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Deno Node compatibility

This module is meant to have a compatibility layer for the NodeJS standard library.

Warning: Any function of this module should not be referred anywhere in the deno standard library as it's a compatiblity module.

Supported Builtins

  • assert
  • buffer
  • child_process
  • cluster
  • console
  • crypto
  • dgram
  • dns
  • events
  • fs partly
  • http
  • http2
  • https
  • module
  • net
  • os partly
  • path
  • perf_hooks
  • process partly
  • querystring
  • readline
  • repl
  • stream
  • string_decoder
  • sys
  • timers
  • tls
  • tty
  • url
  • util partly
  • v8 can't implement
  • vm
  • worker_threads
  • zlib
  • node globals partly

Deprecated

These builtins are deprecated in NodeJS v13 and will probably not be polyfilled:

  • constants
  • domain
  • freelist
  • punycode

Experimental

These builtins are experimental in NodeJS v13 and will not be polyfilled until they are stable:

  • async_hooks
  • inspector
  • policies
  • report
  • trace_events
  • wasi

CommonJS Module Loading

createRequire(...) is provided to create a require function for loading CJS modules.

import { createRequire } from "https://deno.land/std/node/module.ts";

const require_ = createRequire(import.meta.url);
// Loads native module polyfill.
const path = require_("path");
// Loads extensionless module.
const cjsModule = require_("./my_mod");
// Visits node_modules.
const leftPad = require_("left-pad");