Node.js utilities

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• istanbul-lib-coverageData library for istanbul coverage objects
• @aws-sdk/credential-provider-envAWS credential provider that sources credentials from known environment variables
• google-logging-utilsA debug logger package for other Google libraries
• istanbul-lib-reportBase reporting library for istanbul
• ecdsa-sig-formatterTranslate ECDSA signatures between ASN.1/DER and JOSE-style concatenation
• methodsHTTP methods that node supports
• abort-controllerAn implementation of WHATWG AbortController interface.
• istanbul-lib-source-mapsSource maps support for istanbul
• @next/envNext.js dotenv file loading
• unicorn-magicSome useful utilities I often need
• is-descriptorReturns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
• socks-proxy-agentA SOCKS proxy `http.Agent` implementation for HTTP and HTTPS
• set-cookie-parserParses set-cookie headers into objects
• node-gyp-buildBuild tool and bindings loader for node-gyp that supports prebuilds
• on-headersExecute a listener when a response is about to write headers
• which-moduleFind the module object for something that was require()d
• damerau-levenshteinDamerau - Levenshtein distance by The Spanish Inquisition + relative distance
• utilNode.js's util module for all engines
• deep-extendRecursive object extending
• tinypoolA minimal and tiny Node.js Worker Thread Pool implementation, a fork of piscina, but with fewer features
• dotenv-expandExpand environment variables using dotenv
• crc32-streama streaming CRC32 checksumer
• is-bun-moduleIs this specifier a Bun core module or supported Node one?
• node-gypNode.js native addon build tool
• is-windowsReturns true if the platform is windows. UMD module, works with node.js, commonjs, browser, AMD, electron, etc.
• node-gyp-build-optional-packagesBuild tool and bindings loader for node-gyp that supports prebuilds
• nanNative Abstractions for Node.js: C++ header for Node 0.8 -> 26 compatibility
• is-accessor-descriptorReturns true if a value has the characteristics of a valid JavaScript accessor descriptor.
• global-prefixGet the npm global path prefix.
• eslint-config-nextESLint configuration used by Next.js.
• hookableAwaitable hook system
• import-meta-resolveResolve things like Node.js — ponyfill for `import.meta.resolve`
• destrA faster, secure and convenient alternative for JSON.parse
• @szmarczak/http-timerTimings for HTTP requests
• clone-deepRecursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.
• http2-wrapperHTTP2 client, just with the familiar `https` API
• socket.io-parsersocket.io protocol parser
• proto3-json-serializerSupport for proto3 JSON serialiazation/deserialization for protobuf.js
• proxy-agentMaps proxy protocols to `http.Agent` implementations
• pac-resolverGenerates an asynchronous resolver function from a PAC file
• pac-proxy-agentA PAC file proxy `http.Agent` implementation for HTTP
• degeneratorCompiles sync functions into async generator functions
• google-gaxGoogle API Extensions
• cross-envRun scripts that set and use environment variables across platforms
• assertThe assert module from Node.js, for the browser.
• connectHigh performance middleware framework
• serve-indexServe directory listings
• clone-responseClone a Node.js HTTP response stream
• pidtreeCross platform children list of a PID
• isbinaryfileDetects if a file is binary in Node.js. Similar to Perl's -B.

• happy-dom vs jsdom
• dotenv vs @dotenvx/dotenvx
• convict vs envalid
• dotenv vs env-var
• @dotenvx/dotenvx vs dotenv-flow
• env-var vs envalid
• dotenv-expand vs dotenv-flow
• dotenv vs envalid
• dotenv-flow vs env-var
• @dotenvx/dotenvx vs varlock