington Textiles Corp of America]; How can I Ignore that Amount comma inside the " " .
7
votes
1answer
14k views

Array.push() won't update Lightning Web Component View [duplicate]

We are migrating over to Lightning Web Components in the last couple of weeks now and we had some struggles with the arrays in Javascript. On a trackable array, when I call push in a wiredMethod, ...
1
vote
1answer
4k views

Lightning web component object reference

I've seen many examples with primitive data types, but I've been trying to propagate array down to my children component and encountered some problems. My parent component looks like this: <...
0
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2answers
280 views

Adding an element in object JavaScript

My Question is am displaying the records in Table format and there is a NEW button when it's pressed want to create a new row at the top. With all the fields empty. Here doc contains the record ...
-4
votes
2answers
134 views

how to sort array values in desending order based on numbers [closed]

Please help me to sort this values in dessending order Iam getting related version in below array: for(var j=0;j<prodVersions.length;j++) { component.set("v.prodVersion",...
2
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3answers
1k views

How to pass dynamic arrays in Lightning

I'm not able to pass a dynamic string array into a component without using java script. Example: values="{!v.foo + ',bar'}". In this example, the (expected) array seems to be passed as a String. I ...
0
votes
2answers
1k views

Delete an array element using event.getSource().get(“v.name”)

I try to get index, but it's always -1. JS: close : function(component, event, helper) { let vacancies = component.get("v.vacancies"); //an array let vacancy = event.getSource().get("v.name"...