Files
memind/scripts/thumbnail-preview-demo.mjs
T
John 2e14873f2d Initial commit: Memind H5 portal with MindSpace, Plaza, and agent jobs.
Track application source and tests; exclude local env, user workspaces, and runtime data via .gitignore.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-15 15:04:43 -07:00

144 lines
5.5 KiB
JavaScript

#!/usr/bin/env node
import fs from 'node:fs/promises';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import {
buildFeedThumbnailSvg,
buildThumbnailSvg,
extractCoverSignals,
generateHtmlThumbnail,
resolveCoverDataUri,
} from '../mindspace-thumbnails.mjs';
const root = path.join(path.dirname(fileURLToPath(import.meta.url)), '..');
const outputDir = path.join(root, 'public', 'thumbnail-demo');
const samples = [
{
id: 'malaysia-travel',
file: path.join(root, 'MindSpace', 'john', 'malaysia-travel-guide.html'),
meta: {
tag: '旅行攻略',
subtitle: '马来西亚深度游',
cover: 'https://images.unsplash.com/photo-1596422846543-75c6fc197f07?auto=format&fit=crop&w=1200&q=80',
},
},
{
id: 'mapo-tofu',
file: path.join(root, 'MindSpace', 'john', 'mapo-tofu.html'),
meta: {
tag: '美食专题',
cover: 'https://images.unsplash.com/photo-1525755662778-989d0529657e?auto=format&fit=crop&w=1200&q=80',
},
},
];
function galleryCard({ id, title, subtitle }) {
return `
<article class="feed-card">
<div class="feed-cover"><img src="./${id}-feed.svg" alt="${title} 预览图" /></div>
<div class="feed-body">
<h3>${title}</h3>
<p>${subtitle}</p>
</div>
</article>`;
}
async function main() {
await fs.mkdir(outputDir, { recursive: true });
const cards = [];
for (const sample of samples) {
let html = '';
try {
html = await fs.readFile(sample.file, 'utf8');
} catch {
console.warn(`跳过缺失样本: ${sample.file}`);
continue;
}
const signals = extractCoverSignals(html, sample.meta);
const legacySvg = buildThumbnailSvg({
title: signals.title,
subtitle: sample.meta.subtitle ?? signals.subtitle,
accent: signals.accent,
});
const coverDataUri = signals.image
? await resolveCoverDataUri({
storageRoot: outputDir,
contentBaseDir: path.dirname(sample.file),
imageUrl: signals.image,
})
: null;
const feedSvg = buildFeedThumbnailSvg(signals, { coverDataUri });
await fs.writeFile(path.join(outputDir, `${sample.id}-legacy.svg`), legacySvg, 'utf8');
await fs.writeFile(path.join(outputDir, `${sample.id}-feed.svg`), feedSvg, 'utf8');
await generateHtmlThumbnail(outputDir, `${sample.id}-generated.svg`, html, {
...sample.meta,
contentBaseDir: path.dirname(sample.file),
});
cards.push(
galleryCard({
id: sample.id,
title: signals.title,
subtitle: `${signals.tag} · 新版 3:4 封面`,
}),
);
}
const html = `<!doctype html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>MindSpace 预览图 Demo</title>
<style>
:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #f4f0e7; color: #18211d; }
body { margin: 0; padding: 24px; }
h1 { margin: 0 0 8px; font-size: 28px; }
.lead { margin: 0 0 24px; color: #5f6963; line-height: 1.6; }
.compare { display: grid; gap: 28px; }
.sample { padding: 20px; border-radius: 20px; background: #fff; box-shadow: 0 10px 30px rgba(24,33,29,0.08); }
.sample h2 { margin: 0 0 16px; font-size: 20px; }
.pair { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.thumb { display: grid; gap: 8px; }
.thumb img { width: 100%; border-radius: 12px; box-shadow: 0 8px 24px rgba(24,33,29,0.12); }
.thumb span { font-size: 13px; color: #6d7771; }
.feed-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; max-width: 520px; }
.feed-card { border: none; border-radius: 12px; overflow: hidden; background: #fff; box-shadow: 0 2px 10px rgba(24,33,29,0.07); }
.feed-cover { aspect-ratio: 3 / 4; background: #ece7df; }
.feed-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.feed-body { padding: 10px 12px 12px; }
.feed-body h3 { margin: 0; font-size: 14px; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.feed-body p { margin: 6px 0 0; font-size: 12px; color: #939c97; }
</style>
</head>
<body>
<h1>MindSpace 预览图升级 Demo</h1>
<p class="lead">左侧为旧版横版缩略图,中间为新版 3:4 信息流封面(自动从 HTML 提取标题、配色、emoji),右侧为保存页面时实际写入的 thumbnail.svg。下方是小红书风格卡片效果。</p>
<div class="compare">
${cards
.map(
(card, index) => `
<section class="sample">
<h2>样本 ${index + 1}</h2>
<div class="pair">
<div class="thumb"><img src="./${samples[index].id}-legacy.svg" alt="旧版" /><span>旧版(横版字卡)</span></div>
<div class="thumb"><img src="./${samples[index].id}-feed.svg" alt="新版" /><span>新版(3:4 精美封面)</span></div>
<div class="thumb"><img src="./${samples[index].id}-generated.svg" alt="生成结果" /><span>generateHtmlThumbnail 输出</span></div>
</div>
<div class="feed-grid" style="margin-top:18px">${card}</div>
</section>`,
)
.join('')}
</div>
</body>
</html>`;
await fs.writeFile(path.join(outputDir, 'index.html'), html, 'utf8');
console.log(`已生成预览页: ${path.join(outputDir, 'index.html')}`);
console.log('本地查看: http://localhost:5173/thumbnail-demo/');
}
await main();