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import type { StoryObj } from '@storybook/web-components';
import { expect, within } from '@storybook/test';
import '../custom-element/custom-element.js';
type TProps = { title: string; tag: string; attributes: string; slot: string; payload:string; };
type Story = StoryObj<TProps>;
function render(args: TProps)
{
const { title, tag, attributes, slot, payload} = args;
return `
<fieldset>
<legend>${ title }</legend>
<custom-element
tag="${ tag }"
hidden
>
${ slot }
</custom-element>
<${ tag } ${attributes}>${ payload }</${ tag }>
</fieldset>
`;
}
const meta =
{ title: 'slots'
, render
};
export default meta;
export const Regular:Story =
{ args:
{ title: 'custom-element'
, tag: 'my-component'
, slot: `Hello World`
, payload: `🍋`
}
, play: async ({canvasElement}) =>
{
const titleText = Regular.args!.title as string;
const canvas = within(canvasElement);
await canvas.findByText(titleText);
const el = canvasElement;
expect(el.querySelectorAll('my-component').length).to.equal(1);
expect(el.querySelector('my-component').innerHTML).to.include(`Hello World`);
}
};
export const NamedSlot:Story =
{ args:
{ title: 'named slot'
, tag: 'dce-1-slot'
, slot: `<slot name="slot1"> 🥦</slot>`
, payload: `<i slot="slot1">🥕</i>`
}
, play: async ({canvasElement}) =>
{
const titleText = NamedSlot.args!.title as string;
const canvas = within(canvasElement);
await canvas.findByText(titleText);
const el = canvasElement;
expect(el.querySelectorAll('dce-1-slot').length).to.equal(1);
expect(el.querySelector('dce-1-slot').innerText).to.equal(`🥕`);
}
};
export const DoubleSlot:Story =
{ args:
{ title: 'same slot can be used multiple times in template'
, tag: 'dce-2-slots'
, slot: `<slot name="slot2"> 😃</slot> and again: <slot name="slot2"> 😃</slot>`
, payload: `<i slot="slot2">🥕</i>`
}
, play: async ({canvasElement}) =>
{
const titleText = DoubleSlot.args!.title as string;
const canvas = within(canvasElement);
await canvas.findByText(titleText);
const el = canvasElement;
expect(el.querySelectorAll('dce-2-slots').length).to.equal(1);
expect(el.querySelector('dce-2-slots').innerText).to.equal(`🥕 and again: 🥕`);
}
};
export const NamedUnnamedDefaultSlot:Story =
{ args:
{ title: 'named and un-named default slot'
, tag: 'dce-4-slot'
, slot: `#1 <slot name=""> 😃</slot> <br/>
#2 <slot> 😃</slot>`
, payload: `<i slot="">🥕</i>`
}
, play: async ({canvasElement}) =>
{
const titleText = NamedUnnamedDefaultSlot.args!.title as string;
const canvas = within(canvasElement);
await canvas.findByText(titleText);
const el = canvasElement;
expect(el.querySelectorAll('dce-4-slot').length).to.equal(1);
expect(el.querySelector('dce-4-slot').innerText).to.include(`#1 🥕`);
expect(el.querySelector('dce-4-slot').innerText).to.include(`#2 🥕`);
}
};
export const NamedDefaultSlot:Story =
{ args:
{ title: 'two named default slot'
, tag: 'dce-3-slot'
, slot: `#1 <slot name=""> 😃</slot> <br/>
#2 <slot name=""> 😃</slot>`
, payload: `<i slot="">🥕</i>`
}
, play: async ({canvasElement}) =>
{
const titleText = NamedDefaultSlot.args!.title as string;
const canvas = within(canvasElement);
await canvas.findByText(titleText);
const el = canvasElement;
expect(el.querySelectorAll('dce-3-slot').length).to.equal(1);
expect(el.querySelector('dce-3-slot').innerText).to.include(`#1 🥕`);
expect(el.querySelector('dce-3-slot').innerText).to.include(`#2 🥕`);
}
};
export const DefaultSlot:Story =
{ args:
{ title: 'default slot'
, tag: 'greet-element'
, slot: `<slot> Hello </slot> World!`
, payload: `👋`
}
, play: async ({canvasElement}) =>
{
const titleText = DefaultSlot.args!.title as string;
const canvas = within(canvasElement);
await canvas.findByText(titleText);
const el = canvasElement;
expect(el.querySelectorAll('greet-element').length).to.equal(1);
expect(el.querySelector('greet-element').innerText).to.include(`👋 World!`);
}
};
export const TemplateWithAttributesAndCondition:Story =
{ args:
{ title: '💪 DCE template'
, tag: 'pokemon-tile'
, attributes: ` title="bulbasaur" data-smile="👼" pokemon-id="1" `
, slot: `
<template>
<h3><value-of select="title"></value-of></h3> <!-- title is an attribute in instance
mapped into /*/attributes/title -->
<if test="//smile"> <!-- data-smile DCE instance attribute,
mapped into /*/dataset/smile
used in condition -->
<!-- data-smile DCE instance attribute, used as HTML -->
<div>Smile as: <value-of select="//smile"></value-of></div>
</if>
<!-- image would not be visible in sandbox, see live demo -->
<img src="https://unpkg.com/pokeapi-sprites@2.0.2/sprites/pokemon/other/dream-world/{pokemon-id}.svg" alt="{title} image">
<!-- image-src and title are DCE instance attributes,
mapped into /*/attributes/
used within output attribute via curly brackets -->
<!-- \`slot name=xxx\` replaced with elements with \`slot=xxx\` attribute -->
<p><slot name="description"><i>description is not available</i></slot></p>
<for-each select="//*[@pokemon-id]">
<!-- loop over payload elements with \`pokemon-id\` attribute -->
<button>
<img height="32"
src="https://unpkg.com/pokeapi-sprites@2.0.2/sprites/pokemon/other/dream-world/{@pokemon-id}.svg"
alt="{text()}"/>
<br/>
<value-of select='text()'/>
</button>
</for-each>
</template>
`
, payload: `<p slot="description">Bulbasaur is a cute Pokémon born with a large seed firmly affixed to its back;
the seed grows in size as the Pokémon does.</p>
<ul>
<li pokemon-id="2">ivysaur</li>
<li pokemon-id="3">venusaur</li>
</ul>
`
}
, play: async ({canvasElement}) =>
{
const titleText = TemplateWithAttributesAndCondition.args!.title as string;
const canvas = within(canvasElement);
await canvas.findByText(titleText);
const el = canvasElement;
expect(el.querySelectorAll('pokemon-tile').length).to.equal(1);
const p = el.querySelector('pokemon-tile');
expect(p.querySelector('img').src).to.equal('https://unpkg.com/pokeapi-sprites@2.0.2/sprites/pokemon/other/dream-world/1.svg');
expect(p.querySelector('h3').innerText).to.equal('bulbasaur');
expect(p.innerText).to.include('Smile as: 👼');
expect(p.querySelector('[slot="description"]').innerText).to.include('Bulbasaur is a cute Pokémon');
}
};
//#region unit tests
/* istanbul ignore else -- @preserve */
if( 'test' === import.meta.env.MODE &&
!import.meta.url.includes('skiptest') )
{
const mod = await import('./slots.test.stories.ts?skiptest');
const { testStoryBook } = await import('./testStoryBook')
const { describe } = await import('vitest')
describe(meta.title, () => testStoryBook( mod, meta ) );
}
//#endregion
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