Web Components Nested Slots

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Web Components Nested Slots

In this tutorial, we will implement this dropdown component step by step from scratch with Web Components. Afterward, you can continue using it across your application, make it an open source web component to install it somewhere else, or use a framework like React to build upon a solid foundation of Web Components for your React application. Blackjack roofing tar home depot. Philadelphia casino shows.
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Web Components Nested Slots Folders
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Components have many aspects that count as part of their API, including things that you might not think of as part of the API. Attributes can be described concisely with example markup. If one component is designed to be nested inside another one, show it being used in that context. List its JavaScript methods and properties. List its events.
Previous Web Components. Hierarchical Menu button. Nested Web Components. Slotting; Subproperties; Template Slots; Wrapping JET Slot Components; Responsive.
With Shadow DOM, we can create Web Components that are a composition between the component's internals and elements provided at author-time by the user of the custom element.
Snuggsi — Easy Web Components in 1kB Including polyfill — All you need is a browser and basic understanding of HTML, CSS, and JavaScript classes to be productive. Slim.js — Open source web components library — a high-performant library for rapid and easy component authoring; extensible and pluggable and cross-framework compatible.
 App.vue 
<template>
 <manage-listsv-model='items'>
 <templatescope='{ item: user }'>
 {{ user.firstName }} {{ user.lastName }}
 template>
 manage-lists>
template>
<script>
exportdefault {
 components: {
 ManageLists
 },
data() {
return {
 items: [
 { firstName:'John', lastName:'Doe' },
 { firstName:'Renae', lastName:'McGillicuddy' }
 ]
 };
 }
 }
script>
 ManageLists.vue 
<template>
 <div>
 <token-list :value='items' @input='forwardInput'>
 <templatescope='props'>
 <slotv-bind='props'>slot>
 template> 
 token-list>
 <formclass='form' @submit.prevent='handleAdd'>
 <inputtype='text'placeholder='New Item'v-model='newItem'ref='newItem' />
 <buttontype='submit'>Add Itembutton>
 form>
 div>
template>
<script>
importTokenListfrom'./TokenList';
exportdefault {
 props: {
 value: {
 type:Array,
default() {
return [];
 }
 }
 },
 components: {
 TokenList
 },
 methods: {
handleAdd() {
this.$emit( 'input', this.value.concat( this.newItem ) );
this.newItem='';
this.$refs.newItem.focus();
 },
forwardInput( payload ) {
this.$emit( 'input', payload );
 }
 }
 }
script>
 TokenList.vue 
Web Components Nested Slots Folders<template>
 <divclass='token-list clearfix'>
 <divv-for='( item, index ) in value'class='token-item'>
 <slot :item='item' :index='index'>
 <span>{{ item }}span>
 <buttontype='button' @click='remove( index )'>×button>
 slot>
 div>
 div>
template>
<script>
exportdefault {
 props: {
 value: {
 required:true
 }
 }
 methods: {
remove( index ) {
this.$emit( 'input', [
..this.value.slice( 0, index ),
..this.value.slice( index +1 )
 ] );
 }
 }
 }
script>
Web Components Nested Slots C++Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment
 schedule.vue 
<template>
 <divclass='container'style='margin-top: 5rem;'>
 <divclass='row'>
 <divclass='col-md-6 offset-md-3'>
 <ToDoList :items='items'>
 <templatev-slot:todo-item-after='{ item }'>
 <iv-if='isFinished(item)'class='fas fa-check' />
 template>
 ToDoList>
 div>
 div>
 div>
template>
<script>
importToDoListfrom'~/components/ToDoList'
import_from'lodash'
exportdefault {
 components: { ToDoList },
data() {
return {
 items: [
 { id:1, title:'todo item 1' },
 { id:2, title:'todo item 2' },
 { id:3, title:'todo item 3' },
 { id:4, title:'todo item 4' }
 ],
 finished: [ 1, 2 ]
 }
 },
 methods: {
isFinished(item) {
return_.includes(this.finished, item.id)
 }
 }
}
script>
 TodoItem.vue 

<template>
 <li>
 <spanclass='text-muted mr-1'>{{ item.id }}.span> {{ item.title }}
 <slotname='after' :item='item' />
 li>
template>
<script>
exportdefault {
 props: [ 'item' ]
}
script>
Web Components Nested Slots Software TodoList.vue 
Web Components Nested Slots Machines<template>
 <ul>
 <ToDoItemv-for='item in items' :key='item.id' :item='item'>
 <templatev-slot:after='{ item }'>
 <slotname='todo-item-after' :item='item' />
 template>
 ToDoItem>
 ul>
template>
<script>
importToDoItemfrom'./ToDoItem'
exportdefault {
 components: { ToDoItem },
 props: [ 'items' ]
}
script>
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