18 lines
474 B
TypeScript
18 lines
474 B
TypeScript
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import type { Ref } from 'vue';
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import { ref } from 'vue';
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export default function useState<T, R = Ref<T>>(
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defaultStateValue: T | (() => T),
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): [R, (val: T) => void] {
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const initValue: T =
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typeof defaultStateValue === 'function' ? (defaultStateValue as any)() : defaultStateValue;
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const innerValue = ref(initValue) as Ref<T>;
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function triggerChange(newValue: T) {
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innerValue.value = newValue;
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}
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return [innerValue as unknown as R, triggerChange];
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}
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