1 files changed, 55 insertions, 0 deletions
diff --git a/node_modules/mongodb/lib/operations/collections.js b/node_modules/mongodb/lib/operations/collections.js
new file mode 100644
index 0000000..eac690a
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/collections.js
@@ -0,0 +1,55 @@
+'use strict';
+
+const OperationBase = require('./operation').OperationBase;
+const handleCallback = require('../utils').handleCallback;
+
+let collection;
+function loadCollection() {
+  if (!collection) {
+    collection = require('../collection');
+  }
+  return collection;
+}
+
+class CollectionsOperation extends OperationBase {
+  constructor(db, options) {
+    super(options);
+
+    this.db = db;
+  }
+
+  execute(callback) {
+    const db = this.db;
+    let options = this.options;
+
+    let Collection = loadCollection();
+
+    options = Object.assign({}, options, { nameOnly: true });
+    // Let's get the collection names
+    db.listCollections({}, options).toArray((err, documents) => {
+      if (err != null) return handleCallback(callback, err, null);
+      // Filter collections removing any illegal ones
+      documents = documents.filter(doc => {
+        return doc.name.indexOf('$') === -1;
+      });
+
+      // Return the collection objects
+      handleCallback(
+        callback,
+        null,
+        documents.map(d => {
+          return new Collection(
+            db,
+            db.s.topology,
+            db.databaseName,
+            d.name,
+            db.s.pkFactory,
+            db.s.options
+          );
+        })
+      );
+    });
+  }
+}
+
+module.exports = CollectionsOperation;