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Read and write data to MongoDB using Mongoose and Bun - Bun

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Read and write data to MongoDB using Mongoose and Bun - BunSkip to main contentBun home pageSearch...⌘KInstall BunSearch...NavigationEcosystem & FrameworksRead and write data to MongoDB using Mongoose and BunRuntimePackage ManagerBundlerTest RunnerGuidesReferenceBlogFeedbackdiv:first-child]:!hidden peer-[.is-custom]:[&>div:first-child]:sm:!hidden peer-[.is-custom]:[&>div:first-child]:md:!hidden peer-[.is-custom]:[&>div:first-child]:lg:!hidden peer-[.is-custom]:[&>div:first-child]:xl:!hidden">OverviewGuidesDeploymentDeploy on VercelDeploy on RailwayDeploy on RenderDeploy on AWS LambdaDeploy on DigitalOceanDeploy on Google Cloud RunRuntime & DebuggingTypeScript typesRe-map import pathsVS Code debuggerWeb debuggerHeap snapshotsBuild-time constantsDefine constantsGitHub ActionsCodesign on macOSUtilitiesUpgrade BunDetect BunGet Bun versionHash passwordGenerate UUIDBase64 encodingGzip compressionDEFLATE compressionEscape HTMLDeep equalitySleepFile URL to pathPath to file URLFind executable 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constantsDefine constantsGitHub ActionsCodesign on macOSModule SystemImport JSONImport TOMLImport YAMLImport JSON5Import HTMLimport.meta.dirimport.meta.fileimport.meta.pathCheck entrypointGet entrypoint pathFile SystemRead as stringRead to BufferRead to Uint8ArrayRead to ArrayBufferRead JSON fileGet MIME typeCheck file existsWatch directoryRead as streamWrite string to fileWrite BlobWrite ResponseAppend to fileIncremental writeWrite streamWrite to stdoutWrite file to stdoutCopy fileDelete fileDelete filesDelete directoriesUtilitiesHash passwordGenerate UUIDBase64 encodingGzip compressionDEFLATE compressionEscape HTMLDeep equalitySleepFile URL to pathPath to file URLFind executable pathHTML ProcessingExtract links using HTMLRewriterOpenGraph tagsBinary DataArrayBuffer to stringArrayBuffer to BufferArrayBuffer to BlobArrayBuffer to ArrayArrayBuffer to Uint8ArrayBuffer to stringBuffer to ArrayBufferBuffer to BlobBuffer to Uint8ArrayBuffer to ReadableStreamBlob to stringBlob to 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data-state="closed">Copy pagespan]:line-clamp-1 overflow-hidden group flex items-center py-0.5 gap-1 text-sm text-gray-950/50 dark:text-white/50 group-hover:text-gray-950/70 dark:group-hover:text-white/70 rounded-none rounded-r-xl border px-3 border-gray-200 aspect-square dark:border-white/[0.07] bg-background-light dark:bg-background-dark hover:bg-gray-600/5 dark:hover:bg-gray-200/5" aria-label="More actions" type="button" id="radix-_R_5hjinpfd9rqaabsnpfdb_" aria-haspopup="menu" aria-expanded="false" data-state="closed">MongoDB and Mongoose work out of the box with Bun. This guide assumes you’ve already installed MongoDB and are running it as background process/service on your development machine. Follow this guide for details. Once MongoDB is running, create a directory and initialize it with bun init. terminalCopymkdir mongoose-app cd mongoose-app bun init Then add Mongoose as a dependency. terminalCopybun add mongoose In schema.ts we’ll declare and export a simple Animal model. schema.tsCopyimport * as mongoose from "mongoose"; const animalSchema = new mongoose.Schema( { title: { type: String, required: true }, sound: { type: String, required: true }, }, { methods: { speak() { console.log(`${this.sound}!`); }, }, }, ); export type Animal = mongoose.InferSchemaTypetypeof animalSchema>; export const Animal = mongoose.model("Animal", animalSchema); Now from index.ts we can import Animal, connect to MongoDB, and add some data to our database. index.tsCopyimport * as mongoose from "mongoose"; import { Animal } from "./schema"; // connect to database await mongoose.connect("mongodb:http://127.0.0.1:27017/mongoose-app"); // create new Animal const cow = new Animal({ title: "Cow", sound: "Moo", }); await cow.save(); // saves to the database // read all Animals const animals = await Animal.find(); animals[0].speak(); // logs "Moo!" // disconnect await mongoose.disconnect(); Let’s run this with bun run. terminalCopybun run index.ts CopyMoo! This is a simple introduction to using Mongoose with TypeScript and Bun. As you build your application, refer to the official MongoDB and Mongoose sites for complete documentation.

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