From 3bd434068211931fa7e2af2380706962a743a846 Mon Sep 17 00:00:00 2001 From: Sam Carlton Date: Sat, 15 May 2021 13:11:07 -0500 Subject: [PATCH] Add basic player component --- components-eleventy/video/player.js | 51 +++++++++++++ helpers/lite-youtube.js | 107 ++++++++++++++++++++++++++++ pages-eleventy/tv.11ty.js | 16 ++--- 3 files changed, 165 insertions(+), 9 deletions(-) create mode 100644 components-eleventy/video/player.js create mode 100644 helpers/lite-youtube.js diff --git a/components-eleventy/video/player.js b/components-eleventy/video/player.js new file mode 100644 index 0000000..b505a23 --- /dev/null +++ b/components-eleventy/video/player.js @@ -0,0 +1,51 @@ +export default async function ( video, options = {} ) { + const { + width = '325px', + classes = 'w-full flex-shrink-0 flex-grow-0 border-2 border-transparent rounded-2xl overflow-hidden' + } = options + + // Setup inline player script + await this.usingComponent( 'node_modules/can-autoplay/build/can-autoplay.min.js' ) + + await this.usingComponent( 'helpers/lite-youtube.js' ) + + // Setup inline lazysizes + await this.usingComponent( 'node_modules/lazysizes/lazysizes.min.js' ) + + // console.log('video', video) + + return /* html */` + +
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+ + ` +} diff --git a/helpers/lite-youtube.js b/helpers/lite-youtube.js new file mode 100644 index 0000000..29639cc --- /dev/null +++ b/helpers/lite-youtube.js @@ -0,0 +1,107 @@ +// https://github.com/paulirish/lite-youtube-embed/blob/master/src/lite-yt-embed.js + +// import canAutoPlay from 'can-autoplay' + + +/** + * A lightweight youtube embed. Still should feel the same to the user, just MUCH faster to initialize and paint. + * + * Thx to these as the inspiration + * https://storage.googleapis.com/amp-vs-non-amp/youtube-lazy.html + * https://autoplay-youtube-player.glitch.me/ + * + * Once built it, I also found these: + * https://github.com/ampproject/amphtml/blob/master/extensions/amp-youtube (๐Ÿ‘๐Ÿ‘) + * https://github.com/Daugilas/lazyYT + * https://github.com/vb/lazyframe + */ +class LiteYTEmbed extends HTMLElement { + constructor() { + // Always call super first in constructor + super() + + // write element functionality in here + + // console.log('canAutoplay', canAutoplay) + + } + + connectedCallback() { + this.videoId = this.getAttribute('videoid') + + console.log('canAutoplay from connectedCallback', canAutoplay) + + // On hover (or tap), warm up the TCP connections we're (likely) about to use. + this.addEventListener('pointerover', LiteYTEmbed.warmConnections, {once: true}) + + // Once the user clicks, add the real iframe and drop our play button + // TODO: In the future we could be like amp-youtube and silently swap in the iframe during idle time + // We'd want to only do this for in-viewport or near-viewport ones: https://github.com/ampproject/amphtml/pull/5003 + this.addEventListener('click', e => this.addIframe()) + } + + // // TODO: Support the the user changing the [videoid] attribute + // attributeChangedCallback() { + // } + + /** + * Add a to the head + */ + static addPrefetch(kind, url, as) { + const linkEl = document.createElement('link') + linkEl.rel = kind + linkEl.href = url + if (as) { + linkEl.as = as + } + document.head.append(linkEl) + } + + /** + * Begin pre-connecting to warm up the iframe load + * Since the embed's network requests load within its iframe, + * preload/prefetch'ing them outside the iframe will only cause double-downloads. + * So, the best we can do is warm up a few connections to origins that are in the critical path. + * + * Maybe `` would work, but it's unsupported: http://crbug.com/593267 + * But TBH, I don't think it'll happen soon with Site Isolation and split caches adding serious complexity. + */ + static warmConnections() { + if (LiteYTEmbed.preconnected) return + + // The iframe document and most of its subresources come right off youtube.com + LiteYTEmbed.addPrefetch('preconnect', 'https://www.youtube-nocookie.com') + // The botguard script is fetched off from google.com + LiteYTEmbed.addPrefetch('preconnect', 'https://www.google.com') + + // Not certain if these ad related domains are in the critical path. Could verify with domain-specific throttling. + LiteYTEmbed.addPrefetch('preconnect', 'https://googleads.g.doubleclick.net') + LiteYTEmbed.addPrefetch('preconnect', 'https://static.doubleclick.net') + + LiteYTEmbed.preconnected = true + } + + addIframe() { + const params = new URLSearchParams(this.getAttribute('params') || []) + params.append('autoplay', '1') + + const iframeEl = document.createElement('iframe') + iframeEl.width = 560 + iframeEl.height = 315 + // No encoding necessary as [title] is safe. https://cheatsheetseries.owasp.org/cheatsheets/Cross_Site_Scripting_Prevention_Cheat_Sheet.html#:~:text=Safe%20HTML%20Attributes%20include + iframeEl.title = this.playLabel + iframeEl.allow = 'accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture' + iframeEl.allowFullscreen = true + // AFAIK, the encoding here isn't necessary for XSS, but we'll do it only because this is a URL + // https://stackoverflow.com/q/64959723/89484 + iframeEl.src = `https://www.youtube-nocookie.com/embed/${encodeURIComponent(this.videoId)}?${params.toString()}` + this.append(iframeEl) + + this.classList.add('lyt-activated') + + // Set focus for a11y + this.querySelector('iframe').focus() + } +} +// Register custom element +window.customElements.define('lite-youtube', LiteYTEmbed) diff --git a/pages-eleventy/tv.11ty.js b/pages-eleventy/tv.11ty.js index 68e3b6d..7e007f1 100644 --- a/pages-eleventy/tv.11ty.js +++ b/pages-eleventy/tv.11ty.js @@ -2,7 +2,9 @@ import dotenv from 'dotenv' import config from '../nuxt.config' +import VideoPlayer from '../components-eleventy/video/player.js' import VideoRow from '../components-eleventy/video/row.js' + import { getRouteType } from '../helpers/app-derived' // Setup dotenv @@ -33,7 +35,6 @@ class TV { pagination: { data: 'eleventy-endpoints', - // data: 'collections.tv', size: 1, alias: 'tvEntry', before: function( endpoint ) { @@ -89,6 +90,8 @@ class TV { // console.log('video.payload', Object.keys(video.payload)) + const playerHtml = await this.boundComponent(VideoPlayer)() + const rowHtml = await this.boundComponent(VideoRow)( relatedVideos ) // const rowHtml = renderedRow.join('') @@ -96,14 +99,9 @@ class TV { return /* html */`
-
-
-
- -
-
- -
+ + ${ playerHtml } +

${ video.name }

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