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What is wired property in lightning component?
Wiring a property is useful when you want to consume the data or error as-is. If the property decorated with @wire is used as an attribute in the template and its value changes, the wire service provisions the data and triggers the component to rerender. The property is private, but reactive.
How do you wire a lightning Web component?
To read Salesforce data, Lightning web components use a reactive wire service. Use @wire in a component’s JavaScript class to specify an Apex method. You can @wire a property or a function to receive the data. To operate on the returned data, @wire a function.
What is Property in LWC?
In LWC properties are similar to JavaScript properties. In js file of component you can declare your properties using camel casing and in your Html you can write same name using kebab casing called attribute this way both will be mapped to each other.
Why wire is used in LWC?
Lightning web components(LWC) use a reactive wire service, which is built on Lightning Data Service. Components use @wire in their JavaScript class to read data from one of the wire adapters in the lightning/ui*Apimodules and also to call the apex controller server-side methods using wire services.
How to wire a function in Lightning web component?
Here, the wire service either provides you with the list of account to the wiredAccounts.data property, or returns an error to the wiredAccounts.error property. Wire a function if you want to operate on the returned data.
When to use the @ wire property in Lightning?
@wire property is useful when you want to consume the data or an error. Let’s understand the usage of @wire with the help of the following example to understand @wire. Here, the wire service either provides you with the list of account to the wiredAccounts.data property, or returns an error to the wiredAccounts.error property.
How to read Salesforce data in Lightning web?
To read Salesforce data, Lightning web components use a reactive wire service. Use @wire in a component’s JavaScript class to specify an Apex method. You can @wire a property or a function to receive the data. To operate on the returned data, @wire a function.
How is wire service provisioned in Salesforce Lightning?
The wire service provisions the results to the wiredContacts() function via an object with either an error or data property. If the wire service provisions data, it’s assigned to this. contacts, which is used in the template. If it provisions error, it’s assigned to this. error, which is also used in the template.