flow like the river

VISUALIZACION/node_modules/mongodb/lib/operations/estimated_document_count.js

@@ -0,0 +1,38 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EstimatedDocumentCountOperation = void 0;
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class EstimatedDocumentCountOperation extends command_1.CommandCallbackOperation {
+    constructor(collection, options = {}) {
+        super(collection, options);
+        this.options = options;
+        this.collectionName = collection.collectionName;
+    }
+    executeCallback(server, session, callback) {
+        const cmd = { count: this.collectionName };
+        if (typeof this.options.maxTimeMS === 'number') {
+            cmd.maxTimeMS = this.options.maxTimeMS;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (this.options.comment !== undefined) {
+            cmd.comment = this.options.comment;
+        }
+        super.executeCommandCallback(server, session, cmd, (err, response) => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            callback(undefined, response?.n || 0);
+        });
+    }
+}
+exports.EstimatedDocumentCountOperation = EstimatedDocumentCountOperation;
+(0, operation_1.defineAspects)(EstimatedDocumentCountOperation, [
+    operation_1.Aspect.READ_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.CURSOR_CREATING
+]);
+//# sourceMappingURL=estimated_document_count.js.map