Use same module for node.js and browsers

1 files changed, 32 insertions, 0 deletions

diff --git a/browser/unzip.js b/browser/unzip.js
new file mode 100644
index 0000000..97fcdb1
--- /dev/null
+++ b/browser/unzip.js
@@ -0,0 +1,32 @@
+var q = require("q");
+
+exports.openZip = openZip;
+
+function openZip(options) {
+    if (options.arrayBuffer) {
+        return openArrayBuffer(options.arrayBuffer);
+    } else {
+        return q.reject(new Error("Could not find file in options"));
+    }
+}
+
+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 q.when(buffer.toString(encoding));
+        } else {
+            return q.when(buffer);
+        }
+    }
+    return {
+        exists: exists,
+        read: read
+    };
+}