Save worktree changes
This commit is contained in:
@@ -0,0 +1,537 @@
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// General sanitization and sizing helpers.
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// Strip unsupported characters from a font family string.
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function sanitizeFontFamily(value) {
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return String(value || '').replace(/[^a-zA-Z0-9 ,\"-]/g, '').trim();
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}
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// Clamp font size to the supported range.
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function sanitizeFontSize(value) {
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return Math.max(8, Number(value || 0) || 24);
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}
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// Validate a text color and fall back when needed.
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function sanitizeTextColor(value, fallback) {
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var raw = String(value || '').trim();
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if (/^#[0-9a-fA-F]{6}$/.test(raw) || /^#[0-9a-fA-F]{3}$/.test(raw)) {
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return raw;
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}
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return fallback || '#000000';
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}
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// Read the template's canvas dimensions with safe defaults.
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function getTemplateCanvasSize(template) {
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return {
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width: Math.max(1, Number(template.canvas_size_width || 1920)),
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height: Math.max(1, Number(template.canvas_size_height || 1080))
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};
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}
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// Read the server-supplied playlist revision, or fall back to the ETag.
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function getPlaylistRevision(data) {
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if (data && data.revision) {
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return String(data.revision);
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}
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if (data && data.playlist && data.playlist.revision) {
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return String(data.playlist.revision);
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}
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if (currentPlaylistEtag) {
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return String(currentPlaylistEtag).replace(/^"|"$/g, '');
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}
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return String(Date.now());
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}
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// Scale a canvas to fit within the viewport.
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function fitCanvasSize(canvasWidth, canvasHeight, maxWidth, maxHeight) {
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var width = Math.max(1, Number(canvasWidth || 0) || 1920);
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var height = Math.max(1, Number(canvasHeight || 0) || 1080);
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var viewportWidth = Math.max(1, Number(maxWidth || 0) || width);
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var viewportHeight = Math.max(1, Number(maxHeight || 0) || height);
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var scale = Math.min(viewportWidth / width, viewportHeight / height);
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return {
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width: Math.round(width * scale),
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height: Math.round(height * scale)
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};
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}
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const ALLOWED_RICH_TEXT_TAGS = ['a', 'b', 'blockquote', 'br', 'code', 'div', 'em', 'figure', 'figcaption', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'i', 'li', 'ol', 'p', 'pre', 'span', 'strong', 'sub', 'sup', 'table', 'tbody', 'td', 'th', 'thead', 'tr', 'u', 'ul'];
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function sanitizeRichTextAttributes(tagName, attrText) {
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const allowedAttributes = {
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a: ['href', 'title', 'target', 'rel', 'class', 'style'],
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blockquote: ['class', 'style'],
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div: ['class', 'style'],
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figure: ['class', 'style'],
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figcaption: ['class', 'style'],
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h1: ['class', 'style'],
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h2: ['class', 'style'],
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h3: ['class', 'style'],
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h4: ['class', 'style'],
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h5: ['class', 'style'],
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h6: ['class', 'style'],
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li: ['class', 'style'],
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ol: ['class', 'style', 'start'],
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p: ['class', 'style'],
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pre: ['class', 'style'],
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span: ['class', 'style'],
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table: ['class', 'style'],
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td: ['class', 'style', 'colspan', 'rowspan'],
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th: ['class', 'style', 'colspan', 'rowspan', 'scope'],
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tr: ['class', 'style'],
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ul: ['class', 'style']
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};
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const allowed = allowedAttributes[tagName] || [];
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if (!allowed.length) {
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return '';
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}
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const attrs = [];
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String(attrText || '').replace(/([a-zA-Z0-9:-]+)(?:\s*=\s*("([^"]*)"|'([^']*)'|([^\s"'>/=`]+)))?/g, (_full, key, _valuePart, doubleQuoted, singleQuoted, bareValue) => {
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const lowerKey = String(key || '').toLowerCase();
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if (!allowed.includes(lowerKey)) {
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return '';
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}
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const value = doubleQuoted !== undefined ? doubleQuoted : singleQuoted !== undefined ? singleQuoted : bareValue !== undefined ? bareValue : '';
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if (lowerKey === 'href' && /^(?:\s*javascript:|\s*data:)/i.test(String(value || ''))) {
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return '';
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}
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if (lowerKey === 'style' && /(?:expression\s*\(|javascript:|url\s*\()/i.test(String(value || ''))) {
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return '';
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}
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if (lowerKey === 'target') {
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const targetValue = String(value || '').trim();
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if (targetValue === '_blank') {
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attrs.push(' target="_blank"');
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if (!attrs.includes(' rel="noreferrer noopener"')) {
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attrs.push(' rel="noreferrer noopener"');
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}
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return '';
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}
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}
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attrs.push(' ' + lowerKey + '="' + escapeHtml(value) + '"');
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return '';
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});
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return attrs.join('');
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}
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// Remove unsafe markup while preserving richer CKEditor formatting.
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function sanitizeRichText(html) {
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var output = String(html || '');
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output = output.replace(/<script[\s\S]*?<\/script>/gi, '');
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output = output.replace(/<style[\s\S]*?<\/style>/gi, '');
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return output.replace(/<[^>]+>/g, function (tag) {
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var match = tag.match(/^<\s*(\/?)\s*([a-z0-9]+)([\s\S]*?)(\/?)>$/i);
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if (!match) {
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return '';
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}
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var closing = Boolean(match[1]);
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var name = String(match[2] || '').toLowerCase();
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var attrText = String(match[3] || '');
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if (ALLOWED_RICH_TEXT_TAGS.indexOf(name) === -1) {
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return '';
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}
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if (closing) {
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return '</' + name + '>';
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}
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return '<' + name + sanitizeRichTextAttributes(name, attrText) + '>';
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});
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}
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// Render a single Editor.js block to HTML.
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function renderEditorJsBlock(block) {
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if (!block || !block.type || !block.data) {
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return '';
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}
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if (block.type === 'header') {
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var level = Math.max(1, Math.min(6, Number(block.data.level || 2)));
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return '<h' + level + '>' + sanitizeRichText(block.data.text || '') + '</h' + level + '>';
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}
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if (block.type === 'list') {
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var tag = block.data.style === 'ordered' ? 'ol' : 'ul';
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var items = Array.isArray(block.data.items) ? block.data.items : [];
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return '<' + tag + ' style="list-style-type:' + (tag === 'ol' ? 'decimal' : 'disc') + ';padding-left:1.4em;">' + items.map(function (item) { return renderEditorJsListItem(item, tag); }).join('') + '</' + tag + '>';
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}
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if (block.type === 'delimiter') {
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return '<hr />';
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}
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if (block.type === 'code') {
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return '<pre><code>' + escapeHtml(block.data.code || '') + '</code></pre>';
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}
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if (block.type === 'table') {
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return renderEditorJsTable(block.data);
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}
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if (block.type === 'paragraph') {
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return '<p>' + sanitizeRichText(block.data.text || '') + '</p>';
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}
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return '';
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}
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// Render a list item and any nested sub-items.
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function renderEditorJsListItem(item, tag) {
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if (item && typeof item === 'object') {
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var content = item.content !== undefined ? item.content : (item.text !== undefined ? item.text : item.value !== undefined ? item.value : '');
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var children = Array.isArray(item.items) ? item.items : Array.isArray(item.subItems) ? item.subItems : Array.isArray(item.children) ? item.children : [];
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var nested = children.length ? '<' + tag + ' style="list-style-type:' + (tag === 'ol' ? 'decimal' : 'disc') + ';padding-left:1.4em;">' + children.map(function (child) { return renderEditorJsListItem(child, tag); }).join('') + '</' + tag + '>' : '';
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return '<li>' + sanitizeRichText(content || '') + nested + '</li>';
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}
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return '<li>' + sanitizeRichText(item || '') + '</li>';
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}
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// Render an Editor.js table block.
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function renderEditorJsTable(data) {
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var rows = Array.isArray(data.content) ? data.content : Array.isArray(data.rows) ? data.rows : [];
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if (!rows.length) {
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return '';
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}
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var hasHeadings = Boolean(data.withHeadings);
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var tableRows = rows.map(function (row, rowIndex) {
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var cells = Array.isArray(row) ? row : [];
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var cellTag = hasHeadings && rowIndex === 0 ? 'th' : 'td';
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var cellAttrs = cellTag === 'th' ? ' scope="col"' : '';
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return '<tr>' + cells.map(function (cell) {
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return '<' + cellTag + cellAttrs + '>' + sanitizeRichText(cell || '') + '</' + cellTag + '>';
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}).join('') + '</tr>';
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}).join('');
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return '<table class="ck-content-table">' + tableRows + '</table>';
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}
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// Render Editor.js JSON or plain content safely.
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function renderEditorJsContent(value) {
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if (value && typeof value === 'object') {
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if (Array.isArray(value.blocks)) {
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return value.blocks.map(renderEditorJsBlock).join('');
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}
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if (value.value !== undefined) {
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return renderEditorJsContent(value.value);
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}
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}
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var raw = String(value || '');
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try {
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var parsed = JSON.parse(raw);
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if (parsed && Array.isArray(parsed.blocks)) {
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return parsed.blocks.map(renderEditorJsBlock).join('');
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}
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} catch (_error) {
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// fall through to legacy HTML rendering
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}
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return sanitizeRichText(raw);
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}
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// Parse string values that look like JSON.
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function parseMaybeJson(value) {
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if (typeof value !== 'string') {
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return value;
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}
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var raw = value.trim();
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if (!raw) {
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return value;
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}
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if (raw.charAt(0) !== '{' && raw.charAt(0) !== '[') {
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return value;
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}
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try {
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return JSON.parse(raw);
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} catch (_error) {
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return value;
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}
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}
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// Normalize a slide region's stored content value.
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function normalizeContentValue(value) {
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var normalized;
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if (!value || typeof value !== 'object') {
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return {
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type: 'text',
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value: parseMaybeJson(value)
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};
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}
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normalized = {};
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Object.keys(value).forEach(function (key) {
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normalized[key] = value[key];
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});
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if (normalized.value !== undefined) {
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normalized.value = parseMaybeJson(normalized.value);
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}
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if (normalized.font_family !== undefined && normalized.font_family !== null) {
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normalized.font_family = sanitizeFontFamily(normalized.font_family);
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}
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if (normalized.font_size !== undefined && normalized.font_size !== null) {
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normalized.font_size = sanitizeFontSize(normalized.font_size);
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}
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if (normalized.font_color !== undefined && normalized.font_color !== null) {
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normalized.font_color = sanitizeTextColor(normalized.font_color);
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}
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if (!normalized.type) {
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normalized.type = 'text';
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}
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return normalized;
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}
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// Normalize a slide and its nested region content.
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function normalizeSlide(slide) {
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var normalized = {};
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var content;
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Object.keys(slide || {}).forEach(function (key) {
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normalized[key] = slide[key];
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});
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normalized.content = {};
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content = slide && slide.content && typeof slide.content === 'object' ? slide.content : {};
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Object.keys(content).forEach(function (regionKey) {
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normalized.content[regionKey] = normalizeContentValue(content[regionKey]);
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});
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return normalized;
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}
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// Parse the stored schedule-day list into numbers.
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function parseScheduleDays(value) {
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if (!value) {
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return [];
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}
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if (Array.isArray(value)) {
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return value.map(function (item) { return Number(item); }).filter(function (item) { return !Number.isNaN(item); });
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}
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try {
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const parsed = JSON.parse(value);
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return Array.isArray(parsed) ? parsed.map(function (item) { return Number(item); }).filter(function (item) { return !Number.isNaN(item); }) : [];
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} catch (_error) {
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return [];
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}
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}
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// Convert a HH:MM time string to minutes since midnight.
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function parseTimeToMinutes(value) {
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const raw = String(value || '').trim();
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if (!raw) {
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return null;
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}
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const match = raw.match(/^(\d{2}):(\d{2})/);
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if (!match) {
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return null;
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}
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return Number(match[1]) * 60 + Number(match[2]);
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}
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// Determine whether a slide should be shown at the current time.
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function isSlideActive(slide, now) {
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const mode = String(slide.schedule_mode || 'always');
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if (mode === 'always') {
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return true;
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}
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if (mode === 'dates') {
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const start = slide.schedule_start_datetime ? new Date(slide.schedule_start_datetime) : null;
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const end = slide.schedule_end_datetime ? new Date(slide.schedule_end_datetime) : null;
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if (!start || !end || Number.isNaN(start.getTime()) || Number.isNaN(end.getTime())) {
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return false;
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}
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return now >= start && now <= end;
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}
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if (mode === 'times') {
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const days = parseScheduleDays(slide.schedule_days_json);
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if (!days.length) {
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return false;
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}
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const day = now.getDay();
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if (days.indexOf(day) === -1) {
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return false;
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}
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const startMinutes = parseTimeToMinutes(slide.schedule_start_time);
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const endMinutes = parseTimeToMinutes(slide.schedule_end_time);
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if (startMinutes === null || endMinutes === null) {
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return false;
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}
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const nowMinutes = now.getHours() * 60 + now.getMinutes();
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if (startMinutes <= endMinutes) {
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return nowMinutes >= startMinutes && nowMinutes <= endMinutes;
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}
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return nowMinutes >= startMinutes || nowMinutes <= endMinutes;
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}
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return true;
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}
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// Build the cache key for a template layout.
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function getTemplateLayoutCacheKey(template) {
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var viewportKey = window.innerWidth + 'x' + window.innerHeight;
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return [currentPlaylistSignature || '', template && template.id ? template.id : '', viewportKey].join('|');
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}
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// Build or reuse layout metadata for a template.
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function getTemplateLayout(template) {
|
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if (!template || !template.id) {
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return null;
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}
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syncRenderCacheViewport();
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var cacheKey = getTemplateLayoutCacheKey(template);
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if (Object.prototype.hasOwnProperty.call(templateLayoutCache, cacheKey)) {
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return templateLayoutCache[cacheKey];
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}
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||||
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var templateCanvas = getTemplateCanvasSize(template);
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var canvasSize = fitCanvasSize(templateCanvas.width, templateCanvas.height, window.innerWidth, window.innerHeight);
|
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var canvasScale = canvasSize.width / templateCanvas.width;
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var regions = (template.regions || []).map(function (region) {
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||||
var left = (Number(region.x) / templateCanvas.width) * 100;
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||||
var top = (Number(region.y) / templateCanvas.height) * 100;
|
||||
var width = (Number(region.width) / templateCanvas.width) * 100;
|
||||
var height = (Number(region.height) / templateCanvas.height) * 100;
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||||
var baseStyle = 'left:' + left + '%;top:' + top + '%;width:' + width + '%;height:' + height + '%;z-index:' + Number(region.z_index || 0) + ';';
|
||||
var pixelWidth = Math.max(1, Math.round(Number(region.width || 0) || 1));
|
||||
var pixelHeight = Math.max(1, Math.round(Number(region.height || 0) || 1));
|
||||
|
||||
return {
|
||||
regionKey: region.region_key,
|
||||
regionType: region.region_type,
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||||
label: region.label,
|
||||
baseStyle: baseStyle,
|
||||
pixelWidth: pixelWidth,
|
||||
pixelHeight: pixelHeight,
|
||||
fontFamily: region.font_family || null,
|
||||
fontSize: region.font_size || null,
|
||||
fontColor: region.font_color || null,
|
||||
canvasScale: canvasScale
|
||||
};
|
||||
});
|
||||
|
||||
var layout = {
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||||
canvasWidth: canvasSize.width,
|
||||
canvasHeight: canvasSize.height,
|
||||
background: template.background_image_path ? '<img class="template-background" src="' + escapeHtml(template.background_image_path) + '" alt="" />' : '',
|
||||
backgroundColor: template.background_color || '#111111',
|
||||
regions: regions
|
||||
};
|
||||
|
||||
templateLayoutCache[cacheKey] = layout;
|
||||
return layout;
|
||||
}
|
||||
|
||||
// Build the cache key for a template render plan.
|
||||
function getTemplateRenderPlanCacheKey(template) {
|
||||
return getTemplateLayoutCacheKey(template);
|
||||
}
|
||||
|
||||
// Build or reuse the render plan for a template.
|
||||
function getTemplateRenderPlan(template) {
|
||||
if (!template || !template.id) {
|
||||
return null;
|
||||
}
|
||||
|
||||
syncRenderCacheViewport();
|
||||
|
||||
var cacheKey = getTemplateRenderPlanCacheKey(template);
|
||||
if (Object.prototype.hasOwnProperty.call(templateRenderPlanCache, cacheKey)) {
|
||||
return templateRenderPlanCache[cacheKey];
|
||||
}
|
||||
|
||||
var layout = getTemplateLayout(template);
|
||||
var plan = {
|
||||
layout: layout,
|
||||
renderRegion: function (region, regionContent) {
|
||||
if (region.regionType === 'image') {
|
||||
return renderImageRegion(region, regionContent);
|
||||
}
|
||||
if (region.regionType === 'webpage') {
|
||||
return renderWebpageRegion(region, regionContent);
|
||||
}
|
||||
if (region.regionType === 'rtmp') {
|
||||
return renderRtmpRegion(region, regionContent);
|
||||
}
|
||||
if (region.regionType === 'rss') {
|
||||
return renderRssRegion(region, regionContent);
|
||||
}
|
||||
if (region.regionType === 'api') {
|
||||
return renderApiRegion(region, regionContent);
|
||||
}
|
||||
if (region.regionType === 'html') {
|
||||
return renderHtmlRegion(region, regionContent);
|
||||
}
|
||||
return renderTextRegion(region, regionContent);
|
||||
}
|
||||
};
|
||||
|
||||
templateRenderPlanCache[cacheKey] = plan;
|
||||
return plan;
|
||||
}
|
||||
|
||||
// Render a template-based slide using the cached layout.
|
||||
function renderTemplateSlideMarkup(slide) {
|
||||
const template = slide.template;
|
||||
const content = slide.content || {};
|
||||
const plan = getTemplateRenderPlan(template);
|
||||
const layout = plan ? plan.layout : null;
|
||||
const regions = layout ? layout.regions.map(function (region) {
|
||||
const regionContent = content[region.regionKey] || {};
|
||||
return plan.renderRegion(region, regionContent);
|
||||
}).join('') : '';
|
||||
const stageStyle = layout ? 'background-color:' + escapeHtml(layout.backgroundColor || '#111111') + ';' : '';
|
||||
return renderSlideShell(slide, '', (layout ? layout.canvasWidth : 0) + 'px', (layout ? layout.canvasHeight : 0) + 'px', '<div class="template-stage" style="' + stageStyle + '">' + (layout ? layout.background : '') + regions + '</div>');
|
||||
}
|
||||
|
||||
// Media rendering helpers.
|
||||
// Build the direct media element for a slide.
|
||||
function renderMediaSlideContent(slide) {
|
||||
if (slide.kind === 'image') {
|
||||
return '<img src="' + escapeHtml(slide.media_url) + '" alt="slide" />';
|
||||
}
|
||||
return '';
|
||||
}
|
||||
|
||||
// Render a slide that contains direct media content.
|
||||
function renderMediaSlideMarkup(slide) {
|
||||
const canvasSize = fitCanvasSize(16, 9, window.innerWidth, window.innerHeight);
|
||||
const media = renderMediaSlideContent(slide);
|
||||
return renderSlideShell(slide, 'slide-media', canvasSize.width + 'px', canvasSize.height + 'px', media);
|
||||
}
|
||||
|
||||
// Render the shared slide shell around slide-specific inner content.
|
||||
function renderSlideShell(slide, canvasClass, canvasWidth, canvasHeight, innerHtml) {
|
||||
const body = slide.body ? '<div class="body">' + escapeHtml(slide.body) + '</div>' : '';
|
||||
const className = canvasClass ? 'slide-canvas ' + canvasClass : 'slide-canvas';
|
||||
return '<div class="slide"><div class="' + className + '" style="width:' + canvasWidth + ';height:' + canvasHeight + ';">' + innerHtml + body + '</div></div>';
|
||||
}
|
||||
|
||||
// Build the cache key for rendered slide markup.
|
||||
function getSlideMarkupCacheKey(slide) {
|
||||
var viewportKey = window.innerWidth + 'x' + window.innerHeight;
|
||||
return [currentPlaylistSignature || '', slide && slide.id ? slide.id : '', slide && slide.template_id ? slide.template_id : '', viewportKey].join('|');
|
||||
}
|
||||
|
||||
// Look up a previously rendered slide in the cache.
|
||||
function getCachedSlideMarkup(slide) {
|
||||
var cacheKey = getSlideMarkupCacheKey(slide);
|
||||
return Object.prototype.hasOwnProperty.call(slideMarkupCache, cacheKey) ? slideMarkupCache[cacheKey] : null;
|
||||
}
|
||||
|
||||
// Store rendered slide markup in the cache.
|
||||
function setCachedSlideMarkup(slide, markup) {
|
||||
syncRenderCacheViewport();
|
||||
slideMarkupCache[getSlideMarkupCacheKey(slide)] = markup;
|
||||
}
|
||||
|
||||
// Slide rendering and markup cache helpers.
|
||||
// Choose the right slide renderer and cache the result.
|
||||
function buildSlideMarkup(slide) {
|
||||
lastRenderedSlide = slide || null;
|
||||
syncBlackoutState();
|
||||
var cachedMarkup = getCachedSlideMarkup(slide);
|
||||
if (cachedMarkup) {
|
||||
return cachedMarkup;
|
||||
}
|
||||
|
||||
var markup = '';
|
||||
if (slide.template_id && slide.template) {
|
||||
markup = renderTemplateSlideMarkup(slide);
|
||||
setCachedSlideMarkup(slide, markup);
|
||||
return markup;
|
||||
}
|
||||
|
||||
markup = renderMediaSlideMarkup(slide);
|
||||
setCachedSlideMarkup(slide, markup);
|
||||
return markup;
|
||||
}
|
||||
Reference in New Issue
Block a user