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README.md
50
README.md
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@ -14,8 +14,6 @@ Written from scratch, with zero-dependencies.
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```bash
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npm install --save @root/request
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# or npm install git+ssh://git@git.therootcompany.com/request.js
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```
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```js
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@ -42,54 +40,6 @@ request('http://www.google.com')
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});
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```
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**Streaming**
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In order to keep this library lightweight, performant, and keep the code easy to
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read, the streaming behavior is **_slightly different_** from that of
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`request.js`.
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```js
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var request = require('@root/request');
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var resp = await request({
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url: 'http://www.google.com',
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stream: true
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});
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resp.on('data', function () {
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// got some data
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});
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resp.on('end', function () {
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// the data has ended
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});
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// resp.stream is a Promise that is resolved when the read stream is destroyed
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await resp.stream;
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console.log('Done');
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```
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The difference is that we don't add an extra layer of stream abstraction.
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You must use the response from await, a Promise, or the callback.
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You can also give a file path:
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```js
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request({
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url: 'http://www.google.com',
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stream: '/tmp/google-index.html'
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});
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```
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Which is equivalent to passing a write stream for the file:
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```js
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request({
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url: 'http://www.google.com',
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stream: fs.createWriteStream('/tmp/google-index.html')
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});
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```
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## Table of contents
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- [Forms](#forms)
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@ -5,9 +5,11 @@ var request = require('../');
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// will redirect to https://www.github.com and then https://github.com
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//request('http://www.github.com', function (error, response, body) {
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request(
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{ uri: { protocol: 'http:', hostname: 'www.github.com' } },
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function (error, response, body) {
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request({ uri: { protocol: 'http:', hostname: 'www.github.com' } }, function(
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error,
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response,
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body
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) {
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if (error) {
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console.log('error:', error); // Print the error if one occurred
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return;
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@ -15,5 +17,4 @@ request(
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console.log('statusCode:', response.statusCode); // The final statusCode
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console.log('Final href:', response.request.uri.href); // The final URI
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console.log('Body Length:', body.length); // body length
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}
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);
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});
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@ -4,9 +4,11 @@
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var request = require('../');
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// would normally redirect to https://www.github.com and then https://github.com
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request(
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{ uri: 'https://www.github.com', followRedirect: false },
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function (error, response, body) {
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request({ uri: 'https://www.github.com', followRedirect: false }, function(
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error,
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response,
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body
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) {
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if (error) {
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console.log('error:', error); // Print the error if one occurred
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return;
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@ -15,5 +17,4 @@ request(
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console.log('statusCode:', response.statusCode); // Should be 301 or 302
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console.log('Location:', response.headers.location); // The redirect
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console.log('Body:', body || JSON.stringify(body));
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}
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);
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});
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@ -1,27 +0,0 @@
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'use strict';
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var request = require('../');
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async function main() {
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var tpath = '/tmp/google-index.html';
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var resp = await request({
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url: 'https://google.com',
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encoding: null,
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stream: tpath
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});
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console.log('[Response Headers]');
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console.log(resp.toJSON().headers);
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//console.error(resp.headers, resp.body.byteLength);
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await resp.stream;
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console.log('[Response Body] written to', tpath);
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}
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main()
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.then(function () {
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console.log('Pass');
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})
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.catch(function (e) {
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console.error('Fail');
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console.error(e.stack);
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});
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@ -1,34 +0,0 @@
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'use strict';
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var request = require('../');
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async function main() {
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var tpath = '/tmp/google-index.html';
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var resp = await request({
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url: 'https://google.com',
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encoding: null,
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stream: true
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});
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console.log('[Response Headers]');
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console.log(resp.toJSON().headers);
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resp.on('data', function (chunk) {
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console.log('[Data]', chunk.byteLength);
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});
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resp.on('end', function (chunk) {
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console.log('[End]');
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});
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//console.error(resp.headers, resp.body.byteLength);
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await resp.stream;
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console.log('[Close]');
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}
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main()
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.then(function () {
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console.log('Pass');
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})
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.catch(function (e) {
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console.error('Fail');
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console.error(e.stack);
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});
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69
index.js
69
index.js
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@ -5,7 +5,6 @@ var https = require('https');
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var url = require('url');
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var os = require('os');
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var pkg = require('./package.json');
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var fs = require('fs'); // only for streams
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function debug() {
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if (module.exports.debug) {
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@ -141,68 +140,6 @@ function setDefaults(defs) {
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return urequestHelper(opts, cb);
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}
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}
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if (opts.stream) {
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// make the response await-able
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var resolve;
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var reject;
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resp.stream = new Promise(function (_resolve, _reject) {
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resolve = _resolve;
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reject = _reject;
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});
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// allow specifying a file
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if ('string' === typeof opts.stream) {
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try {
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if (opts.debug) {
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console.debug(
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'[@root/request] file write stream created'
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);
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}
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opts.stream = fs.createWriteStream(opts.stream);
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} catch (e) {
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cb(e);
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}
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}
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// or an existing write stream
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if ('function' === typeof opts.stream.pipe) {
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if (opts.debug) {
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console.debug('[@root/request] stream piped');
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}
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resp.pipe(opts.stream);
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}
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resp.on('error', function (e) {
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if (opts.debug) {
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console.debug("[@root/request] stream 'error'");
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console.error(e.stack);
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}
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resp.destroy();
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if ('function' === opts.stream.destroy) {
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opts.stream.destroy(e);
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}
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reject(e);
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});
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resp.on('end', function () {
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if (opts.debug) {
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console.debug("[@root/request] stream 'end'");
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}
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if ('function' === opts.stream.destroy) {
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opts.stream.end();
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// this will close the stream (i.e. sync to disk)
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opts.stream.destroy();
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}
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});
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resp.on('close', function () {
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if (opts.debug) {
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console.debug("[@root/request] stream 'close'");
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}
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resolve();
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});
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// and in all cases, return the stream
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cb(null, resp);
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return;
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}
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if (null === opts.encoding) {
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resp._body = [];
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} else {
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@ -237,9 +174,7 @@ function setDefaults(defs) {
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}
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debug('\n[urequest] resp.toJSON():');
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if (module.exports.debug) {
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debug(resp.toJSON());
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}
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if (opts.debug) {
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console.debug('[@root/request] Response Body:');
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console.debug(resp.body);
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@ -633,8 +568,7 @@ var _defaults = {
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followOriginalHttpMethod: false,
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maxRedirects: 10,
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removeRefererHeader: false,
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// encoding: undefined,
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// stream: false, // TODO allow a stream?
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//, encoding: undefined
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gzip: false
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//, body: undefined
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//, json: undefined
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@ -643,7 +577,6 @@ module.exports = setDefaults(_defaults);
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module.exports._keys = Object.keys(_defaults).concat([
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'encoding',
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'stream',
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'body',
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'json',
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'form',
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@ -1,5 +1,5 @@
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{
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"name": "@root/request",
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"version": "1.7.0",
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"version": "1.5.0",
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"lockfileVersion": 1
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}
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@ -1,6 +1,6 @@
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{
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"name": "@root/request",
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"version": "1.7.0",
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"version": "1.6.1",
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"description": "A lightweight, zero-dependency drop-in replacement for request",
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"main": "index.js",
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"files": [
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