🆕 Add new simple-markdown-render directory

This commit is contained in:
2026-05-17 15:20:50 +08:00
parent c11b964df4
commit 7eba627c86
2 changed files with 532 additions and 0 deletions
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover">
<title>Markdown Renderer</title>
<!-- <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script> -->
<script src="https://cdn.hatter.ink/doc/18837_2D3503C6AA42672F4699D5608BC15B60/marked.min.js"></script>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
html {
height: 100%;
overscroll-behavior: auto;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
overflow-x: hidden;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100dvh;
min-height: 100%;
display: flex;
justify-content: center;
align-items: flex-start;
padding: calc(env(safe-area-inset-top) + 20px) env(safe-area-inset-right) calc(env(safe-area-inset-bottom) + 20px) env(safe-area-inset-left);
margin: 0;
overflow-y: auto;
overflow-x: hidden;
-webkit-overflow-scrolling: touch;
max-width: 100%;
}
.container {
background: white;
border-radius: 16px;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
padding: 20px;
max-width: 800px;
width: 100%;
margin: 20px;
box-sizing: border-box;
}
h1 {
text-align: center;
color: #333;
margin-bottom: 10px;
font-size: 20px;
position: relative;
}
.subtitle {
text-align: center;
color: #666;
margin-bottom: 30px;
}
.input-row {
display: flex;
gap: 8px;
margin-bottom: 20px;
}
.url-input {
flex: 1;
padding: 10px 14px;
border: 2px solid #e0e0e0;
border-radius: 8px;
font-size: 14px;
outline: none;
transition: border-color 0.2s;
}
.url-input:focus {
border-color: #667eea;
}
.submit-btn {
padding: 10px 20px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
border: none;
border-radius: 8px;
font-size: 14px;
cursor: pointer;
transition: transform 0.2s;
white-space: nowrap;
}
.submit-btn:hover {
transform: scale(1.05);
}
.drop-zone {
border: 2px dashed #667eea;
border-radius: 12px;
padding: 10px 20px;
text-align: center;
background: #f8f9ff;
transition: all 0.3s ease;
cursor: pointer;
margin-bottom: 20px;
}
.drop-zone.drag-over {
background: #e8eaff;
border-color: #764ba2;
transform: scale(1.02);
}
.drop-zone-icon {
font-size: 40px;
margin-bottom: 10px;
}
.drop-zone-text {
color: #555;
font-size: 16px;
}
.drop-zone-text strong {
color: #667eea;
}
#fileInput {
display: none;
}
.loading {
text-align: center;
color: #667eea;
padding: 20px;
display: none;
}
.loading.visible {
display: block;
}
.spinner {
display: inline-block;
width: 24px;
height: 24px;
border: 3px solid #e8eaff;
border-top-color: #667eea;
border-radius: 50%;
animation: spin 0.8s linear infinite;
margin-right: 8px;
vertical-align: middle;
}
@keyframes spin {
to { transform: rotate(360deg); }
}
.error {
padding: 15px;
background: #ffe6e6;
border-radius: 8px;
color: #d63031;
display: none;
margin-bottom: 20px;
}
.error.visible {
display: block;
}
.render-output {
display: none;
}
.render-output.visible {
display: block;
}
.render-output .source-bar {
display: flex;
justify-content: space-between;
align-items: center;
padding: 8px 12px;
background: #f0f4ff;
border-radius: 8px 8px 0 0;
font-size: 13px;
color: #666;
}
.source-bar button {
padding: 4px 12px;
background: #667eea;
color: white;
border: none;
border-radius: 4px;
font-size: 12px;
cursor: pointer;
margin-left: 4px;
}
.source-bar button:hover {
background: #5568d3;
}
.markdown-body {
padding: 20px;
border: 1px solid #e0e0e0;
border-top: none;
border-radius: 0 0 8px 8px;
line-height: 1.6;
color: #333;
overflow-wrap: break-word;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3,
.markdown-body h4, .markdown-body h5, .markdown-body h6 {
margin-top: 24px;
margin-bottom: 16px;
font-weight: 600;
line-height: 1.25;
}
.markdown-body h1 { font-size: 2em; border-bottom: 1px solid #eaecef; padding-bottom: 0.3em; }
.markdown-body h2 { font-size: 1.5em; border-bottom: 1px solid #eaecef; padding-bottom: 0.3em; }
.markdown-body h3 { font-size: 1.25em; }
.markdown-body p { margin-bottom: 16px; }
.markdown-body a { color: #667eea; text-decoration: none; }
.markdown-body a:hover { text-decoration: underline; }
.markdown-body code {
padding: 0.2em 0.4em;
background: #f6f8fa;
border-radius: 3px;
font-size: 0.9em;
}
.markdown-body pre {
padding: 16px;
background: #f6f8fa;
border-radius: 6px;
overflow-x: auto;
margin-bottom: 16px;
}
.markdown-body pre code {
padding: 0;
background: none;
font-size: 0.85em;
}
.markdown-body blockquote {
padding: 0 1em;
color: #6a737d;
border-left: 0.25em solid #dfe2e5;
margin: 0 0 16px 0;
}
.markdown-body ul, .markdown-body ol {
padding-left: 2em;
margin-bottom: 16px;
}
.markdown-body li { margin-bottom: 0.25em; }
.markdown-body table {
border-collapse: collapse;
margin-bottom: 16px;
width: 100%;
}
.markdown-body th, .markdown-body td {
padding: 6px 13px;
border: 1px solid #dfe2e5;
}
.markdown-body th {
background: #f6f8fa;
font-weight: 600;
}
.markdown-body tr:nth-child(2n) {
background: #f6f8fa;
}
.markdown-body img {
max-width: 100%;
height: auto;
}
.markdown-body hr {
height: 0.25em;
padding: 0;
margin: 24px 0;
background-color: #e1e4e8;
border: 0;
}
.toast {
position: fixed;
bottom: 20px;
left: 50%;
transform: translateX(-50%) translateY(100px);
background: #333;
color: white;
padding: 10px 20px;
border-radius: 8px;
font-size: 14px;
opacity: 0;
transition: all 0.3s ease;
z-index: 1000;
}
.toast.visible {
transform: translateX(-50%) translateY(0);
opacity: 1;
}
</style>
</head>
<body>
<div class="container">
<h1>Markdown Renderer</h1>
<p class="subtitle">Enter a URL or drop a markdown file</p>
<div class="input-row">
<input type="text" class="url-input" id="urlInput" placeholder="https://example.com/file.md">
<button class="submit-btn" id="submitBtn">Render</button>
</div>
<div class="drop-zone" id="dropZone">
<div class="drop-zone-icon">&#128196;</div>
<p class="drop-zone-text">
<strong>Drop file here</strong> or click to browse
</p>
</div>
<input type="file" id="fileInput" accept=".md,.markdown,.txt,.text">
<div class="loading" id="loading">
<span class="spinner"></span> Loading...
</div>
<div class="error" id="error"></div>
<div class="render-output" id="renderOutput">
<div class="source-bar">
<span id="sourceLabel"></span>
<div>
<button id="copyMdBtn">Copy Markdown</button>
<button id="rawBtn">View Raw</button>
</div>
</div>
<div class="markdown-body" id="renderedContent"></div>
</div>
</div>
<div class="toast" id="toast"></div>
<script>
const urlInput = document.getElementById('urlInput');
const submitBtn = document.getElementById('submitBtn');
const dropZone = document.getElementById('dropZone');
const fileInput = document.getElementById('fileInput');
const loading = document.getElementById('loading');
const error = document.getElementById('error');
const renderOutput = document.getElementById('renderOutput');
const renderedContent = document.getElementById('renderedContent');
const sourceLabel = document.getElementById('sourceLabel');
const copyMdBtn = document.getElementById('copyMdBtn');
const rawBtn = document.getElementById('rawBtn');
const toast = document.getElementById('toast');
let currentRawText = '';
// Extension system: loaders registry
// Loaders are functions that take a URL/source and return text content.
// Register custom loaders via window.registerLoader(name, fn).
const loaders = {};
// Default HTTP/HTTPS loader with extension hooks
const defaultHttpLoader = async (url) => {
const response = await fetch(url, {
headers: { 'Accept': 'text/markdown, text/plain, */*' }
});
if (!response.ok) throw new Error(`HTTP ${response.status}: ${response.statusText}`);
return await response.text();
};
loaders['http'] = defaultHttpLoader;
loaders['https'] = defaultHttpLoader;
window.registerLoader = function(name, fn) {
loaders[name] = fn;
};
window.getLoaders = function() { return loaders; };
function resolveLoader(source) {
// Check if any registered loader claims this source
for (const [name, fn] of Object.entries(loaders)) {
if (fn.claims && fn.claims(source)) {
return fn;
}
}
// Try scheme-based resolution
const match = source.match(/^([a-zA-Z][a-zA-Z0-9+.-]*):\/\//);
if (match && loaders[match[1]]) {
return loaders[match[1]];
}
if (match && loaders['*']) {
return loaders['*'];
}
return defaultHttpLoader;
}
async function loadContent(source) {
const loader = resolveLoader(source);
return await loader(source);
}
function renderMarkdown(text, source) {
currentRawText = text;
const html = marked.parse(text);
renderedContent.innerHTML = html;
sourceLabel.textContent = source || 'Dropped file';
renderOutput.classList.add('visible');
}
function showToast(message) {
toast.textContent = message;
toast.classList.add('visible');
setTimeout(() => toast.classList.remove('visible'), 2000);
}
function showError(message) {
error.textContent = message;
error.classList.add('visible');
}
function hideError() {
error.classList.remove('visible');
}
function showLoading() { loading.classList.add('visible'); }
function hideLoading() { loading.classList.remove('visible'); }
function hideResult() { renderOutput.classList.remove('visible'); }
async function handleUrl(url) {
if (!url) return;
hideError();
hideResult();
showLoading();
try {
const text = await loadContent(url);
hideLoading();
renderMarkdown(text, url);
} catch (err) {
hideLoading();
showError(`Failed to load: ${err.message}`);
}
}
function handleFile(file) {
hideError();
hideResult();
showLoading();
const reader = new FileReader();
reader.onload = (e) => {
hideLoading();
renderMarkdown(e.target.result, file.name);
};
reader.onerror = () => {
hideLoading();
showError('Failed to read file');
};
reader.readAsText(file);
}
submitBtn.addEventListener('click', () => handleUrl(urlInput.value.trim()));
urlInput.addEventListener('keydown', (e) => {
if (e.key === 'Enter') handleUrl(urlInput.value.trim());
});
dropZone.addEventListener('click', () => fileInput.click());
dropZone.addEventListener('dragover', (e) => {
e.preventDefault();
dropZone.classList.add('drag-over');
});
dropZone.addEventListener('dragleave', () => {
dropZone.classList.remove('drag-over');
});
dropZone.addEventListener('drop', (e) => {
e.preventDefault();
dropZone.classList.remove('drag-over');
const files = e.dataTransfer.files;
if (files.length > 0) handleFile(files[0]);
});
fileInput.addEventListener('change', (e) => {
if (e.target.files.length > 0) handleFile(e.target.files[0]);
});
copyMdBtn.addEventListener('click', () => {
navigator.clipboard.writeText(currentRawText).then(() => showToast('Copied!'));
});
rawBtn.addEventListener('click', () => {
const blob = new Blob([currentRawText], { type: 'text/markdown' });
const url = URL.createObjectURL(blob);
window.open(url, '_blank');
});
// Handle URL parameter: ?url=...
const params = new URLSearchParams(window.location.search);
const urlParam = params.get('url');
if (urlParam) {
urlInput.value = urlParam;
handleUrl(urlParam);
}
</script>
</body>
</html>
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{
"path":"simple-markdown-render"
}