Download PPTX

public/next.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 394 80"><path fill="#000" d="M262 0h68.5v12.7h-27.2v66.6h-13.6V12.7H262V0ZM149 0v12.7H94v20.4h44.3v12.6H94v21h55v12.6H80.5V0h68.7zm34.3 0h-17.8l63.8 79.4h17.9l-32-39.7 32-39.6h-17.9l-23 28.6-23-28.6zm18.3 56.7-9-11-27.1 33.7h17.8l18.3-22.7z"/><path fill="#000" d="M81 79.3 17 0H0v79.3h13.6V17l50.2 62.3H81Zm252.6-.4c-1 0-1.8-.4-2.5-1s-1.1-1.6-1.1-2.6.3-1.8 1-2.5 1.6-1 2.6-1 1.8.3 2.5 1a3.4 3.4 0 0 1 .6 4.3 3.7 3.7 0 0 1-3 1.8zm23.2-33.5h6v23.3c0 2.1-.4 4-1.3 5.5a9.1 9.1 0 0 1-3.8 3.5c-1.6.8-3.5 1.3-5.7 1.3-2 0-3.7-.4-5.3-1s-2.8-1.8-3.7-3.2c-.9-1.3-1.4-3-1.4-5h6c.1.8.3 1.6.7 2.2s1 1.2 1.6 1.5c.7.4 1.5.5 2.4.5 1 0 1.8-.2 2.4-.6a4 4 0 0 0 1.6-1.8c.3-.8.5-1.8.5-3V45.5zm30.9 9.1a4.4 4.4 0 0 0-2-3.3 7.5 7.5 0 0 0-4.3-1.1c-1.3 0-2.4.2-3.3.5-.9.4-1.6 1-2 1.6a3.5 3.5 0 0 0-.3 4c.3.5.7.9 1.3 1.2l1.8 1 2 .5 3.2.8c1.3.3 2.5.7 3.7 1.2a13 13 0 0 1 3.2 1.8 8.1 8.1 0 0 1 3 6.5c0 2-.5 3.7-1.5 5.1a10 10 0 0 1-4.4 3.5c-1.8.8-4.1 1.2-6.8 1.2-2.6 0-4.9-.4-6.8-1.2-2-.8-3.4-2-4.5-3.5a10 10 0 0 1-1.7-5.6h6a5 5 0 0 0 3.5 4.6c1 .4 2.2.6 3.4.6 1.3 0 2.5-.2 3.5-.6 1-.4 1.8-1 2.4-1.7a4 4 0 0 0 .8-2.4c0-.9-.2-1.6-.7-2.2a11 11 0 0 0-2.1-1.4l-3.2-1-3.8-1c-2.8-.7-5-1.7-6.6-3.2a7.2 7.2 0 0 1-2.4-5.7 8 8 0 0 1 1.7-5 10 10 0 0 1 4.3-3.5c2-.8 4-1.2 6.4-1.2 2.3 0 4.4.4 6.2 1.2 1.8.8 3.2 2 4.3 3.4 1 1.4 1.5 3 1.5 5h-5.8z"/></svg>

public/test.html

@@ -0,0 +1,16 @@
+<script src="https://cdn.jsdelivr.net/gh/gitbrent/pptxgenjs@3.12.0/dist/pptxgen.bundle.js"></script>
+<script type="module">
+// 1. Create a new Presentation
+let pres = new PptxGenJS();
+
+// 2. Add a Slide
+let slide = pres.addSlide();
+
+// 3. Add one or more objects (Tables, Shapes, Images, Text and Media) to the Slide
+let textboxText = "Hello World from PptxGenJS!";
+let textboxOpts = { x: 1, y: 1, w: 8, h: 4, color: "363636" };
+slide.addText(textboxText, textboxOpts);
+
+// 4. Save the Presentation
+pres.writeFile();
+</script>

public/vercel.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 283 64"><path fill="black" d="M141 16c-11 0-19 7-19 18s9 18 20 18c7 0 13-3 16-7l-7-5c-2 3-6 4-9 4-5 0-9-3-10-7h28v-3c0-11-8-18-19-18zm-9 15c1-4 4-7 9-7s8 3 9 7h-18zm117-15c-11 0-19 7-19 18s9 18 20 18c6 0 12-3 16-7l-8-5c-2 3-5 4-8 4-5 0-9-3-11-7h28l1-3c0-11-8-18-19-18zm-10 15c2-4 5-7 10-7s8 3 9 7h-19zm-39 3c0 6 4 10 10 10 4 0 7-2 9-5l8 5c-3 5-9 8-17 8-11 0-19-7-19-18s8-18 19-18c8 0 14 3 17 8l-8 5c-2-3-5-5-9-5-6 0-10 4-10 10zm83-29v46h-9V5h9zM37 0l37 64H0L37 0zm92 5-27 48L74 5h10l18 30 17-30h10zm59 12v10l-3-1c-6 0-10 4-10 10v15h-9V17h9v9c0-5 6-9 13-9z"/></svg>

src/app/globals.css

@@ -10,11 +10,16 @@
 }
 
 #convertButton {
-  flex: 0 0 100px;
   display: flex;
+  flex-direction: column;
   justify-content: center;
   align-items: center;
-  padding: 10px;
+  gap: 10px;
+  height: 100%;
+}
+
+#convertButton button {
+  width: 100%;
 }
 
 #rawTextArea {

src/app/page.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useState, useCallback } from "react";
+import { useState, useCallback, useRef } from "react";
 import crypto from 'crypto';
 
 import {
@@ -13,11 +13,25 @@ export default function Home() {
   const [rawText, setRawText] = useState("");
   const [ppt, setPpt] = useState<JSX.Element | null>(null);
   const [formatCache] = useState(new Map());
+  const dialogRef = useRef<HTMLDialogElement>(null);
 
   const hashContent = (content: string): string => {
     return crypto.createHash('md5').update(content).digest('hex');
   };
 
+  const downloadPptx = async () => {
+    if (!ppt) {
+      dialogRef.current?.showModal();
+      return;
+    }
+    let pptx = await renderPptx(ppt,{ outputType: "blob" })
+    const a = document.createElement("a");
+    const url = URL.createObjectURL(pptx as Blob | MediaSource);
+    a.href = url;
+    a.download = "presentation.pptx";
+    a.click();
+  }
+
   const formatWithCache = useCallback(async (content: string) => {
     const contentHash = hashContent(content);
 
@@ -44,18 +58,26 @@ export default function Home() {
   }, [formatCache]);
 
   const handleConvert = async () => {
-    setPpt(null); // waiting state
-    console.log("converting...")
+    setPpt(<Presentation>
+      <Slide>
+        <Text style={{
+            x: "10%", y: "20%", w: "80%", h: "40%",
+            fontSize: 80,
+        }}>Generating...</Text>
+      </Slide>
+    </Presentation>); // waiting state
+    
     let slides = rawText.split("\n\n");
 
     let pptSlides = await Promise.all(slides.map(async (slide, index) => {
+      /* the whole slide is 10 inches wide by 5.6 inches high */
       let firstline = slide.split("\n")[0];
 
       // first slide is a title slide
       if (index === 0) {
         return <Slide>
           <Text style={{
-            x: "10%", y: "20%", w: "80%", h: "40%",
+            x: 1, y: 2, w: 8, h: 1,
             fontSize: 80,
           }}>{firstline}</Text>
         </Slide>
@@ -67,23 +89,26 @@ export default function Home() {
       }
       let formattedContent = await formatWithCache(slide);
       console.log("Formatted content: ", formattedContent)
+
+      // first line is big
       let pptContent = [
         <Text style={{
-          x: "10%", y: "10%", w: "80%", h: "80%",
+          x: 1, y: 0.7, w: 8, h: 1,
           fontSize: 40,
         }}>{firstline}</Text>
       ]
-      console.log("Here")
+
+      // subsequent lines are mostly bullet points
       pptContent.push(formattedContent.split("\n").map((line: string, index: number) => {
         console.log("Line: ", line)
         if (line.startsWith("- ")) {
           return <Text style={{
-            x: "10%", y: `${25 + (10*index)}%`, w: "80%", h: "65%",
+            x: 1, y: 1.4 + (0.7*index), w: 8, h: 1,
             fontSize: 20,
           }}><Text.Bullet>{line.slice(2)}</Text.Bullet></Text>
         } else {
           return <Text style={{
-            x: "10%", y: `${25 + (10*index)}%`, w: "80%", h: "65%",
+            x: 1, y: 1.4 + (0.7*index), w: 8, h: 1,
             fontSize: 20,
           }}>{line}</Text>  
         }
@@ -94,7 +119,6 @@ export default function Home() {
 
     let presentation = <Presentation>{pptSlides}</Presentation>
     setPpt(presentation)
-    console.log(presentation)
   };
 
   return (
@@ -109,17 +133,24 @@ export default function Home() {
         </div>
         <div id="convertButton">
           <button onClick={handleConvert}>Slidify ➡️</button>
+          <button onClick={downloadPptx}>Download PPTX</button>
         </div>
         <div id="slides">
-          <Preview slideStyle={{
+          {ppt ? <Preview slideStyle={{
             border: "1px solid black",
             marginBottom: "15px",
             boxShadow: "0px 0px 10px 0px rgba(0, 0, 0, 0.25)"
           }}>
-            {ppt || <div>No slides to display</div>}
-          </Preview>
+            {ppt}
+          </Preview> : <div>No slides to display</div>}
         </div>
       </div>
+      <dialog ref={dialogRef}>
+        <p>No slides to download</p>
+        <form method="dialog">
+          <button>Close</button>
+        </form>
+      </dialog>
     </main>
   );
 }