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| (function () {
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| 'use strict';
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|
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| const urlCache = new Map();
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|
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| function getSize(element) {
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| const className = typeof element.className === 'string'
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| ? element.className
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| : '';
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|
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| const match = className.match(/model_size_(\d+)/);
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|
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| return match ? parseInt(match[1], 10) : 500;
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| }
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|
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| function getFileUrl(fileName) {
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| if (urlCache.has(fileName)) {
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| return urlCache.get(fileName);
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| }
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|
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| const apiUrl =
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| mw.config.get('wgScriptPath') +
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| '/api.php?action=query' +
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| '&titles=File:' + encodeURIComponent(fileName) +
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| '&prop=imageinfo' +
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| '&iiprop=url' +
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| '&format=json';
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|
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| const promise = fetch(apiUrl)
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| .then(function (response) {
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| if (!response.ok) {
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| throw new Error('API request failed');
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| }
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|
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| return response.json();
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| })
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| .then(function (data) {
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| const pages = data.query && data.query.pages;
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|
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| if (!pages) {
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| return null;
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| }
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|
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| const page = Object.values(pages)[0];
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|
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| if (!page || !page.imageinfo || !page.imageinfo[0]) {
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| return null;
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| }
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|
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| return page.imageinfo[0].url;
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| })
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| .catch(function () {
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| return null;
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| });
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|
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| urlCache.set(fileName, promise);
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|
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| return promise;
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| }
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|
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| function loadModel(preview) {
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| if (preview.dataset.loaded) {
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| return;
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| }
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|
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| preview.dataset.loaded = '1';
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|
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| const fileName = preview.dataset.model;
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|
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| if (!fileName) {
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| return;
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| }
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|
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| const displayName = preview.dataset.name || fileName;
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| const size = getSize(preview);
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|
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| getFileUrl(fileName + '.glb')
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| .then(function (url) {
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| if (!url || !preview.isConnected) {
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| return;
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| }
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|
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| const wrap = document.createElement('div');
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| wrap.className = 'model-viewer-wrap';
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|
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| const container = document.createElement('div');
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| container.className = 'model-viewer-container';
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| container.style.width = size + 'px';
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| container.style.height = size + 'px';
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|
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| const viewer = document.createElement('model-viewer');
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|
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| viewer.src = url;
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| viewer.setAttribute('camera-controls', '');
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| viewer.setAttribute('touch-action', 'pan-y');
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|
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| container.appendChild(viewer);
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| wrap.appendChild(container);
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|
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| const name = document.createElement('div');
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| name.className = 'model-name';
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| name.textContent = displayName;
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|
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| wrap.appendChild(name);
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|
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| preview.replaceWith(wrap);
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| });
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| }
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|
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| function initPreview(preview) {
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| if (
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| !preview ||
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| preview.dataset.initialized
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| ) {
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| return;
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| }
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|
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| preview.dataset.initialized = '1';
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|
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| const button = document.createElement('button');
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|
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| button.className = 'model-load-button';
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| button.type = 'button';
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|
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| button.addEventListener('click', function () {
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| loadModel(preview);
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| });
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|
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| preview.appendChild(button);
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| }
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|
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| /**
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| * Builds the interactive .model-placeholder markup (preview <img>, hint,
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| * name) from the data attributes carried by a no-JS .model-fallback block.
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| * The preview image URL is fetched from the wiki API asynchronously.
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| */
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| function buildPlaceholder(data) {
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| const model = data.model;
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| const name = data.name || model;
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| const altImage = data.altImage || model;
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|
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| const sizeMatch = String(data.modelsize || '').match(/(\d+)/);
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| const size = sizeMatch ? parseInt(sizeMatch[1], 10) : 300;
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|
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| const el = document.createElement('div');
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| el.className = 'model-placeholder model_size_' + size + 'px';
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| el.dataset.model = model;
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| el.dataset.name = name;
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|
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| const preview = document.createElement('div');
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| preview.className = 'model-preview';
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|
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| const img = document.createElement('img');
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| img.className = 'model-preview-img';
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| img.alt = name;
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|
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| preview.appendChild(img);
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| el.appendChild(preview);
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|
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| const hint = document.createElement('div');
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| hint.className = 'model-hint';
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| hint.textContent = 'Click to view';
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| preview.appendChild(hint);
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|
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| const nameEl = document.createElement('div');
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| nameEl.className = 'model-name';
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| nameEl.textContent = name;
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| el.appendChild(nameEl);
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|
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| if (altImage) {
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| getFileUrl(altImage + '.png').then(function (url) {
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| if (url && img.isConnected) {
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| img.src = url;
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| }
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| });
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| }
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|
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| return el;
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| }
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|
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| /**
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| * Upgrades a no-JS .model-fallback block into the interactive placeholder,
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| * preserving every data attribute the template supplied.
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| */
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| function hydrateFallback(fallback) {
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| if (
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| !fallback ||
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| fallback.dataset.hydrated ||
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| fallback.dataset.model === undefined
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| ) {
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| return;
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| }
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|
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| fallback.dataset.hydrated = '1';
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|
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| const placeholder = buildPlaceholder({
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| model: fallback.dataset.model,
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| name: fallback.dataset.name,
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| altImage: fallback.dataset.altImage,
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| modelsize: fallback.dataset.modelsize
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| });
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|
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| initPreview(placeholder);
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|
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| fallback.replaceWith(placeholder);
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| }
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|
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| function scan(root) {
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| if (!root) {
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| return;
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| }
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|
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| if (
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| root.nodeType === Node.ELEMENT_NODE &&
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| root.matches('.model-placeholder')
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| ) {
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| initPreview(root);
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| }
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|
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| if (
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| root.nodeType === Node.ELEMENT_NODE &&
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| root.matches('.model-fallback')
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| ) {
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| hydrateFallback(root);
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| }
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|
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| if (root.querySelectorAll) {
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| root
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| .querySelectorAll('.model-placeholder')
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| .forEach(initPreview);
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| root
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| .querySelectorAll('.model-fallback')
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| .forEach(hydrateFallback);
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| }
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| }
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|
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| function startObserver() {
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| if (!document.body) {
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| return;
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| }
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|
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| const observer = new MutationObserver(function (mutations) {
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| for (const mutation of mutations) {
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| for (const node of mutation.addedNodes) {
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| if (node.nodeType === Node.ELEMENT_NODE) {
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| scan(node);
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| }
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| }
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| }
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| });
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|
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| observer.observe(document.body, {
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| childList: true,
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| subtree: true
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| });
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| }
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|
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| function init() {
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| scan(document);
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| startObserver();
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| }
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|
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| mw.hook('wikipage.content').add(function ($content) {
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| scan($content[0]);
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| });
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|
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| if (document.readyState === 'loading') {
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| document.addEventListener('DOMContentLoaded', init, {
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| once: true
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| });
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| } else {
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| init();
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| }
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|
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| })();
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|
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|
|
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|
