useProjection

从一个域到另一个域的反应式数字投影。

¥Reactive numeric projection from one domain to another.

示例

source

Projection from [0, 10] to [10, 100]

Input: 0

Output: 10

用法

¥Usage

import { useProjection } from '@vueuse/math'

const input = ref(0)
const projected = useProjection(input, [0, 10], [0, 100])

input.value = 5 // projected.value === 50
input.value = 10 // projected.value === 100

类型声明

/**
 * Reactive numeric projection from one domain to another.
 *
 * @see https://vueuse.org/useProjection
 */
export declare function useProjection(
  input: MaybeRefOrGetter<number>,
  fromDomain: MaybeRefOrGetter<readonly [number, number]>,
  toDomain: MaybeRefOrGetter<readonly [number, number]>,
  projector?: ProjectorFunction<number, number>,
): ComputedRef<number>

源代码

源代码 • 示例 • 文档

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