inicializacion

parents
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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
(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.
# accepts
[![NPM Version][npm-image]][npm-url]
[![NPM Downloads][downloads-image]][downloads-url]
[![Node.js Version][node-version-image]][node-version-url]
[![Build Status][travis-image]][travis-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
```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)
[npm-image]: https://img.shields.io/npm/v/accepts.svg
[npm-url]: https://npmjs.org/package/accepts
[node-version-image]: https://img.shields.io/node/v/accepts.svg
[node-version-url]: http://nodejs.org/download/
[travis-image]: https://img.shields.io/travis/jshttp/accepts/master.svg
[travis-url]: https://travis-ci.org/jshttp/accepts
[coveralls-image]: https://img.shields.io/coveralls/jshttp/accepts/master.svg
[coveralls-url]: https://coveralls.io/r/jshttp/accepts
[downloads-image]: https://img.shields.io/npm/dm/accepts.svg
[downloads-url]: https://npmjs.org/package/accepts
/*!
* 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()
}
if (!this.headers.accept) return types[0];
var mimes = types.map(extToMime);
var accepts = this.negotiator.mediaTypes(mimes.filter(validMime));
var first = accepts[0];
if (!first) return false;
return types[mimes.indexOf(first)];
}
/**
* 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';
}
{
"_args": [
[
{
"raw": "accepts@1.3.3",
"scope": null,
"escapedName": "accepts",
"name": "accepts",
"rawSpec": "1.3.3",
"spec": "1.3.3",
"type": "version"
},
"/Users/scollado/controlAcceso/node_modules/engine.io"
]
],
"_from": "accepts@1.3.3",
"_id": "accepts@1.3.3",
"_inCache": true,
"_location": "/accepts",
"_nodeVersion": "4.4.3",
"_npmOperationalInternal": {
"host": "packages-16-east.internal.npmjs.com",
"tmp": "tmp/accepts-1.3.3.tgz_1462251932032_0.7092335098423064"
},
"_npmUser": {
"name": "dougwilson",
"email": "doug@somethingdoug.com"
},
"_npmVersion": "2.15.1",
"_phantomChildren": {},
"_requested": {
"raw": "accepts@1.3.3",
"scope": null,
"escapedName": "accepts",
"name": "accepts",
"rawSpec": "1.3.3",
"spec": "1.3.3",
"type": "version"
},
"_requiredBy": [
"/engine.io"
],
"_resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.3.tgz",
"_shasum": "c3ca7434938648c3e0d9c1e328dd68b622c284ca",
"_shrinkwrap": null,
"_spec": "accepts@1.3.3",
"_where": "/Users/scollado/controlAcceso/node_modules/engine.io",
"bugs": {
"url": "https://github.com/jshttp/accepts/issues"
},
"contributors": [
{
"name": "Douglas Christopher Wilson",
"email": "doug@somethingdoug.com"
},
{
"name": "Jonathan Ong",
"email": "me@jongleberry.com",
"url": "http://jongleberry.com"
}
],
"dependencies": {
"mime-types": "~2.1.11",
"negotiator": "0.6.1"
},
"description": "Higher-level content negotiation",
"devDependencies": {
"istanbul": "0.4.3",
"mocha": "~1.21.5"
},
"directories": {},
"dist": {
"shasum": "c3ca7434938648c3e0d9c1e328dd68b622c284ca",
"tarball": "https://registry.npmjs.org/accepts/-/accepts-1.3.3.tgz"
},
"engines": {
"node": ">= 0.6"
},
"files": [
"LICENSE",
"HISTORY.md",
"index.js"
],
"gitHead": "3e925b1e65ed7da2798849683d49814680dfa426",
"homepage": "https://github.com/jshttp/accepts#readme",
"keywords": [
"content",
"negotiation",
"accept",
"accepts"
],
"license": "MIT",
"maintainers": [
{
"name": "dougwilson",
"email": "doug@somethingdoug.com"
}
],
"name": "accepts",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git+https://github.com/jshttp/accepts.git"
},
"scripts": {
"test": "mocha --reporter spec --check-leaks --bail test/",
"test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
"test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"
},
"version": "1.3.3"
}
node_modules
.monitor
language: node_js
node_js:
- 0.6
- 0.8
- 0.9
- 0.10
- 0.12
- 4.2.4
- 5.4.1
- iojs-1
- iojs-2
- iojs-3
Copyright (c) 2011 Raynos.
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.
\ No newline at end of file
# After [![Build Status][1]][2]
Invoke callback after n calls
## Status: production ready
## Example
```js
var after = require("after")
var db = require("./db") // some db.
var updateUser = function (req, res) {
// use after to run two tasks in parallel,
// namely get request body and get session
// then run updateUser with the results
var next = after(2, updateUser)
var results = {}
getJSONBody(req, res, function (err, body) {
if (err) return next(err)
results.body = body
next(null, results)
})
getSessionUser(req, res, function (err, user) {
if (err) return next(err)
results.user = user
next(null, results)
})
// now do the thing!
function updateUser(err, result) {
if (err) {
res.statusCode = 500
return res.end("Unexpected Error")
}
if (!result.user || result.user.role !== "admin") {
res.statusCode = 403
return res.end("Permission Denied")
}
db.put("users:" + req.params.userId, result.body, function (err) {
if (err) {
res.statusCode = 500
return res.end("Unexpected Error")
}
res.statusCode = 200
res.end("Ok")
})
}
}
```
## Naive Example
```js
var after = require("after")
, next = after(3, logItWorks)
next()
next()
next() // it works
function logItWorks() {
console.log("it works!")
}
```
## Example with error handling
```js
var after = require("after")
, next = after(3, logError)
next()
next(new Error("oops")) // logs oops
next() // does nothing
// This callback is only called once.
// If there is an error the callback gets called immediately
// this avoids the situation where errors get lost.
function logError(err) {
console.log(err)
}
```
## Installation
`npm install after`
## Tests
`npm test`
## Contributors
- Raynos
- defunctzombie
## MIT Licenced
[1]: https://secure.travis-ci.org/Raynos/after.png
[2]: http://travis-ci.org/Raynos/after
[3]: http://raynos.org/blog/2/Flow-control-in-node.js
[4]: http://stackoverflow.com/questions/6852059/determining-the-end-of-asynchronous-operations-javascript/6852307#6852307
[5]: http://stackoverflow.com/questions/6869872/in-javascript-what-are-best-practices-for-executing-multiple-asynchronous-functi/6870031#6870031
[6]: http://stackoverflow.com/questions/6864397/javascript-performance-long-running-tasks/6889419#6889419
[7]: http://stackoverflow.com/questions/6597493/synchronous-database-queries-with-node-js/6620091#6620091
[8]: http://github.com/Raynos/iterators
[9]: http://github.com/Raynos/composite
module.exports = after
function after(count, callback, err_cb) {
var bail = false
err_cb = err_cb || noop
proxy.count = count
return (count === 0) ? callback() : proxy
function proxy(err, result) {
if (proxy.count <= 0) {
throw new Error('after called too many times')
}
--proxy.count
// after first error, rest are passed to err_cb
if (err) {
bail = true
callback(err)
// future error callbacks will go to error handler
callback = err_cb
} else if (proxy.count === 0 && !bail) {
callback(null, result)
}
}
}
function noop() {}
{
"_args": [
[
{
"raw": "after@0.8.2",
"scope": null,
"escapedName": "after",
"name": "after",
"rawSpec": "0.8.2",
"spec": "0.8.2",
"type": "version"
},
"/Users/scollado/controlAcceso/node_modules/engine.io-parser"
]
],
"_from": "after@0.8.2",
"_id": "after@0.8.2",
"_inCache": true,
"_location": "/after",
"_nodeVersion": "0.10.32",
"_npmOperationalInternal": {
"host": "packages-12-west.internal.npmjs.com",
"tmp": "tmp/after-0.8.2.tgz_1471308639186_0.9132961586583406"
},
"_npmUser": {
"name": "raynos",
"email": "raynos2@gmail.com"
},
"_npmVersion": "2.15.9",
"_phantomChildren": {},
"_requested": {
"raw": "after@0.8.2",
"scope": null,
"escapedName": "after",
"name": "after",
"rawSpec": "0.8.2",
"spec": "0.8.2",
"type": "version"
},
"_requiredBy": [
"/engine.io-parser"
],
"_resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
"_shasum": "fedb394f9f0e02aa9768e702bda23b505fae7e1f",
"_shrinkwrap": null,
"_spec": "after@0.8.2",
"_where": "/Users/scollado/controlAcceso/node_modules/engine.io-parser",
"author": {
"name": "Raynos",
"email": "raynos2@gmail.com"
},
"bugs": {
"url": "https://github.com/Raynos/after/issues"
},
"contributors": [
{
"name": "Raynos",
"email": "raynos2@gmail.com",
"url": "http://raynos.org"
}
],
"dependencies": {},
"description": "after - tiny flow control",
"devDependencies": {
"mocha": "~1.8.1"
},
"directories": {},
"dist": {
"shasum": "fedb394f9f0e02aa9768e702bda23b505fae7e1f",
"tarball": "https://registry.npmjs.org/after/-/after-0.8.2.tgz"
},
"gitHead": "e8c26046f36962b90e68dc5df33a9672a54b25f5",
"homepage": "https://github.com/Raynos/after#readme",
"keywords": [
"flowcontrol",
"after",
"flow",
"control",
"arch"
],
"license": "MIT",
"maintainers": [
{
"name": "raynos",
"email": "raynos2@gmail.com"
},
{
"name": "defunctzombie",
"email": "shtylman@gmail.com"
}
],
"name": "after",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git://github.com/Raynos/after.git"
},
"scripts": {
"test": "mocha --ui tdd --reporter spec test/*.js"
},
"version": "0.8.2"
}
/*global suite, test*/
var assert = require("assert")
, after = require("../")
test("exists", function () {
assert(typeof after === "function", "after is not a function")
})
test("after when called with 0 invokes", function (done) {
after(0, done)
});
test("after 1", function (done) {
var next = after(1, done)
next()
})
test("after 5", function (done) {
var next = after(5, done)
, i = 5
while (i--) {
next()
}
})
test("manipulate count", function (done) {
var next = after(1, done)
, i = 5
next.count = i
while (i--) {
next()
}
})
test("after terminates on error", function (done) {
var next = after(2, function(err) {
assert.equal(err.message, 'test');
done();
})
next(new Error('test'))
next(new Error('test2'))
})
test('gee', function(done) {
done = after(2, done)
function cb(err) {
assert.equal(err.message, 1);
done()
}
var next = after(3, cb, function(err) {
assert.equal(err.message, 2)
done()
});
next()
next(new Error(1))
next(new Error(2))
})
test('eee', function(done) {
done = after(3, done)
function cb(err) {
assert.equal(err.message, 1);
done()
}
var next = after(3, cb, function(err) {
assert.equal(err.message, 2)
done()
});
next(new Error(1))
next(new Error(2))
next(new Error(2))
})
test('gge', function(done) {
function cb(err) {
assert.equal(err.message, 1);
done()
}
var next = after(3, cb, function(err) {
// should not happen
assert.ok(false);
});
next()
next()
next(new Error(1))
})
test('egg', function(done) {
function cb(err) {
assert.equal(err.message, 1);
done()
}
var next = after(3, cb, function(err) {
// should not happen
assert.ok(false);
});
next(new Error(1))
next()
next()
})
test('throws on too many calls', function(done) {
var next = after(1, done);
next()
assert.throws(next, /after called too many times/);
});
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.
# 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
'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)
}
{
"_args": [
[
{
"raw": "array-flatten@1.1.1",
"scope": null,
"escapedName": "array-flatten",
"name": "array-flatten",
"rawSpec": "1.1.1",
"spec": "1.1.1",
"type": "version"
},
"/Users/scollado/Documents/controlAcceso/node_modules/express"
]
],
"_from": "array-flatten@1.1.1",
"_id": "array-flatten@1.1.1",
"_inCache": true,
"_location": "/array-flatten",
"_nodeVersion": "2.3.3",
"_npmUser": {
"name": "blakeembrey",
"email": "hello@blakeembrey.com"
},
"_npmVersion": "2.11.3",
"_phantomChildren": {},
"_requested": {
"raw": "array-flatten@1.1.1",
"scope": null,
"escapedName": "array-flatten",
"name": "array-flatten",
"rawSpec": "1.1.1",
"spec": "1.1.1",
"type": "version"
},
"_requiredBy": [
"/express"
],
"_resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
"_shasum": "9a5f699051b1e7073328f2a008968b64ea2955d2",
"_shrinkwrap": null,
"_spec": "array-flatten@1.1.1",
"_where": "/Users/scollado/Documents/controlAcceso/node_modules/express",
"author": {
"name": "Blake Embrey",
"email": "hello@blakeembrey.com",
"url": "http://blakeembrey.me"
},
"bugs": {
"url": "https://github.com/blakeembrey/array-flatten/issues"
},
"dependencies": {},
"description": "Flatten an array of nested arrays into a single flat array",
"devDependencies": {
"istanbul": "^0.3.13",
"mocha": "^2.2.4",
"pre-commit": "^1.0.7",
"standard": "^3.7.3"
},
"directories": {},
"dist": {
"shasum": "9a5f699051b1e7073328f2a008968b64ea2955d2",
"tarball": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz"
},
"files": [
"array-flatten.js",
"LICENSE"
],
"gitHead": "1963a9189229d408e1e8f585a00c8be9edbd1803",
"homepage": "https://github.com/blakeembrey/array-flatten",
"keywords": [
"array",
"flatten",
"arguments",
"depth"
],
"license": "MIT",
"main": "array-flatten.js",
"maintainers": [
{
"name": "blakeembrey",
"email": "hello@blakeembrey.com"
}
],
"name": "array-flatten",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git://github.com/blakeembrey/array-flatten.git"
},
"scripts": {
"test": "istanbul cover _mocha -- -R spec"
},
"version": "1.1.1"
}
lib-cov
lcov.info
*.seed
*.log
*.csv
*.dat
*.out
*.pid
*.gz
pids
logs
results
build
.grunt
node_modules
REPORTER = dot
test:
@./node_modules/.bin/mocha \
--reporter $(REPORTER)
.PHONY: test
# How to
```javascript
var sliceBuffer = require('arraybuffer.slice');
var ab = (new Int8Array(5)).buffer;
var sliced = sliceBuffer(ab, 1, 3);
sliced = sliceBuffer(ab, 1);
```
# Licence (MIT)
Copyright (C) 2013 Rase-
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.
/**
* An abstraction for slicing an arraybuffer even when
* ArrayBuffer.prototype.slice is not supported
*
* @api public
*/
module.exports = function(arraybuffer, start, end) {
var bytes = arraybuffer.byteLength;
start = start || 0;
end = end || bytes;
if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
if (start < 0) { start += bytes; }
if (end < 0) { end += bytes; }
if (end > bytes) { end = bytes; }
if (start >= bytes || start >= end || bytes === 0) {
return new ArrayBuffer(0);
}
var abv = new Uint8Array(arraybuffer);
var result = new Uint8Array(end - start);
for (var i = start, ii = 0; i < end; i++, ii++) {
result[ii] = abv[i];
}
return result.buffer;
};
{
"_args": [
[
{
"raw": "arraybuffer.slice@0.0.6",
"scope": null,
"escapedName": "arraybuffer.slice",
"name": "arraybuffer.slice",
"rawSpec": "0.0.6",
"spec": "0.0.6",
"type": "version"
},
"/Users/scollado/controlAcceso/node_modules/engine.io-parser"
]
],
"_from": "arraybuffer.slice@0.0.6",
"_id": "arraybuffer.slice@0.0.6",
"_inCache": true,
"_location": "/arraybuffer.slice",
"_npmUser": {
"name": "rase-",
"email": "tonykovanen@hotmail.com"
},
"_npmVersion": "1.3.5",
"_phantomChildren": {},
"_requested": {
"raw": "arraybuffer.slice@0.0.6",
"scope": null,
"escapedName": "arraybuffer.slice",
"name": "arraybuffer.slice",
"rawSpec": "0.0.6",
"spec": "0.0.6",
"type": "version"
},
"_requiredBy": [
"/engine.io-parser"
],
"_resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.6.tgz",
"_shasum": "f33b2159f0532a3f3107a272c0ccfbd1ad2979ca",
"_shrinkwrap": null,
"_spec": "arraybuffer.slice@0.0.6",
"_where": "/Users/scollado/controlAcceso/node_modules/engine.io-parser",
"bugs": {
"url": "https://github.com/rase-/arraybuffer.slice/issues"
},
"dependencies": {},
"description": "Exports a function for slicing ArrayBuffers (no polyfilling)",
"devDependencies": {
"expect.js": "0.2.0",
"mocha": "1.17.1"
},
"directories": {},
"dist": {
"shasum": "f33b2159f0532a3f3107a272c0ccfbd1ad2979ca",
"tarball": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.6.tgz"
},
"homepage": "https://github.com/rase-/arraybuffer.slice",
"maintainers": [
{
"name": "rase-",
"email": "tonykovanen@hotmail.com"
}
],
"name": "arraybuffer.slice",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git+ssh://git@github.com/rase-/arraybuffer.slice.git"
},
"version": "0.0.6"
}
/*
* Test dependencies
*/
var sliceBuffer = require('../index.js');
var expect = require('expect.js');
/**
* Tests
*/
describe('sliceBuffer', function() {
describe('using standard slice', function() {
it('should slice correctly with only start provided', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var sliced = sliceBuffer(abv.buffer, 3);
var sabv = new Uint8Array(sliced);
for (var i = 3, ii = 0; i < abv.length; i++, ii++) {
expect(abv[i]).to.equal(sabv[ii]);
}
});
it('should slice correctly with start and end provided', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var sliced = sliceBuffer(abv.buffer, 3, 8);
var sabv = new Uint8Array(sliced);
for (var i = 3, ii = 0; i < 8; i++, ii++) {
expect(abv[i]).to.equal(sabv[ii]);
}
});
it('should slice correctly with negative start', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var sliced = sliceBuffer(abv.buffer, -3);
var sabv = new Uint8Array(sliced);
for (var i = abv.length - 3, ii = 0; i < abv.length; i++, ii++) {
expect(abv[i]).to.equal(sabv[ii]);
}
});
it('should slice correctly with negative end', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var sliced = sliceBuffer(abv.buffer, 0, -3);
var sabv = new Uint8Array(sliced);
for (var i = 0, ii = 0; i < abv.length - 3; i++, ii++) {
expect(abv[i]).to.equal(sabv[ii]);
}
});
it('should slice correctly with negative start and end', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var sliced = sliceBuffer(abv.buffer, -6, -3);
var sabv = new Uint8Array(sliced);
for (var i = abv.length - 6, ii = 0; i < abv.length - 3; i++, ii++) {
expect(abv[i]).to.equal(sabv[ii]);
}
});
it('should slice correctly with equal start and end', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var sliced = sliceBuffer(abv.buffer, 1, 1);
expect(sliced.byteLength).to.equal(0);
});
it('should slice correctly when end larger than buffer', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var sliced = sliceBuffer(abv.buffer, 0, 100);
expect(new Uint8Array(sliced)).to.eql(abv);
});
it('shoud slice correctly when start larger than end', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var sliced = sliceBuffer(abv.buffer, 6, 5);
expect(sliced.byteLength).to.equal(0);
});
});
describe('using fallback', function() {
it('should slice correctly with only start provided', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var ab = abv.buffer;
ab.slice = undefined;
var sliced = sliceBuffer(ab, 3);
var sabv = new Uint8Array(sliced);
for (var i = 3, ii = 0; i < abv.length; i++, ii++) {
expect(abv[i]).to.equal(sabv[ii]);
}
});
it('should slice correctly with start and end provided', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var ab = abv.buffer;
ab.slice = undefined;
var sliced = sliceBuffer(ab, 3, 8);
var sabv = new Uint8Array(sliced);
for (var i = 3, ii = 0; i < 8; i++, ii++) {
expect(abv[i]).to.equal(sabv[ii]);
}
});
it('should slice correctly with negative start', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var ab = abv.buffer;
ab.slice = undefined;
var sliced = sliceBuffer(ab, -3);
var sabv = new Uint8Array(sliced);
for (var i = abv.length - 3, ii = 0; i < abv.length; i++, ii++) {
expect(abv[i]).to.equal(sabv[ii]);
}
});
it('should slice correctly with negative end', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var ab = abv.buffer;
ab.slice = undefined;
var sliced = sliceBuffer(ab, 0, -3);
var sabv = new Uint8Array(sliced);
for (var i = 0, ii = 0; i < abv.length - 3; i++, ii++) {
expect(abv[i]).to.equal(sabv[ii]);
}
});
it('should slice correctly with negative start and end', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var ab = abv.buffer;
ab.slice = undefined;
var sliced = sliceBuffer(ab, -6, -3);
var sabv = new Uint8Array(sliced);
for (var i = abv.length - 6, ii = 0; i < abv.length - 3; i++, ii++) {
expect(abv[i]).to.equal(sabv[ii]);
}
});
it('should slice correctly with equal start and end', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var ab = abv.buffer;
ab.slice = undefined;
var sliced = sliceBuffer(ab, 1, 1);
expect(sliced.byteLength).to.equal(0);
});
it('should slice correctly when end larger than buffer', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var ab = abv.buffer;
ab.slice = undefined;
var sliced = sliceBuffer(ab, 0, 100);
var sabv = new Uint8Array(sliced);
for (var i = 0; i < abv.length; i++) {
expect(abv[i]).to.equal(sabv[i]);
}
});
it('shoud slice correctly when start larger than end', function() {
var abv = new Uint8Array(10);
for (var i = 0; i < abv.length; i++) {
abv[i] = i;
}
var ab = abv.buffer;
ab.slice = undefined;
var sliced = sliceBuffer(ab, 6, 5);
expect(sliced.byteLength).to.equal(0);
});
});
});
language: node_js
node_js:
- "6"
- "node"
script: npm run travis
cache:
yarn: true
The MIT License (MIT)
Copyright (c) 2017 Samuel Reed <samuel.trace.reed@gmail.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.
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<h2>
Statements: <span class="metric">100% <small>(37 / 37)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Branches: <span class="metric">92.86% <small>(13 / 14)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Functions: <span class="metric">100% <small>(7 / 7)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Lines: <span class="metric">100% <small>(37 / 37)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
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<div class="path"><a href="../index.html">All files</a> &#187; async-throttle/</div>
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<th data-col="file" data-fmt="html" data-html="true" class="file">File</th>
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<td class="file high" data-value="index.js"><a href="index.js.html">index.js</a></td>
<td data-value="100" class="pic high"><span class="cover-fill cover-full" style="width: 100px;"></span><span class="cover-empty" style="width:0px;"></span></td>
<td data-value="100" class="pct high">100%</td>
<td data-value="37" class="abs high">(37&nbsp;/&nbsp;37)</td>
<td data-value="92.86" class="pct high">92.86%</td>
<td data-value="14" class="abs high">(13&nbsp;/&nbsp;14)</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="7" class="abs high">(7&nbsp;/&nbsp;7)</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="37" class="abs high">(37&nbsp;/&nbsp;37)</td>
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<h2>
Statements: <span class="metric">100% <small>(37 / 37)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Branches: <span class="metric">92.86% <small>(13 / 14)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Functions: <span class="metric">100% <small>(7 / 7)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
Lines: <span class="metric">100% <small>(37 / 37)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
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<div class="path"><a href="../index.html">All files</a> &#187; <a href="index.html">async-throttle/</a> &#187; index.js</div>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">'use strict';
&nbsp;
function Queue(options) {
if (!(this instanceof Queue)) {
return new Queue(options);
}
&nbsp;
options = options || {};
this.concurrency = options.concurrency || Infinity;
this.pending = 0;
this.jobs = [];
this.cbs = [];
this._done = done.bind(this);
}
&nbsp;
var arrayAddMethods = [
'push',
'unshift',
'splice'
];
&nbsp;
arrayAddMethods.forEach(function(method) {
Queue.prototype[method] = function() {
var methodResult = Array.prototype[method].apply(this.jobs, arguments);
this._run();
return methodResult;
};
});
&nbsp;
Object.defineProperty(Queue.prototype, 'length', {
get: function() {
return this.pending + this.jobs.length;
}
});
&nbsp;
Queue.prototype._run = function() {
if (this.pending === this.concurrency) {
return;
}
if (this.jobs.length) {
var job = this.jobs.shift();
this.pending++;
job(this._done);
this._run();
}
&nbsp;
if (this.pending === 0) {
while (this.cbs.length !== 0) {
var cb = this.cbs.pop();
process.nextTick(cb);
}
}
};
&nbsp;
Queue.prototype.onDone = function(cb) {
<span class="missing-if-branch" title="else path not taken" >E</span>if (typeof cb === 'function') {
this.cbs.push(cb);
this._run();
}
};
&nbsp;
function done() {
this.pending--;
this._run();
}
&nbsp;
module.exports = Queue;
&nbsp;</pre></td></tr>
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<th data-col="functions_raw" data-type="number" data-fmt="html" class="abs"></th>
<th data-col="lines" data-type="number" data-fmt="pct" class="pct">Lines</th>
<th data-col="lines_raw" data-type="number" data-fmt="html" class="abs"></th>
</tr>
</thead>
<tbody><tr>
<td class="file high" data-value="async-throttle/"><a href="async-throttle/index.html">async-throttle/</a></td>
<td data-value="100" class="pic high"><span class="cover-fill cover-full" style="width: 100px;"></span><span class="cover-empty" style="width:0px;"></span></td>
<td data-value="100" class="pct high">100%</td>
<td data-value="37" class="abs high">(37&nbsp;/&nbsp;37)</td>
<td data-value="92.86" class="pct high">92.86%</td>
<td data-value="14" class="abs high">(13&nbsp;/&nbsp;14)</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="7" class="abs high">(7&nbsp;/&nbsp;7)</td>
<td data-value="100" class="pct high">100%</td>
<td data-value="37" class="abs high">(37&nbsp;/&nbsp;37)</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="footer">
<div class="meta">Generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Mon Sep 11 2017 11:14:14 GMT-0500 (CDT)</div>
</div>
<script src="prettify.js"></script>
<script>
window.onload = function () {
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prettyPrint();
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// returns the th element for nth column
function getNthColumn(n) { return getTableHeader().querySelectorAll('th')[n]; }
// loads all columns
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var colNodes = getTableHeader().querySelectorAll('th'),
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cols = [],
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tableBody = document.querySelector('.coverage-summary tbody'),
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tableBody.removeChild(rowNodes[i]);
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var col = getNthColumn(currentSort.index),
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getNthColumn(currentSort.index).className += currentSort.desc ? ' sorted-desc' : ' sorted';
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function enableUI() {
var i,
el,
ithSorter = function ithSorter(i) {
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return function () {
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if (currentSort.index === i) {
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sortByIndex(i, desc);
removeSortIndicators();
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currentSort.desc = desc;
addSortIndicators();
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TN:
SF:/Users/samuelreed/git/forks/async-throttle/index.js
FN:3,Queue
FN:22,(anonymous_2)
FN:23,(anonymous_3)
FN:31,(anonymous_4)
FN:36,(anonymous_5)
FN:55,(anonymous_6)
FN:62,done
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FNDA:45,(anonymous_5)
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end_of_record
'use strict';
function Queue(options) {
if (!(this instanceof Queue)) {
return new Queue(options);
}
options = options || {};
this.concurrency = options.concurrency || Infinity;
this.pending = 0;
this.jobs = [];
this.cbs = [];
this._done = done.bind(this);
}
var arrayAddMethods = [
'push',
'unshift',
'splice'
];
arrayAddMethods.forEach(function(method) {
Queue.prototype[method] = function() {
var methodResult = Array.prototype[method].apply(this.jobs, arguments);
this._run();
return methodResult;
};
});
Object.defineProperty(Queue.prototype, 'length', {
get: function() {
return this.pending + this.jobs.length;
}
});
Queue.prototype._run = function() {
if (this.pending === this.concurrency) {
return;
}
if (this.jobs.length) {
var job = this.jobs.shift();
this.pending++;
job(this._done);
this._run();
}
if (this.pending === 0) {
while (this.cbs.length !== 0) {
var cb = this.cbs.pop();
process.nextTick(cb);
}
}
};
Queue.prototype.onDone = function(cb) {
if (typeof cb === 'function') {
this.cbs.push(cb);
this._run();
}
};
function done() {
this.pending--;
this._run();
}
module.exports = Queue;
{
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"scope": null,
"escapedName": "async-limiter",
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"spec": ">=1.0.0 <1.1.0",
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},
"dependencies": {},
"description": "asynchronous function queue with adjustable concurrency",
"devDependencies": {
"coveralls": "^2.11.2",
"eslint": "^4.6.1",
"eslint-plugin-mocha": "^4.11.0",
"intelli-espower-loader": "^1.0.1",
"istanbul": "^0.3.2",
"mocha": "^3.5.2",
"power-assert": "^1.4.4"
},
"directories": {},
"dist": {
"integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
"shasum": "78faed8c3d074ab81f22b4e985d79e8738f720f8",
"tarball": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz"
},
"gitHead": "02c8b498279dc7cc1ecc1c4f6fc9ca320c0ce39b",
"homepage": "https://github.com/strml/async-limiter#readme",
"keywords": [
"throttle",
"async",
"limiter",
"asynchronous",
"job",
"task",
"concurrency",
"concurrent"
],
"license": "MIT",
"maintainers": [
{
"name": "strml",
"email": "samuel.trace.reed@gmail.com"
}
],
"name": "async-limiter",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git+https://github.com/strml/async-limiter.git"
},
"scripts": {
"coverage": "istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | coveralls",
"example": "node example",
"lint": "eslint .",
"test": "mocha --R intelli-espower-loader test/",
"travis": "npm run lint && npm run coverage"
},
"version": "1.0.0"
}
# Async-Limiter
A module for limiting concurrent asynchronous actions in flight. Forked from [queue](https://github.com/jessetane/queue).
[![npm](http://img.shields.io/npm/v/async-limiter.svg?style=flat-square)](http://www.npmjs.org/async-limiter)
[![tests](https://img.shields.io/travis/STRML/async-limiter.svg?style=flat-square&branch=master)](https://travis-ci.org/STRML/async-limiter)
[![coverage](https://img.shields.io/coveralls/STRML/async-limiter.svg?style=flat-square&branch=master)](https://coveralls.io/r/STRML/async-limiter)
This module exports a class `Limiter` that implements some of the `Array` API.
Pass async functions (ones that accept a callback or return a promise) to an instance's additive array methods.
## Motivation
Certain functions, like `zlib`, have [undesirable behavior](https://github.com/nodejs/node/issues/8871#issuecomment-250915913) when
run at infinite concurrency.
In this case, it is actually faster, and takes far less memory, to limit concurrency.
This module should do the absolute minimum work necessary to queue up functions. PRs are welcome that would
make this module faster or lighter, but new functionality is not desired.
Style should confirm to nodejs/node style.
## Example
``` javascript
var Limiter = require('async-limiter')
var t = new Limiter({concurrency: 2});
var results = []
// add jobs using the familiar Array API
t.push(function (cb) {
results.push('two')
cb()
})
t.push(
function (cb) {
results.push('four')
cb()
},
function (cb) {
results.push('five')
cb()
}
)
t.unshift(function (cb) {
results.push('one')
cb()
})
t.splice(2, 0, function (cb) {
results.push('three')
cb()
})
// Jobs run automatically. If you want a callback when all are done,
// call 'onDone()'.
t.onDone(function () {
console.log('all done:', results)
})
```
## Zlib Example
```js
const zlib = require('zlib');
const Limiter = require('async-limiter');
const message = {some: "data"};
const payload = new Buffer(JSON.stringify(message));
// Try with different concurrency values to see how this actually
// slows significantly with higher concurrency!
//
// 5: 1398.607ms
// 10: 1375.668ms
// Infinity: 4423.300ms
//
const t = new Limiter({concurrency: 5});
function deflate(payload, cb) {
t.push(function(done) {
zlib.deflate(payload, function(err, buffer) {
done();
cb(err, buffer);
});
});
}
console.time('deflate');
for(let i = 0; i < 30000; ++i) {
deflate(payload, function (err, buffer) {});
}
q.onDone(function() {
console.timeEnd('deflate');
});
```
## Install
`npm install async-limiter`
## Test
`npm test`
## API
### `var t = new Limiter([opts])`
Constructor. `opts` may contain inital values for:
* `q.concurrency`
## Instance methods
### `q.onDone(fn)`
`fn` will be called once and only once, when the queue is empty.
## Instance methods mixed in from `Array`
Mozilla has docs on how these methods work [here](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array).
### `q.push(element1, ..., elementN)`
### `q.unshift(element1, ..., elementN)`
### `q.splice(index , howMany[, element1[, ...[, elementN]]])`
## Properties
### `q.concurrency`
Max number of jobs the queue should process concurrently, defaults to `Infinity`.
### `q.length`
Jobs pending + jobs to process (readonly).
1.0.1 / 2014-02-17
==================
* go away decimal point
* history
1.0.0 / 2014-02-17
==================
* add jitter option
* Initial commit
test:
@./node_modules/.bin/mocha \
--require should \
--reporter dot \
--bail
.PHONY: test
\ No newline at end of file
# backo
Simple exponential backoff because the others seem to have weird abstractions.
## Installation
```
$ npm install backo
```
## Options
- `min` initial timeout in milliseconds [100]
- `max` max timeout [10000]
- `jitter` [0]
- `factor` [2]
## Example
```js
var Backoff = require('backo');
var backoff = new Backoff({ min: 100, max: 20000 });
setTimeout(function(){
something.reconnect();
}, backoff.duration());
// later when something works
backoff.reset()
```
# License
MIT
{
"name": "backo",
"repo": "segmentio/backo",
"dependencies": {},
"version": "1.0.1",
"description": "simple backoff without the weird abstractions",
"keywords": ["backoff"],
"license": "MIT",
"scripts": ["index.js"],
"main": "index.js"
}
/**
* Expose `Backoff`.
*/
module.exports = Backoff;
/**
* Initialize backoff timer with `opts`.
*
* - `min` initial timeout in milliseconds [100]
* - `max` max timeout [10000]
* - `jitter` [0]
* - `factor` [2]
*
* @param {Object} opts
* @api public
*/
function Backoff(opts) {
opts = opts || {};
this.ms = opts.min || 100;
this.max = opts.max || 10000;
this.factor = opts.factor || 2;
this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
this.attempts = 0;
}
/**
* Return the backoff duration.
*
* @return {Number}
* @api public
*/
Backoff.prototype.duration = function(){
var ms = this.ms * Math.pow(this.factor, this.attempts++);
if (this.jitter) {
var rand = Math.random();
var deviation = Math.floor(rand * this.jitter * ms);
ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
}
return Math.min(ms, this.max) | 0;
};
/**
* Reset the number of attempts.
*
* @api public
*/
Backoff.prototype.reset = function(){
this.attempts = 0;
};
/**
* Set the minimum duration
*
* @api public
*/
Backoff.prototype.setMin = function(min){
this.ms = min;
};
/**
* Set the maximum duration
*
* @api public
*/
Backoff.prototype.setMax = function(max){
this.max = max;
};
/**
* Set the jitter
*
* @api public
*/
Backoff.prototype.setJitter = function(jitter){
this.jitter = jitter;
};
{
"_args": [
[
{
"raw": "backo2@1.0.2",
"scope": null,
"escapedName": "backo2",
"name": "backo2",
"rawSpec": "1.0.2",
"spec": "1.0.2",
"type": "version"
},
"/Users/scollado/controlAcceso/node_modules/socket.io-client"
]
],
"_from": "backo2@1.0.2",
"_id": "backo2@1.0.2",
"_inCache": true,
"_location": "/backo2",
"_npmUser": {
"name": "mokesmokes",
"email": "mokesmokes@gmail.com"
},
"_npmVersion": "1.4.28",
"_phantomChildren": {},
"_requested": {
"raw": "backo2@1.0.2",
"scope": null,
"escapedName": "backo2",
"name": "backo2",
"rawSpec": "1.0.2",
"spec": "1.0.2",
"type": "version"
},
"_requiredBy": [
"/socket.io-client"
],
"_resolved": "https://registry.npmjs.org/backo2/-/backo2-1.0.2.tgz",
"_shasum": "31ab1ac8b129363463e35b3ebb69f4dfcfba7947",
"_shrinkwrap": null,
"_spec": "backo2@1.0.2",
"_where": "/Users/scollado/controlAcceso/node_modules/socket.io-client",
"bugs": {
"url": "https://github.com/mokesmokes/backo/issues"
},
"dependencies": {},
"description": "simple backoff based on segmentio/backo",
"devDependencies": {
"mocha": "*",
"should": "*"
},
"directories": {},
"dist": {
"shasum": "31ab1ac8b129363463e35b3ebb69f4dfcfba7947",
"tarball": "https://registry.npmjs.org/backo2/-/backo2-1.0.2.tgz"
},
"gitHead": "3e695bade7756fef2295e8883bf3570a06e5d9ec",
"homepage": "https://github.com/mokesmokes/backo",
"keywords": [
"backoff"
],
"license": "MIT",
"maintainers": [
{
"name": "mokesmokes",
"email": "mokesmokes@gmail.com"
}
],
"name": "backo2",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git+https://github.com/mokesmokes/backo.git"
},
"scripts": {},
"version": "1.0.2"
}
var Backoff = require('..');
var assert = require('assert');
describe('.duration()', function(){
it('should increase the backoff', function(){
var b = new Backoff;
assert(100 == b.duration());
assert(200 == b.duration());
assert(400 == b.duration());
assert(800 == b.duration());
b.reset();
assert(100 == b.duration());
assert(200 == b.duration());
})
})
\ No newline at end of file
/node_modules/
Gruntfile.js
/test/
language: node_js
node_js:
- '0.12'
- iojs-1
- iojs-2
- iojs-3
- '4.1'
before_script:
- npm install
before_install: npm install -g npm@'>=2.13.5'
deploy:
provider: npm
email: niklasvh@gmail.com
api_key:
secure: oHV9ArprTj5WOk7MP1UF7QMJ70huXw+y7xXb5wF4+V2H8Hyfa5TfE0DiOmqrube1WXTeH1FLgq54shp/sJWi47Hkg/GyeoB5NnsPhYEaJkaON9UG5blML+ODiNVsEnq/1kNBQ8e0+0JItMPLGySKyFmuZ3yflulXKS8O88mfINo=
on:
tags: true
branch: master
repo: niklasvh/base64-arraybuffer
Copyright (c) 2012 Niklas von Hertzen
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.
# base64-arraybuffer
[![Build Status](https://travis-ci.org/niklasvh/base64-arraybuffer.png)](https://travis-ci.org/niklasvh/base64-arraybuffer)
[![NPM Downloads](https://img.shields.io/npm/dm/base64-arraybuffer.svg)](https://www.npmjs.org/package/base64-arraybuffer)
[![NPM Version](https://img.shields.io/npm/v/base64-arraybuffer.svg)](https://www.npmjs.org/package/base64-arraybuffer)
Encode/decode base64 data into ArrayBuffers
## Getting Started
Install the module with: `npm install base64-arraybuffer`
## API
The library encodes and decodes base64 to and from ArrayBuffers
- __encode(buffer)__ - Encodes `ArrayBuffer` into base64 string
- __decode(str)__ - Decodes base64 string to `ArrayBuffer`
## License
Copyright (c) 2012 Niklas von Hertzen
Licensed under the MIT license.
/*
* base64-arraybuffer
* https://github.com/niklasvh/base64-arraybuffer
*
* Copyright (c) 2012 Niklas von Hertzen
* Licensed under the MIT license.
*/
(function(){
"use strict";
var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
// Use a lookup table to find the index.
var lookup = new Uint8Array(256);
for (var i = 0; i < chars.length; i++) {
lookup[chars.charCodeAt(i)] = i;
}
exports.encode = function(arraybuffer) {
var bytes = new Uint8Array(arraybuffer),
i, len = bytes.length, base64 = "";
for (i = 0; i < len; i+=3) {
base64 += chars[bytes[i] >> 2];
base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
base64 += chars[bytes[i + 2] & 63];
}
if ((len % 3) === 2) {
base64 = base64.substring(0, base64.length - 1) + "=";
} else if (len % 3 === 1) {
base64 = base64.substring(0, base64.length - 2) + "==";
}
return base64;
};
exports.decode = function(base64) {
var bufferLength = base64.length * 0.75,
len = base64.length, i, p = 0,
encoded1, encoded2, encoded3, encoded4;
if (base64[base64.length - 1] === "=") {
bufferLength--;
if (base64[base64.length - 2] === "=") {
bufferLength--;
}
}
var arraybuffer = new ArrayBuffer(bufferLength),
bytes = new Uint8Array(arraybuffer);
for (i = 0; i < len; i+=4) {
encoded1 = lookup[base64.charCodeAt(i)];
encoded2 = lookup[base64.charCodeAt(i+1)];
encoded3 = lookup[base64.charCodeAt(i+2)];
encoded4 = lookup[base64.charCodeAt(i+3)];
bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
}
return arraybuffer;
};
})();
{
"_args": [
[
{
"raw": "base64-arraybuffer@0.1.5",
"scope": null,
"escapedName": "base64-arraybuffer",
"name": "base64-arraybuffer",
"rawSpec": "0.1.5",
"spec": "0.1.5",
"type": "version"
},
"/Users/scollado/controlAcceso/node_modules/engine.io-parser"
]
],
"_from": "base64-arraybuffer@0.1.5",
"_id": "base64-arraybuffer@0.1.5",
"_inCache": true,
"_location": "/base64-arraybuffer",
"_nodeVersion": "2.5.0",
"_npmUser": {
"name": "niklasvh",
"email": "niklasvh@gmail.com"
},
"_npmVersion": "3.4.0",
"_phantomChildren": {},
"_requested": {
"raw": "base64-arraybuffer@0.1.5",
"scope": null,
"escapedName": "base64-arraybuffer",
"name": "base64-arraybuffer",
"rawSpec": "0.1.5",
"spec": "0.1.5",
"type": "version"
},
"_requiredBy": [
"/engine.io-parser",
"/socket.io-client"
],
"_resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz",
"_shasum": "73926771923b5a19747ad666aa5cd4bf9c6e9ce8",
"_shrinkwrap": null,
"_spec": "base64-arraybuffer@0.1.5",
"_where": "/Users/scollado/controlAcceso/node_modules/engine.io-parser",
"author": {
"name": "Niklas von Hertzen",
"email": "niklasvh@gmail.com",
"url": "http://hertzen.com"
},
"bugs": {
"url": "https://github.com/niklasvh/base64-arraybuffer/issues"
},
"dependencies": {},
"description": "Encode/decode base64 data into ArrayBuffers",
"devDependencies": {
"grunt": "^0.4.5",
"grunt-cli": "^0.1.13",
"grunt-contrib-jshint": "^0.11.2",
"grunt-contrib-nodeunit": "^0.4.1",
"grunt-contrib-watch": "^0.6.1"
},
"directories": {},
"dist": {
"shasum": "73926771923b5a19747ad666aa5cd4bf9c6e9ce8",
"tarball": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz"
},
"engines": {
"node": ">= 0.6.0"
},
"gitHead": "e9457ccb7b140f5ae54a2880c8e9b967ffb03a7d",
"homepage": "https://github.com/niklasvh/base64-arraybuffer",
"keywords": [],
"licenses": [
{
"type": "MIT",
"url": "https://github.com/niklasvh/base64-arraybuffer/blob/master/LICENSE-MIT"
}
],
"main": "lib/base64-arraybuffer",
"maintainers": [
{
"name": "niklasvh",
"email": "niklasvh@gmail.com"
}
],
"name": "base64-arraybuffer",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git+https://github.com/niklasvh/base64-arraybuffer.git"
},
"scripts": {
"test": "grunt nodeunit"
},
"version": "0.1.5"
}
(The MIT License)
Copyright (c) 2012-2016 Kristian Faeldt <faeldt_kristian@cyberagent.co.jp>
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.
base64id
========
Node.js module that generates a base64 id.
Uses crypto.randomBytes when available, falls back to unsafe methods for node.js <= 0.4.
To increase performance, random bytes are buffered to minimize the number of synchronous calls to crypto.randomBytes.
## Installation
$ npm install base64id
## Usage
var base64id = require('base64id');
var id = base64id.generateId();
/*!
* base64id v0.1.0
*/
/**
* Module dependencies
*/
var crypto = require('crypto');
/**
* Constructor
*/
var Base64Id = function() { };
/**
* Get random bytes
*
* Uses a buffer if available, falls back to crypto.randomBytes
*/
Base64Id.prototype.getRandomBytes = function(bytes) {
var BUFFER_SIZE = 4096
var self = this;
bytes = bytes || 12;
if (bytes > BUFFER_SIZE) {
return crypto.randomBytes(bytes);
}
var bytesInBuffer = parseInt(BUFFER_SIZE/bytes);
var threshold = parseInt(bytesInBuffer*0.85);
if (!threshold) {
return crypto.randomBytes(bytes);
}
if (this.bytesBufferIndex == null) {
this.bytesBufferIndex = -1;
}
if (this.bytesBufferIndex == bytesInBuffer) {
this.bytesBuffer = null;
this.bytesBufferIndex = -1;
}
// No buffered bytes available or index above threshold
if (this.bytesBufferIndex == -1 || this.bytesBufferIndex > threshold) {
if (!this.isGeneratingBytes) {
this.isGeneratingBytes = true;
crypto.randomBytes(BUFFER_SIZE, function(err, bytes) {
self.bytesBuffer = bytes;
self.bytesBufferIndex = 0;
self.isGeneratingBytes = false;
});
}
// Fall back to sync call when no buffered bytes are available
if (this.bytesBufferIndex == -1) {
return crypto.randomBytes(bytes);
}
}
var result = this.bytesBuffer.slice(bytes*this.bytesBufferIndex, bytes*(this.bytesBufferIndex+1));
this.bytesBufferIndex++;
return result;
}
/**
* Generates a base64 id
*
* (Original version from socket.io <http://socket.io>)
*/
Base64Id.prototype.generateId = function () {
var rand = new Buffer(15); // multiple of 3 for base64
if (!rand.writeInt32BE) {
return Math.abs(Math.random() * Math.random() * Date.now() | 0).toString()
+ Math.abs(Math.random() * Math.random() * Date.now() | 0).toString();
}
this.sequenceNumber = (this.sequenceNumber + 1) | 0;
rand.writeInt32BE(this.sequenceNumber, 11);
if (crypto.randomBytes) {
this.getRandomBytes(12).copy(rand);
} else {
// not secure for node 0.4
[0, 4, 8].forEach(function(i) {
rand.writeInt32BE(Math.random() * Math.pow(2, 32) | 0, i);
});
}
return rand.toString('base64').replace(/\//g, '_').replace(/\+/g, '-');
};
/**
* Export
*/
exports = module.exports = new Base64Id();
{
"_args": [
[
{
"raw": "base64id@1.0.0",
"scope": null,
"escapedName": "base64id",
"name": "base64id",
"rawSpec": "1.0.0",
"spec": "1.0.0",
"type": "version"
},
"/Users/scollado/controlAcceso/node_modules/engine.io"
]
],
"_from": "base64id@1.0.0",
"_id": "base64id@1.0.0",
"_inCache": true,
"_location": "/base64id",
"_nodeVersion": "4.4.7",
"_npmOperationalInternal": {
"host": "packages-18-east.internal.npmjs.com",
"tmp": "tmp/base64id-1.0.0.tgz_1480551701495_0.042360062478110194"
},
"_npmUser": {
"name": "darrachequesne",
"email": "damien.arrachequesne@gmail.com"
},
"_npmVersion": "2.15.8",
"_phantomChildren": {},
"_requested": {
"raw": "base64id@1.0.0",
"scope": null,
"escapedName": "base64id",
"name": "base64id",
"rawSpec": "1.0.0",
"spec": "1.0.0",
"type": "version"
},
"_requiredBy": [
"/engine.io"
],
"_resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
"_shasum": "47688cb99bb6804f0e06d3e763b1c32e57d8e6b6",
"_shrinkwrap": null,
"_spec": "base64id@1.0.0",
"_where": "/Users/scollado/controlAcceso/node_modules/engine.io",
"author": {
"name": "Kristian Faeldt",
"email": "faeldt_kristian@cyberagent.co.jp"
},
"bugs": {
"url": "https://github.com/faeldt/base64id/issues"
},
"dependencies": {},
"description": "Generates a base64 id",
"devDependencies": {},
"directories": {},
"dist": {
"shasum": "47688cb99bb6804f0e06d3e763b1c32e57d8e6b6",
"tarball": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz"
},
"engines": {
"node": ">= 0.4.0"
},
"gitHead": "3c846f0818ff88b683ad39fde2f8e015ce0f9807",
"homepage": "https://github.com/faeldt/base64id#readme",
"license": "MIT",
"main": "./lib/base64id.js",
"maintainers": [
{
"name": "darrachequesne",
"email": "damien.arrachequesne@gmail.com"
},
{
"name": "faeldt_kristian",
"email": "kristian.faeldt@gmail.com"
}
],
"name": "base64id",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git+https://github.com/faeldt/base64id.git"
},
"scripts": {},
"version": "1.0.0"
}
support
test
examples
*.sock
1.0.0 / 2013-02-03
==================
* Stop using the removed magic __stack global getter
0.1.0 / 2012-10-04
==================
* add throwing of AssertionError for test frameworks etc
0.0.1 / 2010-01-03
==================
* Initial release
test:
@echo "populate me"
.PHONY: test
\ No newline at end of file
# better-assert
Better c-style assertions using [callsite](https://github.com/visionmedia/callsite) for
self-documenting failure messages.
## Installation
$ npm install better-assert
## Example
By default assertions are enabled, however the __NO_ASSERT__ environment variable
will deactivate them when truthy.
```js
var assert = require('better-assert');
test();
function test() {
var user = { name: 'tobi' };
assert('tobi' == user.name);
assert('number' == typeof user.age);
}
AssertionError: 'number' == typeof user.age
at test (/Users/tj/projects/better-assert/example.js:9:3)
at Object.<anonymous> (/Users/tj/projects/better-assert/example.js:4:1)
at Module._compile (module.js:449:26)
at Object.Module._extensions..js (module.js:467:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Module.runMain (module.js:492:10)
at process.startup.processNextTick.process._tickCallback (node.js:244:9)
```
## License
(The MIT License)
Copyright (c) 2012 TJ Holowaychuk &lt;tj@vision-media.ca&gt;
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.
\ No newline at end of file
var assert = require('./');
test();
function test() {
var user = { name: 'tobi' };
assert('tobi' == user.name);
assert('number' == typeof user.age);
}
\ No newline at end of file
/**
* Module dependencies.
*/
var AssertionError = require('assert').AssertionError
, callsite = require('callsite')
, fs = require('fs')
/**
* Expose `assert`.
*/
module.exports = process.env.NO_ASSERT
? function(){}
: assert;
/**
* Assert the given `expr`.
*/
function assert(expr) {
if (expr) return;
var stack = callsite();
var call = stack[1];
var file = call.getFileName();
var lineno = call.getLineNumber();
var src = fs.readFileSync(file, 'utf8');
var line = src.split('\n')[lineno-1];
var src = line.match(/assert\((.*)\)/)[1];
var err = new AssertionError({
message: src,
stackStartFunction: stack[0].getFunction()
});
throw err;
}
{
"_args": [
[
{
"raw": "better-assert@~1.0.0",
"scope": null,
"escapedName": "better-assert",
"name": "better-assert",
"rawSpec": "~1.0.0",
"spec": ">=1.0.0 <1.1.0",
"type": "range"
},
"/Users/scollado/controlAcceso/node_modules/parseqs"
]
],
"_from": "better-assert@>=1.0.0 <1.1.0",
"_id": "better-assert@1.0.2",
"_inCache": true,
"_location": "/better-assert",
"_npmUser": {
"name": "tony_ado",
"email": "coolhzb@163.com"
},
"_npmVersion": "1.4.9",
"_phantomChildren": {},
"_requested": {
"raw": "better-assert@~1.0.0",
"scope": null,
"escapedName": "better-assert",
"name": "better-assert",
"rawSpec": "~1.0.0",
"spec": ">=1.0.0 <1.1.0",
"type": "range"
},
"_requiredBy": [
"/parseqs",
"/parseuri"
],
"_resolved": "https://registry.npmjs.org/better-assert/-/better-assert-1.0.2.tgz",
"_shasum": "40866b9e1b9e0b55b481894311e68faffaebc522",
"_shrinkwrap": null,
"_spec": "better-assert@~1.0.0",
"_where": "/Users/scollado/controlAcceso/node_modules/parseqs",
"author": {
"name": "TJ Holowaychuk",
"email": "tj@vision-media.ca"
},
"bugs": {
"url": "https://github.com/visionmedia/better-assert/issues"
},
"contributors": [
{
"name": "TonyHe",
"email": "coolhzb@163.com"
},
{
"name": "ForbesLindesay"
}
],
"dependencies": {
"callsite": "1.0.0"
},
"description": "Better assertions for node, reporting the expr, filename, lineno etc",
"devDependencies": {},
"directories": {},
"dist": {
"shasum": "40866b9e1b9e0b55b481894311e68faffaebc522",
"tarball": "https://registry.npmjs.org/better-assert/-/better-assert-1.0.2.tgz"
},
"engines": {
"node": "*"
},
"homepage": "https://github.com/visionmedia/better-assert",
"keywords": [
"assert",
"stack",
"trace",
"debug"
],
"main": "index",
"maintainers": [
{
"name": "tjholowaychuk",
"email": "tj@vision-media.ca"
},
{
"name": "tony_ado",
"email": "coolhzb@163.com"
}
],
"name": "better-assert",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git+https://github.com/visionmedia/better-assert.git"
},
"version": "1.0.2"
}
node_modules
blob.js
ui: mocha-bdd
browsers:
- name: chrome
version: 8..latest
- name: firefox
version: 7..latest
- name: safari
version: 6..latest
- name: opera
version: 12.1..latest
- name: ie
version: 10..latest
- name: android
version: latest
REPORTER = dot
build: blob.js
blob.js:
@./node_modules/.bin/browserify --standalone blob index.js > blob.js
test:
@./node_modules/.bin/zuul -- test/index.js
clean:
rm blob.js
.PHONY: test blob.js
Blob
====
A module that exports a constructor that uses window.Blob when available, and a BlobBuilder with any vendor prefix in other cases. If neither is available, it exports undefined.
Usage:
```javascript
var Blob = require('blob');
var b = new Blob(['hi', 'constructing', 'a', 'blob']);
```
## Licence
MIT
/**
* Create a blob builder even when vendor prefixes exist
*/
var BlobBuilder = global.BlobBuilder
|| global.WebKitBlobBuilder
|| global.MSBlobBuilder
|| global.MozBlobBuilder;
/**
* Check if Blob constructor is supported
*/
var blobSupported = (function() {
try {
var a = new Blob(['hi']);
return a.size === 2;
} catch(e) {
return false;
}
})();
/**
* Check if Blob constructor supports ArrayBufferViews
* Fails in Safari 6, so we need to map to ArrayBuffers there.
*/
var blobSupportsArrayBufferView = blobSupported && (function() {
try {
var b = new Blob([new Uint8Array([1,2])]);
return b.size === 2;
} catch(e) {
return false;
}
})();
/**
* Check if BlobBuilder is supported
*/
var blobBuilderSupported = BlobBuilder
&& BlobBuilder.prototype.append
&& BlobBuilder.prototype.getBlob;
/**
* Helper function that maps ArrayBufferViews to ArrayBuffers
* Used by BlobBuilder constructor and old browsers that didn't
* support it in the Blob constructor.
*/
function mapArrayBufferViews(ary) {
for (var i = 0; i < ary.length; i++) {
var chunk = ary[i];
if (chunk.buffer instanceof ArrayBuffer) {
var buf = chunk.buffer;
// if this is a subarray, make a copy so we only
// include the subarray region from the underlying buffer
if (chunk.byteLength !== buf.byteLength) {
var copy = new Uint8Array(chunk.byteLength);
copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
buf = copy.buffer;
}
ary[i] = buf;
}
}
}
function BlobBuilderConstructor(ary, options) {
options = options || {};
var bb = new BlobBuilder();
mapArrayBufferViews(ary);
for (var i = 0; i < ary.length; i++) {
bb.append(ary[i]);
}
return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
};
function BlobConstructor(ary, options) {
mapArrayBufferViews(ary);
return new Blob(ary, options || {});
};
module.exports = (function() {
if (blobSupported) {
return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;
} else if (blobBuilderSupported) {
return BlobBuilderConstructor;
} else {
return undefined;
}
})();
{
"_args": [
[
{
"raw": "blob@0.0.4",
"scope": null,
"escapedName": "blob",
"name": "blob",
"rawSpec": "0.0.4",
"spec": "0.0.4",
"type": "version"
},
"/Users/scollado/controlAcceso/node_modules/engine.io-parser"
]
],
"_from": "blob@0.0.4",
"_id": "blob@0.0.4",
"_inCache": true,
"_location": "/blob",
"_npmUser": {
"name": "rase-",
"email": "tonykovanen@hotmail.com"
},
"_npmVersion": "1.4.6",
"_phantomChildren": {},
"_requested": {
"raw": "blob@0.0.4",
"scope": null,
"escapedName": "blob",
"name": "blob",
"rawSpec": "0.0.4",
"spec": "0.0.4",
"type": "version"
},
"_requiredBy": [
"/engine.io-parser"
],
"_resolved": "https://registry.npmjs.org/blob/-/blob-0.0.4.tgz",
"_shasum": "bcf13052ca54463f30f9fc7e95b9a47630a94921",
"_shrinkwrap": null,
"_spec": "blob@0.0.4",
"_where": "/Users/scollado/controlAcceso/node_modules/engine.io-parser",
"bugs": {
"url": "https://github.com/rase-/blob/issues"
},
"dependencies": {},
"description": "Abstracts out Blob and uses BlobBulder in cases where it is supported with any vendor prefix.",
"devDependencies": {
"browserify": "3.30.1",
"expect.js": "0.2.0",
"mocha": "1.17.1",
"zuul": "1.5.4"
},
"directories": {},
"dist": {
"shasum": "bcf13052ca54463f30f9fc7e95b9a47630a94921",
"tarball": "https://registry.npmjs.org/blob/-/blob-0.0.4.tgz"
},
"homepage": "https://github.com/rase-/blob",
"maintainers": [
{
"name": "rase-",
"email": "tonykovanen@hotmail.com"
}
],
"name": "blob",
"optionalDependencies": {},
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "git+ssh://git@github.com/rase-/blob.git"
},
"scripts": {
"test": "make test"
},
"version": "0.0.4"
}
var Blob = require('../');
var expect = require('expect.js');
describe('blob', function() {
if (!Blob) {
it('should not have a blob or a blob builder in the global namespace, or blob should not be a constructor function if the module exports false', function() {
try {
var ab = (new Uint8Array(5)).buffer;
global.Blob([ab]);
expect().fail('Blob shouldn\'t be constructable');
} catch (e) {}
var BlobBuilder = global.BlobBuilder
|| global.WebKitBlobBuilder
|| global.MSBlobBuilder
|| global.MozBlobBuilder;
expect(BlobBuilder).to.be(undefined);
});
} else {
it('should encode a proper sized blob when given a string argument', function() {
var b = new Blob(['hi']);
expect(b.size).to.be(2);
});
it('should encode a blob with proper size when given two strings as arguments', function() {
var b = new Blob(['hi', 'hello']);
expect(b.size).to.be(7);
});
it('should encode arraybuffers with right content', function(done) {
var ary = new Uint8Array(5);
for (var i = 0; i < 5; i++) ary[i] = i;
var b = new Blob([ary.buffer]);
var fr = new FileReader();
fr.onload = function() {
var newAry = new Uint8Array(this.result);
for (var i = 0; i < 5; i++) expect(newAry[i]).to.be(i);
done();
};
fr.readAsArrayBuffer(b);
});
it('should encode typed arrays with right content', function(done) {
var ary = new Uint8Array(5);
for (var i = 0; i < 5; i++) ary[i] = i;
var b = new Blob([ary]);
var fr = new FileReader();
fr.onload = function() {
var newAry = new Uint8Array(this.result);
for (var i = 0; i < 5; i++) expect(newAry[i]).to.be(i);
done();
};
fr.readAsArrayBuffer(b);
});
it('should encode sliced typed arrays with right content', function(done) {
var ary = new Uint8Array(5);
for (var i = 0; i < 5; i++) ary[i] = i;
var b = new Blob([ary.subarray(2)]);
var fr = new FileReader();
fr.onload = function() {
var newAry = new Uint8Array(this.result);
for (var i = 0; i < 3; i++) expect(newAry[i]).to.be(i + 2);
done();
};
fr.readAsArrayBuffer(b);
});
it('should encode with blobs', function(done) {
var ary = new Uint8Array(5);
for (var i = 0; i < 5; i++) ary[i] = i;
var b = new Blob([new Blob([ary.buffer])]);
var fr = new FileReader();
fr.onload = function() {
var newAry = new Uint8Array(this.result);
for (var i = 0; i < 5; i++) expect(newAry[i]).to.be(i);
done();
};
fr.readAsArrayBuffer(b);
});
it('should enode mixed contents to right size', function() {
var ary = new Uint8Array(5);
for (var i = 0; i < 5; i++) ary[i] = i;
var b = new Blob([ary.buffer, 'hello']);
expect(b.size).to.be(10);
});
it('should accept mime type', function() {
var b = new Blob(['hi', 'hello'], { type: 'text/html' });
expect(b.type).to.be('text/html');
});
}
});
(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.
/*!
* 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) {
var opts = {}
// exclude type option
if (options) {
for (var prop in options) {
if (prop !== 'type') {
opts[prop] = options[prop]
}
}
}
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)
}
/*!
* body-parser
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var createError = require('http-errors')
var getBody = require('raw-body')
var iconv = require('iconv-lite')
var onFinished = require('on-finished')
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)
}
// read off entire request
stream.resume()
onFinished(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
}
/*!
* 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]*(.)/ // eslint-disable-line no-control-regex
/**
* 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, {
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.substr(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 = str.substring(0, index) + '#'
try {
JSON.parse(partial); /* istanbul ignore next */ throw new SyntaxError('strict violation')
} catch (e) {
return normalizeJsonSyntaxError(e, {
message: e.message.replace('#', char),
stack: e.stack
})
}
}
/**
* Get the first non-whitespace character in a string.
*
* @param {string} str
* @return {function}
* @private
*/
function firstchar (str) {
return FIRST_CHAR_REGEXP.exec(str)[1]
}
/**
* 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]
}
}
var props = Object.keys(obj)
for (var j = 0; j < props.length; j++) {
var prop = props[j]
error[prop] = obj[prop]
}
return error
}
/**
* Get the simple type checker.
*
* @param {string} type
* @return {function}
*/
function typeChecker (type) {
return function checkType (req) {
return Boolean(typeis(req, type))
}
}
/*!
* 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))
}
}
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