Now that #11220 has landed, we need to begin the process of migrating errors in the */lib.js source over to use it. A basic guide is provided here.

Note that moving existing errors over to this mechanism should, in general, be considered semver-major.

Please use the following list to track which files have been migrated over to using the new errors and provide a link back to this issue in the relevant PRs

• Internal
  • cluster (No changes required here)
    • child.js
    • master.js
    • round_robin_handle.js
    • shared_handle.js
    • utils.js
    • worker.js
  • process
    • next_tick.js - process: use internal/errors in internalNextTick #13982
    • promises.js - errors, process: port internal/process errors to internal/errors #11294
    • stdio.js - errors, process: port internal/process errors to internal/errors #11294
    • warning.js - errors, process: port internal/process errors to internal/errors #11294
  • streams (No changes required here)
    • BufferList.js
    • lazy_transform.js
    • legacy.js
  • bootstrap_node.js - errors: assign error code to bootstrap_node created error #11298
  • buffer.js - errors: port internal/buffer errors to internal/errors #11341
  • child_process.js - errors, child_process: migrate to using internal/errors #11300 + child_process: use internal/errors #14009
  • errors.js (No need to migrate itself)
  • freelist.js (No changes required here)
  • fs.js - errors: port internal/fs errors to internal/errors #11317, internal: use internal/errors #13829,
  • linkedlist.js (No changes required here)
  • module.js (No changes required here)
  • net.js - errors,net: change internal/net.js to use internal/errors.js #11302
  • process.js
  • readline.js
  • repl.js
  • socket_list.js - errors socket_list : Migrate errors to internal/errors.js #11356
  • url.js - url: port WHATWG URL API to internal/errors #12574
  • util.js - internal/util: use internal/errors.js #11301, internal: use internal/errors #13829
  • v8_prof_polyfill.js (No changes required here)
  • v8_prof_processor.js (No changes required here)
• _debug_agent.js (removed in 549e81bfa1)
• _debugger.js - debugger, errors: migrate to use internal/errors.js #11380 (File removed from master)
• _http_agent.js
• _http_client.js - http_client, errors: migrate to use internal/errors #14423
• _http_common.js
• _http_incoming.js
• _http_outgoing.js _http_outgoing: migrate to use internal/errors #14735
• _http_server.js
• _linklist.js
• _tls_common.js (No changes needed here)
• _tls_legacy.js (No changes needed here)
• _tls_wrap.js - errors,tls_wrap: migrate to use internal/errors.js #13476
• assert.js
• async_hooks.js async_hooks,async_wrap: fixups and fewer aborts #14722
• buffer.js #13976
• child_process.js lib/child_process: convert to using internal/errors #15090
• cluster.js (No changes required here)
• console.js - errors, console: migrate to use internal/errors.js #11308
• constants.js (No changes required here)
• crypto.js
• dgram.js - #12926
• dns.js - dns, errors: Migrate to use internal/errors #14212
• domain.js
• events.js - events: migrate to internal/errors #15623
• fs.js - lib/fs: convert to using internal/errors #15043
• http.js (No changes required here)
• https.js - lib/https: convert to using internal/errors #15603
• inspector.js inspector: migrate to internal/errors #15619
• module.js
• net.js - lib/net: Convert to using internal/errors #14782
• os.js (No changes required here)
• path.js - errors, path: migrate to use internal/errors.js #11319
• process.js (No changes required here)
• punycode.js (may not need to do this one)
• querystring.js - lib/querystring: convert to using internal/errors #15565
• readline.js - errors, readline: migrate to use internal/errors.js #11390
• repl.js - errors, repl: migrate to use internal/errors.js #11347
• timers.js - timers: Migrate to use internal/errors #14659
• tls.js - tls: migrate tls.js to use internal/errors.js #13994
• tty.js
• url.js - errors, url: port url errors to internal/errors #13963
• util.js
• v8.js (no changes required here)
• vm.js
• zlib.js - zlib: migrate to internal/errors #15618

stream related (blocked)

• _stream_duplex.js
• _stream_passthrough.js
• _stream_readable.js
• _stream_transform.js
• _stream_wrap.js - errors,_stream_wrap: change _stream_wrap.js to use internal/errors.js #13291
• _stream_writable.js
• string_decoder.js - string_decoder: Migrate to use internal/errors #14682
• stream.js

@refack: removed GFC label and commented out sentence in description + split off stream stuff
@BridgeAR: updated the list