Handle leading slashes in target

2 files changed, 13 insertions, 2 deletions

diff --git a/lib/docx/docx-reader.js b/lib/docx/docx-reader.js
index 67ff11d..f0b6c89 100644
--- a/lib/docx/docx-reader.js
+++ b/lib/docx/docx-reader.js
@@ -82,12 +82,23 @@ function read(docxFile, input) {
 
 function findDocumentFilename(docxFile, relationships) {
     var targets = ["word/document.xml"].concat(relationships.findTargetsByType("http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument"));
-    var validTargets = targets.filter(function(target) {
+    var normalisedTargets = targets.map(function(target) {
+        return stripPrefix(target, "/");
+    });
+    var validTargets = normalisedTargets.filter(function(target) {
         return docxFile.exists(target);
     });
     return validTargets[0];
 }
 
+function stripPrefix(value, prefix) {
+    if (value.substring(0, prefix.length) === prefix) {
+        return value.substring(prefix.length);
+    } else {
+        return value;
+    }
+}
+
 function xmlFileReader(options) {
     return function(zipFile) {
         return readXmlFromZipFile(zipFile, options.filename)
diff --git a/test/docx/docx-reader.tests.js b/test/docx/docx-reader.tests.js
index a25d76e..f353930 100644
--- a/test/docx/docx-reader.tests.js
+++ b/test/docx/docx-reader.tests.js
@@ -48,7 +48,7 @@ test("when document.xml is not present then document is found using _rels/.rels"
     var relationships = xml.element("r:Relationships", {}, [
         xml.element("r:Relationship", {
             "Type": "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument",
-            "Target": "word/document2.xml"
+            "Target": "/word/document2.xml"
         })
     ]);