结对作业前端demo

main
QMZ 2 months ago
parent 347989f5c1
commit 5cde94997e

@ -0,0 +1,5 @@
# 默认忽略的文件
/shelf/
/workspace.xml
# 基于编辑器的 HTTP 客户端请求
/httpRequests/

@ -0,0 +1,12 @@
<?xml version="1.0" encoding="UTF-8"?>
<module type="WEB_MODULE" version="4">
<component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$">
<excludeFolder url="file://$MODULE_DIR$/temp" />
<excludeFolder url="file://$MODULE_DIR$/.tmp" />
<excludeFolder url="file://$MODULE_DIR$/tmp" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/demo.iml" filepath="$PROJECT_DIR$/.idea/demo.iml" />
</modules>
</component>
</project>

16
jiedui/node_modules/.bin/crc32 generated vendored

@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../crc-32/bin/crc32.njs" "$@"
else
exec node "$basedir/../crc-32/bin/crc32.njs" "$@"
fi

@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\crc-32\bin\crc32.njs" %*

@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../crc-32/bin/crc32.njs" $args
} else {
& "$basedir/node$exe" "$basedir/../crc-32/bin/crc32.njs" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../crc-32/bin/crc32.njs" $args
} else {
& "node$exe" "$basedir/../crc-32/bin/crc32.njs" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
jiedui/node_modules/.bin/mime generated vendored

@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../mime/cli.js" "$@"
else
exec node "$basedir/../mime/cli.js" "$@"
fi

17
jiedui/node_modules/.bin/mime.cmd generated vendored

@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\mime\cli.js" %*

28
jiedui/node_modules/.bin/mime.ps1 generated vendored

@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../mime/cli.js" $args
} else {
& "$basedir/node$exe" "$basedir/../mime/cli.js" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../mime/cli.js" $args
} else {
& "node$exe" "$basedir/../mime/cli.js" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
jiedui/node_modules/.bin/mkdirp generated vendored

@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../mkdirp/bin/cmd.js" "$@"
else
exec node "$basedir/../mkdirp/bin/cmd.js" "$@"
fi

@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\mkdirp\bin\cmd.js" %*

@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../mkdirp/bin/cmd.js" $args
} else {
& "$basedir/node$exe" "$basedir/../mkdirp/bin/cmd.js" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../mkdirp/bin/cmd.js" $args
} else {
& "node$exe" "$basedir/../mkdirp/bin/cmd.js" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
jiedui/node_modules/.bin/xlsx generated vendored

@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../xlsx/bin/xlsx.njs" "$@"
else
exec node "$basedir/../xlsx/bin/xlsx.njs" "$@"
fi

17
jiedui/node_modules/.bin/xlsx.cmd generated vendored

@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\xlsx\bin\xlsx.njs" %*

28
jiedui/node_modules/.bin/xlsx.ps1 generated vendored

@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../xlsx/bin/xlsx.njs" $args
} else {
& "$basedir/node$exe" "$basedir/../xlsx/bin/xlsx.njs" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../xlsx/bin/xlsx.njs" $args
} else {
& "node$exe" "$basedir/../xlsx/bin/xlsx.njs" $args
}
$ret=$LASTEXITCODE
}
exit $ret

File diff suppressed because it is too large Load Diff

@ -0,0 +1,243 @@
1.3.8 / 2022-02-02
==================
* deps: mime-types@~2.1.34
- deps: mime-db@~1.51.0
* deps: negotiator@0.6.3
1.3.7 / 2019-04-29
==================
* deps: negotiator@0.6.2
- Fix sorting charset, encoding, and language with extra parameters
1.3.6 / 2019-04-28
==================
* deps: mime-types@~2.1.24
- deps: mime-db@~1.40.0
1.3.5 / 2018-02-28
==================
* deps: mime-types@~2.1.18
- deps: mime-db@~1.33.0
1.3.4 / 2017-08-22
==================
* deps: mime-types@~2.1.16
- deps: mime-db@~1.29.0
1.3.3 / 2016-05-02
==================
* deps: mime-types@~2.1.11
- deps: mime-db@~1.23.0
* deps: negotiator@0.6.1
- perf: improve `Accept` parsing speed
- perf: improve `Accept-Charset` parsing speed
- perf: improve `Accept-Encoding` parsing speed
- perf: improve `Accept-Language` parsing speed
1.3.2 / 2016-03-08
==================
* deps: mime-types@~2.1.10
- Fix extension of `application/dash+xml`
- Update primary extension for `audio/mp4`
- deps: mime-db@~1.22.0
1.3.1 / 2016-01-19
==================
* deps: mime-types@~2.1.9
- deps: mime-db@~1.21.0
1.3.0 / 2015-09-29
==================
* deps: mime-types@~2.1.7
- deps: mime-db@~1.19.0
* deps: negotiator@0.6.0
- Fix including type extensions in parameters in `Accept` parsing
- Fix parsing `Accept` parameters with quoted equals
- Fix parsing `Accept` parameters with quoted semicolons
- Lazy-load modules from main entry point
- perf: delay type concatenation until needed
- perf: enable strict mode
- perf: hoist regular expressions
- perf: remove closures getting spec properties
- perf: remove a closure from media type parsing
- perf: remove property delete from media type parsing
1.2.13 / 2015-09-06
===================
* deps: mime-types@~2.1.6
- deps: mime-db@~1.18.0
1.2.12 / 2015-07-30
===================
* deps: mime-types@~2.1.4
- deps: mime-db@~1.16.0
1.2.11 / 2015-07-16
===================
* deps: mime-types@~2.1.3
- deps: mime-db@~1.15.0
1.2.10 / 2015-07-01
===================
* deps: mime-types@~2.1.2
- deps: mime-db@~1.14.0
1.2.9 / 2015-06-08
==================
* deps: mime-types@~2.1.1
- perf: fix deopt during mapping
1.2.8 / 2015-06-07
==================
* deps: mime-types@~2.1.0
- deps: mime-db@~1.13.0
* perf: avoid argument reassignment & argument slice
* perf: avoid negotiator recursive construction
* perf: enable strict mode
* perf: remove unnecessary bitwise operator
1.2.7 / 2015-05-10
==================
* deps: negotiator@0.5.3
- Fix media type parameter matching to be case-insensitive
1.2.6 / 2015-05-07
==================
* deps: mime-types@~2.0.11
- deps: mime-db@~1.9.1
* deps: negotiator@0.5.2
- Fix comparing media types with quoted values
- Fix splitting media types with quoted commas
1.2.5 / 2015-03-13
==================
* deps: mime-types@~2.0.10
- deps: mime-db@~1.8.0
1.2.4 / 2015-02-14
==================
* Support Node.js 0.6
* deps: mime-types@~2.0.9
- deps: mime-db@~1.7.0
* deps: negotiator@0.5.1
- Fix preference sorting to be stable for long acceptable lists
1.2.3 / 2015-01-31
==================
* deps: mime-types@~2.0.8
- deps: mime-db@~1.6.0
1.2.2 / 2014-12-30
==================
* deps: mime-types@~2.0.7
- deps: mime-db@~1.5.0
1.2.1 / 2014-12-30
==================
* deps: mime-types@~2.0.5
- deps: mime-db@~1.3.1
1.2.0 / 2014-12-19
==================
* deps: negotiator@0.5.0
- Fix list return order when large accepted list
- Fix missing identity encoding when q=0 exists
- Remove dynamic building of Negotiator class
1.1.4 / 2014-12-10
==================
* deps: mime-types@~2.0.4
- deps: mime-db@~1.3.0
1.1.3 / 2014-11-09
==================
* deps: mime-types@~2.0.3
- deps: mime-db@~1.2.0
1.1.2 / 2014-10-14
==================
* deps: negotiator@0.4.9
- Fix error when media type has invalid parameter
1.1.1 / 2014-09-28
==================
* deps: mime-types@~2.0.2
- deps: mime-db@~1.1.0
* deps: negotiator@0.4.8
- Fix all negotiations to be case-insensitive
- Stable sort preferences of same quality according to client order
1.1.0 / 2014-09-02
==================
* update `mime-types`
1.0.7 / 2014-07-04
==================
* Fix wrong type returned from `type` when match after unknown extension
1.0.6 / 2014-06-24
==================
* deps: negotiator@0.4.7
1.0.5 / 2014-06-20
==================
* fix crash when unknown extension given
1.0.4 / 2014-06-19
==================
* use `mime-types`
1.0.3 / 2014-06-11
==================
* deps: negotiator@0.4.6
- Order by specificity when quality is the same
1.0.2 / 2014-05-29
==================
* Fix interpretation when header not in request
* deps: pin negotiator@0.4.5
1.0.1 / 2014-01-18
==================
* Identity encoding isn't always acceptable
* deps: negotiator@~0.4.0
1.0.0 / 2013-12-27
==================
* Genesis

@ -0,0 +1,23 @@
(The MIT License)
Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

@ -0,0 +1,140 @@
# accepts
[![NPM Version][npm-version-image]][npm-url]
[![NPM Downloads][npm-downloads-image]][npm-url]
[![Node.js Version][node-version-image]][node-version-url]
[![Build Status][github-actions-ci-image]][github-actions-ci-url]
[![Test Coverage][coveralls-image]][coveralls-url]
Higher level content negotiation based on [negotiator](https://www.npmjs.com/package/negotiator).
Extracted from [koa](https://www.npmjs.com/package/koa) for general use.
In addition to negotiator, it allows:
- Allows types as an array or arguments list, ie `(['text/html', 'application/json'])`
as well as `('text/html', 'application/json')`.
- Allows type shorthands such as `json`.
- Returns `false` when no types match
- Treats non-existent headers as `*`
## Installation
This is a [Node.js](https://nodejs.org/en/) module available through the
[npm registry](https://www.npmjs.com/). Installation is done using the
[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
```sh
$ npm install accepts
```
## API
```js
var accepts = require('accepts')
```
### accepts(req)
Create a new `Accepts` object for the given `req`.
#### .charset(charsets)
Return the first accepted charset. If nothing in `charsets` is accepted,
then `false` is returned.
#### .charsets()
Return the charsets that the request accepts, in the order of the client's
preference (most preferred first).
#### .encoding(encodings)
Return the first accepted encoding. If nothing in `encodings` is accepted,
then `false` is returned.
#### .encodings()
Return the encodings that the request accepts, in the order of the client's
preference (most preferred first).
#### .language(languages)
Return the first accepted language. If nothing in `languages` is accepted,
then `false` is returned.
#### .languages()
Return the languages that the request accepts, in the order of the client's
preference (most preferred first).
#### .type(types)
Return the first accepted type (and it is returned as the same text as what
appears in the `types` array). If nothing in `types` is accepted, then `false`
is returned.
The `types` array can contain full MIME types or file extensions. Any value
that is not a full MIME types is passed to `require('mime-types').lookup`.
#### .types()
Return the types that the request accepts, in the order of the client's
preference (most preferred first).
## Examples
### Simple type negotiation
This simple example shows how to use `accepts` to return a different typed
respond body based on what the client wants to accept. The server lists it's
preferences in order and will get back the best match between the client and
server.
```js
var accepts = require('accepts')
var http = require('http')
function app (req, res) {
var accept = accepts(req)
// the order of this list is significant; should be server preferred order
switch (accept.type(['json', 'html'])) {
case 'json':
res.setHeader('Content-Type', 'application/json')
res.write('{"hello":"world!"}')
break
case 'html':
res.setHeader('Content-Type', 'text/html')
res.write('<b>hello, world!</b>')
break
default:
// the fallback is text/plain, so no need to specify it above
res.setHeader('Content-Type', 'text/plain')
res.write('hello, world!')
break
}
res.end()
}
http.createServer(app).listen(3000)
```
You can test this out with the cURL program:
```sh
curl -I -H'Accept: text/html' http://localhost:3000/
```
## License
[MIT](LICENSE)
[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/accepts/master
[coveralls-url]: https://coveralls.io/r/jshttp/accepts?branch=master
[github-actions-ci-image]: https://badgen.net/github/checks/jshttp/accepts/master?label=ci
[github-actions-ci-url]: https://github.com/jshttp/accepts/actions/workflows/ci.yml
[node-version-image]: https://badgen.net/npm/node/accepts
[node-version-url]: https://nodejs.org/en/download
[npm-downloads-image]: https://badgen.net/npm/dm/accepts
[npm-url]: https://npmjs.org/package/accepts
[npm-version-image]: https://badgen.net/npm/v/accepts

@ -0,0 +1,238 @@
/*!
* accepts
* Copyright(c) 2014 Jonathan Ong
* Copyright(c) 2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var Negotiator = require('negotiator')
var mime = require('mime-types')
/**
* Module exports.
* @public
*/
module.exports = Accepts
/**
* Create a new Accepts object for the given req.
*
* @param {object} req
* @public
*/
function Accepts (req) {
if (!(this instanceof Accepts)) {
return new Accepts(req)
}
this.headers = req.headers
this.negotiator = new Negotiator(req)
}
/**
* Check if the given `type(s)` is acceptable, returning
* the best match when true, otherwise `undefined`, in which
* case you should respond with 406 "Not Acceptable".
*
* The `type` value may be a single mime type string
* such as "application/json", the extension name
* such as "json" or an array `["json", "html", "text/plain"]`. When a list
* or array is given the _best_ match, if any is returned.
*
* Examples:
*
* // Accept: text/html
* this.types('html');
* // => "html"
*
* // Accept: text/*, application/json
* this.types('html');
* // => "html"
* this.types('text/html');
* // => "text/html"
* this.types('json', 'text');
* // => "json"
* this.types('application/json');
* // => "application/json"
*
* // Accept: text/*, application/json
* this.types('image/png');
* this.types('png');
* // => undefined
*
* // Accept: text/*;q=.5, application/json
* this.types(['html', 'json']);
* this.types('html', 'json');
* // => "json"
*
* @param {String|Array} types...
* @return {String|Array|Boolean}
* @public
*/
Accepts.prototype.type =
Accepts.prototype.types = function (types_) {
var types = types_
// support flattened arguments
if (types && !Array.isArray(types)) {
types = new Array(arguments.length)
for (var i = 0; i < types.length; i++) {
types[i] = arguments[i]
}
}
// no types, return all requested types
if (!types || types.length === 0) {
return this.negotiator.mediaTypes()
}
// no accept header, return first given type
if (!this.headers.accept) {
return types[0]
}
var mimes = types.map(extToMime)
var accepts = this.negotiator.mediaTypes(mimes.filter(validMime))
var first = accepts[0]
return first
? types[mimes.indexOf(first)]
: false
}
/**
* Return accepted encodings or best fit based on `encodings`.
*
* Given `Accept-Encoding: gzip, deflate`
* an array sorted by quality is returned:
*
* ['gzip', 'deflate']
*
* @param {String|Array} encodings...
* @return {String|Array}
* @public
*/
Accepts.prototype.encoding =
Accepts.prototype.encodings = function (encodings_) {
var encodings = encodings_
// support flattened arguments
if (encodings && !Array.isArray(encodings)) {
encodings = new Array(arguments.length)
for (var i = 0; i < encodings.length; i++) {
encodings[i] = arguments[i]
}
}
// no encodings, return all requested encodings
if (!encodings || encodings.length === 0) {
return this.negotiator.encodings()
}
return this.negotiator.encodings(encodings)[0] || false
}
/**
* Return accepted charsets or best fit based on `charsets`.
*
* Given `Accept-Charset: utf-8, iso-8859-1;q=0.2, utf-7;q=0.5`
* an array sorted by quality is returned:
*
* ['utf-8', 'utf-7', 'iso-8859-1']
*
* @param {String|Array} charsets...
* @return {String|Array}
* @public
*/
Accepts.prototype.charset =
Accepts.prototype.charsets = function (charsets_) {
var charsets = charsets_
// support flattened arguments
if (charsets && !Array.isArray(charsets)) {
charsets = new Array(arguments.length)
for (var i = 0; i < charsets.length; i++) {
charsets[i] = arguments[i]
}
}
// no charsets, return all requested charsets
if (!charsets || charsets.length === 0) {
return this.negotiator.charsets()
}
return this.negotiator.charsets(charsets)[0] || false
}
/**
* Return accepted languages or best fit based on `langs`.
*
* Given `Accept-Language: en;q=0.8, es, pt`
* an array sorted by quality is returned:
*
* ['es', 'pt', 'en']
*
* @param {String|Array} langs...
* @return {Array|String}
* @public
*/
Accepts.prototype.lang =
Accepts.prototype.langs =
Accepts.prototype.language =
Accepts.prototype.languages = function (languages_) {
var languages = languages_
// support flattened arguments
if (languages && !Array.isArray(languages)) {
languages = new Array(arguments.length)
for (var i = 0; i < languages.length; i++) {
languages[i] = arguments[i]
}
}
// no languages, return all requested languages
if (!languages || languages.length === 0) {
return this.negotiator.languages()
}
return this.negotiator.languages(languages)[0] || false
}
/**
* Convert extnames to mime.
*
* @param {String} type
* @return {String}
* @private
*/
function extToMime (type) {
return type.indexOf('/') === -1
? mime.lookup(type)
: type
}
/**
* Check if mime is valid.
*
* @param {String} type
* @return {String}
* @private
*/
function validMime (type) {
return typeof type === 'string'
}

@ -0,0 +1,47 @@
{
"name": "accepts",
"description": "Higher-level content negotiation",
"version": "1.3.8",
"contributors": [
"Douglas Christopher Wilson <doug@somethingdoug.com>",
"Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
],
"license": "MIT",
"repository": "jshttp/accepts",
"dependencies": {
"mime-types": "~2.1.34",
"negotiator": "0.6.3"
},
"devDependencies": {
"deep-equal": "1.0.1",
"eslint": "7.32.0",
"eslint-config-standard": "14.1.1",
"eslint-plugin-import": "2.25.4",
"eslint-plugin-markdown": "2.2.1",
"eslint-plugin-node": "11.1.0",
"eslint-plugin-promise": "4.3.1",
"eslint-plugin-standard": "4.1.0",
"mocha": "9.2.0",
"nyc": "15.1.0"
},
"files": [
"LICENSE",
"HISTORY.md",
"index.js"
],
"engines": {
"node": ">= 0.6"
},
"scripts": {
"lint": "eslint .",
"test": "mocha --reporter spec --check-leaks --bail test/",
"test-ci": "nyc --reporter=lcov --reporter=text npm test",
"test-cov": "nyc --reporter=html --reporter=text npm test"
},
"keywords": [
"content",
"negotiation",
"accept",
"accepts"
]
}

@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
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"Work" shall mean the work of authorship, whether in Source or
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You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
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for any such Derivative Works as a whole, provided Your use,
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the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "{}"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright (C) 2014-present SheetJS LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

@ -0,0 +1,140 @@
# adler32
Signed ADLER-32 algorithm implementation in JS (for the browser and nodejs).
Emphasis on correctness, performance, and IE6+ support.
## Installation
With [npm](https://www.npmjs.org/package/adler-32):
```bash
$ npm install adler-32
```
In the browser:
```html
<script src="adler32.js"></script>
```
The browser exposes a variable `ADLER32`.
When installed globally, npm installs a script `adler32` that computes the
checksum for a specified file or standard input.
The script will manipulate `module.exports` if available . This is not always
desirable. To prevent the behavior, define `DO_NOT_EXPORT_ADLER`.
## Usage
In all cases, the relevant function takes an argument representing data and an
optional second argument representing the starting "seed" (for running hash).
The return value is a signed 32-bit integer.
- `ADLER32.buf(byte array or buffer[, seed])` assumes the argument is a sequence
of 8-bit unsigned integers (nodejs `Buffer`, `Uint8Array` or array of bytes).
- `ADLER32.bstr(binary string[, seed])` assumes the argument is a binary string
where byte `i` is the low byte of the UCS-2 char: `str.charCodeAt(i) & 0xFF`
- `ADLER32.str(string)` assumes the argument is a standard JS string and
calculates the hash of the UTF-8 encoding.
For example:
```js
// var ADLER32 = require('adler-32'); // uncomment if in node
ADLER32.str("SheetJS") // 176947863
ADLER32.bstr("SheetJS") // 176947863
ADLER32.buf([ 83, 104, 101, 101, 116, 74, 83 ]) // 176947863
adler32 = ADLER32.buf([83, 104]) // 17825980 "Sh"
adler32 = ADLER32.str("eet", adler32) // 95486458 "Sheet"
ADLER32.bstr("JS", adler32) // 176947863 "SheetJS"
[ADLER32.str("\u2603"), ADLER32.str("\u0003")] // [ 73138686, 262148 ]
[ADLER32.bstr("\u2603"), ADLER32.bstr("\u0003")] // [ 262148, 262148 ]
[ADLER32.buf([0x2603]), ADLER32.buf([0x0003])] // [ 262148, 262148 ]
```
## Testing
`make test` will run the nodejs-based test.
To run the in-browser tests, run a local server and go to the `ctest` directory.
`make ctestserv` will start a python `SimpleHTTPServer` server on port 8000.
To update the browser artifacts, run `make ctest`.
To generate the bits file, use the `adler32` function from python `zlib`:
```python
>>> from zlib import adler32
>>> x="foo bar baz٪☃🍣"
>>> adler32(x)
1543572022
>>> adler32(x+x)
-2076896149
>>> adler32(x+x+x)
2023497376
```
The [`adler32-cli`](https://www.npmjs.com/package/adler32-cli) package includes
scripts for processing files or text on standard input:
```bash
$ echo "this is a test" > t.txt
$ adler32-cli t.txt
726861088
```
For comparison, the `adler32.py` script in the subdirectory uses python `zlib`:
```bash
$ packages/adler32-cli/bin/adler32.py t.txt
726861088
```
## Performance
`make perf` will run algorithmic performance tests (which should justify certain
decisions in the code).
Bit twiddling is much faster than taking the mod in Safari and Firefox browsers.
Instead of taking the literal mod 65521, it is faster to keep it in the integers
by bit-shifting: `65536 ~ 15 mod 65521` so for nonnegative integer `a`:
```
a = (a >>> 16) * 65536 + (a & 65535) [equality]
a ~ (a >>> 16) * 15 + (a & 65535) mod 65521
```
The mod is taken at the very end, since the intermediate result may exceed 65521
## Magic Number
The magic numbers were chosen so as to not overflow a 31-bit integer:
```mathematica
F[n_] := Reduce[x*(x + 1)*n/2 + (x + 1)*(65521) < (2^31 - 1) && x > 0, x, Integers]
F[255] (* bstr: x \[Element] Integers && 1 <= x <= 3854 *)
F[127] (* ascii: x \[Element] Integers && 1 <= x <= 5321 *)
```
Subtract up to 4 elements for the Unicode case.
## License
Please consult the attached LICENSE file for details. All rights not explicitly
granted by the Apache 2.0 license are reserved by the Original Author.
## Badges
[![Sauce Test Status](https://saucelabs.com/browser-matrix/adler32.svg)](https://saucelabs.com/u/adler32)
[![Build Status](https://img.shields.io/github/workflow/status/sheetjs/js-adler32/Tests:%20node.js)](https://github.com/SheetJS/js-adler32/actions)
[![Coverage Status](http://img.shields.io/coveralls/SheetJS/js-adler32/master.svg)](https://coveralls.io/r/SheetJS/js-adler32?branch=master)
[![Analytics](https://ga-beacon.appspot.com/UA-36810333-1/SheetJS/js-adler32?pixel)](https://github.com/SheetJS/js-adler32)

@ -0,0 +1,92 @@
/* adler32.js (C) 2014-present SheetJS -- http://sheetjs.com */
/* vim: set ts=2: */
/*exported ADLER32 */
var ADLER32;
(function (factory) {
/*jshint ignore:start */
/*eslint-disable */
if(typeof DO_NOT_EXPORT_ADLER === 'undefined') {
if('object' === typeof exports) {
factory(exports);
} else if ('function' === typeof define && define.amd) {
define(function () {
var module = {};
factory(module);
return module;
});
} else {
factory(ADLER32 = {});
}
} else {
factory(ADLER32 = {});
}
/*eslint-enable */
/*jshint ignore:end */
}(function(ADLER32) {
ADLER32.version = '1.3.1';
function adler32_bstr(bstr, seed) {
var a = 1, b = 0, L = bstr.length, M = 0;
if(typeof seed === 'number') { a = seed & 0xFFFF; b = seed >>> 16; }
for(var i = 0; i < L;) {
M = Math.min(L-i, 2654)+i;
for(;i<M;i++) {
a += bstr.charCodeAt(i)&0xFF;
b += a;
}
a = (15*(a>>>16)+(a&65535));
b = (15*(b>>>16)+(b&65535));
}
return ((b%65521) << 16) | (a%65521);
}
function adler32_buf(buf, seed) {
var a = 1, b = 0, L = buf.length, M = 0;
if(typeof seed === 'number') { a = seed & 0xFFFF; b = (seed >>> 16) & 0xFFFF; }
for(var i = 0; i < L;) {
M = Math.min(L-i, 2654)+i;
for(;i<M;i++) {
a += buf[i]&0xFF;
b += a;
}
a = (15*(a>>>16)+(a&65535));
b = (15*(b>>>16)+(b&65535));
}
return ((b%65521) << 16) | (a%65521);
}
function adler32_str(str, seed) {
var a = 1, b = 0, L = str.length, M = 0, c = 0, d = 0;
if(typeof seed === 'number') { a = seed & 0xFFFF; b = seed >>> 16; }
for(var i = 0; i < L;) {
M = Math.min(L-i, 2918);
while(M>0) {
c = str.charCodeAt(i++);
if(c < 0x80) { a += c; }
else if(c < 0x800) {
a += 192|((c>>6)&31); b += a; --M;
a += 128|(c&63);
} else if(c >= 0xD800 && c < 0xE000) {
c = (c&1023)+64; d = str.charCodeAt(i++) & 1023;
a += 240|((c>>8)&7); b += a; --M;
a += 128|((c>>2)&63); b += a; --M;
a += 128|((d>>6)&15)|((c&3)<<4); b += a; --M;
a += 128|(d&63);
} else {
a += 224|((c>>12)&15); b += a; --M;
a += 128|((c>>6)&63); b += a; --M;
a += 128|(c&63);
}
b += a; --M;
}
a = (15*(a>>>16)+(a&65535));
b = (15*(b>>>16)+(b&65535));
}
return ((b%65521) << 16) | (a%65521);
}
// $FlowIgnore
ADLER32.bstr = adler32_bstr;
// $FlowIgnore
ADLER32.buf = adler32_buf;
// $FlowIgnore
ADLER32.str = adler32_str;
}));

@ -0,0 +1,35 @@
{
"name": "adler-32",
"version": "1.3.1",
"author": "sheetjs",
"description": "Pure-JS ADLER-32",
"keywords": [ "adler32", "checksum" ],
"main": "./adler32",
"types": "types/index.d.ts",
"devDependencies": {
"mocha": "~2.5.3",
"blanket": "~1.2.3",
"codepage": "~1.10.0",
"@sheetjs/uglify-js": "~2.7.3",
"@types/node": "^8.0.7",
"dtslint": "^0.1.2",
"typescript": "2.2.0"
},
"repository": { "type": "git", "url": "git://github.com/SheetJS/js-adler32.git" },
"scripts": {
"test": "make test",
"build": "make",
"lint": "make fullint",
"dtslint": "dtslint types"
},
"config": {
"blanket": {
"pattern": "adler32.js"
}
},
"homepage": "http://sheetjs.com/opensource",
"files": ["adler32.js", "LICENSE", "README.md", "types/index.d.ts", "types/*.json"],
"bugs": { "url": "https://github.com/SheetJS/js-adler32/issues" },
"license": "Apache-2.0",
"engines": { "node": ">=0.8" }
}

@ -0,0 +1,14 @@
/* adler32.js (C) 2014-present SheetJS -- http://sheetjs.com */
// TypeScript Version: 2.2
/** Version string */
export const version: string;
/** Process a node buffer or byte array */
export function buf(data: number[] | Uint8Array, seed?: number): number;
/** Process a binary string */
export function bstr(data: string, seed?: number): number;
/** Process a JS string based on the UTF8 encoding */
export function str(data: string, seed?: number): number;

@ -0,0 +1,15 @@
{
"compilerOptions": {
"module": "commonjs",
"lib": [ "es5" ],
"noImplicitAny": true,
"noImplicitThis": true,
"strictNullChecks": false,
"baseUrl": ".",
"paths": { "adler-32": ["."] },
"types": [],
"noEmit": true,
"strictFunctionTypes": true,
"forceConsistentCasingInFileNames": true
}
}

@ -0,0 +1,14 @@
{
"extends": "dtslint/dtslint.json",
"rules": {
"no-implicit-dependencies": false,
"whitespace": false,
"no-sparse-arrays": false,
"only-arrow-functions": false,
"no-consecutive-blank-lines": false,
"prefer-conditional-expression": false,
"one-variable-per-declaration": false,
"strict-export-declare-modifiers": false,
"prefer-template": false
}
}

@ -0,0 +1 @@
node_modules/

@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2015 Linus Unnebäck
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

@ -0,0 +1,44 @@
# `append-field`
A [W3C HTML JSON forms spec](http://www.w3.org/TR/html-json-forms/) compliant
field appender (for lack of a better name). Useful for people implementing
`application/x-www-form-urlencoded` and `multipart/form-data` parsers.
It works best on objects created with `Object.create(null)`. Otherwise it might
conflict with variables from the prototype (e.g. `hasOwnProperty`).
## Installation
```sh
npm install --save append-field
```
## Usage
```javascript
var appendField = require('append-field')
var obj = Object.create(null)
appendField(obj, 'pets[0][species]', 'Dahut')
appendField(obj, 'pets[0][name]', 'Hypatia')
appendField(obj, 'pets[1][species]', 'Felis Stultus')
appendField(obj, 'pets[1][name]', 'Billie')
console.log(obj)
```
```text
{ pets:
[ { species: 'Dahut', name: 'Hypatia' },
{ species: 'Felis Stultus', name: 'Billie' } ] }
```
## API
### `appendField(store, key, value)`
Adds the field named `key` with the value `value` to the object `store`.
## License
MIT

@ -0,0 +1,12 @@
var parsePath = require('./lib/parse-path')
var setValue = require('./lib/set-value')
function appendField (store, key, value) {
var steps = parsePath(key)
steps.reduce(function (context, step) {
return setValue(context, step, context[step.key], value)
}, store)
}
module.exports = appendField

@ -0,0 +1,53 @@
var reFirstKey = /^[^\[]*/
var reDigitPath = /^\[(\d+)\]/
var reNormalPath = /^\[([^\]]+)\]/
function parsePath (key) {
function failure () {
return [{ type: 'object', key: key, last: true }]
}
var firstKey = reFirstKey.exec(key)[0]
if (!firstKey) return failure()
var len = key.length
var pos = firstKey.length
var tail = { type: 'object', key: firstKey }
var steps = [tail]
while (pos < len) {
var m
if (key[pos] === '[' && key[pos + 1] === ']') {
pos += 2
tail.append = true
if (pos !== len) return failure()
continue
}
m = reDigitPath.exec(key.substring(pos))
if (m !== null) {
pos += m[0].length
tail.nextType = 'array'
tail = { type: 'array', key: parseInt(m[1], 10) }
steps.push(tail)
continue
}
m = reNormalPath.exec(key.substring(pos))
if (m !== null) {
pos += m[0].length
tail.nextType = 'object'
tail = { type: 'object', key: m[1] }
steps.push(tail)
continue
}
return failure()
}
tail.last = true
return steps
}
module.exports = parsePath

@ -0,0 +1,64 @@
function valueType (value) {
if (value === undefined) return 'undefined'
if (Array.isArray(value)) return 'array'
if (typeof value === 'object') return 'object'
return 'scalar'
}
function setLastValue (context, step, currentValue, entryValue) {
switch (valueType(currentValue)) {
case 'undefined':
if (step.append) {
context[step.key] = [entryValue]
} else {
context[step.key] = entryValue
}
break
case 'array':
context[step.key].push(entryValue)
break
case 'object':
return setLastValue(currentValue, { type: 'object', key: '', last: true }, currentValue[''], entryValue)
case 'scalar':
context[step.key] = [context[step.key], entryValue]
break
}
return context
}
function setValue (context, step, currentValue, entryValue) {
if (step.last) return setLastValue(context, step, currentValue, entryValue)
var obj
switch (valueType(currentValue)) {
case 'undefined':
if (step.nextType === 'array') {
context[step.key] = []
} else {
context[step.key] = Object.create(null)
}
return context[step.key]
case 'object':
return context[step.key]
case 'array':
if (step.nextType === 'array') {
return currentValue
}
obj = Object.create(null)
context[step.key] = obj
currentValue.forEach(function (item, i) {
if (item !== undefined) obj['' + i] = item
})
return obj
case 'scalar':
obj = Object.create(null)
obj[''] = currentValue
context[step.key] = obj
return obj
}
}
module.exports = setValue

@ -0,0 +1,19 @@
{
"name": "append-field",
"version": "1.0.0",
"license": "MIT",
"author": "Linus Unnebäck <linus@folkdatorn.se>",
"main": "index.js",
"devDependencies": {
"mocha": "^2.2.4",
"standard": "^6.0.5",
"testdata-w3c-json-form": "^0.2.0"
},
"scripts": {
"test": "standard && mocha"
},
"repository": {
"type": "git",
"url": "http://github.com/LinusU/node-append-field.git"
}
}

@ -0,0 +1,19 @@
/* eslint-env mocha */
var assert = require('assert')
var appendField = require('../')
var testData = require('testdata-w3c-json-form')
describe('Append Field', function () {
for (var test of testData) {
it('handles ' + test.name, function () {
var store = Object.create(null)
for (var field of test.fields) {
appendField(store, field.key, field.value)
}
assert.deepEqual(store, test.expected)
})
}
})

@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2014 Blake Embrey (hello@blakeembrey.com)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

@ -0,0 +1,43 @@
# Array Flatten
[![NPM version][npm-image]][npm-url]
[![NPM downloads][downloads-image]][downloads-url]
[![Build status][travis-image]][travis-url]
[![Test coverage][coveralls-image]][coveralls-url]
> Flatten an array of nested arrays into a single flat array. Accepts an optional depth.
## Installation
```
npm install array-flatten --save
```
## Usage
```javascript
var flatten = require('array-flatten')
flatten([1, [2, [3, [4, [5], 6], 7], 8], 9])
//=> [1, 2, 3, 4, 5, 6, 7, 8, 9]
flatten([1, [2, [3, [4, [5], 6], 7], 8], 9], 2)
//=> [1, 2, 3, [4, [5], 6], 7, 8, 9]
(function () {
flatten(arguments) //=> [1, 2, 3]
})(1, [2, 3])
```
## License
MIT
[npm-image]: https://img.shields.io/npm/v/array-flatten.svg?style=flat
[npm-url]: https://npmjs.org/package/array-flatten
[downloads-image]: https://img.shields.io/npm/dm/array-flatten.svg?style=flat
[downloads-url]: https://npmjs.org/package/array-flatten
[travis-image]: https://img.shields.io/travis/blakeembrey/array-flatten.svg?style=flat
[travis-url]: https://travis-ci.org/blakeembrey/array-flatten
[coveralls-image]: https://img.shields.io/coveralls/blakeembrey/array-flatten.svg?style=flat
[coveralls-url]: https://coveralls.io/r/blakeembrey/array-flatten?branch=master

@ -0,0 +1,64 @@
'use strict'
/**
* Expose `arrayFlatten`.
*/
module.exports = arrayFlatten
/**
* Recursive flatten function with depth.
*
* @param {Array} array
* @param {Array} result
* @param {Number} depth
* @return {Array}
*/
function flattenWithDepth (array, result, depth) {
for (var i = 0; i < array.length; i++) {
var value = array[i]
if (depth > 0 && Array.isArray(value)) {
flattenWithDepth(value, result, depth - 1)
} else {
result.push(value)
}
}
return result
}
/**
* Recursive flatten function. Omitting depth is slightly faster.
*
* @param {Array} array
* @param {Array} result
* @return {Array}
*/
function flattenForever (array, result) {
for (var i = 0; i < array.length; i++) {
var value = array[i]
if (Array.isArray(value)) {
flattenForever(value, result)
} else {
result.push(value)
}
}
return result
}
/**
* Flatten an array, with the ability to define a depth.
*
* @param {Array} array
* @param {Number} depth
* @return {Array}
*/
function arrayFlatten (array, depth) {
if (depth == null) {
return flattenForever(array, [])
}
return flattenWithDepth(array, [], depth)
}

@ -0,0 +1,39 @@
{
"name": "array-flatten",
"version": "1.1.1",
"description": "Flatten an array of nested arrays into a single flat array",
"main": "array-flatten.js",
"files": [
"array-flatten.js",
"LICENSE"
],
"scripts": {
"test": "istanbul cover _mocha -- -R spec"
},
"repository": {
"type": "git",
"url": "git://github.com/blakeembrey/array-flatten.git"
},
"keywords": [
"array",
"flatten",
"arguments",
"depth"
],
"author": {
"name": "Blake Embrey",
"email": "hello@blakeembrey.com",
"url": "http://blakeembrey.me"
},
"license": "MIT",
"bugs": {
"url": "https://github.com/blakeembrey/array-flatten/issues"
},
"homepage": "https://github.com/blakeembrey/array-flatten",
"devDependencies": {
"istanbul": "^0.3.13",
"mocha": "^2.2.4",
"pre-commit": "^1.0.7",
"standard": "^3.7.3"
}
}

@ -0,0 +1,672 @@
1.20.3 / 2024-09-10
===================
* deps: qs@6.13.0
* add `depth` option to customize the depth level in the parser
* IMPORTANT: The default `depth` level for parsing URL-encoded data is now `32` (previously was `Infinity`)
1.20.2 / 2023-02-21
===================
* Fix strict json error message on Node.js 19+
* deps: content-type@~1.0.5
- perf: skip value escaping when unnecessary
* deps: raw-body@2.5.2
1.20.1 / 2022-10-06
===================
* deps: qs@6.11.0
* perf: remove unnecessary object clone
1.20.0 / 2022-04-02
===================
* Fix error message for json parse whitespace in `strict`
* Fix internal error when inflated body exceeds limit
* Prevent loss of async hooks context
* Prevent hanging when request already read
* deps: depd@2.0.0
- Replace internal `eval` usage with `Function` constructor
- Use instance methods on `process` to check for listeners
* deps: http-errors@2.0.0
- deps: depd@2.0.0
- deps: statuses@2.0.1
* deps: on-finished@2.4.1
* deps: qs@6.10.3
* deps: raw-body@2.5.1
- deps: http-errors@2.0.0
1.19.2 / 2022-02-15
===================
* deps: bytes@3.1.2
* deps: qs@6.9.7
* Fix handling of `__proto__` keys
* deps: raw-body@2.4.3
- deps: bytes@3.1.2
1.19.1 / 2021-12-10
===================
* deps: bytes@3.1.1
* deps: http-errors@1.8.1
- deps: inherits@2.0.4
- deps: toidentifier@1.0.1
- deps: setprototypeof@1.2.0
* deps: qs@6.9.6
* deps: raw-body@2.4.2
- deps: bytes@3.1.1
- deps: http-errors@1.8.1
* deps: safe-buffer@5.2.1
* deps: type-is@~1.6.18
1.19.0 / 2019-04-25
===================
* deps: bytes@3.1.0
- Add petabyte (`pb`) support
* deps: http-errors@1.7.2
- Set constructor name when possible
- deps: setprototypeof@1.1.1
- deps: statuses@'>= 1.5.0 < 2'
* deps: iconv-lite@0.4.24
- Added encoding MIK
* deps: qs@6.7.0
- Fix parsing array brackets after index
* deps: raw-body@2.4.0
- deps: bytes@3.1.0
- deps: http-errors@1.7.2
- deps: iconv-lite@0.4.24
* deps: type-is@~1.6.17
- deps: mime-types@~2.1.24
- perf: prevent internal `throw` on invalid type
1.18.3 / 2018-05-14
===================
* Fix stack trace for strict json parse error
* deps: depd@~1.1.2
- perf: remove argument reassignment
* deps: http-errors@~1.6.3
- deps: depd@~1.1.2
- deps: setprototypeof@1.1.0
- deps: statuses@'>= 1.3.1 < 2'
* deps: iconv-lite@0.4.23
- Fix loading encoding with year appended
- Fix deprecation warnings on Node.js 10+
* deps: qs@6.5.2
* deps: raw-body@2.3.3
- deps: http-errors@1.6.3
- deps: iconv-lite@0.4.23
* deps: type-is@~1.6.16
- deps: mime-types@~2.1.18
1.18.2 / 2017-09-22
===================
* deps: debug@2.6.9
* perf: remove argument reassignment
1.18.1 / 2017-09-12
===================
* deps: content-type@~1.0.4
- perf: remove argument reassignment
- perf: skip parameter parsing when no parameters
* deps: iconv-lite@0.4.19
- Fix ISO-8859-1 regression
- Update Windows-1255
* deps: qs@6.5.1
- Fix parsing & compacting very deep objects
* deps: raw-body@2.3.2
- deps: iconv-lite@0.4.19
1.18.0 / 2017-09-08
===================
* Fix JSON strict violation error to match native parse error
* Include the `body` property on verify errors
* Include the `type` property on all generated errors
* Use `http-errors` to set status code on errors
* deps: bytes@3.0.0
* deps: debug@2.6.8
* deps: depd@~1.1.1
- Remove unnecessary `Buffer` loading
* deps: http-errors@~1.6.2
- deps: depd@1.1.1
* deps: iconv-lite@0.4.18
- Add support for React Native
- Add a warning if not loaded as utf-8
- Fix CESU-8 decoding in Node.js 8
- Improve speed of ISO-8859-1 encoding
* deps: qs@6.5.0
* deps: raw-body@2.3.1
- Use `http-errors` for standard emitted errors
- deps: bytes@3.0.0
- deps: iconv-lite@0.4.18
- perf: skip buffer decoding on overage chunk
* perf: prevent internal `throw` when missing charset
1.17.2 / 2017-05-17
===================
* deps: debug@2.6.7
- Fix `DEBUG_MAX_ARRAY_LENGTH`
- deps: ms@2.0.0
* deps: type-is@~1.6.15
- deps: mime-types@~2.1.15
1.17.1 / 2017-03-06
===================
* deps: qs@6.4.0
- Fix regression parsing keys starting with `[`
1.17.0 / 2017-03-01
===================
* deps: http-errors@~1.6.1
- Make `message` property enumerable for `HttpError`s
- deps: setprototypeof@1.0.3
* deps: qs@6.3.1
- Fix compacting nested arrays
1.16.1 / 2017-02-10
===================
* deps: debug@2.6.1
- Fix deprecation messages in WebStorm and other editors
- Undeprecate `DEBUG_FD` set to `1` or `2`
1.16.0 / 2017-01-17
===================
* deps: debug@2.6.0
- Allow colors in workers
- Deprecated `DEBUG_FD` environment variable
- Fix error when running under React Native
- Use same color for same namespace
- deps: ms@0.7.2
* deps: http-errors@~1.5.1
- deps: inherits@2.0.3
- deps: setprototypeof@1.0.2
- deps: statuses@'>= 1.3.1 < 2'
* deps: iconv-lite@0.4.15
- Added encoding MS-31J
- Added encoding MS-932
- Added encoding MS-936
- Added encoding MS-949
- Added encoding MS-950
- Fix GBK/GB18030 handling of Euro character
* deps: qs@6.2.1
- Fix array parsing from skipping empty values
* deps: raw-body@~2.2.0
- deps: iconv-lite@0.4.15
* deps: type-is@~1.6.14
- deps: mime-types@~2.1.13
1.15.2 / 2016-06-19
===================
* deps: bytes@2.4.0
* deps: content-type@~1.0.2
- perf: enable strict mode
* deps: http-errors@~1.5.0
- Use `setprototypeof` module to replace `__proto__` setting
- deps: statuses@'>= 1.3.0 < 2'
- perf: enable strict mode
* deps: qs@6.2.0
* deps: raw-body@~2.1.7
- deps: bytes@2.4.0
- perf: remove double-cleanup on happy path
* deps: type-is@~1.6.13
- deps: mime-types@~2.1.11
1.15.1 / 2016-05-05
===================
* deps: bytes@2.3.0
- Drop partial bytes on all parsed units
- Fix parsing byte string that looks like hex
* deps: raw-body@~2.1.6
- deps: bytes@2.3.0
* deps: type-is@~1.6.12
- deps: mime-types@~2.1.10
1.15.0 / 2016-02-10
===================
* deps: http-errors@~1.4.0
- Add `HttpError` export, for `err instanceof createError.HttpError`
- deps: inherits@2.0.1
- deps: statuses@'>= 1.2.1 < 2'
* deps: qs@6.1.0
* deps: type-is@~1.6.11
- deps: mime-types@~2.1.9
1.14.2 / 2015-12-16
===================
* deps: bytes@2.2.0
* deps: iconv-lite@0.4.13
* deps: qs@5.2.0
* deps: raw-body@~2.1.5
- deps: bytes@2.2.0
- deps: iconv-lite@0.4.13
* deps: type-is@~1.6.10
- deps: mime-types@~2.1.8
1.14.1 / 2015-09-27
===================
* Fix issue where invalid charset results in 400 when `verify` used
* deps: iconv-lite@0.4.12
- Fix CESU-8 decoding in Node.js 4.x
* deps: raw-body@~2.1.4
- Fix masking critical errors from `iconv-lite`
- deps: iconv-lite@0.4.12
* deps: type-is@~1.6.9
- deps: mime-types@~2.1.7
1.14.0 / 2015-09-16
===================
* Fix JSON strict parse error to match syntax errors
* Provide static `require` analysis in `urlencoded` parser
* deps: depd@~1.1.0
- Support web browser loading
* deps: qs@5.1.0
* deps: raw-body@~2.1.3
- Fix sync callback when attaching data listener causes sync read
* deps: type-is@~1.6.8
- Fix type error when given invalid type to match against
- deps: mime-types@~2.1.6
1.13.3 / 2015-07-31
===================
* deps: type-is@~1.6.6
- deps: mime-types@~2.1.4
1.13.2 / 2015-07-05
===================
* deps: iconv-lite@0.4.11
* deps: qs@4.0.0
- Fix dropping parameters like `hasOwnProperty`
- Fix user-visible incompatibilities from 3.1.0
- Fix various parsing edge cases
* deps: raw-body@~2.1.2
- Fix error stack traces to skip `makeError`
- deps: iconv-lite@0.4.11
* deps: type-is@~1.6.4
- deps: mime-types@~2.1.2
- perf: enable strict mode
- perf: remove argument reassignment
1.13.1 / 2015-06-16
===================
* deps: qs@2.4.2
- Downgraded from 3.1.0 because of user-visible incompatibilities
1.13.0 / 2015-06-14
===================
* Add `statusCode` property on `Error`s, in addition to `status`
* Change `type` default to `application/json` for JSON parser
* Change `type` default to `application/x-www-form-urlencoded` for urlencoded parser
* Provide static `require` analysis
* Use the `http-errors` module to generate errors
* deps: bytes@2.1.0
- Slight optimizations
* deps: iconv-lite@0.4.10
- The encoding UTF-16 without BOM now defaults to UTF-16LE when detection fails
- Leading BOM is now removed when decoding
* deps: on-finished@~2.3.0
- Add defined behavior for HTTP `CONNECT` requests
- Add defined behavior for HTTP `Upgrade` requests
- deps: ee-first@1.1.1
* deps: qs@3.1.0
- Fix dropping parameters like `hasOwnProperty`
- Fix various parsing edge cases
- Parsed object now has `null` prototype
* deps: raw-body@~2.1.1
- Use `unpipe` module for unpiping requests
- deps: iconv-lite@0.4.10
* deps: type-is@~1.6.3
- deps: mime-types@~2.1.1
- perf: reduce try block size
- perf: remove bitwise operations
* perf: enable strict mode
* perf: remove argument reassignment
* perf: remove delete call
1.12.4 / 2015-05-10
===================
* deps: debug@~2.2.0
* deps: qs@2.4.2
- Fix allowing parameters like `constructor`
* deps: on-finished@~2.2.1
* deps: raw-body@~2.0.1
- Fix a false-positive when unpiping in Node.js 0.8
- deps: bytes@2.0.1
* deps: type-is@~1.6.2
- deps: mime-types@~2.0.11
1.12.3 / 2015-04-15
===================
* Slight efficiency improvement when not debugging
* deps: depd@~1.0.1
* deps: iconv-lite@0.4.8
- Add encoding alias UNICODE-1-1-UTF-7
* deps: raw-body@1.3.4
- Fix hanging callback if request aborts during read
- deps: iconv-lite@0.4.8
1.12.2 / 2015-03-16
===================
* deps: qs@2.4.1
- Fix error when parameter `hasOwnProperty` is present
1.12.1 / 2015-03-15
===================
* deps: debug@~2.1.3
- Fix high intensity foreground color for bold
- deps: ms@0.7.0
* deps: type-is@~1.6.1
- deps: mime-types@~2.0.10
1.12.0 / 2015-02-13
===================
* add `debug` messages
* accept a function for the `type` option
* use `content-type` to parse `Content-Type` headers
* deps: iconv-lite@0.4.7
- Gracefully support enumerables on `Object.prototype`
* deps: raw-body@1.3.3
- deps: iconv-lite@0.4.7
* deps: type-is@~1.6.0
- fix argument reassignment
- fix false-positives in `hasBody` `Transfer-Encoding` check
- support wildcard for both type and subtype (`*/*`)
- deps: mime-types@~2.0.9
1.11.0 / 2015-01-30
===================
* make internal `extended: true` depth limit infinity
* deps: type-is@~1.5.6
- deps: mime-types@~2.0.8
1.10.2 / 2015-01-20
===================
* deps: iconv-lite@0.4.6
- Fix rare aliases of single-byte encodings
* deps: raw-body@1.3.2
- deps: iconv-lite@0.4.6
1.10.1 / 2015-01-01
===================
* deps: on-finished@~2.2.0
* deps: type-is@~1.5.5
- deps: mime-types@~2.0.7
1.10.0 / 2014-12-02
===================
* make internal `extended: true` array limit dynamic
1.9.3 / 2014-11-21
==================
* deps: iconv-lite@0.4.5
- Fix Windows-31J and X-SJIS encoding support
* deps: qs@2.3.3
- Fix `arrayLimit` behavior
* deps: raw-body@1.3.1
- deps: iconv-lite@0.4.5
* deps: type-is@~1.5.3
- deps: mime-types@~2.0.3
1.9.2 / 2014-10-27
==================
* deps: qs@2.3.2
- Fix parsing of mixed objects and values
1.9.1 / 2014-10-22
==================
* deps: on-finished@~2.1.1
- Fix handling of pipelined requests
* deps: qs@2.3.0
- Fix parsing of mixed implicit and explicit arrays
* deps: type-is@~1.5.2
- deps: mime-types@~2.0.2
1.9.0 / 2014-09-24
==================
* include the charset in "unsupported charset" error message
* include the encoding in "unsupported content encoding" error message
* deps: depd@~1.0.0
1.8.4 / 2014-09-23
==================
* fix content encoding to be case-insensitive
1.8.3 / 2014-09-19
==================
* deps: qs@2.2.4
- Fix issue with object keys starting with numbers truncated
1.8.2 / 2014-09-15
==================
* deps: depd@0.4.5
1.8.1 / 2014-09-07
==================
* deps: media-typer@0.3.0
* deps: type-is@~1.5.1
1.8.0 / 2014-09-05
==================
* make empty-body-handling consistent between chunked requests
- empty `json` produces `{}`
- empty `raw` produces `new Buffer(0)`
- empty `text` produces `''`
- empty `urlencoded` produces `{}`
* deps: qs@2.2.3
- Fix issue where first empty value in array is discarded
* deps: type-is@~1.5.0
- fix `hasbody` to be true for `content-length: 0`
1.7.0 / 2014-09-01
==================
* add `parameterLimit` option to `urlencoded` parser
* change `urlencoded` extended array limit to 100
* respond with 413 when over `parameterLimit` in `urlencoded`
1.6.7 / 2014-08-29
==================
* deps: qs@2.2.2
- Remove unnecessary cloning
1.6.6 / 2014-08-27
==================
* deps: qs@2.2.0
- Array parsing fix
- Performance improvements
1.6.5 / 2014-08-16
==================
* deps: on-finished@2.1.0
1.6.4 / 2014-08-14
==================
* deps: qs@1.2.2
1.6.3 / 2014-08-10
==================
* deps: qs@1.2.1
1.6.2 / 2014-08-07
==================
* deps: qs@1.2.0
- Fix parsing array of objects
1.6.1 / 2014-08-06
==================
* deps: qs@1.1.0
- Accept urlencoded square brackets
- Accept empty values in implicit array notation
1.6.0 / 2014-08-05
==================
* deps: qs@1.0.2
- Complete rewrite
- Limits array length to 20
- Limits object depth to 5
- Limits parameters to 1,000
1.5.2 / 2014-07-27
==================
* deps: depd@0.4.4
- Work-around v8 generating empty stack traces
1.5.1 / 2014-07-26
==================
* deps: depd@0.4.3
- Fix exception when global `Error.stackTraceLimit` is too low
1.5.0 / 2014-07-20
==================
* deps: depd@0.4.2
- Add `TRACE_DEPRECATION` environment variable
- Remove non-standard grey color from color output
- Support `--no-deprecation` argument
- Support `--trace-deprecation` argument
* deps: iconv-lite@0.4.4
- Added encoding UTF-7
* deps: raw-body@1.3.0
- deps: iconv-lite@0.4.4
- Added encoding UTF-7
- Fix `Cannot switch to old mode now` error on Node.js 0.10+
* deps: type-is@~1.3.2
1.4.3 / 2014-06-19
==================
* deps: type-is@1.3.1
- fix global variable leak
1.4.2 / 2014-06-19
==================
* deps: type-is@1.3.0
- improve type parsing
1.4.1 / 2014-06-19
==================
* fix urlencoded extended deprecation message
1.4.0 / 2014-06-19
==================
* add `text` parser
* add `raw` parser
* check accepted charset in content-type (accepts utf-8)
* check accepted encoding in content-encoding (accepts identity)
* deprecate `bodyParser()` middleware; use `.json()` and `.urlencoded()` as needed
* deprecate `urlencoded()` without provided `extended` option
* lazy-load urlencoded parsers
* parsers split into files for reduced mem usage
* support gzip and deflate bodies
- set `inflate: false` to turn off
* deps: raw-body@1.2.2
- Support all encodings from `iconv-lite`
1.3.1 / 2014-06-11
==================
* deps: type-is@1.2.1
- Switch dependency from mime to mime-types@1.0.0
1.3.0 / 2014-05-31
==================
* add `extended` option to urlencoded parser
1.2.2 / 2014-05-27
==================
* deps: raw-body@1.1.6
- assert stream encoding on node.js 0.8
- assert stream encoding on node.js < 0.10.6
- deps: bytes@1
1.2.1 / 2014-05-26
==================
* invoke `next(err)` after request fully read
- prevents hung responses and socket hang ups
1.2.0 / 2014-05-11
==================
* add `verify` option
* deps: type-is@1.2.0
- support suffix matching
1.1.2 / 2014-05-11
==================
* improve json parser speed
1.1.1 / 2014-05-11
==================
* fix repeated limit parsing with every request
1.1.0 / 2014-05-10
==================
* add `type` option
* deps: pin for safety and consistency
1.0.2 / 2014-04-14
==================
* use `type-is` module
1.0.1 / 2014-03-20
==================
* lower default limits to 100kb

@ -0,0 +1,23 @@
(The MIT License)
Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
Copyright (c) 2014-2015 Douglas Christopher Wilson <doug@somethingdoug.com>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

@ -0,0 +1,476 @@
# body-parser
[![NPM Version][npm-version-image]][npm-url]
[![NPM Downloads][npm-downloads-image]][npm-url]
[![Build Status][ci-image]][ci-url]
[![Test Coverage][coveralls-image]][coveralls-url]
[![OpenSSF Scorecard Badge][ossf-scorecard-badge]][ossf-scorecard-visualizer]
Node.js body parsing middleware.
Parse incoming request bodies in a middleware before your handlers, available
under the `req.body` property.
**Note** As `req.body`'s shape is based on user-controlled input, all
properties and values in this object are untrusted and should be validated
before trusting. For example, `req.body.foo.toString()` may fail in multiple
ways, for example the `foo` property may not be there or may not be a string,
and `toString` may not be a function and instead a string or other user input.
[Learn about the anatomy of an HTTP transaction in Node.js](https://nodejs.org/en/docs/guides/anatomy-of-an-http-transaction/).
_This does not handle multipart bodies_, due to their complex and typically
large nature. For multipart bodies, you may be interested in the following
modules:
* [busboy](https://www.npmjs.org/package/busboy#readme) and
[connect-busboy](https://www.npmjs.org/package/connect-busboy#readme)
* [multiparty](https://www.npmjs.org/package/multiparty#readme) and
[connect-multiparty](https://www.npmjs.org/package/connect-multiparty#readme)
* [formidable](https://www.npmjs.org/package/formidable#readme)
* [multer](https://www.npmjs.org/package/multer#readme)
This module provides the following parsers:
* [JSON body parser](#bodyparserjsonoptions)
* [Raw body parser](#bodyparserrawoptions)
* [Text body parser](#bodyparsertextoptions)
* [URL-encoded form body parser](#bodyparserurlencodedoptions)
Other body parsers you might be interested in:
- [body](https://www.npmjs.org/package/body#readme)
- [co-body](https://www.npmjs.org/package/co-body#readme)
## Installation
```sh
$ npm install body-parser
```
## API
```js
var bodyParser = require('body-parser')
```
The `bodyParser` object exposes various factories to create middlewares. All
middlewares will populate the `req.body` property with the parsed body when
the `Content-Type` request header matches the `type` option, or an empty
object (`{}`) if there was no body to parse, the `Content-Type` was not matched,
or an error occurred.
The various errors returned by this module are described in the
[errors section](#errors).
### bodyParser.json([options])
Returns middleware that only parses `json` and only looks at requests where
the `Content-Type` header matches the `type` option. This parser accepts any
Unicode encoding of the body and supports automatic inflation of `gzip` and
`deflate` encodings.
A new `body` object containing the parsed data is populated on the `request`
object after the middleware (i.e. `req.body`).
#### Options
The `json` function takes an optional `options` object that may contain any of
the following keys:
##### inflate
When set to `true`, then deflated (compressed) bodies will be inflated; when
`false`, deflated bodies are rejected. Defaults to `true`.
##### limit
Controls the maximum request body size. If this is a number, then the value
specifies the number of bytes; if it is a string, the value is passed to the
[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
to `'100kb'`.
##### reviver
The `reviver` option is passed directly to `JSON.parse` as the second
argument. You can find more information on this argument
[in the MDN documentation about JSON.parse](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse#Example.3A_Using_the_reviver_parameter).
##### strict
When set to `true`, will only accept arrays and objects; when `false` will
accept anything `JSON.parse` accepts. Defaults to `true`.
##### type
The `type` option is used to determine what media type the middleware will
parse. This option can be a string, array of strings, or a function. If not a
function, `type` option is passed directly to the
[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
be an extension name (like `json`), a mime type (like `application/json`), or
a mime type with a wildcard (like `*/*` or `*/json`). If a function, the `type`
option is called as `fn(req)` and the request is parsed if it returns a truthy
value. Defaults to `application/json`.
##### verify
The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
where `buf` is a `Buffer` of the raw request body and `encoding` is the
encoding of the request. The parsing can be aborted by throwing an error.
### bodyParser.raw([options])
Returns middleware that parses all bodies as a `Buffer` and only looks at
requests where the `Content-Type` header matches the `type` option. This
parser supports automatic inflation of `gzip` and `deflate` encodings.
A new `body` object containing the parsed data is populated on the `request`
object after the middleware (i.e. `req.body`). This will be a `Buffer` object
of the body.
#### Options
The `raw` function takes an optional `options` object that may contain any of
the following keys:
##### inflate
When set to `true`, then deflated (compressed) bodies will be inflated; when
`false`, deflated bodies are rejected. Defaults to `true`.
##### limit
Controls the maximum request body size. If this is a number, then the value
specifies the number of bytes; if it is a string, the value is passed to the
[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
to `'100kb'`.
##### type
The `type` option is used to determine what media type the middleware will
parse. This option can be a string, array of strings, or a function.
If not a function, `type` option is passed directly to the
[type-is](https://www.npmjs.org/package/type-is#readme) library and this
can be an extension name (like `bin`), a mime type (like
`application/octet-stream`), or a mime type with a wildcard (like `*/*` or
`application/*`). If a function, the `type` option is called as `fn(req)`
and the request is parsed if it returns a truthy value. Defaults to
`application/octet-stream`.
##### verify
The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
where `buf` is a `Buffer` of the raw request body and `encoding` is the
encoding of the request. The parsing can be aborted by throwing an error.
### bodyParser.text([options])
Returns middleware that parses all bodies as a string and only looks at
requests where the `Content-Type` header matches the `type` option. This
parser supports automatic inflation of `gzip` and `deflate` encodings.
A new `body` string containing the parsed data is populated on the `request`
object after the middleware (i.e. `req.body`). This will be a string of the
body.
#### Options
The `text` function takes an optional `options` object that may contain any of
the following keys:
##### defaultCharset
Specify the default character set for the text content if the charset is not
specified in the `Content-Type` header of the request. Defaults to `utf-8`.
##### inflate
When set to `true`, then deflated (compressed) bodies will be inflated; when
`false`, deflated bodies are rejected. Defaults to `true`.
##### limit
Controls the maximum request body size. If this is a number, then the value
specifies the number of bytes; if it is a string, the value is passed to the
[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
to `'100kb'`.
##### type
The `type` option is used to determine what media type the middleware will
parse. This option can be a string, array of strings, or a function. If not
a function, `type` option is passed directly to the
[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
be an extension name (like `txt`), a mime type (like `text/plain`), or a mime
type with a wildcard (like `*/*` or `text/*`). If a function, the `type`
option is called as `fn(req)` and the request is parsed if it returns a
truthy value. Defaults to `text/plain`.
##### verify
The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
where `buf` is a `Buffer` of the raw request body and `encoding` is the
encoding of the request. The parsing can be aborted by throwing an error.
### bodyParser.urlencoded([options])
Returns middleware that only parses `urlencoded` bodies and only looks at
requests where the `Content-Type` header matches the `type` option. This
parser accepts only UTF-8 encoding of the body and supports automatic
inflation of `gzip` and `deflate` encodings.
A new `body` object containing the parsed data is populated on the `request`
object after the middleware (i.e. `req.body`). This object will contain
key-value pairs, where the value can be a string or array (when `extended` is
`false`), or any type (when `extended` is `true`).
#### Options
The `urlencoded` function takes an optional `options` object that may contain
any of the following keys:
##### extended
The `extended` option allows to choose between parsing the URL-encoded data
with the `querystring` library (when `false`) or the `qs` library (when
`true`). The "extended" syntax allows for rich objects and arrays to be
encoded into the URL-encoded format, allowing for a JSON-like experience
with URL-encoded. For more information, please
[see the qs library](https://www.npmjs.org/package/qs#readme).
Defaults to `true`, but using the default has been deprecated. Please
research into the difference between `qs` and `querystring` and choose the
appropriate setting.
##### inflate
When set to `true`, then deflated (compressed) bodies will be inflated; when
`false`, deflated bodies are rejected. Defaults to `true`.
##### limit
Controls the maximum request body size. If this is a number, then the value
specifies the number of bytes; if it is a string, the value is passed to the
[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
to `'100kb'`.
##### parameterLimit
The `parameterLimit` option controls the maximum number of parameters that
are allowed in the URL-encoded data. If a request contains more parameters
than this value, a 413 will be returned to the client. Defaults to `1000`.
##### type
The `type` option is used to determine what media type the middleware will
parse. This option can be a string, array of strings, or a function. If not
a function, `type` option is passed directly to the
[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
be an extension name (like `urlencoded`), a mime type (like
`application/x-www-form-urlencoded`), or a mime type with a wildcard (like
`*/x-www-form-urlencoded`). If a function, the `type` option is called as
`fn(req)` and the request is parsed if it returns a truthy value. Defaults
to `application/x-www-form-urlencoded`.
##### verify
The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
where `buf` is a `Buffer` of the raw request body and `encoding` is the
encoding of the request. The parsing can be aborted by throwing an error.
#### depth
The `depth` option is used to configure the maximum depth of the `qs` library when `extended` is `true`. This allows you to limit the amount of keys that are parsed and can be useful to prevent certain types of abuse. Defaults to `32`. It is recommended to keep this value as low as possible.
## Errors
The middlewares provided by this module create errors using the
[`http-errors` module](https://www.npmjs.com/package/http-errors). The errors
will typically have a `status`/`statusCode` property that contains the suggested
HTTP response code, an `expose` property to determine if the `message` property
should be displayed to the client, a `type` property to determine the type of
error without matching against the `message`, and a `body` property containing
the read body, if available.
The following are the common errors created, though any error can come through
for various reasons.
### content encoding unsupported
This error will occur when the request had a `Content-Encoding` header that
contained an encoding but the "inflation" option was set to `false`. The
`status` property is set to `415`, the `type` property is set to
`'encoding.unsupported'`, and the `charset` property will be set to the
encoding that is unsupported.
### entity parse failed
This error will occur when the request contained an entity that could not be
parsed by the middleware. The `status` property is set to `400`, the `type`
property is set to `'entity.parse.failed'`, and the `body` property is set to
the entity value that failed parsing.
### entity verify failed
This error will occur when the request contained an entity that could not be
failed verification by the defined `verify` option. The `status` property is
set to `403`, the `type` property is set to `'entity.verify.failed'`, and the
`body` property is set to the entity value that failed verification.
### request aborted
This error will occur when the request is aborted by the client before reading
the body has finished. The `received` property will be set to the number of
bytes received before the request was aborted and the `expected` property is
set to the number of expected bytes. The `status` property is set to `400`
and `type` property is set to `'request.aborted'`.
### request entity too large
This error will occur when the request body's size is larger than the "limit"
option. The `limit` property will be set to the byte limit and the `length`
property will be set to the request body's length. The `status` property is
set to `413` and the `type` property is set to `'entity.too.large'`.
### request size did not match content length
This error will occur when the request's length did not match the length from
the `Content-Length` header. This typically occurs when the request is malformed,
typically when the `Content-Length` header was calculated based on characters
instead of bytes. The `status` property is set to `400` and the `type` property
is set to `'request.size.invalid'`.
### stream encoding should not be set
This error will occur when something called the `req.setEncoding` method prior
to this middleware. This module operates directly on bytes only and you cannot
call `req.setEncoding` when using this module. The `status` property is set to
`500` and the `type` property is set to `'stream.encoding.set'`.
### stream is not readable
This error will occur when the request is no longer readable when this middleware
attempts to read it. This typically means something other than a middleware from
this module read the request body already and the middleware was also configured to
read the same request. The `status` property is set to `500` and the `type`
property is set to `'stream.not.readable'`.
### too many parameters
This error will occur when the content of the request exceeds the configured
`parameterLimit` for the `urlencoded` parser. The `status` property is set to
`413` and the `type` property is set to `'parameters.too.many'`.
### unsupported charset "BOGUS"
This error will occur when the request had a charset parameter in the
`Content-Type` header, but the `iconv-lite` module does not support it OR the
parser does not support it. The charset is contained in the message as well
as in the `charset` property. The `status` property is set to `415`, the
`type` property is set to `'charset.unsupported'`, and the `charset` property
is set to the charset that is unsupported.
### unsupported content encoding "bogus"
This error will occur when the request had a `Content-Encoding` header that
contained an unsupported encoding. The encoding is contained in the message
as well as in the `encoding` property. The `status` property is set to `415`,
the `type` property is set to `'encoding.unsupported'`, and the `encoding`
property is set to the encoding that is unsupported.
### The input exceeded the depth
This error occurs when using `bodyParser.urlencoded` with the `extended` property set to `true` and the input exceeds the configured `depth` option. The `status` property is set to `400`. It is recommended to review the `depth` option and evaluate if it requires a higher value. When the `depth` option is set to `32` (default value), the error will not be thrown.
## Examples
### Express/Connect top-level generic
This example demonstrates adding a generic JSON and URL-encoded parser as a
top-level middleware, which will parse the bodies of all incoming requests.
This is the simplest setup.
```js
var express = require('express')
var bodyParser = require('body-parser')
var app = express()
// parse application/x-www-form-urlencoded
app.use(bodyParser.urlencoded({ extended: false }))
// parse application/json
app.use(bodyParser.json())
app.use(function (req, res) {
res.setHeader('Content-Type', 'text/plain')
res.write('you posted:\n')
res.end(JSON.stringify(req.body, null, 2))
})
```
### Express route-specific
This example demonstrates adding body parsers specifically to the routes that
need them. In general, this is the most recommended way to use body-parser with
Express.
```js
var express = require('express')
var bodyParser = require('body-parser')
var app = express()
// create application/json parser
var jsonParser = bodyParser.json()
// create application/x-www-form-urlencoded parser
var urlencodedParser = bodyParser.urlencoded({ extended: false })
// POST /login gets urlencoded bodies
app.post('/login', urlencodedParser, function (req, res) {
res.send('welcome, ' + req.body.username)
})
// POST /api/users gets JSON bodies
app.post('/api/users', jsonParser, function (req, res) {
// create user in req.body
})
```
### Change accepted type for parsers
All the parsers accept a `type` option which allows you to change the
`Content-Type` that the middleware will parse.
```js
var express = require('express')
var bodyParser = require('body-parser')
var app = express()
// parse various different custom JSON types as JSON
app.use(bodyParser.json({ type: 'application/*+json' }))
// parse some custom thing into a Buffer
app.use(bodyParser.raw({ type: 'application/vnd.custom-type' }))
// parse an HTML body into a string
app.use(bodyParser.text({ type: 'text/html' }))
```
## License
[MIT](LICENSE)
[ci-image]: https://badgen.net/github/checks/expressjs/body-parser/master?label=ci
[ci-url]: https://github.com/expressjs/body-parser/actions/workflows/ci.yml
[coveralls-image]: https://badgen.net/coveralls/c/github/expressjs/body-parser/master
[coveralls-url]: https://coveralls.io/r/expressjs/body-parser?branch=master
[node-version-image]: https://badgen.net/npm/node/body-parser
[node-version-url]: https://nodejs.org/en/download
[npm-downloads-image]: https://badgen.net/npm/dm/body-parser
[npm-url]: https://npmjs.org/package/body-parser
[npm-version-image]: https://badgen.net/npm/v/body-parser
[ossf-scorecard-badge]: https://api.scorecard.dev/projects/github.com/expressjs/body-parser/badge
[ossf-scorecard-visualizer]: https://ossf.github.io/scorecard-visualizer/#/projects/github.com/expressjs/body-parser

@ -0,0 +1,25 @@
# Security Policies and Procedures
## Reporting a Bug
The Express team and community take all security bugs seriously. Thank you
for improving the security of Express. We appreciate your efforts and
responsible disclosure and will make every effort to acknowledge your
contributions.
Report security bugs by emailing the current owner(s) of `body-parser`. This
information can be found in the npm registry using the command
`npm owner ls body-parser`.
If unsure or unable to get the information from the above, open an issue
in the [project issue tracker](https://github.com/expressjs/body-parser/issues)
asking for the current contact information.
To ensure the timely response to your report, please ensure that the entirety
of the report is contained within the email body and not solely behind a web
link or an attachment.
At least one owner will acknowledge your email within 48 hours, and will send a
more detailed response within 48 hours indicating the next steps in handling
your report. After the initial reply to your report, the owners will
endeavor to keep you informed of the progress towards a fix and full
announcement, and may ask for additional information or guidance.

@ -0,0 +1,156 @@
/*!
* body-parser
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var deprecate = require('depd')('body-parser')
/**
* Cache of loaded parsers.
* @private
*/
var parsers = Object.create(null)
/**
* @typedef Parsers
* @type {function}
* @property {function} json
* @property {function} raw
* @property {function} text
* @property {function} urlencoded
*/
/**
* Module exports.
* @type {Parsers}
*/
exports = module.exports = deprecate.function(bodyParser,
'bodyParser: use individual json/urlencoded middlewares')
/**
* JSON parser.
* @public
*/
Object.defineProperty(exports, 'json', {
configurable: true,
enumerable: true,
get: createParserGetter('json')
})
/**
* Raw parser.
* @public
*/
Object.defineProperty(exports, 'raw', {
configurable: true,
enumerable: true,
get: createParserGetter('raw')
})
/**
* Text parser.
* @public
*/
Object.defineProperty(exports, 'text', {
configurable: true,
enumerable: true,
get: createParserGetter('text')
})
/**
* URL-encoded parser.
* @public
*/
Object.defineProperty(exports, 'urlencoded', {
configurable: true,
enumerable: true,
get: createParserGetter('urlencoded')
})
/**
* Create a middleware to parse json and urlencoded bodies.
*
* @param {object} [options]
* @return {function}
* @deprecated
* @public
*/
function bodyParser (options) {
// use default type for parsers
var opts = Object.create(options || null, {
type: {
configurable: true,
enumerable: true,
value: undefined,
writable: true
}
})
var _urlencoded = exports.urlencoded(opts)
var _json = exports.json(opts)
return function bodyParser (req, res, next) {
_json(req, res, function (err) {
if (err) return next(err)
_urlencoded(req, res, next)
})
}
}
/**
* Create a getter for loading a parser.
* @private
*/
function createParserGetter (name) {
return function get () {
return loadParser(name)
}
}
/**
* Load a parser module.
* @private
*/
function loadParser (parserName) {
var parser = parsers[parserName]
if (parser !== undefined) {
return parser
}
// this uses a switch for static require analysis
switch (parserName) {
case 'json':
parser = require('./lib/types/json')
break
case 'raw':
parser = require('./lib/types/raw')
break
case 'text':
parser = require('./lib/types/text')
break
case 'urlencoded':
parser = require('./lib/types/urlencoded')
break
}
// store to prevent invoking require()
return (parsers[parserName] = parser)
}

@ -0,0 +1,205 @@
/*!
* body-parser
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var createError = require('http-errors')
var destroy = require('destroy')
var getBody = require('raw-body')
var iconv = require('iconv-lite')
var onFinished = require('on-finished')
var unpipe = require('unpipe')
var zlib = require('zlib')
/**
* Module exports.
*/
module.exports = read
/**
* Read a request into a buffer and parse.
*
* @param {object} req
* @param {object} res
* @param {function} next
* @param {function} parse
* @param {function} debug
* @param {object} options
* @private
*/
function read (req, res, next, parse, debug, options) {
var length
var opts = options
var stream
// flag as parsed
req._body = true
// read options
var encoding = opts.encoding !== null
? opts.encoding
: null
var verify = opts.verify
try {
// get the content stream
stream = contentstream(req, debug, opts.inflate)
length = stream.length
stream.length = undefined
} catch (err) {
return next(err)
}
// set raw-body options
opts.length = length
opts.encoding = verify
? null
: encoding
// assert charset is supported
if (opts.encoding === null && encoding !== null && !iconv.encodingExists(encoding)) {
return next(createError(415, 'unsupported charset "' + encoding.toUpperCase() + '"', {
charset: encoding.toLowerCase(),
type: 'charset.unsupported'
}))
}
// read body
debug('read body')
getBody(stream, opts, function (error, body) {
if (error) {
var _error
if (error.type === 'encoding.unsupported') {
// echo back charset
_error = createError(415, 'unsupported charset "' + encoding.toUpperCase() + '"', {
charset: encoding.toLowerCase(),
type: 'charset.unsupported'
})
} else {
// set status code on error
_error = createError(400, error)
}
// unpipe from stream and destroy
if (stream !== req) {
unpipe(req)
destroy(stream, true)
}
// read off entire request
dump(req, function onfinished () {
next(createError(400, _error))
})
return
}
// verify
if (verify) {
try {
debug('verify body')
verify(req, res, body, encoding)
} catch (err) {
next(createError(403, err, {
body: body,
type: err.type || 'entity.verify.failed'
}))
return
}
}
// parse
var str = body
try {
debug('parse body')
str = typeof body !== 'string' && encoding !== null
? iconv.decode(body, encoding)
: body
req.body = parse(str)
} catch (err) {
next(createError(400, err, {
body: str,
type: err.type || 'entity.parse.failed'
}))
return
}
next()
})
}
/**
* Get the content stream of the request.
*
* @param {object} req
* @param {function} debug
* @param {boolean} [inflate=true]
* @return {object}
* @api private
*/
function contentstream (req, debug, inflate) {
var encoding = (req.headers['content-encoding'] || 'identity').toLowerCase()
var length = req.headers['content-length']
var stream
debug('content-encoding "%s"', encoding)
if (inflate === false && encoding !== 'identity') {
throw createError(415, 'content encoding unsupported', {
encoding: encoding,
type: 'encoding.unsupported'
})
}
switch (encoding) {
case 'deflate':
stream = zlib.createInflate()
debug('inflate body')
req.pipe(stream)
break
case 'gzip':
stream = zlib.createGunzip()
debug('gunzip body')
req.pipe(stream)
break
case 'identity':
stream = req
stream.length = length
break
default:
throw createError(415, 'unsupported content encoding "' + encoding + '"', {
encoding: encoding,
type: 'encoding.unsupported'
})
}
return stream
}
/**
* Dump the contents of a request.
*
* @param {object} req
* @param {function} callback
* @api private
*/
function dump (req, callback) {
if (onFinished.isFinished(req)) {
callback(null)
} else {
onFinished(req, callback)
req.resume()
}
}

@ -0,0 +1,247 @@
/*!
* body-parser
* Copyright(c) 2014 Jonathan Ong
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var bytes = require('bytes')
var contentType = require('content-type')
var createError = require('http-errors')
var debug = require('debug')('body-parser:json')
var read = require('../read')
var typeis = require('type-is')
/**
* Module exports.
*/
module.exports = json
/**
* RegExp to match the first non-space in a string.
*
* Allowed whitespace is defined in RFC 7159:
*
* ws = *(
* %x20 / ; Space
* %x09 / ; Horizontal tab
* %x0A / ; Line feed or New line
* %x0D ) ; Carriage return
*/
var FIRST_CHAR_REGEXP = /^[\x20\x09\x0a\x0d]*([^\x20\x09\x0a\x0d])/ // eslint-disable-line no-control-regex
var JSON_SYNTAX_CHAR = '#'
var JSON_SYNTAX_REGEXP = /#+/g
/**
* Create a middleware to parse JSON bodies.
*
* @param {object} [options]
* @return {function}
* @public
*/
function json (options) {
var opts = options || {}
var limit = typeof opts.limit !== 'number'
? bytes.parse(opts.limit || '100kb')
: opts.limit
var inflate = opts.inflate !== false
var reviver = opts.reviver
var strict = opts.strict !== false
var type = opts.type || 'application/json'
var verify = opts.verify || false
if (verify !== false && typeof verify !== 'function') {
throw new TypeError('option verify must be function')
}
// create the appropriate type checking function
var shouldParse = typeof type !== 'function'
? typeChecker(type)
: type
function parse (body) {
if (body.length === 0) {
// special-case empty json body, as it's a common client-side mistake
// TODO: maybe make this configurable or part of "strict" option
return {}
}
if (strict) {
var first = firstchar(body)
if (first !== '{' && first !== '[') {
debug('strict violation')
throw createStrictSyntaxError(body, first)
}
}
try {
debug('parse json')
return JSON.parse(body, reviver)
} catch (e) {
throw normalizeJsonSyntaxError(e, {
message: e.message,
stack: e.stack
})
}
}
return function jsonParser (req, res, next) {
if (req._body) {
debug('body already parsed')
next()
return
}
req.body = req.body || {}
// skip requests without bodies
if (!typeis.hasBody(req)) {
debug('skip empty body')
next()
return
}
debug('content-type %j', req.headers['content-type'])
// determine if request should be parsed
if (!shouldParse(req)) {
debug('skip parsing')
next()
return
}
// assert charset per RFC 7159 sec 8.1
var charset = getCharset(req) || 'utf-8'
if (charset.slice(0, 4) !== 'utf-') {
debug('invalid charset')
next(createError(415, 'unsupported charset "' + charset.toUpperCase() + '"', {
charset: charset,
type: 'charset.unsupported'
}))
return
}
// read
read(req, res, next, parse, debug, {
encoding: charset,
inflate: inflate,
limit: limit,
verify: verify
})
}
}
/**
* Create strict violation syntax error matching native error.
*
* @param {string} str
* @param {string} char
* @return {Error}
* @private
*/
function createStrictSyntaxError (str, char) {
var index = str.indexOf(char)
var partial = ''
if (index !== -1) {
partial = str.substring(0, index) + JSON_SYNTAX_CHAR
for (var i = index + 1; i < str.length; i++) {
partial += JSON_SYNTAX_CHAR
}
}
try {
JSON.parse(partial); /* istanbul ignore next */ throw new SyntaxError('strict violation')
} catch (e) {
return normalizeJsonSyntaxError(e, {
message: e.message.replace(JSON_SYNTAX_REGEXP, function (placeholder) {
return str.substring(index, index + placeholder.length)
}),
stack: e.stack
})
}
}
/**
* Get the first non-whitespace character in a string.
*
* @param {string} str
* @return {function}
* @private
*/
function firstchar (str) {
var match = FIRST_CHAR_REGEXP.exec(str)
return match
? match[1]
: undefined
}
/**
* Get the charset of a request.
*
* @param {object} req
* @api private
*/
function getCharset (req) {
try {
return (contentType.parse(req).parameters.charset || '').toLowerCase()
} catch (e) {
return undefined
}
}
/**
* Normalize a SyntaxError for JSON.parse.
*
* @param {SyntaxError} error
* @param {object} obj
* @return {SyntaxError}
*/
function normalizeJsonSyntaxError (error, obj) {
var keys = Object.getOwnPropertyNames(error)
for (var i = 0; i < keys.length; i++) {
var key = keys[i]
if (key !== 'stack' && key !== 'message') {
delete error[key]
}
}
// replace stack before message for Node.js 0.10 and below
error.stack = obj.stack.replace(error.message, obj.message)
error.message = obj.message
return error
}
/**
* Get the simple type checker.
*
* @param {string} type
* @return {function}
*/
function typeChecker (type) {
return function checkType (req) {
return Boolean(typeis(req, type))
}
}

@ -0,0 +1,101 @@
/*!
* body-parser
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
*/
var bytes = require('bytes')
var debug = require('debug')('body-parser:raw')
var read = require('../read')
var typeis = require('type-is')
/**
* Module exports.
*/
module.exports = raw
/**
* Create a middleware to parse raw bodies.
*
* @param {object} [options]
* @return {function}
* @api public
*/
function raw (options) {
var opts = options || {}
var inflate = opts.inflate !== false
var limit = typeof opts.limit !== 'number'
? bytes.parse(opts.limit || '100kb')
: opts.limit
var type = opts.type || 'application/octet-stream'
var verify = opts.verify || false
if (verify !== false && typeof verify !== 'function') {
throw new TypeError('option verify must be function')
}
// create the appropriate type checking function
var shouldParse = typeof type !== 'function'
? typeChecker(type)
: type
function parse (buf) {
return buf
}
return function rawParser (req, res, next) {
if (req._body) {
debug('body already parsed')
next()
return
}
req.body = req.body || {}
// skip requests without bodies
if (!typeis.hasBody(req)) {
debug('skip empty body')
next()
return
}
debug('content-type %j', req.headers['content-type'])
// determine if request should be parsed
if (!shouldParse(req)) {
debug('skip parsing')
next()
return
}
// read
read(req, res, next, parse, debug, {
encoding: null,
inflate: inflate,
limit: limit,
verify: verify
})
}
}
/**
* Get the simple type checker.
*
* @param {string} type
* @return {function}
*/
function typeChecker (type) {
return function checkType (req) {
return Boolean(typeis(req, type))
}
}

@ -0,0 +1,121 @@
/*!
* body-parser
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
*/
var bytes = require('bytes')
var contentType = require('content-type')
var debug = require('debug')('body-parser:text')
var read = require('../read')
var typeis = require('type-is')
/**
* Module exports.
*/
module.exports = text
/**
* Create a middleware to parse text bodies.
*
* @param {object} [options]
* @return {function}
* @api public
*/
function text (options) {
var opts = options || {}
var defaultCharset = opts.defaultCharset || 'utf-8'
var inflate = opts.inflate !== false
var limit = typeof opts.limit !== 'number'
? bytes.parse(opts.limit || '100kb')
: opts.limit
var type = opts.type || 'text/plain'
var verify = opts.verify || false
if (verify !== false && typeof verify !== 'function') {
throw new TypeError('option verify must be function')
}
// create the appropriate type checking function
var shouldParse = typeof type !== 'function'
? typeChecker(type)
: type
function parse (buf) {
return buf
}
return function textParser (req, res, next) {
if (req._body) {
debug('body already parsed')
next()
return
}
req.body = req.body || {}
// skip requests without bodies
if (!typeis.hasBody(req)) {
debug('skip empty body')
next()
return
}
debug('content-type %j', req.headers['content-type'])
// determine if request should be parsed
if (!shouldParse(req)) {
debug('skip parsing')
next()
return
}
// get charset
var charset = getCharset(req) || defaultCharset
// read
read(req, res, next, parse, debug, {
encoding: charset,
inflate: inflate,
limit: limit,
verify: verify
})
}
}
/**
* Get the charset of a request.
*
* @param {object} req
* @api private
*/
function getCharset (req) {
try {
return (contentType.parse(req).parameters.charset || '').toLowerCase()
} catch (e) {
return undefined
}
}
/**
* Get the simple type checker.
*
* @param {string} type
* @return {function}
*/
function typeChecker (type) {
return function checkType (req) {
return Boolean(typeis(req, type))
}
}

@ -0,0 +1,307 @@
/*!
* body-parser
* Copyright(c) 2014 Jonathan Ong
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var bytes = require('bytes')
var contentType = require('content-type')
var createError = require('http-errors')
var debug = require('debug')('body-parser:urlencoded')
var deprecate = require('depd')('body-parser')
var read = require('../read')
var typeis = require('type-is')
/**
* Module exports.
*/
module.exports = urlencoded
/**
* Cache of parser modules.
*/
var parsers = Object.create(null)
/**
* Create a middleware to parse urlencoded bodies.
*
* @param {object} [options]
* @return {function}
* @public
*/
function urlencoded (options) {
var opts = options || {}
// notice because option default will flip in next major
if (opts.extended === undefined) {
deprecate('undefined extended: provide extended option')
}
var extended = opts.extended !== false
var inflate = opts.inflate !== false
var limit = typeof opts.limit !== 'number'
? bytes.parse(opts.limit || '100kb')
: opts.limit
var type = opts.type || 'application/x-www-form-urlencoded'
var verify = opts.verify || false
var depth = typeof opts.depth !== 'number'
? Number(opts.depth || 32)
: opts.depth
if (verify !== false && typeof verify !== 'function') {
throw new TypeError('option verify must be function')
}
// create the appropriate query parser
var queryparse = extended
? extendedparser(opts)
: simpleparser(opts)
// create the appropriate type checking function
var shouldParse = typeof type !== 'function'
? typeChecker(type)
: type
function parse (body) {
return body.length
? queryparse(body)
: {}
}
return function urlencodedParser (req, res, next) {
if (req._body) {
debug('body already parsed')
next()
return
}
req.body = req.body || {}
// skip requests without bodies
if (!typeis.hasBody(req)) {
debug('skip empty body')
next()
return
}
debug('content-type %j', req.headers['content-type'])
// determine if request should be parsed
if (!shouldParse(req)) {
debug('skip parsing')
next()
return
}
// assert charset
var charset = getCharset(req) || 'utf-8'
if (charset !== 'utf-8') {
debug('invalid charset')
next(createError(415, 'unsupported charset "' + charset.toUpperCase() + '"', {
charset: charset,
type: 'charset.unsupported'
}))
return
}
// read
read(req, res, next, parse, debug, {
debug: debug,
encoding: charset,
inflate: inflate,
limit: limit,
verify: verify,
depth: depth
})
}
}
/**
* Get the extended query parser.
*
* @param {object} options
*/
function extendedparser (options) {
var parameterLimit = options.parameterLimit !== undefined
? options.parameterLimit
: 1000
var depth = typeof options.depth !== 'number'
? Number(options.depth || 32)
: options.depth
var parse = parser('qs')
if (isNaN(parameterLimit) || parameterLimit < 1) {
throw new TypeError('option parameterLimit must be a positive number')
}
if (isNaN(depth) || depth < 0) {
throw new TypeError('option depth must be a zero or a positive number')
}
if (isFinite(parameterLimit)) {
parameterLimit = parameterLimit | 0
}
return function queryparse (body) {
var paramCount = parameterCount(body, parameterLimit)
if (paramCount === undefined) {
debug('too many parameters')
throw createError(413, 'too many parameters', {
type: 'parameters.too.many'
})
}
var arrayLimit = Math.max(100, paramCount)
debug('parse extended urlencoding')
try {
return parse(body, {
allowPrototypes: true,
arrayLimit: arrayLimit,
depth: depth,
strictDepth: true,
parameterLimit: parameterLimit
})
} catch (err) {
if (err instanceof RangeError) {
throw createError(400, 'The input exceeded the depth', {
type: 'querystring.parse.rangeError'
})
} else {
throw err
}
}
}
}
/**
* Get the charset of a request.
*
* @param {object} req
* @api private
*/
function getCharset (req) {
try {
return (contentType.parse(req).parameters.charset || '').toLowerCase()
} catch (e) {
return undefined
}
}
/**
* Count the number of parameters, stopping once limit reached
*
* @param {string} body
* @param {number} limit
* @api private
*/
function parameterCount (body, limit) {
var count = 0
var index = 0
while ((index = body.indexOf('&', index)) !== -1) {
count++
index++
if (count === limit) {
return undefined
}
}
return count
}
/**
* Get parser for module name dynamically.
*
* @param {string} name
* @return {function}
* @api private
*/
function parser (name) {
var mod = parsers[name]
if (mod !== undefined) {
return mod.parse
}
// this uses a switch for static require analysis
switch (name) {
case 'qs':
mod = require('qs')
break
case 'querystring':
mod = require('querystring')
break
}
// store to prevent invoking require()
parsers[name] = mod
return mod.parse
}
/**
* Get the simple query parser.
*
* @param {object} options
*/
function simpleparser (options) {
var parameterLimit = options.parameterLimit !== undefined
? options.parameterLimit
: 1000
var parse = parser('querystring')
if (isNaN(parameterLimit) || parameterLimit < 1) {
throw new TypeError('option parameterLimit must be a positive number')
}
if (isFinite(parameterLimit)) {
parameterLimit = parameterLimit | 0
}
return function queryparse (body) {
var paramCount = parameterCount(body, parameterLimit)
if (paramCount === undefined) {
debug('too many parameters')
throw createError(413, 'too many parameters', {
type: 'parameters.too.many'
})
}
debug('parse urlencoding')
return parse(body, undefined, undefined, { maxKeys: parameterLimit })
}
}
/**
* Get the simple type checker.
*
* @param {string} type
* @return {function}
*/
function typeChecker (type) {
return function checkType (req) {
return Boolean(typeis(req, type))
}
}

@ -0,0 +1,56 @@
{
"name": "body-parser",
"description": "Node.js body parsing middleware",
"version": "1.20.3",
"contributors": [
"Douglas Christopher Wilson <doug@somethingdoug.com>",
"Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
],
"license": "MIT",
"repository": "expressjs/body-parser",
"dependencies": {
"bytes": "3.1.2",
"content-type": "~1.0.5",
"debug": "2.6.9",
"depd": "2.0.0",
"destroy": "1.2.0",
"http-errors": "2.0.0",
"iconv-lite": "0.4.24",
"on-finished": "2.4.1",
"qs": "6.13.0",
"raw-body": "2.5.2",
"type-is": "~1.6.18",
"unpipe": "1.0.0"
},
"devDependencies": {
"eslint": "8.34.0",
"eslint-config-standard": "14.1.1",
"eslint-plugin-import": "2.27.5",
"eslint-plugin-markdown": "3.0.0",
"eslint-plugin-node": "11.1.0",
"eslint-plugin-promise": "6.1.1",
"eslint-plugin-standard": "4.1.0",
"methods": "1.1.2",
"mocha": "10.2.0",
"nyc": "15.1.0",
"safe-buffer": "5.2.1",
"supertest": "6.3.3"
},
"files": [
"lib/",
"LICENSE",
"HISTORY.md",
"SECURITY.md",
"index.js"
],
"engines": {
"node": ">= 0.8",
"npm": "1.2.8000 || >= 1.4.16"
},
"scripts": {
"lint": "eslint .",
"test": "mocha --require test/support/env --reporter spec --check-leaks --bail test/",
"test-ci": "nyc --reporter=lcov --reporter=text npm test",
"test-cov": "nyc --reporter=html --reporter=text npm test"
}
}

@ -0,0 +1,21 @@
MIT License
Copyright (c) 2016, 2018 Linus Unnebäck
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

@ -0,0 +1,72 @@
/* eslint-disable node/no-deprecated-api */
var toString = Object.prototype.toString
var isModern = (
typeof Buffer !== 'undefined' &&
typeof Buffer.alloc === 'function' &&
typeof Buffer.allocUnsafe === 'function' &&
typeof Buffer.from === 'function'
)
function isArrayBuffer (input) {
return toString.call(input).slice(8, -1) === 'ArrayBuffer'
}
function fromArrayBuffer (obj, byteOffset, length) {
byteOffset >>>= 0
var maxLength = obj.byteLength - byteOffset
if (maxLength < 0) {
throw new RangeError("'offset' is out of bounds")
}
if (length === undefined) {
length = maxLength
} else {
length >>>= 0
if (length > maxLength) {
throw new RangeError("'length' is out of bounds")
}
}
return isModern
? Buffer.from(obj.slice(byteOffset, byteOffset + length))
: new Buffer(new Uint8Array(obj.slice(byteOffset, byteOffset + length)))
}
function fromString (string, encoding) {
if (typeof encoding !== 'string' || encoding === '') {
encoding = 'utf8'
}
if (!Buffer.isEncoding(encoding)) {
throw new TypeError('"encoding" must be a valid string encoding')
}
return isModern
? Buffer.from(string, encoding)
: new Buffer(string, encoding)
}
function bufferFrom (value, encodingOrOffset, length) {
if (typeof value === 'number') {
throw new TypeError('"value" argument must not be a number')
}
if (isArrayBuffer(value)) {
return fromArrayBuffer(value, encodingOrOffset, length)
}
if (typeof value === 'string') {
return fromString(value, encodingOrOffset)
}
return isModern
? Buffer.from(value)
: new Buffer(value)
}
module.exports = bufferFrom

@ -0,0 +1,19 @@
{
"name": "buffer-from",
"version": "1.1.2",
"license": "MIT",
"repository": "LinusU/buffer-from",
"files": [
"index.js"
],
"scripts": {
"test": "standard && node test"
},
"devDependencies": {
"standard": "^12.0.1"
},
"keywords": [
"buffer",
"buffer from"
]
}

@ -0,0 +1,69 @@
# Buffer From
A [ponyfill](https://ponyfill.com) for `Buffer.from`, uses native implementation if available.
## Installation
```sh
npm install --save buffer-from
```
## Usage
```js
const bufferFrom = require('buffer-from')
console.log(bufferFrom([1, 2, 3, 4]))
//=> <Buffer 01 02 03 04>
const arr = new Uint8Array([1, 2, 3, 4])
console.log(bufferFrom(arr.buffer, 1, 2))
//=> <Buffer 02 03>
console.log(bufferFrom('test', 'utf8'))
//=> <Buffer 74 65 73 74>
const buf = bufferFrom('test')
console.log(bufferFrom(buf))
//=> <Buffer 74 65 73 74>
```
## API
### bufferFrom(array)
- `array` &lt;Array&gt;
Allocates a new `Buffer` using an `array` of octets.
### bufferFrom(arrayBuffer[, byteOffset[, length]])
- `arrayBuffer` &lt;ArrayBuffer&gt; The `.buffer` property of a TypedArray or ArrayBuffer
- `byteOffset` &lt;Integer&gt; Where to start copying from `arrayBuffer`. **Default:** `0`
- `length` &lt;Integer&gt; How many bytes to copy from `arrayBuffer`. **Default:** `arrayBuffer.length - byteOffset`
When passed a reference to the `.buffer` property of a TypedArray instance, the
newly created `Buffer` will share the same allocated memory as the TypedArray.
The optional `byteOffset` and `length` arguments specify a memory range within
the `arrayBuffer` that will be shared by the `Buffer`.
### bufferFrom(buffer)
- `buffer` &lt;Buffer&gt; An existing `Buffer` to copy data from
Copies the passed `buffer` data onto a new `Buffer` instance.
### bufferFrom(string[, encoding])
- `string` &lt;String&gt; A string to encode.
- `encoding` &lt;String&gt; The encoding of `string`. **Default:** `'utf8'`
Creates a new `Buffer` containing the given JavaScript string `string`. If
provided, the `encoding` parameter identifies the character encoding of
`string`.
## See also
- [buffer-alloc](https://github.com/LinusU/buffer-alloc) A ponyfill for `Buffer.alloc`
- [buffer-alloc-unsafe](https://github.com/LinusU/buffer-alloc-unsafe) A ponyfill for `Buffer.allocUnsafe`

@ -0,0 +1,5 @@
'use strict';
module.exports = {
extends: '@mscdex/eslint-config',
};

@ -0,0 +1,24 @@
name: CI
on:
pull_request:
push:
branches: [ master ]
jobs:
tests-linux:
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
node-version: [10.16.0, 10.x, 12.x, 14.x, 16.x]
steps:
- uses: actions/checkout@v2
- name: Use Node.js ${{ matrix.node-version }}
uses: actions/setup-node@v1
with:
node-version: ${{ matrix.node-version }}
- name: Install module
run: npm install
- name: Run tests
run: npm test

@ -0,0 +1,23 @@
name: lint
on:
pull_request:
push:
branches: [ master ]
env:
NODE_VERSION: 16.x
jobs:
lint-js:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- name: Use Node.js ${{ env.NODE_VERSION }}
uses: actions/setup-node@v1
with:
node-version: ${{ env.NODE_VERSION }}
- name: Install ESLint + ESLint configs/plugins
run: npm install --only=dev
- name: Lint files
run: npm run lint

@ -0,0 +1,19 @@
Copyright Brian White. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.

@ -0,0 +1,191 @@
# Description
A node.js module for parsing incoming HTML form data.
Changes (breaking or otherwise) in v1.0.0 can be found [here](https://github.com/mscdex/busboy/issues/266).
# Requirements
* [node.js](http://nodejs.org/) -- v10.16.0 or newer
# Install
npm install busboy
# Examples
* Parsing (multipart) with default options:
```js
const http = require('http');
const busboy = require('busboy');
http.createServer((req, res) => {
if (req.method === 'POST') {
console.log('POST request');
const bb = busboy({ headers: req.headers });
bb.on('file', (name, file, info) => {
const { filename, encoding, mimeType } = info;
console.log(
`File [${name}]: filename: %j, encoding: %j, mimeType: %j`,
filename,
encoding,
mimeType
);
file.on('data', (data) => {
console.log(`File [${name}] got ${data.length} bytes`);
}).on('close', () => {
console.log(`File [${name}] done`);
});
});
bb.on('field', (name, val, info) => {
console.log(`Field [${name}]: value: %j`, val);
});
bb.on('close', () => {
console.log('Done parsing form!');
res.writeHead(303, { Connection: 'close', Location: '/' });
res.end();
});
req.pipe(bb);
} else if (req.method === 'GET') {
res.writeHead(200, { Connection: 'close' });
res.end(`
<html>
<head></head>
<body>
<form method="POST" enctype="multipart/form-data">
<input type="file" name="filefield"><br />
<input type="text" name="textfield"><br />
<input type="submit">
</form>
</body>
</html>
`);
}
}).listen(8000, () => {
console.log('Listening for requests');
});
// Example output:
//
// Listening for requests
// < ... form submitted ... >
// POST request
// File [filefield]: filename: "logo.jpg", encoding: "binary", mime: "image/jpeg"
// File [filefield] got 11912 bytes
// Field [textfield]: value: "testing! :-)"
// File [filefield] done
// Done parsing form!
```
* Save all incoming files to disk:
```js
const { randomFillSync } = require('crypto');
const fs = require('fs');
const http = require('http');
const os = require('os');
const path = require('path');
const busboy = require('busboy');
const random = (() => {
const buf = Buffer.alloc(16);
return () => randomFillSync(buf).toString('hex');
})();
http.createServer((req, res) => {
if (req.method === 'POST') {
const bb = busboy({ headers: req.headers });
bb.on('file', (name, file, info) => {
const saveTo = path.join(os.tmpdir(), `busboy-upload-${random()}`);
file.pipe(fs.createWriteStream(saveTo));
});
bb.on('close', () => {
res.writeHead(200, { 'Connection': 'close' });
res.end(`That's all folks!`);
});
req.pipe(bb);
return;
}
res.writeHead(404);
res.end();
}).listen(8000, () => {
console.log('Listening for requests');
});
```
# API
## Exports
`busboy` exports a single function:
**( _function_ )**(< _object_ >config) - Creates and returns a new _Writable_ form parser stream.
* Valid `config` properties:
* **headers** - _object_ - These are the HTTP headers of the incoming request, which are used by individual parsers.
* **highWaterMark** - _integer_ - highWaterMark to use for the parser stream. **Default:** node's _stream.Writable_ default.
* **fileHwm** - _integer_ - highWaterMark to use for individual file streams. **Default:** node's _stream.Readable_ default.
* **defCharset** - _string_ - Default character set to use when one isn't defined. **Default:** `'utf8'`.
* **defParamCharset** - _string_ - For multipart forms, the default character set to use for values of part header parameters (e.g. filename) that are not extended parameters (that contain an explicit charset). **Default:** `'latin1'`.
* **preservePath** - _boolean_ - If paths in filenames from file parts in a `'multipart/form-data'` request shall be preserved. **Default:** `false`.
* **limits** - _object_ - Various limits on incoming data. Valid properties are:
* **fieldNameSize** - _integer_ - Max field name size (in bytes). **Default:** `100`.
* **fieldSize** - _integer_ - Max field value size (in bytes). **Default:** `1048576` (1MB).
* **fields** - _integer_ - Max number of non-file fields. **Default:** `Infinity`.
* **fileSize** - _integer_ - For multipart forms, the max file size (in bytes). **Default:** `Infinity`.
* **files** - _integer_ - For multipart forms, the max number of file fields. **Default:** `Infinity`.
* **parts** - _integer_ - For multipart forms, the max number of parts (fields + files). **Default:** `Infinity`.
* **headerPairs** - _integer_ - For multipart forms, the max number of header key-value pairs to parse. **Default:** `2000` (same as node's http module).
This function can throw exceptions if there is something wrong with the values in `config`. For example, if the Content-Type in `headers` is missing entirely, is not a supported type, or is missing the boundary for `'multipart/form-data'` requests.
## (Special) Parser stream events
* **file**(< _string_ >name, < _Readable_ >stream, < _object_ >info) - Emitted for each new file found. `name` contains the form field name. `stream` is a _Readable_ stream containing the file's data. No transformations/conversions (e.g. base64 to raw binary) are done on the file's data. `info` contains the following properties:
* `filename` - _string_ - If supplied, this contains the file's filename. **WARNING:** You should almost _never_ use this value as-is (especially if you are using `preservePath: true` in your `config`) as it could contain malicious input. You are better off generating your own (safe) filenames, or at the very least using a hash of the filename.
* `encoding` - _string_ - The file's `'Content-Transfer-Encoding'` value.
* `mimeType` - _string_ - The file's `'Content-Type'` value.
**Note:** If you listen for this event, you should always consume the `stream` whether you care about its contents or not (you can simply do `stream.resume();` if you want to discard/skip the contents), otherwise the `'finish'`/`'close'` event will never fire on the busboy parser stream.
However, if you aren't accepting files, you can either simply not listen for the `'file'` event at all or set `limits.files` to `0`, and any/all files will be automatically skipped (these skipped files will still count towards any configured `limits.files` and `limits.parts` limits though).
**Note:** If a configured `limits.fileSize` limit was reached for a file, `stream` will both have a boolean property `truncated` set to `true` (best checked at the end of the stream) and emit a `'limit'` event to notify you when this happens.
* **field**(< _string_ >name, < _string_ >value, < _object_ >info) - Emitted for each new non-file field found. `name` contains the form field name. `value` contains the string value of the field. `info` contains the following properties:
* `nameTruncated` - _boolean_ - Whether `name` was truncated or not (due to a configured `limits.fieldNameSize` limit)
* `valueTruncated` - _boolean_ - Whether `value` was truncated or not (due to a configured `limits.fieldSize` limit)
* `encoding` - _string_ - The field's `'Content-Transfer-Encoding'` value.
* `mimeType` - _string_ - The field's `'Content-Type'` value.
* **partsLimit**() - Emitted when the configured `limits.parts` limit has been reached. No more `'file'` or `'field'` events will be emitted.
* **filesLimit**() - Emitted when the configured `limits.files` limit has been reached. No more `'file'` events will be emitted.
* **fieldsLimit**() - Emitted when the configured `limits.fields` limit has been reached. No more `'field'` events will be emitted.

@ -0,0 +1,149 @@
'use strict';
function createMultipartBuffers(boundary, sizes) {
const bufs = [];
for (let i = 0; i < sizes.length; ++i) {
const mb = sizes[i] * 1024 * 1024;
bufs.push(Buffer.from([
`--${boundary}`,
`content-disposition: form-data; name="field${i + 1}"`,
'',
'0'.repeat(mb),
'',
].join('\r\n')));
}
bufs.push(Buffer.from([
`--${boundary}--`,
'',
].join('\r\n')));
return bufs;
}
const boundary = '-----------------------------168072824752491622650073';
const buffers = createMultipartBuffers(boundary, [
10,
10,
10,
20,
50,
]);
const calls = {
partBegin: 0,
headerField: 0,
headerValue: 0,
headerEnd: 0,
headersEnd: 0,
partData: 0,
partEnd: 0,
end: 0,
};
const moduleName = process.argv[2];
switch (moduleName) {
case 'busboy': {
const busboy = require('busboy');
const parser = busboy({
limits: {
fieldSizeLimit: Infinity,
},
headers: {
'content-type': `multipart/form-data; boundary=${boundary}`,
},
});
parser.on('field', (name, val, info) => {
++calls.partBegin;
++calls.partData;
++calls.partEnd;
}).on('close', () => {
++calls.end;
console.timeEnd(moduleName);
});
console.time(moduleName);
for (const buf of buffers)
parser.write(buf);
break;
}
case 'formidable': {
const { MultipartParser } = require('formidable');
const parser = new MultipartParser();
parser.initWithBoundary(boundary);
parser.on('data', ({ name }) => {
++calls[name];
if (name === 'end')
console.timeEnd(moduleName);
});
console.time(moduleName);
for (const buf of buffers)
parser.write(buf);
break;
}
case 'multiparty': {
const { Readable } = require('stream');
const { Form } = require('multiparty');
const form = new Form({
maxFieldsSize: Infinity,
maxFields: Infinity,
maxFilesSize: Infinity,
autoFields: false,
autoFiles: false,
});
const req = new Readable({ read: () => {} });
req.headers = {
'content-type': `multipart/form-data; boundary=${boundary}`,
};
function hijack(name, fn) {
const oldFn = form[name];
form[name] = function() {
fn();
return oldFn.apply(this, arguments);
};
}
hijack('onParseHeaderField', () => {
++calls.headerField;
});
hijack('onParseHeaderValue', () => {
++calls.headerValue;
});
hijack('onParsePartBegin', () => {
++calls.partBegin;
});
hijack('onParsePartData', () => {
++calls.partData;
});
hijack('onParsePartEnd', () => {
++calls.partEnd;
});
form.on('close', () => {
++calls.end;
console.timeEnd(moduleName);
}).on('part', (p) => p.resume());
console.time(moduleName);
form.parse(req);
for (const buf of buffers)
req.push(buf);
req.push(null);
break;
}
default:
if (moduleName === undefined)
console.error('Missing parser module name');
else
console.error(`Invalid parser module name: ${moduleName}`);
process.exit(1);
}

@ -0,0 +1,143 @@
'use strict';
function createMultipartBuffers(boundary, sizes) {
const bufs = [];
for (let i = 0; i < sizes.length; ++i) {
const mb = sizes[i] * 1024 * 1024;
bufs.push(Buffer.from([
`--${boundary}`,
`content-disposition: form-data; name="field${i + 1}"`,
'',
'0'.repeat(mb),
'',
].join('\r\n')));
}
bufs.push(Buffer.from([
`--${boundary}--`,
'',
].join('\r\n')));
return bufs;
}
const boundary = '-----------------------------168072824752491622650073';
const buffers = createMultipartBuffers(boundary, (new Array(100)).fill(1));
const calls = {
partBegin: 0,
headerField: 0,
headerValue: 0,
headerEnd: 0,
headersEnd: 0,
partData: 0,
partEnd: 0,
end: 0,
};
const moduleName = process.argv[2];
switch (moduleName) {
case 'busboy': {
const busboy = require('busboy');
const parser = busboy({
limits: {
fieldSizeLimit: Infinity,
},
headers: {
'content-type': `multipart/form-data; boundary=${boundary}`,
},
});
parser.on('field', (name, val, info) => {
++calls.partBegin;
++calls.partData;
++calls.partEnd;
}).on('close', () => {
++calls.end;
console.timeEnd(moduleName);
});
console.time(moduleName);
for (const buf of buffers)
parser.write(buf);
break;
}
case 'formidable': {
const { MultipartParser } = require('formidable');
const parser = new MultipartParser();
parser.initWithBoundary(boundary);
parser.on('data', ({ name }) => {
++calls[name];
if (name === 'end')
console.timeEnd(moduleName);
});
console.time(moduleName);
for (const buf of buffers)
parser.write(buf);
break;
}
case 'multiparty': {
const { Readable } = require('stream');
const { Form } = require('multiparty');
const form = new Form({
maxFieldsSize: Infinity,
maxFields: Infinity,
maxFilesSize: Infinity,
autoFields: false,
autoFiles: false,
});
const req = new Readable({ read: () => {} });
req.headers = {
'content-type': `multipart/form-data; boundary=${boundary}`,
};
function hijack(name, fn) {
const oldFn = form[name];
form[name] = function() {
fn();
return oldFn.apply(this, arguments);
};
}
hijack('onParseHeaderField', () => {
++calls.headerField;
});
hijack('onParseHeaderValue', () => {
++calls.headerValue;
});
hijack('onParsePartBegin', () => {
++calls.partBegin;
});
hijack('onParsePartData', () => {
++calls.partData;
});
hijack('onParsePartEnd', () => {
++calls.partEnd;
});
form.on('close', () => {
++calls.end;
console.timeEnd(moduleName);
}).on('part', (p) => p.resume());
console.time(moduleName);
form.parse(req);
for (const buf of buffers)
req.push(buf);
req.push(null);
break;
}
default:
if (moduleName === undefined)
console.error('Missing parser module name');
else
console.error(`Invalid parser module name: ${moduleName}`);
process.exit(1);
}

@ -0,0 +1,154 @@
'use strict';
function createMultipartBuffers(boundary, sizes) {
const bufs = [];
for (let i = 0; i < sizes.length; ++i) {
const mb = sizes[i] * 1024 * 1024;
bufs.push(Buffer.from([
`--${boundary}`,
`content-disposition: form-data; name="file${i + 1}"; `
+ `filename="random${i + 1}.bin"`,
'content-type: application/octet-stream',
'',
'0'.repeat(mb),
'',
].join('\r\n')));
}
bufs.push(Buffer.from([
`--${boundary}--`,
'',
].join('\r\n')));
return bufs;
}
const boundary = '-----------------------------168072824752491622650073';
const buffers = createMultipartBuffers(boundary, [
10,
10,
10,
20,
50,
]);
const calls = {
partBegin: 0,
headerField: 0,
headerValue: 0,
headerEnd: 0,
headersEnd: 0,
partData: 0,
partEnd: 0,
end: 0,
};
const moduleName = process.argv[2];
switch (moduleName) {
case 'busboy': {
const busboy = require('busboy');
const parser = busboy({
limits: {
fieldSizeLimit: Infinity,
},
headers: {
'content-type': `multipart/form-data; boundary=${boundary}`,
},
});
parser.on('file', (name, stream, info) => {
++calls.partBegin;
stream.on('data', (chunk) => {
++calls.partData;
}).on('end', () => {
++calls.partEnd;
});
}).on('close', () => {
++calls.end;
console.timeEnd(moduleName);
});
console.time(moduleName);
for (const buf of buffers)
parser.write(buf);
break;
}
case 'formidable': {
const { MultipartParser } = require('formidable');
const parser = new MultipartParser();
parser.initWithBoundary(boundary);
parser.on('data', ({ name }) => {
++calls[name];
if (name === 'end')
console.timeEnd(moduleName);
});
console.time(moduleName);
for (const buf of buffers)
parser.write(buf);
break;
}
case 'multiparty': {
const { Readable } = require('stream');
const { Form } = require('multiparty');
const form = new Form({
maxFieldsSize: Infinity,
maxFields: Infinity,
maxFilesSize: Infinity,
autoFields: false,
autoFiles: false,
});
const req = new Readable({ read: () => {} });
req.headers = {
'content-type': `multipart/form-data; boundary=${boundary}`,
};
function hijack(name, fn) {
const oldFn = form[name];
form[name] = function() {
fn();
return oldFn.apply(this, arguments);
};
}
hijack('onParseHeaderField', () => {
++calls.headerField;
});
hijack('onParseHeaderValue', () => {
++calls.headerValue;
});
hijack('onParsePartBegin', () => {
++calls.partBegin;
});
hijack('onParsePartData', () => {
++calls.partData;
});
hijack('onParsePartEnd', () => {
++calls.partEnd;
});
form.on('close', () => {
++calls.end;
console.timeEnd(moduleName);
}).on('part', (p) => p.resume());
console.time(moduleName);
form.parse(req);
for (const buf of buffers)
req.push(buf);
req.push(null);
break;
}
default:
if (moduleName === undefined)
console.error('Missing parser module name');
else
console.error(`Invalid parser module name: ${moduleName}`);
process.exit(1);
}

@ -0,0 +1,148 @@
'use strict';
function createMultipartBuffers(boundary, sizes) {
const bufs = [];
for (let i = 0; i < sizes.length; ++i) {
const mb = sizes[i] * 1024 * 1024;
bufs.push(Buffer.from([
`--${boundary}`,
`content-disposition: form-data; name="file${i + 1}"; `
+ `filename="random${i + 1}.bin"`,
'content-type: application/octet-stream',
'',
'0'.repeat(mb),
'',
].join('\r\n')));
}
bufs.push(Buffer.from([
`--${boundary}--`,
'',
].join('\r\n')));
return bufs;
}
const boundary = '-----------------------------168072824752491622650073';
const buffers = createMultipartBuffers(boundary, (new Array(100)).fill(1));
const calls = {
partBegin: 0,
headerField: 0,
headerValue: 0,
headerEnd: 0,
headersEnd: 0,
partData: 0,
partEnd: 0,
end: 0,
};
const moduleName = process.argv[2];
switch (moduleName) {
case 'busboy': {
const busboy = require('busboy');
const parser = busboy({
limits: {
fieldSizeLimit: Infinity,
},
headers: {
'content-type': `multipart/form-data; boundary=${boundary}`,
},
});
parser.on('file', (name, stream, info) => {
++calls.partBegin;
stream.on('data', (chunk) => {
++calls.partData;
}).on('end', () => {
++calls.partEnd;
});
}).on('close', () => {
++calls.end;
console.timeEnd(moduleName);
});
console.time(moduleName);
for (const buf of buffers)
parser.write(buf);
break;
}
case 'formidable': {
const { MultipartParser } = require('formidable');
const parser = new MultipartParser();
parser.initWithBoundary(boundary);
parser.on('data', ({ name }) => {
++calls[name];
if (name === 'end')
console.timeEnd(moduleName);
});
console.time(moduleName);
for (const buf of buffers)
parser.write(buf);
break;
}
case 'multiparty': {
const { Readable } = require('stream');
const { Form } = require('multiparty');
const form = new Form({
maxFieldsSize: Infinity,
maxFields: Infinity,
maxFilesSize: Infinity,
autoFields: false,
autoFiles: false,
});
const req = new Readable({ read: () => {} });
req.headers = {
'content-type': `multipart/form-data; boundary=${boundary}`,
};
function hijack(name, fn) {
const oldFn = form[name];
form[name] = function() {
fn();
return oldFn.apply(this, arguments);
};
}
hijack('onParseHeaderField', () => {
++calls.headerField;
});
hijack('onParseHeaderValue', () => {
++calls.headerValue;
});
hijack('onParsePartBegin', () => {
++calls.partBegin;
});
hijack('onParsePartData', () => {
++calls.partData;
});
hijack('onParsePartEnd', () => {
++calls.partEnd;
});
form.on('close', () => {
++calls.end;
console.timeEnd(moduleName);
}).on('part', (p) => p.resume());
console.time(moduleName);
form.parse(req);
for (const buf of buffers)
req.push(buf);
req.push(null);
break;
}
default:
if (moduleName === undefined)
console.error('Missing parser module name');
else
console.error(`Invalid parser module name: ${moduleName}`);
process.exit(1);
}

@ -0,0 +1,101 @@
'use strict';
const buffers = [
Buffer.from(
(new Array(100)).fill('').map((_, i) => `key${i}=value${i}`).join('&')
),
];
const calls = {
field: 0,
end: 0,
};
let n = 3e3;
const moduleName = process.argv[2];
switch (moduleName) {
case 'busboy': {
const busboy = require('busboy');
console.time(moduleName);
(function next() {
const parser = busboy({
limits: {
fieldSizeLimit: Infinity,
},
headers: {
'content-type': 'application/x-www-form-urlencoded; charset=utf-8',
},
});
parser.on('field', (name, val, info) => {
++calls.field;
}).on('close', () => {
++calls.end;
if (--n === 0)
console.timeEnd(moduleName);
else
process.nextTick(next);
});
for (const buf of buffers)
parser.write(buf);
parser.end();
})();
break;
}
case 'formidable': {
const QuerystringParser =
require('formidable/src/parsers/Querystring.js');
console.time(moduleName);
(function next() {
const parser = new QuerystringParser();
parser.on('data', (obj) => {
++calls.field;
}).on('end', () => {
++calls.end;
if (--n === 0)
console.timeEnd(moduleName);
else
process.nextTick(next);
});
for (const buf of buffers)
parser.write(buf);
parser.end();
})();
break;
}
case 'formidable-streaming': {
const QuerystringParser =
require('formidable/src/parsers/StreamingQuerystring.js');
console.time(moduleName);
(function next() {
const parser = new QuerystringParser();
parser.on('data', (obj) => {
++calls.field;
}).on('end', () => {
++calls.end;
if (--n === 0)
console.timeEnd(moduleName);
else
process.nextTick(next);
});
for (const buf of buffers)
parser.write(buf);
parser.end();
})();
break;
}
default:
if (moduleName === undefined)
console.error('Missing parser module name');
else
console.error(`Invalid parser module name: ${moduleName}`);
process.exit(1);
}

@ -0,0 +1,84 @@
'use strict';
const buffers = [
Buffer.from(
(new Array(900)).fill('').map((_, i) => `key${i}=value${i}`).join('&')
),
];
const calls = {
field: 0,
end: 0,
};
const moduleName = process.argv[2];
switch (moduleName) {
case 'busboy': {
const busboy = require('busboy');
console.time(moduleName);
const parser = busboy({
limits: {
fieldSizeLimit: Infinity,
},
headers: {
'content-type': 'application/x-www-form-urlencoded; charset=utf-8',
},
});
parser.on('field', (name, val, info) => {
++calls.field;
}).on('close', () => {
++calls.end;
console.timeEnd(moduleName);
});
for (const buf of buffers)
parser.write(buf);
parser.end();
break;
}
case 'formidable': {
const QuerystringParser =
require('formidable/src/parsers/Querystring.js');
console.time(moduleName);
const parser = new QuerystringParser();
parser.on('data', (obj) => {
++calls.field;
}).on('end', () => {
++calls.end;
console.timeEnd(moduleName);
});
for (const buf of buffers)
parser.write(buf);
parser.end();
break;
}
case 'formidable-streaming': {
const QuerystringParser =
require('formidable/src/parsers/StreamingQuerystring.js');
console.time(moduleName);
const parser = new QuerystringParser();
parser.on('data', (obj) => {
++calls.field;
}).on('end', () => {
++calls.end;
console.timeEnd(moduleName);
});
for (const buf of buffers)
parser.write(buf);
parser.end();
break;
}
default:
if (moduleName === undefined)
console.error('Missing parser module name');
else
console.error(`Invalid parser module name: ${moduleName}`);
process.exit(1);
}

@ -0,0 +1,57 @@
'use strict';
const { parseContentType } = require('./utils.js');
function getInstance(cfg) {
const headers = cfg.headers;
const conType = parseContentType(headers['content-type']);
if (!conType)
throw new Error('Malformed content type');
for (const type of TYPES) {
const matched = type.detect(conType);
if (!matched)
continue;
const instanceCfg = {
limits: cfg.limits,
headers,
conType,
highWaterMark: undefined,
fileHwm: undefined,
defCharset: undefined,
defParamCharset: undefined,
preservePath: false,
};
if (cfg.highWaterMark)
instanceCfg.highWaterMark = cfg.highWaterMark;
if (cfg.fileHwm)
instanceCfg.fileHwm = cfg.fileHwm;
instanceCfg.defCharset = cfg.defCharset;
instanceCfg.defParamCharset = cfg.defParamCharset;
instanceCfg.preservePath = cfg.preservePath;
return new type(instanceCfg);
}
throw new Error(`Unsupported content type: ${headers['content-type']}`);
}
// Note: types are explicitly listed here for easier bundling
// See: https://github.com/mscdex/busboy/issues/121
const TYPES = [
require('./types/multipart'),
require('./types/urlencoded'),
].filter(function(typemod) { return typeof typemod.detect === 'function'; });
module.exports = (cfg) => {
if (typeof cfg !== 'object' || cfg === null)
cfg = {};
if (typeof cfg.headers !== 'object'
|| cfg.headers === null
|| typeof cfg.headers['content-type'] !== 'string') {
throw new Error('Missing Content-Type');
}
return getInstance(cfg);
};

@ -0,0 +1,653 @@
'use strict';
const { Readable, Writable } = require('stream');
const StreamSearch = require('streamsearch');
const {
basename,
convertToUTF8,
getDecoder,
parseContentType,
parseDisposition,
} = require('../utils.js');
const BUF_CRLF = Buffer.from('\r\n');
const BUF_CR = Buffer.from('\r');
const BUF_DASH = Buffer.from('-');
function noop() {}
const MAX_HEADER_PAIRS = 2000; // From node
const MAX_HEADER_SIZE = 16 * 1024; // From node (its default value)
const HPARSER_NAME = 0;
const HPARSER_PRE_OWS = 1;
const HPARSER_VALUE = 2;
class HeaderParser {
constructor(cb) {
this.header = Object.create(null);
this.pairCount = 0;
this.byteCount = 0;
this.state = HPARSER_NAME;
this.name = '';
this.value = '';
this.crlf = 0;
this.cb = cb;
}
reset() {
this.header = Object.create(null);
this.pairCount = 0;
this.byteCount = 0;
this.state = HPARSER_NAME;
this.name = '';
this.value = '';
this.crlf = 0;
}
push(chunk, pos, end) {
let start = pos;
while (pos < end) {
switch (this.state) {
case HPARSER_NAME: {
let done = false;
for (; pos < end; ++pos) {
if (this.byteCount === MAX_HEADER_SIZE)
return -1;
++this.byteCount;
const code = chunk[pos];
if (TOKEN[code] !== 1) {
if (code !== 58/* ':' */)
return -1;
this.name += chunk.latin1Slice(start, pos);
if (this.name.length === 0)
return -1;
++pos;
done = true;
this.state = HPARSER_PRE_OWS;
break;
}
}
if (!done) {
this.name += chunk.latin1Slice(start, pos);
break;
}
// FALLTHROUGH
}
case HPARSER_PRE_OWS: {
// Skip optional whitespace
let done = false;
for (; pos < end; ++pos) {
if (this.byteCount === MAX_HEADER_SIZE)
return -1;
++this.byteCount;
const code = chunk[pos];
if (code !== 32/* ' ' */ && code !== 9/* '\t' */) {
start = pos;
done = true;
this.state = HPARSER_VALUE;
break;
}
}
if (!done)
break;
// FALLTHROUGH
}
case HPARSER_VALUE:
switch (this.crlf) {
case 0: // Nothing yet
for (; pos < end; ++pos) {
if (this.byteCount === MAX_HEADER_SIZE)
return -1;
++this.byteCount;
const code = chunk[pos];
if (FIELD_VCHAR[code] !== 1) {
if (code !== 13/* '\r' */)
return -1;
++this.crlf;
break;
}
}
this.value += chunk.latin1Slice(start, pos++);
break;
case 1: // Received CR
if (this.byteCount === MAX_HEADER_SIZE)
return -1;
++this.byteCount;
if (chunk[pos++] !== 10/* '\n' */)
return -1;
++this.crlf;
break;
case 2: { // Received CR LF
if (this.byteCount === MAX_HEADER_SIZE)
return -1;
++this.byteCount;
const code = chunk[pos];
if (code === 32/* ' ' */ || code === 9/* '\t' */) {
// Folded value
start = pos;
this.crlf = 0;
} else {
if (++this.pairCount < MAX_HEADER_PAIRS) {
this.name = this.name.toLowerCase();
if (this.header[this.name] === undefined)
this.header[this.name] = [this.value];
else
this.header[this.name].push(this.value);
}
if (code === 13/* '\r' */) {
++this.crlf;
++pos;
} else {
// Assume start of next header field name
start = pos;
this.crlf = 0;
this.state = HPARSER_NAME;
this.name = '';
this.value = '';
}
}
break;
}
case 3: { // Received CR LF CR
if (this.byteCount === MAX_HEADER_SIZE)
return -1;
++this.byteCount;
if (chunk[pos++] !== 10/* '\n' */)
return -1;
// End of header
const header = this.header;
this.reset();
this.cb(header);
return pos;
}
}
break;
}
}
return pos;
}
}
class FileStream extends Readable {
constructor(opts, owner) {
super(opts);
this.truncated = false;
this._readcb = null;
this.once('end', () => {
// We need to make sure that we call any outstanding _writecb() that is
// associated with this file so that processing of the rest of the form
// can continue. This may not happen if the file stream ends right after
// backpressure kicks in, so we force it here.
this._read();
if (--owner._fileEndsLeft === 0 && owner._finalcb) {
const cb = owner._finalcb;
owner._finalcb = null;
// Make sure other 'end' event handlers get a chance to be executed
// before busboy's 'finish' event is emitted
process.nextTick(cb);
}
});
}
_read(n) {
const cb = this._readcb;
if (cb) {
this._readcb = null;
cb();
}
}
}
const ignoreData = {
push: (chunk, pos) => {},
destroy: () => {},
};
function callAndUnsetCb(self, err) {
const cb = self._writecb;
self._writecb = null;
if (err)
self.destroy(err);
else if (cb)
cb();
}
function nullDecoder(val, hint) {
return val;
}
class Multipart extends Writable {
constructor(cfg) {
const streamOpts = {
autoDestroy: true,
emitClose: true,
highWaterMark: (typeof cfg.highWaterMark === 'number'
? cfg.highWaterMark
: undefined),
};
super(streamOpts);
if (!cfg.conType.params || typeof cfg.conType.params.boundary !== 'string')
throw new Error('Multipart: Boundary not found');
const boundary = cfg.conType.params.boundary;
const paramDecoder = (typeof cfg.defParamCharset === 'string'
&& cfg.defParamCharset
? getDecoder(cfg.defParamCharset)
: nullDecoder);
const defCharset = (cfg.defCharset || 'utf8');
const preservePath = cfg.preservePath;
const fileOpts = {
autoDestroy: true,
emitClose: true,
highWaterMark: (typeof cfg.fileHwm === 'number'
? cfg.fileHwm
: undefined),
};
const limits = cfg.limits;
const fieldSizeLimit = (limits && typeof limits.fieldSize === 'number'
? limits.fieldSize
: 1 * 1024 * 1024);
const fileSizeLimit = (limits && typeof limits.fileSize === 'number'
? limits.fileSize
: Infinity);
const filesLimit = (limits && typeof limits.files === 'number'
? limits.files
: Infinity);
const fieldsLimit = (limits && typeof limits.fields === 'number'
? limits.fields
: Infinity);
const partsLimit = (limits && typeof limits.parts === 'number'
? limits.parts
: Infinity);
let parts = -1; // Account for initial boundary
let fields = 0;
let files = 0;
let skipPart = false;
this._fileEndsLeft = 0;
this._fileStream = undefined;
this._complete = false;
let fileSize = 0;
let field;
let fieldSize = 0;
let partCharset;
let partEncoding;
let partType;
let partName;
let partTruncated = false;
let hitFilesLimit = false;
let hitFieldsLimit = false;
this._hparser = null;
const hparser = new HeaderParser((header) => {
this._hparser = null;
skipPart = false;
partType = 'text/plain';
partCharset = defCharset;
partEncoding = '7bit';
partName = undefined;
partTruncated = false;
let filename;
if (!header['content-disposition']) {
skipPart = true;
return;
}
const disp = parseDisposition(header['content-disposition'][0],
paramDecoder);
if (!disp || disp.type !== 'form-data') {
skipPart = true;
return;
}
if (disp.params) {
if (disp.params.name)
partName = disp.params.name;
if (disp.params['filename*'])
filename = disp.params['filename*'];
else if (disp.params.filename)
filename = disp.params.filename;
if (filename !== undefined && !preservePath)
filename = basename(filename);
}
if (header['content-type']) {
const conType = parseContentType(header['content-type'][0]);
if (conType) {
partType = `${conType.type}/${conType.subtype}`;
if (conType.params && typeof conType.params.charset === 'string')
partCharset = conType.params.charset.toLowerCase();
}
}
if (header['content-transfer-encoding'])
partEncoding = header['content-transfer-encoding'][0].toLowerCase();
if (partType === 'application/octet-stream' || filename !== undefined) {
// File
if (files === filesLimit) {
if (!hitFilesLimit) {
hitFilesLimit = true;
this.emit('filesLimit');
}
skipPart = true;
return;
}
++files;
if (this.listenerCount('file') === 0) {
skipPart = true;
return;
}
fileSize = 0;
this._fileStream = new FileStream(fileOpts, this);
++this._fileEndsLeft;
this.emit(
'file',
partName,
this._fileStream,
{ filename,
encoding: partEncoding,
mimeType: partType }
);
} else {
// Non-file
if (fields === fieldsLimit) {
if (!hitFieldsLimit) {
hitFieldsLimit = true;
this.emit('fieldsLimit');
}
skipPart = true;
return;
}
++fields;
if (this.listenerCount('field') === 0) {
skipPart = true;
return;
}
field = [];
fieldSize = 0;
}
});
let matchPostBoundary = 0;
const ssCb = (isMatch, data, start, end, isDataSafe) => {
retrydata:
while (data) {
if (this._hparser !== null) {
const ret = this._hparser.push(data, start, end);
if (ret === -1) {
this._hparser = null;
hparser.reset();
this.emit('error', new Error('Malformed part header'));
break;
}
start = ret;
}
if (start === end)
break;
if (matchPostBoundary !== 0) {
if (matchPostBoundary === 1) {
switch (data[start]) {
case 45: // '-'
// Try matching '--' after boundary
matchPostBoundary = 2;
++start;
break;
case 13: // '\r'
// Try matching CR LF before header
matchPostBoundary = 3;
++start;
break;
default:
matchPostBoundary = 0;
}
if (start === end)
return;
}
if (matchPostBoundary === 2) {
matchPostBoundary = 0;
if (data[start] === 45/* '-' */) {
// End of multipart data
this._complete = true;
this._bparser = ignoreData;
return;
}
// We saw something other than '-', so put the dash we consumed
// "back"
const writecb = this._writecb;
this._writecb = noop;
ssCb(false, BUF_DASH, 0, 1, false);
this._writecb = writecb;
} else if (matchPostBoundary === 3) {
matchPostBoundary = 0;
if (data[start] === 10/* '\n' */) {
++start;
if (parts >= partsLimit)
break;
// Prepare the header parser
this._hparser = hparser;
if (start === end)
break;
// Process the remaining data as a header
continue retrydata;
} else {
// We saw something other than LF, so put the CR we consumed
// "back"
const writecb = this._writecb;
this._writecb = noop;
ssCb(false, BUF_CR, 0, 1, false);
this._writecb = writecb;
}
}
}
if (!skipPart) {
if (this._fileStream) {
let chunk;
const actualLen = Math.min(end - start, fileSizeLimit - fileSize);
if (!isDataSafe) {
chunk = Buffer.allocUnsafe(actualLen);
data.copy(chunk, 0, start, start + actualLen);
} else {
chunk = data.slice(start, start + actualLen);
}
fileSize += chunk.length;
if (fileSize === fileSizeLimit) {
if (chunk.length > 0)
this._fileStream.push(chunk);
this._fileStream.emit('limit');
this._fileStream.truncated = true;
skipPart = true;
} else if (!this._fileStream.push(chunk)) {
if (this._writecb)
this._fileStream._readcb = this._writecb;
this._writecb = null;
}
} else if (field !== undefined) {
let chunk;
const actualLen = Math.min(
end - start,
fieldSizeLimit - fieldSize
);
if (!isDataSafe) {
chunk = Buffer.allocUnsafe(actualLen);
data.copy(chunk, 0, start, start + actualLen);
} else {
chunk = data.slice(start, start + actualLen);
}
fieldSize += actualLen;
field.push(chunk);
if (fieldSize === fieldSizeLimit) {
skipPart = true;
partTruncated = true;
}
}
}
break;
}
if (isMatch) {
matchPostBoundary = 1;
if (this._fileStream) {
// End the active file stream if the previous part was a file
this._fileStream.push(null);
this._fileStream = null;
} else if (field !== undefined) {
let data;
switch (field.length) {
case 0:
data = '';
break;
case 1:
data = convertToUTF8(field[0], partCharset, 0);
break;
default:
data = convertToUTF8(
Buffer.concat(field, fieldSize),
partCharset,
0
);
}
field = undefined;
fieldSize = 0;
this.emit(
'field',
partName,
data,
{ nameTruncated: false,
valueTruncated: partTruncated,
encoding: partEncoding,
mimeType: partType }
);
}
if (++parts === partsLimit)
this.emit('partsLimit');
}
};
this._bparser = new StreamSearch(`\r\n--${boundary}`, ssCb);
this._writecb = null;
this._finalcb = null;
// Just in case there is no preamble
this.write(BUF_CRLF);
}
static detect(conType) {
return (conType.type === 'multipart' && conType.subtype === 'form-data');
}
_write(chunk, enc, cb) {
this._writecb = cb;
this._bparser.push(chunk, 0);
if (this._writecb)
callAndUnsetCb(this);
}
_destroy(err, cb) {
this._hparser = null;
this._bparser = ignoreData;
if (!err)
err = checkEndState(this);
const fileStream = this._fileStream;
if (fileStream) {
this._fileStream = null;
fileStream.destroy(err);
}
cb(err);
}
_final(cb) {
this._bparser.destroy();
if (!this._complete)
return cb(new Error('Unexpected end of form'));
if (this._fileEndsLeft)
this._finalcb = finalcb.bind(null, this, cb);
else
finalcb(this, cb);
}
}
function finalcb(self, cb, err) {
if (err)
return cb(err);
err = checkEndState(self);
cb(err);
}
function checkEndState(self) {
if (self._hparser)
return new Error('Malformed part header');
const fileStream = self._fileStream;
if (fileStream) {
self._fileStream = null;
fileStream.destroy(new Error('Unexpected end of file'));
}
if (!self._complete)
return new Error('Unexpected end of form');
}
const TOKEN = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
];
const FIELD_VCHAR = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
];
module.exports = Multipart;

@ -0,0 +1,350 @@
'use strict';
const { Writable } = require('stream');
const { getDecoder } = require('../utils.js');
class URLEncoded extends Writable {
constructor(cfg) {
const streamOpts = {
autoDestroy: true,
emitClose: true,
highWaterMark: (typeof cfg.highWaterMark === 'number'
? cfg.highWaterMark
: undefined),
};
super(streamOpts);
let charset = (cfg.defCharset || 'utf8');
if (cfg.conType.params && typeof cfg.conType.params.charset === 'string')
charset = cfg.conType.params.charset;
this.charset = charset;
const limits = cfg.limits;
this.fieldSizeLimit = (limits && typeof limits.fieldSize === 'number'
? limits.fieldSize
: 1 * 1024 * 1024);
this.fieldsLimit = (limits && typeof limits.fields === 'number'
? limits.fields
: Infinity);
this.fieldNameSizeLimit = (
limits && typeof limits.fieldNameSize === 'number'
? limits.fieldNameSize
: 100
);
this._inKey = true;
this._keyTrunc = false;
this._valTrunc = false;
this._bytesKey = 0;
this._bytesVal = 0;
this._fields = 0;
this._key = '';
this._val = '';
this._byte = -2;
this._lastPos = 0;
this._encode = 0;
this._decoder = getDecoder(charset);
}
static detect(conType) {
return (conType.type === 'application'
&& conType.subtype === 'x-www-form-urlencoded');
}
_write(chunk, enc, cb) {
if (this._fields >= this.fieldsLimit)
return cb();
let i = 0;
const len = chunk.length;
this._lastPos = 0;
// Check if we last ended mid-percent-encoded byte
if (this._byte !== -2) {
i = readPctEnc(this, chunk, i, len);
if (i === -1)
return cb(new Error('Malformed urlencoded form'));
if (i >= len)
return cb();
if (this._inKey)
++this._bytesKey;
else
++this._bytesVal;
}
main:
while (i < len) {
if (this._inKey) {
// Parsing key
i = skipKeyBytes(this, chunk, i, len);
while (i < len) {
switch (chunk[i]) {
case 61: // '='
if (this._lastPos < i)
this._key += chunk.latin1Slice(this._lastPos, i);
this._lastPos = ++i;
this._key = this._decoder(this._key, this._encode);
this._encode = 0;
this._inKey = false;
continue main;
case 38: // '&'
if (this._lastPos < i)
this._key += chunk.latin1Slice(this._lastPos, i);
this._lastPos = ++i;
this._key = this._decoder(this._key, this._encode);
this._encode = 0;
if (this._bytesKey > 0) {
this.emit(
'field',
this._key,
'',
{ nameTruncated: this._keyTrunc,
valueTruncated: false,
encoding: this.charset,
mimeType: 'text/plain' }
);
}
this._key = '';
this._val = '';
this._keyTrunc = false;
this._valTrunc = false;
this._bytesKey = 0;
this._bytesVal = 0;
if (++this._fields >= this.fieldsLimit) {
this.emit('fieldsLimit');
return cb();
}
continue;
case 43: // '+'
if (this._lastPos < i)
this._key += chunk.latin1Slice(this._lastPos, i);
this._key += ' ';
this._lastPos = i + 1;
break;
case 37: // '%'
if (this._encode === 0)
this._encode = 1;
if (this._lastPos < i)
this._key += chunk.latin1Slice(this._lastPos, i);
this._lastPos = i + 1;
this._byte = -1;
i = readPctEnc(this, chunk, i + 1, len);
if (i === -1)
return cb(new Error('Malformed urlencoded form'));
if (i >= len)
return cb();
++this._bytesKey;
i = skipKeyBytes(this, chunk, i, len);
continue;
}
++i;
++this._bytesKey;
i = skipKeyBytes(this, chunk, i, len);
}
if (this._lastPos < i)
this._key += chunk.latin1Slice(this._lastPos, i);
} else {
// Parsing value
i = skipValBytes(this, chunk, i, len);
while (i < len) {
switch (chunk[i]) {
case 38: // '&'
if (this._lastPos < i)
this._val += chunk.latin1Slice(this._lastPos, i);
this._lastPos = ++i;
this._inKey = true;
this._val = this._decoder(this._val, this._encode);
this._encode = 0;
if (this._bytesKey > 0 || this._bytesVal > 0) {
this.emit(
'field',
this._key,
this._val,
{ nameTruncated: this._keyTrunc,
valueTruncated: this._valTrunc,
encoding: this.charset,
mimeType: 'text/plain' }
);
}
this._key = '';
this._val = '';
this._keyTrunc = false;
this._valTrunc = false;
this._bytesKey = 0;
this._bytesVal = 0;
if (++this._fields >= this.fieldsLimit) {
this.emit('fieldsLimit');
return cb();
}
continue main;
case 43: // '+'
if (this._lastPos < i)
this._val += chunk.latin1Slice(this._lastPos, i);
this._val += ' ';
this._lastPos = i + 1;
break;
case 37: // '%'
if (this._encode === 0)
this._encode = 1;
if (this._lastPos < i)
this._val += chunk.latin1Slice(this._lastPos, i);
this._lastPos = i + 1;
this._byte = -1;
i = readPctEnc(this, chunk, i + 1, len);
if (i === -1)
return cb(new Error('Malformed urlencoded form'));
if (i >= len)
return cb();
++this._bytesVal;
i = skipValBytes(this, chunk, i, len);
continue;
}
++i;
++this._bytesVal;
i = skipValBytes(this, chunk, i, len);
}
if (this._lastPos < i)
this._val += chunk.latin1Slice(this._lastPos, i);
}
}
cb();
}
_final(cb) {
if (this._byte !== -2)
return cb(new Error('Malformed urlencoded form'));
if (!this._inKey || this._bytesKey > 0 || this._bytesVal > 0) {
if (this._inKey)
this._key = this._decoder(this._key, this._encode);
else
this._val = this._decoder(this._val, this._encode);
this.emit(
'field',
this._key,
this._val,
{ nameTruncated: this._keyTrunc,
valueTruncated: this._valTrunc,
encoding: this.charset,
mimeType: 'text/plain' }
);
}
cb();
}
}
function readPctEnc(self, chunk, pos, len) {
if (pos >= len)
return len;
if (self._byte === -1) {
// We saw a '%' but no hex characters yet
const hexUpper = HEX_VALUES[chunk[pos++]];
if (hexUpper === -1)
return -1;
if (hexUpper >= 8)
self._encode = 2; // Indicate high bits detected
if (pos < len) {
// Both hex characters are in this chunk
const hexLower = HEX_VALUES[chunk[pos++]];
if (hexLower === -1)
return -1;
if (self._inKey)
self._key += String.fromCharCode((hexUpper << 4) + hexLower);
else
self._val += String.fromCharCode((hexUpper << 4) + hexLower);
self._byte = -2;
self._lastPos = pos;
} else {
// Only one hex character was available in this chunk
self._byte = hexUpper;
}
} else {
// We saw only one hex character so far
const hexLower = HEX_VALUES[chunk[pos++]];
if (hexLower === -1)
return -1;
if (self._inKey)
self._key += String.fromCharCode((self._byte << 4) + hexLower);
else
self._val += String.fromCharCode((self._byte << 4) + hexLower);
self._byte = -2;
self._lastPos = pos;
}
return pos;
}
function skipKeyBytes(self, chunk, pos, len) {
// Skip bytes if we've truncated
if (self._bytesKey > self.fieldNameSizeLimit) {
if (!self._keyTrunc) {
if (self._lastPos < pos)
self._key += chunk.latin1Slice(self._lastPos, pos - 1);
}
self._keyTrunc = true;
for (; pos < len; ++pos) {
const code = chunk[pos];
if (code === 61/* '=' */ || code === 38/* '&' */)
break;
++self._bytesKey;
}
self._lastPos = pos;
}
return pos;
}
function skipValBytes(self, chunk, pos, len) {
// Skip bytes if we've truncated
if (self._bytesVal > self.fieldSizeLimit) {
if (!self._valTrunc) {
if (self._lastPos < pos)
self._val += chunk.latin1Slice(self._lastPos, pos - 1);
}
self._valTrunc = true;
for (; pos < len; ++pos) {
if (chunk[pos] === 38/* '&' */)
break;
++self._bytesVal;
}
self._lastPos = pos;
}
return pos;
}
/* eslint-disable no-multi-spaces */
const HEX_VALUES = [
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1,
-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
];
/* eslint-enable no-multi-spaces */
module.exports = URLEncoded;

@ -0,0 +1,596 @@
'use strict';
function parseContentType(str) {
if (str.length === 0)
return;
const params = Object.create(null);
let i = 0;
// Parse type
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (TOKEN[code] !== 1) {
if (code !== 47/* '/' */ || i === 0)
return;
break;
}
}
// Check for type without subtype
if (i === str.length)
return;
const type = str.slice(0, i).toLowerCase();
// Parse subtype
const subtypeStart = ++i;
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (TOKEN[code] !== 1) {
// Make sure we have a subtype
if (i === subtypeStart)
return;
if (parseContentTypeParams(str, i, params) === undefined)
return;
break;
}
}
// Make sure we have a subtype
if (i === subtypeStart)
return;
const subtype = str.slice(subtypeStart, i).toLowerCase();
return { type, subtype, params };
}
function parseContentTypeParams(str, i, params) {
while (i < str.length) {
// Consume whitespace
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (code !== 32/* ' ' */ && code !== 9/* '\t' */)
break;
}
// Ended on whitespace
if (i === str.length)
break;
// Check for malformed parameter
if (str.charCodeAt(i++) !== 59/* ';' */)
return;
// Consume whitespace
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (code !== 32/* ' ' */ && code !== 9/* '\t' */)
break;
}
// Ended on whitespace (malformed)
if (i === str.length)
return;
let name;
const nameStart = i;
// Parse parameter name
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (TOKEN[code] !== 1) {
if (code !== 61/* '=' */)
return;
break;
}
}
// No value (malformed)
if (i === str.length)
return;
name = str.slice(nameStart, i);
++i; // Skip over '='
// No value (malformed)
if (i === str.length)
return;
let value = '';
let valueStart;
if (str.charCodeAt(i) === 34/* '"' */) {
valueStart = ++i;
let escaping = false;
// Parse quoted value
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (code === 92/* '\\' */) {
if (escaping) {
valueStart = i;
escaping = false;
} else {
value += str.slice(valueStart, i);
escaping = true;
}
continue;
}
if (code === 34/* '"' */) {
if (escaping) {
valueStart = i;
escaping = false;
continue;
}
value += str.slice(valueStart, i);
break;
}
if (escaping) {
valueStart = i - 1;
escaping = false;
}
// Invalid unescaped quoted character (malformed)
if (QDTEXT[code] !== 1)
return;
}
// No end quote (malformed)
if (i === str.length)
return;
++i; // Skip over double quote
} else {
valueStart = i;
// Parse unquoted value
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (TOKEN[code] !== 1) {
// No value (malformed)
if (i === valueStart)
return;
break;
}
}
value = str.slice(valueStart, i);
}
name = name.toLowerCase();
if (params[name] === undefined)
params[name] = value;
}
return params;
}
function parseDisposition(str, defDecoder) {
if (str.length === 0)
return;
const params = Object.create(null);
let i = 0;
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (TOKEN[code] !== 1) {
if (parseDispositionParams(str, i, params, defDecoder) === undefined)
return;
break;
}
}
const type = str.slice(0, i).toLowerCase();
return { type, params };
}
function parseDispositionParams(str, i, params, defDecoder) {
while (i < str.length) {
// Consume whitespace
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (code !== 32/* ' ' */ && code !== 9/* '\t' */)
break;
}
// Ended on whitespace
if (i === str.length)
break;
// Check for malformed parameter
if (str.charCodeAt(i++) !== 59/* ';' */)
return;
// Consume whitespace
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (code !== 32/* ' ' */ && code !== 9/* '\t' */)
break;
}
// Ended on whitespace (malformed)
if (i === str.length)
return;
let name;
const nameStart = i;
// Parse parameter name
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (TOKEN[code] !== 1) {
if (code === 61/* '=' */)
break;
return;
}
}
// No value (malformed)
if (i === str.length)
return;
let value = '';
let valueStart;
let charset;
//~ let lang;
name = str.slice(nameStart, i);
if (name.charCodeAt(name.length - 1) === 42/* '*' */) {
// Extended value
const charsetStart = ++i;
// Parse charset name
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (CHARSET[code] !== 1) {
if (code !== 39/* '\'' */)
return;
break;
}
}
// Incomplete charset (malformed)
if (i === str.length)
return;
charset = str.slice(charsetStart, i);
++i; // Skip over the '\''
//~ const langStart = ++i;
// Parse language name
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (code === 39/* '\'' */)
break;
}
// Incomplete language (malformed)
if (i === str.length)
return;
//~ lang = str.slice(langStart, i);
++i; // Skip over the '\''
// No value (malformed)
if (i === str.length)
return;
valueStart = i;
let encode = 0;
// Parse value
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (EXTENDED_VALUE[code] !== 1) {
if (code === 37/* '%' */) {
let hexUpper;
let hexLower;
if (i + 2 < str.length
&& (hexUpper = HEX_VALUES[str.charCodeAt(i + 1)]) !== -1
&& (hexLower = HEX_VALUES[str.charCodeAt(i + 2)]) !== -1) {
const byteVal = (hexUpper << 4) + hexLower;
value += str.slice(valueStart, i);
value += String.fromCharCode(byteVal);
i += 2;
valueStart = i + 1;
if (byteVal >= 128)
encode = 2;
else if (encode === 0)
encode = 1;
continue;
}
// '%' disallowed in non-percent encoded contexts (malformed)
return;
}
break;
}
}
value += str.slice(valueStart, i);
value = convertToUTF8(value, charset, encode);
if (value === undefined)
return;
} else {
// Non-extended value
++i; // Skip over '='
// No value (malformed)
if (i === str.length)
return;
if (str.charCodeAt(i) === 34/* '"' */) {
valueStart = ++i;
let escaping = false;
// Parse quoted value
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (code === 92/* '\\' */) {
if (escaping) {
valueStart = i;
escaping = false;
} else {
value += str.slice(valueStart, i);
escaping = true;
}
continue;
}
if (code === 34/* '"' */) {
if (escaping) {
valueStart = i;
escaping = false;
continue;
}
value += str.slice(valueStart, i);
break;
}
if (escaping) {
valueStart = i - 1;
escaping = false;
}
// Invalid unescaped quoted character (malformed)
if (QDTEXT[code] !== 1)
return;
}
// No end quote (malformed)
if (i === str.length)
return;
++i; // Skip over double quote
} else {
valueStart = i;
// Parse unquoted value
for (; i < str.length; ++i) {
const code = str.charCodeAt(i);
if (TOKEN[code] !== 1) {
// No value (malformed)
if (i === valueStart)
return;
break;
}
}
value = str.slice(valueStart, i);
}
value = defDecoder(value, 2);
if (value === undefined)
return;
}
name = name.toLowerCase();
if (params[name] === undefined)
params[name] = value;
}
return params;
}
function getDecoder(charset) {
let lc;
while (true) {
switch (charset) {
case 'utf-8':
case 'utf8':
return decoders.utf8;
case 'latin1':
case 'ascii': // TODO: Make these a separate, strict decoder?
case 'us-ascii':
case 'iso-8859-1':
case 'iso8859-1':
case 'iso88591':
case 'iso_8859-1':
case 'windows-1252':
case 'iso_8859-1:1987':
case 'cp1252':
case 'x-cp1252':
return decoders.latin1;
case 'utf16le':
case 'utf-16le':
case 'ucs2':
case 'ucs-2':
return decoders.utf16le;
case 'base64':
return decoders.base64;
default:
if (lc === undefined) {
lc = true;
charset = charset.toLowerCase();
continue;
}
return decoders.other.bind(charset);
}
}
}
const decoders = {
utf8: (data, hint) => {
if (data.length === 0)
return '';
if (typeof data === 'string') {
// If `data` never had any percent-encoded bytes or never had any that
// were outside of the ASCII range, then we can safely just return the
// input since UTF-8 is ASCII compatible
if (hint < 2)
return data;
data = Buffer.from(data, 'latin1');
}
return data.utf8Slice(0, data.length);
},
latin1: (data, hint) => {
if (data.length === 0)
return '';
if (typeof data === 'string')
return data;
return data.latin1Slice(0, data.length);
},
utf16le: (data, hint) => {
if (data.length === 0)
return '';
if (typeof data === 'string')
data = Buffer.from(data, 'latin1');
return data.ucs2Slice(0, data.length);
},
base64: (data, hint) => {
if (data.length === 0)
return '';
if (typeof data === 'string')
data = Buffer.from(data, 'latin1');
return data.base64Slice(0, data.length);
},
other: (data, hint) => {
if (data.length === 0)
return '';
if (typeof data === 'string')
data = Buffer.from(data, 'latin1');
try {
const decoder = new TextDecoder(this);
return decoder.decode(data);
} catch {}
},
};
function convertToUTF8(data, charset, hint) {
const decode = getDecoder(charset);
if (decode)
return decode(data, hint);
}
function basename(path) {
if (typeof path !== 'string')
return '';
for (let i = path.length - 1; i >= 0; --i) {
switch (path.charCodeAt(i)) {
case 0x2F: // '/'
case 0x5C: // '\'
path = path.slice(i + 1);
return (path === '..' || path === '.' ? '' : path);
}
}
return (path === '..' || path === '.' ? '' : path);
}
const TOKEN = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
];
const QDTEXT = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
];
const CHARSET = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
];
const EXTENDED_VALUE = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
];
/* eslint-disable no-multi-spaces */
const HEX_VALUES = [
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1,
-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
];
/* eslint-enable no-multi-spaces */
module.exports = {
basename,
convertToUTF8,
getDecoder,
parseContentType,
parseDisposition,
};

@ -0,0 +1,22 @@
{ "name": "busboy",
"version": "1.6.0",
"author": "Brian White <mscdex@mscdex.net>",
"description": "A streaming parser for HTML form data for node.js",
"main": "./lib/index.js",
"dependencies": {
"streamsearch": "^1.1.0"
},
"devDependencies": {
"@mscdex/eslint-config": "^1.1.0",
"eslint": "^7.32.0"
},
"scripts": {
"test": "node test/test.js",
"lint": "eslint --cache --report-unused-disable-directives --ext=.js .eslintrc.js lib test bench",
"lint:fix": "npm run lint -- --fix"
},
"engines": { "node": ">=10.16.0" },
"keywords": [ "uploads", "forms", "multipart", "form-data" ],
"licenses": [ { "type": "MIT", "url": "http://github.com/mscdex/busboy/raw/master/LICENSE" } ],
"repository": { "type": "git", "url": "http://github.com/mscdex/busboy.git" }
}

@ -0,0 +1,109 @@
'use strict';
const assert = require('assert');
const { inspect } = require('util');
const mustCallChecks = [];
function noop() {}
function runCallChecks(exitCode) {
if (exitCode !== 0) return;
const failed = mustCallChecks.filter((context) => {
if ('minimum' in context) {
context.messageSegment = `at least ${context.minimum}`;
return context.actual < context.minimum;
}
context.messageSegment = `exactly ${context.exact}`;
return context.actual !== context.exact;
});
failed.forEach((context) => {
console.error('Mismatched %s function calls. Expected %s, actual %d.',
context.name,
context.messageSegment,
context.actual);
console.error(context.stack.split('\n').slice(2).join('\n'));
});
if (failed.length)
process.exit(1);
}
function mustCall(fn, exact) {
return _mustCallInner(fn, exact, 'exact');
}
function mustCallAtLeast(fn, minimum) {
return _mustCallInner(fn, minimum, 'minimum');
}
function _mustCallInner(fn, criteria = 1, field) {
if (process._exiting)
throw new Error('Cannot use common.mustCall*() in process exit handler');
if (typeof fn === 'number') {
criteria = fn;
fn = noop;
} else if (fn === undefined) {
fn = noop;
}
if (typeof criteria !== 'number')
throw new TypeError(`Invalid ${field} value: ${criteria}`);
const context = {
[field]: criteria,
actual: 0,
stack: inspect(new Error()),
name: fn.name || '<anonymous>'
};
// Add the exit listener only once to avoid listener leak warnings
if (mustCallChecks.length === 0)
process.on('exit', runCallChecks);
mustCallChecks.push(context);
function wrapped(...args) {
++context.actual;
return fn.call(this, ...args);
}
// TODO: remove origFn?
wrapped.origFn = fn;
return wrapped;
}
function getCallSite(top) {
const originalStackFormatter = Error.prepareStackTrace;
Error.prepareStackTrace = (err, stack) =>
`${stack[0].getFileName()}:${stack[0].getLineNumber()}`;
const err = new Error();
Error.captureStackTrace(err, top);
// With the V8 Error API, the stack is not formatted until it is accessed
// eslint-disable-next-line no-unused-expressions
err.stack;
Error.prepareStackTrace = originalStackFormatter;
return err.stack;
}
function mustNotCall(msg) {
const callSite = getCallSite(mustNotCall);
return function mustNotCall(...args) {
args = args.map(inspect).join(', ');
const argsInfo = (args.length > 0
? `\ncalled with arguments: ${args}`
: '');
assert.fail(
`${msg || 'function should not have been called'} at ${callSite}`
+ argsInfo);
};
}
module.exports = {
mustCall,
mustCallAtLeast,
mustNotCall,
};

@ -0,0 +1,94 @@
'use strict';
const assert = require('assert');
const { inspect } = require('util');
const { mustCall } = require(`${__dirname}/common.js`);
const busboy = require('..');
const input = Buffer.from([
'-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
'Content-Disposition: form-data; '
+ 'name="upload_file_0"; filename="テスト.dat"',
'Content-Type: application/octet-stream',
'',
'A'.repeat(1023),
'-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k--'
].join('\r\n'));
const boundary = '---------------------------paZqsnEHRufoShdX6fh0lUhXBP4k';
const expected = [
{ type: 'file',
name: 'upload_file_0',
data: Buffer.from('A'.repeat(1023)),
info: {
filename: 'テスト.dat',
encoding: '7bit',
mimeType: 'application/octet-stream',
},
limited: false,
},
];
const bb = busboy({
defParamCharset: 'utf8',
headers: {
'content-type': `multipart/form-data; boundary=${boundary}`,
}
});
const results = [];
bb.on('field', (name, val, info) => {
results.push({ type: 'field', name, val, info });
});
bb.on('file', (name, stream, info) => {
const data = [];
let nb = 0;
const file = {
type: 'file',
name,
data: null,
info,
limited: false,
};
results.push(file);
stream.on('data', (d) => {
data.push(d);
nb += d.length;
}).on('limit', () => {
file.limited = true;
}).on('close', () => {
file.data = Buffer.concat(data, nb);
assert.strictEqual(stream.truncated, file.limited);
}).once('error', (err) => {
file.err = err.message;
});
});
bb.on('error', (err) => {
results.push({ error: err.message });
});
bb.on('partsLimit', () => {
results.push('partsLimit');
});
bb.on('filesLimit', () => {
results.push('filesLimit');
});
bb.on('fieldsLimit', () => {
results.push('fieldsLimit');
});
bb.on('close', mustCall(() => {
assert.deepStrictEqual(
results,
expected,
'Results mismatch.\n'
+ `Parsed: ${inspect(results)}\n`
+ `Expected: ${inspect(expected)}`
);
}));
bb.end(input);

@ -0,0 +1,102 @@
'use strict';
const assert = require('assert');
const { randomFillSync } = require('crypto');
const { inspect } = require('util');
const busboy = require('..');
const { mustCall } = require('./common.js');
const BOUNDARY = 'u2KxIV5yF1y+xUspOQCCZopaVgeV6Jxihv35XQJmuTx8X3sh';
function formDataSection(key, value) {
return Buffer.from(
`\r\n--${BOUNDARY}`
+ `\r\nContent-Disposition: form-data; name="${key}"`
+ `\r\n\r\n${value}`
);
}
function formDataFile(key, filename, contentType) {
const buf = Buffer.allocUnsafe(100000);
return Buffer.concat([
Buffer.from(`\r\n--${BOUNDARY}\r\n`),
Buffer.from(`Content-Disposition: form-data; name="${key}"`
+ `; filename="${filename}"\r\n`),
Buffer.from(`Content-Type: ${contentType}\r\n\r\n`),
randomFillSync(buf)
]);
}
const reqChunks = [
Buffer.concat([
formDataFile('file', 'file.bin', 'application/octet-stream'),
formDataSection('foo', 'foo value'),
]),
formDataSection('bar', 'bar value'),
Buffer.from(`\r\n--${BOUNDARY}--\r\n`)
];
const bb = busboy({
headers: {
'content-type': `multipart/form-data; boundary=${BOUNDARY}`
}
});
const expected = [
{ type: 'file',
name: 'file',
info: {
filename: 'file.bin',
encoding: '7bit',
mimeType: 'application/octet-stream',
},
},
{ type: 'field',
name: 'foo',
val: 'foo value',
info: {
nameTruncated: false,
valueTruncated: false,
encoding: '7bit',
mimeType: 'text/plain',
},
},
{ type: 'field',
name: 'bar',
val: 'bar value',
info: {
nameTruncated: false,
valueTruncated: false,
encoding: '7bit',
mimeType: 'text/plain',
},
},
];
const results = [];
bb.on('field', (name, val, info) => {
results.push({ type: 'field', name, val, info });
});
bb.on('file', (name, stream, info) => {
results.push({ type: 'file', name, info });
// Simulate a pipe where the destination is pausing (perhaps due to waiting
// for file system write to finish)
setTimeout(() => {
stream.resume();
}, 10);
});
bb.on('close', mustCall(() => {
assert.deepStrictEqual(
results,
expected,
'Results mismatch.\n'
+ `Parsed: ${inspect(results)}\n`
+ `Expected: ${inspect(expected)}`
);
}));
for (const chunk of reqChunks)
bb.write(chunk);
bb.end();

File diff suppressed because it is too large Load Diff

@ -0,0 +1,488 @@
'use strict';
const assert = require('assert');
const { transcode } = require('buffer');
const { inspect } = require('util');
const busboy = require('..');
const active = new Map();
const tests = [
{ source: ['foo'],
expected: [
['foo',
'',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Unassigned value'
},
{ source: ['foo=bar'],
expected: [
['foo',
'bar',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Assigned value'
},
{ source: ['foo&bar=baz'],
expected: [
['foo',
'',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['bar',
'baz',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Unassigned and assigned value'
},
{ source: ['foo=bar&baz'],
expected: [
['foo',
'bar',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['baz',
'',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Assigned and unassigned value'
},
{ source: ['foo=bar&baz=bla'],
expected: [
['foo',
'bar',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['baz',
'bla',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Two assigned values'
},
{ source: ['foo&bar'],
expected: [
['foo',
'',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['bar',
'',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Two unassigned values'
},
{ source: ['foo&bar&'],
expected: [
['foo',
'',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['bar',
'',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Two unassigned values and ampersand'
},
{ source: ['foo+1=bar+baz%2Bquux'],
expected: [
['foo 1',
'bar baz+quux',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Assigned key and value with (plus) space'
},
{ source: ['foo=bar%20baz%21'],
expected: [
['foo',
'bar baz!',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Assigned value with encoded bytes'
},
{ source: ['foo%20bar=baz%20bla%21'],
expected: [
['foo bar',
'baz bla!',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Assigned value with encoded bytes #2'
},
{ source: ['foo=bar%20baz%21&num=1000'],
expected: [
['foo',
'bar baz!',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['num',
'1000',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Two assigned values, one with encoded bytes'
},
{ source: [
Array.from(transcode(Buffer.from('foo'), 'utf8', 'utf16le')).map(
(n) => `%${n.toString(16).padStart(2, '0')}`
).join(''),
'=',
Array.from(transcode(Buffer.from('😀!'), 'utf8', 'utf16le')).map(
(n) => `%${n.toString(16).padStart(2, '0')}`
).join(''),
],
expected: [
['foo',
'😀!',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'UTF-16LE',
mimeType: 'text/plain' },
],
],
charset: 'UTF-16LE',
what: 'Encoded value with multi-byte charset'
},
{ source: [
'foo=<',
Array.from(transcode(Buffer.from('©:^þ'), 'utf8', 'latin1')).map(
(n) => `%${n.toString(16).padStart(2, '0')}`
).join(''),
],
expected: [
['foo',
'<©:^þ',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'ISO-8859-1',
mimeType: 'text/plain' },
],
],
charset: 'ISO-8859-1',
what: 'Encoded value with single-byte, ASCII-compatible, non-UTF8 charset'
},
{ source: ['foo=bar&baz=bla'],
expected: [],
what: 'Limits: zero fields',
limits: { fields: 0 }
},
{ source: ['foo=bar&baz=bla'],
expected: [
['foo',
'bar',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Limits: one field',
limits: { fields: 1 }
},
{ source: ['foo=bar&baz=bla'],
expected: [
['foo',
'bar',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['baz',
'bla',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Limits: field part lengths match limits',
limits: { fieldNameSize: 3, fieldSize: 3 }
},
{ source: ['foo=bar&baz=bla'],
expected: [
['fo',
'bar',
{ nameTruncated: true,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['ba',
'bla',
{ nameTruncated: true,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Limits: truncated field name',
limits: { fieldNameSize: 2 }
},
{ source: ['foo=bar&baz=bla'],
expected: [
['foo',
'ba',
{ nameTruncated: false,
valueTruncated: true,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['baz',
'bl',
{ nameTruncated: false,
valueTruncated: true,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Limits: truncated field value',
limits: { fieldSize: 2 }
},
{ source: ['foo=bar&baz=bla'],
expected: [
['fo',
'ba',
{ nameTruncated: true,
valueTruncated: true,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['ba',
'bl',
{ nameTruncated: true,
valueTruncated: true,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Limits: truncated field name and value',
limits: { fieldNameSize: 2, fieldSize: 2 }
},
{ source: ['foo=bar&baz=bla'],
expected: [
['fo',
'',
{ nameTruncated: true,
valueTruncated: true,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['ba',
'',
{ nameTruncated: true,
valueTruncated: true,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Limits: truncated field name and zero value limit',
limits: { fieldNameSize: 2, fieldSize: 0 }
},
{ source: ['foo=bar&baz=bla'],
expected: [
['',
'',
{ nameTruncated: true,
valueTruncated: true,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
['',
'',
{ nameTruncated: true,
valueTruncated: true,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Limits: truncated zero field name and zero value limit',
limits: { fieldNameSize: 0, fieldSize: 0 }
},
{ source: ['&'],
expected: [],
what: 'Ampersand'
},
{ source: ['&&&&&'],
expected: [],
what: 'Many ampersands'
},
{ source: ['='],
expected: [
['',
'',
{ nameTruncated: false,
valueTruncated: false,
encoding: 'utf-8',
mimeType: 'text/plain' },
],
],
what: 'Assigned value, empty name and value'
},
{ source: [''],
expected: [],
what: 'Nothing'
},
];
for (const test of tests) {
active.set(test, 1);
const { what } = test;
const charset = test.charset || 'utf-8';
const bb = busboy({
limits: test.limits,
headers: {
'content-type': `application/x-www-form-urlencoded; charset=${charset}`,
},
});
const results = [];
bb.on('field', (key, val, info) => {
results.push([key, val, info]);
});
bb.on('file', () => {
throw new Error(`[${what}] Unexpected file`);
});
bb.on('close', () => {
active.delete(test);
assert.deepStrictEqual(
results,
test.expected,
`[${what}] Results mismatch.\n`
+ `Parsed: ${inspect(results)}\n`
+ `Expected: ${inspect(test.expected)}`
);
});
for (const src of test.source) {
const buf = (typeof src === 'string' ? Buffer.from(src, 'utf8') : src);
bb.write(buf);
}
bb.end();
}
// Byte-by-byte versions
for (let test of tests) {
test = { ...test };
test.what += ' (byte-by-byte)';
active.set(test, 1);
const { what } = test;
const charset = test.charset || 'utf-8';
const bb = busboy({
limits: test.limits,
headers: {
'content-type': `application/x-www-form-urlencoded; charset="${charset}"`,
},
});
const results = [];
bb.on('field', (key, val, info) => {
results.push([key, val, info]);
});
bb.on('file', () => {
throw new Error(`[${what}] Unexpected file`);
});
bb.on('close', () => {
active.delete(test);
assert.deepStrictEqual(
results,
test.expected,
`[${what}] Results mismatch.\n`
+ `Parsed: ${inspect(results)}\n`
+ `Expected: ${inspect(test.expected)}`
);
});
for (const src of test.source) {
const buf = (typeof src === 'string' ? Buffer.from(src, 'utf8') : src);
for (let i = 0; i < buf.length; ++i)
bb.write(buf.slice(i, i + 1));
}
bb.end();
}
{
let exception = false;
process.once('uncaughtException', (ex) => {
exception = true;
throw ex;
});
process.on('exit', () => {
if (exception || active.size === 0)
return;
process.exitCode = 1;
console.error('==========================');
console.error(`${active.size} test(s) did not finish:`);
console.error('==========================');
console.error(Array.from(active.keys()).map((v) => v.what).join('\n'));
});
}

@ -0,0 +1,20 @@
'use strict';
const { spawnSync } = require('child_process');
const { readdirSync } = require('fs');
const { join } = require('path');
const files = readdirSync(__dirname).sort();
for (const filename of files) {
if (filename.startsWith('test-')) {
const path = join(__dirname, filename);
console.log(`> Running ${filename} ...`);
const result = spawnSync(`${process.argv0} ${path}`, {
shell: true,
stdio: 'inherit',
windowsHide: true
});
if (result.status !== 0)
process.exitCode = 1;
}
}

@ -0,0 +1,97 @@
3.1.2 / 2022-01-27
==================
* Fix return value for un-parsable strings
3.1.1 / 2021-11-15
==================
* Fix "thousandsSeparator" incorrecting formatting fractional part
3.1.0 / 2019-01-22
==================
* Add petabyte (`pb`) support
3.0.0 / 2017-08-31
==================
* Change "kB" to "KB" in format output
* Remove support for Node.js 0.6
* Remove support for ComponentJS
2.5.0 / 2017-03-24
==================
* Add option "unit"
2.4.0 / 2016-06-01
==================
* Add option "unitSeparator"
2.3.0 / 2016-02-15
==================
* Drop partial bytes on all parsed units
* Fix non-finite numbers to `.format` to return `null`
* Fix parsing byte string that looks like hex
* perf: hoist regular expressions
2.2.0 / 2015-11-13
==================
* add option "decimalPlaces"
* add option "fixedDecimals"
2.1.0 / 2015-05-21
==================
* add `.format` export
* add `.parse` export
2.0.2 / 2015-05-20
==================
* remove map recreation
* remove unnecessary object construction
2.0.1 / 2015-05-07
==================
* fix browserify require
* remove node.extend dependency
2.0.0 / 2015-04-12
==================
* add option "case"
* add option "thousandsSeparator"
* return "null" on invalid parse input
* support proper round-trip: bytes(bytes(num)) === num
* units no longer case sensitive when parsing
1.0.0 / 2014-05-05
==================
* add negative support. fixes #6
0.3.0 / 2014-03-19
==================
* added terabyte support
0.2.1 / 2013-04-01
==================
* add .component
0.2.0 / 2012-10-28
==================
* bytes(200).should.eql('200b')
0.1.0 / 2012-07-04
==================
* add bytes to string conversion [yields]

23
jiedui/node_modules/bytes/LICENSE generated vendored

@ -0,0 +1,23 @@
(The MIT License)
Copyright (c) 2012-2014 TJ Holowaychuk <tj@vision-media.ca>
Copyright (c) 2015 Jed Watson <jed.watson@me.com>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

152
jiedui/node_modules/bytes/Readme.md generated vendored

@ -0,0 +1,152 @@
# Bytes utility
[![NPM Version][npm-image]][npm-url]
[![NPM Downloads][downloads-image]][downloads-url]
[![Build Status][ci-image]][ci-url]
[![Test Coverage][coveralls-image]][coveralls-url]
Utility to parse a string bytes (ex: `1TB`) to bytes (`1099511627776`) and vice-versa.
## Installation
This is a [Node.js](https://nodejs.org/en/) module available through the
[npm registry](https://www.npmjs.com/). Installation is done using the
[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
```bash
$ npm install bytes
```
## Usage
```js
var bytes = require('bytes');
```
#### bytes(numberstring value, [options]): numberstringnull
Default export function. Delegates to either `bytes.format` or `bytes.parse` based on the type of `value`.
**Arguments**
| Name | Type | Description |
|---------|----------|--------------------|
| value | `number``string` | Number value to format or string value to parse |
| options | `Object` | Conversion options for `format` |
**Returns**
| Name | Type | Description |
|---------|------------------|-------------------------------------------------|
| results | `string``number``null` | Return null upon error. Numeric value in bytes, or string value otherwise. |
**Example**
```js
bytes(1024);
// output: '1KB'
bytes('1KB');
// output: 1024
```
#### bytes.format(number value, [options]): stringnull
Format the given value in bytes into a string. If the value is negative, it is kept as such. If it is a float, it is
rounded.
**Arguments**
| Name | Type | Description |
|---------|----------|--------------------|
| value | `number` | Value in bytes |
| options | `Object` | Conversion options |
**Options**
| Property | Type | Description |
|-------------------|--------|-----------------------------------------------------------------------------------------|
| decimalPlaces | `number``null` | Maximum number of decimal places to include in output. Default value to `2`. |
| fixedDecimals | `boolean``null` | Whether to always display the maximum number of decimal places. Default value to `false` |
| thousandsSeparator | `string``null` | Example of values: `' '`, `','` and `'.'`... Default value to `''`. |
| unit | `string``null` | The unit in which the result will be returned (B/KB/MB/GB/TB). Default value to `''` (which means auto detect). |
| unitSeparator | `string``null` | Separator to use between number and unit. Default value to `''`. |
**Returns**
| Name | Type | Description |
|---------|------------------|-------------------------------------------------|
| results | `string``null` | Return null upon error. String value otherwise. |
**Example**
```js
bytes.format(1024);
// output: '1KB'
bytes.format(1000);
// output: '1000B'
bytes.format(1000, {thousandsSeparator: ' '});
// output: '1 000B'
bytes.format(1024 * 1.7, {decimalPlaces: 0});
// output: '2KB'
bytes.format(1024, {unitSeparator: ' '});
// output: '1 KB'
```
#### bytes.parse(stringnumber value): numbernull
Parse the string value into an integer in bytes. If no unit is given, or `value`
is a number, it is assumed the value is in bytes.
Supported units and abbreviations are as follows and are case-insensitive:
* `b` for bytes
* `kb` for kilobytes
* `mb` for megabytes
* `gb` for gigabytes
* `tb` for terabytes
* `pb` for petabytes
The units are in powers of two, not ten. This means 1kb = 1024b according to this parser.
**Arguments**
| Name | Type | Description |
|---------------|--------|--------------------|
| value | `string``number` | String to parse, or number in bytes. |
**Returns**
| Name | Type | Description |
|---------|-------------|-------------------------|
| results | `number``null` | Return null upon error. Value in bytes otherwise. |
**Example**
```js
bytes.parse('1KB');
// output: 1024
bytes.parse('1024');
// output: 1024
bytes.parse(1024);
// output: 1024
```
## License
[MIT](LICENSE)
[ci-image]: https://badgen.net/github/checks/visionmedia/bytes.js/master?label=ci
[ci-url]: https://github.com/visionmedia/bytes.js/actions?query=workflow%3Aci
[coveralls-image]: https://badgen.net/coveralls/c/github/visionmedia/bytes.js/master
[coveralls-url]: https://coveralls.io/r/visionmedia/bytes.js?branch=master
[downloads-image]: https://badgen.net/npm/dm/bytes
[downloads-url]: https://npmjs.org/package/bytes
[npm-image]: https://badgen.net/npm/v/bytes
[npm-url]: https://npmjs.org/package/bytes

170
jiedui/node_modules/bytes/index.js generated vendored

@ -0,0 +1,170 @@
/*!
* bytes
* Copyright(c) 2012-2014 TJ Holowaychuk
* Copyright(c) 2015 Jed Watson
* MIT Licensed
*/
'use strict';
/**
* Module exports.
* @public
*/
module.exports = bytes;
module.exports.format = format;
module.exports.parse = parse;
/**
* Module variables.
* @private
*/
var formatThousandsRegExp = /\B(?=(\d{3})+(?!\d))/g;
var formatDecimalsRegExp = /(?:\.0*|(\.[^0]+)0+)$/;
var map = {
b: 1,
kb: 1 << 10,
mb: 1 << 20,
gb: 1 << 30,
tb: Math.pow(1024, 4),
pb: Math.pow(1024, 5),
};
var parseRegExp = /^((-|\+)?(\d+(?:\.\d+)?)) *(kb|mb|gb|tb|pb)$/i;
/**
* Convert the given value in bytes into a string or parse to string to an integer in bytes.
*
* @param {string|number} value
* @param {{
* case: [string],
* decimalPlaces: [number]
* fixedDecimals: [boolean]
* thousandsSeparator: [string]
* unitSeparator: [string]
* }} [options] bytes options.
*
* @returns {string|number|null}
*/
function bytes(value, options) {
if (typeof value === 'string') {
return parse(value);
}
if (typeof value === 'number') {
return format(value, options);
}
return null;
}
/**
* Format the given value in bytes into a string.
*
* If the value is negative, it is kept as such. If it is a float,
* it is rounded.
*
* @param {number} value
* @param {object} [options]
* @param {number} [options.decimalPlaces=2]
* @param {number} [options.fixedDecimals=false]
* @param {string} [options.thousandsSeparator=]
* @param {string} [options.unit=]
* @param {string} [options.unitSeparator=]
*
* @returns {string|null}
* @public
*/
function format(value, options) {
if (!Number.isFinite(value)) {
return null;
}
var mag = Math.abs(value);
var thousandsSeparator = (options && options.thousandsSeparator) || '';
var unitSeparator = (options && options.unitSeparator) || '';
var decimalPlaces = (options && options.decimalPlaces !== undefined) ? options.decimalPlaces : 2;
var fixedDecimals = Boolean(options && options.fixedDecimals);
var unit = (options && options.unit) || '';
if (!unit || !map[unit.toLowerCase()]) {
if (mag >= map.pb) {
unit = 'PB';
} else if (mag >= map.tb) {
unit = 'TB';
} else if (mag >= map.gb) {
unit = 'GB';
} else if (mag >= map.mb) {
unit = 'MB';
} else if (mag >= map.kb) {
unit = 'KB';
} else {
unit = 'B';
}
}
var val = value / map[unit.toLowerCase()];
var str = val.toFixed(decimalPlaces);
if (!fixedDecimals) {
str = str.replace(formatDecimalsRegExp, '$1');
}
if (thousandsSeparator) {
str = str.split('.').map(function (s, i) {
return i === 0
? s.replace(formatThousandsRegExp, thousandsSeparator)
: s
}).join('.');
}
return str + unitSeparator + unit;
}
/**
* Parse the string value into an integer in bytes.
*
* If no unit is given, it is assumed the value is in bytes.
*
* @param {number|string} val
*
* @returns {number|null}
* @public
*/
function parse(val) {
if (typeof val === 'number' && !isNaN(val)) {
return val;
}
if (typeof val !== 'string') {
return null;
}
// Test if the string passed is valid
var results = parseRegExp.exec(val);
var floatValue;
var unit = 'b';
if (!results) {
// Nothing could be extracted from the given string
floatValue = parseInt(val, 10);
unit = 'b'
} else {
// Retrieve the value and the unit
floatValue = parseFloat(results[1]);
unit = results[4].toLowerCase();
}
if (isNaN(floatValue)) {
return null;
}
return Math.floor(map[unit] * floatValue);
}

@ -0,0 +1,42 @@
{
"name": "bytes",
"description": "Utility to parse a string bytes to bytes and vice-versa",
"version": "3.1.2",
"author": "TJ Holowaychuk <tj@vision-media.ca> (http://tjholowaychuk.com)",
"contributors": [
"Jed Watson <jed.watson@me.com>",
"Théo FIDRY <theo.fidry@gmail.com>"
],
"license": "MIT",
"keywords": [
"byte",
"bytes",
"utility",
"parse",
"parser",
"convert",
"converter"
],
"repository": "visionmedia/bytes.js",
"devDependencies": {
"eslint": "7.32.0",
"eslint-plugin-markdown": "2.2.1",
"mocha": "9.2.0",
"nyc": "15.1.0"
},
"files": [
"History.md",
"LICENSE",
"Readme.md",
"index.js"
],
"engines": {
"node": ">= 0.8"
},
"scripts": {
"lint": "eslint .",
"test": "mocha --check-leaks --reporter spec",
"test-ci": "nyc --reporter=lcov --reporter=text npm test",
"test-cov": "nyc --reporter=html --reporter=text npm test"
}
}

@ -0,0 +1 @@
coverage/

@ -0,0 +1,16 @@
{
"root": true,
"extends": "@ljharb",
"rules": {
"func-name-matching": 0,
"id-length": 0,
"new-cap": [2, {
"capIsNewExceptions": [
"GetIntrinsic",
],
}],
"no-magic-numbers": 0,
},
}

@ -0,0 +1,12 @@
# These are supported funding model platforms
github: [ljharb]
patreon: # Replace with a single Patreon username
open_collective: # Replace with a single Open Collective username
ko_fi: # Replace with a single Ko-fi username
tidelift: npm/call-bind
community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
liberapay: # Replace with a single Liberapay username
issuehunt: # Replace with a single IssueHunt username
otechie: # Replace with a single Otechie username
custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

@ -0,0 +1,9 @@
{
"all": true,
"check-coverage": false,
"reporter": ["text-summary", "text", "html", "json"],
"exclude": [
"coverage",
"test"
]
}

@ -0,0 +1,93 @@
# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [v1.0.7](https://github.com/ljharb/call-bind/compare/v1.0.6...v1.0.7) - 2024-02-12
### Commits
- [Refactor] use `es-define-property` [`09b76a0`](https://github.com/ljharb/call-bind/commit/09b76a01634440461d44a80c9924ec4b500f3b03)
- [Deps] update `get-intrinsic`, `set-function-length` [`ad5136d`](https://github.com/ljharb/call-bind/commit/ad5136ddda2a45c590959829ad3dce0c9f4e3590)
## [v1.0.6](https://github.com/ljharb/call-bind/compare/v1.0.5...v1.0.6) - 2024-02-05
### Commits
- [Dev Deps] update `aud`, `npmignore`, `tape` [`d564d5c`](https://github.com/ljharb/call-bind/commit/d564d5ce3e06a19df4d499c77f8d1a9da44e77aa)
- [Deps] update `get-intrinsic`, `set-function-length` [`cfc2bdc`](https://github.com/ljharb/call-bind/commit/cfc2bdca7b633df0e0e689e6b637f668f1c6792e)
- [Refactor] use `es-errors`, so things that only need those do not need `get-intrinsic` [`64cd289`](https://github.com/ljharb/call-bind/commit/64cd289ae5862c250a4ca80aa8d461047c166af5)
- [meta] add missing `engines.node` [`32a4038`](https://github.com/ljharb/call-bind/commit/32a4038857b62179f7f9b7b3df2c5260036be582)
## [v1.0.5](https://github.com/ljharb/call-bind/compare/v1.0.4...v1.0.5) - 2023-10-19
### Commits
- [Fix] throw an error on non-functions as early as possible [`f262408`](https://github.com/ljharb/call-bind/commit/f262408f822c840fbc268080f3ad7c429611066d)
- [Deps] update `set-function-length` [`3fff271`](https://github.com/ljharb/call-bind/commit/3fff27145a1e3a76a5b74f1d7c3c43d0fa3b9871)
## [v1.0.4](https://github.com/ljharb/call-bind/compare/v1.0.3...v1.0.4) - 2023-10-19
## [v1.0.3](https://github.com/ljharb/call-bind/compare/v1.0.2...v1.0.3) - 2023-10-19
### Commits
- [actions] reuse common workflows [`a994df6`](https://github.com/ljharb/call-bind/commit/a994df69f401f4bf735a4ccd77029b85d1549453)
- [meta] use `npmignore` to autogenerate an npmignore file [`eef3ef2`](https://github.com/ljharb/call-bind/commit/eef3ef21e1f002790837fedb8af2679c761fbdf5)
- [readme] flesh out content [`1845ccf`](https://github.com/ljharb/call-bind/commit/1845ccfd9976a607884cfc7157c93192cc16cf22)
- [actions] use `node/install` instead of `node/run`; use `codecov` action [`5b47d53`](https://github.com/ljharb/call-bind/commit/5b47d53d2fd74af5ea0a44f1d51e503cd42f7a90)
- [Refactor] use `set-function-length` [`a0e165c`](https://github.com/ljharb/call-bind/commit/a0e165c5dc61db781cbc919b586b1c2b8da0b150)
- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`9c50103`](https://github.com/ljharb/call-bind/commit/9c50103f44137279a817317cf6cc421a658f85b4)
- [meta] simplify "exports" [`019c6d0`](https://github.com/ljharb/call-bind/commit/019c6d06b0e1246ceed8e579f57e44441cbbf6d9)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `safe-publish-latest`, `tape` [`23bd718`](https://github.com/ljharb/call-bind/commit/23bd718a288d3b03042062b4ef5153b3cea83f11)
- [actions] update codecov uploader [`62552d7`](https://github.com/ljharb/call-bind/commit/62552d79cc79e05825e99aaba134ae5b37f33da5)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`ec81665`](https://github.com/ljharb/call-bind/commit/ec81665b300f87eabff597afdc8b8092adfa7afd)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `tape` [`35d67fc`](https://github.com/ljharb/call-bind/commit/35d67fcea883e686650f736f61da5ddca2592de8)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`0266d8d`](https://github.com/ljharb/call-bind/commit/0266d8d2a45086a922db366d0c2932fa463662ff)
- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`43a5b28`](https://github.com/ljharb/call-bind/commit/43a5b28a444e710e1bbf92adb8afb5cf7523a223)
- [Deps] update `define-data-property`, `function-bind`, `get-intrinsic` [`780eb36`](https://github.com/ljharb/call-bind/commit/780eb36552514f8cc99c70821ce698697c2726a5)
- [Dev Deps] update `aud`, `tape` [`90d50ad`](https://github.com/ljharb/call-bind/commit/90d50ad03b061e0268b3380b0065fcaec183dc05)
- [meta] use `prepublishOnly` script for npm 7+ [`44c5433`](https://github.com/ljharb/call-bind/commit/44c5433b7980e02b4870007046407cf6fc543329)
- [Deps] update `get-intrinsic` [`86bfbfc`](https://github.com/ljharb/call-bind/commit/86bfbfcf34afdc6eabc93ce3d408548d0e27d958)
- [Deps] update `get-intrinsic` [`5c53354`](https://github.com/ljharb/call-bind/commit/5c5335489be0294c18cd7a8bb6e08226ee019ff5)
- [actions] update checkout action [`4c393a8`](https://github.com/ljharb/call-bind/commit/4c393a8173b3c8e5b30d5b3297b3b94d48bf87f3)
- [Deps] update `get-intrinsic` [`4e70bde`](https://github.com/ljharb/call-bind/commit/4e70bdec0626acb11616d66250fc14565e716e91)
- [Deps] update `get-intrinsic` [`55ae803`](https://github.com/ljharb/call-bind/commit/55ae803a920bd93c369cd798c20de31f91e9fc60)
## [v1.0.2](https://github.com/ljharb/call-bind/compare/v1.0.1...v1.0.2) - 2021-01-11
### Commits
- [Fix] properly include the receiver in the bound length [`dbae7bc`](https://github.com/ljharb/call-bind/commit/dbae7bc676c079a0d33c0a43e9ef92cb7b01345d)
## [v1.0.1](https://github.com/ljharb/call-bind/compare/v1.0.0...v1.0.1) - 2021-01-08
### Commits
- [Tests] migrate tests to Github Actions [`b6db284`](https://github.com/ljharb/call-bind/commit/b6db284c36f8ccd195b88a6764fe84b7223a0da1)
- [meta] do not publish github action workflow files [`ec7fe46`](https://github.com/ljharb/call-bind/commit/ec7fe46e60cfa4764ee943d2755f5e5a366e578e)
- [Fix] preserve original functions length when possible [`adbceaa`](https://github.com/ljharb/call-bind/commit/adbceaa3cac4b41ea78bb19d7ccdbaaf7e0bdadb)
- [Tests] gather coverage data on every job [`d69e23c`](https://github.com/ljharb/call-bind/commit/d69e23cc65f101ba1d4c19bb07fa8eb0ec624be8)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`2fd3586`](https://github.com/ljharb/call-bind/commit/2fd3586c5d47b335364c14293114c6b625ae1f71)
- [Deps] update `get-intrinsic` [`f23e931`](https://github.com/ljharb/call-bind/commit/f23e9318cc271c2add8bb38cfded85ee7baf8eee)
- [Deps] update `get-intrinsic` [`72d9f44`](https://github.com/ljharb/call-bind/commit/72d9f44e184465ba8dd3fb48260bbcff234985f2)
- [meta] fix FUNDING.yml [`e723573`](https://github.com/ljharb/call-bind/commit/e723573438c5a68dcec31fb5d96ea6b7e4a93be8)
- [eslint] ignore coverage output [`15e76d2`](https://github.com/ljharb/call-bind/commit/15e76d28a5f43e504696401e5b31ebb78ee1b532)
- [meta] add Automatic Rebase and Require Allow Edits workflows [`8fa4dab`](https://github.com/ljharb/call-bind/commit/8fa4dabb23ba3dd7bb92c9571c1241c08b56e4b6)
## v1.0.0 - 2020-10-30
### Commits
- Initial commit [`306cf98`](https://github.com/ljharb/call-bind/commit/306cf98c7ec9e7ef66b653ec152277ac1381eb50)
- Tests [`e10d0bb`](https://github.com/ljharb/call-bind/commit/e10d0bbdadc7a10ecedc9a1c035112d3e368b8df)
- Implementation [`43852ed`](https://github.com/ljharb/call-bind/commit/43852eda0f187327b7fad2423ca972149a52bd65)
- npm init [`408f860`](https://github.com/ljharb/call-bind/commit/408f860b773a2f610805fd3613d0d71bac1b6249)
- [meta] add Automatic Rebase and Require Allow Edits workflows [`fb349b2`](https://github.com/ljharb/call-bind/commit/fb349b2e48defbec8b5ec8a8395cc8f69f220b13)
- [meta] add `auto-changelog` [`c4001fc`](https://github.com/ljharb/call-bind/commit/c4001fc43031799ef908211c98d3b0fb2b60fde4)
- [meta] add "funding"; create `FUNDING.yml` [`d4d6d29`](https://github.com/ljharb/call-bind/commit/d4d6d2974a14bc2e98830468eda7fe6d6a776717)
- [Tests] add `npm run lint` [`dedfb98`](https://github.com/ljharb/call-bind/commit/dedfb98bd0ecefb08ddb9a94061bd10cde4332af)
- Only apps should have lockfiles [`54ac776`](https://github.com/ljharb/call-bind/commit/54ac77653db45a7361dc153d2f478e743f110650)
- [meta] add `safe-publish-latest` [`9ea8e43`](https://github.com/ljharb/call-bind/commit/9ea8e435b950ce9b705559cd651039f9bf40140f)

@ -0,0 +1,21 @@
MIT License
Copyright (c) 2020 Jordan Harband
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

@ -0,0 +1,64 @@
# call-bind <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
[![github actions][actions-image]][actions-url]
[![coverage][codecov-image]][codecov-url]
[![dependency status][deps-svg]][deps-url]
[![dev dependency status][dev-deps-svg]][dev-deps-url]
[![License][license-image]][license-url]
[![Downloads][downloads-image]][downloads-url]
[![npm badge][npm-badge-png]][package-url]
Robustly `.call.bind()` a function.
## Getting started
```sh
npm install --save call-bind
```
## Usage/Examples
```js
const assert = require('assert');
const callBind = require('call-bind');
const callBound = require('call-bind/callBound');
function f(a, b) {
assert.equal(this, 1);
assert.equal(a, 2);
assert.equal(b, 3);
assert.equal(arguments.length, 2);
}
const fBound = callBind(f);
const slice = callBound('Array.prototype.slice');
delete Function.prototype.call;
delete Function.prototype.bind;
fBound(1, 2, 3);
assert.deepEqual(slice([1, 2, 3, 4], 1, -1), [2, 3]);
```
## Tests
Clone the repo, `npm install`, and run `npm test`
[package-url]: https://npmjs.org/package/call-bind
[npm-version-svg]: https://versionbadg.es/ljharb/call-bind.svg
[deps-svg]: https://david-dm.org/ljharb/call-bind.svg
[deps-url]: https://david-dm.org/ljharb/call-bind
[dev-deps-svg]: https://david-dm.org/ljharb/call-bind/dev-status.svg
[dev-deps-url]: https://david-dm.org/ljharb/call-bind#info=devDependencies
[npm-badge-png]: https://nodei.co/npm/call-bind.png?downloads=true&stars=true
[license-image]: https://img.shields.io/npm/l/call-bind.svg
[license-url]: LICENSE
[downloads-image]: https://img.shields.io/npm/dm/call-bind.svg
[downloads-url]: https://npm-stat.com/charts.html?package=call-bind
[codecov-image]: https://codecov.io/gh/ljharb/call-bind/branch/main/graphs/badge.svg
[codecov-url]: https://app.codecov.io/gh/ljharb/call-bind/
[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/call-bind
[actions-url]: https://github.com/ljharb/call-bind/actions

@ -0,0 +1,15 @@
'use strict';
var GetIntrinsic = require('get-intrinsic');
var callBind = require('./');
var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf'));
module.exports = function callBoundIntrinsic(name, allowMissing) {
var intrinsic = GetIntrinsic(name, !!allowMissing);
if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) {
return callBind(intrinsic);
}
return intrinsic;
};

@ -0,0 +1,35 @@
'use strict';
var bind = require('function-bind');
var GetIntrinsic = require('get-intrinsic');
var setFunctionLength = require('set-function-length');
var $TypeError = require('es-errors/type');
var $apply = GetIntrinsic('%Function.prototype.apply%');
var $call = GetIntrinsic('%Function.prototype.call%');
var $reflectApply = GetIntrinsic('%Reflect.apply%', true) || bind.call($call, $apply);
var $defineProperty = require('es-define-property');
var $max = GetIntrinsic('%Math.max%');
module.exports = function callBind(originalFunction) {
if (typeof originalFunction !== 'function') {
throw new $TypeError('a function is required');
}
var func = $reflectApply(bind, $call, arguments);
return setFunctionLength(
func,
1 + $max(0, originalFunction.length - (arguments.length - 1)),
true
);
};
var applyBind = function applyBind() {
return $reflectApply(bind, $apply, arguments);
};
if ($defineProperty) {
$defineProperty(module.exports, 'apply', { value: applyBind });
} else {
module.exports.apply = applyBind;
}

@ -0,0 +1,95 @@
{
"name": "call-bind",
"version": "1.0.7",
"description": "Robustly `.call.bind()` a function",
"main": "index.js",
"exports": {
".": "./index.js",
"./callBound": "./callBound.js",
"./package.json": "./package.json"
},
"scripts": {
"prepack": "npmignore --auto --commentLines=auto",
"prepublish": "not-in-publish || npm run prepublishOnly",
"prepublishOnly": "safe-publish-latest",
"lint": "eslint --ext=.js,.mjs .",
"postlint": "evalmd README.md",
"pretest": "npm run lint",
"tests-only": "nyc tape 'test/**/*.js'",
"test": "npm run tests-only",
"posttest": "aud --production",
"version": "auto-changelog && git add CHANGELOG.md",
"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
},
"repository": {
"type": "git",
"url": "git+https://github.com/ljharb/call-bind.git"
},
"keywords": [
"javascript",
"ecmascript",
"es",
"js",
"callbind",
"callbound",
"call",
"bind",
"bound",
"call-bind",
"call-bound",
"function",
"es-abstract"
],
"author": "Jordan Harband <ljharb@gmail.com>",
"funding": {
"url": "https://github.com/sponsors/ljharb"
},
"license": "MIT",
"bugs": {
"url": "https://github.com/ljharb/call-bind/issues"
},
"homepage": "https://github.com/ljharb/call-bind#readme",
"devDependencies": {
"@ljharb/eslint-config": "^21.1.0",
"aud": "^2.0.4",
"auto-changelog": "^2.4.0",
"es-value-fixtures": "^1.4.2",
"eslint": "=8.8.0",
"evalmd": "^0.0.19",
"for-each": "^0.3.3",
"gopd": "^1.0.1",
"has-strict-mode": "^1.0.1",
"in-publish": "^2.0.1",
"npmignore": "^0.3.1",
"nyc": "^10.3.2",
"object-inspect": "^1.13.1",
"safe-publish-latest": "^2.0.0",
"tape": "^5.7.4"
},
"dependencies": {
"es-define-property": "^1.0.0",
"es-errors": "^1.3.0",
"function-bind": "^1.1.2",
"get-intrinsic": "^1.2.4",
"set-function-length": "^1.2.1"
},
"testling": {
"files": "test/index.js"
},
"auto-changelog": {
"output": "CHANGELOG.md",
"template": "keepachangelog",
"unreleased": false,
"commitLimit": false,
"backfillLimit": false,
"hideCredit": true
},
"publishConfig": {
"ignore": [
".github/workflows"
]
},
"engines": {
"node": ">= 0.4"
}
}

@ -0,0 +1,54 @@
'use strict';
var test = require('tape');
var callBound = require('../callBound');
test('callBound', function (t) {
// static primitive
t.equal(callBound('Array.length'), Array.length, 'Array.length yields itself');
t.equal(callBound('%Array.length%'), Array.length, '%Array.length% yields itself');
// static non-function object
t.equal(callBound('Array.prototype'), Array.prototype, 'Array.prototype yields itself');
t.equal(callBound('%Array.prototype%'), Array.prototype, '%Array.prototype% yields itself');
t.equal(callBound('Array.constructor'), Array.constructor, 'Array.constructor yields itself');
t.equal(callBound('%Array.constructor%'), Array.constructor, '%Array.constructor% yields itself');
// static function
t.equal(callBound('Date.parse'), Date.parse, 'Date.parse yields itself');
t.equal(callBound('%Date.parse%'), Date.parse, '%Date.parse% yields itself');
// prototype primitive
t.equal(callBound('Error.prototype.message'), Error.prototype.message, 'Error.prototype.message yields itself');
t.equal(callBound('%Error.prototype.message%'), Error.prototype.message, '%Error.prototype.message% yields itself');
// prototype function
t.notEqual(callBound('Object.prototype.toString'), Object.prototype.toString, 'Object.prototype.toString does not yield itself');
t.notEqual(callBound('%Object.prototype.toString%'), Object.prototype.toString, '%Object.prototype.toString% does not yield itself');
t.equal(callBound('Object.prototype.toString')(true), Object.prototype.toString.call(true), 'call-bound Object.prototype.toString calls into the original');
t.equal(callBound('%Object.prototype.toString%')(true), Object.prototype.toString.call(true), 'call-bound %Object.prototype.toString% calls into the original');
t['throws'](
function () { callBound('does not exist'); },
SyntaxError,
'nonexistent intrinsic throws'
);
t['throws'](
function () { callBound('does not exist', true); },
SyntaxError,
'allowMissing arg still throws for unknown intrinsic'
);
t.test('real but absent intrinsic', { skip: typeof WeakRef !== 'undefined' }, function (st) {
st['throws'](
function () { callBound('WeakRef'); },
TypeError,
'real but absent intrinsic throws'
);
st.equal(callBound('WeakRef', true), undefined, 'allowMissing arg avoids exception');
st.end();
});
t.end();
});

@ -0,0 +1,80 @@
'use strict';
var callBind = require('../');
var bind = require('function-bind');
var gOPD = require('gopd');
var hasStrictMode = require('has-strict-mode')();
var forEach = require('for-each');
var inspect = require('object-inspect');
var v = require('es-value-fixtures');
var test = require('tape');
/*
* older engines have length nonconfigurable
* in io.js v3, it is configurable except on bound functions, hence the .bind()
*/
var functionsHaveConfigurableLengths = !!(
gOPD
&& Object.getOwnPropertyDescriptor
&& Object.getOwnPropertyDescriptor(bind.call(function () {}), 'length').configurable
);
test('callBind', function (t) {
forEach(v.nonFunctions, function (nonFunction) {
t['throws'](
function () { callBind(nonFunction); },
TypeError,
inspect(nonFunction) + ' is not a function'
);
});
var sentinel = { sentinel: true };
var func = function (a, b) {
// eslint-disable-next-line no-invalid-this
return [!hasStrictMode && this === global ? undefined : this, a, b];
};
t.equal(func.length, 2, 'original function length is 2');
t.deepEqual(func(), [undefined, undefined, undefined], 'unbound func with too few args');
t.deepEqual(func(1, 2), [undefined, 1, 2], 'unbound func with right args');
t.deepEqual(func(1, 2, 3), [undefined, 1, 2], 'unbound func with too many args');
var bound = callBind(func);
t.equal(bound.length, func.length + 1, 'function length is preserved', { skip: !functionsHaveConfigurableLengths });
t.deepEqual(bound(), [undefined, undefined, undefined], 'bound func with too few args');
t.deepEqual(bound(1, 2), [hasStrictMode ? 1 : Object(1), 2, undefined], 'bound func with right args');
t.deepEqual(bound(1, 2, 3), [hasStrictMode ? 1 : Object(1), 2, 3], 'bound func with too many args');
var boundR = callBind(func, sentinel);
t.equal(boundR.length, func.length, 'function length is preserved', { skip: !functionsHaveConfigurableLengths });
t.deepEqual(boundR(), [sentinel, undefined, undefined], 'bound func with receiver, with too few args');
t.deepEqual(boundR(1, 2), [sentinel, 1, 2], 'bound func with receiver, with right args');
t.deepEqual(boundR(1, 2, 3), [sentinel, 1, 2], 'bound func with receiver, with too many args');
var boundArg = callBind(func, sentinel, 1);
t.equal(boundArg.length, func.length - 1, 'function length is preserved', { skip: !functionsHaveConfigurableLengths });
t.deepEqual(boundArg(), [sentinel, 1, undefined], 'bound func with receiver and arg, with too few args');
t.deepEqual(boundArg(2), [sentinel, 1, 2], 'bound func with receiver and arg, with right arg');
t.deepEqual(boundArg(2, 3), [sentinel, 1, 2], 'bound func with receiver and arg, with too many args');
t.test('callBind.apply', function (st) {
var aBound = callBind.apply(func);
st.deepEqual(aBound(sentinel), [sentinel, undefined, undefined], 'apply-bound func with no args');
st.deepEqual(aBound(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args');
st.deepEqual(aBound(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args');
var aBoundArg = callBind.apply(func);
st.deepEqual(aBoundArg(sentinel, [1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with too many args');
st.deepEqual(aBoundArg(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args');
st.deepEqual(aBoundArg(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args');
var aBoundR = callBind.apply(func, sentinel);
st.deepEqual(aBoundR([1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with receiver and too many args');
st.deepEqual(aBoundR([1, 2], 4), [sentinel, 1, 2], 'apply-bound func with receiver and right args');
st.deepEqual(aBoundR([1], 4), [sentinel, 1, undefined], 'apply-bound func with receiver and too few args');
st.end();
});
t.end();
});

201
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@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "{}"
replaced with your own identifying information. (Don't include
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161
jiedui/node_modules/cfb/README.md generated vendored

@ -0,0 +1,161 @@
# Container File Blobs
Pure JS implementation of various container file formats, including ZIP and CFB.
[![Build Status](https://travis-ci.org/SheetJS/js-cfb.svg?branch=master)](https://travis-ci.org/SheetJS/js-cfb)
[![Coverage Status](http://img.shields.io/coveralls/SheetJS/js-cfb/master.svg)](https://coveralls.io/r/SheetJS/js-cfb?branch=master)
[![Dependencies Status](https://david-dm.org/sheetjs/js-cfb/status.svg)](https://david-dm.org/sheetjs/js-cfb)
[![NPM Downloads](https://img.shields.io/npm/dt/cfb.svg)](https://npmjs.org/package/cfb)
[![Analytics](https://ga-beacon.appspot.com/UA-36810333-1/SheetJS/js-cfb?pixel)](https://github.com/SheetJS/js-cfb)
## Installation
In the browser:
```html
<script src="dist/cfb.min.js" type="text/javascript"></script>
```
With [npm](https://www.npmjs.org/package/cfb):
```bash
$ npm install cfb
```
The `xlscfb.js` file is designed to be embedded in [js-xlsx](http://git.io/xlsx)
## Library Usage
In node:
```js
var CFB = require('cfb');
```
For example, to get the Workbook content from an Excel 2003 XLS file:
```js
var cfb = CFB.read(filename, {type: 'file'});
var workbook = CFB.find(cfb, 'Workbook');
var data = workbook.content;
```
## Command-Line Utility Usage
The [`cfb-cli`](https://www.npmjs.com/package/cfb-cli) module ships with a CLI
tool for manipulating and inspecting supported files.
## JS API
TypeScript definitions are maintained in `types/index.d.ts`.
The CFB object exposes the following methods and properties:
`CFB.parse(blob)` takes a nodejs Buffer or an array of bytes and returns an
parsed representation of the data.
`CFB.read(blob, opts)` wraps `parse`.
`CFB.find(cfb, path)` performs a case-insensitive match for the path (or file
name, if there are no slashes) and returns an entry object or null if not found.
`CFB.write(cfb, opts)` generates a file based on the container.
`CFB.writeFile(cfb, filename, opts)` creates a file with the specified name.
### Parse Options
`CFB.read` takes an options argument. `opts.type` controls the behavior:
| `type` | expected input |
|------------|:----------------------------------------------------------------|
| `"base64"` | string: Base64 encoding of the file |
| `"binary"` | string: binary string (byte `n` is `data.charCodeAt(n)`) |
| `"buffer"` | nodejs Buffer |
| `"file"` | string: path of file that will be read (nodejs only) |
| (default) | buffer or array of 8-bit unsigned int (byte `n` is `data[n]`) |
### Write Options
`CFB.write` and `CFB.writeFile` take options argument.
`opts.type` controls the behavior:
| `type` | output |
|------------|:----------------------------------------------------------------|
| `"base64"` | string: Base64 encoding of the file |
| `"binary"` | string: binary string (byte `n` is `data.charCodeAt(n)`) |
| `"buffer"` | nodejs Buffer |
| `"file"` | string: path of file that will be created (nodejs only) |
| (default) | buffer if available, array of 8-bit unsigned int otherwise |
`opts.fileType` controls the output file type:
| `fileType` | output |
|:-------------------|:------------------------|
| `'cfb'` (default) | CFB container |
| `'zip'` | ZIP file |
| `'mad'` | MIME aggregate document |
`opts.compression` enables DEFLATE compression for ZIP file type.
## Utility Functions
The utility functions are available in the `CFB.utils` object. Functions that
accept a `name` argument strictly deal with absolute file names:
- `.cfb_new(?opts)` creates a new container object.
- `.cfb_add(cfb, name, ?content, ?opts)` adds a new file to the `cfb`.
Set the option `{unsafe:true}` to skip existence checks (for bulk additions)
- `.cfb_del(cfb, name)` deletes the specified file
- `.cfb_mov(cfb, old_name, new_name)` moves the old file to new path and name
- `.use_zlib(require("zlib"))` loads a nodejs `zlib` instance.
By default, the library uses a pure JS inflate/deflate implementation. NodeJS
`zlib.InflateRaw` exposes the number of bytes read in versions after `8.11.0`.
If a supplied `zlib` does not support the required features, a warning will be
displayed in the console and the pure JS fallback will be used.
## Container Object Description
The objects returned by `parse` and `read` have the following properties:
- `.FullPaths` is an array of the names of all of the streams (files) and
storages (directories) in the container. The paths are properly prefixed from
the root entry (so the entries are unique)
- `.FileIndex` is an array, in the same order as `.FullPaths`, whose values are
objects following the schema:
```typescript
interface CFBEntry {
name: string; /** Case-sensitive internal name */
type: number; /** 1 = dir, 2 = file, 5 = root ; see [MS-CFB] 2.6.1 */
content: Buffer | number[] | Uint8Array; /** Raw Content */
ct?: Date; /** Creation Time */
mt?: Date; /** Modification Time */
ctype?: String; /** Content-Type (for MAD) */
}
```
## License
Please consult the attached LICENSE file for details. All rights not explicitly
granted by the Apache 2.0 License are reserved by the Original Author.
## References
- `MS-CFB`: Compound File Binary File Format
- ZIP `APPNOTE.TXT`: .ZIP File Format Specification
- RFC1951: https://www.ietf.org/rfc/rfc1951.txt
- RFC2045: https://www.ietf.org/rfc/rfc2045.txt
- RFC2557: https://www.ietf.org/rfc/rfc2557.txt

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