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Migrated more functions to use PdfFile

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This commit is contained in:
Saud Fatayerji
2023-11-12 16:57:53 +03:00
parent 0d915fcc33
commit 8018947353
10 changed files with 153 additions and 94 deletions
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23
shared-operations/functions/updateMetadata.ts
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@@ -1,6 +1,6 @@
import { PDFDocument, ParseSpeeds } from 'pdf-lib';
import { PdfFile, fromPdfLib } from '../wrappers/PdfFile';
export type Metadata = {
deleteAll?: boolean, // Delete all metadata if set to true
@@ -13,21 +13,11 @@ export type Metadata = {
subject?: string, // The subject of the document
title?: string, // The title of the document
//trapped?: string, // The trapped status of the document
//allRequestParams?: object, // Map list of key and value of custom parameters. Note these must start with customKey and customValue if they are non-standard
//allRequestParams?: {[key: string]: [key: string]}, // Map list of key and value of custom parameters. Note these must start with customKey and customValue if they are non-standard
}
/**
*
* @param {Uint16Array} snapshot
* @param {Metadata} metadata - Set property to null or "" to clear, undefined properties will be skipped.
* @returns Promise<Uint8Array>
*/
export async function updateMetadata(snapshot: string | Uint8Array | ArrayBuffer, metadata: Metadata): Promise<Uint8Array> {
// Load the original PDF file
const pdfDoc = await PDFDocument.load(snapshot, {
parseSpeed: ParseSpeeds.Slow,
updateMetadata: false,
});
export async function updateMetadata(file: PdfFile, metadata: Metadata|null): Promise<PdfFile> {
const pdfDoc = await file.getAsPdfLib();
if (!metadata || metadata.deleteAll) {
pdfDoc.setAuthor("");
@@ -40,7 +30,7 @@ export async function updateMetadata(snapshot: string | Uint8Array | ArrayBuffer
pdfDoc.setTitle("")
}
if (!metadata) {
return pdfDoc.save();
return fromPdfLib(pdfDoc, file.filename);
}
if(metadata.author)
@@ -62,6 +52,5 @@ export async function updateMetadata(snapshot: string | Uint8Array | ArrayBuffer
// TODO add trapped and custom metadata. May need another library
// Serialize the modified document
return pdfDoc.save();
return fromPdfLib(pdfDoc, file.filename);
};