Draft: Resolve "[Document Sealing] Implement PDF parser"

Closes #1

dist/pdfParser.js

@@ -52,19 +52,27 @@ class PDFparser {
             const pages = pdfDoc.getPages();
             for (let index = 0; index < pages.length; index++) {
                 const page = pages[index];
-                page.drawImage(img, {
-                    x: parseFloat(coords[index + 1].x),
-                    y: parseFloat(coords[index + 1].y),
-                    width: scaled.width,
-                    height: scaled.height,
-                });
-                const link = this.createPageLinkAnnotation(page, url, {
-                    imgXPos: parseFloat(coords[index + 1].x),
-                    imgYPos: parseFloat(coords[index + 1].y),
-                    imgWidth: scaled.width,
-                    imagHeight: scaled.height,
-                });
-                page.node.set(pdf_lib_1.PDFName.of("Annots"), pdfDoc.context.obj([link]));
+                const x = typeof coords[index + 1] !== "undefined"
+                    ? parseFloat(coords[index + 1].x)
+                    : null;
+                const y = typeof typeof coords[index + 1] !== "undefined"
+                    ? parseFloat(coords[index + 1].y)
+                    : null;
+                if (x && y) {
+                    page.drawImage(img, {
+                        x,
+                        y,
+                        width: scaled.width,
+                        height: scaled.height,
+                    });
+                    const link = this.createPageLinkAnnotation(page, url, {
+                        imgXPos: x,
+                        imgYPos: y,
+                        imgWidth: scaled.width,
+                        imagHeight: scaled.height,
+                    });
+                    page.node.set(pdf_lib_1.PDFName.of("Annots"), pdfDoc.context.obj([link]));
+                }
             }
             const pdfBytes = yield pdfDoc.save();
             return pdfBytes;