49 lines
1.3 KiB
TypeScript
49 lines
1.3 KiB
TypeScript
/*
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* Copyright (c) 2024 Huawei Technologies Co.,Ltd.
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*
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* openInula is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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*
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* http://license.coscl.org.cn/MulanPSL2
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*
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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import { reactive, computed, untrack, watch } from '../src';
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describe('untrack', () => {
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it('should work in computed', () => {
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const a = reactive(7);
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const b = reactive(1);
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const product = computed(() => {
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return a.get() + untrack(() => b.get());
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}, false);
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expect(product.get()).toBe(8);
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b.set(2);
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expect(product.get()).toBe(8);
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a.set(8);
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expect(product.get()).toBe(10);
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});
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it('should work in watch', () => {
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const a = reactive(7);
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const b = reactive(1);
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const fn = jest.fn();
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watch(() => {
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fn(a.get() + untrack(() => b.get()));
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});
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expect(fn).toBeCalledTimes(1);
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b.set(2);
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expect(fn).toBeCalledTimes(1);
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a.set(8);
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expect(fn).toBeCalledTimes(2);
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expect(fn).toBeCalledWith(10);
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});
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});
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