Fix for jshint, remove link workaround

Author: ericyhwang

.travis.yml

@@ -3,6 +3,6 @@ node_js:
   - "10"
   - "8"
   - "6"
-script: "ln -s .. node_modules/sharedb; npm run jshint && npm run test-cover"
+script: "npm run jshint && npm run test-cover"
 # Send coverage data to Coveralls
 after_script: "cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js"

test/db-memory.js

@@ -91,13 +91,14 @@ BasicQueryableMemoryDB.prototype._querySync = function(snapshots, query, options
     }
   }
 
-  return {snapshots: snapshots}
+  return {snapshots: snapshots};
 };
 
 // sortProperties is an array whose items are each [propertyName, direction].
 function snapshotComparator(sortProperties) {
   return function(snapshotA, snapshotB) {
-    for (var sortProperty of sortProperties) {
+    for (var i = 0; i < sortProperties.length; i++) {
+      var sortProperty = sortProperties[i];
       var sortKey = sortProperty[0];
       var sortDirection = sortProperty[1];