17 lines
431 B
TypeScript
17 lines
431 B
TypeScript
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import { watchEffect, shallowRef } from 'vue';
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import type { ComputedRef } from 'vue';
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export declare type ComputedGetter<T> = (...args: any[]) => T;
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export default function eagerComputed<T>(fn: ComputedGetter<T>) {
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const result = shallowRef<T>();
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watchEffect(
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() => {
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result.value = fn();
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},
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{
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flush: 'sync', // needed so updates are immediate.
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},
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);
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return result as any as ComputedRef<T>;
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}
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