Able to remove - all CRUD operations completed

lib/datastore.js

@@ -218,18 +218,46 @@ Datastore.prototype.update = function (query, newDoc, options, cb) {
 };
 
 
+/**
+ * Remove all docs matching the query
+ * For now very naive implementation (similar to update)
+ * @param {Object} query
+ * @param {Object} options Optional options
+ *                 options.multi If true, can update multiple documents (defaults to false)
+ * @param {Function} cb Optional callback, signature: err, numRemoved
+ */
+Datastore.prototype.remove = function (query, options, cb) {
+  var callback
+    , self = this
+    , numRemoved = 0
+    , multi
+    , newData = [];
+
+  if (typeof options === 'function') { cb = options; options = {}; }
+  callback = cb || function () {};
+  multi = options.multi !== undefined ? options.multi : false;
+
+  self.data.forEach(function (d) {
+    if (Datastore.match(d, query) && (multi || numRemoved === 0)) {
+      numRemoved += 1;
+    } else {
+      newData.push(d);
+    }
+  });
+
+  self.persistWholeDatabase(newData, function (err) {
+    if (err) { return callback(err); }
+    self.data = newData;
+    return callback(null, numRemoved);
+  });
+};
+
 
 
 var d = new Datastore('workspace/test.db');
 d.loadDatabase(function (err) {
   console.log(d.data);
 
-  d.update({ yahoo: 'great' }, {yahoo: 'great2' }, { multi: false }, function (err, n) {
-    console.log("--------------");
-    console.log(err);
-    console.log(n);
-  });
-
 });