useCached
Cache a ref with a custom comparator.
Package: @vueuse/core
Category: Utilities
Usage
import { useCached } from '@vueuse/core'
import { shallowRef } from 'vue'
interface Data {
value: number
extra: number
}
const source = shallowRef<Data>({ value: 42, extra: 0 })
const cached = useCached(source, (newSourceValue, cachedValue) => newSourceValue.value === cachedValue.value)
source.value = {
value: 42,
extra: 1,
}
console.log(cached.value) // { value: 42, extra: 0 }
source.value = {
value: 43,
extra: 1,
}
console.log(cached.value) // { value: 43, extra: 1 }