commit 9add0dd14a022a13963aac7151e41def0bebdb65 · knotbin.com/nozzle

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README.md

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       type UserInsert = Input<typeof userSchema>;

     

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       async function main() {

     

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         // Use the latest connection string format and options

     

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         // Basic connection

     

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         await connect("mongodb://localhost:27017", "your_database_name");

     

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         // Or with connection pooling options

     

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         await connect("mongodb://localhost:27017", "your_database_name", {

     

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           clientOptions: {

     

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             maxPoolSize: 10,        // Maximum connections in pool

     

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             minPoolSize: 2,          // Minimum connections in pool

     

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             maxIdleTimeMS: 30000,    // Close idle connections after 30s

     

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             connectTimeoutMS: 10000, // Connection timeout

     

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             socketTimeoutMS: 45000,  // Socket timeout

     

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           }

     

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         });

     

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         const UserModel = new Model("users", userSchema);

     

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         // Your operations go here

+30 -2

client.ts

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       import { type Db, MongoClient } from "mongodb";

     

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       import { type Db, type MongoClientOptions, MongoClient } from "mongodb";

     

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       interface Connection {

     

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         client: MongoClient;

     
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       let connection: Connection | null = null;

     

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       export interface ConnectOptions {

     

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         /**

     

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          * MongoDB connection options (pooling, timeouts, etc.)

     

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          * See: https://mongodb.github.io/node-mongodb-native/6.18/interfaces/MongoClientOptions.html

     

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          */

     

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         clientOptions?: MongoClientOptions;

     

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       }

     

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       /**

     

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        * Connect to MongoDB with connection pooling and other options

     

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        * 

     

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        * The MongoDB driver handles connection pooling automatically.

     

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        * Configure pooling via `clientOptions`:

     

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        * 

     

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        * @example

     

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        * ```ts

     

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        * await connect("mongodb://localhost:27017", "mydb", {

     

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        *   clientOptions: {

     

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        *     maxPoolSize: 10,        // Maximum connections in pool

     

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        *     minPoolSize: 2,          // Minimum connections in pool

     

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        *     maxIdleTimeMS: 30000,    // Close idle connections after 30s

     

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        *     connectTimeoutMS: 10000, // Connection timeout

     

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        *     socketTimeoutMS: 45000,  // Socket timeout

     

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        *   }

     

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        * });

     

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        * ```

     

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        */

     

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       export async function connect(

     

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         uri: string,

     

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         dbName: string,

     

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         options?: ConnectOptions,

     

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       ): Promise<Connection> {

     

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         if (connection) {

     

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           return connection;

     

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         }

     

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         const client = new MongoClient(uri);

     

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         const client = new MongoClient(uri, options?.clientOptions);

     

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         await client.connect();

     

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         const db = client.db(dbName);

     

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+1 -1

mod.ts

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       export { type InferModel, type Input } from "./schema.ts";

     

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       export { connect, disconnect } from "./client.ts";

     

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       export { connect, disconnect, type ConnectOptions } from "./client.ts";

     

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       export { Model } from "./model.ts";

+145

tests/connection_test.ts

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       import { assert, assertEquals } from "@std/assert";

     

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       import { connect, disconnect, type ConnectOptions } from "../mod.ts";

     

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       import { MongoMemoryServer } from "mongodb-memory-server-core";

     

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       let mongoServer: MongoMemoryServer | null = null;

     

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       async function setupTestServer() {

     

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         if (!mongoServer) {

     

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           mongoServer = await MongoMemoryServer.create();

     

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         }

     

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         return mongoServer.getUri();

     

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       }

     

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       Deno.test.afterEach(async () => {

     

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         await disconnect();

     

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       });

     

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       Deno.test.afterAll(async () => {

     

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         if (mongoServer) {

     

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           await mongoServer.stop();

     

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           mongoServer = null;

     

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         }

     

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       });

     

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       Deno.test({

     

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         name: "Connection: Basic - should connect without options",

     

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         async fn() {

     

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           const uri = await setupTestServer();

     

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           const connection = await connect(uri, "test_db");

     

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           assert(connection);

     

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           assert(connection.client);

     

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           assert(connection.db);

     

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           assertEquals(connection.db.databaseName, "test_db");

     

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         },

     

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         sanitizeResources: false,

     

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         sanitizeOps: false,

     

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       });

     

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       Deno.test({

     

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         name: "Connection: Options - should connect with pooling options",

     

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         async fn() {

     

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           const uri = await setupTestServer();

     

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           const options: ConnectOptions = {

     

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             clientOptions: {

     

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               maxPoolSize: 10,

     

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               minPoolSize: 2,

     

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               maxIdleTimeMS: 30000,

     

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               connectTimeoutMS: 5000,

     

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             },

     

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           };

     

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           const connection = await connect(uri, "test_db", options);

     

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           assert(connection);

     

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           assert(connection.client);

     

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           assert(connection.db);

     

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           // Verify connection is working

     

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           const adminDb = connection.db.admin();

     

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           const serverStatus = await adminDb.serverStatus();

     

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           assert(serverStatus);

     

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         },

     

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         sanitizeResources: false,

     

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         sanitizeOps: false,

     

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       });

     

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       Deno.test({

     

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         name: "Connection: Singleton - should reuse existing connection",

     

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         async fn() {

     

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           const uri = await setupTestServer();

     

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           const connection1 = await connect(uri, "test_db");

     

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           const connection2 = await connect(uri, "test_db");

     

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           // Should return the same connection instance

     

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           assertEquals(connection1, connection2);

     

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           assertEquals(connection1.client, connection2.client);

     

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           assertEquals(connection1.db, connection2.db);

     

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         },

     

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         sanitizeResources: false,

     

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         sanitizeOps: false,

     

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       });

     

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       Deno.test({

     

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         name: "Connection: Disconnect - should disconnect and allow reconnection",

     

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         async fn() {

     

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           const uri = await setupTestServer();

     

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           const connection1 = await connect(uri, "test_db");

     

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           assert(connection1);

     

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           await disconnect();

     

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           // Should be able to reconnect

     

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           const connection2 = await connect(uri, "test_db");

     

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           assert(connection2);

     

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           // Should be a new connection instance

     

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           assert(connection1 !== connection2);

     

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         },

     

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         sanitizeResources: false,

     

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         sanitizeOps: false,

     

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       });

     

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       Deno.test({

     

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         name: "Connection: Options - should apply maxPoolSize option",

     

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         async fn() {

     

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           const uri = await setupTestServer();

     

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           const options: ConnectOptions = {

     

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             clientOptions: {

     

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               maxPoolSize: 5,

     

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             },

     

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           };

     

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           const connection = await connect(uri, "test_db", options);

     

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           // Verify connection works with custom pool size

     

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           const collections = await connection.db.listCollections().toArray();

     

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           assert(Array.isArray(collections));

     

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         },

     

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         sanitizeResources: false,

     

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         sanitizeOps: false,

     

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       });

     

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       Deno.test({

     

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         name: "Connection: Multiple Databases - should handle different database names",

     

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         async fn() {

     

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           const uri = await setupTestServer();

     

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           // Connect to first database

     

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           const connection1 = await connect(uri, "db1");

     

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           assertEquals(connection1.db.databaseName, "db1");

     

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           // Disconnect first

     

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           await disconnect();

     

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           // Connect to second database

     

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           const connection2 = await connect(uri, "db2");

     

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           assertEquals(connection2.db.databaseName, "db2");

     

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         },

     

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         sanitizeResources: false,

     

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         sanitizeOps: false,

     

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       });

     

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