initial commit

2026-08-25 00:52:34 +02:00 · 2023-10-22 01:37:25 +05:30
parent 80327652c3
commit 97fd28697a
182 changed files with 55033 additions and 122 deletions
@@ -0,0 +1,28 @@
+const createBufferTrailer = (pdf, info, addedReferences) => {
+    let rows = [];
+    rows[0] = '0000000000 65535 f '; // info.xref.tableRows[0];
+
+    addedReferences.forEach((offset, index) => {
+        const paddedOffset = (`0000000000${offset}`).slice(-10);
+        rows[index + 1] = `${index} 1\n${paddedOffset} 00000 n `;
+    });
+    rows = rows.filter((row) => row !== undefined);
+
+    return Buffer.concat([
+        Buffer.from('xref\n'),
+        Buffer.from(`${info.xref.startingIndex} 1\n`),
+        Buffer.from(rows.join('\n')),
+        Buffer.from('\ntrailer\n'),
+        Buffer.from('<<\n'),
+        Buffer.from(`/Size ${info.xref.maxIndex + 1}\n`),
+        Buffer.from(`/Root ${info.rootRef}\n`),
+        Buffer.from(info.infoRef ? `/Info ${info.infoRef}\n` : ''),
+        Buffer.from(`/Prev ${info.xRefPosition}\n`),
+        Buffer.from('>>\n'),
+        Buffer.from('startxref\n'),
+        Buffer.from(`${pdf.length}\n`),
+        Buffer.from('%%EOF'),
+    ]);
+};
+
+export default createBufferTrailer;