Added custom height

Author: ackava

src/commands/GeneratePDF.ts

@@ -3,22 +3,22 @@ import Command from "./Command";
 
 let document: any;
 
-function getMaxHeight() {
-    return Array.from<any>(document.all).reduce((a, c) => Math.max(c.scrollHeight , a) , 0);
+function updatePageSize() {
+    const maxHeight =  Array.from<any>(document.all).reduce((a, c) => Math.max(c.scrollHeight , a) , 0);
+    document.body.style.height = `${maxHeight}px`;
+    document.body.style.overflow = "auto";
 }
 
 export default class GeneratePDF extends Command {
     async render({ outputFile: path, page, output, pdf }: IEvent) {
 
-        // find div with maximum scroll height
-        const maxHeight = await page.evaluate(getMaxHeight);
+        await page.evaluate(updatePageSize);
 
         const pf = typeof pdf === "object"
             ? { ... pdf, path}
             : { path };
 
         pf.format ??= "A4";
-        pf.height = maxHeight + "px";
 
         await page.pdf(pf);