Commit With Frontend and Backend in MERN

backend/node_modules/mongodb/lib/operations/kill_cursors.js

@@ -0,0 +1,45 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.KillCursorsOperation = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const operation_1 = require("./operation");
+class KillCursorsOperation extends operation_1.AbstractOperation {
+    constructor(cursorId, ns, server, options) {
+        super(options);
+        this.ns = ns;
+        this.cursorId = cursorId;
+        this.server = server;
+    }
+    get commandName() {
+        return 'killCursors';
+    }
+    async execute(server, session, timeoutContext) {
+        if (server !== this.server) {
+            throw new error_1.MongoRuntimeError('Killcursor must run on the same server operation began on');
+        }
+        const killCursors = this.ns.collection;
+        if (killCursors == null) {
+            // Cursors should have adopted the namespace returned by MongoDB
+            // which should always defined a collection name (even a pseudo one, ex. db.aggregate())
+            throw new error_1.MongoRuntimeError('A collection name must be determined before killCursors');
+        }
+        const killCursorsCommand = {
+            killCursors,
+            cursors: [this.cursorId]
+        };
+        try {
+            await server.command(this.ns, killCursorsCommand, {
+                session,
+                timeoutContext
+            });
+        }
+        catch (error) {
+            // The driver should never emit errors from killCursors, this is spec-ed behavior
+            (0, utils_1.squashError)(error);
+        }
+    }
+}
+exports.KillCursorsOperation = KillCursorsOperation;
+(0, operation_1.defineAspects)(KillCursorsOperation, [operation_1.Aspect.MUST_SELECT_SAME_SERVER]);
+//# sourceMappingURL=kill_cursors.js.map