UniversalChatExporter/content-script.js at main · paradox-solver/UniversalChatExporter · GitHub

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// content.js
// Injected on toolbar click. Exports current chat page to standalone HTML.

const TEMPLATE_HTML = `
<!DOCTYPE html>
<html lang="en-EN">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>{{title}}</title>
  <style>
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px; background-color: #f5f5f5; }
.chat-container { background: #fff; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,.1); overflow: hidden; }
.chat-header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff; padding: 20px; text-align: center; }
.chat-header h1 { margin: 0; font-size: 1.5em; }
.chat-header .export-info { margin-top: 10px; font-size: .9em; opacity: .9; }
.message { padding: 20px; border-bottom: 1px solid #eee; }
.message:last-child { border-bottom: none; }
.message-header { font-weight: bold; margin-bottom: 10px; padding: 8px 12px; border-radius: 6px; display: inline-block; }
.message-header.user { background: #e3f2fd; color: #1976d2; }
.message-header.assistant { background: #f3e5f5; color: #7b1fa2; }
.message-header.system { background: #fff3e0; color: #f57c00; }
.message-header.unknown { background: #f5f5f5; color: #666; }
.message-content { margin-top: 10px; }

/* Header 1 Style */
h1 {
  font-size: 1.5em;
  margin: 1.2em 0 0.7em 0;
  font-weight: 700;
  line-height: 1.2;
}
h2 {
  font-size: 1.2em;
  margin: 1.1em 0 0.6em 0;
  font-weight: 600;
  line-height: 1.25;
}
/* Dialog message N title style */
.message-header {
  font-size: 1.2em;
  font-weight: 600;
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: 6px;
  display: inline-block;
  background: #f5f5f5;
  color: #666;
}

/* Code block beautification（Darkboxstyle+title frame） */
.code-block-box {
  margin: 1.5em 0;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  background: #181c24;
  border: 1px solid #23272f;
  overflow: hidden;
}
.code-title-frame {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f5f6fa;
  color: #23272f;
  font-size: 13px;
  font-family: 'JetBrains Mono', 'Fira Mono', 'Consolas', 'Menlo', 'Monaco', 'monospace';
  padding: 0.35em 1.1em 0.35em 1.1em;
  border-bottom: 1px solid #e0e0e0;
  border-radius: 10px 10px 0 0;
}
.code-lang-label {
  font-weight: 600;
  background: #23272f;
  color: #e6eaf3;
  opacity: 1;
  letter-spacing: 0.5px;
  border-radius: 5px;
  padding: 0.15em 0.7em;
  font-size: 90%;
  margin-right: 0.5em;
  display: inline-block;
}
.copy-button {
  background: #e6eaf3;
  color: #23272f;
  border: none;
  border-radius: 6px;
  padding: 2px 12px;
  font-size: 12px;
  cursor: pointer;
  opacity: 0.85;
  transition: background 0.2s, opacity 0.2s;
  z-index: 2;
}
.copy-button:hover {
  background: #d3d7e3;
  opacity: 1;
}
.code-block-box pre {
  background: #181c24;
  color: #e6eaf3;
  border: none;
  border-radius: 0 0 10px 10px;
  margin: 0;
  padding: 1em 1.2em;
  font-size: 14px;
  overflow-x: auto;
  box-shadow: none;
}
.code-block-box code {
  background: none;
  color: inherit;
  padding: 0;
  border: none;
  font-size: inherit;
}
code:not(pre code) {
  background: #23272f;
  color: #e6eaf3;
  border-radius: 5px;
  padding: 0.2em 0.4em;
  font-size: 95%;
}
  </style>
</head>
<body>
  <div class="chat-container">
    <div class="chat-header">
      <h1>{{title}}</h1>
      <div class="export-info">Export time: {{exportTime}} GMT+8 | Platform: {{platform}}</div>
    </div>
    {{content}}
  </div>
</body>
</html>
`;

(function() {
  function formatExportTime() {
    const now = new Date();
    return now.toLocaleString('en-US', {
      timeZone: 'Asia/Shanghai',
      year: 'numeric',
      month: '2-digit',
      day: '2-digit',
      hour: '2-digit',
      minute: '2-digit',
      second: '2-digit',
      hour12: false
    }).replace(/(\d+)\/(\d+)\/(\d+),?\s*(\d+):(\d+):(\d+)/, '$3/$1/$2 at $4:$5:$6');
  }

  function detectPlatform() {
    const url = (location.href || '').toLowerCase();
    if (url.includes('chatgpt') || url.includes('openai')) return 'chatgpt';
    if (url.includes('claude') || url.includes('anthropic')) return 'claude';
    if (url.includes('deepseek')) return 'deepseek';
    if (url.includes('cursor')) return 'cursor';
    if (url.includes('copilot')) return 'copilot';
    return 'unknown';
  }

  function getTitleFallback() {
    let title = document.title || 'Chat';
    const titleSelectors = [
      'h1',
      '.text-2xl',
      '[data-testid="conversation-title"]',
      '.conversation-title',
      '.chat-title',
      'title'
    ];
    for (const s of titleSelectors) {
      try {
        const el = document.querySelector(s);
        if (el && el.textContent && el.textContent.trim()) {
          title = el.textContent.trim();
          break;
        }
      } catch (_) {}
    }
    return title;
  }

  // Clean up labels <button> and <svg>
  function cleanContent(content) {
    if (!content) return '';
    content = content.replace(/<button(\s[^>]*)?>([\s\S]*?)<\/button>/gi, '');
    content = content.replace(/<svg[\s\S]*?<\/svg>/gi, '');
    return content;
  }

  // Inline Claude chat parser
  function parseClaudeMessages(doc) {
    const messageBlocks = Array.from(doc.querySelectorAll('div.group'));
    const messages = messageBlocks.map(block => {
      // Extract contents regardless roles
      const aiContent = block.querySelector('.font-claude-response');
      if (aiContent) {
        const html = aiContent.querySelector('.standard-markdown, .progressive-markdown');
        let content = html ? html.innerHTML : aiContent.innerHTML;
        content = cleanContent(content);
        return { content };
      }
      const userContent = block.querySelector('[data-testid="user-message"]');
      if (userContent) {
        let content = userContent.innerHTML;
        content = cleanContent(content);
        return { content };
      }
      return null;
    }).filter(Boolean);
    return messages;
  }

  async function gatherMessages() {
    const platform = detectPlatform();
    if (platform === 'claude') {
      try {
        return parseClaudeMessages(document);
      } catch (e) {
        console.error('Claude parser failed:', e);
        alert('Claude parser failed, chat not exported');
        return [];
      }
    }
    // All messages use 'Message N', regardless roles
    const messages = [];
    const messageSelectors = [
      '[data-message-author-role]',
      '[data-testid="conversation-turn"]',
      '.conversation-turn',
      '.message',
      '.chat-message',
      '.conversation-message',
      '[class*="message"]',
      '[class*="turn"]',
      '[class*="conversation"]'
    ];
    let messageElements = [];
    for (const selector of messageSelectors) {
      messageElements = document.querySelectorAll(selector);
      if (messageElements.length > 0) {
        break;
      }
    }
    if (messageElements.length === 0) {
      messageElements = document.querySelectorAll('div, section, article');
    }
    messageElements.forEach((element, index) => {
      try {
        let content = "";
        const contentSelectors = [
          '.markdown',
          '[data-message-content]',
          '.prose',
          '.message-content',
          '.conversation-content',
          '.content',
          '.text',
          '.message-text'
        ];
        let contentElement = null;
        for (const selector of contentSelectors) {
          contentElement = element.querySelector(selector);
          if (contentElement) break;
        }
        if (!contentElement) {
          contentElement = element;
        }
        if (contentElement) {
            content = contentElement.innerHTML || contentElement.textContent || "";
            content = cleanContent(content);
            content = content
              .replace(/<script[^>]*>[\s\S]*?<\/script>/gi, '')
              .replace(/<style[^>]*>[\s\S]*?<\/style>/gi, '')
              .replace(/on\w+="[^"]*"/gi, '')
              .trim();
        }
        if (content && content.length > 10) {
          messages.push({ index, content });
        }
      } catch (e) {
        // skip
      }
    });
    return messages;
  }

  // Dynamically load templates and styles，Render export content
  async function buildHTMLAsync({ title, exportTime, platform, messages }) {
    // Used uniformly across all platforms template.html
    function enhanceCodeBlocks(html) {

      // step1：Give <pre> first after <div>language tag</div> Add style class
      html = html.replace(
        /<pre[^>]*>\s*<div[^>]*>([^<]+)<\/div>/i,
        function(match, preAttrs, divAttrs, langText) {
          const lang = langText.trim();
          if (lang) {
            // Check if there is already class property
            if (/class\s*=\s*["']/.test(divAttrs)) {
              const newDivAttrs = divAttrs.replace(
                /class\s*=\s*["']([^"']*)["']/,
                'class="$1 code-lang-label"'
              );
              return `<pre${preAttrs}><div${newDivAttrs}>${lang}</div>`;
            } else {
              return `<pre${preAttrs}><div${divAttrs} class="code-lang-label">${lang}</div>`;
            }
          }
          return match;
        }
      );

      // step2：Unified handling of all code block structures（Keep your original logic）
      function wrapCodeBlockWithLang(line, codeBlockHtml, codeAttrs, codeContent) {
        // Directly wrap code blocks，Language tags are no longer processed（Already in step1deal with）
        return `<div class="code-block-box"><pre><code${codeAttrs}>${codeContent}</code></pre></div>`;
      }

      // deal with <code ...><span>...</span></code> structure
      // matchChatGPTThe complete code block structure of
      html = html.replace(
        /<pre[^>]*>[\s\S]*?<div[^>]*class="[^"]*rounded-2xl[^"]*"[^>]*>[\s\S]*?<div[^>]*class="flex items-center[^"]*">([^<]+)<\/div>[\s\S]*?<code([^>]*)>\s*<span([^>]*)>([\s\S]*?)<\/span>\s*<\/code>[\s\S]*?<\/div>\s*<\/pre>/gi,
        function(match, lang, codeAttrs, spanAttrs, codeContent) {
          return `<div class="code-block-box">
            <div class="code-lang-label">${lang.trim()}</div>
            <pre><code${codeAttrs}><span${spanAttrs}>${codeContent}</span></code></pre>
          </div>`;
        }
      );
      //Claude
      // Claudecode block capture（full version，Contains language tags）
      html = html.replace(
        /<div class="text-text-500 font-small[^"]*">([^<]+)<\/div>\s*<div>\s*<pre[^>]*class="code-block__code[^"]*"[^>]*>\s*<code([^>]*)>([\s\S]*?)<\/code>\s*<\/pre>\s*<\/div>/gi,
        function(match, lang, codeAttrs, codeContent) {
          return `<div class="code-block-box">
            <div class="code-lang-label">${lang.trim()}</div>
            <pre><code${codeAttrs}>${codeContent}</code></pre>
          </div>`;
        }
      );
      //Copilot
      // Matches the entire code block container（Include language tags）
      html = html.replace(
        /<div class="rounded-xl[^"]*"[\s\S]*?<span class="capitalize">([^<]+)<\/span>[\s\S]*?<pre[^>]*>\s*<code([^>]*)>\s*<span([^>]*)>([\s\S]*?)<\/span>\s*<\/code>\s*<\/pre>[\s\S]*?<\/div>/gi,
        function(match, lang, codeAttrs, spanAttrs, codeContent) {
          return `<div class="code-block-box">
            <div class="code-lang-label">${lang}</div>
            <pre><code${codeAttrs}><span${spanAttrs}>${codeContent}</span></code></pre>
          </div>`;
        }
      );
      //Deepseek
      html = html.replace(
      /<div class="md-code-block[^"]*">[\s\S]*?<span class="d813de27">([^<]+)<\/span>[\s\S]*?<pre>([\s\S]*?)<\/pre>[\s\S]*?<\/div>/gi,
      function(match, lang, codeContent) {
        // lang = "bash", "haskell" wait
        // codeContent = complete code（Include <span> Label）
        return `<div class="code-block-box">
          <div class="code-lang-label">${lang}</div>
          <pre>${codeContent}</pre>
        </div>`;
      }
    );
    //Grok
    // Grokcode block capture（Contains language tags）
    html = html.replace(
      /<div[^>]*class="[^"]*@container\/code-block[^"]*"[^>]*>[\s\S]*?<span class="font-mono text-xs">([^<]+)<\/span>[\s\S]*?<pre[^>]*class="shiki[^"]*"[^>]*>\s*<code[^>]*>([\s\S]*?)<\/code>\s*<\/pre>[\s\S]*?<\/div>/gi,
      function(match, lang, codeContent) {
        return `<div class="code-block-box">
          <div class="code-lang-label">${lang.trim()}</div>
          <pre><code>${codeContent}</code></pre>
        </div>`;
      }
    );
    // Gemini
    // Gemini（Bard / Gemini）code block capture
    html = html.replace(
      /<div[^>]*class="[^"]*\bcode-block\b[^"]*"[^>]*>[\s\S]*?<pre[^>]*>[\s\S]*?<code[^>]*class="[^"]*\bcode-container\b[^"]*"[^>]*>([\s\S]*?)<\/code>[\s\S]*?<\/pre>[\s\S]*?<\/div>/gi,
      function(match, codeContent) {
        // Gemini No language provided，Fill in by default "text" Or you can fill in "plain"
        const lang = "text";

        return `
          <div class="code-block-box">
            <div class="code-lang-label">${lang}</div>
            <pre><code class="language-${lang}">${codeContent}</code></pre>
          </div>
        `;
      }
    );


    // Perplexity.ai Code block parsing
    html = html.replace(
      /<div class="w-full md:max-w-\[90vw\]">[\s\S]*?<div data-testid="code-language-indicator"[^>]*>([^<]+)<\/div>[\s\S]*?<code[^>]*>([\s\S]*?)<\/code>[\s\S]*?<\/div>\s*<\/pre>\s*<\/div>/gi,
      function(match, lang, codeContent) {

        // extract Perplexity code content：code the first in <span> content inside
        const codeMatch = codeContent.match(/<span[^>]*>([\s\S]*?)<\/span>/);

        const innerCode = codeMatch ? codeMatch[1] : codeContent;

        return `
    <div class="code-block-box">
      <div class="code-lang-label">${lang.trim()}</div>
      <pre><code class="language-${lang.trim()}">${innerCode}</code></pre>
    </div>`;
      }
    );

    //Poe
    // Poe Code block parsing
    html = html.replace(
      /<div class="MarkdownCodeBlock_container__[^"]+">[\s\S]*?<div class="MarkdownCodeBlock_languageName__[^"]+">([^<]+)<\/div>[\s\S]*?<pre[^>]*>[\s\S]*?<code[^>]*>([\s\S]*?)<\/code>[\s\S]*?<\/pre>[\s\S]*?<\/div>/gi,
      function(match, lang, codeContent) {

        // Poe of <code> There may be span，Need to extract pure internal code
        const codeMatch = codeContent.match(/<span[^>]*>([\s\S]*?)<\/span>/);

        const innerCode = codeMatch ? codeMatch[1] : codeContent;

        return `
    <div class="code-block-box">
      <div class="code-lang-label">${lang.trim()}</div>
      <pre><code class="language-${lang.trim()}">${innerCode}</code></pre>
    </div>`;
      }
    );


      return html;
    }
    const renderedContent = messages.map((msg, i) => {
      const roleName = `Message ${i + 1}`;
      return enhanceCodeBlocks(`
    <div class=\"message\">\n      <div class=\"message-header\">${roleName}</div>\n      <div class=\"message-content\">${msg.content}</div>\n    </div>`);
    }).join('');
    // Dynamically load templates
    //const templateUrl = chrome.runtime.getURL('template.html');
    //let template = await fetch(templateUrl).then(r => r.text());
    let template = TEMPLATE_HTML;
    // replace placeholder
    template = template.replace(/{{title}}/g, title)
      .replace(/{{exportTime}}/g, exportTime)
      .replace(/{{platform}}/g, platform)
      .replace(/{{content}}/g, renderedContent);
    return template;
  }

  function downloadHtml(filename, html) {
    const blob = new Blob([html], { type: 'text/html;charset=utf-8' });
    const url = URL.createObjectURL(blob);
    const a = document.createElement('a');
    a.href = url;
    a.download = filename;
    document.body.appendChild(a);
    a.click();
    a.remove();
    setTimeout(() => URL.revokeObjectURL(url), 10000);
  }

  function sanitizeFilename(name) {
    return String(name || 'chat')
      .replace(/[<>:"/\\|?*]/g, '_')
      .replace(/\s+/g, ' ')
      .trim()
      .slice(0, 120);
  }

  async function exportChatAsync() {
    const platform = detectPlatform();
    const exportTime = formatExportTime();
    const title = getTitleFallback();
    const messages = await gatherMessages();
    const html = await buildHTMLAsync({ title, exportTime, platform, messages });

    const timestamp = new Date().toISOString().replace(/[:.]/g, '-').slice(0, 19);
    const filename = `${timestamp}_${sanitizeFilename(title)}.html`;
    downloadHtml(filename, html);
  }

  exportChatAsync().then(() => {
    console.log('✅ Universal Chat Exporter: exported HTML');
  }).catch(e => {
    console.error('❌ Universal Chat Exporter error:', e);
    alert('Export failed：' + e);
  });
})();