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net: type check createServer options object #2904

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@sam-github
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@sam-github sam-github commented Sep 16, 2015

net.createServer('aPipe') and net.createServer(8080) are mistakes, and
now throw a TypeError instead of silently being treated as an object.

net.createServer('aPipe') and net.createServer(8080) are mistakes, and
now throw a TypeError instead of silently being treated as an object.
@sam-github sam-github added the net label Sep 16, 2015
@@ -0,0 +1,7 @@
'use strict';
var common = require('../common');
var assert = require('assert');

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@thefourtheye

thefourtheye Sep 16, 2015
Contributor

Use const

@@ -1080,12 +1080,14 @@ function Server(options, connectionListener) {
connectionListener = options;
options = {};
self.on('connection', connectionListener);
} else {
} else if(options == null || typeof options === 'object') {

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@cjihrig

cjihrig Sep 17, 2015
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Space between if and (

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@Trott

Trott Sep 17, 2015
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Nit: typeof null returns 'object' so you can skip the check for options == null unless the intention is for the not-strict equality to allow undefined, in which case I imagine checking for undefined would be more clear. Meh, maybe not so much. == null is pretty idiomatic for "null or undefined".

@cjihrig
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@cjihrig cjihrig commented Sep 17, 2015

LGTM

@evanlucas
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@evanlucas evanlucas commented Sep 18, 2015

Is this semver-major with the throw or are we considering this a bugfix?

@cjihrig
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@cjihrig cjihrig commented Sep 18, 2015

Seems like a bug fix to me. Currently, if you passed something like 5 as options, you'd hit options = options || {};, and then later crash on this.allowHalfOpen = options.allowHalfOpen || false;.

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@evanlucas evanlucas commented Sep 18, 2015

Ah that makes sense

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@evanlucas evanlucas commented Sep 18, 2015

So I guess the behavior would still be changing if false were passed?

@cjihrig
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@cjihrig cjihrig commented Sep 18, 2015

Yea I guess so. Same for NaN, as undocumented as it may be :-)

@evanlucas
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@evanlucas evanlucas commented Sep 18, 2015

LGTM minus the nit that @cjihrig pointed out

@Trott Trott force-pushed the nodejs:master branch to 082cc8d Dec 27, 2015
@benjamingr
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@benjamingr benjamingr commented Mar 14, 2016

Anything blocking this?

@cjihrig
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@cjihrig cjihrig commented Mar 14, 2016

@benjamingr just one style nit, and a CI run, as far as I can tell. If you want, you can address the style nit and land it, assuming CI is happy.

@whitlockjc
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@whitlockjc whitlockjc commented Mar 14, 2016

We also might want to squash the commits no?

@cjihrig
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@cjihrig cjihrig commented Mar 14, 2016

Yes

@benjamingr
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@benjamingr benjamingr commented Mar 14, 2016

Sure, I'll shape it up and land it tomorrow

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@benjamingr benjamingr commented Mar 15, 2016

The linter is angry for missing a space between the if and a ( - otherwise tests pass - I'll fix this locally.

benjamingr added a commit that referenced this pull request Mar 15, 2016
net.createServer('aPipe') and net.createServer(8080) are mistakes,
and now throw a TypeError instead of silently being treated as an
object.

PR-URL: #2904
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
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@benjamingr benjamingr commented Mar 15, 2016

Landed in a78b334 . Thanks.

@jasnell
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@jasnell jasnell commented Mar 15, 2016

Marked as a semver-major because it adds a new throw.

@Fishrock123
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@Fishrock123 Fishrock123 commented Mar 15, 2016

@evanlucas make sure you catch this for v5.8.1 ^

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@evanlucas evanlucas commented Mar 15, 2016

@Fishrock123 semver-major though?

@benjamingr
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@benjamingr benjamingr commented Mar 15, 2016

See the discussion above @jasnell @Fishrock123 :

Seems like a bug fix to me. Currently, if you passed something like 5 as options, you'd hit options = options || {};, and then later crash on this.allowHalfOpen = options.allowHalfOpen || false;.

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@jasnell jasnell commented Mar 15, 2016

hmm... not sure about that. If I passed 5 as options, options = options || {} would mean options = 5, which means this.allowHalfOpen = options.allowHalfOpen || false would not crash, it would simply resolve to this.allowHalfOpen = false.

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@benjamingr benjamingr commented Mar 15, 2016

That's right, I tend to agree.

@jasnell jasnell mentioned this pull request Mar 17, 2016
@jasnell jasnell mentioned this pull request Apr 19, 2016
jasnell added a commit that referenced this pull request Apr 26, 2016
The following significant (semver-major) changes have been made since the
previous Node v5.0.0 release.

* Buffer
  * New Buffer constructors have been added
    [#4682](#4682)
  * Previously deprecated Buffer APIs are removed
    [#5048](#5048),
    [#4594](#4594)
  * Improved error handling [#4514](#4514)
* Cluster
  * Worker emitted as first argument in 'message' event
    [#5361](#5361).
* Crypto
  * Improved error handling [#3100](#3100),
    [#5611](#5611)
  * Simplified Certificate class bindings
    [#5382](#5382)
  * Improved control over FIPS mode
    [#5181](#5181)
  * pbkdf2 digest overloading is deprecated
    [#4047](#4047)
* Dependencies
  * Reintroduce shared c-ares build support
    [#5775](#5775).
  * V8 updated to 5.0.71.31 [#6111](#6111).
* DNS
  * Add resolvePtr API to query plain DNS PTR records
    [#4921](#4921).
* Domains
  * Clear stack when no error handler
  [#4659](#4659).
* File System
  * The `fs.realpath()` and `fs.realpathSync()` methods have been updated
    to use a more efficient libuv implementation. This change includes the
    removal of the `cache` argument and the method can throw new errors
    [#3594](#3594)
  * FS apis can now accept and return paths as Buffers
    [#5616](#5616).
  * Error handling and type checking improvements
    [#5616](#5616),
    [#5590](#5590),
    [#4518](#4518),
    [#3917](#3917).
  * fs.read's string interface is deprecated
    [#4525](#4525)
* HTTP
  * 'clientError' can now be used to return custom errors from an
    HTTP server [#4557](#4557).
* Modules
  * Current directory is now prioritized for local lookups
    [#5689](#5689)
  * Symbolic links are preserved when requiring modules
    [#5950](#5950)
* Net
  * DNS hints no longer implicitly set
    [#6021](#6021).
  * Improved error handling and type checking
    [#5981](#5981),
    [#5733](#5733),
    [#2904](#2904)
* Path
  * Improved type checking [#5348](#5348).
* Process
  * Introduce process warnings API
    [#4782](#4782).
  * Throw exception when non-function passed to nextTick
    [#3860](#3860).
* Readline
  * Emit key info unconditionally
    [#6024](#6024)
* REPL
  * Assignment to `_` will emit a warning.
    [#5535](#5535)
* Timers
  * Fail early when callback is not a function
    [#4362](#4362)
* TLS
  * Rename 'clientError' to 'tlsClientError'
    [#4557](#4557)
  * SHA1 used for sessionIdContext
    [#3866](#3866)
* TTY
  * Previously deprecated setRawMode wrapper is removed
    [#2528](#2528).
* Util
  * Changes to Error object formatting
    [#4582](#4582).
* Windows
  * Windows XP and Vista are no longer supported
    [#5167](#5167),
    [#5167](#5167).
jasnell added a commit that referenced this pull request Apr 26, 2016
The following significant (semver-major) changes have been made since the
previous Node v5.0.0 release.

* Buffer
  * New Buffer constructors have been added
    [#4682](#4682)
  * Previously deprecated Buffer APIs are removed
    [#5048](#5048),
    [#4594](#4594)
  * Improved error handling [#4514](#4514)
* Cluster
  * Worker emitted as first argument in 'message' event
    [#5361](#5361).
* Crypto
  * Improved error handling [#3100](#3100),
    [#5611](#5611)
  * Simplified Certificate class bindings
    [#5382](#5382)
  * Improved control over FIPS mode
    [#5181](#5181)
  * pbkdf2 digest overloading is deprecated
    [#4047](#4047)
* Dependencies
  * Reintroduce shared c-ares build support
    [#5775](#5775).
  * V8 updated to 5.0.71.31 [#6111](#6111).
* DNS
  * Add resolvePtr API to query plain DNS PTR records
    [#4921](#4921).
* Domains
  * Clear stack when no error handler
  [#4659](#4659).
* File System
  * The `fs.realpath()` and `fs.realpathSync()` methods have been updated
    to use a more efficient libuv implementation. This change includes the
    removal of the `cache` argument and the method can throw new errors
    [#3594](#3594)
  * FS apis can now accept and return paths as Buffers
    [#5616](#5616).
  * Error handling and type checking improvements
    [#5616](#5616),
    [#5590](#5590),
    [#4518](#4518),
    [#3917](#3917).
  * fs.read's string interface is deprecated
    [#4525](#4525)
* HTTP
  * 'clientError' can now be used to return custom errors from an
    HTTP server [#4557](#4557).
* Modules
  * Current directory is now prioritized for local lookups
    [#5689](#5689)
  * Symbolic links are preserved when requiring modules
    [#5950](#5950)
* Net
  * DNS hints no longer implicitly set
    [#6021](#6021).
  * Improved error handling and type checking
    [#5981](#5981),
    [#5733](#5733),
    [#2904](#2904)
* Path
  * Improved type checking [#5348](#5348).
* Process
  * Introduce process warnings API
    [#4782](#4782).
  * Throw exception when non-function passed to nextTick
    [#3860](#3860).
* Readline
  * Emit key info unconditionally
    [#6024](#6024)
* REPL
  * Assignment to `_` will emit a warning.
    [#5535](#5535)
* Timers
  * Fail early when callback is not a function
    [#4362](#4362)
* TLS
  * Rename 'clientError' to 'tlsClientError'
    [#4557](#4557)
  * SHA1 used for sessionIdContext
    [#3866](#3866)
* TTY
  * Previously deprecated setRawMode wrapper is removed
    [#2528](#2528).
* Util
  * Changes to Error object formatting
    [#4582](#4582).
* Windows
  * Windows XP and Vista are no longer supported
    [#5167](#5167),
    [#5167](#5167).
jasnell added a commit that referenced this pull request Apr 26, 2016
The following significant (semver-major) changes have been made since the
previous Node v5.0.0 release.

* Buffer
  * New Buffer constructors have been added
    [#4682](#4682)
  * Previously deprecated Buffer APIs are removed
    [#5048](#5048),
    [#4594](#4594)
  * Improved error handling [#4514](#4514)
* Cluster
  * Worker emitted as first argument in 'message' event
    [#5361](#5361).
* Crypto
  * Improved error handling [#3100](#3100),
    [#5611](#5611)
  * Simplified Certificate class bindings
    [#5382](#5382)
  * Improved control over FIPS mode
    [#5181](#5181)
  * pbkdf2 digest overloading is deprecated
    [#4047](#4047)
* Dependencies
  * Reintroduce shared c-ares build support
    [#5775](#5775).
  * V8 updated to 5.0.71.31 [#6111](#6111).
* DNS
  * Add resolvePtr API to query plain DNS PTR records
    [#4921](#4921).
* Domains
  * Clear stack when no error handler
  [#4659](#4659).
* File System
  * The `fs.realpath()` and `fs.realpathSync()` methods have been updated
    to use a more efficient libuv implementation. This change includes the
    removal of the `cache` argument and the method can throw new errors
    [#3594](#3594)
  * FS apis can now accept and return paths as Buffers
    [#5616](#5616).
  * Error handling and type checking improvements
    [#5616](#5616),
    [#5590](#5590),
    [#4518](#4518),
    [#3917](#3917).
  * fs.read's string interface is deprecated
    [#4525](#4525)
* HTTP
  * 'clientError' can now be used to return custom errors from an
    HTTP server [#4557](#4557).
* Modules
  * Current directory is now prioritized for local lookups
    [#5689](#5689)
  * Symbolic links are preserved when requiring modules
    [#5950](#5950)
* Net
  * DNS hints no longer implicitly set
    [#6021](#6021).
  * Improved error handling and type checking
    [#5981](#5981),
    [#5733](#5733),
    [#2904](#2904)
* OS X
  * MACOSX_DEPLOYMENT_TARGET has been bumped up to 10.7
    [#6402](#6402).
* Path
  * Improved type checking [#5348](#5348).
* Process
  * Introduce process warnings API
    [#4782](#4782).
  * Throw exception when non-function passed to nextTick
    [#3860](#3860).
* Readline
  * Emit key info unconditionally
    [#6024](#6024)
* REPL
  * Assignment to `_` will emit a warning.
    [#5535](#5535)
* Timers
  * Fail early when callback is not a function
    [#4362](#4362)
* TLS
  * Rename 'clientError' to 'tlsClientError'
    [#4557](#4557)
  * SHA1 used for sessionIdContext
    [#3866](#3866)
* TTY
  * Previously deprecated setRawMode wrapper is removed
    [#2528](#2528).
* Util
  * Changes to Error object formatting
    [#4582](#4582).
* Windows
  * Windows XP and Vista are no longer supported
    [#5167](#5167),
    [#5167](#5167).
jasnell added a commit that referenced this pull request Apr 26, 2016
The following significant (semver-major) changes have been made since the
previous Node v5.0.0 release.

* Buffer
  * New Buffer constructors have been added
    [#4682](#4682)
  * Previously deprecated Buffer APIs are removed
    [#5048](#5048),
    [#4594](#4594)
  * Improved error handling [#4514](#4514)
* Cluster
  * Worker emitted as first argument in 'message' event
    [#5361](#5361).
* Crypto
  * Improved error handling [#3100](#3100),
    [#5611](#5611)
  * Simplified Certificate class bindings
    [#5382](#5382)
  * Improved control over FIPS mode
    [#5181](#5181)
  * pbkdf2 digest overloading is deprecated
    [#4047](#4047)
* Dependencies
  * Reintroduce shared c-ares build support
    [#5775](#5775).
  * V8 updated to 5.0.71.31 [#6111](#6111).
* DNS
  * Add resolvePtr API to query plain DNS PTR records
    [#4921](#4921).
* Domains
  * Clear stack when no error handler
  [#4659](#4659).
* File System
  * The `fs.realpath()` and `fs.realpathSync()` methods have been updated
    to use a more efficient libuv implementation. This change includes the
    removal of the `cache` argument and the method can throw new errors
    [#3594](#3594)
  * FS apis can now accept and return paths as Buffers
    [#5616](#5616).
  * Error handling and type checking improvements
    [#5616](#5616),
    [#5590](#5590),
    [#4518](#4518),
    [#3917](#3917).
  * fs.read's string interface is deprecated
    [#4525](#4525)
* HTTP
  * 'clientError' can now be used to return custom errors from an
    HTTP server [#4557](#4557).
* Modules
  * Current directory is now prioritized for local lookups
    [#5689](#5689)
  * Symbolic links are preserved when requiring modules
    [#5950](#5950)
* Net
  * DNS hints no longer implicitly set
    [#6021](#6021).
  * Improved error handling and type checking
    [#5981](#5981),
    [#5733](#5733),
    [#2904](#2904)
* OS X
  * MACOSX_DEPLOYMENT_TARGET has been bumped up to 10.7
    [#6402](#6402).
* Path
  * Improved type checking [#5348](#5348).
* Process
  * Introduce process warnings API
    [#4782](#4782).
  * Throw exception when non-function passed to nextTick
    [#3860](#3860).
* Readline
  * Emit key info unconditionally
    [#6024](#6024)
* REPL
  * Assignment to `_` will emit a warning.
    [#5535](#5535)
* Timers
  * Fail early when callback is not a function
    [#4362](#4362)
* TLS
  * Rename 'clientError' to 'tlsClientError'
    [#4557](#4557)
  * SHA1 used for sessionIdContext
    [#3866](#3866)
* TTY
  * Previously deprecated setRawMode wrapper is removed
    [#2528](#2528).
* Util
  * Changes to Error object formatting
    [#4582](#4582).
* Windows
  * Windows XP and Vista are no longer supported
    [#5167](#5167),
    [#5167](#5167).
jasnell added a commit that referenced this pull request Apr 26, 2016
The following significant (semver-major) changes have been made since the
previous Node v5.0.0 release.

* Buffer
  * New Buffer constructors have been added
    [#4682](#4682)
  * Previously deprecated Buffer APIs are removed
    [#5048](#5048),
    [#4594](#4594)
  * Improved error handling [#4514](#4514)
* Cluster
  * Worker emitted as first argument in 'message' event
    [#5361](#5361).
* Crypto
  * Improved error handling [#3100](#3100),
    [#5611](#5611)
  * Simplified Certificate class bindings
    [#5382](#5382)
  * Improved control over FIPS mode
    [#5181](#5181)
  * pbkdf2 digest overloading is deprecated
    [#4047](#4047)
* Dependencies
  * Reintroduce shared c-ares build support
    [#5775](#5775).
  * V8 updated to 5.0.71.31 [#6111](#6111).
* DNS
  * Add resolvePtr API to query plain DNS PTR records
    [#4921](#4921).
* Domains
  * Clear stack when no error handler
  [#4659](#4659).
* File System
  * The `fs.realpath()` and `fs.realpathSync()` methods have been updated
    to use a more efficient libuv implementation. This change includes the
    removal of the `cache` argument and the method can throw new errors
    [#3594](#3594)
  * FS apis can now accept and return paths as Buffers
    [#5616](#5616).
  * Error handling and type checking improvements
    [#5616](#5616),
    [#5590](#5590),
    [#4518](#4518),
    [#3917](#3917).
  * fs.read's string interface is deprecated
    [#4525](#4525)
* HTTP
  * 'clientError' can now be used to return custom errors from an
    HTTP server [#4557](#4557).
* Modules
  * Current directory is now prioritized for local lookups
    [#5689](#5689)
  * Symbolic links are preserved when requiring modules
    [#5950](#5950)
* Net
  * DNS hints no longer implicitly set
    [#6021](#6021).
  * Improved error handling and type checking
    [#5981](#5981),
    [#5733](#5733),
    [#2904](#2904)
* OS X
  * MACOSX_DEPLOYMENT_TARGET has been bumped up to 10.7
    [#6402](#6402).
* Path
  * Improved type checking [#5348](#5348).
* Process
  * Introduce process warnings API
    [#4782](#4782).
  * Throw exception when non-function passed to nextTick
    [#3860](#3860).
* Readline
  * Emit key info unconditionally
    [#6024](#6024)
* REPL
  * Assignment to `_` will emit a warning.
    [#5535](#5535)
* Timers
  * Fail early when callback is not a function
    [#4362](#4362)
* TLS
  * Rename 'clientError' to 'tlsClientError'
    [#4557](#4557)
  * SHA1 used for sessionIdContext
    [#3866](#3866)
* TTY
  * Previously deprecated setRawMode wrapper is removed
    [#2528](#2528).
* Util
  * Changes to Error object formatting
    [#4582](#4582).
* Windows
  * Windows XP and Vista are no longer supported
    [#5167](#5167),
    [#5167](#5167).
@sam-github sam-github deleted the sam-github:net-create-server-arg-checking branch Apr 17, 2017
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