feat: update slide deck

2026-07-21 09:49:48 +08:00 · 2026-01-17 03:11:50 -06:00
parent fa155da15d
commit c731faea8f
21 changed files with 1124 additions and 405 deletions
@@ -0,0 +1,137 @@
+import { existsSync, readdirSync, readFileSync } from "fs";
+import { join, basename, extname } from "path";
+import PptxGenJS from "pptxgenjs";
+
+interface SlideInfo {
+  filename: string;
+  path: string;
+  index: number;
+  promptPath?: string;
+}
+
+function parseArgs(): { dir: string; output?: string } {
+  const args = process.argv.slice(2);
+  let dir = "";
+  let output: string | undefined;
+
+  for (let i = 0; i < args.length; i++) {
+    if (args[i] === "--output" || args[i] === "-o") {
+      output = args[++i];
+    } else if (!args[i].startsWith("-")) {
+      dir = args[i];
+    }
+  }
+
+  if (!dir) {
+    console.error("Usage: bun merge-to-pptx.ts <slide-deck-dir> [--output filename.pptx]");
+    process.exit(1);
+  }
+
+  return { dir, output };
+}
+
+function findSlideImages(dir: string): SlideInfo[] {
+  if (!existsSync(dir)) {
+    console.error(`Directory not found: ${dir}`);
+    process.exit(1);
+  }
+
+  const files = readdirSync(dir);
+  const slidePattern = /^(\d+)-slide-.*\.(png|jpg|jpeg)$/i;
+  const promptsDir = join(dir, "prompts");
+  const hasPrompts = existsSync(promptsDir);
+
+  const slides: SlideInfo[] = files
+    .filter((f) => slidePattern.test(f))
+    .map((f) => {
+      const match = f.match(slidePattern);
+      const baseName = f.replace(/\.(png|jpg|jpeg)$/i, "");
+      const promptPath = hasPrompts ? join(promptsDir, `${baseName}.md`) : undefined;
+
+      return {
+        filename: f,
+        path: join(dir, f),
+        index: parseInt(match![1], 10),
+        promptPath: promptPath && existsSync(promptPath) ? promptPath : undefined,
+      };
+    })
+    .sort((a, b) => a.index - b.index);
+
+  if (slides.length === 0) {
+    console.error(`No slide images found in: ${dir}`);
+    console.error("Expected format: 01-slide-*.png, 02-slide-*.png, etc.");
+    process.exit(1);
+  }
+
+  return slides;
+}
+
+function findBasePrompt(): string | undefined {
+  const scriptDir = import.meta.dir;
+  const basePromptPath = join(scriptDir, "..", "references", "base-prompt.md");
+  if (existsSync(basePromptPath)) {
+    return readFileSync(basePromptPath, "utf-8");
+  }
+  return undefined;
+}
+
+async function createPptx(slides: SlideInfo[], outputPath: string) {
+  const pptx = new PptxGenJS();
+
+  pptx.layout = "LAYOUT_16x9";
+  pptx.author = "baoyu-slide-deck";
+  pptx.subject = "Generated Slide Deck";
+
+  const basePrompt = findBasePrompt();
+  let notesCount = 0;
+
+  for (const slide of slides) {
+    const s = pptx.addSlide();
+    const imageData = readFileSync(slide.path);
+    const base64 = imageData.toString("base64");
+    const ext = extname(slide.filename).toLowerCase().replace(".", "");
+    const mimeType = ext === "png" ? "image/png" : "image/jpeg";
+
+    s.addImage({
+      data: `data:${mimeType};base64,${base64}`,
+      x: 0,
+      y: 0,
+      w: "100%",
+      h: "100%",
+      sizing: { type: "cover", w: "100%", h: "100%" },
+    });
+
+    if (slide.promptPath) {
+      const slidePrompt = readFileSync(slide.promptPath, "utf-8");
+      const fullNotes = basePrompt ? `${basePrompt}\n\n---\n\n${slidePrompt}` : slidePrompt;
+      s.addNotes(fullNotes);
+      notesCount++;
+    }
+
+    console.log(`Added: ${slide.filename}${slide.promptPath ? " (with notes)" : ""}`);
+  }
+
+  await pptx.writeFile({ fileName: outputPath });
+  console.log(`\nCreated: ${outputPath}`);
+  console.log(`Total slides: ${slides.length}`);
+  if (notesCount > 0) {
+    console.log(`Slides with notes: ${notesCount}${basePrompt ? " (includes base prompt)" : ""}`);
+  }
+}
+
+async function main() {
+  const { dir, output } = parseArgs();
+  const slides = findSlideImages(dir);
+
+  const dirName = basename(dir) === "slide-deck" ? basename(join(dir, "..")) : basename(dir);
+  const outputPath = output || join(dir, `${dirName}.pptx`);
+
+  console.log(`Found ${slides.length} slides in: ${dir}\n`);
+
+  await createPptx(slides, outputPath);
+}
+
+main().catch((err) => {
+  console.error("Error:", err.message);
+  process.exit(1);
+});