fix: резервные форматы примеров и stage snapshot (#16)
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Panfilov Konstantin committed 2026-10-23 20:10:51 +03:00
1 parent 0e6611da73
commit f87bef2443
33 files changed
+199 -18

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+70 -10
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@@ -2,6 +2,8 @@
/** Общая inline-логика Index/Preland: синхронная копия в обоих репозиториях. */
return <<<'JS'
window.ZoomzillaExamples = {
// Маленькие dataURI (AVIF 16×16, WebP 1×1) проверяют декодер один раз, без сетевой пробы каждого файла.
codecSupport: new Map(),
attach(mount) {
const root = document.getElementById('examples');
if (!root) return;
@@ -67,20 +69,47 @@ window.ZoomzillaExamples = {
return promise;
}
const codecProbes = {"avif":"AAAAHGZ0eXBhdmlmAAAAAGF2aWZtaWYxbWlhZgAAAOptZXRhAAAAAAAAACFoZGxyAAAAAAAAAABwaWN0AAAAAAAAAAAAAAAAAAAAAA5waXRtAAAAAAABAAAAImlsb2MAAAAAREAAAQABAAAAAAEOAAEAAAAAAAAAHgAAACNpaW5mAAAAAAABAAAAFWluZmUCAAAAAAEAAGF2MDEAAAAAamlwcnAAAABLaXBjbwAAABNjb2xybmNseAACAAIABoAAAAAMYXYxQ4EADAAAAAAUaXNwZQAAAAAAAAAQAAAAEAAAABBwaXhpAAAAAAMICAgAAAAXaXBtYQAAAAAAAAABAAEEgYIDhAAAACZtZGF0EgAKBhgM/9oQgDISF/AAAEgAAACpjltftKtLwWis","webp":"UklGRjwAAABXRUJQVlA4IDAAAADQAQCdASoBAAEAAgA0JaACdLoB+AADsAD+8MQL/yC5YXXI1/8gP+QH/ID/+PIAAAA="};
function supportsCodec(url) {
const match = /\.(avif|webp)(?:[?#]|$)/i.exec(url);
const format = match ? match[1].toLowerCase() : null;
if (!format) return Promise.resolve(true);
const cache = window.ZoomzillaExamples.codecSupport;
if (!cache.has(format)) cache.set(format, new Promise(resolve => {
const image = new Image();
const timer = window.setTimeout(() => finish(false), 1000);
let finished = false;
function finish(supported) {
if (finished) return;
finished = true;
window.clearTimeout(timer);
image.onload = image.onerror = null;
resolve(supported);
}
image.onerror = () => finish(false);
image.onload = async () => {
try {
if (image.decode) await image.decode();
finish(image.naturalWidth === (format === 'avif' ? 16 : 1));
} catch (_) { finish(false); }
};
image.src = 'data:image/' + format + ';base64,' + codecProbes[format];
}));
return cache.get(format);
}
async function loadCandidates(item, role, variant, priority) {
const suffix = variant === 'mob' ? 'Mob' : '';
const candidates = [item.dataset[role + suffix]];
if (role === 'thumb') {
for (const format of ['Webp', 'Jpg']) {
const fallback = item.dataset['thumb' + suffix + format];
if (fallback) candidates.push(fallback);
}
for (const format of ['Webp', 'Jpg']) {
const fallback = item.dataset[role + suffix + format];
if (fallback && !candidates.includes(fallback)) candidates.push(fallback);
}
let failure;
for (const url of candidates) {
if (!await supportsCodec(url)) continue;
try { return await loadImage(url, priority); } catch (error) { failure = error; }
}
throw failure;
throw failure || new Error('example_codec_unavailable');
}
async function preparePair(item, variant, priority = 'low') {
@@ -112,6 +141,35 @@ window.ZoomzillaExamples = {
}
}
// inert — улучшение. Скрытая/переключаемая область блокируется и в старых движках.
const savedTabIndexes = new Map();
function lockVisual(value) {
visual.style.visibility = value ? 'hidden' : 'visible';
visual.style.pointerEvents = value ? 'none' : '';
if (value) visual.setAttribute('inert', '');
else visual.removeAttribute('inert');
if (value) {
visual.setAttribute('aria-hidden', 'true');
for (const node of visual.querySelectorAll('a,button,input,select,textarea,[tabindex]')) {
if (!savedTabIndexes.has(node)) savedTabIndexes.set(node, node.getAttribute('tabindex'));
node.tabIndex = -1;
}
if (visual.contains(document.activeElement)) document.activeElement.blur();
} else {
visual.removeAttribute('aria-hidden');
for (const [node, index] of savedTabIndexes) {
if (index === null) node.removeAttribute('tabindex');
else node.setAttribute('tabindex', index);
}
savedTabIndexes.clear();
}
}
for (const name of ['click', 'mousedown', 'touchstart', 'pointerdown', 'keydown', 'keyup']) {
visual.addEventListener(name, event => {
if (locked) { event.preventDefault(); event.stopImmediatePropagation(); }
}, true);
}
function commitPair(number, pair) {
// Обе декодированные DOM-картинки заменяются в одном JS-такте, без промежуточного paint.
replaceImage(element.querySelector('#image-compare-source'), pair[0]);
@@ -168,6 +226,8 @@ window.ZoomzillaExamples = {
root.dataset.examplesState = 'loading';
root.setAttribute('aria-busy', 'true');
retry.hidden = true;
retry.disabled = true;
lockVisual(true);
refreshItems();
try {
const item = items.find(item => itemNumber(item) === active);
@@ -183,9 +243,7 @@ window.ZoomzillaExamples = {
items.forEach((item, index) => replaceImage(item.querySelector('.image-examples-image img'), thumbs[index]));
commitPair(active, pair);
locked = false;
visual.style.visibility = 'visible';
visual.inert = false;
visual.removeAttribute('aria-hidden');
lockVisual(false);
root.dataset.examplesState = 'ready';
root.setAttribute('aria-busy', 'false');
refreshItems();
@@ -211,6 +269,7 @@ window.ZoomzillaExamples = {
root.dataset.examplesState = 'error';
root.setAttribute('aria-busy', 'false');
retry.hidden = false;
retry.disabled = false;
}
}
retry.addEventListener('click', run);
@@ -218,7 +277,8 @@ window.ZoomzillaExamples = {
if (root.dataset.examplesState === 'error') run();
else { attemptedAt.clear(); items.forEach(retryFailed); }
});
media.addEventListener('change', run);
if (media.addEventListener) media.addEventListener('change', run);
else media.addListener(run);
refreshItems();
if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', run, {once: true});
else run();
+6 -5
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@@ -1,8 +1,8 @@
<?php
$demoBasePath = rtrim($assetsUriPrefix, '/') . "/{$indpic}";
$demoLocalPath = __DIR__ . "/../{$indpic}";
$getAssetUrl = function (int $number, string $device, string $role) use ($demoBasePath, $demoLocalPath): string {
$relativePath = sprintf('%02d', $number) . "_{$device}_{$role}.avif";
$getAssetUrl = function (int $number, string $device, string $role, string $extension = 'avif') use ($demoBasePath, $demoLocalPath): string {
$relativePath = sprintf('%02d', $number) . "_{$device}_{$role}.{$extension}";
$fullPath = $demoLocalPath . '/' . $relativePath;
$version = file_exists($fullPath) ? filemtime($fullPath) : '1';
return $demoBasePath . '/' . $relativePath . '?v=' . $version;
@@ -21,9 +21,10 @@ $labelAfter = Yii::t('app', 'После');
<div class="image-examples-list">
<?php for ($i=1; $i<=5; $i++): ?>
<div class="image-examples-item <?= $i===1 ? 'active' : '' ?>" data-example="<?= $i ?>" data-index="<?= $i ?>"
data-source="<?= $getAssetUrl($i, 'desk', '1-source') ?>" data-result="<?= $getAssetUrl($i, 'desk', '2-result') ?>"
data-source-mob="<?= $getAssetUrl($i, 'mob', '1-source') ?>" data-result-mob="<?= $getAssetUrl($i, 'mob', '2-result') ?>"
data-thumb="<?= $getAssetUrl($i, 'desk', '3-thumb') ?>" data-thumb-mob="<?= $getAssetUrl($i, 'mob', '3-thumb') ?>" aria-disabled="true" tabindex="-1">
data-source="<?= $getAssetUrl($i, 'desk', '1-source') ?>" data-source-webp="<?= $getAssetUrl($i, 'desk', '1-source', 'webp') ?>" data-source-jpg="<?= $getAssetUrl($i, 'desk', '1-source', 'jpg') ?>" data-result="<?= $getAssetUrl($i, 'desk', '2-result') ?>" data-result-webp="<?= $getAssetUrl($i, 'desk', '2-result', 'webp') ?>" data-result-jpg="<?= $getAssetUrl($i, 'desk', '2-result', 'jpg') ?>"
data-source-mob="<?= $getAssetUrl($i, 'mob', '1-source') ?>" data-source-mob-webp="<?= $getAssetUrl($i, 'mob', '1-source', 'webp') ?>" data-source-mob-jpg="<?= $getAssetUrl($i, 'mob', '1-source', 'jpg') ?>" data-result-mob="<?= $getAssetUrl($i, 'mob', '2-result') ?>" data-result-mob-webp="<?= $getAssetUrl($i, 'mob', '2-result', 'webp') ?>" data-result-mob-jpg="<?= $getAssetUrl($i, 'mob', '2-result', 'jpg') ?>"
data-thumb="<?= $getAssetUrl($i, 'desk', '3-thumb', 'avif') ?>" data-thumb-webp="<?= $getAssetUrl($i, 'desk', '3-thumb', 'webp') ?>" data-thumb-jpg="<?= $getAssetUrl($i, 'desk', '3-thumb', 'jpg') ?>"
data-thumb-mob="<?= $getAssetUrl($i, 'mob', '3-thumb', 'avif') ?>" data-thumb-mob-webp="<?= $getAssetUrl($i, 'mob', '3-thumb', 'webp') ?>" data-thumb-mob-jpg="<?= $getAssetUrl($i, 'mob', '3-thumb', 'jpg') ?>" aria-disabled="true" tabindex="-1">
<div class="image-examples-image"><picture><img width="100" height="100" alt="Example <?= $i ?>"></picture></div>
</div>
<?php endfor; ?>