Correctly order results of bulk_docs output (fixes pouchdb#4)

src/pouch.js

@@ -227,8 +227,10 @@
  var newEdits = 'new_edits' in opts ? opts._new_edits : true;
 
  // Parse and sort the docs
- var docInfos = req.docs.map(function(doc) {
- return parseDoc(doc, newEdits);
+ var docInfos = req.docs.map(function(doc, i) {
+ var newDoc = parseDoc(doc, newEdits);
+ newDoc._bulk_seq = i;
+ return newDoc;
  });
 
  docInfos.sort(function(a, b) {
@@ -254,7 +256,12 @@
  var results = [];
 
  txn.oncomplete = function(event) {
+ results.sort(function(a, b) {
+ return a._bulk_seq - b._bulk_seq;
+ });
+
  results.forEach(function(result) {
+ delete result._bulk_seq;
  db.changes.emit(result);
  });
  call(callback, null, results);
@@ -289,8 +296,9 @@
  var metaDataReq = txn.objectStore(DOC_STORE).put(docInfo.metadata);
  metaDataReq.onsuccess = function() {
  results.push({
- id : docInfo.metadata.id,
- rev : docInfo.metadata.rev
+ id: docInfo.metadata.id,
+ rev: docInfo.metadata.rev,
+ _bulk_seq: docInfo._bulk_seq
  });
  call(callback);
  };