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Last active December 2, 2023 20:40
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README.md

Load playlists into Youtube player

Raw
index.css
html {
font-size: 16px;
}
body {
background-color: rgba(0, 0, 0, 0.4);
padding: 1rem;
}
#player {
box-shadow: 0 0 2px 3px rgba(255, 255, 255, 0.3);
padding: 0.5rem;
}
#settings sup {
top: -1rem;
color: rgba(255, 255, 255, 0.7);
font-weight: bold;
}
.alert {
position: fixed;
margin: 0.5rem;
}
@media (max-width: 992px) {
#settings {
margin-bottom: 1rem;
}
}
@media (min-width: 992px) {
body {
margin-top: 3rem;
}
#settings {
position: absolute;
top: 1rem;
}
}
Raw
index.html
<html>
<head>
<title>ucra</title>
<link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/css/bootstrap.min.css">
<link rel="stylesheet" href="index.css" />
<script src="https://unpkg.com/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
<script src="https://unpkg.com/[email protected]/dist/qs.js"></script>
<script src="https://www.youtube.com/iframe_api"></script>
<script src="https://unpkg.com/[email protected]/dist/localforage.min.js"></script>
<script src="https://unpkg.com/[email protected]/dist/debug-umd.js"></script>
</head>
<body class="p-4">
<div class="row">
<div class="col-xm-12 col-lg-4" id="settings">
<button type="button" class="btn btn-outline-warning" data-bs-toggle="modal" data-bs-target="#settingsModal">
Settings
</button>
<div class="custom-file d-inline-block">
<input id="fileInput" type="file" class="custom-file-input d-none" accept=".txt">
<label class="custom-file-label" for="fileInput">
<button type="button" class="btn btn-primary">
Pick
</button>
<sup>?</sup>
</label>
</div>
<div class="alert alert-info d-none" role="alert">
<h5 class="alert-heading">Playlist file</h5>
<p>A .txt file with a video ID on each line.</p>
<p>
If you want to load videos
<li>https://www.youtube.com/watch?v=n5h0qHwulI4</li>
<li>https://www.youtube.com/watch?v=erg0qHwNrHk</li>
</p>
<p>Your playlist.txt file needs to be</p>
<div><i>n5h0qHwulI4</i></div>
<div><i>erg0qHwNrHk</i></div>
<br>
<aside>Tip: load only a couple dozen videos at a time</aside>
</div>
</div>
<div class="col-xm-12 cold-md-10 col-xl-8 well" id="player"></div>
</div>
<div id="settingsModal" class="modal" tabindex="-1">
<div class="modal-dialog modal-dialog-centered modal-lg">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title">Player settings</h5>
<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<div class="container-fluid">
<div class="row justify-content-center">
<div class="col-sm-10">
<form id="settingsForm">
<div class="input-group mb-3 d-flex">
<label for="height" class="form-label me-2">Height</label>
<input type="number" size="5" name="height" id="height" class="form-control">
</div>
<div class="input-group mb-3 d-flex">
<label for="width" class="form-label me-2">Width</label>
<input type="number" name="width" id="width" class="form-control" form="settingsForm">
</div>
<div class="input-group mb-3 form-check form-check-inline">
<span>Autoplay</span>
<input class="form-check-input" type="radio" name="autoplay" id="autoplayOn" value="1">
<label for="autoplayOn" class="form-label me-2">On</label>
<input class="form-check-input" type="radio" name="autoplay" id="autoplayOff" value="0">
<label for="autoplayOff" class="form-label me-2">Off</label>
</div>
<div class="input-group mb-3 form-check form-check-inline">
<span>Modest branding</span>
<input class="form-check-input" type="radio" name="modestbranding" id="modestbrandingOn" value="1">
<label for="modestbrandingOn" class="form-label me-2">On</label>
<input class="form-check-input" type="radio" name="modestbranding" id="modestbrandingOff" value="0">
<label for="modestbrandingOff" class="form-label me-2">Off</label>
</div>
<div class="input-group mb-3 form-check form-check-inline">
<span>Plays inline</span>
<input class="form-check-input" type="radio" name="playsinline" id="playsinlineOn" value="1">
<label for="playsinlineOn" class="form-label me-2">On</label>
<input class="form-check-input" type="radio" name="playsinline" id="playsinlineOff" value="0">
<label for="playsinlineOff" class="form-label me-2">Off</label>
</div>
</form>
</div>
<div class="modal-footer">
<button type="submit" class="btn btn-primary" form="settingsForm">Apply</button>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<script src="index.js" defer></script>
</body>
</html>
Raw
index.js
let player;
const log = debug("ucra");
const _playlist = "1n5a9vk1wig,v7c187E5BxY,OoGYwpXM0rg,JZ0MoWajrQ8,Nw4c5RhRYMY,Tiqxn3iOmxY";
const playerSettings = {
height: 640,
width: 960,
// videoId: "JhF_Q3jvaSA",
// playerVars: {
autoplay: 1,
enablejsapi: 1,
modestbranding: 1,
playsinline: 0,
// playlist: ["JhF_Q3jvaSA"],
// origin: window.location.origin,
// },
};
YT.ready(() => {
localforage.config({
driver: localforage.LOCALSTORAGE,
name: "ucra",
version: 1.0,
});
localforage
.getItem("playerSettings")
.then(val => {
if (val) return Object.assign({}, playerSettings, JSON.parse(val));
else return setLocalStorage("playerSettings", playerSettings);
})
.then(settings => {
formDeserialize(settingsForm, settings);
log("Creating Player with settings %o", settings);
const { width, height, ...rest } = settings;
player = new YT.Player("player", {
width,
height,
// https://developers.google.com/youtube/player_parameters#Parameters
playerVars: rest,
events: {
onReady: onPlayerReady,
onStateChange: onPlayerStateChange,
},
});
})
.catch(err => log("Failed to start player %O", err));
});
const [input] = qs`.custom-file > input[type=file]`;
const [button] = qs`.custom-file > label > button`;
const [settingsModal] = qs`#settingsModal`;
const [settingsForm] = qs`#settingsForm`;
const [sup] = qs`#settings sup`;
sup.addEventListener("mouseover", () => {
const [alert] = qs`.alert`;
alert.classList.remove("d-none");
});
sup.addEventListener("mouseout", () => {
const [alert] = qs`.alert`;
alert.classList.add("d-none");
});
settingsForm.addEventListener("submit", async () => {
const formData = new FormData(settingsForm);
const entries = [...formData.entries()];
const data = entries.map(([k, v]) => {
const number = parseInt(v);
if (!Number.isNaN(number)) return [k, number];
else return [k, v];
});
const settings = Object.fromEntries(data);
await setLocalStorage("playerSettings", settings);
});
button.addEventListener("click", () => {
input.click();
});
input.addEventListener("change", async function () {
if (this.files.length > 0) {
const contents = await readFile(this.files[0]);
const playlist = contents.split("\n");
loadPlaylist(player, playlist);
playVideo(player);
}
});
const onPlayerReady = event => {
log("Player ready %o", event);
const playlist = _playlist.split(",");
loadPlaylist(player, playlist);
playVideo(player);
};
const onPlayerStateChange = event => {
const { data } = event;
const [state] = Object.entries(YT.PlayerState).find(([k, v]) => v === data);
log("Player state %s", state);
};
function formDeserialize(form, data) {
log("Serializing into form %o", data);
const entries = new URLSearchParams(data).entries();
for (const [key, val] of entries) {
//http://javascript-coder.com/javascript-form/javascript-form-value.phtml
const input = form.elements?.[key];
if (input instanceof RadioNodeList) input.type = true;
switch (input?.type) {
case "checkbox":
input.checked = !!val;
break;
case undefined:
break;
default:
input.value = val;
break;
}
}
}
function setLocalStorage(key, data) {
log("Setting %s in localstorage %o", key, data);
let value = data;
if (typeof data === "object") value = JSON.stringify(data);
return localforage
.setItem(key, value)
.then(() => localforage.getItem(key))
.catch(error => log("Couldn't set %s: %O", key, error));
}
function playVideo(player) {
log("Playing");
player.playVideo();
}
function loadPlaylist(player, array) {
if (Array.isArray(array)) {
log("Loading playlist %o", array);
player.loadPlaylist(array);
}
}
async function readFile(file) {
log(`Reading in %s`, file.name);
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onload = () => {
resolve(reader.result);
};
reader.onerror = reject;
reader.readAsText(file);
});
}
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