First Commit

node_modules/mongodb/lib/operations/to_array.js

@@ -0,0 +1,66 @@
+'use strict';
+
+const Aspect = require('./operation').Aspect;
+const defineAspects = require('./operation').defineAspects;
+const handleCallback = require('../utils').handleCallback;
+const CursorState = require('../core/cursor').CursorState;
+const OperationBase = require('./operation').OperationBase;
+const push = Array.prototype.push;
+
+class ToArrayOperation extends OperationBase {
+  constructor(cursor) {
+    super();
+
+    this.cursor = cursor;
+  }
+
+  execute(callback) {
+    const cursor = this.cursor;
+    const items = [];
+
+    // Reset cursor
+    cursor.rewind();
+    cursor.s.state = CursorState.INIT;
+
+    // Fetch all the documents
+    const fetchDocs = () => {
+      cursor._next((err, doc) => {
+        if (err) {
+          return cursor._endSession
+            ? cursor._endSession(() => handleCallback(callback, err))
+            : handleCallback(callback, err);
+        }
+
+        if (doc == null) {
+          return cursor.close({ skipKillCursors: true }, () =>
+            handleCallback(callback, null, items)
+          );
+        }
+
+        // Add doc to items
+        items.push(doc);
+
+        // Get all buffered objects
+        if (cursor.bufferedCount() > 0) {
+          let docs = cursor.readBufferedDocuments(cursor.bufferedCount());
+
+          // Transform the doc if transform method added
+          if (cursor.s.transforms && typeof cursor.s.transforms.doc === 'function') {
+            docs = docs.map(cursor.s.transforms.doc);
+          }
+
+          push.apply(items, docs);
+        }
+
+        // Attempt a fetch
+        fetchDocs();
+      });
+    };
+
+    fetchDocs();
+  }
+}
+
+defineAspects(ToArrayOperation, Aspect.SKIP_SESSION);
+
+module.exports = ToArrayOperation;