custom-data.spec.js

import { haveText, html, test } from '../utils'

test('can register custom data providers',
    html`
        <script>
            document.addEventListener('alpine:init', () => {
                Alpine.data('test', () => ({
                    foo: 'bar'
                }))
            })
        </script>

        <div x-data="test">
            <span x-text="foo"></span>
        </div>
    `,
    ({ get }) => get('span').should(haveText('bar'))
)

test('can accept initial params',
    html`
        <script>
            document.addEventListener('alpine:init', () => {
                Alpine.data('test', (first, second) => ({
                    foo: first,
                    bar: second,
                }))
            })
        </script>

        <div x-data="test('baz', 'bob')">
            <h1 x-text="foo"></h1>
            <h2 x-text="bar"></h2>
        </div>
    `,
    ({ get }) => {
        get('h1').should(haveText('baz'))
        get('h2').should(haveText('bob'))
    }
)

test('can spread together',
    html`
        <script>
            document.addEventListener('alpine:init', () => {
                Alpine.data('test', (first) => ({
                    foo: first,
                }))

                Alpine.data('test2', (second) => ({
                    bar: second,
                }))
            })
        </script>

        <div x-data="{ ...test('baz'), ...test2('bob') }">
            <h1 x-text="foo"></h1>
            <h2 x-text="bar"></h2>
        </div>
    `,
    ({ get }) => {
        get('h1').should(haveText('baz'))
        get('h2').should(haveText('bob'))
    }
)

test('init functions inside custom datas are called automatically',
    html`
        <script>
            document.addEventListener('alpine:init', () => {
                Alpine.data('test', () => ({
                    init() {
                        this.foo = 'baz'
                    },

                    foo: 'bar'
                }))
            })
        </script>

        <div x-data="test">
            <span x-text="foo"></span>
        </div>
    `,
    ({ get }) => {
        get('span').should(haveText('baz'))
    }
)

test('init functions "this" context is reactive',
    html`
        <script>
            document.addEventListener('alpine:init', () => {
                Alpine.data('test', () => ({
                    init() {
                        window.addEventListener('click', () => {
                            this.foo = 'baz'
                        })
                    },

                    foo: 'bar'
                }))
            })
        </script>

        <div x-data="test">
            <span x-text="foo"></span>

            <button>click me</button>
        </div>
    `,
    ({ get }) => {
        get('span').should(haveText('bar'))
        get('button').click()
        get('span').should(haveText('baz'))
    }
)

test('init functions have access to the parent scope',
    html`
        <script>
            document.addEventListener('alpine:init', () => {
                Alpine.data('parent', () => ({
                    foo: 'bar',
                }))

                Alpine.data('child', () => ({
                    init() {
                        this.$el.textContent = this.foo
                    },
                }))
            })
        </script>

        <div x-data="parent">
            <p x-data="child"></p>
        </div>
    `,
    ({ get }) => {
        get('p').should(haveText('bar'))
    }
)

test('destroy functions inside custom datas are called automatically',
    html`
        <script>
            document.addEventListener('alpine:init', () => {
                Alpine.data('test', () => ({
                    destroy() {
                        document.querySelector('span').textContent = 'foo'
                    },
                    test() {
                        Alpine.closestRoot(this.$el).remove()
                    }
                }))
            })
        </script>

        <div x-data="test">
            <button x-on:click="test()"></button>
        </div>
        <span></span>
    `,
    ({ get }) => {
        get('button').click()
        get('span').should(haveText('foo'))
    }
)

test('destroy have access to the current scope',
    html`
        <script>
            document.addEventListener('alpine:init', () => {
                Alpine.data('test', () => ({
                    destroy() {
                        document.querySelector('span').textContent = this.foo
                    },
                    test() {
                        Alpine.closestRoot(this.$el).remove()
                    },
                    foo: 'bar'
                }))
            })
        </script>

        <div x-data="test">
            <button x-on:click="test()"></button>
        </div>
        <span>baz</span>
    `,
    ({ get }) => {
        get('span').should(haveText('baz'))
        get('button').click()
        get('span').should(haveText('bar'))
    }
)