Accessor

Type Alias: Accessor<T>

type Accessor<T> = T | () => T;

type Accessor<T> = T | () => T;

A value that can be passed directly or read from a zero-argument getter.

Lit Query APIs read function accessors during host updates, so the getter can depend on reactive host state.

const staticKey: Accessor<readonly unknown[]> = ['todos']
const reactiveKey: Accessor<readonly unknown[]> = () => ['todos', this.userId]

const staticKey: Accessor<readonly unknown[]> = ['todos']
const reactiveKey: Accessor<readonly unknown[]> = () => ['todos', this.userId]