feat: add dark source inspection interface

This commit is contained in:
bot
2026-08-12 18:42:03 +03:00
parent db75f2c4f8
commit 277aa8a568
9 changed files with 1090 additions and 16 deletions
+212
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const form = document.querySelector("#inspect-form");
const urlInput = document.querySelector("#source-url");
const submitButton = document.querySelector("#inspect-button");
const errorNotice = document.querySelector("#error-notice");
const errorMessage = document.querySelector("#error-message");
const resultSection = document.querySelector("#result");
const heroSection = document.querySelector(".hero");
const newSourceButton = document.querySelector("#new-source");
const reducedMotion = window.matchMedia("(prefers-reduced-motion: reduce)");
const fields = {
title: document.querySelector("#result-title"),
sourceLink: document.querySelector("#source-link"),
thumbnail: document.querySelector("#thumbnail"),
thumbnailShell: document.querySelector("#thumbnail-shell"),
duration: document.querySelector("#duration"),
extractor: document.querySelector("#extractor"),
uploader: document.querySelector("#uploader"),
uploadDate: document.querySelector("#upload-date"),
topQuality: document.querySelector("#top-quality"),
bestSpecs: document.querySelector("#best-specs"),
compatibleOption: document.querySelector("#compatible-option"),
compatibleSpecs: document.querySelector("#compatible-specs"),
};
function displayValue(value, fallback = "Not available") {
return value === null || value === undefined || value === "" ? fallback : String(value);
}
function formatDuration(seconds) {
if (!Number.isFinite(seconds)) return "Unknown duration";
const total = Math.max(0, Math.round(seconds));
const hours = Math.floor(total / 3600);
const minutes = Math.floor((total % 3600) / 60);
const remainingSeconds = total % 60;
const parts = hours > 0 ? [hours, minutes, remainingSeconds] : [minutes, remainingSeconds];
return parts.map((part) => String(part).padStart(2, "0")).join(":");
}
function formatUploadDate(value) {
if (!/^\d{8}$/.test(value || "")) return displayValue(value);
return `${value.slice(0, 4)}-${value.slice(4, 6)}-${value.slice(6, 8)}`;
}
function resolutionLabel(format) {
if (format.width && format.height) return `${format.width} × ${format.height}`;
if (format.audio_codec && format.audio_codec !== "none") return "Audio only";
return "Unknown";
}
function isVideo(format) {
return format.video_codec && format.video_codec !== "none";
}
function isAudio(format) {
return format.audio_codec && format.audio_codec !== "none";
}
function sortByVisualQuality(formats) {
return [...formats].sort((left, right) => {
return (right.height || 0) - (left.height || 0) || (right.fps || 0) - (left.fps || 0);
});
}
function codecFamily(codec) {
if (!codec || codec === "none") return null;
const normalized = codec.toLowerCase();
if (normalized.startsWith("avc") || normalized === "h264") return "H.264";
if (normalized.startsWith("av01")) return "AV1";
if (normalized.startsWith("vp9") || normalized.startsWith("vp09")) return "VP9";
if (normalized.startsWith("mp4a") || normalized === "aac") return "AAC";
if (normalized.startsWith("opus")) return "Opus";
return codec;
}
function addSpec(list, label, value) {
const wrapper = document.createElement("div");
const term = document.createElement("dt");
const detail = document.createElement("dd");
term.textContent = label;
detail.textContent = value;
wrapper.append(term, detail);
list.append(wrapper);
}
function renderOption(list, video, audio) {
list.replaceChildren();
addSpec(list, "Quality", resolutionLabel(video));
if (video.fps) addSpec(list, "FPS", String(video.fps));
addSpec(list, "Video", displayValue(codecFamily(video.video_codec), "Unknown"));
const audioCodec = isAudio(video) ? video.audio_codec : audio?.audio_codec;
addSpec(list, "Audio", displayValue(codecFamily(audioCodec), "Unknown"));
}
function renderOutputOptions(formats) {
const orderedVideo = sortByVisualQuality(formats.filter(isVideo));
const audioOnly = formats.filter((format) => !isVideo(format) && isAudio(format));
const bestVideo = orderedVideo[0];
const bestAudio = audioOnly.at(-1);
if (!bestVideo) {
fields.topQuality.textContent = "Audio only";
fields.bestSpecs.replaceChildren();
fields.compatibleOption.hidden = true;
return;
}
fields.topQuality.textContent = resolutionLabel(bestVideo);
renderOption(fields.bestSpecs, bestVideo, bestAudio);
const compatibleVideo = orderedVideo.find((format) => {
const videoCodec = codecFamily(format.video_codec);
const audioCodec = codecFamily(format.audio_codec);
return videoCodec === "H.264" && (!isAudio(format) || audioCodec === "AAC");
});
const compatibleAudio = audioOnly.findLast((format) => codecFamily(format.audio_codec) === "AAC");
if (compatibleVideo && (isAudio(compatibleVideo) || compatibleAudio)) {
renderOption(fields.compatibleSpecs, compatibleVideo, compatibleAudio);
fields.compatibleOption.hidden = false;
} else {
fields.compatibleOption.hidden = true;
}
}
function renderResult(data) {
fields.title.textContent = data.title;
fields.sourceLink.href = data.source_url;
fields.extractor.textContent = displayValue(data.extractor);
fields.uploader.textContent = displayValue(data.uploader);
fields.uploadDate.textContent = formatUploadDate(data.upload_date);
fields.duration.textContent = formatDuration(data.duration);
if (data.thumbnail) {
fields.thumbnail.src = data.thumbnail;
fields.thumbnail.alt = `Preview for ${data.title}`;
fields.thumbnail.hidden = false;
fields.thumbnailShell.classList.remove("no-image");
} else {
fields.thumbnail.removeAttribute("src");
fields.thumbnail.alt = "";
fields.thumbnail.hidden = true;
fields.thumbnailShell.classList.add("no-image");
}
renderOutputOptions(data.formats);
}
function transitionDelay(milliseconds) {
return new Promise((resolve) => {
window.setTimeout(resolve, reducedMotion.matches ? 0 : milliseconds);
});
}
async function showResult(data) {
renderResult(data);
heroSection.classList.add("is-leaving");
await transitionDelay(180);
heroSection.hidden = true;
heroSection.classList.remove("is-leaving");
resultSection.hidden = false;
window.scrollTo({ top: 0, behavior: "auto" });
window.requestAnimationFrame(() => resultSection.classList.add("is-visible"));
}
async function showInspector() {
resultSection.classList.remove("is-visible");
resultSection.classList.add("is-leaving");
await transitionDelay(180);
resultSection.hidden = true;
resultSection.classList.remove("is-leaving");
heroSection.classList.add("is-leaving");
heroSection.hidden = false;
window.requestAnimationFrame(() => {
heroSection.classList.remove("is-leaving");
urlInput.focus();
});
}
function setLoading(isLoading) {
submitButton.disabled = isLoading;
urlInput.disabled = isLoading;
form.setAttribute("aria-busy", String(isLoading));
}
form.addEventListener("submit", async (event) => {
event.preventDefault();
errorNotice.hidden = true;
resultSection.hidden = true;
setLoading(true);
try {
const response = await fetch("/api/inspect", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ url: urlInput.value.trim() }),
});
const data = await response.json();
if (!response.ok) {
throw new Error(data.detail || "The source could not be inspected.");
}
await showResult(data);
} catch (error) {
errorMessage.textContent = error instanceof Error ? error.message : "Inspection failed.";
errorNotice.hidden = false;
} finally {
setLoading(false);
}
});
newSourceButton.addEventListener("click", showInspector);
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:root {
color-scheme: dark;
--background: #090a0c;
--surface: #101216;
--surface-raised: #15181d;
--border: #242830;
--border-strong: #363c47;
--text: #f1f3f5;
--muted: #9299a4;
--quiet: #626974;
--accent: #d9ff43;
--accent-text: #111408;
--danger: #ff6b6b;
--radius: 14px;
font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
font-synthesis: none;
}
* {
box-sizing: border-box;
}
html {
background: var(--background);
}
body {
min-width: 320px;
margin: 0;
color: var(--text);
background:
radial-gradient(circle at 50% -20%, rgba(217, 255, 67, 0.07), transparent 34rem),
var(--background);
}
button,
input {
font: inherit;
}
a {
color: inherit;
}
.site-header,
.page-shell,
footer {
width: min(1180px, calc(100% - 40px));
margin-inline: auto;
}
.site-header {
display: flex;
align-items: center;
justify-content: space-between;
min-height: 76px;
border-bottom: 1px solid var(--border);
}
.brand {
display: inline-flex;
gap: 10px;
align-items: center;
color: var(--text);
font-size: 13px;
font-weight: 650;
letter-spacing: 0.08em;
text-decoration: none;
text-transform: uppercase;
}
.brand-mark {
width: 8px;
height: 8px;
background: var(--accent);
border-radius: 2px;
box-shadow: 0 0 16px rgba(217, 255, 67, 0.45);
}
.environment {
padding: 6px 9px;
color: var(--muted);
border: 1px solid var(--border);
border-radius: 999px;
font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
font-size: 10px;
letter-spacing: 0.12em;
text-transform: uppercase;
}
.page-shell {
min-height: calc(100vh - 142px);
}
.hero {
max-width: 900px;
padding: 104px 0 82px;
transition: opacity 180ms ease, transform 180ms ease;
}
.hero.is-leaving {
opacity: 0;
transform: translateY(-10px);
}
.eyebrow {
margin: 0 0 18px;
color: var(--accent);
font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
font-size: 11px;
font-weight: 700;
letter-spacing: 0.14em;
text-transform: uppercase;
}
h1,
h2,
h3,
p {
text-wrap: pretty;
}
h1 {
max-width: 780px;
margin: 0;
font-size: clamp(42px, 6vw, 74px);
font-weight: 560;
letter-spacing: -0.055em;
line-height: 0.98;
}
.intro {
max-width: 590px;
margin: 30px 0 0;
color: var(--muted);
font-size: 16px;
line-height: 1.7;
}
.inspect-form {
margin-top: 48px;
}
.input-shell {
display: grid;
grid-template-columns: 1fr auto;
gap: 10px;
padding: 8px;
background: var(--surface);
border: 1px solid var(--border-strong);
border-radius: var(--radius);
transition: border-color 160ms ease, box-shadow 160ms ease;
}
.input-shell:focus-within {
border-color: #59626f;
box-shadow: 0 0 0 3px rgba(217, 255, 67, 0.08);
}
input {
min-width: 0;
padding: 15px 14px;
color: var(--text);
background: transparent;
border: 0;
outline: 0;
}
input::placeholder {
color: var(--quiet);
}
button {
position: relative;
min-width: 142px;
padding: 13px 18px;
color: var(--accent-text);
font-size: 13px;
font-weight: 700;
background: var(--accent);
border: 0;
border-radius: 9px;
cursor: pointer;
transition: filter 140ms ease, transform 140ms ease;
}
button:hover {
filter: brightness(0.92);
}
button:active {
transform: translateY(1px);
}
button:disabled {
color: transparent;
cursor: wait;
filter: saturate(0.6);
}
.button-progress {
position: absolute;
top: calc(50% - 8px);
left: calc(50% - 8px);
display: none;
width: 16px;
height: 16px;
border: 2px solid rgba(17, 20, 8, 0.3);
border-top-color: var(--accent-text);
border-radius: 50%;
animation: spin 700ms linear infinite;
}
button:disabled .button-progress {
display: block;
}
.form-note {
margin: 12px 2px 0;
color: var(--quiet);
font-size: 12px;
}
.notice {
display: flex;
gap: 12px;
margin-top: 20px;
padding: 14px 16px;
color: #ffb4b4;
background: rgba(255, 107, 107, 0.07);
border: 1px solid rgba(255, 107, 107, 0.22);
border-radius: 10px;
font-size: 13px;
}
.notice-label {
flex: none;
color: var(--danger);
font-weight: 700;
}
.result {
padding: 72px 0 100px;
opacity: 0;
transform: translateY(12px);
transition: opacity 220ms ease, transform 220ms ease;
}
.result.is-visible {
opacity: 1;
transform: translateY(0);
}
.result.is-leaving {
opacity: 0;
transform: translateY(8px);
}
.result-heading {
display: flex;
gap: 24px;
align-items: flex-end;
justify-content: space-between;
padding: 58px 0 30px;
}
.result-heading .eyebrow,
.formats-heading .eyebrow {
margin-bottom: 12px;
}
h2 {
max-width: 820px;
margin: 0;
font-size: clamp(28px, 4vw, 46px);
font-weight: 560;
letter-spacing: -0.04em;
line-height: 1.08;
}
.source-link {
flex: none;
padding-bottom: 3px;
color: var(--muted);
border-bottom: 1px solid var(--border-strong);
font-size: 12px;
text-decoration: none;
}
.result-actions {
display: flex;
flex: none;
gap: 18px;
align-items: center;
}
.text-button {
min-width: 0;
padding: 0 0 3px;
color: var(--muted);
font-size: 12px;
font-weight: 400;
background: transparent;
border-bottom: 1px solid var(--border-strong);
border-radius: 0;
}
.text-button:hover {
color: var(--text);
filter: none;
}
.source-link:hover {
color: var(--text);
border-color: var(--text);
}
.source-card {
display: grid;
grid-template-columns: minmax(300px, 0.85fr) minmax(380px, 1.15fr);
max-width: 920px;
overflow: hidden;
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius);
}
.thumbnail-shell {
position: relative;
aspect-ratio: 16 / 9;
overflow: hidden;
background: var(--surface-raised);
}
.thumbnail-shell img {
display: block;
width: 100%;
height: 100%;
object-fit: cover;
}
.thumbnail-shell.no-image::after {
position: absolute;
inset: 0;
display: grid;
place-items: center;
color: var(--quiet);
font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
font-size: 11px;
letter-spacing: 0.1em;
content: "NO PREVIEW";
}
.duration {
position: absolute;
right: 12px;
bottom: 12px;
padding: 6px 8px;
color: var(--text);
background: rgba(9, 10, 12, 0.86);
border: 1px solid rgba(255, 255, 255, 0.12);
border-radius: 6px;
font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
font-size: 11px;
}
.metadata {
display: grid;
grid-template-columns: 1fr 1fr;
margin: 0;
padding: 8px;
}
.metadata div {
min-width: 0;
padding: 18px 16px;
border-bottom: 1px solid var(--border);
}
.metadata div:nth-last-child(-n + 2) {
border-bottom: 0;
}
.metadata dt {
margin-bottom: 10px;
color: var(--quiet);
font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
font-size: 10px;
letter-spacing: 0.1em;
text-transform: uppercase;
}
.metadata dd {
overflow: hidden;
margin: 0;
color: var(--text);
font-size: 14px;
text-overflow: ellipsis;
white-space: nowrap;
}
.formats-heading {
display: flex;
align-items: end;
justify-content: space-between;
margin-top: 68px;
}
h3 {
margin: 0;
font-size: 26px;
font-weight: 570;
letter-spacing: -0.03em;
}
.formats-heading > p {
margin: 0 0 2px;
color: var(--quiet);
font-size: 12px;
}
.output-options {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 14px;
margin-top: 22px;
}
.output-option {
display: grid;
grid-template-columns: auto 1fr;
gap: 22px;
padding: 24px;
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius);
}
.option-index {
color: var(--accent);
font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
font-size: 10px;
font-weight: 700;
letter-spacing: 0.1em;
}
.option-copy h4 {
margin: 0;
font-size: 17px;
font-weight: 620;
letter-spacing: -0.02em;
}
.option-copy p {
max-width: 370px;
margin: 9px 0 0;
color: var(--muted);
font-size: 12px;
line-height: 1.6;
}
.option-specs {
display: flex;
grid-column: 1 / -1;
gap: 8px;
flex-wrap: wrap;
margin: 2px 0 0 32px;
}
.option-specs div {
display: inline-flex;
gap: 6px;
align-items: center;
padding: 7px 9px;
background: rgba(255, 255, 255, 0.025);
border: 1px solid var(--border);
border-radius: 7px;
}
.option-specs dt,
.option-specs dd {
margin: 0;
font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
font-size: 9px;
}
.option-specs dt {
color: var(--quiet);
text-transform: uppercase;
}
.option-specs dd {
color: var(--text);
}
footer {
display: flex;
justify-content: space-between;
padding: 24px 0 30px;
color: var(--quiet);
border-top: 1px solid var(--border);
font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
font-size: 9px;
letter-spacing: 0.1em;
text-transform: uppercase;
}
.sr-only {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border: 0;
}
[hidden] {
display: none !important;
}
@keyframes spin {
to {
transform: rotate(360deg);
}
}
@media (max-width: 760px) {
.site-header,
.page-shell,
footer {
width: min(100% - 28px, 1180px);
}
.hero {
padding: 72px 0 62px;
}
h1 {
font-size: clamp(40px, 13vw, 58px);
}
.input-shell {
grid-template-columns: 1fr;
}
button {
min-height: 48px;
}
.result-heading,
.formats-heading {
align-items: flex-start;
flex-direction: column;
}
.result-actions {
margin-top: -8px;
}
.source-card {
grid-template-columns: 1fr;
}
.output-options {
grid-template-columns: 1fr;
}
.metadata div {
padding: 20px 14px;
}
.formats-heading > p {
margin-top: -10px;
}
}
@media (prefers-reduced-motion: reduce) {
*,
*::before,
*::after {
scroll-behavior: auto !important;
transition-duration: 0.01ms !important;
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
}
}