added orai

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szabomarton
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4.2.1 / 2022-02-21
==================
**fixes**
* [[`8b13b5c`](http://github.com/node-modules/agentkeepalive/commit/8b13b5ca797f4779a0a8d393ad8ecb622cd27987)] - fix: explicitly set `| undefined` in type definitions (#99) (Benoit Lemoine <<lemoine.benoit@gmail.com>>)
4.2.0 / 2021-12-31
==================
**fixes**
* [[`f418c67`](http://github.com/node-modules/agentkeepalive/commit/f418c67a63c061c7261592d4553bc455e0b0d306)] - fix: change `freeSocketTimeout` default value to 4000 (#102) (fengmk2 <<fengmk2@gmail.com>>)
**others**
* [[`bc2a1ce`](http://github.com/node-modules/agentkeepalive/commit/bc2a1cea0884b4d18b0d244bf00006d9107963df)] - doc(readme): making `timeout`'s default clear (#100) (Aaron <<aaronarinder@gmail.com>>)
4.1.4 / 2021-02-05
==================
**fixes**
* [[`4d04794`](http://github.com/node-modules/agentkeepalive/commit/4d047946b1547b4edff92ea40205aee4f0c8aa46)] - fix(types): correct `Https` constructor argument (#89) (Simen Bekkhus <<sbekkhus91@gmail.com>>)
4.1.3 / 2020-06-15
==================
**fixes**
* [[`4ba9f9c`](http://github.com/node-modules/agentkeepalive/commit/4ba9f9c844f2a6b8037ce56599d25c69ef054d91)] - fix: compatible with node v12.16.3 (#91) (killa <<killa123@126.com>>)
4.1.2 / 2020-04-25
==================
**fixes**
* [[`de66b02`](http://github.com/node-modules/agentkeepalive/commit/de66b0206d064a97129c2c31bcdabd4d64557b91)] - fix: detect http request timeout handler (#88) (fengmk2 <<fengmk2@gmail.com>>)
4.1.1 / 2020-04-25
==================
**fixes**
* [[`bbd20c0`](http://github.com/node-modules/agentkeepalive/commit/bbd20c03b8cf7dfb00b3aad1ada26d4ab90d2d6e)] - fix: definition error (#87) (吖猩 <<whxaxes@qq.com>>)
**others**
* [[`3b01699`](http://github.com/node-modules/agentkeepalive/commit/3b01699b8e90022d5f56898dd709e4fe7ee7cdaa)] - test: run test on node 12 (#84) (Igor Savin <<iselwin@gmail.com>>)
4.1.0 / 2019-10-12
==================
**features**
* [[`fe33b80`](http://github.com/node-modules/agentkeepalive/commit/fe33b800acc09109388bfe65107550952b6fc7b0)] - feat: Add `reusedSocket` property on client request (#82) (Weijia Wang <<starkwang@126.com>>)
**others**
* [[`77ba744`](http://github.com/node-modules/agentkeepalive/commit/77ba744667bb6b9e5986a53e5222f62094db12b9)] - docs: fix grammar in readme (#81) (Herrington Darkholme <<2883231+HerringtonDarkholme@users.noreply.github.com>>)
4.0.2 / 2019-02-19
==================
**fixes**
* [[`56d4a9b`](http://github.com/node-modules/agentkeepalive/commit/56d4a9b2a4499ea28943ddb590358d7831a02cb1)] - fix: HttpAgent export = internal (#74) (Andrew Leedham <<AndrewLeedham@outlook.com>>)
4.0.1 / 2019-02-19
==================
**fixes**
* [[`bad1ac0`](http://github.com/node-modules/agentkeepalive/commit/bad1ac0e710fbc486717e14e68c59266d35df6a8)] - fix: HttpsAgent Type Definition (#71) (#72) (Andrew Leedham <<AndrewLeedham@outlook.com>>)
* [[`f48a4a7`](http://github.com/node-modules/agentkeepalive/commit/f48a4a701ea6fbe43781c91e1c0aaad6e328ac7f)] - fix: export interface (#70) (Vinay <<vinaybedre@gmail.com>>)
**others**
* [[`9124343`](http://github.com/node-modules/agentkeepalive/commit/91243437cfdd324cb97f39dee76746d5e5f4cd72)] - chore: add agent.options.keepAlive instead agent.keepAlive (fengmk2 <<fengmk2@gmail.com>>)
* [[`d177d40`](http://github.com/node-modules/agentkeepalive/commit/d177d40422fe7296990b4e270cf498e3f33c18fa)] - test: add request timeout bigger than agent timeout cases (fengmk2 <<fengmk2@gmail.com>>)
4.0.0 / 2018-10-23
==================
**features**
* [[`5c9f3bb`](http://github.com/node-modules/agentkeepalive/commit/5c9f3bbd60555744edcf777105b148982a1a42b6)] - feat: impl the new Agent extend http.Agent (fengmk2 <<fengmk2@gmail.com>>)
**others**
* [[`498c8f1`](http://github.com/node-modules/agentkeepalive/commit/498c8f13cf76600d3dd6e1c91cdf2d8292355dff)] - chore: move LICENSE from readme to file (fengmk2 <<fengmk2@gmail.com>>)
* [[`4f39894`](http://github.com/node-modules/agentkeepalive/commit/4f398942ba2f90cf4501239e56ac4e6344931a01)] - bugfix: support agent.options.timeout on https agent (fengmk2 <<fengmk2@gmail.com>>)
3.5.2 / 2018-10-19
==================
**fixes**
* [[`5751fc1`](http://github.com/node-modules/agentkeepalive/commit/5751fc1180ed6544602c681ffbd08ca66a0cb12c)] - fix: sockLen being miscalculated when removing sockets (#60) (Ehden Sinai <<cixel@users.noreply.github.com>>)
3.5.1 / 2018-07-31
==================
**fixes**
* [[`495f1ab`](http://github.com/node-modules/agentkeepalive/commit/495f1ab625d43945d72f68096b97db723d4f0657)] - fix: add the lost npm files (#66) (Henry Zhuang <<zhuanghengfei@gmail.com>>)
3.5.0 / 2018-07-31
==================
**features**
* [[`16f5aea`](http://github.com/node-modules/agentkeepalive/commit/16f5aeadfda57f1c602652f1472a63cc83cd05bf)] - feat: add typing define. (#65) (Henry Zhuang <<zhuanghengfei@gmail.com>>)
**others**
* [[`28fa062`](http://github.com/node-modules/agentkeepalive/commit/28fa06246fb5103f88ebeeb8563757a9078b8157)] - docs: add "per host" to description of maxFreeSockets (tony-gutierrez <<tony.gutierrez@bluefletch.com>>)
* [[`7df2577`](http://github.com/node-modules/agentkeepalive/commit/7df25774f00a1031ca4daad2878a17e0539072a2)] - test: run test on node 10 (#63) (fengmk2 <<fengmk2@gmail.com>>)
3.4.1 / 2018-03-08
==================
**fixes**
* [[`4d3a3b1`](http://github.com/node-modules/agentkeepalive/commit/4d3a3b1f7b16595febbbd39eeed72b2663549014)] - fix: Handle ipv6 addresses in host-header correctly with TLS (#53) (Mattias Holmlund <<u376@m1.holmlund.se>>)
**others**
* [[`55a7a5c`](http://github.com/node-modules/agentkeepalive/commit/55a7a5cd33e97f9a8370083dcb041c5552f10ac9)] - test: stop timer after test end (fengmk2 <<fengmk2@gmail.com>>)
3.4.0 / 2018-02-27
==================
**features**
* [[`bc7cadb`](http://github.com/node-modules/agentkeepalive/commit/bc7cadb30ecd2071e2b341ac53ae1a2b8155c43d)] - feat: use socket custom freeSocketKeepAliveTimeout first (#59) (fengmk2 <<fengmk2@gmail.com>>)
**others**
* [[`138eda8`](http://github.com/node-modules/agentkeepalive/commit/138eda81e10b632aaa87bea0cb66d8667124c4e8)] - doc: fix `keepAliveMsecs` params description (#55) (Hongcai Deng <<admin@dhchouse.com>>)
3.3.0 / 2017-06-20
==================
* feat: add statusChanged getter (#51)
* chore: format License
3.2.0 / 2017-06-10
==================
* feat: add expiring active sockets
* test: add node 8 (#49)
3.1.0 / 2017-02-20
==================
* feat: timeout support humanize ms (#48)
3.0.0 / 2016-12-20
==================
* fix: emit agent socket close event
* test: add remove excess calls to removeSocket
* test: use egg-ci
* test: refactor test with eslint rules
* feat: merge _http_agent.js from 7.2.1
2.2.0 / 2016-06-26
==================
* feat: Add browser shim (noop) for isomorphic use. (#39)
* chore: add security check badge
2.1.1 / 2016-04-06
==================
* https: fix ssl socket leak when keepalive is used
* chore: remove circle ci image
2.1.0 / 2016-04-02
==================
* fix: opened sockets number overflow maxSockets
2.0.5 / 2016-03-16
==================
* fix: pick _evictSession to httpsAgent
2.0.4 / 2016-03-13
==================
* test: add Circle ci
* test: add appveyor ci build
* refactor: make sure only one error listener
* chore: use codecov
* fix: handle idle socket error
* test: run on more node versions
2.0.3 / 2015-08-03
==================
* fix: add default error handler to avoid Unhandled error event throw
2.0.2 / 2015-04-25
==================
* fix: remove socket from freeSockets on 'timeout' (@pmalouin)
2.0.1 / 2015-04-19
==================
* fix: add timeoutSocketCount to getCurrentStatus()
* feat(getCurrentStatus): add getCurrentStatus
2.0.0 / 2015-04-01
==================
* fix: socket.destroyed always be undefined on 0.10.x
* Make it compatible with node v0.10.x (@lattmann)
1.2.1 / 2015-03-23
==================
* patch from iojs: don't overwrite servername option
* patch commits from joyent/node
* add max sockets test case
* add nagle algorithm delayed link
1.2.0 / 2014-09-02
==================
* allow set keepAliveTimeout = 0
* support timeout on working socket. fixed #6
1.1.0 / 2014-08-28
==================
* add some socket counter for deep monitor
1.0.0 / 2014-08-13
==================
* update _http_agent, only support 0.11+, only support node 0.11.0+
0.2.2 / 2013-11-19
==================
* support node 0.8 and node 0.10
0.2.1 / 2013-11-08
==================
* fix socket does not timeout bug, it will hang on life, must use 0.2.x on node 0.11
0.2.0 / 2013-11-06
==================
* use keepalive agent on node 0.11+ impl
0.1.5 / 2013-06-24
==================
* support coveralls
* add node 0.10 test
* add 0.8.22 original https.js
* add original http.js module to diff
* update jscover
* mv pem to fixtures
* add https agent usage

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The MIT License
Copyright(c) node-modules and other contributors.
Copyright(c) 2012 - 2015 fengmk2 <fengmk2@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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# agentkeepalive
[![NPM version][npm-image]][npm-url]
[![Known Vulnerabilities][snyk-image]][snyk-url]
[![Node.js CI](https://github.com/node-modules/agentkeepalive/actions/workflows/nodejs.yml/badge.svg)](https://github.com/node-modules/agentkeepalive/actions/workflows/nodejs.yml)
[![npm download][download-image]][download-url]
[npm-image]: https://img.shields.io/npm/v/agentkeepalive.svg?style=flat
[npm-url]: https://npmjs.org/package/agentkeepalive
[snyk-image]: https://snyk.io/test/npm/agentkeepalive/badge.svg?style=flat-square
[snyk-url]: https://snyk.io/test/npm/agentkeepalive
[download-image]: https://img.shields.io/npm/dm/agentkeepalive.svg?style=flat-square
[download-url]: https://npmjs.org/package/agentkeepalive
The enhancement features `keep alive` `http.Agent`. Support `http` and `https`.
## What's different from original `http.Agent`?
- `keepAlive=true` by default
- Disable Nagle's algorithm: `socket.setNoDelay(true)`
- Add free socket timeout: avoid long time inactivity socket leak in the free-sockets queue.
- Add active socket timeout: avoid long time inactivity socket leak in the active-sockets queue.
- TTL for active socket.
## Node.js version required
Support Node.js >= `8.0.0`
## Install
```bash
$ npm install agentkeepalive --save
```
## new Agent([options])
* `options` {Object} Set of configurable options to set on the agent.
Can have the following fields:
* `keepAlive` {Boolean} Keep sockets around in a pool to be used by
other requests in the future. Default = `true`.
* `keepAliveMsecs` {Number} When using the keepAlive option, specifies the initial delay
for TCP Keep-Alive packets. Ignored when the keepAlive option is false or undefined. Defaults to 1000.
Default = `1000`. Only relevant if `keepAlive` is set to `true`.
* `freeSocketTimeout`: {Number} Sets the free socket to timeout
after `freeSocketTimeout` milliseconds of inactivity on the free socket.
The default [server-side timeout](https://nodejs.org/api/http.html#serverkeepalivetimeout) is 5000 milliseconds, to [avoid ECONNRESET exceptions](https://medium.com/ssense-tech/reduce-networking-errors-in-nodejs-23b4eb9f2d83), we set the default value to `4000` milliseconds.
Only relevant if `keepAlive` is set to `true`.
* `timeout`: {Number} Sets the working socket to timeout
after `timeout` milliseconds of inactivity on the working socket.
Default is `freeSocketTimeout * 2` so long as that value is greater than or equal to 8 seconds, otherwise the default is 8 seconds.
* `maxSockets` {Number} Maximum number of sockets to allow per
host. Default = `Infinity`.
* `maxFreeSockets` {Number} Maximum number of sockets (per host) to leave open
in a free state. Only relevant if `keepAlive` is set to `true`.
Default = `256`.
* `socketActiveTTL` {Number} Sets the socket active time to live, even if it's in use.
If not set, the behaviour keeps the same (the socket will be released only when free)
Default = `null`.
## Usage
```js
const http = require('http');
const Agent = require('agentkeepalive');
const keepaliveAgent = new Agent({
maxSockets: 100,
maxFreeSockets: 10,
timeout: 60000, // active socket keepalive for 60 seconds
freeSocketTimeout: 30000, // free socket keepalive for 30 seconds
});
const options = {
host: 'cnodejs.org',
port: 80,
path: '/',
method: 'GET',
agent: keepaliveAgent,
};
const req = http.request(options, res => {
console.log('STATUS: ' + res.statusCode);
console.log('HEADERS: ' + JSON.stringify(res.headers));
res.setEncoding('utf8');
res.on('data', function (chunk) {
console.log('BODY: ' + chunk);
});
});
req.on('error', e => {
console.log('problem with request: ' + e.message);
});
req.end();
setTimeout(() => {
if (keepaliveAgent.statusChanged) {
console.log('[%s] agent status changed: %j', Date(), keepaliveAgent.getCurrentStatus());
}
}, 2000);
```
### `getter agent.statusChanged`
counters have change or not after last checkpoint.
### `agent.getCurrentStatus()`
`agent.getCurrentStatus()` will return a object to show the status of this agent:
```js
{
createSocketCount: 10,
closeSocketCount: 5,
timeoutSocketCount: 0,
requestCount: 5,
freeSockets: { 'localhost:57479:': 3 },
sockets: { 'localhost:57479:': 5 },
requests: {}
}
```
### Support `https`
```js
const https = require('https');
const HttpsAgent = require('agentkeepalive').HttpsAgent;
const keepaliveAgent = new HttpsAgent();
// https://www.google.com/search?q=nodejs&sugexp=chrome,mod=12&sourceid=chrome&ie=UTF-8
const options = {
host: 'www.google.com',
port: 443,
path: '/search?q=nodejs&sugexp=chrome,mod=12&sourceid=chrome&ie=UTF-8',
method: 'GET',
agent: keepaliveAgent,
};
const req = https.request(options, res => {
console.log('STATUS: ' + res.statusCode);
console.log('HEADERS: ' + JSON.stringify(res.headers));
res.setEncoding('utf8');
res.on('data', chunk => {
console.log('BODY: ' + chunk);
});
});
req.on('error', e => {
console.log('problem with request: ' + e.message);
});
req.end();
setTimeout(() => {
console.log('agent status: %j', keepaliveAgent.getCurrentStatus());
}, 2000);
```
### Support `req.reusedSocket`
This agent implements the `req.reusedSocket` to determine whether a request is send through a reused socket.
When server closes connection at unfortunate time ([keep-alive race](https://code-examples.net/en/q/28a8069)), the http client will throw a `ECONNRESET` error. Under this circumstance, `req.reusedSocket` is useful when we want to retry the request automatically.
```js
const http = require('http');
const Agent = require('agentkeepalive');
const agent = new Agent();
const req = http
.get('http://localhost:3000', { agent }, (res) => {
// ...
})
.on('error', (err) => {
if (req.reusedSocket && err.code === 'ECONNRESET') {
// retry the request or anything else...
}
})
```
This behavior is consistent with Node.js core. But through `agentkeepalive`, you can use this feature in older Node.js version.
## [Benchmark](https://github.com/node-modules/agentkeepalive/tree/master/benchmark)
run the benchmark:
```bash
cd benchmark
sh start.sh
```
Intel(R) Core(TM)2 Duo CPU P8600 @ 2.40GHz
node@v0.8.9
50 maxSockets, 60 concurrent, 1000 requests per concurrent, 5ms delay
Keep alive agent (30 seconds):
```js
Transactions: 60000 hits
Availability: 100.00 %
Elapsed time: 29.70 secs
Data transferred: 14.88 MB
Response time: 0.03 secs
Transaction rate: 2020.20 trans/sec
Throughput: 0.50 MB/sec
Concurrency: 59.84
Successful transactions: 60000
Failed transactions: 0
Longest transaction: 0.15
Shortest transaction: 0.01
```
Normal agent:
```js
Transactions: 60000 hits
Availability: 100.00 %
Elapsed time: 46.53 secs
Data transferred: 14.88 MB
Response time: 0.05 secs
Transaction rate: 1289.49 trans/sec
Throughput: 0.32 MB/sec
Concurrency: 59.81
Successful transactions: 60000
Failed transactions: 0
Longest transaction: 0.45
Shortest transaction: 0.00
```
Socket created:
```bash
[proxy.js:120000] keepalive, 50 created, 60000 requestFinished, 1200 req/socket, 0 requests, 0 sockets, 0 unusedSockets, 50 timeout
{" <10ms":662," <15ms":17825," <20ms":20552," <30ms":17646," <40ms":2315," <50ms":567," <100ms":377," <150ms":56," <200ms":0," >=200ms+":0}
----------------------------------------------------------------
[proxy.js:120000] normal , 53866 created, 84260 requestFinished, 1.56 req/socket, 0 requests, 0 sockets
{" <10ms":75," <15ms":1112," <20ms":10947," <30ms":32130," <40ms":8228," <50ms":3002," <100ms":4274," <150ms":181," <200ms":18," >=200ms+":33}
```
## License
[MIT](LICENSE)
## Contributors
[![](https://ergatejs.implements.io/badges/contributors/node-modules/agentkeepalive.svg?size=96)](https://github.com/node-modules/agentkeepalive/graphs/contributors)

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module.exports = noop;
module.exports.HttpsAgent = noop;
// Noop function for browser since native api's don't use agents.
function noop () {}

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import * as http from 'http';
import * as https from 'https';
interface PlainObject {
[key: string]: any;
}
declare class HttpAgent extends http.Agent {
constructor(opts?: AgentKeepAlive.HttpOptions);
readonly statusChanged: boolean;
createSocket(req: http.IncomingMessage, options: http.RequestOptions, cb: Function): void;
getCurrentStatus(): AgentKeepAlive.AgentStatus;
}
interface Constants {
CURRENT_ID: Symbol;
CREATE_ID: Symbol;
INIT_SOCKET: Symbol;
CREATE_HTTPS_CONNECTION: Symbol;
SOCKET_CREATED_TIME: Symbol;
SOCKET_NAME: Symbol;
SOCKET_REQUEST_COUNT: Symbol;
SOCKET_REQUEST_FINISHED_COUNT: Symbol;
}
declare class AgentKeepAlive extends HttpAgent {}
declare namespace AgentKeepAlive {
export interface AgentStatus {
createSocketCount: number;
createSocketErrorCount: number;
closeSocketCount: number;
errorSocketCount: number;
timeoutSocketCount: number;
requestCount: number;
freeSockets: PlainObject;
sockets: PlainObject;
requests: PlainObject;
}
interface CommonHttpOption {
keepAlive?: boolean | undefined;
freeSocketTimeout?: number | undefined;
freeSocketKeepAliveTimeout?: number | undefined;
timeout?: number | undefined;
socketActiveTTL?: number | undefined;
}
export interface HttpOptions extends http.AgentOptions, CommonHttpOption { }
export interface HttpsOptions extends https.AgentOptions, CommonHttpOption { }
export class HttpsAgent extends https.Agent {
constructor(opts?: HttpsOptions);
readonly statusChanged: boolean;
createSocket(req: http.IncomingMessage, options: http.RequestOptions, cb: Function): void;
getCurrentStatus(): AgentStatus;
}
export const constants: Constants;
}
export = AgentKeepAlive;

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'use strict';
module.exports = require('./lib/agent');
module.exports.HttpsAgent = require('./lib/https_agent');
module.exports.constants = require('./lib/constants');

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'use strict';
const OriginalAgent = require('http').Agent;
const ms = require('humanize-ms');
const debug = require('debug')('agentkeepalive');
const deprecate = require('depd')('agentkeepalive');
const {
INIT_SOCKET,
CURRENT_ID,
CREATE_ID,
SOCKET_CREATED_TIME,
SOCKET_NAME,
SOCKET_REQUEST_COUNT,
SOCKET_REQUEST_FINISHED_COUNT,
} = require('./constants');
// OriginalAgent come from
// - https://github.com/nodejs/node/blob/v8.12.0/lib/_http_agent.js
// - https://github.com/nodejs/node/blob/v10.12.0/lib/_http_agent.js
// node <= 10
let defaultTimeoutListenerCount = 1;
const majorVersion = parseInt(process.version.split('.', 1)[0].substring(1));
if (majorVersion >= 11 && majorVersion <= 12) {
defaultTimeoutListenerCount = 2;
} else if (majorVersion >= 13) {
defaultTimeoutListenerCount = 3;
}
class Agent extends OriginalAgent {
constructor(options) {
options = options || {};
options.keepAlive = options.keepAlive !== false;
// default is keep-alive and 4s free socket timeout
// see https://medium.com/ssense-tech/reduce-networking-errors-in-nodejs-23b4eb9f2d83
if (options.freeSocketTimeout === undefined) {
options.freeSocketTimeout = 4000;
}
// Legacy API: keepAliveTimeout should be rename to `freeSocketTimeout`
if (options.keepAliveTimeout) {
deprecate('options.keepAliveTimeout is deprecated, please use options.freeSocketTimeout instead');
options.freeSocketTimeout = options.keepAliveTimeout;
delete options.keepAliveTimeout;
}
// Legacy API: freeSocketKeepAliveTimeout should be rename to `freeSocketTimeout`
if (options.freeSocketKeepAliveTimeout) {
deprecate('options.freeSocketKeepAliveTimeout is deprecated, please use options.freeSocketTimeout instead');
options.freeSocketTimeout = options.freeSocketKeepAliveTimeout;
delete options.freeSocketKeepAliveTimeout;
}
// Sets the socket to timeout after timeout milliseconds of inactivity on the socket.
// By default is double free socket timeout.
if (options.timeout === undefined) {
// make sure socket default inactivity timeout >= 8s
options.timeout = Math.max(options.freeSocketTimeout * 2, 8000);
}
// support humanize format
options.timeout = ms(options.timeout);
options.freeSocketTimeout = ms(options.freeSocketTimeout);
options.socketActiveTTL = options.socketActiveTTL ? ms(options.socketActiveTTL) : 0;
super(options);
this[CURRENT_ID] = 0;
// create socket success counter
this.createSocketCount = 0;
this.createSocketCountLastCheck = 0;
this.createSocketErrorCount = 0;
this.createSocketErrorCountLastCheck = 0;
this.closeSocketCount = 0;
this.closeSocketCountLastCheck = 0;
// socket error event count
this.errorSocketCount = 0;
this.errorSocketCountLastCheck = 0;
// request finished counter
this.requestCount = 0;
this.requestCountLastCheck = 0;
// including free socket timeout counter
this.timeoutSocketCount = 0;
this.timeoutSocketCountLastCheck = 0;
this.on('free', socket => {
// https://github.com/nodejs/node/pull/32000
// Node.js native agent will check socket timeout eqs agent.options.timeout.
// Use the ttl or freeSocketTimeout to overwrite.
const timeout = this.calcSocketTimeout(socket);
if (timeout > 0 && socket.timeout !== timeout) {
socket.setTimeout(timeout);
}
});
}
get freeSocketKeepAliveTimeout() {
deprecate('agent.freeSocketKeepAliveTimeout is deprecated, please use agent.options.freeSocketTimeout instead');
return this.options.freeSocketTimeout;
}
get timeout() {
deprecate('agent.timeout is deprecated, please use agent.options.timeout instead');
return this.options.timeout;
}
get socketActiveTTL() {
deprecate('agent.socketActiveTTL is deprecated, please use agent.options.socketActiveTTL instead');
return this.options.socketActiveTTL;
}
calcSocketTimeout(socket) {
/**
* return <= 0: should free socket
* return > 0: should update socket timeout
* return undefined: not find custom timeout
*/
let freeSocketTimeout = this.options.freeSocketTimeout;
const socketActiveTTL = this.options.socketActiveTTL;
if (socketActiveTTL) {
// check socketActiveTTL
const aliveTime = Date.now() - socket[SOCKET_CREATED_TIME];
const diff = socketActiveTTL - aliveTime;
if (diff <= 0) {
return diff;
}
if (freeSocketTimeout && diff < freeSocketTimeout) {
freeSocketTimeout = diff;
}
}
// set freeSocketTimeout
if (freeSocketTimeout) {
// set free keepalive timer
// try to use socket custom freeSocketTimeout first, support headers['keep-alive']
// https://github.com/node-modules/urllib/blob/b76053020923f4d99a1c93cf2e16e0c5ba10bacf/lib/urllib.js#L498
const customFreeSocketTimeout = socket.freeSocketTimeout || socket.freeSocketKeepAliveTimeout;
return customFreeSocketTimeout || freeSocketTimeout;
}
}
keepSocketAlive(socket) {
const result = super.keepSocketAlive(socket);
// should not keepAlive, do nothing
if (!result) return result;
const customTimeout = this.calcSocketTimeout(socket);
if (typeof customTimeout === 'undefined') {
return true;
}
if (customTimeout <= 0) {
debug('%s(requests: %s, finished: %s) free but need to destroy by TTL, request count %s, diff is %s',
socket[SOCKET_NAME], socket[SOCKET_REQUEST_COUNT], socket[SOCKET_REQUEST_FINISHED_COUNT], customTimeout);
return false;
}
if (socket.timeout !== customTimeout) {
socket.setTimeout(customTimeout);
}
return true;
}
// only call on addRequest
reuseSocket(...args) {
// reuseSocket(socket, req)
super.reuseSocket(...args);
const socket = args[0];
const req = args[1];
req.reusedSocket = true;
const agentTimeout = this.options.timeout;
if (getSocketTimeout(socket) !== agentTimeout) {
// reset timeout before use
socket.setTimeout(agentTimeout);
debug('%s reset timeout to %sms', socket[SOCKET_NAME], agentTimeout);
}
socket[SOCKET_REQUEST_COUNT]++;
debug('%s(requests: %s, finished: %s) reuse on addRequest, timeout %sms',
socket[SOCKET_NAME], socket[SOCKET_REQUEST_COUNT], socket[SOCKET_REQUEST_FINISHED_COUNT],
getSocketTimeout(socket));
}
[CREATE_ID]() {
const id = this[CURRENT_ID]++;
if (this[CURRENT_ID] === Number.MAX_SAFE_INTEGER) this[CURRENT_ID] = 0;
return id;
}
[INIT_SOCKET](socket, options) {
// bugfix here.
// https on node 8, 10 won't set agent.options.timeout by default
// TODO: need to fix on node itself
if (options.timeout) {
const timeout = getSocketTimeout(socket);
if (!timeout) {
socket.setTimeout(options.timeout);
}
}
if (this.options.keepAlive) {
// Disable Nagle's algorithm: http://blog.caustik.com/2012/04/08/scaling-node-js-to-100k-concurrent-connections/
// https://fengmk2.com/benchmark/nagle-algorithm-delayed-ack-mock.html
socket.setNoDelay(true);
}
this.createSocketCount++;
if (this.options.socketActiveTTL) {
socket[SOCKET_CREATED_TIME] = Date.now();
}
// don't show the hole '-----BEGIN CERTIFICATE----' key string
socket[SOCKET_NAME] = `sock[${this[CREATE_ID]()}#${options._agentKey}]`.split('-----BEGIN', 1)[0];
socket[SOCKET_REQUEST_COUNT] = 1;
socket[SOCKET_REQUEST_FINISHED_COUNT] = 0;
installListeners(this, socket, options);
}
createConnection(options, oncreate) {
let called = false;
const onNewCreate = (err, socket) => {
if (called) return;
called = true;
if (err) {
this.createSocketErrorCount++;
return oncreate(err);
}
this[INIT_SOCKET](socket, options);
oncreate(err, socket);
};
const newSocket = super.createConnection(options, onNewCreate);
if (newSocket) onNewCreate(null, newSocket);
}
get statusChanged() {
const changed = this.createSocketCount !== this.createSocketCountLastCheck ||
this.createSocketErrorCount !== this.createSocketErrorCountLastCheck ||
this.closeSocketCount !== this.closeSocketCountLastCheck ||
this.errorSocketCount !== this.errorSocketCountLastCheck ||
this.timeoutSocketCount !== this.timeoutSocketCountLastCheck ||
this.requestCount !== this.requestCountLastCheck;
if (changed) {
this.createSocketCountLastCheck = this.createSocketCount;
this.createSocketErrorCountLastCheck = this.createSocketErrorCount;
this.closeSocketCountLastCheck = this.closeSocketCount;
this.errorSocketCountLastCheck = this.errorSocketCount;
this.timeoutSocketCountLastCheck = this.timeoutSocketCount;
this.requestCountLastCheck = this.requestCount;
}
return changed;
}
getCurrentStatus() {
return {
createSocketCount: this.createSocketCount,
createSocketErrorCount: this.createSocketErrorCount,
closeSocketCount: this.closeSocketCount,
errorSocketCount: this.errorSocketCount,
timeoutSocketCount: this.timeoutSocketCount,
requestCount: this.requestCount,
freeSockets: inspect(this.freeSockets),
sockets: inspect(this.sockets),
requests: inspect(this.requests),
};
}
}
// node 8 don't has timeout attribute on socket
// https://github.com/nodejs/node/pull/21204/files#diff-e6ef024c3775d787c38487a6309e491dR408
function getSocketTimeout(socket) {
return socket.timeout || socket._idleTimeout;
}
function installListeners(agent, socket, options) {
debug('%s create, timeout %sms', socket[SOCKET_NAME], getSocketTimeout(socket));
// listener socket events: close, timeout, error, free
function onFree() {
// create and socket.emit('free') logic
// https://github.com/nodejs/node/blob/master/lib/_http_agent.js#L311
// no req on the socket, it should be the new socket
if (!socket._httpMessage && socket[SOCKET_REQUEST_COUNT] === 1) return;
socket[SOCKET_REQUEST_FINISHED_COUNT]++;
agent.requestCount++;
debug('%s(requests: %s, finished: %s) free',
socket[SOCKET_NAME], socket[SOCKET_REQUEST_COUNT], socket[SOCKET_REQUEST_FINISHED_COUNT]);
// should reuse on pedding requests?
const name = agent.getName(options);
if (socket.writable && agent.requests[name] && agent.requests[name].length) {
// will be reuse on agent free listener
socket[SOCKET_REQUEST_COUNT]++;
debug('%s(requests: %s, finished: %s) will be reuse on agent free event',
socket[SOCKET_NAME], socket[SOCKET_REQUEST_COUNT], socket[SOCKET_REQUEST_FINISHED_COUNT]);
}
}
socket.on('free', onFree);
function onClose(isError) {
debug('%s(requests: %s, finished: %s) close, isError: %s',
socket[SOCKET_NAME], socket[SOCKET_REQUEST_COUNT], socket[SOCKET_REQUEST_FINISHED_COUNT], isError);
agent.closeSocketCount++;
}
socket.on('close', onClose);
// start socket timeout handler
function onTimeout() {
// onTimeout and emitRequestTimeout(_http_client.js)
// https://github.com/nodejs/node/blob/v12.x/lib/_http_client.js#L711
const listenerCount = socket.listeners('timeout').length;
// node <= 10, default listenerCount is 1, onTimeout
// 11 < node <= 12, default listenerCount is 2, onTimeout and emitRequestTimeout
// node >= 13, default listenerCount is 3, onTimeout,
// onTimeout(https://github.com/nodejs/node/pull/32000/files#diff-5f7fb0850412c6be189faeddea6c5359R333)
// and emitRequestTimeout
const timeout = getSocketTimeout(socket);
const req = socket._httpMessage;
const reqTimeoutListenerCount = req && req.listeners('timeout').length || 0;
debug('%s(requests: %s, finished: %s) timeout after %sms, listeners %s, defaultTimeoutListenerCount %s, hasHttpRequest %s, HttpRequest timeoutListenerCount %s',
socket[SOCKET_NAME], socket[SOCKET_REQUEST_COUNT], socket[SOCKET_REQUEST_FINISHED_COUNT],
timeout, listenerCount, defaultTimeoutListenerCount, !!req, reqTimeoutListenerCount);
if (debug.enabled) {
debug('timeout listeners: %s', socket.listeners('timeout').map(f => f.name).join(', '));
}
agent.timeoutSocketCount++;
const name = agent.getName(options);
if (agent.freeSockets[name] && agent.freeSockets[name].indexOf(socket) !== -1) {
// free socket timeout, destroy quietly
socket.destroy();
// Remove it from freeSockets list immediately to prevent new requests
// from being sent through this socket.
agent.removeSocket(socket, options);
debug('%s is free, destroy quietly', socket[SOCKET_NAME]);
} else {
// if there is no any request socket timeout handler,
// agent need to handle socket timeout itself.
//
// custom request socket timeout handle logic must follow these rules:
// 1. Destroy socket first
// 2. Must emit socket 'agentRemove' event tell agent remove socket
// from freeSockets list immediately.
// Otherise you may be get 'socket hang up' error when reuse
// free socket and timeout happen in the same time.
if (reqTimeoutListenerCount === 0) {
const error = new Error('Socket timeout');
error.code = 'ERR_SOCKET_TIMEOUT';
error.timeout = timeout;
// must manually call socket.end() or socket.destroy() to end the connection.
// https://nodejs.org/dist/latest-v10.x/docs/api/net.html#net_socket_settimeout_timeout_callback
socket.destroy(error);
agent.removeSocket(socket, options);
debug('%s destroy with timeout error', socket[SOCKET_NAME]);
}
}
}
socket.on('timeout', onTimeout);
function onError(err) {
const listenerCount = socket.listeners('error').length;
debug('%s(requests: %s, finished: %s) error: %s, listenerCount: %s',
socket[SOCKET_NAME], socket[SOCKET_REQUEST_COUNT], socket[SOCKET_REQUEST_FINISHED_COUNT],
err, listenerCount);
agent.errorSocketCount++;
if (listenerCount === 1) {
// if socket don't contain error event handler, don't catch it, emit it again
debug('%s emit uncaught error event', socket[SOCKET_NAME]);
socket.removeListener('error', onError);
socket.emit('error', err);
}
}
socket.on('error', onError);
function onRemove() {
debug('%s(requests: %s, finished: %s) agentRemove',
socket[SOCKET_NAME],
socket[SOCKET_REQUEST_COUNT], socket[SOCKET_REQUEST_FINISHED_COUNT]);
// We need this function for cases like HTTP 'upgrade'
// (defined by WebSockets) where we need to remove a socket from the
// pool because it'll be locked up indefinitely
socket.removeListener('close', onClose);
socket.removeListener('error', onError);
socket.removeListener('free', onFree);
socket.removeListener('timeout', onTimeout);
socket.removeListener('agentRemove', onRemove);
}
socket.on('agentRemove', onRemove);
}
module.exports = Agent;
function inspect(obj) {
const res = {};
for (const key in obj) {
res[key] = obj[key].length;
}
return res;
}

View File

@@ -0,0 +1,14 @@
'use strict';
module.exports = {
// agent
CURRENT_ID: Symbol('agentkeepalive#currentId'),
CREATE_ID: Symbol('agentkeepalive#createId'),
INIT_SOCKET: Symbol('agentkeepalive#initSocket'),
CREATE_HTTPS_CONNECTION: Symbol('agentkeepalive#createHttpsConnection'),
// socket
SOCKET_CREATED_TIME: Symbol('agentkeepalive#socketCreatedTime'),
SOCKET_NAME: Symbol('agentkeepalive#socketName'),
SOCKET_REQUEST_COUNT: Symbol('agentkeepalive#socketRequestCount'),
SOCKET_REQUEST_FINISHED_COUNT: Symbol('agentkeepalive#socketRequestFinishedCount'),
};

View File

@@ -0,0 +1,51 @@
'use strict';
const OriginalHttpsAgent = require('https').Agent;
const HttpAgent = require('./agent');
const {
INIT_SOCKET,
CREATE_HTTPS_CONNECTION,
} = require('./constants');
class HttpsAgent extends HttpAgent {
constructor(options) {
super(options);
this.defaultPort = 443;
this.protocol = 'https:';
this.maxCachedSessions = this.options.maxCachedSessions;
/* istanbul ignore next */
if (this.maxCachedSessions === undefined) {
this.maxCachedSessions = 100;
}
this._sessionCache = {
map: {},
list: [],
};
}
createConnection(options) {
const socket = this[CREATE_HTTPS_CONNECTION](options);
this[INIT_SOCKET](socket, options);
return socket;
}
}
// https://github.com/nodejs/node/blob/master/lib/https.js#L89
HttpsAgent.prototype[CREATE_HTTPS_CONNECTION] = OriginalHttpsAgent.prototype.createConnection;
[
'getName',
'_getSession',
'_cacheSession',
// https://github.com/nodejs/node/pull/4982
'_evictSession',
].forEach(function(method) {
/* istanbul ignore next */
if (typeof OriginalHttpsAgent.prototype[method] === 'function') {
HttpsAgent.prototype[method] = OriginalHttpsAgent.prototype[method];
}
});
module.exports = HttpsAgent;

View File

@@ -0,0 +1,20 @@
(The MIT License)
Copyright (c) 2014-2017 TJ Holowaychuk <tj@vision-media.ca>
Copyright (c) 2018-2021 Josh Junon
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 +1,481 @@
# debug
[![Build Status](https://travis-ci.org/debug-js/debug.svg?branch=master)](https://travis-ci.org/debug-js/debug) [![Coverage Status](https://coveralls.io/repos/github/debug-js/debug/badge.svg?branch=master)](https://coveralls.io/github/debug-js/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)
<img width="647" src="https://user-images.githubusercontent.com/71256/29091486-fa38524c-7c37-11e7-895f-e7ec8e1039b6.png">
A tiny JavaScript debugging utility modelled after Node.js core's debugging
technique. Works in Node.js and web browsers.
## 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_](./examples/node/app.js):
```js
var debug = require('debug')('http')
, http = require('http')
, name = 'My App';
// fake app
debug('booting %o', 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_](./examples/node/worker.js):
```js
var a = require('debug')('worker:a')
, b = require('debug')('worker:b');
function work() {
a('doing lots of uninteresting work');
setTimeout(work, Math.random() * 1000);
}
work();
function workb() {
b('doing some work');
setTimeout(workb, Math.random() * 2000);
}
workb();
```
The `DEBUG` environment variable is then used to enable these based on space or
comma-delimited names.
Here are some examples:
<img width="647" alt="screen shot 2017-08-08 at 12 53 04 pm" src="https://user-images.githubusercontent.com/71256/29091703-a6302cdc-7c38-11e7-8304-7c0b3bc600cd.png">
<img width="647" alt="screen shot 2017-08-08 at 12 53 38 pm" src="https://user-images.githubusercontent.com/71256/29091700-a62a6888-7c38-11e7-800b-db911291ca2b.png">
<img width="647" alt="screen shot 2017-08-08 at 12 53 25 pm" src="https://user-images.githubusercontent.com/71256/29091701-a62ea114-7c38-11e7-826a-2692bedca740.png">
#### Windows command prompt notes
##### CMD
On Windows the environment variable is set using the `set` command.
```cmd
set DEBUG=*,-not_this
```
Example:
```cmd
set DEBUG=* & node app.js
```
##### PowerShell (VS Code default)
PowerShell uses different syntax to set environment variables.
```cmd
$env:DEBUG = "*,-not_this"
```
Example:
```cmd
$env:DEBUG='app';node app.js
```
Then, run the program to be debugged as usual.
npm script example:
```js
"windowsDebug": "@powershell -Command $env:DEBUG='*';node app.js",
```
## Namespace Colors
Every debug instance has a color generated for it based on its namespace name.
This helps when visually parsing the debug output to identify which debug instance
a debug line belongs to.
#### Node.js
In Node.js, colors are enabled when stderr is a TTY. You also _should_ install
the [`supports-color`](https://npmjs.org/supports-color) module alongside debug,
otherwise debug will only use a small handful of basic colors.
<img width="521" src="https://user-images.githubusercontent.com/71256/29092181-47f6a9e6-7c3a-11e7-9a14-1928d8a711cd.png">
#### Web Browser
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).
<img width="524" src="https://user-images.githubusercontent.com/71256/29092033-b65f9f2e-7c39-11e7-8e32-f6f0d8e865c1.png">
## 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.
<img width="647" src="https://user-images.githubusercontent.com/71256/29091486-fa38524c-7c37-11e7-895f-e7ec8e1039b6.png">
When stdout is not a TTY, `Date#toISOString()` is used, making it more useful for logging the debug information as shown below:
<img width="647" src="https://user-images.githubusercontent.com/71256/29091956-6bd78372-7c39-11e7-8c55-c948396d6edd.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". If you append a "*" to the end of your name, it will always be enabled regardless of the setting of the DEBUG environment variable. You can then use it for normal output as well as debug output.
## 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_HIDE_DATE` | Hide date from debug output (non-TTY). |
| `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);
```
In Chromium-based web browsers (e.g. Brave, Chrome, and Electron), the JavaScript console will—by default—only show messages logged by `debug` if the "Verbose" log level is _enabled_.
<img width="647" src="https://user-images.githubusercontent.com/7143133/152083257-29034707-c42c-4959-8add-3cee850e6fcf.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_](./examples/node/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');
```
## Extend
You can simply extend debugger
```js
const log = require('debug')('auth');
//creates new debug instance with extended namespace
const logSign = log.extend('sign');
const logLogin = log.extend('login');
log('hello'); // auth hello
logSign('hello'); //auth:sign hello
logLogin('hello'); //auth:login hello
```
## Set dynamically
You can also enable debug dynamically by calling the `enable()` method :
```js
let debug = require('debug');
console.log(1, debug.enabled('test'));
debug.enable('test');
console.log(2, debug.enabled('test'));
debug.disable();
console.log(3, debug.enabled('test'));
```
print :
```
1 false
2 true
3 false
```
Usage :
`enable(namespaces)`
`namespaces` can include modes separated by a colon and wildcards.
Note that calling `enable()` completely overrides previously set DEBUG variable :
```
$ DEBUG=foo node -e 'var dbg = require("debug"); dbg.enable("bar"); console.log(dbg.enabled("foo"))'
=> false
```
`disable()`
Will disable all namespaces. The functions returns the namespaces currently
enabled (and skipped). This can be useful if you want to disable debugging
temporarily without knowing what was enabled to begin with.
For example:
```js
let debug = require('debug');
debug.enable('foo:*,-foo:bar');
let namespaces = debug.disable();
debug.enable(namespaces);
```
Note: There is no guarantee that the string will be identical to the initial
enable string, but semantically they will be identical.
## Checking whether a debug target is enabled
After you've created a debug instance, you can determine whether or not it is
enabled by checking the `enabled` property:
```javascript
const debug = require('debug')('http');
if (debug.enabled) {
// do stuff...
}
```
You can also manually toggle this property to force the debug instance to be
enabled or disabled.
## Usage in child processes
Due to the way `debug` detects if the output is a TTY or not, colors are not shown in child processes when `stderr` is piped. A solution is to pass the `DEBUG_COLORS=1` environment variable to the child process.
For example:
```javascript
worker = fork(WORKER_WRAP_PATH, [workerPath], {
stdio: [
/* stdin: */ 0,
/* stdout: */ 'pipe',
/* stderr: */ 'pipe',
'ipc',
],
env: Object.assign({}, process.env, {
DEBUG_COLORS: 1 // without this settings, colors won't be shown
}),
});
worker.stderr.pipe(process.stderr, { end: false });
```
## Authors
- TJ Holowaychuk
- Nathan Rajlich
- Andrew Rhyne
- Josh Junon
## Backers
Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/debug#backer)]
<a href="https://opencollective.com/debug/backer/0/website" target="_blank"><img src="https://opencollective.com/debug/backer/0/avatar.svg"></a>
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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)]
<a href="https://opencollective.com/debug/sponsor/0/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/0/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/1/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/1/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/2/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/2/avatar.svg"></a>
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<a href="https://opencollective.com/debug/sponsor/26/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/26/avatar.svg"></a>
<a href="https://opencollective.com/debug/sponsor/27/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/27/avatar.svg"></a>
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## License
(The MIT License)
Copyright (c) 2014-2017 TJ Holowaychuk &lt;tj@vision-media.ca&gt;
Copyright (c) 2018-2021 Josh Junon
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 +1,101 @@
{
"_from": "debug@^4.1.0",
"_id": "debug@4.3.4",
"_inBundle": false,
"_integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
"_location": "/agentkeepalive/debug",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "debug@^4.1.0",
"name": "debug",
"escapedName": "debug",
"rawSpec": "^4.1.0",
"saveSpec": null,
"fetchSpec": "^4.1.0"
},
"_requiredBy": [
"/agentkeepalive"
],
"_resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
"_shasum": "1319f6579357f2338d3337d2cdd4914bb5dcc865",
"_spec": "debug@^4.1.0",
"_where": "D:\\rud\\kodtarak\\14d_frontend_2021\\chinook\\node_modules\\agentkeepalive",
"author": {
"name": "Josh Junon",
"email": "josh.junon@protonmail.com"
},
"browser": "./src/browser.js",
"bugs": {
"url": "https://github.com/debug-js/debug/issues"
},
"bundleDependencies": false,
"contributors": [
{
"name": "TJ Holowaychuk",
"email": "tj@vision-media.ca"
},
{
"name": "Nathan Rajlich",
"email": "nathan@tootallnate.net",
"url": "http://n8.io"
},
{
"name": "Andrew Rhyne",
"email": "rhyneandrew@gmail.com"
}
],
"dependencies": {
"ms": "2.1.2"
},
"deprecated": false,
"description": "Lightweight debugging utility for Node.js and the browser",
"devDependencies": {
"brfs": "^2.0.1",
"browserify": "^16.2.3",
"coveralls": "^3.0.2",
"istanbul": "^0.4.5",
"karma": "^3.1.4",
"karma-browserify": "^6.0.0",
"karma-chrome-launcher": "^2.2.0",
"karma-mocha": "^1.3.0",
"mocha": "^5.2.0",
"mocha-lcov-reporter": "^1.2.0",
"xo": "^0.23.0"
},
"engines": {
"node": ">=6.0"
},
"files": [
"src",
"LICENSE",
"README.md"
],
"homepage": "https://github.com/debug-js/debug#readme",
"keywords": [
"debug",
"log",
"debugger"
],
"license": "MIT",
"main": "./src/index.js",
"name": "debug",
"peerDependenciesMeta": {
"supports-color": {
"optional": true
}
},
"repository": {
"type": "git",
"url": "git://github.com/debug-js/debug.git"
},
"scripts": {
"lint": "xo",
"test": "npm run test:node && npm run test:browser && npm run lint",
"test:browser": "karma start --single-run",
"test:coverage": "cat ./coverage/lcov.info | coveralls",
"test:node": "istanbul cover _mocha -- test.js"
},
"version": "4.3.4"
}

View File

@@ -0,0 +1,269 @@
/* eslint-env browser */
/**
* This is the web browser implementation of `debug()`.
*/
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = localstorage();
exports.destroy = (() => {
let warned = false;
return () => {
if (!warned) {
warned = true;
console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
}
};
})();
/**
* Colors.
*/
exports.colors = [
'#0000CC',
'#0000FF',
'#0033CC',
'#0033FF',
'#0066CC',
'#0066FF',
'#0099CC',
'#0099FF',
'#00CC00',
'#00CC33',
'#00CC66',
'#00CC99',
'#00CCCC',
'#00CCFF',
'#3300CC',
'#3300FF',
'#3333CC',
'#3333FF',
'#3366CC',
'#3366FF',
'#3399CC',
'#3399FF',
'#33CC00',
'#33CC33',
'#33CC66',
'#33CC99',
'#33CCCC',
'#33CCFF',
'#6600CC',
'#6600FF',
'#6633CC',
'#6633FF',
'#66CC00',
'#66CC33',
'#9900CC',
'#9900FF',
'#9933CC',
'#9933FF',
'#99CC00',
'#99CC33',
'#CC0000',
'#CC0033',
'#CC0066',
'#CC0099',
'#CC00CC',
'#CC00FF',
'#CC3300',
'#CC3333',
'#CC3366',
'#CC3399',
'#CC33CC',
'#CC33FF',
'#CC6600',
'#CC6633',
'#CC9900',
'#CC9933',
'#CCCC00',
'#CCCC33',
'#FF0000',
'#FF0033',
'#FF0066',
'#FF0099',
'#FF00CC',
'#FF00FF',
'#FF3300',
'#FF3333',
'#FF3366',
'#FF3399',
'#FF33CC',
'#FF33FF',
'#FF6600',
'#FF6633',
'#FF9900',
'#FF9933',
'#FFCC00',
'#FFCC33'
];
/**
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
* and the Firebug extension (any Firefox version) are known
* to support "%c" CSS customizations.
*
* TODO: add a `localStorage` variable to explicitly enable/disable colors
*/
// eslint-disable-next-line complexity
function useColors() {
// NB: In an Electron preload script, document will be defined but not fully
// initialized. Since we know we're in Chrome, we'll just detect this case
// explicitly
if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
return true;
}
// Internet Explorer and Edge do not support colors.
if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
return false;
}
// Is webkit? http://stackoverflow.com/a/16459606/376773
// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
// Is firebug? http://stackoverflow.com/a/398120/376773
(typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
// Is firefox >= v31?
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
// Double check webkit in userAgent just in case we are in a worker
(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
}
/**
* Colorize log arguments if enabled.
*
* @api public
*/
function formatArgs(args) {
args[0] = (this.useColors ? '%c' : '') +
this.namespace +
(this.useColors ? ' %c' : ' ') +
args[0] +
(this.useColors ? '%c ' : ' ') +
'+' + module.exports.humanize(this.diff);
if (!this.useColors) {
return;
}
const c = 'color: ' + this.color;
args.splice(1, 0, c, 'color: inherit');
// The final "%c" is somewhat tricky, because there could be other
// arguments passed either before or after the %c, so we need to
// figure out the correct index to insert the CSS into
let index = 0;
let lastC = 0;
args[0].replace(/%[a-zA-Z%]/g, match => {
if (match === '%%') {
return;
}
index++;
if (match === '%c') {
// We only are interested in the *last* %c
// (the user may have provided their own)
lastC = index;
}
});
args.splice(lastC, 0, c);
}
/**
* Invokes `console.debug()` when available.
* No-op when `console.debug` is not a "function".
* If `console.debug` is not available, falls back
* to `console.log`.
*
* @api public
*/
exports.log = console.debug || console.log || (() => {});
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
try {
if (namespaces) {
exports.storage.setItem('debug', namespaces);
} else {
exports.storage.removeItem('debug');
}
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
let r;
try {
r = exports.storage.getItem('debug');
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
// If debug isn't set in LS, and we're in Electron, try to load $DEBUG
if (!r && typeof process !== 'undefined' && 'env' in process) {
r = process.env.DEBUG;
}
return r;
}
/**
* Localstorage attempts to return the localstorage.
*
* This is necessary because safari throws
* when a user disables cookies/localstorage
* and you attempt to access it.
*
* @return {LocalStorage}
* @api private
*/
function localstorage() {
try {
// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
// The Browser also has localStorage in the global context.
return localStorage;
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
}
module.exports = require('./common')(exports);
const {formatters} = module.exports;
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/
formatters.j = function (v) {
try {
return JSON.stringify(v);
} catch (error) {
return '[UnexpectedJSONParseError]: ' + error.message;
}
};

View File

@@ -0,0 +1,274 @@
/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*/
function setup(env) {
createDebug.debug = createDebug;
createDebug.default = createDebug;
createDebug.coerce = coerce;
createDebug.disable = disable;
createDebug.enable = enable;
createDebug.enabled = enabled;
createDebug.humanize = require('ms');
createDebug.destroy = destroy;
Object.keys(env).forEach(key => {
createDebug[key] = env[key];
});
/**
* The currently active debug mode names, and names to skip.
*/
createDebug.names = [];
createDebug.skips = [];
/**
* Map of special "%n" handling functions, for the debug "format" argument.
*
* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
*/
createDebug.formatters = {};
/**
* Selects a color for a debug namespace
* @param {String} namespace The namespace string for the debug instance to be colored
* @return {Number|String} An ANSI color code for the given namespace
* @api private
*/
function selectColor(namespace) {
let hash = 0;
for (let i = 0; i < namespace.length; i++) {
hash = ((hash << 5) - hash) + namespace.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
}
createDebug.selectColor = selectColor;
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/
function createDebug(namespace) {
let prevTime;
let enableOverride = null;
let namespacesCache;
let enabledCache;
function debug(...args) {
// Disabled?
if (!debug.enabled) {
return;
}
const self = debug;
// Set `diff` timestamp
const curr = Number(new Date());
const ms = curr - (prevTime || curr);
self.diff = ms;
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
args[0] = createDebug.coerce(args[0]);
if (typeof args[0] !== 'string') {
// Anything else let's inspect with %O
args.unshift('%O');
}
// Apply any `formatters` transformations
let index = 0;
args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
// If we encounter an escaped % then don't increase the array index
if (match === '%%') {
return '%';
}
index++;
const formatter = createDebug.formatters[format];
if (typeof formatter === 'function') {
const val = args[index];
match = formatter.call(self, val);
// Now we need to remove `args[index]` since it's inlined in the `format`
args.splice(index, 1);
index--;
}
return match;
});
// Apply env-specific formatting (colors, etc.)
createDebug.formatArgs.call(self, args);
const logFn = self.log || createDebug.log;
logFn.apply(self, args);
}
debug.namespace = namespace;
debug.useColors = createDebug.useColors();
debug.color = createDebug.selectColor(namespace);
debug.extend = extend;
debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.
Object.defineProperty(debug, 'enabled', {
enumerable: true,
configurable: false,
get: () => {
if (enableOverride !== null) {
return enableOverride;
}
if (namespacesCache !== createDebug.namespaces) {
namespacesCache = createDebug.namespaces;
enabledCache = createDebug.enabled(namespace);
}
return enabledCache;
},
set: v => {
enableOverride = v;
}
});
// Env-specific initialization logic for debug instances
if (typeof createDebug.init === 'function') {
createDebug.init(debug);
}
return debug;
}
function extend(namespace, delimiter) {
const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
newDebug.log = this.log;
return newDebug;
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/
function enable(namespaces) {
createDebug.save(namespaces);
createDebug.namespaces = namespaces;
createDebug.names = [];
createDebug.skips = [];
let i;
const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
const len = split.length;
for (i = 0; i < len; i++) {
if (!split[i]) {
// ignore empty strings
continue;
}
namespaces = split[i].replace(/\*/g, '.*?');
if (namespaces[0] === '-') {
createDebug.skips.push(new RegExp('^' + namespaces.slice(1) + '$'));
} else {
createDebug.names.push(new RegExp('^' + namespaces + '$'));
}
}
}
/**
* Disable debug output.
*
* @return {String} namespaces
* @api public
*/
function disable() {
const namespaces = [
...createDebug.names.map(toNamespace),
...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace)
].join(',');
createDebug.enable('');
return namespaces;
}
/**
* Returns true if the given mode name is enabled, false otherwise.
*
* @param {String} name
* @return {Boolean}
* @api public
*/
function enabled(name) {
if (name[name.length - 1] === '*') {
return true;
}
let i;
let len;
for (i = 0, len = createDebug.skips.length; i < len; i++) {
if (createDebug.skips[i].test(name)) {
return false;
}
}
for (i = 0, len = createDebug.names.length; i < len; i++) {
if (createDebug.names[i].test(name)) {
return true;
}
}
return false;
}
/**
* Convert regexp to namespace
*
* @param {RegExp} regxep
* @return {String} namespace
* @api private
*/
function toNamespace(regexp) {
return regexp.toString()
.substring(2, regexp.toString().length - 2)
.replace(/\.\*\?$/, '*');
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/
function coerce(val) {
if (val instanceof Error) {
return val.stack || val.message;
}
return val;
}
/**
* XXX DO NOT USE. This is a temporary stub function.
* XXX It WILL be removed in the next major release.
*/
function destroy() {
console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
}
createDebug.enable(createDebug.load());
return createDebug;
}
module.exports = setup;

View File

@@ -0,0 +1,10 @@
/**
* Detect Electron renderer / nwjs process, which is node, but we should
* treat as a browser.
*/
if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) {
module.exports = require('./browser.js');
} else {
module.exports = require('./node.js');
}

View File

@@ -0,0 +1,263 @@
/**
* Module dependencies.
*/
const tty = require('tty');
const util = require('util');
/**
* This is the Node.js implementation of `debug()`.
*/
exports.init = init;
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.destroy = util.deprecate(
() => {},
'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'
);
/**
* Colors.
*/
exports.colors = [6, 2, 3, 4, 5, 1];
try {
// Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)
// eslint-disable-next-line import/no-extraneous-dependencies
const supportsColor = require('supports-color');
if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {
exports.colors = [
20,
21,
26,
27,
32,
33,
38,
39,
40,
41,
42,
43,
44,
45,
56,
57,
62,
63,
68,
69,
74,
75,
76,
77,
78,
79,
80,
81,
92,
93,
98,
99,
112,
113,
128,
129,
134,
135,
148,
149,
160,
161,
162,
163,
164,
165,
166,
167,
168,
169,
170,
171,
172,
173,
178,
179,
184,
185,
196,
197,
198,
199,
200,
201,
202,
203,
204,
205,
206,
207,
208,
209,
214,
215,
220,
221
];
}
} catch (error) {
// Swallow - we only care if `supports-color` is available; it doesn't have to be.
}
/**
* Build up the default `inspectOpts` object from the environment variables.
*
* $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
*/
exports.inspectOpts = Object.keys(process.env).filter(key => {
return /^debug_/i.test(key);
}).reduce((obj, key) => {
// Camel-case
const prop = key
.substring(6)
.toLowerCase()
.replace(/_([a-z])/g, (_, k) => {
return k.toUpperCase();
});
// Coerce string value into JS value
let val = process.env[key];
if (/^(yes|on|true|enabled)$/i.test(val)) {
val = true;
} else if (/^(no|off|false|disabled)$/i.test(val)) {
val = false;
} else if (val === 'null') {
val = null;
} else {
val = Number(val);
}
obj[prop] = val;
return obj;
}, {});
/**
* Is stdout a TTY? Colored output is enabled when `true`.
*/
function useColors() {
return 'colors' in exports.inspectOpts ?
Boolean(exports.inspectOpts.colors) :
tty.isatty(process.stderr.fd);
}
/**
* Adds ANSI color escape codes if enabled.
*
* @api public
*/
function formatArgs(args) {
const {namespace: name, useColors} = this;
if (useColors) {
const c = this.color;
const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c);
const prefix = ` ${colorCode};1m${name} \u001B[0m`;
args[0] = prefix + args[0].split('\n').join('\n' + prefix);
args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m');
} else {
args[0] = getDate() + name + ' ' + args[0];
}
}
function getDate() {
if (exports.inspectOpts.hideDate) {
return '';
}
return new Date().toISOString() + ' ';
}
/**
* Invokes `util.format()` with the specified arguments and writes to stderr.
*/
function log(...args) {
return process.stderr.write(util.format(...args) + '\n');
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
if (namespaces) {
process.env.DEBUG = namespaces;
} else {
// If you set a process.env field to null or undefined, it gets cast to the
// string 'null' or 'undefined'. Just delete instead.
delete process.env.DEBUG;
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
return process.env.DEBUG;
}
/**
* Init logic for `debug` instances.
*
* Create a new `inspectOpts` object in case `useColors` is set
* differently for a particular `debug` instance.
*/
function init(debug) {
debug.inspectOpts = {};
const keys = Object.keys(exports.inspectOpts);
for (let i = 0; i < keys.length; i++) {
debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
}
}
module.exports = require('./common')(exports);
const {formatters} = module.exports;
/**
* Map %o to `util.inspect()`, all on a single line.
*/
formatters.o = function (v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts)
.split('\n')
.map(str => str.trim())
.join(' ');
};
/**
* Map %O to `util.inspect()`, allowing multiple lines if needed.
*/
formatters.O = function (v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts);
};

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@@ -0,0 +1,96 @@
1.1.2 / 2018-01-11
==================
* perf: remove argument reassignment
* Support Node.js 0.6 to 9.x
1.1.1 / 2017-07-27
==================
* Remove unnecessary `Buffer` loading
* Support Node.js 0.6 to 8.x
1.1.0 / 2015-09-14
==================
* Enable strict mode in more places
* Support io.js 3.x
* Support io.js 2.x
* Support web browser loading
- Requires bundler like Browserify or webpack
1.0.1 / 2015-04-07
==================
* Fix `TypeError`s when under `'use strict'` code
* Fix useless type name on auto-generated messages
* Support io.js 1.x
* Support Node.js 0.12
1.0.0 / 2014-09-17
==================
* No changes
0.4.5 / 2014-09-09
==================
* Improve call speed to functions using the function wrapper
* Support Node.js 0.6
0.4.4 / 2014-07-27
==================
* Work-around v8 generating empty stack traces
0.4.3 / 2014-07-26
==================
* Fix exception when global `Error.stackTraceLimit` is too low
0.4.2 / 2014-07-19
==================
* Correct call site for wrapped functions and properties
0.4.1 / 2014-07-19
==================
* Improve automatic message generation for function properties
0.4.0 / 2014-07-19
==================
* Add `TRACE_DEPRECATION` environment variable
* Remove non-standard grey color from color output
* Support `--no-deprecation` argument
* Support `--trace-deprecation` argument
* Support `deprecate.property(fn, prop, message)`
0.3.0 / 2014-06-16
==================
* Add `NO_DEPRECATION` environment variable
0.2.0 / 2014-06-15
==================
* Add `deprecate.property(obj, prop, message)`
* Remove `supports-color` dependency for node.js 0.8
0.1.0 / 2014-06-15
==================
* Add `deprecate.function(fn, message)`
* Add `process.on('deprecation', fn)` emitter
* Automatically generate message when omitted from `deprecate()`
0.0.1 / 2014-06-15
==================
* Fix warning for dynamic calls at singe call site
0.0.0 / 2014-06-15
==================
* Initial implementation

View File

@@ -0,0 +1,22 @@
(The MIT License)
Copyright (c) 2014-2017 Douglas Christopher Wilson
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 +1,280 @@
# depd
[![NPM Version][npm-version-image]][npm-url]
[![NPM Downloads][npm-downloads-image]][npm-url]
[![Node.js Version][node-image]][node-url]
[![Linux Build][travis-image]][travis-url]
[![Windows Build][appveyor-image]][appveyor-url]
[![Coverage Status][coveralls-image]][coveralls-url]
Deprecate all the things
> With great modules comes great responsibility; mark things deprecated!
## Install
This module is installed directly using `npm`:
```sh
$ npm install depd
```
This module can also be bundled with systems like
[Browserify](http://browserify.org/) or [webpack](https://webpack.github.io/),
though by default this module will alter it's API to no longer display or
track deprecations.
## API
<!-- eslint-disable no-unused-vars -->
```js
var deprecate = require('depd')('my-module')
```
This library allows you to display deprecation messages to your users.
This library goes above and beyond with deprecation warnings by
introspection of the call stack (but only the bits that it is interested
in).
Instead of just warning on the first invocation of a deprecated
function and never again, this module will warn on the first invocation
of a deprecated function per unique call site, making it ideal to alert
users of all deprecated uses across the code base, rather than just
whatever happens to execute first.
The deprecation warnings from this module also include the file and line
information for the call into the module that the deprecated function was
in.
**NOTE** this library has a similar interface to the `debug` module, and
this module uses the calling file to get the boundary for the call stacks,
so you should always create a new `deprecate` object in each file and not
within some central file.
### depd(namespace)
Create a new deprecate function that uses the given namespace name in the
messages and will display the call site prior to the stack entering the
file this function was called from. It is highly suggested you use the
name of your module as the namespace.
### deprecate(message)
Call this function from deprecated code to display a deprecation message.
This message will appear once per unique caller site. Caller site is the
first call site in the stack in a different file from the caller of this
function.
If the message is omitted, a message is generated for you based on the site
of the `deprecate()` call and will display the name of the function called,
similar to the name displayed in a stack trace.
### deprecate.function(fn, message)
Call this function to wrap a given function in a deprecation message on any
call to the function. An optional message can be supplied to provide a custom
message.
### deprecate.property(obj, prop, message)
Call this function to wrap a given property on object in a deprecation message
on any accessing or setting of the property. An optional message can be supplied
to provide a custom message.
The method must be called on the object where the property belongs (not
inherited from the prototype).
If the property is a data descriptor, it will be converted to an accessor
descriptor in order to display the deprecation message.
### process.on('deprecation', fn)
This module will allow easy capturing of deprecation errors by emitting the
errors as the type "deprecation" on the global `process`. If there are no
listeners for this type, the errors are written to STDERR as normal, but if
there are any listeners, nothing will be written to STDERR and instead only
emitted. From there, you can write the errors in a different format or to a
logging source.
The error represents the deprecation and is emitted only once with the same
rules as writing to STDERR. The error has the following properties:
- `message` - This is the message given by the library
- `name` - This is always `'DeprecationError'`
- `namespace` - This is the namespace the deprecation came from
- `stack` - This is the stack of the call to the deprecated thing
Example `error.stack` output:
```
DeprecationError: my-cool-module deprecated oldfunction
at Object.<anonymous> ([eval]-wrapper:6:22)
at Module._compile (module.js:456:26)
at evalScript (node.js:532:25)
at startup (node.js:80:7)
at node.js:902:3
```
### process.env.NO_DEPRECATION
As a user of modules that are deprecated, the environment variable `NO_DEPRECATION`
is provided as a quick solution to silencing deprecation warnings from being
output. The format of this is similar to that of `DEBUG`:
```sh
$ NO_DEPRECATION=my-module,othermod node app.js
```
This will suppress deprecations from being output for "my-module" and "othermod".
The value is a list of comma-separated namespaces. To suppress every warning
across all namespaces, use the value `*` for a namespace.
Providing the argument `--no-deprecation` to the `node` executable will suppress
all deprecations (only available in Node.js 0.8 or higher).
**NOTE** This will not suppress the deperecations given to any "deprecation"
event listeners, just the output to STDERR.
### process.env.TRACE_DEPRECATION
As a user of modules that are deprecated, the environment variable `TRACE_DEPRECATION`
is provided as a solution to getting more detailed location information in deprecation
warnings by including the entire stack trace. The format of this is the same as
`NO_DEPRECATION`:
```sh
$ TRACE_DEPRECATION=my-module,othermod node app.js
```
This will include stack traces for deprecations being output for "my-module" and
"othermod". The value is a list of comma-separated namespaces. To trace every
warning across all namespaces, use the value `*` for a namespace.
Providing the argument `--trace-deprecation` to the `node` executable will trace
all deprecations (only available in Node.js 0.8 or higher).
**NOTE** This will not trace the deperecations silenced by `NO_DEPRECATION`.
## Display
![message](files/message.png)
When a user calls a function in your library that you mark deprecated, they
will see the following written to STDERR (in the given colors, similar colors
and layout to the `debug` module):
```
bright cyan bright yellow
| | reset cyan
| | | |
▼ ▼ ▼ ▼
my-cool-module deprecated oldfunction [eval]-wrapper:6:22
▲ ▲ ▲ ▲
| | | |
namespace | | location of mycoolmod.oldfunction() call
| deprecation message
the word "deprecated"
```
If the user redirects their STDERR to a file or somewhere that does not support
colors, they see (similar layout to the `debug` module):
```
Sun, 15 Jun 2014 05:21:37 GMT my-cool-module deprecated oldfunction at [eval]-wrapper:6:22
▲ ▲ ▲ ▲ ▲
| | | | |
timestamp of message namespace | | location of mycoolmod.oldfunction() call
| deprecation message
the word "deprecated"
```
## Examples
### Deprecating all calls to a function
This will display a deprecated message about "oldfunction" being deprecated
from "my-module" on STDERR.
```js
var deprecate = require('depd')('my-cool-module')
// message automatically derived from function name
// Object.oldfunction
exports.oldfunction = deprecate.function(function oldfunction () {
// all calls to function are deprecated
})
// specific message
exports.oldfunction = deprecate.function(function () {
// all calls to function are deprecated
}, 'oldfunction')
```
### Conditionally deprecating a function call
This will display a deprecated message about "weirdfunction" being deprecated
from "my-module" on STDERR when called with less than 2 arguments.
```js
var deprecate = require('depd')('my-cool-module')
exports.weirdfunction = function () {
if (arguments.length < 2) {
// calls with 0 or 1 args are deprecated
deprecate('weirdfunction args < 2')
}
}
```
When calling `deprecate` as a function, the warning is counted per call site
within your own module, so you can display different deprecations depending
on different situations and the users will still get all the warnings:
```js
var deprecate = require('depd')('my-cool-module')
exports.weirdfunction = function () {
if (arguments.length < 2) {
// calls with 0 or 1 args are deprecated
deprecate('weirdfunction args < 2')
} else if (typeof arguments[0] !== 'string') {
// calls with non-string first argument are deprecated
deprecate('weirdfunction non-string first arg')
}
}
```
### Deprecating property access
This will display a deprecated message about "oldprop" being deprecated
from "my-module" on STDERR when accessed. A deprecation will be displayed
when setting the value and when getting the value.
```js
var deprecate = require('depd')('my-cool-module')
exports.oldprop = 'something'
// message automatically derives from property name
deprecate.property(exports, 'oldprop')
// explicit message
deprecate.property(exports, 'oldprop', 'oldprop >= 0.10')
```
## License
[MIT](LICENSE)
[npm-version-image]: https://img.shields.io/npm/v/depd.svg
[npm-downloads-image]: https://img.shields.io/npm/dm/depd.svg
[npm-url]: https://npmjs.org/package/depd
[travis-image]: https://img.shields.io/travis/dougwilson/nodejs-depd/master.svg?label=linux
[travis-url]: https://travis-ci.org/dougwilson/nodejs-depd
[appveyor-image]: https://img.shields.io/appveyor/ci/dougwilson/nodejs-depd/master.svg?label=windows
[appveyor-url]: https://ci.appveyor.com/project/dougwilson/nodejs-depd
[coveralls-image]: https://img.shields.io/coveralls/dougwilson/nodejs-depd/master.svg
[coveralls-url]: https://coveralls.io/r/dougwilson/nodejs-depd?branch=master
[node-image]: https://img.shields.io/node/v/depd.svg
[node-url]: https://nodejs.org/en/download/

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@@ -0,0 +1,522 @@
/*!
* depd
* Copyright(c) 2014-2017 Douglas Christopher Wilson
* MIT Licensed
*/
/**
* Module dependencies.
*/
var callSiteToString = require('./lib/compat').callSiteToString
var eventListenerCount = require('./lib/compat').eventListenerCount
var relative = require('path').relative
/**
* Module exports.
*/
module.exports = depd
/**
* Get the path to base files on.
*/
var basePath = process.cwd()
/**
* Determine if namespace is contained in the string.
*/
function containsNamespace (str, namespace) {
var vals = str.split(/[ ,]+/)
var ns = String(namespace).toLowerCase()
for (var i = 0; i < vals.length; i++) {
var val = vals[i]
// namespace contained
if (val && (val === '*' || val.toLowerCase() === ns)) {
return true
}
}
return false
}
/**
* Convert a data descriptor to accessor descriptor.
*/
function convertDataDescriptorToAccessor (obj, prop, message) {
var descriptor = Object.getOwnPropertyDescriptor(obj, prop)
var value = descriptor.value
descriptor.get = function getter () { return value }
if (descriptor.writable) {
descriptor.set = function setter (val) { return (value = val) }
}
delete descriptor.value
delete descriptor.writable
Object.defineProperty(obj, prop, descriptor)
return descriptor
}
/**
* Create arguments string to keep arity.
*/
function createArgumentsString (arity) {
var str = ''
for (var i = 0; i < arity; i++) {
str += ', arg' + i
}
return str.substr(2)
}
/**
* Create stack string from stack.
*/
function createStackString (stack) {
var str = this.name + ': ' + this.namespace
if (this.message) {
str += ' deprecated ' + this.message
}
for (var i = 0; i < stack.length; i++) {
str += '\n at ' + callSiteToString(stack[i])
}
return str
}
/**
* Create deprecate for namespace in caller.
*/
function depd (namespace) {
if (!namespace) {
throw new TypeError('argument namespace is required')
}
var stack = getStack()
var site = callSiteLocation(stack[1])
var file = site[0]
function deprecate (message) {
// call to self as log
log.call(deprecate, message)
}
deprecate._file = file
deprecate._ignored = isignored(namespace)
deprecate._namespace = namespace
deprecate._traced = istraced(namespace)
deprecate._warned = Object.create(null)
deprecate.function = wrapfunction
deprecate.property = wrapproperty
return deprecate
}
/**
* Determine if namespace is ignored.
*/
function isignored (namespace) {
/* istanbul ignore next: tested in a child processs */
if (process.noDeprecation) {
// --no-deprecation support
return true
}
var str = process.env.NO_DEPRECATION || ''
// namespace ignored
return containsNamespace(str, namespace)
}
/**
* Determine if namespace is traced.
*/
function istraced (namespace) {
/* istanbul ignore next: tested in a child processs */
if (process.traceDeprecation) {
// --trace-deprecation support
return true
}
var str = process.env.TRACE_DEPRECATION || ''
// namespace traced
return containsNamespace(str, namespace)
}
/**
* Display deprecation message.
*/
function log (message, site) {
var haslisteners = eventListenerCount(process, 'deprecation') !== 0
// abort early if no destination
if (!haslisteners && this._ignored) {
return
}
var caller
var callFile
var callSite
var depSite
var i = 0
var seen = false
var stack = getStack()
var file = this._file
if (site) {
// provided site
depSite = site
callSite = callSiteLocation(stack[1])
callSite.name = depSite.name
file = callSite[0]
} else {
// get call site
i = 2
depSite = callSiteLocation(stack[i])
callSite = depSite
}
// get caller of deprecated thing in relation to file
for (; i < stack.length; i++) {
caller = callSiteLocation(stack[i])
callFile = caller[0]
if (callFile === file) {
seen = true
} else if (callFile === this._file) {
file = this._file
} else if (seen) {
break
}
}
var key = caller
? depSite.join(':') + '__' + caller.join(':')
: undefined
if (key !== undefined && key in this._warned) {
// already warned
return
}
this._warned[key] = true
// generate automatic message from call site
var msg = message
if (!msg) {
msg = callSite === depSite || !callSite.name
? defaultMessage(depSite)
: defaultMessage(callSite)
}
// emit deprecation if listeners exist
if (haslisteners) {
var err = DeprecationError(this._namespace, msg, stack.slice(i))
process.emit('deprecation', err)
return
}
// format and write message
var format = process.stderr.isTTY
? formatColor
: formatPlain
var output = format.call(this, msg, caller, stack.slice(i))
process.stderr.write(output + '\n', 'utf8')
}
/**
* Get call site location as array.
*/
function callSiteLocation (callSite) {
var file = callSite.getFileName() || '<anonymous>'
var line = callSite.getLineNumber()
var colm = callSite.getColumnNumber()
if (callSite.isEval()) {
file = callSite.getEvalOrigin() + ', ' + file
}
var site = [file, line, colm]
site.callSite = callSite
site.name = callSite.getFunctionName()
return site
}
/**
* Generate a default message from the site.
*/
function defaultMessage (site) {
var callSite = site.callSite
var funcName = site.name
// make useful anonymous name
if (!funcName) {
funcName = '<anonymous@' + formatLocation(site) + '>'
}
var context = callSite.getThis()
var typeName = context && callSite.getTypeName()
// ignore useless type name
if (typeName === 'Object') {
typeName = undefined
}
// make useful type name
if (typeName === 'Function') {
typeName = context.name || typeName
}
return typeName && callSite.getMethodName()
? typeName + '.' + funcName
: funcName
}
/**
* Format deprecation message without color.
*/
function formatPlain (msg, caller, stack) {
var timestamp = new Date().toUTCString()
var formatted = timestamp +
' ' + this._namespace +
' deprecated ' + msg
// add stack trace
if (this._traced) {
for (var i = 0; i < stack.length; i++) {
formatted += '\n at ' + callSiteToString(stack[i])
}
return formatted
}
if (caller) {
formatted += ' at ' + formatLocation(caller)
}
return formatted
}
/**
* Format deprecation message with color.
*/
function formatColor (msg, caller, stack) {
var formatted = '\x1b[36;1m' + this._namespace + '\x1b[22;39m' + // bold cyan
' \x1b[33;1mdeprecated\x1b[22;39m' + // bold yellow
' \x1b[0m' + msg + '\x1b[39m' // reset
// add stack trace
if (this._traced) {
for (var i = 0; i < stack.length; i++) {
formatted += '\n \x1b[36mat ' + callSiteToString(stack[i]) + '\x1b[39m' // cyan
}
return formatted
}
if (caller) {
formatted += ' \x1b[36m' + formatLocation(caller) + '\x1b[39m' // cyan
}
return formatted
}
/**
* Format call site location.
*/
function formatLocation (callSite) {
return relative(basePath, callSite[0]) +
':' + callSite[1] +
':' + callSite[2]
}
/**
* Get the stack as array of call sites.
*/
function getStack () {
var limit = Error.stackTraceLimit
var obj = {}
var prep = Error.prepareStackTrace
Error.prepareStackTrace = prepareObjectStackTrace
Error.stackTraceLimit = Math.max(10, limit)
// capture the stack
Error.captureStackTrace(obj)
// slice this function off the top
var stack = obj.stack.slice(1)
Error.prepareStackTrace = prep
Error.stackTraceLimit = limit
return stack
}
/**
* Capture call site stack from v8.
*/
function prepareObjectStackTrace (obj, stack) {
return stack
}
/**
* Return a wrapped function in a deprecation message.
*/
function wrapfunction (fn, message) {
if (typeof fn !== 'function') {
throw new TypeError('argument fn must be a function')
}
var args = createArgumentsString(fn.length)
var deprecate = this // eslint-disable-line no-unused-vars
var stack = getStack()
var site = callSiteLocation(stack[1])
site.name = fn.name
// eslint-disable-next-line no-eval
var deprecatedfn = eval('(function (' + args + ') {\n' +
'"use strict"\n' +
'log.call(deprecate, message, site)\n' +
'return fn.apply(this, arguments)\n' +
'})')
return deprecatedfn
}
/**
* Wrap property in a deprecation message.
*/
function wrapproperty (obj, prop, message) {
if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
throw new TypeError('argument obj must be object')
}
var descriptor = Object.getOwnPropertyDescriptor(obj, prop)
if (!descriptor) {
throw new TypeError('must call property on owner object')
}
if (!descriptor.configurable) {
throw new TypeError('property must be configurable')
}
var deprecate = this
var stack = getStack()
var site = callSiteLocation(stack[1])
// set site name
site.name = prop
// convert data descriptor
if ('value' in descriptor) {
descriptor = convertDataDescriptorToAccessor(obj, prop, message)
}
var get = descriptor.get
var set = descriptor.set
// wrap getter
if (typeof get === 'function') {
descriptor.get = function getter () {
log.call(deprecate, message, site)
return get.apply(this, arguments)
}
}
// wrap setter
if (typeof set === 'function') {
descriptor.set = function setter () {
log.call(deprecate, message, site)
return set.apply(this, arguments)
}
}
Object.defineProperty(obj, prop, descriptor)
}
/**
* Create DeprecationError for deprecation
*/
function DeprecationError (namespace, message, stack) {
var error = new Error()
var stackString
Object.defineProperty(error, 'constructor', {
value: DeprecationError
})
Object.defineProperty(error, 'message', {
configurable: true,
enumerable: false,
value: message,
writable: true
})
Object.defineProperty(error, 'name', {
enumerable: false,
configurable: true,
value: 'DeprecationError',
writable: true
})
Object.defineProperty(error, 'namespace', {
configurable: true,
enumerable: false,
value: namespace,
writable: true
})
Object.defineProperty(error, 'stack', {
configurable: true,
enumerable: false,
get: function () {
if (stackString !== undefined) {
return stackString
}
// prepare stack trace
return (stackString = createStackString.call(this, stack))
},
set: function setter (val) {
stackString = val
}
})
return error
}

View File

@@ -0,0 +1,77 @@
/*!
* depd
* Copyright(c) 2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module exports.
* @public
*/
module.exports = depd
/**
* Create deprecate for namespace in caller.
*/
function depd (namespace) {
if (!namespace) {
throw new TypeError('argument namespace is required')
}
function deprecate (message) {
// no-op in browser
}
deprecate._file = undefined
deprecate._ignored = true
deprecate._namespace = namespace
deprecate._traced = false
deprecate._warned = Object.create(null)
deprecate.function = wrapfunction
deprecate.property = wrapproperty
return deprecate
}
/**
* Return a wrapped function in a deprecation message.
*
* This is a no-op version of the wrapper, which does nothing but call
* validation.
*/
function wrapfunction (fn, message) {
if (typeof fn !== 'function') {
throw new TypeError('argument fn must be a function')
}
return fn
}
/**
* Wrap property in a deprecation message.
*
* This is a no-op version of the wrapper, which does nothing but call
* validation.
*/
function wrapproperty (obj, prop, message) {
if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
throw new TypeError('argument obj must be object')
}
var descriptor = Object.getOwnPropertyDescriptor(obj, prop)
if (!descriptor) {
throw new TypeError('must call property on owner object')
}
if (!descriptor.configurable) {
throw new TypeError('property must be configurable')
}
}

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@@ -0,0 +1,103 @@
/*!
* depd
* Copyright(c) 2014 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module exports.
*/
module.exports = callSiteToString
/**
* Format a CallSite file location to a string.
*/
function callSiteFileLocation (callSite) {
var fileName
var fileLocation = ''
if (callSite.isNative()) {
fileLocation = 'native'
} else if (callSite.isEval()) {
fileName = callSite.getScriptNameOrSourceURL()
if (!fileName) {
fileLocation = callSite.getEvalOrigin()
}
} else {
fileName = callSite.getFileName()
}
if (fileName) {
fileLocation += fileName
var lineNumber = callSite.getLineNumber()
if (lineNumber != null) {
fileLocation += ':' + lineNumber
var columnNumber = callSite.getColumnNumber()
if (columnNumber) {
fileLocation += ':' + columnNumber
}
}
}
return fileLocation || 'unknown source'
}
/**
* Format a CallSite to a string.
*/
function callSiteToString (callSite) {
var addSuffix = true
var fileLocation = callSiteFileLocation(callSite)
var functionName = callSite.getFunctionName()
var isConstructor = callSite.isConstructor()
var isMethodCall = !(callSite.isToplevel() || isConstructor)
var line = ''
if (isMethodCall) {
var methodName = callSite.getMethodName()
var typeName = getConstructorName(callSite)
if (functionName) {
if (typeName && functionName.indexOf(typeName) !== 0) {
line += typeName + '.'
}
line += functionName
if (methodName && functionName.lastIndexOf('.' + methodName) !== functionName.length - methodName.length - 1) {
line += ' [as ' + methodName + ']'
}
} else {
line += typeName + '.' + (methodName || '<anonymous>')
}
} else if (isConstructor) {
line += 'new ' + (functionName || '<anonymous>')
} else if (functionName) {
line += functionName
} else {
addSuffix = false
line += fileLocation
}
if (addSuffix) {
line += ' (' + fileLocation + ')'
}
return line
}
/**
* Get constructor name of reviver.
*/
function getConstructorName (obj) {
var receiver = obj.receiver
return (receiver.constructor && receiver.constructor.name) || null
}

View File

@@ -0,0 +1,22 @@
/*!
* depd
* Copyright(c) 2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module exports.
* @public
*/
module.exports = eventListenerCount
/**
* Get the count of listeners on an event emitter of a specific type.
*/
function eventListenerCount (emitter, type) {
return emitter.listeners(type).length
}

View File

@@ -0,0 +1,79 @@
/*!
* depd
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var EventEmitter = require('events').EventEmitter
/**
* Module exports.
* @public
*/
lazyProperty(module.exports, 'callSiteToString', function callSiteToString () {
var limit = Error.stackTraceLimit
var obj = {}
var prep = Error.prepareStackTrace
function prepareObjectStackTrace (obj, stack) {
return stack
}
Error.prepareStackTrace = prepareObjectStackTrace
Error.stackTraceLimit = 2
// capture the stack
Error.captureStackTrace(obj)
// slice the stack
var stack = obj.stack.slice()
Error.prepareStackTrace = prep
Error.stackTraceLimit = limit
return stack[0].toString ? toString : require('./callsite-tostring')
})
lazyProperty(module.exports, 'eventListenerCount', function eventListenerCount () {
return EventEmitter.listenerCount || require('./event-listener-count')
})
/**
* Define a lazy property.
*/
function lazyProperty (obj, prop, getter) {
function get () {
var val = getter()
Object.defineProperty(obj, prop, {
configurable: true,
enumerable: true,
value: val
})
return val
}
Object.defineProperty(obj, prop, {
configurable: true,
enumerable: true,
get: get
})
}
/**
* Call toString() on the obj
*/
function toString (obj) {
return obj.toString()
}

View File

@@ -0,0 +1,76 @@
{
"_from": "depd@^1.1.2",
"_id": "depd@1.1.2",
"_inBundle": false,
"_integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
"_location": "/agentkeepalive/depd",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "depd@^1.1.2",
"name": "depd",
"escapedName": "depd",
"rawSpec": "^1.1.2",
"saveSpec": null,
"fetchSpec": "^1.1.2"
},
"_requiredBy": [
"/agentkeepalive"
],
"_resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
"_shasum": "9bcd52e14c097763e749b274c4346ed2e560b5a9",
"_spec": "depd@^1.1.2",
"_where": "D:\\rud\\kodtarak\\14d_frontend_2021\\chinook\\node_modules\\agentkeepalive",
"author": {
"name": "Douglas Christopher Wilson",
"email": "doug@somethingdoug.com"
},
"browser": "lib/browser/index.js",
"bugs": {
"url": "https://github.com/dougwilson/nodejs-depd/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "Deprecate all the things",
"devDependencies": {
"beautify-benchmark": "0.2.4",
"benchmark": "2.1.4",
"eslint": "3.19.0",
"eslint-config-standard": "7.1.0",
"eslint-plugin-markdown": "1.0.0-beta.7",
"eslint-plugin-promise": "3.6.0",
"eslint-plugin-standard": "3.0.1",
"istanbul": "0.4.5",
"mocha": "~1.21.5"
},
"engines": {
"node": ">= 0.6"
},
"files": [
"lib/",
"History.md",
"LICENSE",
"index.js",
"Readme.md"
],
"homepage": "https://github.com/dougwilson/nodejs-depd#readme",
"keywords": [
"deprecate",
"deprecated"
],
"license": "MIT",
"name": "depd",
"repository": {
"type": "git",
"url": "git+https://github.com/dougwilson/nodejs-depd.git"
},
"scripts": {
"bench": "node benchmark/index.js",
"lint": "eslint --plugin markdown --ext js,md .",
"test": "mocha --reporter spec --bail test/",
"test-ci": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --no-exit test/",
"test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot test/"
},
"version": "1.1.2"
}

View File

@@ -0,0 +1,162 @@
/**
* Helpers.
*/
var s = 1000;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var w = d * 7;
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' && isFinite(val)) {
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|weeks?|w|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 'weeks':
case 'week':
case 'w':
return n * w;
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) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return Math.round(ms / d) + 'd';
}
if (msAbs >= h) {
return Math.round(ms / h) + 'h';
}
if (msAbs >= m) {
return Math.round(ms / m) + 'm';
}
if (msAbs >= s) {
return Math.round(ms / s) + 's';
}
return ms + 'ms';
}
/**
* Long format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtLong(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return plural(ms, msAbs, d, 'day');
}
if (msAbs >= h) {
return plural(ms, msAbs, h, 'hour');
}
if (msAbs >= m) {
return plural(ms, msAbs, m, 'minute');
}
if (msAbs >= s) {
return plural(ms, msAbs, s, 'second');
}
return ms + ' ms';
}
/**
* Pluralization helper.
*/
function plural(ms, msAbs, n, name) {
var isPlural = msAbs >= n * 1.5;
return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
}

View File

@@ -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 +1,69 @@
{
"_from": "ms@2.1.2",
"_id": "ms@2.1.2",
"_inBundle": false,
"_integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
"_location": "/agentkeepalive/ms",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "ms@2.1.2",
"name": "ms",
"escapedName": "ms",
"rawSpec": "2.1.2",
"saveSpec": null,
"fetchSpec": "2.1.2"
},
"_requiredBy": [
"/agentkeepalive/debug"
],
"_resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
"_shasum": "d09d1f357b443f493382a8eb3ccd183872ae6009",
"_spec": "ms@2.1.2",
"_where": "D:\\rud\\kodtarak\\14d_frontend_2021\\chinook\\node_modules\\agentkeepalive\\node_modules\\debug",
"bugs": {
"url": "https://github.com/zeit/ms/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "Tiny millisecond conversion utility",
"devDependencies": {
"eslint": "4.12.1",
"expect.js": "0.3.1",
"husky": "0.14.3",
"lint-staged": "5.0.0",
"mocha": "4.0.1"
},
"eslintConfig": {
"extends": "eslint:recommended",
"env": {
"node": true,
"es6": true
}
},
"files": [
"index.js"
],
"homepage": "https://github.com/zeit/ms#readme",
"license": "MIT",
"lint-staged": {
"*.js": [
"npm run lint",
"prettier --single-quote --write",
"git add"
]
},
"main": "./index",
"name": "ms",
"repository": {
"type": "git",
"url": "git+https://github.com/zeit/ms.git"
},
"scripts": {
"lint": "eslint lib/* bin/*",
"precommit": "lint-staged",
"test": "mocha tests.js"
},
"version": "2.1.2"
}

View File

@@ -0,0 +1,60 @@
# ms
[![Build Status](https://travis-ci.org/zeit/ms.svg?branch=master)](https://travis-ci.org/zeit/ms)
[![Join the community on Spectrum](https://withspectrum.github.io/badge/badge.svg)](https://spectrum.chat/zeit)
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
ms('-3 days') // -259200000
ms('-1h') // -3600000
ms('-200') // -200
```
### Convert from Milliseconds
```js
ms(60000) // "1m"
ms(2 * 60000) // "2m"
ms(-3 * 60000) // "-3m"
ms(ms('10 hours')) // "10h"
```
### Time Format Written-Out
```js
ms(60000, { long: true }) // "1 minute"
ms(2 * 60000, { long: true }) // "2 minutes"
ms(-3 * 60000, { long: true }) // "-3 minutes"
ms(ms('10 hours'), { long: true }) // "10 hours"
```
## Features
- Works both in [Node.js](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 milliseconds is returned
## Related Packages
- [ms.macro](https://github.com/knpwrs/ms.macro) - Run `ms` as a macro at build-time.
## 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.js will now use your clone of ms!
As always, you can run the tests using: `npm test`

View File

@@ -0,0 +1,96 @@
{
"_from": "agentkeepalive@^4.1.3",
"_id": "agentkeepalive@4.2.1",
"_inBundle": false,
"_integrity": "sha512-Zn4cw2NEqd+9fiSVWMscnjyQ1a8Yfoc5oBajLeo5w+YBHgDUcEBY2hS4YpTz6iN5f/2zQiktcuM6tS8x1p9dpA==",
"_location": "/agentkeepalive",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "agentkeepalive@^4.1.3",
"name": "agentkeepalive",
"escapedName": "agentkeepalive",
"rawSpec": "^4.1.3",
"saveSpec": null,
"fetchSpec": "^4.1.3"
},
"_requiredBy": [
"/make-fetch-happen"
],
"_resolved": "https://registry.npmjs.org/agentkeepalive/-/agentkeepalive-4.2.1.tgz",
"_shasum": "a7975cbb9f83b367f06c90cc51ff28fe7d499717",
"_spec": "agentkeepalive@^4.1.3",
"_where": "D:\\rud\\kodtarak\\14d_frontend_2021\\chinook\\node_modules\\make-fetch-happen",
"author": {
"name": "fengmk2",
"email": "fengmk2@gmail.com",
"url": "https://fengmk2.com"
},
"browser": "browser.js",
"bugs": {
"url": "https://github.com/node-modules/agentkeepalive/issues"
},
"bundleDependencies": false,
"ci": {
"type": "github",
"os": {
"github": "linux"
},
"version": "8, 10, 12, 14, 16"
},
"dependencies": {
"debug": "^4.1.0",
"depd": "^1.1.2",
"humanize-ms": "^1.2.1"
},
"deprecated": false,
"description": "Missing keepalive http.Agent",
"devDependencies": {
"autod": "^3.0.1",
"coffee": "^5.3.0",
"cross-env": "^6.0.3",
"egg-bin": "^4.9.0",
"egg-ci": "^1.10.0",
"eslint": "^5.7.0",
"eslint-config-egg": "^7.1.0",
"mm": "^2.4.1",
"pedding": "^1.1.0",
"typescript": "^3.8.3"
},
"engines": {
"node": ">= 8.0.0"
},
"files": [
"index.js",
"index.d.ts",
"browser.js",
"lib"
],
"homepage": "https://github.com/node-modules/agentkeepalive#readme",
"keywords": [
"http",
"https",
"agent",
"keepalive",
"agentkeepalive",
"HttpAgent",
"HttpsAgent"
],
"license": "MIT",
"main": "index.js",
"name": "agentkeepalive",
"repository": {
"type": "git",
"url": "git://github.com/node-modules/agentkeepalive.git"
},
"scripts": {
"autod": "autod",
"ci": "npm run lint && npm run cov",
"cov": "cross-env DEBUG=agentkeepalive egg-bin cov --full-trace",
"lint": "eslint lib test index.js",
"test": "npm run lint && egg-bin test --full-trace",
"test-local": "egg-bin test --full-trace"
},
"version": "4.2.1"
}