pdfjs - npm Package Compare versions

Comparing version 2.3.6 to 2.3.7

CHANGELOG.md

@@ -9,2 +9,7 @@ # Changelog
 
+## [2.3.7] - 2020-05-15
+### Fixed
+- Update PDF parser to accept whitespace before `endstream` keywords
+- Update PDF parser to ignore trailer prev pointers that point to the document beginning (offset = `0`)
+
 ## [2.3.6] - 2020-04-28
@@ -11,0 +16,0 @@ ### Fixed

lib/object/object.js

@@ -111,2 +111,6 @@ 'use strict'
 
+        // not to be expected according to the PDF spec, but there are some PDF files that indent
+        // the stream
+        lexer.skipWhitespace(null, true)
+
         if (lexer.readString(9) !== 'endstream') {
@@ -113,0 +117,0 @@ throw new Error('Invalid stream: `endstream` not found')

lib/parser/parser.js

@@ -44,2 +44,9 @@ 'use strict'
     while (trailer.has('Prev')) {
+      const prevTrailerPos = trailer.get('Prev');
+      // Ignore prev pointers to the document beginning. This is not according to the PDF spec, but
+      // there are PDFs out there doing it anyway.
+      if (prevTrailerPos === 0) {
+        break;
+      }
+
       lexer.pos = trailer.get('Prev')
@@ -46,0 +53,0 @@ const xref = PDF.Xref.parse(null, lexer)

package.json

 {
   "name": "pdfjs",
   "author": "Markus Ast <[e-mail]>",
-  "version": "2.3.6",
+  "version": "2.3.7",
   "description": "A Portable Document Format (PDF) generation library targeting both the server- and client-side.",
@@ -6,0 +6,0 @@ "keywords": [

No alert changes

Improved metrics

Total package byte prevSize

340004

increased by0.19%

Lines of code

6560

increased by0.14%

No dependency changes