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docs: HTML-first 幻灯片架构 + grammar 模板 + moxt 实战经验
幻灯片交付升级为 HTML-first:每页独立 HTML + index.html 聚合永远是 默认基础产物,PDF/PPTX 是从 HTML 一行命令导出的衍生物。 核心变化: - export_deck_pptx.mjs 删掉 image 模式(168 行→85 行),只保留 editable 路径 - editable-pptx.md 末尾新增 Fallback 章节:已有视觉稿又必须出 editable PPTX 时,AI 以视觉稿为蓝本重写合规 HTML(不是硬转截图) - slide-decks.md 新增 3 节: · 批量制作前先做 2 页 grammar showcase 的流程规则(≥5 页 deck 强制) · 出版物 grammar 模板(masthead + kicker + h1 + italic 副 + footer,moxt 实测) · 常见踩坑(emoji 不渲染 / playwright 路径 / 字体加载 / 信息密度) - SKILL.md 同步更新 checkpoint 和 Starter Components 表格 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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#!/usr/bin/env node
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/**
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* export_deck_pptx.mjs — 把多文件 slide deck 导出为 PPTX
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*
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* 两种模式:
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* --mode image 图片铺底,视觉 100% 保真,⚠️ 文字不可编辑
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* --mode editable 文本框原生,文字可编辑,要求 HTML 符合 4 条硬约束(见 references/editable-pptx.md)
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* export_deck_pptx.mjs — 把多文件 slide deck 导出为可编辑 PPTX
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*
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* 用法:
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* # 图片模式(默认)
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* node export_deck_pptx.mjs --slides <dir> --out <file.pptx>
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* # 可编辑模式
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* node export_deck_pptx.mjs --slides <dir> --out <file.pptx> --mode editable
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*
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* --mode image 特点:
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* - 每张 slide 截图成 PNG,满铺一张 PPTX 页面
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* - 视觉 100% 保真(因为就是图片)
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* - 文字不可编辑
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* - HTML 随便写,不挑格式
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*
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* --mode editable 特点:
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* - 调用 scripts/html2pptx.js 把 HTML DOM 逐元素翻译成 PowerPoint 对象
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* 行为:
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* - 调用 scripts/html2pptx.js 把 HTML DOM 逐元素翻译成 PowerPoint 原生对象
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* - 文字是真文本框,PPT 里直接双击能编辑
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* - ⚠️ HTML 必须符合 4 条硬约束(见 references/editable-pptx.md):
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* 1. 文字包在 <p>/<h1>-<h6> 里(div 不能直接放文字)
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* 2. 不用 CSS 渐变
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* 3. <p>/<h*> 不能有 background/border/shadow(放外层 div)
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* 4. div 不能 background-image(用 <img>)
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* - body 尺寸默认 960pt × 540pt(LAYOUT_WIDE,13.333″ × 7.5″)
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* - 视觉驱动的 HTML 几乎无法 pass —— 必须从写 HTML 的第一行就按约束写
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* - body 尺寸 960pt × 540pt(LAYOUT_WIDE,13.333″ × 7.5″)
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*
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* 依赖:
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* --mode image: npm install playwright pptxgenjs
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* --mode editable: npm install playwright pptxgenjs sharp
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* ⚠️ HTML 必须符合 4 条硬约束(见 references/editable-pptx.md):
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* 1. 文字包在 <p>/<h1>-<h6> 里(div 不能直接放文字)
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* 2. 不用 CSS 渐变
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* 3. <p>/<h*> 不能有 background/border/shadow(放外层 div)
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* 4. div 不能 background-image(用 <img>)
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*
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* 视觉驱动的 HTML 几乎无法 pass —— 必须从写 HTML 的第一行就按约束写。
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* 视觉自由度优先的场景(动画、web component、CSS 渐变、复杂 SVG)
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* 应改用 export_deck_pdf.mjs / export_deck_stage_pdf.mjs 导出 PDF。
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*
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* 依赖:npm install playwright pptxgenjs sharp
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*
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* 按文件名排序(01-xxx.html → 02-xxx.html → ...)。
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*/
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import { chromium } from 'playwright';
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import pptxgen from 'pptxgenjs';
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import fs from 'fs/promises';
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import path from 'path';
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import os from 'os';
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import { fileURLToPath } from 'url';
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const __dirname = path.dirname(fileURLToPath(import.meta.url));
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function parseArgs() {
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const args = { width: 1920, height: 1080, mode: 'image' };
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const args = {};
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const a = process.argv.slice(2);
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for (let i = 0; i < a.length; i += 2) {
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const k = a[i].replace(/^--/, '');
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args[k] = a[i + 1];
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}
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if (!args.slides || !args.out) {
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console.error('用法: node export_deck_pptx.mjs --slides <dir> --out <file.pptx> [--mode image|editable] [--width 1920] [--height 1080]');
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process.exit(1);
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}
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args.width = parseInt(args.width);
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args.height = parseInt(args.height);
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if (!['image', 'editable'].includes(args.mode)) {
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console.error(`未知 --mode: ${args.mode}。支持: image, editable`);
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console.error('用法: node export_deck_pptx.mjs --slides <dir> --out <file.pptx>');
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console.error('');
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console.error('⚠️ HTML 必须符合 4 条硬约束(见 references/editable-pptx.md)。');
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console.error(' 视觉自由度优先的场景请改用 export_deck_pdf.mjs 导出 PDF。');
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process.exit(1);
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}
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return args;
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}
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async function exportImage({ slidesDir, outFile, files, width, height }) {
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console.log(`[image mode] Rendering ${files.length} slides as PNG...`);
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async function main() {
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const { slides, out } = parseArgs();
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const slidesDir = path.resolve(slides);
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const outFile = path.resolve(out);
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const browser = await chromium.launch();
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const ctx = await browser.newContext({ viewport: { width, height } });
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const page = await ctx.newPage();
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const tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), 'deck-pptx-'));
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const pngs = [];
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for (const f of files) {
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const url = 'file://' + path.join(slidesDir, f);
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await page.goto(url, { waitUntil: 'networkidle' }).catch(() => page.goto(url));
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await page.waitForTimeout(1200);
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const out = path.join(tmpDir, f.replace(/\.html$/, '.png'));
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await page.screenshot({ path: out, fullPage: false });
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pngs.push(out);
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console.log(` [${pngs.length}/${files.length}] ${f}`);
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const files = (await fs.readdir(slidesDir))
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.filter(f => f.endsWith('.html'))
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.sort();
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if (!files.length) {
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console.error(`No .html files found in ${slidesDir}`);
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process.exit(1);
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}
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await browser.close();
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const pres = new pptxgen();
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pres.defineLayout({ name: 'DECK', width: width / 96, height: height / 96 });
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pres.layout = 'DECK';
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for (const png of pngs) {
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const s = pres.addSlide();
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s.addImage({ path: png, x: 0, y: 0, w: pres.width, h: pres.height });
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}
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await pres.writeFile({ fileName: outFile });
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console.log(`Converting ${files.length} slides via html2pptx...`);
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for (const p of pngs) await fs.unlink(p).catch(() => {});
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await fs.rmdir(tmpDir).catch(() => {});
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console.log(`\n✓ Wrote ${outFile} (${files.length} slides, image mode, 文字不可编辑)`);
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}
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async function exportEditable({ slidesDir, outFile, files }) {
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console.log(`[editable mode] Converting ${files.length} slides via html2pptx...`);
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// 动态 require html2pptx.js(CommonJS 模块)
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const { createRequire } = await import('module');
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const require = createRequire(import.meta.url);
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let html2pptx;
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@@ -111,7 +71,7 @@ async function exportEditable({ slidesDir, outFile, files }) {
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html2pptx = require(path.join(__dirname, 'html2pptx.js'));
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} catch (e) {
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console.error(`✗ 加载 html2pptx.js 失败:${e.message}`);
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console.error(` 该模块依赖 sharp —— 请跑 npm install sharp 后重试。`);
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console.error(` 依赖缺失时请跑:npm install playwright pptxgenjs sharp`);
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process.exit(1);
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}
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@@ -141,27 +101,7 @@ async function exportEditable({ slidesDir, outFile, files }) {
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}
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await pres.writeFile({ fileName: outFile });
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console.log(`\n✓ Wrote ${outFile} (${files.length - errors.length}/${files.length} slides, editable mode, 文字可在 PPT 中直接编辑)`);
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}
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async function main() {
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const { slides, out, width, height, mode } = parseArgs();
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const slidesDir = path.resolve(slides);
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const outFile = path.resolve(out);
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const files = (await fs.readdir(slidesDir))
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.filter(f => f.endsWith('.html'))
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.sort();
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if (!files.length) {
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console.error(`No .html files found in ${slidesDir}`);
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process.exit(1);
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}
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if (mode === 'image') {
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await exportImage({ slidesDir, outFile, files, width, height });
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} else {
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await exportEditable({ slidesDir, outFile, files });
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}
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console.log(`\n✓ Wrote ${outFile} (${files.length - errors.length}/${files.length} slides, 可编辑 PPTX)`);
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}
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main().catch(e => { console.error(e); process.exit(1); });
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