fix: 使用递归文本节点提取保留换行符 - 添加 getTextWithLineBreaks 函数递归提取文本节点 - 处理 BR 标签为换行符 - 添加换行符检测日志 - 添加错误捕获避免渲染失败
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56
footer.php
56
footer.php
@@ -187,6 +187,38 @@
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});
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// 递归获取所有文本节点,保留换行符
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function getTextWithLineBreaks(element) {
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let text = '';
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for (let node of element.childNodes) {
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if (node.nodeType === Node.TEXT_NODE) {
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text += node.textContent;
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} else if (node.nodeType === Node.ELEMENT_NODE) {
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if (node.tagName === 'BR') {
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text += '\n';
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} else {
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text += getTextWithLineBreaks(node);
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}
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}
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}
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return text;
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}
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// 自动渲染所有 mermaid 代码块
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document.querySelectorAll('pre code.language-mermaid, pre code.mermaid').forEach(function(element) {
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@@ -203,15 +235,15 @@
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let pre = element.parentElement;
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// 获取代码内容
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// 获取代码内容,保留换行符
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let code = element.textContent || element.innerText;
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let code = getTextWithLineBreaks(element);
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// 去除首尾空白
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code = code.trim();
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// 验证是否为有效的 Mermaid 代码(必须以 graph/flowchart/sequenceDiagram 等关键字开头)
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// 验证是否为有效的 Mermaid 代码
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let validKeywords = ['graph', 'flowchart', 'sequenceDiagram', 'classDiagram', 'stateDiagram', 'erDiagram', 'journey', 'gantt', 'pie', 'gitGraph', 'mindmap', 'timeline', 'quadrantChart'];
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@@ -233,10 +265,18 @@
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if (!isValid) {
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console.log('Skipping invalid Mermaid code:', code.substring(0, 50));
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return;
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}
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// 调试:输出代码内容和换行符
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console.log('Mermaid code found (length: ' + code.length + '):', code);
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console.log('Contains newlines:', code.indexOf('\n') !== -1);
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// 创建 Mermaid 容器
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let mermaidDiv = document.createElement('div');
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@@ -259,14 +299,24 @@
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if (mermaidElements.length > 0) {
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console.log('Rendering', mermaidElements.length, 'Mermaid diagrams');
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mermaidElements.forEach(function(el) {
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el.classList.add('mermaid-rendered');
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});
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try {
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mermaid.init(undefined, mermaidElements);
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} catch (e) {
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console.error('Mermaid rendering error:', e);
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}
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}
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}, 100);
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