Read overrides from [Content_Types].xml

1 files changed, 16 insertions, 3 deletions

diff --git a/lib/content-types-reader.js b/lib/content-types-reader.js
index 0346b8c..0a74eb9 100644
--- a/lib/content-types-reader.js
+++ b/lib/content-types-reader.js
@@ -13,18 +13,31 @@ function readContentTypesFromZipFile(file) {
 
 function readContentTypesFromXml(xml) {
     var extensionDefaults = {};
+    var overrides = {};
     
     xml.root.children.forEach(function(child) {
         if (child.name === "content-types:Default") {
             extensionDefaults[child.attributes.Extension] = child.attributes.ContentType;
         }
+        if (child.name === "content-types:Override") {
+            var name = child.attributes.PartName;
+            if (name.charAt(0) === "/") {
+                name = name.substring(1);
+            }
+            overrides[name] = child.attributes.ContentType;
+        }
     });
     
     return {
         findContentType: function(path) {
-            var pathParts = path.split(".");
-            var extension = pathParts[pathParts.length - 1];
-            return extensionDefaults[extension];
+            var overrideContentType = overrides[path];
+            if (overrideContentType) {
+                return overrideContentType;
+            } else {
+                var pathParts = path.split(".");
+                var extension = pathParts[pathParts.length - 1];
+                return extensionDefaults[extension];
+            }
         }
     }
 }