Strip leading slashes from names when getting zip entries

1 files changed, 11 insertions, 3 deletions

diff --git a/lib/zipfile.js b/lib/zipfile.js
index 91c5f04..efe519c 100644
--- a/lib/zipfile.js
+++ b/lib/zipfile.js
@@ -8,11 +8,11 @@ exports.joinZipPath = joinZipPath;
 function openArrayBuffer(arrayBuffer) {
     var zipFile = new JSZip(arrayBuffer);
     function exists(name) {
-        return zipFile.file(name) !== null;
+        return zipFile.file(normaliseName(name)) !== null;
     }
     
     function read(name, encoding) {
-        var array = zipFile.file(name).asUint8Array();
+        var array = zipFile.file(normaliseName(name)).asUint8Array();
         var buffer = new Buffer(array);
         if (encoding) {
             return promises.when(buffer.toString(encoding));
@@ -22,7 +22,7 @@ function openArrayBuffer(arrayBuffer) {
     }
     
     function write(name, contents) {
-        zipFile.file(name, contents);
+        zipFile.file(normaliseName(name), contents);
     }
     
     function toBuffer() {
@@ -37,6 +37,14 @@ function openArrayBuffer(arrayBuffer) {
     };
 }
 
+function normaliseName(name) {
+    if (name.charAt(0) === "/") {
+        return name.substr(1);
+    } else {
+        return name;
+    }
+}
+
 function joinZipPath(first, second) {
     if (second.charAt(0) === "/") {
         return second;