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doc: removed redundant mentions to error codes 

PR-URL: https://github.com/nodejs/node/pull/13627
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
v6
jklepatch 8 years ago
committed by Tobias Nießen
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1 changed files with 79 additions and 99 deletions
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  1. 178
      doc/api/errors.md

178
doc/api/errors.md
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@ -565,16 +565,14 @@ found [here][online].
<a id="ERR_ARG_NOT_ITERABLE"></a>
### ERR_ARG_NOT_ITERABLE
The `'ERR_ARG_NOT_ITERABLE'` error code is used generically to identify that an
iterable argument (i.e. a value that works with `for...of` loops) is required,
but not provided to a Node.js API.
Used generically to identify that an iterable argument (i.e. a value that works
with `for...of` loops) is required, but not provided to a Node.js API.
<a id="ERR_CONSOLE_WRITABLE_STREAM"></a>
### ERR_CONSOLE_WRITABLE_STREAM
The `ERR_CONSOLE_WRITABLE_STREAM` error code is thrown when `Console` is
instantiated without `stdout` stream or when `stdout` or `stderr` streams
are not writable.
Used when `Console` is instantiated without `stdout` stream or when `stdout` or
`stderr` streams are not writable.
<a id="ERR_FALSY_VALUE_REJECTION"></a>
### ERR_FALSY_VALUE_REJECTION
@ -585,20 +583,19 @@ API when a callbackified `Promise` is rejected with a falsy value (e.g. `null`).
<a id="ERR_INDEX_OUT_OF_RANGE"></a>
### ERR_INDEX_OUT_OF_RANGE
The `'ERR_INDEX_OUT_OF_RANGE'` error code is used when a given index is out of
the accepted range.
Used when a given index is out of the accepted range.
<a id="ERR_INVALID_ARG_TYPE"></a>
### ERR_INVALID_ARG_TYPE
The `'ERR_INVALID_ARG_TYPE'` error code is used generically to identify that
an argument of the wrong type has been passed to a Node.js API.
Used generically to identify that an argument of the wrong type has been passed
to a Node.js API.
<a id="ERR_INVALID_CALLBACK"></a>
### ERR_INVALID_CALLBACK
The `'ERR_INVALID_CALLBACK'` error code is used generically to identify that
a callback function is required and has not been provided to a Node.js API.
Used generically to identify that a callback function is required and has not
been provided to a Node.js API.
<a id="ERR_INVALID_CURSOR_POS"></a>
### ERR_INVALID_CURSOR_POS
@ -609,46 +606,44 @@ stream is attempted to move to a specified row without a specified column.
<a id="ERR_INVALID_FILE_URL_HOST"></a>
### ERR_INVALID_FILE_URL_HOST
An error with the `'ERR_INVALID_FILE_URL_HOST'` code may be thrown when a
Node.js API that consumes `file:` URLs (such as certain functions in the
[`fs`][] module) encounters a file URL with an incompatible host. Currently,
this situation can only occur on Unix-like systems, where only `localhost` or
an empty host is supported.
Used when a Node.js API that consumes `file:` URLs (such as certain functions in
the [`fs`][] module) encounters a file URL with an incompatible host. Currently,
this situation can only occur on Unix-like systems, where only `localhost` or an
empty host is supported.
<a id="ERR_INVALID_FILE_URL_PATH"></a>
### ERR_INVALID_FILE_URL_PATH
An error with the `'ERR_INVALID_FILE_URL_PATH'` code may be thrown when a
Node.js API that consumes `file:` URLs (such as certain functions in the
[`fs`][] module) encounters a file URL with an incompatible path. The exact
semantics for determining whether a path can be used is platform-dependent.
Used when a Node.js API that consumes `file:` URLs (such as certain
functions in the [`fs`][] module) encounters a file URL with an incompatible
path. The exact semantics for determining whether a path can be used is
platform-dependent.
<a id="ERR_INVALID_HANDLE_TYPE"></a>
### ERR_INVALID_HANDLE_TYPE
The '`ERR_INVALID_HANDLE_TYPE`' error code is used when an attempt is made to
send an unsupported "handle" over an IPC communication channel to a child
process. See [`child.send()`] and [`process.send()`] for more information.
Used when an attempt is made to send an unsupported "handle" over an IPC
communication channel to a child process. See [`child.send()`] and
[`process.send()`] for more information.
<a id="ERR_INVALID_OPT_VALUE"></a>
### ERR_INVALID_OPT_VALUE
The `'ERR_INVALID_OPT_VALUE'` error code is used generically to identify when
an invalid or unexpected value has been passed in an options object.
Used generically to identify when an invalid or unexpected value has been
passed in an options object.
<a id="ERR_INVALID_SYNC_FORK_INPUT"></a>
### ERR_INVALID_SYNC_FORK_INPUT
The `'ERR_INVALID_SYNC_FORK_INPUT'` error code is used when a `Buffer`,
`Uint8Array` or `string` is provided as stdio input to a synchronous
fork. See the documentation for the [`child_process`](child_process.html)
module for more information.
Used when a `Buffer`, `Uint8Array` or `string` is provided as stdio input to a
synchronous fork. See the documentation for the
[`child_process`](child_process.html) module for more information.
<a id="ERR_INVALID_THIS"></a>
### ERR_INVALID_THIS
The `'ERR_INVALID_THIS'` error code is used generically to identify that a
Node.js API function is called with an incompatible `this` value.
Used generically to identify that a Node.js API function is called with an
incompatible `this` value.
Example:
@ -664,144 +659,129 @@ urlSearchParams.has.call(buf, 'foo');
<a id="ERR_INVALID_TUPLE"></a>
### ERR_INVALID_TUPLE
An error with code `'ERR_INVALID_TUPLE'` is thrown when an element in the
`iterable` provided to the [WHATWG][WHATWG URL API] [`URLSearchParams`
constructor][`new URLSearchParams(iterable)`] does not represent a `[name,
value]` tuple – that is, if an element is not iterable, or does not consist of
exactly two elements.
Used when an element in the `iterable` provided to the [WHATWG][WHATWG URL
API] [`URLSearchParams`constructor][`new URLSearchParams(iterable)`] does not
represent a `[name, value]` tuple – that is, if an element is not iterable, or
does not consist of exactly two elements.
<a id="ERR_INVALID_URL"></a>
### ERR_INVALID_URL
An error using the `'ERR_INVALID_URL'` code is thrown when an invalid URL is
passed to the [WHATWG][WHATWG URL API] [`URL` constructor][`new URL(input)`] to
be parsed. The thrown error object typically has an additional property
`'input'` that contains the URL that failed to parse.
Used when an invalid URL is passed to the [WHATWG][WHATWG URL API]
[`URL` constructor][`new URL(input)`] to be parsed. The thrown error object
typically has an additional property `'input'` that contains the URL that failed
to parse.
<a id="ERR_INVALID_URL_SCHEME"></a>
### ERR_INVALID_URL_SCHEME
The code `'ERR_INVALID_URL_SCHEME'` is used generically to signify an attempt
to use a URL of an incompatible scheme (aka protocol) for a specific purpose.
It is currently only used in the [WHATWG URL API][] support in the [`fs`][]
module (which only accepts URLs with `'file'` scheme), but may be used in other
Node.js APIs as well in the future.
Used generically to signify an attempt to use a URL of an incompatible scheme
(aka protocol) for a specific purpose. It is currently only used in the
[WHATWG URL API][] support in the [`fs`][] module (which only accepts URLs with
`'file'` scheme), but may be used in other Node.js APIs as well in the future.
<a id="ERR_IPC_CHANNEL_CLOSED"></a>
### ERR_IPC_CHANNEL_CLOSED
The `'ERR_IPC_CHANNEL_CLOSED'` error code is used when an attempt is made to use
an IPC communication channel that has already been closed.
Used when an attempt is made to use an IPC communication channel that has
already been closed.
<a id="ERR_IPC_DISCONNECTED"></a>
### ERR_IPC_DISCONNECTED
The `'ERR_IPC_DISCONNECTED'` error code is used when an attempt is made to
disconnect an already disconnected IPC communication channel between two
Node.js processes. See the documentation for the
[`child_process`](child_process.html) module for more information.
Used when an attempt is made to disconnect an already disconnected IPC
communication channel between two Node.js processes. See the documentation for
the [`child_process`](child_process.html) module for more information.
<a id="ERR_IPC_ONE_PIPE"></a>
### ERR_IPC_ONE_PIPE
The `'ERR_IPC_ONE_PIPE'` error code is used when an attempt is made to create
a child Node.js process using more than one IPC communication channel.
See the documentation for the [`child_process`](child_process.html)
module for more information.
Used when an attempt is made to create a child Node.js process using more than
one IPC communication channel. See the documentation for the
[`child_process`](child_process.html) module for more information.
<a id="ERR_IPC_SYNC_FORK"></a>
### ERR_IPC_SYNC_FORK
The `'ERR_IPC_SYNC_FORK'` error code is used when an attempt is made to open
an IPC communication channel with a synchronous forked Node.js process.
See the documentation for the [`child_process`](child_process.html)
module for more information.
Used when an attempt is made to open an IPC communication channel with a
synchronous forked Node.js process. See the documentation for the
[`child_process`](child_process.html) module for more information.
<a id="ERR_MISSING_ARGS"></a>
### ERR_MISSING_ARGS
The `'ERR_MISSING_ARGS'` error code is a generic error code for instances where
a required argument of a Node.js API is not passed. This is currently only used
in the [WHATWG URL API][] for strict compliance with the specification (which
in some cases may accept `func(undefined)` but not `func()`). In most native
Node.js APIs, `func(undefined)` and `func()` are treated identically, and the
[`ERR_INVALID_ARG_TYPE`][] error code may be used instead.
Used when a required argument of a Node.js API is not passed. This is currently
only used in the [WHATWG URL API][] for strict compliance with the specification
(which in some cases may accept `func(undefined)` but not `func()`). In most
native Node.js APIs, `func(undefined)` and `func()` are treated identically, and
the [`ERR_INVALID_ARG_TYPE`][] error code may be used instead.
<a id="ERR_SOCKET_ALREADY_BOUND"></a>
### ERR_SOCKET_ALREADY_BOUND
An error using the `'ERR_SOCKET_ALREADY_BOUND'` code is thrown when an attempt
is made to bind a socket that has already been bound.
Used when an attempt is made to bind a socket that has already been bound.
<a id="ERR_SOCKET_BAD_PORT"></a>
### ERR_SOCKET_BAD_PORT
An error using the `'ERR_SOCKET_BAD_PORT'` code is thrown when an API
function expecting a port > 0 and < 65536 receives an invalid value.
Used when an API function expecting a port > 0 and < 65536 receives an invalid
value.
<a id="ERR_SOCKET_BAD_TYPE"></a>
### ERR_SOCKET_BAD_TYPE
An error using the `'ERR_SOCKET_BAD_TYPE'` code is thrown when an API
function expecting a socket type (`udp4` or `udp6`) receives an invalid value.
Used when an API function expecting a socket type (`udp4` or `udp6`) receives an
invalid value.
<a id="ERR_SOCKET_CANNOT_SEND"></a>
### ERR_SOCKET_CANNOT_SEND
An error using the `'ERR_SOCKET_CANNOT_SEND'` code is thrown when data
cannot be sent on a socket.
Used when data cannot be sent on a socket.
<a id="ERR_SOCKET_DGRAM_NOT_RUNNING"></a>
### ERR_SOCKET_DGRAM_NOT_RUNNING
An error using the `'ERR_SOCKET_DGRAM_NOT_RUNNING'` code is thrown
when a call is made and the UDP subsystem is not running.
Used when a call is made and the UDP subsystem is not running.
<a id="ERR_STDERR_CLOSE"></a>
### ERR_STDERR_CLOSE
An error using the `'ERR_STDERR_CLOSE'` code is thrown specifically when an
attempt is made to close the `process.stderr` stream. By design, Node.js does
not allow `stdout` or `stderr` Streams to be closed by user code.
Used when an attempt is made to close the `process.stderr` stream. By design,
Node.js does not allow `stdout` or `stderr` Streams to be closed by user code.
<a id="ERR_STDOUT_CLOSE"></a>
### ERR_STDOUT_CLOSE
An error using the `'ERR_STDOUT_CLOSE'` code is thrown specifically when an
attempt is made to close the `process.stdout` stream. By design, Node.js does
not allow `stdout` or `stderr` Streams to be closed by user code.
Used when an attempt is made to close the `process.stdout` stream. By design,
Node.js does not allow `stdout` or `stderr` Streams to be closed by user code.
<a id="ERR_UNKNOWN_BUILTIN_MODULE"></a>
### ERR_UNKNOWN_BUILTIN_MODULE
The `'ERR_UNKNOWN_BUILTIN_MODULE'` error code is used to identify a specific
kind of internal Node.js error that should not typically be triggered by user
code. Instances of this error point to an internal bug within the Node.js
binary itself.
Used to identify a specific kind of internal Node.js error that should not
typically be triggered by user code. Instances of this error point to an
internal bug within the Node.js binary itself.
<a id="ERR_UNKNOWN_SIGNAL"></a>
### ERR_UNKNOWN_SIGNAL
The `'ERR_UNKNOWN_SIGNAL`' error code is used when an invalid or unknown
process signal is passed to an API expecting a valid signal (such as
[`child.kill()`][]).
Used when an invalid or unknown process signal is passed to an API expecting a
valid signal (such as [`child.kill()`][]).
<a id="ERR_UNKNOWN_STDIN_TYPE"></a>
### ERR_UNKNOWN_STDIN_TYPE
An error using the `'ERR_UNKNOWN_STDIN_TYPE'` code is thrown specifically when
an attempt is made to launch a Node.js process with an unknown `stdin` file
type. Errors of this kind cannot *typically* be caused by errors in user code,
although it is not impossible. Occurrences of this error are most likely an
indication of a bug within Node.js itself.
Used when an attempt is made to launch a Node.js process with an unknown `stdin`
file type. Errors of this kind cannot *typically* be caused by errors in user
code, although it is not impossible. Occurrences of this error are most likely
an indication of a bug within Node.js itself.
<a id="ERR_UNKNOWN_STREAM_TYPE"></a>
### ERR_UNKNOWN_STREAM_TYPE
An error using the `'ERR_UNKNOWN_STREAM_TYPE'` code is thrown specifically when
an attempt is made to launch a Node.js process with an unknown `stdout` or
`stderr` file type. Errors of this kind cannot *typically* be caused by errors
in user code, although it is not impossible. Occurrences of this error are most
likely an indication of a bug within Node.js itself.
Used when an attempt is made to launch a Node.js process with an unknown
`stdout` or `stderr` file type. Errors of this kind cannot *typically* be caused
by errors in user code, although it is not impossible. Occurrences of this error
are most likely an indication of a bug within Node.js itself.
[`ERR_INVALID_ARG_TYPE`]: #ERR_INVALID_ARG_TYPE

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