75 lines
2.2 KiB
JavaScript
75 lines
2.2 KiB
JavaScript
import Alpine from 'alpinejs'
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import { wait } from '@testing-library/dom'
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global.MutationObserver = class {
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observe() {}
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}
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test('$nextTick', async () => {
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document.body.innerHTML = `
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<div x-data="{foo: 'bar'}">
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<span x-text="foo" x-ref="span"></span>
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<button x-on:click="foo = 'baz'; $nextTick(() => {$refs.span.textContent = 'bob'})"></button>
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</div>
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`
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Alpine.start()
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expect(document.querySelector('span').textContent).toEqual('bar')
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document.querySelector('button').click()
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await wait(() => expect(document.querySelector('span').textContent).toEqual('bob'))
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})
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test('$nextTick waits for x-for to finish rendering', async () => {
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document.body.innerHTML = `
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<div x-data="{list: ['one', 'two'], check: 2}">
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<template x-for="item in list">
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<span x-text="item"></span>
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</template>
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<p x-text="check"></p>
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<button x-on:click="list = ['one', 'two', 'three']; $nextTick(() => {check = document.querySelectorAll('span').length})"></button>
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</div>
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`
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Alpine.start()
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expect(document.querySelector('p').textContent).toEqual('2')
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document.querySelector('button').click()
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await wait(() => { expect(document.querySelector('p').textContent).toEqual('3') })
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})
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test('$nextTick works with transition', async () => {
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jest.spyOn(window, 'requestAnimationFrame').mockImplementation((callback) => {
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setTimeout(callback, 10)
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})
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document.body.innerHTML = `
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<div x-data="{ show: false, loggedDisplayStyle: null }" x-init="$nextTick(() => { loggedDisplayStyle = document.querySelector('h1').style.display })">
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<h1 x-show="show" x-transition:enter="animation-enter"></h1>
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<h2 x-text="loggedDisplayStyle"></h2>
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<button @click="show = true; $nextTick(() => { loggedDisplayStyle = document.querySelector('h1').style.display })"
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</div>
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`
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Alpine.start()
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await wait(() => {
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expect(document.querySelector('h2').textContent).toEqual('none')
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})
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document.querySelector('button').click()
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await wait(() => {
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expect(document.querySelector('h2').textContent).toEqual('')
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})
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})
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