useEyeDropper

類別

瀏覽器

導出大小

283 B

上次變更

3 週前

響應式 EyeDropper API

範例

原始碼

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用法

import { useEyeDropper } from '@vueuse/core'

const { isSupported, open, sRGBHex } = useEyeDropper()

元件用法

此函數也透過 @vueuse/components 套件提供無渲染元件版本。瞭解更多關於用法的資訊。

vue

<template>
  <UseEyeDropper v-slot="{ isSupported, sRGBHex, open }">
    <button :disabled="!isSupported" @click="open">
      sRGBHex: {{ sRGBHex }}
    </button>
  </UseEyeDropper>
</template>

類型宣告

typescript

export interface EyeDropperOpenOptions {
  /**
   * @see https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal
   */
  signal?: AbortSignal
}
export interface EyeDropper {
  new (): EyeDropper
  open: (options?: EyeDropperOpenOptions) => Promise<{
    sRGBHex: string
  }>
  [Symbol.toStringTag]: "EyeDropper"
}
export interface UseEyeDropperOptions {
  /**
   * Initial sRGBHex.
   *
   * @default ''
   */
  initialValue?: string
}
/**
 * Reactive [EyeDropper API](https://developer.mozilla.org/en-US/docs/Web/API/EyeDropper_API)
 *
 * @see https://vueuse.dev.org.tw/useEyeDropper
 */
export declare function useEyeDropper(options?: UseEyeDropperOptions): {
  isSupported: ComputedRef<boolean>
  sRGBHex: ShallowRef<string, string>
  open: (openOptions?: EyeDropperOpenOptions) => Promise<
    | {
        sRGBHex: string
      }
    | undefined
  >
}
export type UseEyeDropperReturn = ReturnType<typeof useEyeDropper>