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USAF-js-async-checkpoint
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Retrieves pokemon names and stores them in a file. Reads from the file and fetches what the type of the pokemon are.
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  1. 59
      fetch.js
  2. 266
      node_modules/node-fetch/CHANGELOG.md
  3. 22
      node_modules/node-fetch/LICENSE.md
  4. 583
      node_modules/node-fetch/README.md
  5. 23
      node_modules/node-fetch/browser.js
  6. 1633
      node_modules/node-fetch/lib/index.es.js
  7. 1642
      node_modules/node-fetch/lib/index.js
  8. 1631
      node_modules/node-fetch/lib/index.mjs
  9. 94
      node_modules/node-fetch/package.json
  10. 11
      package-lock.json

59
fetch.js
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const fetch = require('node-fetch');
const fs = require('fs');
var pokeData = []
var pokemonCount = 0
var pokeNames = "";
var getPokemonCount = (url) => {
return fetch(url).then(response => response.json())
.then(data => {
pokemonCount = data.count;
})
}
var getPokemon = (url) => {
return fetch(url).then(response => response.json())
.then(data => {
data.results.forEach(pokemon=>{pokeData.push(pokemon)})
})
}
var getPokemonData = (url) => {
return fetch(url).then(response => response.json())
.then(data => {
//console.log(data.types)
return data.types
})
}
//fs.open('pokemon.txt', 'w',(err)=>{if(err) console.log('error', err);});
var requests = getPokemonCount("https://pokeapi.co/api/v2/pokemon")
.then((result)=>{
return getPokemon("https://pokeapi.co/api/v2/pokemon?limit="+pokemonCount)
})
.then((result)=>{
var fileText = "";
pokeData.forEach(data=>{
fileText+=data.name+"\n";
//fs.open('pokemon.txt', 'w',(err)=>{if(err) console.log('error', err);});
})
fs.writeFileSync("pokemon.txt",fileText,(err)=>{if(err) console.log('error', err);});
var data = fs.readFileSync("pokemon.txt",(err)=>{if(err) console.log('error', err);})
data.toString().split("\n").forEach((name)=>{
getPokemonData("https://pokeapi.co/api/v2/pokemon/"+name).then((data)=>{
var typeString="";
data.forEach((type,count)=>{
if (count!==0) {
typeString+=", "
}
typeString+=type.type.name
})
console.log(name+": "+typeString)
})
})
})

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Changelog
=========
# 2.x release
## v2.6.0
- Enhance: `options.agent`, it now accepts a function that returns custom http(s).Agent instance based on current URL, see readme for more information.
- Fix: incorrect `Content-Length` was returned for stream body in 2.5.0 release; note that `node-fetch` doesn't calculate content length for stream body.
- Fix: `Response.url` should return empty string instead of `null` by default.
## v2.5.0
- Enhance: `Response` object now includes `redirected` property.
- Enhance: `fetch()` now accepts third-party `Blob` implementation as body.
- Other: disable `package-lock.json` generation as we never commit them.
- Other: dev dependency update.
- Other: readme update.
## v2.4.1
- Fix: `Blob` import rule for node < 10, as `Readable` isn't a named export.
## v2.4.0
- Enhance: added `Brotli` compression support (using node's zlib).
- Enhance: updated `Blob` implementation per spec.
- Fix: set content type automatically for `URLSearchParams`.
- Fix: `Headers` now reject empty header names.
- Fix: test cases, as node 12+ no longer accepts invalid header response.
## v2.3.0
- Enhance: added `AbortSignal` support, with README example.
- Enhance: handle invalid `Location` header during redirect by rejecting them explicitly with `FetchError`.
- Fix: update `browser.js` to support react-native environment, where `self` isn't available globally.
## v2.2.1
- Fix: `compress` flag shouldn't overwrite existing `Accept-Encoding` header.
- Fix: multiple `import` rules, where `PassThrough` etc. doesn't have a named export when using node <10 and `--exerimental-modules` flag.
- Other: Better README.
## v2.2.0
- Enhance: Support all `ArrayBuffer` view types
- Enhance: Support Web Workers
- Enhance: Support Node.js' `--experimental-modules` mode; deprecate `.es.js` file
- Fix: Add `__esModule` property to the exports object
- Other: Better example in README for writing response to a file
- Other: More tests for Agent
## v2.1.2
- Fix: allow `Body` methods to work on `ArrayBuffer`-backed `Body` objects
- Fix: reject promise returned by `Body` methods when the accumulated `Buffer` exceeds the maximum size
- Fix: support custom `Host` headers with any casing
- Fix: support importing `fetch()` from TypeScript in `browser.js`
- Fix: handle the redirect response body properly
## v2.1.1
Fix packaging errors in v2.1.0.
## v2.1.0
- Enhance: allow using ArrayBuffer as the `body` of a `fetch()` or `Request`
- Fix: store HTTP headers of a `Headers` object internally with the given case, for compatibility with older servers that incorrectly treated header names in a case-sensitive manner
- Fix: silently ignore invalid HTTP headers
- Fix: handle HTTP redirect responses without a `Location` header just like non-redirect responses
- Fix: include bodies when following a redirection when appropriate
## v2.0.0
This is a major release. Check [our upgrade guide](https://github.com/bitinn/node-fetch/blob/master/UPGRADE-GUIDE.md) for an overview on some key differences between v1 and v2.
### General changes
- Major: Node.js 0.10.x and 0.12.x support is dropped
- Major: `require('node-fetch/lib/response')` etc. is now unsupported; use `require('node-fetch').Response` or ES6 module imports
- Enhance: start testing on Node.js v4.x, v6.x, v8.x LTS, as well as v9.x stable
- Enhance: use Rollup to produce a distributed bundle (less memory overhead and faster startup)
- Enhance: make `Object.prototype.toString()` on Headers, Requests, and Responses return correct class strings
- Other: rewrite in ES2015 using Babel
- Other: use Codecov for code coverage tracking
- Other: update package.json script for npm 5
- Other: `encoding` module is now optional (alpha.7)
- Other: expose browser.js through package.json, avoid bundling mishaps (alpha.9)
- Other: allow TypeScript to `import` node-fetch by exposing default (alpha.9)
### HTTP requests
- Major: overwrite user's `Content-Length` if we can be sure our information is correct (per spec)
- Fix: errors in a response are caught before the body is accessed
- Fix: support WHATWG URL objects, created by `whatwg-url` package or `require('url').URL` in Node.js 7+
### Response and Request classes
- Major: `response.text()` no longer attempts to detect encoding, instead always opting for UTF-8 (per spec); use `response.textConverted()` for the v1 behavior
- Major: make `response.json()` throw error instead of returning an empty object on 204 no-content respose (per spec; reverts behavior changed in v1.6.2)
- Major: internal methods are no longer exposed
- Major: throw error when a `GET` or `HEAD` Request is constructed with a non-null body (per spec)
- Enhance: add `response.arrayBuffer()` (also applies to Requests)
- Enhance: add experimental `response.blob()` (also applies to Requests)
- Enhance: `URLSearchParams` is now accepted as a body
- Enhance: wrap `response.json()` json parsing error as `FetchError`
- Fix: fix Request and Response with `null` body
### Headers class
- Major: remove `headers.getAll()`; make `get()` return all headers delimited by commas (per spec)
- Enhance: make Headers iterable
- Enhance: make Headers constructor accept an array of tuples
- Enhance: make sure header names and values are valid in HTTP
- Fix: coerce Headers prototype function parameters to strings, where applicable
### Documentation
- Enhance: more comprehensive API docs
- Enhance: add a list of default headers in README
# 1.x release
## backport releases (v1.7.0 and beyond)
See [changelog on 1.x branch](https://github.com/bitinn/node-fetch/blob/1.x/CHANGELOG.md) for details.
## v1.6.3
- Enhance: error handling document to explain `FetchError` design
- Fix: support `form-data` 2.x releases (requires `form-data` >= 2.1.0)
## v1.6.2
- Enhance: minor document update
- Fix: response.json() returns empty object on 204 no-content response instead of throwing a syntax error
## v1.6.1
- Fix: if `res.body` is a non-stream non-formdata object, we will call `body.toString` and send it as a string
- Fix: `counter` value is incorrectly set to `follow` value when wrapping Request instance
- Fix: documentation update
## v1.6.0
- Enhance: added `res.buffer()` api for convenience, it returns body as a Node.js buffer
- Enhance: better old server support by handling raw deflate response
- Enhance: skip encoding detection for non-HTML/XML response
- Enhance: minor document update
- Fix: HEAD request doesn't need decompression, as body is empty
- Fix: `req.body` now accepts a Node.js buffer
## v1.5.3
- Fix: handle 204 and 304 responses when body is empty but content-encoding is gzip/deflate
- Fix: allow resolving response and cloned response in any order
- Fix: avoid setting `content-length` when `form-data` body use streams
- Fix: send DELETE request with content-length when body is present
- Fix: allow any url when calling new Request, but still reject non-http(s) url in fetch
## v1.5.2
- Fix: allow node.js core to handle keep-alive connection pool when passing a custom agent
## v1.5.1
- Fix: redirect mode `manual` should work even when there is no redirection or broken redirection
## v1.5.0
- Enhance: rejected promise now use custom `Error` (thx to @pekeler)
- Enhance: `FetchError` contains `err.type` and `err.code`, allows for better error handling (thx to @pekeler)
- Enhance: basic support for redirect mode `manual` and `error`, allows for location header extraction (thx to @jimmywarting for the initial PR)
## v1.4.1
- Fix: wrapping Request instance with FormData body again should preserve the body as-is
## v1.4.0
- Enhance: Request and Response now have `clone` method (thx to @kirill-konshin for the initial PR)
- Enhance: Request and Response now have proper string and buffer body support (thx to @kirill-konshin)
- Enhance: Body constructor has been refactored out (thx to @kirill-konshin)
- Enhance: Headers now has `forEach` method (thx to @tricoder42)
- Enhance: back to 100% code coverage
- Fix: better form-data support (thx to @item4)
- Fix: better character encoding detection under chunked encoding (thx to @dsuket for the initial PR)
## v1.3.3
- Fix: make sure `Content-Length` header is set when body is string for POST/PUT/PATCH requests
- Fix: handle body stream error, for cases such as incorrect `Content-Encoding` header
- Fix: when following certain redirects, use `GET` on subsequent request per Fetch Spec
- Fix: `Request` and `Response` constructors now parse headers input using `Headers`
## v1.3.2
- Enhance: allow auto detect of form-data input (no `FormData` spec on node.js, this is form-data specific feature)
## v1.3.1
- Enhance: allow custom host header to be set (server-side only feature, as it's a forbidden header on client-side)
## v1.3.0
- Enhance: now `fetch.Request` is exposed as well
## v1.2.1
- Enhance: `Headers` now normalized `Number` value to `String`, prevent common mistakes
## v1.2.0
- Enhance: now fetch.Headers and fetch.Response are exposed, making testing easier
## v1.1.2
- Fix: `Headers` should only support `String` and `Array` properties, and ignore others
## v1.1.1
- Enhance: now req.headers accept both plain object and `Headers` instance
## v1.1.0
- Enhance: timeout now also applies to response body (in case of slow response)
- Fix: timeout is now cleared properly when fetch is done/has failed
## v1.0.6
- Fix: less greedy content-type charset matching
## v1.0.5
- Fix: when `follow = 0`, fetch should not follow redirect
- Enhance: update tests for better coverage
- Enhance: code formatting
- Enhance: clean up doc
## v1.0.4
- Enhance: test iojs support
- Enhance: timeout attached to socket event only fire once per redirect
## v1.0.3
- Fix: response size limit should reject large chunk
- Enhance: added character encoding detection for xml, such as rss/atom feed (encoding in DTD)
## v1.0.2
- Fix: added res.ok per spec change
## v1.0.0
- Enhance: better test coverage and doc
# 0.x release
## v0.1
- Major: initial public release

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The MIT License (MIT)
Copyright (c) 2016 David Frank
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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node-fetch
==========
[![npm version][npm-image]][npm-url]
[![build status][travis-image]][travis-url]
[![coverage status][codecov-image]][codecov-url]
[![install size][install-size-image]][install-size-url]
A light-weight module that brings `window.fetch` to Node.js
(We are looking for [v2 maintainers and collaborators](https://github.com/bitinn/node-fetch/issues/567))
<!-- TOC -->
- [Motivation](#motivation)
- [Features](#features)
- [Difference from client-side fetch](#difference-from-client-side-fetch)
- [Installation](#installation)
- [Loading and configuring the module](#loading-and-configuring-the-module)
- [Common Usage](#common-usage)
- [Plain text or HTML](#plain-text-or-html)
- [JSON](#json)
- [Simple Post](#simple-post)
- [Post with JSON](#post-with-json)
- [Post with form parameters](#post-with-form-parameters)
- [Handling exceptions](#handling-exceptions)
- [Handling client and server errors](#handling-client-and-server-errors)
- [Advanced Usage](#advanced-usage)
- [Streams](#streams)
- [Buffer](#buffer)
- [Accessing Headers and other Meta data](#accessing-headers-and-other-meta-data)
- [Extract Set-Cookie Header](#extract-set-cookie-header)
- [Post data using a file stream](#post-data-using-a-file-stream)
- [Post with form-data (detect multipart)](#post-with-form-data-detect-multipart)
- [Request cancellation with AbortSignal](#request-cancellation-with-abortsignal)
- [API](#api)
- [fetch(url[, options])](#fetchurl-options)
- [Options](#options)
- [Class: Request](#class-request)
- [Class: Response](#class-response)
- [Class: Headers](#class-headers)
- [Interface: Body](#interface-body)
- [Class: FetchError](#class-fetcherror)
- [License](#license)
- [Acknowledgement](#acknowledgement)
<!-- /TOC -->
## Motivation
Instead of implementing `XMLHttpRequest` in Node.js to run browser-specific [Fetch polyfill](https://github.com/github/fetch), why not go from native `http` to `fetch` API directly? Hence `node-fetch`, minimal code for a `window.fetch` compatible API on Node.js runtime.
See Matt Andrews' [isomorphic-fetch](https://github.com/matthew-andrews/isomorphic-fetch) or Leonardo Quixada's [cross-fetch](https://github.com/lquixada/cross-fetch) for isomorphic usage (exports `node-fetch` for server-side, `whatwg-fetch` for client-side).
## Features
- Stay consistent with `window.fetch` API.
- Make conscious trade-off when following [WHATWG fetch spec][whatwg-fetch] and [stream spec](https://streams.spec.whatwg.org/) implementation details, document known differences.
- Use native promise, but allow substituting it with [insert your favorite promise library].
- Use native Node streams for body, on both request and response.
- Decode content encoding (gzip/deflate) properly, and convert string output (such as `res.text()` and `res.json()`) to UTF-8 automatically.
- Useful extensions such as timeout, redirect limit, response size limit, [explicit errors](ERROR-HANDLING.md) for troubleshooting.
## Difference from client-side fetch
- See [Known Differences](LIMITS.md) for details.
- If you happen to use a missing feature that `window.fetch` offers, feel free to open an issue.
- Pull requests are welcomed too!
## Installation
Current stable release (`2.x`)
```sh
$ npm install node-fetch --save
```
## Loading and configuring the module
We suggest you load the module via `require`, pending the stabalizing of es modules in node:
```js
const fetch = require('node-fetch');
```
If you are using a Promise library other than native, set it through fetch.Promise:
```js
const Bluebird = require('bluebird');
fetch.Promise = Bluebird;
```
## Common Usage
NOTE: The documentation below is up-to-date with `2.x` releases, [see `1.x` readme](https://github.com/bitinn/node-fetch/blob/1.x/README.md), [changelog](https://github.com/bitinn/node-fetch/blob/1.x/CHANGELOG.md) and [2.x upgrade guide](UPGRADE-GUIDE.md) for the differences.
#### Plain text or HTML
```js
fetch('https://github.com/')
.then(res => res.text())
.then(body => console.log(body));
```
#### JSON
```js
fetch('https://api.github.com/users/github')
.then(res => res.json())
.then(json => console.log(json));
```
#### Simple Post
```js
fetch('https://httpbin.org/post', { method: 'POST', body: 'a=1' })
.then(res => res.json()) // expecting a json response
.then(json => console.log(json));
```
#### Post with JSON
```js
const body = { a: 1 };
fetch('https://httpbin.org/post', {
method: 'post',
body: JSON.stringify(body),
headers: { 'Content-Type': 'application/json' },
})
.then(res => res.json())
.then(json => console.log(json));
```
#### Post with form parameters
`URLSearchParams` is available in Node.js as of v7.5.0. See [official documentation](https://nodejs.org/api/url.html#url_class_urlsearchparams) for more usage methods.
NOTE: The `Content-Type` header is only set automatically to `x-www-form-urlencoded` when an instance of `URLSearchParams` is given as such:
```js
const { URLSearchParams } = require('url');
const params = new URLSearchParams();
params.append('a', 1);
fetch('https://httpbin.org/post', { method: 'POST', body: params })
.then(res => res.json())
.then(json => console.log(json));
```
#### Handling exceptions
NOTE: 3xx-5xx responses are *NOT* exceptions, and should be handled in `then()`, see the next section.
Adding a catch to the fetch promise chain will catch *all* exceptions, such as errors originating from node core libraries, like network errors, and operational errors which are instances of FetchError. See the [error handling document](ERROR-HANDLING.md) for more details.
```js
fetch('https://domain.invalid/')
.catch(err => console.error(err));
```
#### Handling client and server errors
It is common to create a helper function to check that the response contains no client (4xx) or server (5xx) error responses:
```js
function checkStatus(res) {
if (res.ok) { // res.status >= 200 && res.status < 300
return res;
} else {
throw MyCustomError(res.statusText);
}
}
fetch('https://httpbin.org/status/400')
.then(checkStatus)
.then(res => console.log('will not get here...'))
```
## Advanced Usage
#### Streams
The "Node.js way" is to use streams when possible:
```js
fetch('https://assets-cdn.github.com/images/modules/logos_page/Octocat.png')
.then(res => {
const dest = fs.createWriteStream('./octocat.png');
res.body.pipe(dest);
});
```
#### Buffer
If you prefer to cache binary data in full, use buffer(). (NOTE: buffer() is a `node-fetch` only API)
```js
const fileType = require('file-type');
fetch('https://assets-cdn.github.com/images/modules/logos_page/Octocat.png')
.then(res => res.buffer())
.then(buffer => fileType(buffer))
.then(type => { /* ... */ });
```
#### Accessing Headers and other Meta data
```js
fetch('https://github.com/')
.then(res => {
console.log(res.ok);
console.log(res.status);
console.log(res.statusText);
console.log(res.headers.raw());
console.log(res.headers.get('content-type'));
});
```
#### Extract Set-Cookie Header
Unlike browsers, you can access raw `Set-Cookie` headers manually using `Headers.raw()`, this is a `node-fetch` only API.
```js
fetch(url).then(res => {
// returns an array of values, instead of a string of comma-separated values
console.log(res.headers.raw()['set-cookie']);
});
```
#### Post data using a file stream
```js
const { createReadStream } = require('fs');
const stream = createReadStream('input.txt');
fetch('https://httpbin.org/post', { method: 'POST', body: stream })
.then(res => res.json())
.then(json => console.log(json));
```
#### Post with form-data (detect multipart)
```js
const FormData = require('form-data');
const form = new FormData();
form.append('a', 1);
fetch('https://httpbin.org/post', { method: 'POST', body: form })
.then(res => res.json())
.then(json => console.log(json));
// OR, using custom headers
// NOTE: getHeaders() is non-standard API
const form = new FormData();
form.append('a', 1);
const options = {
method: 'POST',
body: form,
headers: form.getHeaders()
}
fetch('https://httpbin.org/post', options)
.then(res => res.json())
.then(json => console.log(json));
```
#### Request cancellation with AbortSignal
> NOTE: You may only cancel streamed requests on Node >= v8.0.0
You may cancel requests with `AbortController`. A suggested implementation is [`abort-controller`](https://www.npmjs.com/package/abort-controller).
An example of timing out a request after 150ms could be achieved as follows:
```js
import AbortController from 'abort-controller';
const controller = new AbortController();
const timeout = setTimeout(
() => { controller.abort(); },
150,
);
fetch(url, { signal: controller.signal })
.then(res => res.json())
.then(
data => {
useData(data)
},
err => {
if (err.name === 'AbortError') {
// request was aborted
}
},
)
.finally(() => {
clearTimeout(timeout);
});
```
See [test cases](https://github.com/bitinn/node-fetch/blob/master/test/test.js) for more examples.
## API
### fetch(url[, options])
- `url` A string representing the URL for fetching
- `options` [Options](#fetch-options) for the HTTP(S) request
- Returns: <code>Promise&lt;[Response](#class-response)&gt;</code>
Perform an HTTP(S) fetch.
`url` should be an absolute url, such as `https://example.com/`. A path-relative URL (`/file/under/root`) or protocol-relative URL (`//can-be-http-or-https.com/`) will result in a rejected promise.
<a id="fetch-options"></a>
### Options
The default values are shown after each option key.
```js
{
// These properties are part of the Fetch Standard
method: 'GET',
headers: {}, // request headers. format is the identical to that accepted by the Headers constructor (see below)
body: null, // request body. can be null, a string, a Buffer, a Blob, or a Node.js Readable stream
redirect: 'follow', // set to `manual` to extract redirect headers, `error` to reject redirect
signal: null, // pass an instance of AbortSignal to optionally abort requests
// The following properties are node-fetch extensions
follow: 20, // maximum redirect count. 0 to not follow redirect
timeout: 0, // req/res timeout in ms, it resets on redirect. 0 to disable (OS limit applies). Signal is recommended instead.
compress: true, // support gzip/deflate content encoding. false to disable
size: 0, // maximum response body size in bytes. 0 to disable
agent: null // http(s).Agent instance or function that returns an instance (see below)
}
```
##### Default Headers
If no values are set, the following request headers will be sent automatically:
Header | Value
------------------- | --------------------------------------------------------
`Accept-Encoding` | `gzip,deflate` _(when `options.compress === true`)_
`Accept` | `*/*`
`Connection` | `close` _(when no `options.agent` is present)_
`Content-Length` | _(automatically calculated, if possible)_
`Transfer-Encoding` | `chunked` _(when `req.body` is a stream)_
`User-Agent` | `node-fetch/1.0 (+https://github.com/bitinn/node-fetch)`
Note: when `body` is a `Stream`, `Content-Length` is not set automatically.
##### Custom Agent
The `agent` option allows you to specify networking related options that's out of the scope of Fetch. Including and not limit to:
- Support self-signed certificate
- Use only IPv4 or IPv6
- Custom DNS Lookup
See [`http.Agent`](https://nodejs.org/api/http.html#http_new_agent_options) for more information.
In addition, `agent` option accepts a function that returns http(s).Agent instance given current [URL](https://nodejs.org/api/url.html), this is useful during a redirection chain across HTTP and HTTPS protocol.
```js
const httpAgent = new http.Agent({
keepAlive: true
});
const httpsAgent = new https.Agent({
keepAlive: true
});
const options = {
agent: function (_parsedURL) {
if (_parsedURL.protocol == 'http:') {
return httpAgent;
} else {
return httpsAgent;
}
}
}
```
<a id="class-request"></a>
### Class: Request
An HTTP(S) request containing information about URL, method, headers, and the body. This class implements the [Body](#iface-body) interface.
Due to the nature of Node.js, the following properties are not implemented at this moment:
- `type`
- `destination`
- `referrer`
- `referrerPolicy`
- `mode`
- `credentials`
- `cache`
- `integrity`
- `keepalive`
The following node-fetch extension properties are provided:
- `follow`
- `compress`
- `counter`
- `agent`
See [options](#fetch-options) for exact meaning of these extensions.
#### new Request(input[, options])
<small>*(spec-compliant)*</small>
- `input` A string representing a URL, or another `Request` (which will be cloned)
- `options` [Options][#fetch-options] for the HTTP(S) request
Constructs a new `Request` object. The constructor is identical to that in the [browser](https://developer.mozilla.org/en-US/docs/Web/API/Request/Request).
In most cases, directly `fetch(url, options)` is simpler than creating a `Request` object.
<a id="class-response"></a>
### Class: Response
An HTTP(S) response. This class implements the [Body](#iface-body) interface.
The following properties are not implemented in node-fetch at this moment:
- `Response.error()`
- `Response.redirect()`
- `type`
- `trailer`
#### new Response([body[, options]])
<small>*(spec-compliant)*</small>
- `body` A string or [Readable stream][node-readable]
- `options` A [`ResponseInit`][response-init] options dictionary
Constructs a new `Response` object. The constructor is identical to that in the [browser](https://developer.mozilla.org/en-US/docs/Web/API/Response/Response).
Because Node.js does not implement service workers (for which this class was designed), one rarely has to construct a `Response` directly.
#### response.ok
<small>*(spec-compliant)*</small>
Convenience property representing if the request ended normally. Will evaluate to true if the response status was greater than or equal to 200 but smaller than 300.
#### response.redirected
<small>*(spec-compliant)*</small>
Convenience property representing if the request has been redirected at least once. Will evaluate to true if the internal redirect counter is greater than 0.
<a id="class-headers"></a>
### Class: Headers
This class allows manipulating and iterating over a set of HTTP headers. All methods specified in the [Fetch Standard][whatwg-fetch] are implemented.
#### new Headers([init])
<small>*(spec-compliant)*</small>
- `init` Optional argument to pre-fill the `Headers` object
Construct a new `Headers` object. `init` can be either `null`, a `Headers` object, an key-value map object, or any iterable object.
```js
// Example adapted from https://fetch.spec.whatwg.org/#example-headers-class
const meta = {
'Content-Type': 'text/xml',
'Breaking-Bad': '<3'
};
const headers = new Headers(meta);
// The above is equivalent to
const meta = [
[ 'Content-Type', 'text/xml' ],
[ 'Breaking-Bad', '<3' ]
];
const headers = new Headers(meta);
// You can in fact use any iterable objects, like a Map or even another Headers
const meta = new Map();
meta.set('Content-Type', 'text/xml');
meta.set('Breaking-Bad', '<3');
const headers = new Headers(meta);
const copyOfHeaders = new Headers(headers);
```
<a id="iface-body"></a>
### Interface: Body
`Body` is an abstract interface with methods that are applicable to both `Request` and `Response` classes.
The following methods are not yet implemented in node-fetch at this moment:
- `formData()`
#### body.body
<small>*(deviation from spec)*</small>
* Node.js [`Readable` stream][node-readable]
The data encapsulated in the `Body` object. Note that while the [Fetch Standard][whatwg-fetch] requires the property to always be a WHATWG `ReadableStream`, in node-fetch it is a Node.js [`Readable` stream][node-readable].
#### body.bodyUsed
<small>*(spec-compliant)*</small>
* `Boolean`
A boolean property for if this body has been consumed. Per spec, a consumed body cannot be used again.
#### body.arrayBuffer()
#### body.blob()
#### body.json()
#### body.text()
<small>*(spec-compliant)*</small>
* Returns: <code>Promise</code>
Consume the body and return a promise that will resolve to one of these formats.
#### body.buffer()
<small>*(node-fetch extension)*</small>
* Returns: <code>Promise&lt;Buffer&gt;</code>
Consume the body and return a promise that will resolve to a Buffer.
#### body.textConverted()
<small>*(node-fetch extension)*</small>
* Returns: <code>Promise&lt;String&gt;</code>
Identical to `body.text()`, except instead of always converting to UTF-8, encoding sniffing will be performed and text converted to UTF-8, if possible.
(This API requires an optional dependency on npm package [encoding](https://www.npmjs.com/package/encoding), which you need to install manually. `webpack` users may see [a warning message](https://github.com/bitinn/node-fetch/issues/412#issuecomment-379007792) due to this optional dependency.)
<a id="class-fetcherror"></a>
### Class: FetchError
<small>*(node-fetch extension)*</small>
An operational error in the fetching process. See [ERROR-HANDLING.md][] for more info.
<a id="class-aborterror"></a>
### Class: AbortError
<small>*(node-fetch extension)*</small>
An Error thrown when the request is aborted in response to an `AbortSignal`'s `abort` event. It has a `name` property of `AbortError`. See [ERROR-HANDLING.MD][] for more info.
## Acknowledgement
Thanks to [github/fetch](https://github.com/github/fetch) for providing a solid implementation reference.
`node-fetch` v1 was maintained by [@bitinn](https://github.com/bitinn); v2 was maintained by [@TimothyGu](https://github.com/timothygu), [@bitinn](https://github.com/bitinn) and [@jimmywarting](https://github.com/jimmywarting); v2 readme is written by [@jkantr](https://github.com/jkantr).
## License
MIT
[npm-image]: https://flat.badgen.net/npm/v/node-fetch
[npm-url]: https://www.npmjs.com/package/node-fetch
[travis-image]: https://flat.badgen.net/travis/bitinn/node-fetch
[travis-url]: https://travis-ci.org/bitinn/node-fetch
[codecov-image]: https://flat.badgen.net/codecov/c/github/bitinn/node-fetch/master
[codecov-url]: https://codecov.io/gh/bitinn/node-fetch
[install-size-image]: https://flat.badgen.net/packagephobia/install/node-fetch
[install-size-url]: https://packagephobia.now.sh/result?p=node-fetch
[whatwg-fetch]: https://fetch.spec.whatwg.org/
[response-init]: https://fetch.spec.whatwg.org/#responseinit
[node-readable]: https://nodejs.org/api/stream.html#stream_readable_streams
[mdn-headers]: https://developer.mozilla.org/en-US/docs/Web/API/Headers
[LIMITS.md]: https://github.com/bitinn/node-fetch/blob/master/LIMITS.md
[ERROR-HANDLING.md]: https://github.com/bitinn/node-fetch/blob/master/ERROR-HANDLING.md
[UPGRADE-GUIDE.md]: https://github.com/bitinn/node-fetch/blob/master/UPGRADE-GUIDE.md

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"use strict";
// ref: https://github.com/tc39/proposal-global
var getGlobal = function () {
// the only reliable means to get the global object is
// `Function('return this')()`
// However, this causes CSP violations in Chrome apps.
if (typeof self !== 'undefined') { return self; }
if (typeof window !== 'undefined') { return window; }
if (typeof global !== 'undefined') { return global; }
throw new Error('unable to locate global object');
}
var global = getGlobal();
module.exports = exports = global.fetch;
// Needed for TypeScript and Webpack.
exports.default = global.fetch.bind(global);
exports.Headers = global.Headers;
exports.Request = global.Request;
exports.Response = global.Response;

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{
"_from": "node-fetch",
"_id": "node-fetch@2.6.0",
"_inBundle": false,
"_integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==",
"_location": "/node-fetch",
"_phantomChildren": {},
"_requested": {
"type": "tag",
"registry": true,
"raw": "node-fetch",
"name": "node-fetch",
"escapedName": "node-fetch",
"rawSpec": "",
"saveSpec": null,
"fetchSpec": "latest"
},
"_requiredBy": [
"#USER",
"/"
],
"_resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
"_shasum": "e633456386d4aa55863f676a7ab0daa8fdecb0fd",
"_spec": "node-fetch",
"_where": "C:\\Users\\sigon\\OneDrive\\Documents\\Javascript\\USAF-js-async-checkpoint",
"author": {
"name": "David Frank"
},
"browser": "./browser.js",
"bugs": {
"url": "https://github.com/bitinn/node-fetch/issues"
},
"bundleDependencies": false,
"dependencies": {},
"deprecated": false,
"description": "A light-weight module that brings window.fetch to node.js",
"devDependencies": {
"@ungap/url-search-params": "^0.1.2",
"abort-controller": "^1.1.0",
"abortcontroller-polyfill": "^1.3.0",
"babel-core": "^6.26.3",
"babel-plugin-istanbul": "^4.1.6",
"babel-preset-env": "^1.6.1",
"babel-register": "^6.16.3",
"chai": "^3.5.0",
"chai-as-promised": "^7.1.1",
"chai-iterator": "^1.1.1",
"chai-string": "~1.3.0",
"codecov": "^3.3.0",
"cross-env": "^5.2.0",
"form-data": "^2.3.3",
"is-builtin-module": "^1.0.0",
"mocha": "^5.0.0",
"nyc": "11.9.0",
"parted": "^0.1.1",
"promise": "^8.0.3",
"resumer": "0.0.0",
"rollup": "^0.63.4",
"rollup-plugin-babel": "^3.0.7",
"string-to-arraybuffer": "^1.0.2",
"whatwg-url": "^5.0.0"
},
"engines": {
"node": "4.x || >=6.0.0"
},
"files": [
"lib/index.js",
"lib/index.mjs",
"lib/index.es.js",
"browser.js"
],
"homepage": "https://github.com/bitinn/node-fetch",
"keywords": [
"fetch",
"http",
"promise"
],
"license": "MIT",
"main": "lib/index",
"module": "lib/index.mjs",
"name": "node-fetch",
"repository": {
"type": "git",
"url": "git+https://github.com/bitinn/node-fetch.git"
},
"scripts": {
"build": "cross-env BABEL_ENV=rollup rollup -c",
"coverage": "cross-env BABEL_ENV=coverage nyc --reporter json --reporter text mocha -R spec test/test.js && codecov -f coverage/coverage-final.json",
"prepare": "npm run build",
"report": "cross-env BABEL_ENV=coverage nyc --reporter lcov --reporter text mocha -R spec test/test.js",
"test": "cross-env BABEL_ENV=test mocha --require babel-register --throw-deprecation test/test.js"
},
"version": "2.6.0"
}

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{
"requires": true,
"lockfileVersion": 1,
"dependencies": {
"node-fetch": {
"version": "2.6.0",
"resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
"integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA=="
}
}
}
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