Misc utils (async array iterator, random characters, exit on silent unhandledRejection errors, etc...)

const utils = require('corifeus-utils');

• Modules
  • Async Array Iterator forEachAsync
  • JSON.strintify for Error
  • Lodash Pascal
  • Lodash patch to work _.isEmpty with Symbols
  • Remove silent process unhandledRejection end process.exit(), adds timestamp
  • Process uncaughtException that shows timestamp.
  • Random async Base62 string
  • Replace inject - finds a prefix and postfix in a string and replace the content, strings.inject
  • Convert a byte array or string to base62, utils.base.charset(string)
  • Async Hash (SHA-512, SHA-256) file using Base62,
  • Promise based HTTP Request
  • Time utilies
  • Additional file system utils
  • JSON based file database
  • HTTP/HTTPS based async/Promise request

Actual modules 

Everything is promise based.

• time
  • verbose
  • span
• regexp
  • escape
• random
  • async (default is base62)
  • complexUuid
• promise
  • deferred (simple extract the reject, resolve and promise function, instead of callback)
• process
  • unhandledRejection
  • uncaughtException
  • writableCallbackExit
• object
  • reduce
• hash
  • async file
• string
  • padStart
  • empty
  • inject
• lodash
  • PascalCase
  • isEmpty
• http
  • async request
• db
  • file based json storage
• child-process
  • async exec
• array
  • forEachAsync, async/await for each
• network
  • isPortReachable
  • makeRange
  • getPort
• fs
  • ensureFile
  • ensureDir
  • find
  • ensureTempFile
  • tempFileName
  • readdirRecursive
  • createWriteStream
• crypto
  • encrypt
  • decrypt
• error
  • default Error has toJSON method
• timer

Corifeus Network 

AI-powered network & email toolkit — free, no signup.

Web · network.corifeus.com MCP · npm i -g p3x-network-mcp

• AI Network Assistant — ask in plain language, get a full domain health report
• Network Audit — DNS, SSL, security headers, DNSBL, BGP, IPv6, geolocation in one call
• Diagnostics — DNS lookup & global propagation, WHOIS, reverse DNS, HTTP check, my-IP
• Mail Tester — live SPF/DKIM/DMARC + spam score + AI fix suggestions, results emailed (localized)
• Monitoring — TCP / HTTP / Ping with alerts and public status pages
• MCP server — 17 tools exposed to Claude Code, Codex, Cursor, any MCP client
• Install — claude mcp add p3x-network -- npx p3x-network-mcp
• Try — "audit example.com", "why do my emails land in spam? test me@example.com "
• Source — patrikx3/network · patrikx3/network-mcp
• Contact — patrikx3.com · donate

Support Our Open-Source Project 

If you appreciate our work, consider starring this repository or making a donation to support server maintenance and ongoing development. Your support means the world to us—thank you!

About My Domains 

All my domains, including patrikx3.com , corifeus.eu , and corifeus.com, are developed in my spare time. While you may encounter minor errors, the sites are generally stable and fully functional.

Versioning Policy 

Version Structure: We follow a Major.Minor.Patch versioning scheme:

• Major: Corresponds to the current year.
• Minor: Set as 4 for releases from January to June, and 10 for July to December.
• Patch: Incremental, updated with each build.

Important Changes: Any breaking changes are prominently noted in the readme to keep you informed.

CORIFEUS-UTILS Build v2026.4.125