Stirling-PDF/public/functions/splitOn.js

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JavaScript
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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();
};