Why do we call wire service reactive variable?
See Data Flow. We call the wire service reactive in part because it supports reactive variables, which are prefixed with $. If a reactive variable changes, the wire service provisions new data. We say “provisions” instead of “requests” or “fetches” because if the data exists in the client cache, a network request may not be involved.
What happens when a function is decorated with @ wire?
If a function is decorated with @wire, the results are returned in an object with a data property and an error property. Note The data property and the error property are hardcoded values in the API. You must use these values. Example To follow along with some code samples, see the lwc-recipes repo.
What happens when Wire Adapter is updated in renderedcallback?
Don’t update a wire adapter configuration object property in renderedCallback() as it can result in an infinite loop. propertyOrFunction —A private property or function that receives the stream of data from the wire service. If a property is decorated with @wire, the results are returned to the property’s data property or error property.
What are the naming conventions for wire adapters?
For fields, we use the naming convention FIELDNAME_FIELD. We use these naming conventions to make code easier to understand. They’re guidelines, not rules. This code imports the Account. Name field and uses it in a wire adapter’s configuration object. This code is almost identical, but it uses a string to identify the Account.
What happens if Wire Adapter property is undefined?
If a property is undefined, the wire service doesn’t provision data. Don’t update a wire adapter configuration object property in renderedCallback() as it can result in an infinite loop. propertyOrFunction —A private property or function that receives the stream of data from the wire service.
When to use wired property in Salesforce code?
For wired property usage, .data property of returned result should be used. Also, it is good practice to surround code which displays these data with tag to avoid displaying anything if data is not set. Thanks for contributing an answer to Salesforce Stack Exchange!