Started working on splitOn empty/qr-/barcode

public/functions/splitOn.js

@@ -0,0 +1,48 @@
+import { detectEmptyPages } from "./shared/detectEmptyPages";
+
+/**
+ * @typedef {"BAR_CODE"|"QR_CODE"|"BLANK_PAGE"} SplitType
+ */
+
+/**
+ * 
+ * @param {Uint16Array} snapshot
+ * @param {SplitType} type
+ * @param {} PDFJS
+ * @param {} OpenCV
+ * @param {} PDFLib
+ * @param {} QRCode
+ * @returns 
+ */
+export async function splitOn(snapshot, type, whiteThreashold, PDFJS, OpenCV, PDFLib, QRCode) {
+    
+    let splitAtPages = [];
+
+    switch (type) {
+        case "BAR_CODE":
+            // TODO: Implement
+            throw new Error("This split-type has not been implemented yet")
+            break;
+
+        case "QR_CODE":
+            // TODO: Implement
+            throw new Error("This split-type has not been implemented yet")
+            break;
+
+        case "BLANK_PAGE":
+            splitAtPages = await detectEmptyPages(snapshot, whiteThreashold, PDFJS, OpenCV);
+            break;
+    
+        default:
+            throw new Error("An invalid split-type was provided.")
+            break;
+    }
+
+    console.log("Split At Pages: ", splitAtPages);
+
+    const pdfDoc = await PDFLib.PDFDocument.load(snapshot);
+
+    // TODO: Remove detected Pages & Split
+
+    return pdfDoc.save();
+};