README

<lite-youtube>

A web component that renders YouTube embeds faster. The ShadowDom web component version of Paul's lite-youtube-embed.

Features

No dependencies; it's just a vanilla web component.
It's fast yo.
It's Shadow Dom encapsulated!
It's responsive 16:9
It's accessible via keyboard and will set ARIA via the videotitle attribute
It's locale ready; you can set the videoplay to have a properly locale based label
Set the start attribute to start at a particular place in a video
You can set autoload to use Intersection Observer to load the iframe when scrolled into view.
Loads placeholder image as WebP with a Jpeg fallback
new in v1.1: Adds nocookie attr for use with use youtube-nocookie.com as iframe embed uri
new in v1.2: Adds playlistid for playlist loading interface support
new in v1.3: Adds loading=lazy to image placeholder for more perf with posterloading attr if you'd like to use eager

Install

This web component is built with ES modules in mind and is available on NPM:

Install code-block:

npm i @justinribeiro/lite-youtube
# or
yarn add @justinribeiro/lite-youtube

After install, import into your project:

import '@justinribeiro/lite-youtube';

Install with CDN

If you want the paste-and-go version, you can simply load it via CDN:

<script type="module" src="https://cdn.jsdelivr.net/npm/@justinribeiro/lite-youtube@1.3.1/lite-youtube.js"></script>

Basic Usage

<lite-youtube videoid="guJLfqTFfIw"></lite-youtube>

Add Video Title

<lite-youtube
  videoid="guJLfqTFfIw"
  videotitle="This is a video title"
></lite-youtube>

Change "Play" for Locale

<lite-youtube
  videoid="guJLfqTFfIw"
  videoplay="Mirar"
  videotitle="Mis hijos se burlan de mi español"
>
</lite-youtube>

Style It

Height and Width are responsive in the component.

<style>
  .styleIt {
    width: 400px;
    margin: auto;
  }
</style>
<div class="styleIt">
  <lite-youtube videoid="guJLfqTFfIw"></lite-youtube>
</div>

Set a video start time

<!-- Start at 5 seconds -->
<lite-youtube videoid="guJLfqTFfIw" videoStartAt="5"></lite-youtube>

AutoLoad with IntersectionObserver

Uses Intersection Observer if available to automatically load the YouTube iframe when scrolled into view.

<lite-youtube videoid="guJLfqTFfIw" autoload> </lite-youtube>

YouTube QueryParams

Use any YouTube Embedded Players and Player Parameters you like

<lite-youtube videoid="guJLfqTFfIw" params="controls=0&enablejsapi=1">
</lite-youtube>

Attributes

The web component allows certain attributes to be give a little additional flexibility.

Name	Description	Default
`videoid`	The YouTube videoid	``
`playlistid`	The YouTube playlistid; requires a videoid for thumbnail	``
`videotitle`	The title of the video	`Video`
`videoplay`	The title of the play button (for translation)	`Play`
`videoStartAt`	Set the point at which the video should start, in seconds	`0`
`posterquality`	Set thumbnail poster quality (maxresdefault, sddefault, mqdefault, hqdefault)	`hqdefault`
`posterloading`	Set img lazy load attr `loading` for poster image	`lazy`
`nocookie`	Use youtube-nocookie.com as iframe embed uri	`false`
`autoload`	Use Intersection Observer to load iframe when scrolled into view	`false`
`params`	Set YouTube query parameters	``

Events

The web component fires events to give the ability understand important lifecycle.

Event Name	Description	Returns
`liteYoutubeIframeLoaded`	When the iframe is loaded, allowing us of JS API	`detail: { videoId: this.videoId }`

Usage no npm install needed!