Extract joinZipPath to zipfile

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/zipfile.js b/lib/zipfile.js
index eb6bf66..708b07a 100644
--- a/lib/zipfile.js
+++ b/lib/zipfile.js
@@ -3,6 +3,7 @@ var JSZip = require("jszip");
 var promises = require("./promises");
 
 exports.openArrayBuffer = openArrayBuffer;
+exports.joinZipPath = joinZipPath;
 
 function openArrayBuffer(arrayBuffer) {
     var zipFile = new JSZip(arrayBuffer);
@@ -36,3 +37,8 @@ function openArrayBuffer(arrayBuffer) {
     };
 }
 
+function joinZipPath(first, second) {
+    // In general, we should check first and second for trailing and leading slashes,
+    // but in our specific case this seems to be sufficient
+    return first + "/" + second;
+}