From 8527d27eae067db80cbd560857a54d47308e102e Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Wed, 22 Mar 2017 14:02:34 +0100
Subject: [PATCH] Ensure that `PDFDocument.documentInfo` doesn't fail during
 document load, when the entire XRef table hasn't been fetched yet (issue
 8180)

Similar to other `try-catch` statements in `/core` code, we must re-throw `MissingDataException` to prevent issues with missing data during document loading.
Note that I'm not sure if/how we can test this, which is why the patch doesn't include any test(s).

Fixes 8180.
---
 src/core/document.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/core/document.js b/src/core/document.js
index 93b47543f..69524e480 100644
--- a/src/core/document.js
+++ b/src/core/document.js
@@ -595,6 +595,9 @@ var PDFDocument = (function PDFDocumentClosure() {
       try {
         infoDict = this.xref.trailer.get('Info');
       } catch (err) {
+        if (err instanceof MissingDataException) {
+          throw err;
+        }
         info('The document information dictionary is invalid.');
       }
       if (infoDict) {