Posts

Showing posts with the label wire

A - Z Guide to Using the Wire Decorator in LWC Salesforce

Image
Certainly! In Salesforce Lightning Web Components, the "wire service" is a feature that brings data to your component. Imagine this data as a never-ending river of information, and each piece of information in this river is like an updated version of the one before it. What's special is that once you receive a piece of data, it's like taking a snapshot in time; you can't change it. Instead, as new data becomes available, it replaces the previous one in the stream. This way, your component always has the latest and most up-to-date information without you having to constantly ask for updates. It's like having a continuous flow of fresh data at your fingertips. Syntax // Wire to a property @wire (methodName, {parameterName: '$value'}) result; // Wire to a function @wire (methodName, {parameterName : value}) callbackFtn(result) { const {data, error} = result; if(data) { // Add logic }   else if(error) {} } When you should use wire to function when ...

Leveraging Object and Field References in LWC Wire Adapters

Image
When utilizing a wire adapter, it is strongly advised to import references to fields and objects in a lightning/ui*Api module. Salesforce verifies the validity of the fields and objects, prevents their removal, and propagates any rename modifications into your component's source code. It also ensures that dependent objects and fields are included in change sets and packages. If references to objects and fields are imported, your code will still work even if their names change in salesforce.  Lightning Web Components supports the import of references to standard objects, as well as the import of references to custom objects (__c) only. To import a reference to an object, use this syntax . import objectName from "@salesforce/schema/object"; import objectName from "@salesforce/schema/namespace__object"; import FIELD_NAME from "@salesforce/schema/object.field"; Example: import ACCOUNT_OBJECT from "@salesforce/schema/Account"; import ACCOUNT_NAME_...