複数ドキュメントの検索

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import { MongoClient } from "mongodb";
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// Replace the uri string with your MongoDB deployment's connection string.
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const uri = "<connection string uri>";
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const client = new MongoClient(uri);
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async function run() {
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  try {
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    // Get the database and collection on which to run the operation
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    const database = client.db("sample_mflix");
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    const movies = database.collection("movies");
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    // Query for movies that have a runtime less than 15 minutes
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    const query = { runtime: { $lt: 15 } };
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    const options = {
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      // Sort returned documents in ascending order by title (A->Z)
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      sort: { title: 1 },
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      // Include only the `title` and `imdb` fields in each returned document
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      projection: { _id: 0, title: 1, imdb: 1 },
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    };
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    // Execute query 
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    const cursor = movies.find(query, options);
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    // Print a message if no documents were found
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    if ((await movies.countDocuments(query)) === 0) {
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      console.log("No documents found!");
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    }
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    // Print returned documents
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    for await (const doc of cursor) {
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      console.dir(doc);
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    }
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  } finally {
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    await client.close();
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  }
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}
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run().catch(console.dir);

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import { MongoClient } from "mongodb";
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// Replace the uri string with your MongoDB deployment's connection string.
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const uri = "<connection string uri>";
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const client = new MongoClient(uri);
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type Minutes = number;
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interface IMDB {
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  rating: number;
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  votes: number;
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  id: number;
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}
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interface Movie {
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  title: string;
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  imdb: IMDB;
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  runtime: Minutes;
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}
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async function run() {
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  try {
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    const database = client.db("sample_mflix");
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    const movies = database.collection<Movie>("movies");
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    const query = { runtime: { $lt: 15 } };
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    const cursor = movies.find<Movie>(
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      query,
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      {
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        sort: { title: 1 },
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        projection: { _id: 0, title: 1, imdb: 1 },
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      }
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    );
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    if ((await movies.countDocuments(query)) === 0) {
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      console.warn("No documents found!");
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    }
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    for await (const doc of cursor) {
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      console.dir(doc);
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    } 
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  } finally {
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    await client.close();
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  }
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}
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run().catch(console.dir);