useCssVar
Manipulate CSS variables
Usage
import { useCssVar } from '@vueuse/core'
import { useTemplateRef } from 'vue'
const el = useTemplateRef('el')
const color1 = useCssVar('--color', el)
const elv = useTemplateRef('elv')
const key = ref('--color')
const colorVal = useCssVar(key, elv)
const someEl = useTemplateRef('someEl')
const color2 = useCssVar('--color', someEl, { initialValue: '#eee' })Type Declarations
export interface UseCssVarOptions extends ConfigurableWindow {
initialValue?: string
/**
* Use MutationObserver to monitor variable changes
* @default false
*/
observe?: boolean
}
/**
* Manipulate CSS variables.
*
* @see https://vueuse.org/useCssVar
* @param prop
* @param target
* @param options
*/
export declare function useCssVar(
prop: MaybeRefOrGetter<string | null | undefined>,
target?: MaybeElementRef,
options?: UseCssVarOptions,
): ShallowRef<string | undefined, string | undefined>