Use jszip on server-side as well as browser-side

1 files changed, 27 insertions, 0 deletions

diff --git a/lib/zipfile.js b/lib/zipfile.js
new file mode 100644
index 0000000..2c004b7
--- /dev/null
+++ b/lib/zipfile.js
@@ -0,0 +1,27 @@
+var JSZip = require("jszip");
+
+var promises = require("./promises");
+
+exports.openArrayBuffer = openArrayBuffer;
+
+function openArrayBuffer(arrayBuffer) {
+    var zipFile = new JSZip(arrayBuffer);
+    function exists(name) {
+        return zipFile.file(name) !== null;
+    }
+    
+    function read(name, encoding) {
+        var array = zipFile.file(name).asUint8Array();
+        var buffer = new Buffer(array);
+        if (encoding) {
+            return promises.when(buffer.toString(encoding));
+        } else {
+            return promises.when(buffer);
+        }
+    }
+    return {
+        exists: exists,
+        read: read
+    };
+}
+