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* avoid hanging when pdf2json fails by resolving text extraction with an empty string

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This commit is contained in:
Til Wegener
2025-08-13 20:11:47 +02:00
committed by GitHub
parent d2b4337be9
commit ff676ecb86
1 changed files with 21 additions and 7 deletions
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28
packages/backend/src/helpers/textExtractor.ts
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@@ -3,17 +3,31 @@ import mammoth from 'mammoth';
import xlsx from 'xlsx';
function extractTextFromPdf(buffer: Buffer): Promise<string> {
return new Promise((resolve, reject) => {
return new Promise((resolve) => {
const pdfParser = new PDFParser(null, true);
let completed = false;
pdfParser.on('pdfParser_dataError', (errData: any) =>
reject(new Error(errData.parserError))
const finish = (text: string) => {
if (completed) return;
completed = true;
pdfParser.removeAllListeners();
resolve(text);
};
pdfParser.on('pdfParser_dataError', () => finish(''));
pdfParser.on('pdfParser_dataReady', () =>
finish(pdfParser.getRawTextContent())
);
pdfParser.on('pdfParser_dataReady', () => {
resolve(pdfParser.getRawTextContent());
});
pdfParser.parseBuffer(buffer);
try {
pdfParser.parseBuffer(buffer);
} catch (err) {
console.error('Error parsing PDF buffer', err);
finish('');
}
// Prevent hanging if the parser never emits events
setTimeout(() => finish(''), 10000);
});
}