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(function() { 'use strict';
function formatFrontMatterToYAML(data) { let yamlString = '---\n'; yamlString += `title: ${data.title}\n`; yamlString += `date: ${data.date}\n`; if (data.updated && data.updated !== data.date) { yamlString += `updated: ${data.updated}\n`; } if (data.categories && data.categories.length > 0) { yamlString += 'categories:\n'; data.categories.forEach(cat => { yamlString += ` - ${cat}\n`; }); } if (data.tags && data.tags.length > 0) { yamlString += 'tags:\n'; data.tags.forEach(tag => { yamlString += ` - ${tag}\n`; }); } yamlString += '---\n\n'; return yamlString; }
function sanitizeFilename(filename) { return filename.replace(/[<>:"/\\|?*]/g, '_') .replace(/\s+/g, '_') .replace(/_{2,}/g, '_') .replace(/^_|_$/g, ''); }
function downloadFile(content, filename) { try { const blob = new Blob([content], { type: 'text/markdown;charset=utf-8' }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = filename; a.style.display = 'none'; document.body.appendChild(a); a.click(); document.body.removeChild(a); URL.revokeObjectURL(url); return true; } catch (error) { console.error('文件下载失败:', error); return false; } }
function validatePostData(postData) { if (!postData) { return { valid: false, message: '文章数据不存在' }; } if (!postData.title) { return { valid: false, message: '文章标题缺失' }; } if (!postData.content) { return { valid: false, message: '文章内容缺失' }; } if (!postData.date) { return { valid: false, message: '文章日期缺失' }; } return { valid: true, message: '数据验证通过' }; }
function handleDownloadClick() { try { console.log('开始处理Markdown文件下载...'); const postData = window.postData; console.log('文章数据:', postData); const validation = validatePostData(postData); if (!validation.valid) { throw new Error(validation.message); } const frontMatter = formatFrontMatterToYAML(postData); console.log('生成的Front-matter:', frontMatter); const fullContent = frontMatter + postData.content; const safeFilename = sanitizeFilename(postData.title) + '.md'; console.log('生成的文件名:', safeFilename); const downloadSuccess = downloadFile(fullContent, safeFilename); if (downloadSuccess) { console.log('✅ Markdown文件下载成功:', safeFilename); if (window.anzhiyu && window.anzhiyu.snackbarShow) { window.anzhiyu.snackbarShow('📄 Markdown文件下载成功!'); } } else { throw new Error('文件下载过程中发生错误'); } } catch (error) { console.error('❌ 下载文章源文件失败:', error); console.error('错误详情:', { message: error.message, stack: error.stack, postData: window.postData }); alert(`下载失败: ${error.message}\n\n请检查浏览器控制台获取更多技术信息。`); } }
function initArticleDownload() { console.log('🚀 初始化Markdown下载功能...'); const downloadBtn = document.getElementById('download-md-btn'); const hasPostData = window.postData; console.log('下载按钮元素:', downloadBtn); console.log('文章数据可用:', !!hasPostData); if (downloadBtn && hasPostData) { downloadBtn.removeEventListener('click', handleDownloadClick); downloadBtn.addEventListener('click', handleDownloadClick); console.log('✅ Markdown下载功能初始化成功'); } else { console.warn('⚠️ Markdown下载功能初始化失败:', { downloadBtn: !!downloadBtn, postData: !!hasPostData, currentPage: window.location.pathname }); } }
function onPageReady() { setTimeout(initArticleDownload, 100); }
if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', onPageReady); } else { onPageReady(); }
document.addEventListener('pjax:success', onPageReady);
window.MarkdownDownload = { init: initArticleDownload, download: handleDownloadClick, version: '1.0.0' };
console.log('📦 Markdown下载模块加载完成 v1.0.0');
})();
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