Workaround for the lack of baseURI under IE

IE doesn't have the document.baseURI property. This workaround constructs the baseURI if not present.
hypothesis · May 9, 2014 · b3a18e1 · b3a18e1
1 parent 3f286f2
commit b3a18e1
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Showing 2 changed files with 13 additions and 2 deletions.
diff --git a/h/js/app.coffee b/h/js/app.coffee
@@ -57,8 +57,14 @@ configure = [
       redirectTo: '/viewer'
 
     # Configure CSP for templates
+    # XXX: IE workaround for the lack of document.baseURI property
+    baseURI = document.baseURI
+    if not baseURI
+      baseTags = document.getElementsByTagName "base"
+      baseURI = if baseTags.length then baseTags[0].href else document.URL
+
     # Explicitly whitelist '.html' paths adjacent to application base URI
-    basePattern = document.baseURI.replace /\/[^\/]*$/, '/*.html'
+    basePattern = baseURI.replace /\/[^\/]*$/, '/*.html'
     $sceDelegateProvider.resourceUrlWhitelist ['self', basePattern]
 ]
 

diff --git a/h/js/helpers.coffee b/h/js/helpers.coffee
@@ -2,7 +2,12 @@ baseURI = [
   '$document'
   ($document) ->
     # Strip an empty hash and end in exactly one slash
-    $document[0].baseURI.replace(/#$/, '').replace(/\/+$/, '/')
+    baseURI = $document[0].baseURI
+    # XXX: IE workaround for the lack of document.baseURI property
+    if not baseURI
+      baseTags = $document[0].getElementsByTagName "base"
+      baseURI = if baseTags.length then baseTags[0].href else $document[0].URL
+    baseURI.replace(/#$/, '').replace(/\/+$/, '/')
 ]