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结合了 inject 的 computed。
import { computedInject } from '@base-web-kits/base-tools-vue'; import { provide, ref } from 'vue'; const key = Symbol('key'); const count = ref(0); provide(key, count); const injected = computedInject(key, (v) => v ? v.value * 2 : 0); ``` 示例代码
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