initial cli api, some movement on tool selection

util/saveLoadPdf.ts

@@ -0,0 +1,19 @@
+import { PDFDocument } from "pdf-lib";
+
+export async function loadPdfForm(path: string) {
+  const pdfDoc = await loadPdf(path);
+  const form = pdfDoc.getForm();
+  return form;
+}
+
+export async function loadPdf(path: string) {
+  const pdfBytes = await Deno.readFile(path);
+  const pdfDoc = await PDFDocument.load(pdfBytes);
+  return pdfDoc;
+}
+
+export async function savePdf(doc: PDFDocument, path: string) {
+  const pdfBytes = await doc.save();
+  if (Deno.env.get("DRYRUN") || path.includes("dryrun")) return;
+  await Deno.writeFile(path, pdfBytes);
+}