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1.8.1 / 2025-07-17
==========
* deps: on-headers@~1.1.0
- Fix [CVE-2025-7339](https://www.cve.org/CVERecord?id=CVE-2025-7339) ([GHSA-76c9-3jph-rj3q](https://github.com/expressjs/on-headers/security/advisories/GHSA-76c9-3jph-rj3q))
1.8.0 / 2025-02-10
==================
* Use `res.headersSent` when available
* Replace `_implicitHeader` with `writeHead` property
* add brotli support for versions of node that support it
* Add the enforceEncoding option for requests without `Accept-Encoding` header
1.7.5 / 2024-10-31
==================
* deps: Replace accepts with negotiator@~0.6.4
- Add preference option
* deps: bytes@3.1.2
- Add petabyte (`pb`) support
- Fix "thousandsSeparator" incorrecting formatting fractional part
- Fix return value for un-parsable strings
* deps: compressible@~2.0.18
- Mark `font/ttf` as compressible
- Remove compressible from `multipart/mixed`
- deps: mime-db@'>= 1.43.0 < 2'
* deps: safe-buffer@5.2.1
1.7.4 / 2019-03-18
==================
* deps: compressible@~2.0.16
- Mark `text/less` as compressible
- deps: mime-db@'>= 1.38.0 < 2'
* deps: on-headers@~1.0.2
- Fix `res.writeHead` patch missing return value
* perf: prevent unnecessary buffer copy
1.7.3 / 2018-07-15
==================
* deps: accepts@~1.3.5
- deps: mime-types@~2.1.18
* deps: compressible@~2.0.14
- Mark all XML-derived types as compressible
- deps: mime-db@'>= 1.34.0 < 2'
* deps: safe-buffer@5.1.2
1.7.2 / 2018-02-18
==================
* deps: compressible@~2.0.13
- deps: mime-db@'>= 1.33.0 < 2'
1.7.1 / 2017-09-26
==================
* deps: accepts@~1.3.4
- deps: mime-types@~2.1.16
* deps: bytes@3.0.0
* deps: compressible@~2.0.11
- deps: mime-db@'>= 1.29.0 < 2'
* deps: debug@2.6.9
* deps: vary@~1.1.2
- perf: improve header token parsing speed
1.7.0 / 2017-07-10
==================
* Use `safe-buffer` for improved Buffer API
* deps: bytes@2.5.0
* deps: compressible@~2.0.10
- Fix regex fallback to not override `compressible: false` in db
- deps: mime-db@'>= 1.27.0 < 2'
* deps: debug@2.6.8
- Allow colors in workers
- Deprecated `DEBUG_FD` environment variable set to `3` or higher
- Fix error when running under React Native
- Fix `DEBUG_MAX_ARRAY_LENGTH`
- Use same color for same namespace
- deps: ms@2.0.0
* deps: vary@~1.1.1
- perf: hoist regular expression
1.6.2 / 2016-05-12
==================
* deps: accepts@~1.3.3
- deps: mime-types@~2.1.11
- deps: negotiator@0.6.1
* deps: bytes@2.3.0
- Drop partial bytes on all parsed units
- Fix parsing byte string that looks like hex
- perf: hoist regular expressions
* deps: compressible@~2.0.8
- deps: mime-db@'>= 1.23.0 < 2'
1.6.1 / 2016-01-19
==================
* deps: bytes@2.2.0
* deps: compressible@~2.0.7
- deps: mime-db@'>= 1.21.0 < 2'
* deps: accepts@~1.3.1
- deps: mime-types@~2.1.9
1.6.0 / 2015-09-29
==================
* Skip compression when response has `Cache-Control: no-transform`
* deps: accepts@~1.3.0
- deps: mime-types@~2.1.7
- deps: negotiator@0.6.0
* deps: compressible@~2.0.6
- deps: mime-db@'>= 1.19.0 < 2'
* deps: on-headers@~1.0.1
- perf: enable strict mode
* deps: vary@~1.1.0
- Only accept valid field names in the `field` argument
1.5.2 / 2015-07-30
==================
* deps: accepts@~1.2.12
- deps: mime-types@~2.1.4
* deps: compressible@~2.0.5
- deps: mime-db@'>= 1.16.0 < 2'
* deps: vary@~1.0.1
- Fix setting empty header from empty `field`
- perf: enable strict mode
- perf: remove argument reassignments
1.5.1 / 2015-07-05
==================
* deps: accepts@~1.2.10
- deps: mime-types@~2.1.2
* deps: compressible@~2.0.4
- deps: mime-db@'>= 1.14.0 < 2'
- perf: enable strict mode
1.5.0 / 2015-06-09
==================
* Fix return value from `.end` and `.write` after end
* Improve detection of zero-length body without `Content-Length`
* deps: accepts@~1.2.9
- deps: mime-types@~2.1.1

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(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.

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/*!
* compression
* Copyright(c) 2010 Sencha Inc.
* Copyright(c) 2011 TJ Holowaychuk
* Copyright(c) 2014 Jonathan Ong
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var Negotiator = require('negotiator')
var Buffer = require('safe-buffer').Buffer
var bytes = require('bytes')
var compressible = require('compressible')
var debug = require('debug')('compression')
var onHeaders = require('on-headers')
var vary = require('vary')
var zlib = require('zlib')
/**
* Module exports.
*/
module.exports = compression
module.exports.filter = shouldCompress
/**
* @const
* whether current node version has brotli support
*/
var hasBrotliSupport = 'createBrotliCompress' in zlib
/**
* Module variables.
* @private
*/
var cacheControlNoTransformRegExp = /(?:^|,)\s*?no-transform\s*?(?:,|$)/
var SUPPORTED_ENCODING = hasBrotliSupport ? ['br', 'gzip', 'deflate', 'identity'] : ['gzip', 'deflate', 'identity']
var PREFERRED_ENCODING = hasBrotliSupport ? ['br', 'gzip'] : ['gzip']
var encodingSupported = ['gzip', 'deflate', 'identity', 'br']
/**
* Compress response data with gzip / deflate.
*
* @param {Object} [options]
* @return {Function} middleware
* @public
*/
function compression (options) {
var opts = options || {}
var optsBrotli = {}
if (hasBrotliSupport) {
Object.assign(optsBrotli, opts.brotli)
var brotliParams = {}
brotliParams[zlib.constants.BROTLI_PARAM_QUALITY] = 4
// set the default level to a reasonable value with balanced speed/ratio
optsBrotli.params = Object.assign(brotliParams, optsBrotli.params)
}
// options
var filter = opts.filter || shouldCompress
var threshold = bytes.parse(opts.threshold)
var enforceEncoding = opts.enforceEncoding || 'identity'
if (threshold == null) {
threshold = 1024
}
return function compression (req, res, next) {
var ended = false
var length
var listeners = []
var stream
var _end = res.end
var _on = res.on
var _write = res.write
// flush
res.flush = function flush () {
if (stream) {
stream.flush()
}
}
// proxy
res.write = function write (chunk, encoding) {
if (ended) {
return false
}
if (!headersSent(res)) {
this.writeHead(this.statusCode)
}
return stream
? stream.write(toBuffer(chunk, encoding))
: _write.call(this, chunk, encoding)
}
res.end = function end (chunk, encoding) {
if (ended) {
return false
}
if (!headersSent(res)) {
// estimate the length
if (!this.getHeader('Content-Length')) {
length = chunkLength(chunk, encoding)
}
this.writeHead(this.statusCode)
}
if (!stream) {
return _end.call(this, chunk, encoding)
}
// mark ended
ended = true
// write Buffer for Node.js 0.8
return chunk
? stream.end(toBuffer(chunk, encoding))
: stream.end()
}
res.on = function on (type, listener) {
if (!listeners || type !== 'drain') {
return _on.call(this, type, listener)
}
if (stream) {
return stream.on(type, listener)
}
// buffer listeners for future stream
listeners.push([type, listener])
return this
}
function nocompress (msg) {
debug('no compression: %s', msg)
addListeners(res, _on, listeners)
listeners = null
}
onHeaders(res, function onResponseHeaders () {
// determine if request is filtered
if (!filter(req, res)) {
nocompress('filtered')
return
}
// determine if the entity should be transformed
if (!shouldTransform(req, res)) {
nocompress('no transform')
return
}
// vary
vary(res, 'Accept-Encoding')
// content-length below threshold
if (Number(res.getHeader('Content-Length')) < threshold || length < threshold) {
nocompress('size below threshold')
return
}
var encoding = res.getHeader('Content-Encoding') || 'identity'
// already encoded
if (encoding !== 'identity') {
nocompress('already encoded')
return
}
// head
if (req.method === 'HEAD') {
nocompress('HEAD request')
return
}
// compression method
var negotiator = new Negotiator(req)
var method = negotiator.encoding(SUPPORTED_ENCODING, PREFERRED_ENCODING)
// if no method is found, use the default encoding
if (!req.headers['accept-encoding'] && encodingSupported.indexOf(enforceEncoding) !== -1) {
method = enforceEncoding
}
// negotiation failed
if (!method || method === 'identity') {
nocompress('not acceptable')
return
}
// compression stream
debug('%s compression', method)
stream = method === 'gzip'
? zlib.createGzip(opts)
: method === 'br'
? zlib.createBrotliCompress(optsBrotli)
: zlib.createDeflate(opts)
// add buffered listeners to stream
addListeners(stream, stream.on, listeners)
// header fields
res.setHeader('Content-Encoding', method)
res.removeHeader('Content-Length')
// compression
stream.on('data', function onStreamData (chunk) {
if (_write.call(res, chunk) === false) {
stream.pause()
}
})
stream.on('end', function onStreamEnd () {
_end.call(res)
})
_on.call(res, 'drain', function onResponseDrain () {
stream.resume()
})
})
next()
}
}
/**
* Add bufferred listeners to stream
* @private
*/
function addListeners (stream, on, listeners) {
for (var i = 0; i < listeners.length; i++) {
on.apply(stream, listeners[i])
}
}
/**
* Get the length of a given chunk
*/
function chunkLength (chunk, encoding) {
if (!chunk) {
return 0
}
return Buffer.isBuffer(chunk)
? chunk.length
: Buffer.byteLength(chunk, encoding)
}
/**
* Default filter function.
* @private
*/
function shouldCompress (req, res) {
var type = res.getHeader('Content-Type')
if (type === undefined || !compressible(type)) {
debug('%s not compressible', type)
return false
}
return true
}
/**
* Determine if the entity should be transformed.
* @private
*/
function shouldTransform (req, res) {
var cacheControl = res.getHeader('Cache-Control')
// Don't compress for Cache-Control: no-transform
// https://tools.ietf.org/html/rfc7234#section-5.2.2.4
return !cacheControl ||
!cacheControlNoTransformRegExp.test(cacheControl)
}
/**
* Coerce arguments to Buffer
* @private
*/
function toBuffer (chunk, encoding) {
return Buffer.isBuffer(chunk)
? chunk
: Buffer.from(chunk, encoding)
}
/**
* Determine if the response headers have been sent.
*
* @param {object} res
* @returns {boolean}
* @private
*/
function headersSent (res) {
return typeof res.headersSent !== 'boolean'
? Boolean(res._header)
: res.headersSent
}

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support
test
examples
example
*.sock
dist
yarn.lock
coverage
bower.json

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# debug
[![Build Status](https://travis-ci.org/visionmedia/debug.svg?branch=master)](https://travis-ci.org/visionmedia/debug) [![Coverage Status](https://coveralls.io/repos/github/visionmedia/debug/badge.svg?branch=master)](https://coveralls.io/github/visionmedia/debug?branch=master) [![Slack](https://visionmedia-community-slackin.now.sh/badge.svg)](https://visionmedia-community-slackin.now.sh/) [![OpenCollective](https://opencollective.com/debug/backers/badge.svg)](#backers)
[![OpenCollective](https://opencollective.com/debug/sponsors/badge.svg)](#sponsors)
A tiny node.js debugging utility modelled after node core's debugging technique.
**Discussion around the V3 API is under way [here](https://github.com/visionmedia/debug/issues/370)**
## Installation
```bash
$ npm install debug
```
## Usage
`debug` exposes a function; simply pass this function the name of your module, and it will return a decorated version of `console.error` for you to pass debug statements to. This will allow you to toggle the debug output for different parts of your module as well as the module as a whole.
Example _app.js_:
```js
var debug = require('debug')('http')
, http = require('http')
, name = 'My App';
// fake app
debug('booting %s', name);
http.createServer(function(req, res){
debug(req.method + ' ' + req.url);
res.end('hello\n');
}).listen(3000, function(){
debug('listening');
});
// fake worker of some kind
require('./worker');
```
Example _worker.js_:
```js
var debug = require('debug')('worker');
setInterval(function(){
debug('doing some work');
}, 1000);
```
The __DEBUG__ environment variable is then used to enable these based on space or comma-delimited names. Here are some examples:
![debug http and worker](http://f.cl.ly/items/18471z1H402O24072r1J/Screenshot.png)
![debug worker](http://f.cl.ly/items/1X413v1a3M0d3C2c1E0i/Screenshot.png)
#### Windows note
On Windows the environment variable is set using the `set` command.
```cmd
set DEBUG=*,-not_this
```
Note that PowerShell uses different syntax to set environment variables.
```cmd
$env:DEBUG = "*,-not_this"
```
Then, run the program to be debugged as usual.
## Millisecond diff
When actively developing an application it can be useful to see when the time spent between one `debug()` call and the next. Suppose for example you invoke `debug()` before requesting a resource, and after as well, the "+NNNms" will show you how much time was spent between calls.
![](http://f.cl.ly/items/2i3h1d3t121M2Z1A3Q0N/Screenshot.png)
When stdout is not a TTY, `Date#toUTCString()` is used, making it more useful for logging the debug information as shown below:
![](http://f.cl.ly/items/112H3i0e0o0P0a2Q2r11/Screenshot.png)
## Conventions
If you're using this in one or more of your libraries, you _should_ use the name of your library so that developers may toggle debugging as desired without guessing names. If you have more than one debuggers you _should_ prefix them with your library name and use ":" to separate features. For example "bodyParser" from Connect would then be "connect:bodyParser".
## Wildcards
The `*` character may be used as a wildcard. Suppose for example your library has debuggers named "connect:bodyParser", "connect:compress", "connect:session", instead of listing all three with `DEBUG=connect:bodyParser,connect:compress,connect:session`, you may simply do `DEBUG=connect:*`, or to run everything using this module simply use `DEBUG=*`.
You can also exclude specific debuggers by prefixing them with a "-" character. For example, `DEBUG=*,-connect:*` would include all debuggers except those starting with "connect:".
## Environment Variables
When running through Node.js, you can set a few environment variables that will
change the behavior of the debug logging:
| Name | Purpose |
|-----------|-------------------------------------------------|
| `DEBUG` | Enables/disables specific debugging namespaces. |
| `DEBUG_COLORS`| Whether or not to use colors in the debug output. |
| `DEBUG_DEPTH` | Object inspection depth. |
| `DEBUG_SHOW_HIDDEN` | Shows hidden properties on inspected objects. |
__Note:__ The environment variables beginning with `DEBUG_` end up being
converted into an Options object that gets used with `%o`/`%O` formatters.
See the Node.js documentation for
[`util.inspect()`](https://nodejs.org/api/util.html#util_util_inspect_object_options)
for the complete list.
## Formatters
Debug uses [printf-style](https://wikipedia.org/wiki/Printf_format_string) formatting. Below are the officially supported formatters:
| Formatter | Representation |
|-----------|----------------|
| `%O` | Pretty-print an Object on multiple lines. |
| `%o` | Pretty-print an Object all on a single line. |
| `%s` | String. |
| `%d` | Number (both integer and float). |
| `%j` | JSON. Replaced with the string '[Circular]' if the argument contains circular references. |
| `%%` | Single percent sign ('%'). This does not consume an argument. |
### Custom formatters
You can add custom formatters by extending the `debug.formatters` object. For example, if you wanted to add support for rendering a Buffer as hex with `%h`, you could do something like:
```js
const createDebug = require('debug')
createDebug.formatters.h = (v) => {
return v.toString('hex')
}
// …elsewhere
const debug = createDebug('foo')
debug('this is hex: %h', new Buffer('hello world'))
// foo this is hex: 68656c6c6f20776f726c6421 +0ms
```
## Browser support
You can build a browser-ready script using [browserify](https://github.com/substack/node-browserify),
or just use the [browserify-as-a-service](https://wzrd.in/) [build](https://wzrd.in/standalone/debug@latest),
if you don't want to build it yourself.
Debug's enable state is currently persisted by `localStorage`.
Consider the situation shown below where you have `worker:a` and `worker:b`,
and wish to debug both. You can enable this using `localStorage.debug`:
```js
localStorage.debug = 'worker:*'
```
And then refresh the page.
```js
a = debug('worker:a');
b = debug('worker:b');
setInterval(function(){
a('doing some work');
}, 1000);
setInterval(function(){
b('doing some work');
}, 1200);
```
#### Web Inspector Colors
Colors are also enabled on "Web Inspectors" that understand the `%c` formatting
option. These are WebKit web inspectors, Firefox ([since version
31](https://hacks.mozilla.org/2014/05/editable-box-model-multiple-selection-sublime-text-keys-much-more-firefox-developer-tools-episode-31/))
and the Firebug plugin for Firefox (any version).
Colored output looks something like:
![](https://cloud.githubusercontent.com/assets/71256/3139768/b98c5fd8-e8ef-11e3-862a-f7253b6f47c6.png)
## Output streams
By default `debug` will log to stderr, however this can be configured per-namespace by overriding the `log` method:
Example _stdout.js_:
```js
var debug = require('debug');
var error = debug('app:error');
// by default stderr is used
error('goes to stderr!');
var log = debug('app:log');
// set this namespace to log via console.log
log.log = console.log.bind(console); // don't forget to bind to console!
log('goes to stdout');
error('still goes to stderr!');
// set all output to go via console.info
// overrides all per-namespace log settings
debug.log = console.info.bind(console);
error('now goes to stdout via console.info');
log('still goes to stdout, but via console.info now');
```
## Authors
- TJ Holowaychuk
- Nathan Rajlich
- Andrew Rhyne
## Backers
Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/debug#backer)]
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## Sponsors
Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/debug#sponsor)]
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## License
(The MIT License)
Copyright (c) 2014-2016 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.

View File

@@ -0,0 +1,49 @@
{
"name": "debug",
"version": "2.6.9",
"repository": {
"type": "git",
"url": "git://github.com/visionmedia/debug.git"
},
"description": "small debugging utility",
"keywords": [
"debug",
"log",
"debugger"
],
"author": "TJ Holowaychuk <tj@vision-media.ca>",
"contributors": [
"Nathan Rajlich <nathan@tootallnate.net> (http://n8.io)",
"Andrew Rhyne <rhyneandrew@gmail.com>"
],
"license": "MIT",
"dependencies": {
"ms": "2.0.0"
},
"devDependencies": {
"browserify": "9.0.3",
"chai": "^3.5.0",
"concurrently": "^3.1.0",
"coveralls": "^2.11.15",
"eslint": "^3.12.1",
"istanbul": "^0.4.5",
"karma": "^1.3.0",
"karma-chai": "^0.1.0",
"karma-mocha": "^1.3.0",
"karma-phantomjs-launcher": "^1.0.2",
"karma-sinon": "^1.0.5",
"mocha": "^3.2.0",
"mocha-lcov-reporter": "^1.2.0",
"rimraf": "^2.5.4",
"sinon": "^1.17.6",
"sinon-chai": "^2.8.0"
},
"main": "./src/index.js",
"browser": "./src/browser.js",
"component": {
"scripts": {
"debug/index.js": "browser.js",
"debug/debug.js": "debug.js"
}
}
}

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@@ -0,0 +1,152 @@
/**
* Helpers.
*/
var s = 1000;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var y = d * 365.25;
/**
* Parse or format the given `val`.
*
* Options:
*
* - `long` verbose formatting [false]
*
* @param {String|Number} val
* @param {Object} [options]
* @throws {Error} throw an error if val is not a non-empty string or a number
* @return {String|Number}
* @api public
*/
module.exports = function(val, options) {
options = options || {};
var type = typeof val;
if (type === 'string' && val.length > 0) {
return parse(val);
} else if (type === 'number' && isNaN(val) === false) {
return options.long ? fmtLong(val) : fmtShort(val);
}
throw new Error(
'val is not a non-empty string or a valid number. val=' +
JSON.stringify(val)
);
};
/**
* Parse the given `str` and return milliseconds.
*
* @param {String} str
* @return {Number}
* @api private
*/
function parse(str) {
str = String(str);
if (str.length > 100) {
return;
}
var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(
str
);
if (!match) {
return;
}
var n = parseFloat(match[1]);
var type = (match[2] || 'ms').toLowerCase();
switch (type) {
case 'years':
case 'year':
case 'yrs':
case 'yr':
case 'y':
return n * y;
case 'days':
case 'day':
case 'd':
return n * d;
case 'hours':
case 'hour':
case 'hrs':
case 'hr':
case 'h':
return n * h;
case 'minutes':
case 'minute':
case 'mins':
case 'min':
case 'm':
return n * m;
case 'seconds':
case 'second':
case 'secs':
case 'sec':
case 's':
return n * s;
case 'milliseconds':
case 'millisecond':
case 'msecs':
case 'msec':
case 'ms':
return n;
default:
return undefined;
}
}
/**
* Short format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtShort(ms) {
if (ms >= d) {
return Math.round(ms / d) + 'd';
}
if (ms >= h) {
return Math.round(ms / h) + 'h';
}
if (ms >= m) {
return Math.round(ms / m) + 'm';
}
if (ms >= s) {
return Math.round(ms / s) + 's';
}
return ms + 'ms';
}
/**
* Long format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtLong(ms) {
return plural(ms, d, 'day') ||
plural(ms, h, 'hour') ||
plural(ms, m, 'minute') ||
plural(ms, s, 'second') ||
ms + ' ms';
}
/**
* Pluralization helper.
*/
function plural(ms, n, name) {
if (ms < n) {
return;
}
if (ms < n * 1.5) {
return Math.floor(ms / n) + ' ' + name;
}
return Math.ceil(ms / n) + ' ' + name + 's';
}

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@@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2016 Zeit, Inc.
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.

View File

@@ -0,0 +1,37 @@
{
"name": "ms",
"version": "2.0.0",
"description": "Tiny milisecond conversion utility",
"repository": "zeit/ms",
"main": "./index",
"files": [
"index.js"
],
"scripts": {
"precommit": "lint-staged",
"lint": "eslint lib/* bin/*",
"test": "mocha tests.js"
},
"eslintConfig": {
"extends": "eslint:recommended",
"env": {
"node": true,
"es6": true
}
},
"lint-staged": {
"*.js": [
"npm run lint",
"prettier --single-quote --write",
"git add"
]
},
"license": "MIT",
"devDependencies": {
"eslint": "3.19.0",
"expect.js": "0.3.1",
"husky": "0.13.3",
"lint-staged": "3.4.1",
"mocha": "3.4.1"
}
}

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@@ -0,0 +1,51 @@
# ms
[![Build Status](https://travis-ci.org/zeit/ms.svg?branch=master)](https://travis-ci.org/zeit/ms)
[![Slack Channel](http://zeit-slackin.now.sh/badge.svg)](https://zeit.chat/)
Use this package to easily convert various time formats to milliseconds.
## Examples
```js
ms('2 days') // 172800000
ms('1d') // 86400000
ms('10h') // 36000000
ms('2.5 hrs') // 9000000
ms('2h') // 7200000
ms('1m') // 60000
ms('5s') // 5000
ms('1y') // 31557600000
ms('100') // 100
```
### Convert from milliseconds
```js
ms(60000) // "1m"
ms(2 * 60000) // "2m"
ms(ms('10 hours')) // "10h"
```
### Time format written-out
```js
ms(60000, { long: true }) // "1 minute"
ms(2 * 60000, { long: true }) // "2 minutes"
ms(ms('10 hours'), { long: true }) // "10 hours"
```
## Features
- Works both in [node](https://nodejs.org) and in the browser.
- If a number is supplied to `ms`, a string with a unit is returned.
- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`).
- If you pass a string with a number and a valid unit, the number of equivalent ms is returned.
## Caught a bug?
1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device
2. Link the package to the global module directory: `npm link`
3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, node will now use your clone of ms!
As always, you can run the tests using: `npm test`

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{
"name": "compression",
"description": "Node.js compression middleware",
"version": "1.8.1",
"contributors": [
"Douglas Christopher Wilson <doug@somethingdoug.com>",
"Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
],
"license": "MIT",
"repository": "expressjs/compression",
"keywords": ["compression", "gzip", "deflate", "middleware", "express", "brotli", "http", "stream"],
"dependencies": {
"bytes": "3.1.2",
"compressible": "~2.0.18",
"debug": "2.6.9",
"negotiator": "~0.6.4",
"on-headers": "~1.1.0",
"safe-buffer": "5.2.1",
"vary": "~1.1.2"
},
"devDependencies": {
"after": "0.8.2",
"eslint": "7.32.0",
"eslint-config-standard": "14.1.1",
"eslint-plugin-import": "2.32.0",
"eslint-plugin-markdown": "2.2.1",
"eslint-plugin-node": "11.1.0",
"eslint-plugin-promise": "5.2.0",
"eslint-plugin-standard": "4.1.0",
"mocha": "9.2.2",
"nyc": "15.1.0",
"supertest": "6.3.4"
},
"files": [
"LICENSE",
"HISTORY.md",
"index.js"
],
"engines": {
"node": ">= 0.8.0"
},
"scripts": {
"lint": "eslint .",
"test": "mocha --check-leaks --reporter spec",
"test-ci": "nyc --reporter=lcov --reporter=text npm test",
"test-cov": "nyc --reporter=html --reporter=text npm test"
}
}