启动vsplayer预览海康视频

default_config.js

@@ -6,8 +6,9 @@ module.exports = {
   public_path,
   upload_path,
   port: 8117,
+  VSPlayer: 'VSPlayer.exe',
   "mysql_config": {
-    "host": process.env.NODE_ENV === 'production' ? '127.0.0.1' : "192.168.0.108",
+    "host": process.env.NODE_ENV === 'production' ? '127.0.0.1' : "192.168.0.133",
     "user": "root",
     "password": "Leaper@123",
     "database": "lipo_duoji"

job/hk_video.js

@@ -0,0 +1,37 @@
+const tasklist = require('tasklist');
+const process = require('child_process');
+
+exports.viewVideo = async (req, res, next) => {
+    // const { VSPlayerPath, videoPath } = req.query;
+    const { openCmd } = req.query;
+    let VSPlayerList = await tasklist({
+        filter:[
+            `Imagename eq ${global.default_config.VSPlayer}`
+        ],
+        verbose: true,
+    });
+
+    // 关闭之前打开的所有视频
+    let closeCmd = '';
+    for(let task of VSPlayerList) {
+        closeCmd += `/pid ${task.pid} `;
+    }
+    closeCmd = `taskkill ${closeCmd} -t -f`;
+    if(VSPlayerList.length) {
+        await process.execSync(closeCmd);
+    }
+
+    // 打开视频
+    console.log(openCmd);
+    process.exec(openCmd, function(error, stdout, stderr) {
+        console.log("error:"+error);
+        console.log("stdout:"+stdout);
+        console.log("stderr:"+stderr);
+    });
+    res.json({
+        code: 200,
+        msg: '启动成功'
+    });
+    res.end();
+     // res.json({})
+}

node_modules/.bin/csv-parser

@@ -0,0 +1,15 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  "$basedir/node"  "$basedir/../csv-parser/bin/csv-parser" "$@"
+  ret=$?
+else 
+  node  "$basedir/../csv-parser/bin/csv-parser" "$@"
+  ret=$?
+fi
+exit $ret

node_modules/.bin/csv-parser.cmd

@@ -0,0 +1,7 @@
+@IF EXIST "%~dp0\node.exe" (
+  "%~dp0\node.exe"  "%~dp0\..\csv-parser\bin\csv-parser" %*
+) ELSE (
+  @SETLOCAL
+  @SET PATHEXT=%PATHEXT:;.JS;=;%
+  node  "%~dp0\..\csv-parser\bin\csv-parser" %*
+)

node_modules/csv-parser/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Mathias Buus
+
+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.

node_modules/csv-parser/README.md

@@ -0,0 +1,354 @@
+[tests]: 	http://img.shields.io/travis/mafintosh/csv-parser.svg
+[tests-url]: http://travis-ci.org/mafintosh/csv-parser
+
+[cover]: https://codecov.io/gh/mafintosh/csv-parser/branch/master/graph/badge.svg
+[cover-url]: https://codecov.io/gh/mafintosh/csv-parser
+
+[size]: https://packagephobia.now.sh/badge?p=csv-parser
+[size-url]: https://packagephobia.now.sh/result?p=csv-parser
+
+# csv-parser
+
+[![tests][tests]][tests-url]
+[![cover][cover]][cover-url]
+[![size][size]][size-url]
+
+Streaming CSV parser that aims for maximum speed as well as compatibility with
+the [csv-spectrum](https://npmjs.org/csv-spectrum) CSV acid test suite.
+
+`csv-parser` can convert CSV into JSON at at rate of around 90,000 rows per
+second. Performance varies with the data used; try `bin/bench.js <your file>`
+to benchmark your data.
+
+`csv-parser` can be used in the browser with [browserify](http://browserify.org/).
+
+[neat-csv](https://github.com/sindresorhus/neat-csv) can be used if a `Promise`
+based interface to `csv-parser` is needed.
+
+_Note: This module requires Node v8.16.0 or higher._
+
+## Benchmarks
+
+⚡️ `csv-parser` is greased-lightning fast
+
+```console
+→ npm run bench
+
+  Filename                 Rows Parsed  Duration
+  backtick.csv                       2     3.5ms
+  bad-data.csv                       3    0.55ms
+  basic.csv                          1    0.26ms
+  comma-in-quote.csv                 1    0.29ms
+  comment.csv                        2    0.40ms
+  empty-columns.csv                  1    0.40ms
+  escape-quotes.csv                  3    0.38ms
+  geojson.csv                        3    0.46ms
+  large-dataset.csv               7268      73ms
+  newlines.csv                       3    0.35ms
+  no-headers.csv                     3    0.26ms
+  option-comment.csv                 2    0.24ms
+  option-escape.csv                  3    0.25ms
+  option-maxRowBytes.csv          4577      39ms
+  option-newline.csv                 0    0.47ms
+  option-quote-escape.csv            3    0.33ms
+  option-quote-many.csv              3    0.38ms
+  option-quote.csv                   2    0.22ms
+  quotes+newlines.csv                3    0.20ms
+  strict.csv                         3    0.22ms
+  latin.csv                          2    0.38ms
+  mac-newlines.csv                   2    0.28ms
+  utf16-big.csv                      2    0.33ms
+  utf16.csv                          2    0.26ms
+  utf8.csv                           2    0.24ms
+```
+
+## Install
+
+Using npm:
+
+```console
+$ npm install csv-parser
+```
+
+Using yarn:
+
+```console
+$ yarn add csv-parser
+```
+
+## Usage
+
+To use the module, create a readable stream to a desired CSV file, instantiate
+`csv`, and pipe the stream to `csv`.
+
+Suppose you have a CSV file `data.csv` which contains the data:
+
+```
+NAME,AGE
+Daffy Duck,24
+Bugs Bunny,22
+```
+
+It could then be parsed, and results shown like so:
+
+``` js
+const csv = require('csv-parser')
+const fs = require('fs')
+const results = [];
+
+fs.createReadStream('data.csv')
+  .pipe(csv())
+  .on('data', (data) => results.push(data))
+  .on('end', () => {
+    console.log(results);
+    // [
+    //   { NAME: 'Daffy Duck', AGE: '24' },
+    //   { NAME: 'Bugs Bunny', AGE: '22' }
+    // ]
+  });
+```
+
+To specify options for `csv`, pass an object argument to the function. For
+example:
+
+```js
+csv({ separator: '\t' });
+```
+
+## API
+
+### csv([options | headers])
+
+Returns: `Array[Object]`
+
+#### options
+
+Type: `Object`
+
+As an alternative to passing an `options` object, you may pass an `Array[String]`
+which specifies the headers to use. For example:
+
+```js
+csv(['Name', 'Age']);
+```
+
+If you need to specify options _and_ headers, please use the the object notation
+with the `headers` property as shown below.
+
+#### escape
+
+Type: `String`<br>
+Default: `"`
+
+A single-character string used to specify the character used to escape strings
+in a CSV row.
+
+#### headers
+
+Type: `Array[String] | Boolean`
+
+Specifies the headers to use. Headers define the property key for each value in
+a CSV row. If no `headers` option is provided, `csv-parser` will use the first
+line in a CSV file as the header specification.
+
+If `false`, specifies that the first row in a data file does _not_ contain
+headers, and instructs the parser to use the column index as the key for each column.
+Using `headers: false` with the same `data.csv` example from above would yield:
+
+``` js
+[
+  { '0': 'Daffy Duck', '1': 24 },
+  { '0': 'Bugs Bunny', '1': 22 }
+]
+```
+
+_Note: If using the `headers` for an operation on a file which contains headers on the first line, specify `skipLines: 1` to skip over the row, or the headers row will appear as normal row data. Alternatively, use the `mapHeaders` option to manipulate existing headers in that scenario._
+
+#### mapHeaders
+
+Type: `Function`
+
+A function that can be used to modify the values of each header. Return a `String` to modify the header. Return `null` to remove the header, and it's column, from the results. 
+
+```js
+csv({
+  mapHeaders: ({ header, index }) => header.toLowerCase()
+})
+```
+
+##### Parameters
+
+**header** _String_ The current column header.<br/>
+**index** _Number_ The current column index.
+
+#### mapValues
+
+Type: `Function`
+
+A function that can be used to modify the content of each column. The return value will replace the current column content.
+
+```js
+csv({
+  mapValues: ({ header, index, value }) => value.toLowerCase()
+})
+```
+
+##### Parameters
+
+**header** _String_ The current column header.<br/>
+**index** _Number_ The current column index.<br/>
+**value** _String_ The current column value (or content).
+
+##### newline
+
+Type: `String`<br>
+Default: `\n`
+
+Specifies a single-character string to denote the end of a line in a CSV file.
+
+#### quote
+
+Type: `String`<br>
+Default: `"`
+
+Specifies a single-character string to denote a quoted string.
+
+#### raw
+
+Type: `Boolean`<br>
+
+If `true`, instructs the parser not to decode UTF-8 strings.
+
+#### separator
+
+Type: `String`<br>
+Default: `,`
+
+Specifies a single-character string to use as the column separator for each row.
+
+#### skipComments
+
+Type: `Boolean | String`<br>
+Default: `false`
+
+Instructs the parser to ignore lines which represent comments in a CSV file. Since there is no specification that dictates what a CSV comment looks like, comments should be considered non-standard. The "most common" character used to signify a comment in a CSV file is `"#"`. If this option is set to `true`, lines which begin with `#` will be skipped. If a custom character is needed to denote a commented line, this option may be set to a string which represents the leading character(s) signifying a comment line.
+
+#### skipLines
+
+Type: `Number`<br>
+Default: `0`
+
+Specifies the number of lines at the beginning of a data file that the parser should
+skip over, prior to parsing headers.
+
+#### maxRowBytes
+
+Type: `Number`<br>
+Default: `Number.MAX_SAFE_INTEGER`
+
+Maximum number of bytes per row. An error is thrown if a line exeeds this value. The default value is on 8 peta byte.
+
+#### strict
+
+Type: `Boolean`<br>
+
+If `true`, instructs the parser that the number of columns in each row must match
+the number of `headers` specified.
+
+## Events
+
+The following events are emitted during parsing:
+
+### `data`
+
+Emitted for each row of data parsed with the notable exception of the header
+row. Please see [Usage](#Usage) for an example.
+
+### `headers`
+
+Emitted after the header row is parsed. The first parameter of the event
+callback is an `Array[String]` containing the header names.
+
+```js
+fs.createReadStream('data.csv')
+  .pipe(csv())
+  .on('headers', (headers) => {
+    console.log(`First header: ${headers[0]}`)
+  })
+```
+
+### Readable Stream Events
+
+Events available on Node built-in
+[Readable Streams](https://nodejs.org/api/stream.html#stream_class_stream_readable)
+are also emitted. The `end` event should be used to detect the end of parsing.
+
+## CLI
+
+This module also provides a CLI which will convert CSV to
+[newline-delimited](http://ndjson.org/) JSON. The following CLI flags can be
+used to control how input is parsed:
+
+```
+Usage: csv-parser [filename?] [options]
+
+  --escape,-e         Set the escape character (defaults to quote value)
+  --headers,-h        Explicitly specify csv headers as a comma separated list
+  --help              Show this help
+  --output,-o         Set output file. Defaults to stdout
+  --quote,-q          Set the quote character ('"' by default)
+  --remove            Remove columns from output by header name
+  --separator,-s      Set the separator character ("," by default)
+  --skipComments,-c   Skip CSV comments that begin with '#'. Set a value to change the comment character.
+  --skipLines,-l      Set the number of lines to skip to before parsing headers
+  --strict            Require column length match headers length
+  --version,-v        Print out the installed version
+```
+
+For example; to parse a TSV file:
+
+```
+cat data.tsv | csv-parser -s $'\t'
+```
+
+## Encoding
+
+Users may encounter issues with the encoding of a CSV file. Transcoding the
+source stream can be done neatly with a modules such as:
+- [`iconv-lite`](https://www.npmjs.com/package/iconv-lite)
+- [`iconv`](https://www.npmjs.com/package/iconv)
+
+Or native [`iconv`](http://man7.org/linux/man-pages/man1/iconv.1.html) if part
+of a pipeline.
+
+## Byte Order Marks
+
+Some CSV files may be generated with, or contain a leading [Byte Order Mark](https://en.wikipedia.org/wiki/Byte_order_mark#UTF-8). This may cause issues parsing headers and/or data from your file. From Wikipedia:
+
+>The Unicode Standard permits the BOM in UTF-8, but does not require nor recommend its use. Byte order has no meaning in UTF-8.
+
+To use this module with a file containing a BOM, please use a module like [strip-bom-stream](https://github.com/sindresorhus/strip-bom-stream) in your pipeline:
+
+```js
+const fs = require('fs');
+
+const csv = require('csv-parser');
+const stripBom = require('strip-bom-stream');
+
+fs.createReadStream('data.csv')
+  .pipe(stripBom())
+  .pipe(csv())
+  ...
+```
+
+When using the CLI, the BOM can be removed by first running:
+
+```console
+$ sed $'s/\xEF\xBB\xBF//g' data.csv
+```
+
+## Meta
+
+[CONTRIBUTING](./.github/CONTRIBUTING)
+
+[LICENSE (MIT)](./LICENSE)

node_modules/csv-parser/bin/csv-parser

@@ -0,0 +1,91 @@
+#!/usr/bin/env node
+
+const { EOL } = require('os')
+const minimist = require('minimist')
+const through = require('through2')
+const fs = require('fs')
+const csv = require('../')
+const pkg = require('../package.json')
+
+const argv = minimist(process.argv, {
+  alias: {
+    c: 'skipComments',
+    e: 'escape',
+    h: 'headers',
+    o: 'output',
+    q: 'quote',
+    l: 'skipLines',
+    s: 'separator',
+    v: 'version'
+  },
+  default: {
+    e: '"',
+    q: '"',
+    s: ','
+  },
+  boolean: ['version', 'help']
+})
+
+const [,, filename] = argv._
+
+if (argv.version) {
+  console.log(pkg.version)
+  process.exit(0)
+}
+
+if (argv.help || (process.stdin.isTTY && !filename)) {
+  console.error(`Usage: csv-parser [filename?] [options]
+  --escape,-e         Set the escape character (defaults to quote value)
+  --headers,-h        Explicitly specify csv headers as a comma separated list
+  --help              Show this help
+  --output,-o         Set output file. Defaults to stdout
+  --quote,-q          Set the quote character ('"' by default)
+  --remove            Remove headers from output
+  --separator,-s      Set the separator character ("," by default)
+  --skipComments,-c   Skip CSV comments that begin with '#'. Set a value to change the comment character.
+  --skipLines,-l      Set the number of lines to skip to before parsing headers
+  --strict            Require column length match headers length
+  --version,-v        Print out the installed version
+`)
+  process.exit(1)
+}
+
+let input
+const output = (argv.output && argv.output !== '-') ? fs.createWriteStream(argv.output) : process.stdout
+const options = {
+  separator: argv.separator,
+  strict: argv.strict,
+  skipComments: argv.skipComments,
+  skipLines: argv.skipLines
+}
+
+if (argv.headers) {
+  options.headers = argv.headers.toString().split(argv.separator)
+}
+
+if (argv.remove) {
+  const removeHeaders = argv.remove.split(',')
+  options.mapHeaders = (name, i) => {
+    return removeHeaders.indexOf(name) === -1 ? name : null
+  }
+}
+
+if (filename === '-' || !filename) {
+  input = process.stdin
+} else if (fs.existsSync(filename)) {
+  input = fs.createReadStream(filename)
+} else {
+  console.error(`File: ${filename} does not exist`)
+  process.exit(2)
+}
+
+const serialize = () => {
+  return through.obj((obj, enc, cb) => {
+    cb(null, JSON.stringify(obj) + EOL)
+  })
+}
+
+input
+  .pipe(csv(options))
+  .pipe(serialize())
+  .pipe(output)

node_modules/csv-parser/index.d.ts

@@ -0,0 +1,146 @@
+/// <reference types="node"/>
+import { Transform } from 'stream';
+
+declare namespace csvParser {
+  type CsvParser = Transform;
+
+  interface Options {
+    /**
+     * A single-character string used to specify the character used to escape strings in a CSV row.
+     *
+     * @default '"'
+     */
+    readonly escape?: string;
+
+    /**
+     * Specifies the headers to use. Headers define the property key for each value in a CSV row. If no `headers` option is provided, `csv-parser` will use the first line in a CSV file as the header specification.
+     *
+     * If `false`, specifies that the first row in a data file does _not_ contain headers, and instructs the parser to use the row index as the key for each row.
+     *
+     * Suppose you have a CSV file `data.csv` which contains the data:
+     *
+     * ```
+NAME,AGE
+Daffy Duck,24
+Bugs Bunny,22
+```
+     * Using `headers: false` with the data from `data.csv` would yield:
+     * ```
+[
+  { '0': 'Daffy Duck', '1': 24 },
+  { '0': 'Bugs Bunny', '1': 22 }
+]
+```
+     */
+    readonly headers?: ReadonlyArray<string> | boolean;
+
+    /**
+     * A function that can be used to modify the values of each header. Return `null` to remove the header, and it's column, from the results.
+     *
+     * @example
+     *
+     * csv({
+     *   mapHeaders: ({ header, index }) => header.toLowerCase()
+     * });
+     */
+    readonly mapHeaders?: (args: { header: string; index: number }) => string | null;
+
+    /**
+     * A function that can be used to modify the value of each column value.
+     *
+     * @example
+     *
+     * csv({
+     *   mapValues: ({ header, index, value }) => value.toLowerCase()
+     * });
+     */
+    readonly mapValues?: (args: { header: string; index: number; value: any }) => any;
+
+    /**
+     * Specifies a single-character string to denote the end of a line in a CSV file.
+     *
+     * @default '\n'
+     */
+    readonly newline?: string;
+
+    /**
+     * Specifies a single-character string to denote a quoted string.
+     *
+     * @default '"'
+     */
+    readonly quote?: string;
+
+    /**
+     * If `true`, instructs the parser not to decode UTF-8 strings.
+     */
+    readonly raw?: boolean;
+
+    /**
+     * Specifies a single-character string to use as the column separator for each row.
+     *
+     * @default ','
+     */
+    readonly separator?: string;
+
+    /**
+     * Instructs the parser to ignore lines which represent comments in a CSV file. Since there is no specification that dictates what a CSV comment looks like, comments should be considered non-standard. The "most common" character used to signify a comment in a CSV file is `"#"`. If this option is set to `true`, lines which begin with `#` will be skipped. If a custom character is needed to denote a commented line, this option may be set to a string which represents the leading character(s) signifying a comment line.
+     *
+     * @default false
+     */
+    readonly skipComments?: boolean | string;
+
+    /**
+     * Specifies the number of lines at the beginning of a data file that the parser should skip over, prior to parsing headers.
+     *
+     * @default 0
+     */
+    readonly skipLines?: number;
+
+    /**
+     * Maximum number of bytes per row. An error is thrown if a line exeeds this value. The default value is on 8 peta byte.
+     *
+     * @default Number.MAX_SAFE_INTEGER
+     */
+    readonly maxRowBytes?: number;
+
+    /**
+     * If `true`, instructs the parser that the number of columns in each row must match the number of `headers` specified.
+     */
+    readonly strict?: boolean;
+  }
+}
+
+/**
+ * Streaming CSV parser that aims for maximum speed as well as compatibility with the [csv-spectrum](https://npmjs.org/csv-spectrum) CSV acid test suite.
+ *
+ * @param optionsOrHeaders - As an alternative to passing an `options` object, you may pass an `Array[String]` which specifies the headers to use. If you need to specify options _and_ headers, please use the the object notation with the `headers` property.
+ *
+ * @example
+ *
+ * // data.csv:
+ * //
+ * // NAME,AGE
+ * // Daffy Duck,24
+ * // Bugs Bunny,22
+ *
+ * import csv = require('csv-parser');
+ * import * as fs from 'fs';
+ *
+ * const results = [];
+ *
+ * fs.createReadStream('data.csv')
+ *   .pipe(csv())
+ *   .on('data', (data) => results.push(data))
+ *   .on('end', () => {
+ *     console.log(results);
+ *     // [
+ *     //   { NAME: 'Daffy Duck', AGE: '24' },
+ *     //   { NAME: 'Bugs Bunny', AGE: '22' }
+ *     // ]
+ *   });
+ */
+declare const csvParser: (
+  optionsOrHeaders?: csvParser.Options | ReadonlyArray<string>
+) => csvParser.CsvParser;
+
+export = csvParser;

node_modules/csv-parser/index.js

@@ -0,0 +1,274 @@
+const { Transform } = require('stream')
+
+const [cr] = Buffer.from('\r')
+const [nl] = Buffer.from('\n')
+const defaults = {
+  escape: '"',
+  headers: null,
+  mapHeaders: ({ header }) => header,
+  mapValues: ({ value }) => value,
+  newline: '\n',
+  quote: '"',
+  raw: false,
+  separator: ',',
+  skipComments: false,
+  skipLines: null,
+  maxRowBytes: Number.MAX_SAFE_INTEGER,
+  strict: false
+}
+
+class CsvParser extends Transform {
+  constructor (opts = {}) {
+    super({ objectMode: true, highWaterMark: 16 })
+
+    if (Array.isArray(opts)) opts = { headers: opts }
+
+    const options = Object.assign({}, defaults, opts)
+
+    options.customNewline = options.newline !== defaults.newline
+
+    for (const key of ['newline', 'quote', 'separator']) {
+      if (typeof options[key] !== 'undefined') {
+        ([options[key]] = Buffer.from(options[key]))
+      }
+    }
+
+    // if escape is not defined on the passed options, use the end value of quote
+    options.escape = (opts || {}).escape ? Buffer.from(options.escape)[0] : options.quote
+
+    this.state = {
+      empty: options.raw ? Buffer.alloc(0) : '',
+      escaped: false,
+      first: true,
+      lineNumber: 0,
+      previousEnd: 0,
+      rowLength: 0,
+      quoted: false
+    }
+
+    this._prev = null
+
+    if (options.headers === false) {
+      // enforce, as the column length check will fail if headers:false
+      options.strict = false
+    }
+
+    if (options.headers || options.headers === false) {
+      this.state.first = false
+    }
+
+    this.options = options
+    this.headers = options.headers
+  }
+
+  parseCell (buffer, start, end) {
+    const { escape, quote } = this.options
+    // remove quotes from quoted cells
+    if (buffer[start] === quote && buffer[end - 1] === quote) {
+      start++
+      end--
+    }
+
+    let y = start
+
+    for (let i = start; i < end; i++) {
+      // check for escape characters and skip them
+      if (buffer[i] === escape && i + 1 < end && buffer[i + 1] === quote) {
+        i++
+      }
+
+      if (y !== i) {
+        buffer[y] = buffer[i]
+      }
+      y++
+    }
+
+    return this.parseValue(buffer, start, y)
+  }
+
+  parseLine (buffer, start, end) {
+    const { customNewline, escape, mapHeaders, mapValues, quote, separator, skipComments, skipLines } = this.options
+
+    end-- // trim newline
+    if (!customNewline && buffer.length && buffer[end - 1] === cr) {
+      end--
+    }
+
+    const comma = separator
+    const cells = []
+    let isQuoted = false
+    let offset = start
+
+    if (skipComments) {
+      const char = typeof skipComments === 'string' ? skipComments : '#'
+      if (buffer[start] === Buffer.from(char)[0]) {
+        return
+      }
+    }
+
+    const mapValue = (value) => {
+      if (this.state.first) {
+        return value
+      }
+
+      const index = cells.length
+      const header = this.headers[index]
+
+      return mapValues({ header, index, value })
+    }
+
+    for (let i = start; i < end; i++) {
+      const isStartingQuote = !isQuoted && buffer[i] === quote
+      const isEndingQuote = isQuoted && buffer[i] === quote && i + 1 <= end && buffer[i + 1] === comma
+      const isEscape = isQuoted && buffer[i] === escape && i + 1 < end && buffer[i + 1] === quote
+
+      if (isStartingQuote || isEndingQuote) {
+        isQuoted = !isQuoted
+        continue
+      } else if (isEscape) {
+        i++
+        continue
+      }
+
+      if (buffer[i] === comma && !isQuoted) {
+        let value = this.parseCell(buffer, offset, i)
+        value = mapValue(value)
+        cells.push(value)
+        offset = i + 1
+      }
+    }
+
+    if (offset < end) {
+      let value = this.parseCell(buffer, offset, end)
+      value = mapValue(value)
+      cells.push(value)
+    }
+
+    if (buffer[end - 1] === comma) {
+      cells.push(mapValue(this.state.empty))
+    }
+
+    const skip = skipLines && skipLines > this.state.lineNumber
+    this.state.lineNumber++
+
+    if (this.state.first && !skip) {
+      this.state.first = false
+      this.headers = cells.map((header, index) => mapHeaders({ header, index }))
+
+      this.emit('headers', this.headers)
+      return
+    }
+
+    if (!skip && this.options.strict && cells.length !== this.headers.length) {
+      const e = new RangeError('Row length does not match headers')
+      this.emit('error', e)
+    } else {
+      if (!skip) this.writeRow(cells)
+    }
+  }
+
+  parseValue (buffer, start, end) {
+    if (this.options.raw) {
+      return buffer.slice(start, end)
+    }
+
+    return buffer.toString('utf-8', start, end)
+  }
+
+  writeRow (cells) {
+    if (this.headers === false || cells.length > this.headers.length) {
+      this.headers = cells.map((value, index) => index)
+    }
+
+    const row = cells.reduce((o, cell, index) => {
+      const header = this.headers[index]
+      if (header !== null) {
+        o[header] = cell
+      }
+      return o
+    }, {})
+
+    this.push(row)
+  }
+
+  _flush (cb) {
+    if (this.state.escaped || !this._prev) return cb()
+    this.parseLine(this._prev, this.state.previousEnd, this._prev.length + 1) // plus since online -1s
+    cb()
+  }
+
+  _transform (data, enc, cb) {
+    if (typeof data === 'string') {
+      data = Buffer.from(data)
+    }
+
+    const { escape, quote } = this.options
+    let start = 0
+    let buffer = data
+
+    if (this._prev) {
+      start = this._prev.length
+      buffer = Buffer.concat([this._prev, data])
+      this._prev = null
+    }
+
+    const bufferLength = buffer.length
+
+    for (let i = start; i < bufferLength; i++) {
+      const chr = buffer[i]
+      const nextChr = i + 1 < bufferLength ? buffer[i + 1] : null
+
+      this.state.rowLength++
+      if (this.state.rowLength > this.options.maxRowBytes) {
+        return cb(new Error('Row exceeds the maximum size'))
+      }
+
+      if (!this.state.escaped && chr === escape && nextChr === quote && i !== start) {
+        this.state.escaped = true
+        continue
+      } else if (chr === quote) {
+        if (this.state.escaped) {
+          this.state.escaped = false
+          // non-escaped quote (quoting the cell)
+        } else {
+          this.state.quoted = !this.state.quoted
+        }
+        continue
+      }
+
+      if (!this.state.quoted) {
+        if (this.state.first && !this.options.customNewline) {
+          if (chr === nl) {
+            this.options.newline = nl
+          } else if (chr === cr) {
+            if (nextChr !== nl) {
+              this.options.newline = cr
+            }
+          }
+        }
+
+        if (chr === this.options.newline) {
+          this.parseLine(buffer, this.state.previousEnd, i + 1)
+          this.state.previousEnd = i + 1
+          this.state.rowLength = 0
+        }
+      }
+    }
+
+    if (this.state.previousEnd === bufferLength) {
+      this.state.previousEnd = 0
+      return cb()
+    }
+
+    if (bufferLength - this.state.previousEnd < data.length) {
+      this._prev = data
+      this.state.previousEnd -= (bufferLength - data.length)
+      return cb()
+    }
+
+    this._prev = buffer
+    cb()
+  }
+}
+
+module.exports = (opts) => new CsvParser(opts)

node_modules/csv-parser/package.json

@@ -0,0 +1,128 @@
+{
+  "_from": "csv-parser@^2.3.2",
+  "_id": "csv-parser@2.3.5",
+  "_inBundle": false,
+  "_integrity": "sha512-LCHolC4AlNwL+5EuD5LH2VVNKpD8QixZW2zzK1XmrVYUaslFY4c5BooERHOCIubG9iv/DAyFjs4x0HvWNZuyWg==",
+  "_location": "/csv-parser",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "csv-parser@^2.3.2",
+    "name": "csv-parser",
+    "escapedName": "csv-parser",
+    "rawSpec": "^2.3.2",
+    "saveSpec": null,
+    "fetchSpec": "^2.3.2"
+  },
+  "_requiredBy": [
+    "/neat-csv"
+  ],
+  "_resolved": "https://registry.npmjs.org/csv-parser/-/csv-parser-2.3.5.tgz",
+  "_shasum": "6b3bf0907684914ff2c5abfbadab111a69eae5db",
+  "_spec": "csv-parser@^2.3.2",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\neat-csv",
+  "author": {
+    "name": "mafintosh"
+  },
+  "ava": {
+    "files": [
+      "!**/fixtures/**",
+      "!**/helpers/**"
+    ]
+  },
+  "bin": {
+    "csv-parser": "bin/csv-parser"
+  },
+  "bugs": {
+    "url": "https://github.com/mafintosh/csv-parser/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "minimist": "^1.2.0",
+    "through2": "^3.0.1"
+  },
+  "deprecated": false,
+  "description": "Streaming CSV parser that aims for maximum speed as well as compatibility with the csv-spectrum test suite",
+  "devDependencies": {
+    "@commitlint/cli": "^8.2.0",
+    "@commitlint/config-conventional": "^8.0.0",
+    "@types/node": "^12.0.0",
+    "ava": "^2.4.0",
+    "bops": "^1.0.0",
+    "chalk": "^2.4.2",
+    "concat-stream": "^2.0.0",
+    "csv-spectrum": "^1.0.0",
+    "eslint": "^6.4.0",
+    "eslint-config-standard": "^14.1.0",
+    "eslint-plugin-import": "^2.18.2",
+    "eslint-plugin-node": "^10.0.0",
+    "eslint-plugin-promise": "^4.1.1",
+    "eslint-plugin-standard": "^4.0.0",
+    "execa": "^2.1.0",
+    "globby": "^10.0.1",
+    "husky": "^3.0.0",
+    "lint-staged": "^9.0.2",
+    "loud-rejection": "^2.1.0",
+    "nyc": "^14.1.1",
+    "pre-commit": "^1.2.2",
+    "strip-ansi": "^5.2.0",
+    "text-table": "^0.2.0",
+    "time-span": "^3.1.0",
+    "tsd": "^0.8.0"
+  },
+  "directories": {
+    "example": "examples",
+    "test": "test"
+  },
+  "engines": {
+    "node": ">= 8.16.0"
+  },
+  "files": [
+    "bin/csv-parser",
+    "index.js",
+    "index.d.ts"
+  ],
+  "homepage": "https://github.com/mafintosh/csv-parser",
+  "husky": {
+    "hooks": {
+      "commit-msg": "commitlint -e $HUSKY_GIT_PARAMS"
+    }
+  },
+  "keywords": [
+    "csv",
+    "parser",
+    "fast",
+    "json"
+  ],
+  "license": "MIT",
+  "lint-staged": {
+    "*.js": [
+      "eslint --fix",
+      "git add"
+    ]
+  },
+  "main": "index.js",
+  "maintainers": [
+    {
+      "name": "Andrew Powell",
+      "email": "andrew@shellscape.org"
+    }
+  ],
+  "name": "csv-parser",
+  "pre-commit": "lint-staged",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/mafintosh/csv-parser.git"
+  },
+  "scripts": {
+    "bench": "bin/bench",
+    "commitlint": "commitlint",
+    "coverage": "nyc npm run test && nyc report --reporter=text-lcov > coverage.lcov",
+    "lint": "eslint .",
+    "lint-staged": "lint-staged",
+    "security": "npm audit",
+    "test": "ava && tsd"
+  },
+  "version": "2.3.5"
+}

node_modules/end-of-stream/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Mathias Buus
+
+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.

node_modules/end-of-stream/README.md

@@ -0,0 +1,54 @@
+# end-of-stream
+
+A node module that calls a callback when a readable/writable/duplex stream has completed or failed.
+
+	npm install end-of-stream
+
+[![Build status](https://travis-ci.org/mafintosh/end-of-stream.svg?branch=master)](https://travis-ci.org/mafintosh/end-of-stream)
+
+## Usage
+
+Simply pass a stream and a callback to the `eos`.
+Both legacy streams, streams2 and stream3 are supported.
+
+``` js
+var eos = require('end-of-stream');
+
+eos(readableStream, function(err) {
+  // this will be set to the stream instance
+	if (err) return console.log('stream had an error or closed early');
+	console.log('stream has ended', this === readableStream);
+});
+
+eos(writableStream, function(err) {
+	if (err) return console.log('stream had an error or closed early');
+	console.log('stream has finished', this === writableStream);
+});
+
+eos(duplexStream, function(err) {
+	if (err) return console.log('stream had an error or closed early');
+	console.log('stream has ended and finished', this === duplexStream);
+});
+
+eos(duplexStream, {readable:false}, function(err) {
+	if (err) return console.log('stream had an error or closed early');
+	console.log('stream has finished but might still be readable');
+});
+
+eos(duplexStream, {writable:false}, function(err) {
+	if (err) return console.log('stream had an error or closed early');
+	console.log('stream has ended but might still be writable');
+});
+
+eos(readableStream, {error:false}, function(err) {
+	// do not treat emit('error', err) as a end-of-stream
+});
+```
+
+## License
+
+MIT
+
+## Related
+
+`end-of-stream` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.

node_modules/end-of-stream/index.js

@@ -0,0 +1,94 @@
+var once = require('once');
+
+var noop = function() {};
+
+var isRequest = function(stream) {
+	return stream.setHeader && typeof stream.abort === 'function';
+};
+
+var isChildProcess = function(stream) {
+	return stream.stdio && Array.isArray(stream.stdio) && stream.stdio.length === 3
+};
+
+var eos = function(stream, opts, callback) {
+	if (typeof opts === 'function') return eos(stream, null, opts);
+	if (!opts) opts = {};
+
+	callback = once(callback || noop);
+
+	var ws = stream._writableState;
+	var rs = stream._readableState;
+	var readable = opts.readable || (opts.readable !== false && stream.readable);
+	var writable = opts.writable || (opts.writable !== false && stream.writable);
+	var cancelled = false;
+
+	var onlegacyfinish = function() {
+		if (!stream.writable) onfinish();
+	};
+
+	var onfinish = function() {
+		writable = false;
+		if (!readable) callback.call(stream);
+	};
+
+	var onend = function() {
+		readable = false;
+		if (!writable) callback.call(stream);
+	};
+
+	var onexit = function(exitCode) {
+		callback.call(stream, exitCode ? new Error('exited with error code: ' + exitCode) : null);
+	};
+
+	var onerror = function(err) {
+		callback.call(stream, err);
+	};
+
+	var onclose = function() {
+		process.nextTick(onclosenexttick);
+	};
+
+	var onclosenexttick = function() {
+		if (cancelled) return;
+		if (readable && !(rs && (rs.ended && !rs.destroyed))) return callback.call(stream, new Error('premature close'));
+		if (writable && !(ws && (ws.ended && !ws.destroyed))) return callback.call(stream, new Error('premature close'));
+	};
+
+	var onrequest = function() {
+		stream.req.on('finish', onfinish);
+	};
+
+	if (isRequest(stream)) {
+		stream.on('complete', onfinish);
+		stream.on('abort', onclose);
+		if (stream.req) onrequest();
+		else stream.on('request', onrequest);
+	} else if (writable && !ws) { // legacy streams
+		stream.on('end', onlegacyfinish);
+		stream.on('close', onlegacyfinish);
+	}
+
+	if (isChildProcess(stream)) stream.on('exit', onexit);
+
+	stream.on('end', onend);
+	stream.on('finish', onfinish);
+	if (opts.error !== false) stream.on('error', onerror);
+	stream.on('close', onclose);
+
+	return function() {
+		cancelled = true;
+		stream.removeListener('complete', onfinish);
+		stream.removeListener('abort', onclose);
+		stream.removeListener('request', onrequest);
+		if (stream.req) stream.req.removeListener('finish', onfinish);
+		stream.removeListener('end', onlegacyfinish);
+		stream.removeListener('close', onlegacyfinish);
+		stream.removeListener('finish', onfinish);
+		stream.removeListener('exit', onexit);
+		stream.removeListener('end', onend);
+		stream.removeListener('error', onerror);
+		stream.removeListener('close', onclose);
+	};
+};
+
+module.exports = eos;

node_modules/end-of-stream/package.json

@@ -0,0 +1,65 @@
+{
+  "_from": "end-of-stream@^1.1.0",
+  "_id": "end-of-stream@1.4.4",
+  "_inBundle": false,
+  "_integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
+  "_location": "/end-of-stream",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "end-of-stream@^1.1.0",
+    "name": "end-of-stream",
+    "escapedName": "end-of-stream",
+    "rawSpec": "^1.1.0",
+    "saveSpec": null,
+    "fetchSpec": "^1.1.0"
+  },
+  "_requiredBy": [
+    "/pump"
+  ],
+  "_resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
+  "_shasum": "5ae64a5f45057baf3626ec14da0ca5e4b2431eb0",
+  "_spec": "end-of-stream@^1.1.0",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\pump",
+  "author": {
+    "name": "Mathias Buus",
+    "email": "mathiasbuus@gmail.com"
+  },
+  "bugs": {
+    "url": "https://github.com/mafintosh/end-of-stream/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "once": "^1.4.0"
+  },
+  "deprecated": false,
+  "description": "Call a callback when a readable/writable/duplex stream has completed or failed.",
+  "devDependencies": {
+    "tape": "^4.11.0"
+  },
+  "files": [
+    "index.js"
+  ],
+  "homepage": "https://github.com/mafintosh/end-of-stream",
+  "keywords": [
+    "stream",
+    "streams",
+    "callback",
+    "finish",
+    "close",
+    "end",
+    "wait"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "name": "end-of-stream",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/mafintosh/end-of-stream.git"
+  },
+  "scripts": {
+    "test": "node test.js"
+  },
+  "version": "1.4.4"
+}

node_modules/get-stream/buffer-stream.js

@@ -0,0 +1,52 @@
+'use strict';
+const {PassThrough: PassThroughStream} = require('stream');
+
+module.exports = options => {
+	options = {...options};
+
+	const {array} = options;
+	let {encoding} = options;
+	const isBuffer = encoding === 'buffer';
+	let objectMode = false;
+
+	if (array) {
+		objectMode = !(encoding || isBuffer);
+	} else {
+		encoding = encoding || 'utf8';
+	}
+
+	if (isBuffer) {
+		encoding = null;
+	}
+
+	const stream = new PassThroughStream({objectMode});
+
+	if (encoding) {
+		stream.setEncoding(encoding);
+	}
+
+	let length = 0;
+	const chunks = [];
+
+	stream.on('data', chunk => {
+		chunks.push(chunk);
+
+		if (objectMode) {
+			length = chunks.length;
+		} else {
+			length += chunk.length;
+		}
+	});
+
+	stream.getBufferedValue = () => {
+		if (array) {
+			return chunks;
+		}
+
+		return isBuffer ? Buffer.concat(chunks, length) : chunks.join('');
+	};
+
+	stream.getBufferedLength = () => length;
+
+	return stream;
+};

node_modules/get-stream/index.d.ts

@@ -0,0 +1,108 @@
+/// <reference types="node"/>
+import {Stream} from 'stream';
+
+declare class MaxBufferErrorClass extends Error {
+	readonly name: 'MaxBufferError';
+	constructor();
+}
+
+declare namespace getStream {
+	interface Options {
+		/**
+		Maximum length of the returned string. If it exceeds this value before the stream ends, the promise will be rejected with a `MaxBufferError` error.
+
+		@default Infinity
+		*/
+		readonly maxBuffer?: number;
+	}
+
+	interface OptionsWithEncoding<EncodingType = BufferEncoding> extends Options {
+		/**
+		[Encoding](https://nodejs.org/api/buffer.html#buffer_buffer) of the incoming stream.
+
+		@default 'utf8'
+		*/
+		readonly encoding?: EncodingType;
+	}
+
+	type MaxBufferError = MaxBufferErrorClass;
+}
+
+declare const getStream: {
+	/**
+	Get the `stream` as a string.
+
+	@returns A promise that resolves when the end event fires on the stream, indicating that there is no more data to be read. The stream is switched to flowing mode.
+
+	@example
+	```
+	import * as fs from 'fs';
+	import getStream = require('get-stream');
+
+	(async () => {
+		const stream = fs.createReadStream('unicorn.txt');
+
+		console.log(await getStream(stream));
+		//               ,,))))))));,
+		//            __)))))))))))))),
+		// \|/       -\(((((''''((((((((.
+		// -*-==//////((''  .     `)))))),
+		// /|\      ))| o    ;-.    '(((((                                  ,(,
+		//          ( `|    /  )    ;))))'                               ,_))^;(~
+		//             |   |   |   ,))((((_     _____------~~~-.        %,;(;(>';'~
+		//             o_);   ;    )))(((` ~---~  `::           \      %%~~)(v;(`('~
+		//                   ;    ''''````         `:       `:::|\,__,%%    );`'; ~
+		//                  |   _                )     /      `:|`----'     `-'
+		//            ______/\/~    |                 /        /
+		//          /~;;.____/;;'  /          ___--,-(   `;;;/
+		//         / //  _;______;'------~~~~~    /;;/\    /
+		//        //  | |                        / ;   \;;,\
+		//       (<_  | ;                      /',/-----'  _>
+		//        \_| ||_                     //~;~~~~~~~~~
+		//            `\_|                   (,~~
+		//                                    \~\
+		//                                     ~~
+	})();
+	```
+	*/
+	(stream: Stream, options?: getStream.OptionsWithEncoding): Promise<string>;
+
+	/**
+	Get the `stream` as a buffer.
+
+	It honors the `maxBuffer` option as above, but it refers to byte length rather than string length.
+	*/
+	buffer(
+		stream: Stream,
+		options?: getStream.OptionsWithEncoding
+	): Promise<Buffer>;
+
+	/**
+	Get the `stream` as an array of values.
+
+	It honors both the `maxBuffer` and `encoding` options. The behavior changes slightly based on the encoding chosen:
+
+	- When `encoding` is unset, it assumes an [object mode stream](https://nodesource.com/blog/understanding-object-streams/) and collects values emitted from `stream` unmodified. In this case `maxBuffer` refers to the number of items in the array (not the sum of their sizes).
+	- When `encoding` is set to `buffer`, it collects an array of buffers. `maxBuffer` refers to the summed byte lengths of every buffer in the array.
+	- When `encoding` is set to anything else, it collects an array of strings. `maxBuffer` refers to the summed character lengths of every string in the array.
+	*/
+	array<StreamObjectModeType>(
+		stream: Stream,
+		options?: getStream.Options
+	): Promise<StreamObjectModeType[]>;
+	array(
+		stream: Stream,
+		options: getStream.OptionsWithEncoding<'buffer'>
+	): Promise<Buffer[]>;
+	array(
+		stream: Stream,
+		options: getStream.OptionsWithEncoding<BufferEncoding>
+	): Promise<string[]>;
+
+	MaxBufferError: typeof MaxBufferErrorClass;
+
+	// TODO: Remove this for the next major release
+	default: typeof getStream;
+};
+
+export = getStream;

node_modules/get-stream/index.js

@@ -0,0 +1,60 @@
+'use strict';
+const {constants: BufferConstants} = require('buffer');
+const pump = require('pump');
+const bufferStream = require('./buffer-stream');
+
+class MaxBufferError extends Error {
+	constructor() {
+		super('maxBuffer exceeded');
+		this.name = 'MaxBufferError';
+	}
+}
+
+async function getStream(inputStream, options) {
+	if (!inputStream) {
+		return Promise.reject(new Error('Expected a stream'));
+	}
+
+	options = {
+		maxBuffer: Infinity,
+		...options
+	};
+
+	const {maxBuffer} = options;
+
+	let stream;
+	await new Promise((resolve, reject) => {
+		const rejectPromise = error => {
+			// Don't retrieve an oversized buffer.
+			if (error && stream.getBufferedLength() <= BufferConstants.MAX_LENGTH) {
+				error.bufferedData = stream.getBufferedValue();
+			}
+
+			reject(error);
+		};
+
+		stream = pump(inputStream, bufferStream(options), error => {
+			if (error) {
+				rejectPromise(error);
+				return;
+			}
+
+			resolve();
+		});
+
+		stream.on('data', () => {
+			if (stream.getBufferedLength() > maxBuffer) {
+				rejectPromise(new MaxBufferError());
+			}
+		});
+	});
+
+	return stream.getBufferedValue();
+}
+
+module.exports = getStream;
+// TODO: Remove this for the next major release
+module.exports.default = getStream;
+module.exports.buffer = (stream, options) => getStream(stream, {...options, encoding: 'buffer'});
+module.exports.array = (stream, options) => getStream(stream, {...options, array: true});
+module.exports.MaxBufferError = MaxBufferError;

node_modules/get-stream/license

@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.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.

node_modules/get-stream/package.json

@@ -0,0 +1,82 @@
+{
+  "_from": "get-stream@^5.1.0",
+  "_id": "get-stream@5.2.0",
+  "_inBundle": false,
+  "_integrity": "sha512-nBF+F1rAZVCu/p7rjzgA+Yb4lfYXrpl7a6VmJrU8wF9I1CKvP/QwPNZHnOlwbTkY6dvtFIzFMSyQXbLoTQPRpA==",
+  "_location": "/get-stream",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "get-stream@^5.1.0",
+    "name": "get-stream",
+    "escapedName": "get-stream",
+    "rawSpec": "^5.1.0",
+    "saveSpec": null,
+    "fetchSpec": "^5.1.0"
+  },
+  "_requiredBy": [
+    "/neat-csv"
+  ],
+  "_resolved": "https://registry.npmjs.org/get-stream/-/get-stream-5.2.0.tgz",
+  "_shasum": "4966a1795ee5ace65e706c4b7beb71257d6e22d3",
+  "_spec": "get-stream@^5.1.0",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\neat-csv",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "https://sindresorhus.com"
+  },
+  "bugs": {
+    "url": "https://github.com/sindresorhus/get-stream/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "pump": "^3.0.0"
+  },
+  "deprecated": false,
+  "description": "Get a stream as a string, buffer, or array",
+  "devDependencies": {
+    "@types/node": "^12.0.7",
+    "ava": "^2.0.0",
+    "into-stream": "^5.0.0",
+    "tsd": "^0.7.2",
+    "xo": "^0.24.0"
+  },
+  "engines": {
+    "node": ">=8"
+  },
+  "files": [
+    "index.js",
+    "index.d.ts",
+    "buffer-stream.js"
+  ],
+  "funding": "https://github.com/sponsors/sindresorhus",
+  "homepage": "https://github.com/sindresorhus/get-stream#readme",
+  "keywords": [
+    "get",
+    "stream",
+    "promise",
+    "concat",
+    "string",
+    "text",
+    "buffer",
+    "read",
+    "data",
+    "consume",
+    "readable",
+    "readablestream",
+    "array",
+    "object"
+  ],
+  "license": "MIT",
+  "name": "get-stream",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/sindresorhus/get-stream.git"
+  },
+  "scripts": {
+    "test": "xo && ava && tsd"
+  },
+  "version": "5.2.0"
+}

node_modules/get-stream/readme.md

@@ -0,0 +1,124 @@
+# get-stream [![Build Status](https://travis-ci.com/sindresorhus/get-stream.svg?branch=master)](https://travis-ci.com/github/sindresorhus/get-stream)
+
+> Get a stream as a string, buffer, or array
+
+## Install
+
+```
+$ npm install get-stream
+```
+
+## Usage
+
+```js
+const fs = require('fs');
+const getStream = require('get-stream');
+
+(async () => {
+	const stream = fs.createReadStream('unicorn.txt');
+
+	console.log(await getStream(stream));
+	/*
+	              ,,))))))));,
+	           __)))))))))))))),
+	\|/       -\(((((''''((((((((.
+	-*-==//////((''  .     `)))))),
+	/|\      ))| o    ;-.    '(((((                                  ,(,
+	         ( `|    /  )    ;))))'                               ,_))^;(~
+	            |   |   |   ,))((((_     _____------~~~-.        %,;(;(>';'~
+	            o_);   ;    )))(((` ~---~  `::           \      %%~~)(v;(`('~
+	                  ;    ''''````         `:       `:::|\,__,%%    );`'; ~
+	                 |   _                )     /      `:|`----'     `-'
+	           ______/\/~    |                 /        /
+	         /~;;.____/;;'  /          ___--,-(   `;;;/
+	        / //  _;______;'------~~~~~    /;;/\    /
+	       //  | |                        / ;   \;;,\
+	      (<_  | ;                      /',/-----'  _>
+	       \_| ||_                     //~;~~~~~~~~~
+	           `\_|                   (,~~
+	                                   \~\
+	                                    ~~
+	*/
+})();
+```
+
+## API
+
+The methods returns a promise that resolves when the `end` event fires on the stream, indicating that there is no more data to be read. The stream is switched to flowing mode.
+
+### getStream(stream, options?)
+
+Get the `stream` as a string.
+
+#### options
+
+Type: `object`
+
+##### encoding
+
+Type: `string`\
+Default: `'utf8'`
+
+[Encoding](https://nodejs.org/api/buffer.html#buffer_buffer) of the incoming stream.
+
+##### maxBuffer
+
+Type: `number`\
+Default: `Infinity`
+
+Maximum length of the returned string. If it exceeds this value before the stream ends, the promise will be rejected with a `getStream.MaxBufferError` error.
+
+### getStream.buffer(stream, options?)
+
+Get the `stream` as a buffer.
+
+It honors the `maxBuffer` option as above, but it refers to byte length rather than string length.
+
+### getStream.array(stream, options?)
+
+Get the `stream` as an array of values.
+
+It honors both the `maxBuffer` and `encoding` options. The behavior changes slightly based on the encoding chosen:
+
+- When `encoding` is unset, it assumes an [object mode stream](https://nodesource.com/blog/understanding-object-streams/) and collects values emitted from `stream` unmodified. In this case `maxBuffer` refers to the number of items in the array (not the sum of their sizes).
+
+- When `encoding` is set to `buffer`, it collects an array of buffers. `maxBuffer` refers to the summed byte lengths of every buffer in the array.
+
+- When `encoding` is set to anything else, it collects an array of strings. `maxBuffer` refers to the summed character lengths of every string in the array.
+
+## Errors
+
+If the input stream emits an `error` event, the promise will be rejected with the error. The buffered data will be attached to the `bufferedData` property of the error.
+
+```js
+(async () => {
+	try {
+		await getStream(streamThatErrorsAtTheEnd('unicorn'));
+	} catch (error) {
+		console.log(error.bufferedData);
+		//=> 'unicorn'
+	}
+})()
+```
+
+## FAQ
+
+### How is this different from [`concat-stream`](https://github.com/maxogden/concat-stream)?
+
+This module accepts a stream instead of being one and returns a promise instead of using a callback. The API is simpler and it only supports returning a string, buffer, or array. It doesn't have a fragile type inference. You explicitly choose what you want. And it doesn't depend on the huge `readable-stream` package.
+
+## Related
+
+- [get-stdin](https://github.com/sindresorhus/get-stdin) - Get stdin as a string or buffer
+
+---
+
+<div align="center">
+	<b>
+		<a href="https://tidelift.com/subscription/pkg/npm-get-stream?utm_source=npm-get-stream&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
+	</b>
+	<br>
+	<sub>
+		Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
+	</sub>
+</div>

node_modules/neat-csv/index.d.ts

@@ -0,0 +1,38 @@
+/// <reference types="node"/>
+import {Readable as ReadableStream} from 'stream';
+import {Options as CsvParserOptions} from 'csv-parser';
+
+declare namespace neatCsv {
+	type Options = CsvParserOptions;
+
+	interface Row {
+		[header: string]: string;
+	}
+}
+
+/**
+Fast CSV parser.
+
+Convenience wrapper around the super-fast streaming [`csv-parser`](https://github.com/mafintosh/csv-parser) module. Use that one if you want streamed parsing.
+
+@param data - CSV data to parse.
+@param options - See the [`csv-parser` options](https://github.com/mafintosh/csv-parser#options).
+
+@example
+```
+import neatCsv = require('neat-csv');
+
+const csv = 'type,part\nunicorn,horn\nrainbow,pink';
+
+(async () => {
+	console.log(await neatCsv(csv));
+	//=> [{type: 'unicorn', part: 'horn'}, {type: 'rainbow', part: 'pink'}]
+})();
+```
+*/
+declare function neatCsv<Row = neatCsv.Row>(
+	data: string | Buffer | ReadableStream,
+	options?: neatCsv.Options
+): Promise<Row[]>;
+
+export = neatCsv;

node_modules/neat-csv/index.js

@@ -0,0 +1,13 @@
+'use strict';
+const toReadableStream = require('to-readable-stream');
+const csvParser = require('csv-parser');
+const getStream = require('get-stream');
+
+module.exports = async (data, options) => {
+	if (typeof data === 'string' || Buffer.isBuffer(data)) {
+		data = toReadableStream(data);
+	}
+
+	// TODO: Use `stream.pipeline` here when targeting Node.js 10
+	return getStream.array(data.pipe(csvParser(options)));
+};

node_modules/neat-csv/license

@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.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.

node_modules/neat-csv/package.json

@@ -0,0 +1,80 @@
+{
+  "_from": "neat-csv@^5.0.0",
+  "_id": "neat-csv@5.2.0",
+  "_inBundle": false,
+  "_integrity": "sha512-JMbn4RPKo1heWhDihK9kbffxkDdd2uFSk30t3YOz1u3gsbIGhGUNlmGGa5H9yySLie3qU4lsLwrxQyirExD71A==",
+  "_location": "/neat-csv",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "neat-csv@^5.0.0",
+    "name": "neat-csv",
+    "escapedName": "neat-csv",
+    "rawSpec": "^5.0.0",
+    "saveSpec": null,
+    "fetchSpec": "^5.0.0"
+  },
+  "_requiredBy": [
+    "/tasklist"
+  ],
+  "_resolved": "https://registry.npmjs.org/neat-csv/-/neat-csv-5.2.0.tgz",
+  "_shasum": "7c93c7d98dea8e29971bd9c52e0435cf9fdd939e",
+  "_spec": "neat-csv@^5.0.0",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\tasklist",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "bugs": {
+    "url": "https://github.com/sindresorhus/neat-csv/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "csv-parser": "^2.3.2",
+    "get-stream": "^5.1.0",
+    "to-readable-stream": "^2.1.0"
+  },
+  "deprecated": false,
+  "description": "Fast CSV parser",
+  "devDependencies": {
+    "ava": "^2.1.0",
+    "tsd": "^0.11.0",
+    "xo": "^0.25.4"
+  },
+  "engines": {
+    "node": ">=8"
+  },
+  "files": [
+    "index.js",
+    "index.d.ts"
+  ],
+  "funding": "https://github.com/sponsors/sindresorhus",
+  "homepage": "https://github.com/sindresorhus/neat-csv#readme",
+  "keywords": [
+    "parse",
+    "csv",
+    "comma",
+    "separated",
+    "values",
+    "tab",
+    "delimiter",
+    "separator",
+    "text",
+    "string",
+    "buffer",
+    "stream",
+    "parser"
+  ],
+  "license": "MIT",
+  "name": "neat-csv",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/sindresorhus/neat-csv.git"
+  },
+  "scripts": {
+    "test": "xo && ava && tsd"
+  },
+  "version": "5.2.0"
+}

node_modules/neat-csv/readme.md

@@ -0,0 +1,42 @@
+# neat-csv [![Build Status](https://travis-ci.org/sindresorhus/neat-csv.svg?branch=master)](https://travis-ci.org/sindresorhus/neat-csv)
+
+> Fast CSV parser
+
+Convenience wrapper around the super-fast streaming [`csv-parser`](https://github.com/mafintosh/csv-parser) module. Use that one if you want streamed parsing.
+
+## Install
+
+```
+$ npm install neat-csv
+```
+
+## Usage
+
+```js
+const neatCsv = require('neat-csv');
+
+const csv = 'type,part\nunicorn,horn\nrainbow,pink';
+
+(async () => {
+	console.log(await neatCsv(csv));
+	//=> [{type: 'unicorn', part: 'horn'}, {type: 'rainbow', part: 'pink'}]
+})();
+```
+
+## API
+
+### neatCsv(data, options?)
+
+Returns a `Promise<object[]>` with the parsed CSV.
+
+#### data
+
+Type: `string | Buffer | stream.Readable`
+
+CSV data to parse.
+
+#### options
+
+Type: `object`
+
+See the [`csv-parser` options](https://github.com/mafintosh/csv-parser#options).

node_modules/once/LICENSE

@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

node_modules/once/README.md

@@ -0,0 +1,79 @@
+# once
+
+Only call a function once.
+
+## usage
+
+```javascript
+var once = require('once')
+
+function load (file, cb) {
+  cb = once(cb)
+  loader.load('file')
+  loader.once('load', cb)
+  loader.once('error', cb)
+}
+```
+
+Or add to the Function.prototype in a responsible way:
+
+```javascript
+// only has to be done once
+require('once').proto()
+
+function load (file, cb) {
+  cb = cb.once()
+  loader.load('file')
+  loader.once('load', cb)
+  loader.once('error', cb)
+}
+```
+
+Ironically, the prototype feature makes this module twice as
+complicated as necessary.
+
+To check whether you function has been called, use `fn.called`. Once the
+function is called for the first time the return value of the original
+function is saved in `fn.value` and subsequent calls will continue to
+return this value.
+
+```javascript
+var once = require('once')
+
+function load (cb) {
+  cb = once(cb)
+  var stream = createStream()
+  stream.once('data', cb)
+  stream.once('end', function () {
+    if (!cb.called) cb(new Error('not found'))
+  })
+}
+```
+
+## `once.strict(func)`
+
+Throw an error if the function is called twice.
+
+Some functions are expected to be called only once. Using `once` for them would
+potentially hide logical errors.
+
+In the example below, the `greet` function has to call the callback only once:
+
+```javascript
+function greet (name, cb) {
+  // return is missing from the if statement
+  // when no name is passed, the callback is called twice
+  if (!name) cb('Hello anonymous')
+  cb('Hello ' + name)
+}
+
+function log (msg) {
+  console.log(msg)
+}
+
+// this will print 'Hello anonymous' but the logical error will be missed
+greet(null, once(msg))
+
+// once.strict will print 'Hello anonymous' and throw an error when the callback will be called the second time
+greet(null, once.strict(msg))
+```

node_modules/once/once.js

@@ -0,0 +1,42 @@
+var wrappy = require('wrappy')
+module.exports = wrappy(once)
+module.exports.strict = wrappy(onceStrict)
+
+once.proto = once(function () {
+  Object.defineProperty(Function.prototype, 'once', {
+    value: function () {
+      return once(this)
+    },
+    configurable: true
+  })
+
+  Object.defineProperty(Function.prototype, 'onceStrict', {
+    value: function () {
+      return onceStrict(this)
+    },
+    configurable: true
+  })
+})
+
+function once (fn) {
+  var f = function () {
+    if (f.called) return f.value
+    f.called = true
+    return f.value = fn.apply(this, arguments)
+  }
+  f.called = false
+  return f
+}
+
+function onceStrict (fn) {
+  var f = function () {
+    if (f.called)
+      throw new Error(f.onceError)
+    f.called = true
+    return f.value = fn.apply(this, arguments)
+  }
+  var name = fn.name || 'Function wrapped with `once`'
+  f.onceError = name + " shouldn't be called more than once"
+  f.called = false
+  return f
+}

node_modules/once/package.json

@@ -0,0 +1,67 @@
+{
+  "_from": "once@^1.3.1",
+  "_id": "once@1.4.0",
+  "_inBundle": false,
+  "_integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+  "_location": "/once",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "once@^1.3.1",
+    "name": "once",
+    "escapedName": "once",
+    "rawSpec": "^1.3.1",
+    "saveSpec": null,
+    "fetchSpec": "^1.3.1"
+  },
+  "_requiredBy": [
+    "/end-of-stream",
+    "/pump"
+  ],
+  "_resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+  "_shasum": "583b1aa775961d4b113ac17d9c50baef9dd76bd1",
+  "_spec": "once@^1.3.1",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\pump",
+  "author": {
+    "name": "Isaac Z. Schlueter",
+    "email": "i@izs.me",
+    "url": "http://blog.izs.me/"
+  },
+  "bugs": {
+    "url": "https://github.com/isaacs/once/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "wrappy": "1"
+  },
+  "deprecated": false,
+  "description": "Run a function exactly one time",
+  "devDependencies": {
+    "tap": "^7.0.1"
+  },
+  "directories": {
+    "test": "test"
+  },
+  "files": [
+    "once.js"
+  ],
+  "homepage": "https://github.com/isaacs/once#readme",
+  "keywords": [
+    "once",
+    "function",
+    "one",
+    "single"
+  ],
+  "license": "ISC",
+  "main": "once.js",
+  "name": "once",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/isaacs/once.git"
+  },
+  "scripts": {
+    "test": "tap test/*.js"
+  },
+  "version": "1.4.0"
+}

node_modules/pump/.travis.yml

@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+  - "0.10"
+
+script: "npm test"

node_modules/pump/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Mathias Buus
+
+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.

node_modules/pump/README.md

@@ -0,0 +1,65 @@
+# pump
+
+pump is a small node module that pipes streams together and destroys all of them if one of them closes.
+
+```
+npm install pump
+```
+
+[![build status](http://img.shields.io/travis/mafintosh/pump.svg?style=flat)](http://travis-ci.org/mafintosh/pump)
+
+## What problem does it solve?
+
+When using standard `source.pipe(dest)` source will _not_ be destroyed if dest emits close or an error.
+You are also not able to provide a callback to tell when then pipe has finished.
+
+pump does these two things for you
+
+## Usage
+
+Simply pass the streams you want to pipe together to pump and add an optional callback
+
+``` js
+var pump = require('pump')
+var fs = require('fs')
+
+var source = fs.createReadStream('/dev/random')
+var dest = fs.createWriteStream('/dev/null')
+
+pump(source, dest, function(err) {
+  console.log('pipe finished', err)
+})
+
+setTimeout(function() {
+  dest.destroy() // when dest is closed pump will destroy source
+}, 1000)
+```
+
+You can use pump to pipe more than two streams together as well
+
+``` js
+var transform = someTransformStream()
+
+pump(source, transform, anotherTransform, dest, function(err) {
+  console.log('pipe finished', err)
+})
+```
+
+If `source`, `transform`, `anotherTransform` or `dest` closes all of them will be destroyed.
+
+Similarly to `stream.pipe()`, `pump()` returns the last stream passed in, so you can do:
+
+```
+return pump(s1, s2) // returns s2
+```
+
+If you want to return a stream that combines *both* s1 and s2 to a single stream use
+[pumpify](https://github.com/mafintosh/pumpify) instead.
+
+## License
+
+MIT
+
+## Related
+
+`pump` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.

node_modules/pump/index.js

@@ -0,0 +1,82 @@
+var once = require('once')
+var eos = require('end-of-stream')
+var fs = require('fs') // we only need fs to get the ReadStream and WriteStream prototypes
+
+var noop = function () {}
+var ancient = /^v?\.0/.test(process.version)
+
+var isFn = function (fn) {
+  return typeof fn === 'function'
+}
+
+var isFS = function (stream) {
+  if (!ancient) return false // newer node version do not need to care about fs is a special way
+  if (!fs) return false // browser
+  return (stream instanceof (fs.ReadStream || noop) || stream instanceof (fs.WriteStream || noop)) && isFn(stream.close)
+}
+
+var isRequest = function (stream) {
+  return stream.setHeader && isFn(stream.abort)
+}
+
+var destroyer = function (stream, reading, writing, callback) {
+  callback = once(callback)
+
+  var closed = false
+  stream.on('close', function () {
+    closed = true
+  })
+
+  eos(stream, {readable: reading, writable: writing}, function (err) {
+    if (err) return callback(err)
+    closed = true
+    callback()
+  })
+
+  var destroyed = false
+  return function (err) {
+    if (closed) return
+    if (destroyed) return
+    destroyed = true
+
+    if (isFS(stream)) return stream.close(noop) // use close for fs streams to avoid fd leaks
+    if (isRequest(stream)) return stream.abort() // request.destroy just do .end - .abort is what we want
+
+    if (isFn(stream.destroy)) return stream.destroy()
+
+    callback(err || new Error('stream was destroyed'))
+  }
+}
+
+var call = function (fn) {
+  fn()
+}
+
+var pipe = function (from, to) {
+  return from.pipe(to)
+}
+
+var pump = function () {
+  var streams = Array.prototype.slice.call(arguments)
+  var callback = isFn(streams[streams.length - 1] || noop) && streams.pop() || noop
+
+  if (Array.isArray(streams[0])) streams = streams[0]
+  if (streams.length < 2) throw new Error('pump requires two streams per minimum')
+
+  var error
+  var destroys = streams.map(function (stream, i) {
+    var reading = i < streams.length - 1
+    var writing = i > 0
+    return destroyer(stream, reading, writing, function (err) {
+      if (!error) error = err
+      if (err) destroys.forEach(call)
+      if (reading) return
+      destroys.forEach(call)
+      callback(error)
+    })
+  })
+
+  return streams.reduce(pipe)
+}
+
+module.exports = pump

node_modules/pump/package.json

@@ -0,0 +1,59 @@
+{
+  "_from": "pump@^3.0.0",
+  "_id": "pump@3.0.0",
+  "_inBundle": false,
+  "_integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
+  "_location": "/pump",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "pump@^3.0.0",
+    "name": "pump",
+    "escapedName": "pump",
+    "rawSpec": "^3.0.0",
+    "saveSpec": null,
+    "fetchSpec": "^3.0.0"
+  },
+  "_requiredBy": [
+    "/get-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
+  "_shasum": "b4a2116815bde2f4e1ea602354e8c75565107a64",
+  "_spec": "pump@^3.0.0",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\get-stream",
+  "author": {
+    "name": "Mathias Buus Madsen",
+    "email": "mathiasbuus@gmail.com"
+  },
+  "browser": {
+    "fs": false
+  },
+  "bugs": {
+    "url": "https://github.com/mafintosh/pump/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "end-of-stream": "^1.1.0",
+    "once": "^1.3.1"
+  },
+  "deprecated": false,
+  "description": "pipe streams together and close all of them if one of them closes",
+  "homepage": "https://github.com/mafintosh/pump#readme",
+  "keywords": [
+    "streams",
+    "pipe",
+    "destroy",
+    "callback"
+  ],
+  "license": "MIT",
+  "name": "pump",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/mafintosh/pump.git"
+  },
+  "scripts": {
+    "test": "node test-browser.js && node test-node.js"
+  },
+  "version": "3.0.0"
+}

node_modules/pump/test-browser.js

@@ -0,0 +1,66 @@
+var stream = require('stream')
+var pump = require('./index')
+
+var rs = new stream.Readable()
+var ws = new stream.Writable()
+
+rs._read = function (size) {
+  this.push(Buffer(size).fill('abc'))
+}
+
+ws._write = function (chunk, encoding, cb) {
+  setTimeout(function () {
+    cb()
+  }, 100)
+}
+
+var toHex = function () {
+  var reverse = new (require('stream').Transform)()
+
+  reverse._transform = function (chunk, enc, callback) {
+    reverse.push(chunk.toString('hex'))
+    callback()
+  }
+
+  return reverse
+}
+
+var wsClosed = false
+var rsClosed = false
+var callbackCalled = false
+
+var check = function () {
+  if (wsClosed && rsClosed && callbackCalled) {
+    console.log('test-browser.js passes')
+    clearTimeout(timeout)
+  }
+}
+
+ws.on('finish', function () {
+  wsClosed = true
+  check()
+})
+
+rs.on('end', function () {
+  rsClosed = true
+  check()
+})
+
+var res = pump(rs, toHex(), toHex(), toHex(), ws, function () {
+  callbackCalled = true
+  check()
+})
+
+if (res !== ws) {
+  throw new Error('should return last stream')
+}
+
+setTimeout(function () {
+  rs.push(null)
+  rs.emit('close')
+}, 1000)
+
+var timeout = setTimeout(function () {
+  check()
+  throw new Error('timeout')
+}, 5000)

node_modules/pump/test-node.js

@@ -0,0 +1,53 @@
+var pump = require('./index')
+
+var rs = require('fs').createReadStream('/dev/random')
+var ws = require('fs').createWriteStream('/dev/null')
+
+var toHex = function () {
+  var reverse = new (require('stream').Transform)()
+
+  reverse._transform = function (chunk, enc, callback) {
+    reverse.push(chunk.toString('hex'))
+    callback()
+  }
+
+  return reverse
+}
+
+var wsClosed = false
+var rsClosed = false
+var callbackCalled = false
+
+var check = function () {
+  if (wsClosed && rsClosed && callbackCalled) {
+    console.log('test-node.js passes')
+    clearTimeout(timeout)
+  }
+}
+
+ws.on('close', function () {
+  wsClosed = true
+  check()
+})
+
+rs.on('close', function () {
+  rsClosed = true
+  check()
+})
+
+var res = pump(rs, toHex(), toHex(), toHex(), ws, function () {
+  callbackCalled = true
+  check()
+})
+
+if (res !== ws) {
+  throw new Error('should return last stream')
+}
+
+setTimeout(function () {
+  rs.destroy()
+}, 1000)
+
+var timeout = setTimeout(function () {
+  throw new Error('timeout')
+}, 5000)

node_modules/sec/index.js

@@ -0,0 +1,13 @@
+'use strict';
+module.exports = function (str) {
+	var parts = str.split(':');
+	var sec = 0;
+	var min = 1;
+
+	while (parts.length > 0) {
+		sec += min * parseInt(parts.pop(), 10);
+		min *= 60;
+	}
+
+	return sec;
+};

node_modules/sec/license

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.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.

node_modules/sec/package.json

@@ -0,0 +1,69 @@
+{
+  "_from": "sec@^1.0.0",
+  "_id": "sec@1.0.0",
+  "_inBundle": false,
+  "_integrity": "sha1-Az1go60g7PLgCUDRT5eCNGV3QzU=",
+  "_location": "/sec",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "sec@^1.0.0",
+    "name": "sec",
+    "escapedName": "sec",
+    "rawSpec": "^1.0.0",
+    "saveSpec": null,
+    "fetchSpec": "^1.0.0"
+  },
+  "_requiredBy": [
+    "/tasklist"
+  ],
+  "_resolved": "https://registry.npmjs.org/sec/-/sec-1.0.0.tgz",
+  "_shasum": "033d60a3ad20ecf2e00940d14f97823465774335",
+  "_spec": "sec@^1.0.0",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\tasklist",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "bugs": {
+    "url": "https://github.com/sindresorhus/sec/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "Convert a time string to seconds: '00:22:17' → 1337",
+  "devDependencies": {
+    "ava": "0.0.4"
+  },
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "files": [
+    "index.js"
+  ],
+  "homepage": "https://github.com/sindresorhus/sec#readme",
+  "keywords": [
+    "sec",
+    "second",
+    "seconds",
+    "time",
+    "string",
+    "str",
+    "data",
+    "hms",
+    "hour",
+    "minute",
+    "convert"
+  ],
+  "license": "MIT",
+  "name": "sec",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/sindresorhus/sec.git"
+  },
+  "scripts": {
+    "test": "node test.js"
+  },
+  "version": "1.0.0"
+}

node_modules/sec/readme.md

@@ -0,0 +1,32 @@
+# sec [![Build Status](https://travis-ci.org/sindresorhus/sec.svg?branch=master)](https://travis-ci.org/sindresorhus/sec)
+
+> Convert a time string to seconds: `'00:22:17'` → `1337`
+
+
+## Install
+
+```
+$ npm install --save sec
+```
+
+
+## Usage
+
+```js
+var sec = require('sec');
+
+// hours:minutes:seconds
+sec('00:22:17');
+//=> 1337
+
+sec('22:17');
+//=> 1337
+
+sec('17');
+//=> 17
+```
+
+
+## License
+
+MIT © [Sindre Sorhus](http://sindresorhus.com)

node_modules/tasklist/index.js

@@ -0,0 +1,68 @@
+'use strict';
+const {promisify} = require('util');
+const childProcess = require('child_process');
+const neatCsv = require('neat-csv');
+const sec = require('sec');
+
+const execFile = promisify(childProcess.execFile);
+
+module.exports = async (options = {}) => {
+	if (process.platform !== 'win32') {
+		throw new Error('Windows only');
+	}
+
+	const args = ['/nh', '/fo', 'csv'];
+
+	if (options.verbose) {
+		args.push('/v');
+	}
+
+	if (options.system && options.username && options.password) {
+		args.push(
+			'/s', options.system,
+			'/u', options.username,
+			'/p', options.password
+		);
+	}
+
+	if (Array.isArray(options.filter)) {
+		for (const filter of options.filter) {
+			args.push('/fi', filter);
+		}
+	}
+
+	const defaultHeaders = [
+		'imageName',
+		'pid',
+		'sessionName',
+		'sessionNumber',
+		'memUsage'
+	];
+
+	const verboseHeaders = defaultHeaders.concat([
+		'status',
+		'username',
+		'cpuTime',
+		'windowTitle'
+	]);
+
+	const headers = options.verbose ? verboseHeaders : defaultHeaders;
+
+	const {stdout} = await execFile('tasklist', args, {windowsHide: true});
+
+	// Not start with `"` means no matching tasks. See #11.
+	const data = stdout.startsWith('"') ? await neatCsv(stdout, {headers}) : [];
+
+	return data.map(task => {
+		// Normalize task props
+		task.pid = Number(task.pid);
+		task.sessionNumber = Number(task.sessionNumber);
+		task.memUsage = Number(task.memUsage.replace(/[^\d]/g, '')) * 1024;
+
+		if (options.verbose) {
+			task.cpuTime = sec(task.cpuTime);
+		}
+
+		return task;
+	});
+};

node_modules/tasklist/license

@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.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.

node_modules/tasklist/package.json

@@ -0,0 +1,74 @@
+{
+  "_from": "tasklist@^4.0.1",
+  "_id": "tasklist@4.0.1",
+  "_inBundle": false,
+  "_integrity": "sha512-7LJMIp/Q1MjXCeyVmhccCL5+hIfFeH6uL8PqJZ/TmF4RuWnj8wYpXW5lDRLKkIjm93pMtFV6ERd5I0c3NJ82yQ==",
+  "_location": "/tasklist",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "tasklist@^4.0.1",
+    "name": "tasklist",
+    "escapedName": "tasklist",
+    "rawSpec": "^4.0.1",
+    "saveSpec": null,
+    "fetchSpec": "^4.0.1"
+  },
+  "_requiredBy": [
+    "#USER",
+    "/"
+  ],
+  "_resolved": "https://registry.npmjs.org/tasklist/-/tasklist-4.0.1.tgz",
+  "_shasum": "5b43a1f8cb42df630b62e035facf97dcd7b0a50c",
+  "_spec": "tasklist@^4.0.1",
+  "_where": "E:\\company\\node\\logistics_node",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "bugs": {
+    "url": "https://github.com/sindresorhus/tasklist/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "neat-csv": "^5.0.0",
+    "sec": "^1.0.0"
+  },
+  "deprecated": false,
+  "description": "Wrapper for the Windows `tasklist` command. Returns a list of apps and services with their Process ID (PID) for all tasks running on either a local or a remote computer.",
+  "devDependencies": {
+    "ava": "^2.1.0",
+    "xo": "^0.24.0"
+  },
+  "engines": {
+    "node": ">=8"
+  },
+  "files": [
+    "index.js"
+  ],
+  "homepage": "https://github.com/sindresorhus/tasklist#readme",
+  "keywords": [
+    "tasklist",
+    "task",
+    "list",
+    "windows",
+    "win",
+    "win32",
+    "pid",
+    "process",
+    "processes",
+    "services"
+  ],
+  "license": "MIT",
+  "name": "tasklist",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/sindresorhus/tasklist.git"
+  },
+  "scripts": {
+    "test": "xo && ava"
+  },
+  "version": "4.0.1"
+}

node_modules/tasklist/readme.md

@@ -0,0 +1,132 @@
+# tasklist [![Build Status](https://travis-ci.org/sindresorhus/tasklist.svg?branch=master)](https://travis-ci.org/sindresorhus/tasklist)
+
+> Wrapper for the Windows [`tasklist`](https://technet.microsoft.com/en-us/library/bb491010.aspx) command. Returns a list of apps and services with their Process ID (PID) for all tasks running on either a local or a remote computer.
+
+Cleans up and normalizes the data.
+
+
+## Install
+
+```
+$ npm install tasklist
+```
+
+
+## Usage
+
+```js
+const tasklist = require('tasklist');
+
+(async () => {
+	console.log(await tasklist());
+	/*
+	[{
+		imageName: 'taskhostex.exe',
+		pid: 1820,
+		sessionName: 'Console',
+		sessionNumber: 1,
+		memUsage: 4415488
+	}, …]
+	*/
+})();
+```
+
+
+## API
+
+See the [`tasklist` docs](https://technet.microsoft.com/en-us/library/bb491010.aspx) for more.
+
+### tasklist(options?)
+
+Returns a `Promise<Array>` with running tasks.
+
+#### options
+
+Type: `object`
+
+The `system`, `username`, `password` options must be specified together.
+
+##### verbose
+
+Type: `boolean`<br>
+Default: `false`
+
+Return verbose results.
+
+Without the `verbose` option, `taskkill` returns tasks with the following properties:
+
+- `imageName` (Type: `string`)
+- `pid` (Type: `number`)
+- `sessionName` (Type: `string`)
+- `sessionNumber` (Type: `number`)
+- `memUsage` in bytes (Type: `number`)
+
+With the `verbose` option set to `true`, it additionally returns the following properties:
+
+- `status` (Type: `string`): One of `Running`, `Suspended`, `Not Responding`, or `Unknown`
+- `username` (Type: `string`)
+- `cpuTime` in seconds (Type: `number`)
+- `windowTitle` (Type: `string`)
+
+**Note:** It's not guaranteed that the `username` and `windowTitle` properties are returned with proper values. If they are *not available*, `'N/A'` may be returned on English systems. In contrast, `'Nicht zutreffend'` may be returned on German systems, for example.
+
+**Verbose example:**
+
+```js
+const tasklist = require('tasklist');
+
+(async () => {
+	console.log(await tasklist({verbose: true}));
+	/*
+	[{
+		imageName: 'taskhostex.exe',
+		pid: 1820,
+		sessionName: 'Console',
+		sessionNumber: 1,
+		memUsage: 4415488,
+		status: 'Running',
+		username: 'SINDRESORHU3930\\sindre'
+		cpuTime: 0,
+		windowTitle: 'Task Host Window'
+	}, …]
+	*/
+})();
+```
+
+**Warning:** Using the `verbose` option may have a considerable performance impact (See: [#6](https://github.com/sindresorhus/tasklist/issues/6)).
+
+##### system
+
+Type: `string`
+
+Name or IP address of a remote computer (don't use backslashes). The default is the local computer.
+
+##### username
+
+Type: `string`<br>
+Example: `SINDRESORHU3930\\sindre`
+
+User specified by `User` or `Domain\User`. The default is the permissions of the current logged on user on the computer issuing the command.
+
+##### password
+
+Type: `string`
+
+Password of the user account for the specified `username`.
+
+##### filter
+
+Type: `array`
+
+Specify the types of processes to include or exclude. [More info.](https://technet.microsoft.com/en-us/library/bb491010.aspx)
+
+
+## Related
+
+- [taskkill](https://github.com/sindresorhus/taskkill) - Wrapper for the Windows `taskkill` command
+
+
+## Maintainers
+
+- [Sindre Sorhus](https://sindresorhus.com)
+- [Mark Tiedemann](https://marksweb.site)

node_modules/through2/LICENSE.md

@@ -0,0 +1,9 @@
+# The MIT License (MIT)
+
+**Copyright (c) Rod Vagg (the "Original Author") and additional contributors**
+
+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.

node_modules/through2/README.md

@@ -0,0 +1,134 @@
+# through2
+
+[![NPM](https://nodei.co/npm/through2.png?downloads&downloadRank)](https://nodei.co/npm/through2/)
+
+**A tiny wrapper around Node.js streams.Transform (Streams2/3) to avoid explicit subclassing noise**
+
+Inspired by [Dominic Tarr](https://github.com/dominictarr)'s [through](https://github.com/dominictarr/through) in that it's so much easier to make a stream out of a function than it is to set up the prototype chain properly: `through(function (chunk) { ... })`.
+
+***Note: Users of Node.js 0.10 and 0.12 should install `through2@2.x`. As of through2@3.x, readable-stream@3 is being used and is not compatible with older versions of Node.js.*** _v2.x support is being maintained on the [v2.x](https://github.com/rvagg/through2/tree/v2.x) branch._
+
+```js
+fs.createReadStream('ex.txt')
+  .pipe(through2(function (chunk, enc, callback) {
+    for (var i = 0; i < chunk.length; i++)
+      if (chunk[i] == 97)
+        chunk[i] = 122 // swap 'a' for 'z'
+
+    this.push(chunk)
+
+    callback()
+   }))
+  .pipe(fs.createWriteStream('out.txt'))
+  .on('finish', () => doSomethingSpecial())
+```
+
+Or object streams:
+
+```js
+var all = []
+
+fs.createReadStream('data.csv')
+  .pipe(csv2())
+  .pipe(through2.obj(function (chunk, enc, callback) {
+    var data = {
+        name    : chunk[0]
+      , address : chunk[3]
+      , phone   : chunk[10]
+    }
+    this.push(data)
+
+    callback()
+  }))
+  .on('data', (data) => {
+    all.push(data)
+  })
+  .on('end', () => {
+    doSomethingSpecial(all)
+  })
+```
+
+Note that `through2.obj(fn)` is a convenience wrapper around `through2({ objectMode: true }, fn)`.
+
+## API
+
+<b><code>through2([ options, ] [ transformFunction ] [, flushFunction ])</code></b>
+
+Consult the **[stream.Transform](https://nodejs.org/docs/latest/api/stream.html#stream_class_stream_transform)** documentation for the exact rules of the `transformFunction` (i.e. `this._transform`) and the optional `flushFunction` (i.e. `this._flush`).
+
+### options
+
+The options argument is optional and is passed straight through to `stream.Transform`. So you can use `objectMode:true` if you are processing non-binary streams (or just use `through2.obj()`).
+
+The `options` argument is first, unlike standard convention, because if I'm passing in an anonymous function then I'd prefer for the options argument to not get lost at the end of the call:
+
+```js
+fs.createReadStream('/tmp/important.dat')
+  .pipe(through2({ objectMode: true, allowHalfOpen: false },
+    (chunk, enc, cb) => {
+      cb(null, 'wut?') // note we can use the second argument on the callback
+                       // to provide data as an alternative to this.push('wut?')
+    }
+  ))
+  .pipe(fs.createWriteStream('/tmp/wut.txt'))
+```
+
+### transformFunction
+
+The `transformFunction` must have the following signature: `function (chunk, encoding, callback) {}`. A minimal implementation should call the `callback` function to indicate that the transformation is done, even if that transformation means discarding the chunk.
+
+To queue a new chunk, call `this.push(chunk)`&mdash;this can be called as many times as required before the `callback()` if you have multiple pieces to send on.
+
+Alternatively, you may use `callback(err, chunk)` as shorthand for emitting a single chunk or an error.
+
+If you **do not provide a `transformFunction`** then you will get a simple pass-through stream.
+
+### flushFunction
+
+The optional `flushFunction` is provided as the last argument (2nd or 3rd, depending on whether you've supplied options) is called just prior to the stream ending. Can be used to finish up any processing that may be in progress.
+
+```js
+fs.createReadStream('/tmp/important.dat')
+  .pipe(through2(
+    (chunk, enc, cb) => cb(null, chunk), // transform is a noop
+    function (cb) { // flush function
+      this.push('tacking on an extra buffer to the end');
+      cb();
+    }
+  ))
+  .pipe(fs.createWriteStream('/tmp/wut.txt'));
+```
+
+<b><code>through2.ctor([ options, ] transformFunction[, flushFunction ])</code></b>
+
+Instead of returning a `stream.Transform` instance, `through2.ctor()` returns a **constructor** for a custom Transform. This is useful when you want to use the same transform logic in multiple instances.
+
+```js
+var FToC = through2.ctor({objectMode: true}, function (record, encoding, callback) {
+  if (record.temp != null && record.unit == "F") {
+    record.temp = ( ( record.temp - 32 ) * 5 ) / 9
+    record.unit = "C"
+  }
+  this.push(record)
+  callback()
+})
+
+// Create instances of FToC like so:
+var converter = new FToC()
+// Or:
+var converter = FToC()
+// Or specify/override options when you instantiate, if you prefer:
+var converter = FToC({objectMode: true})
+```
+
+## See Also
+
+  - [through2-map](https://github.com/brycebaril/through2-map) - Array.prototype.map analog for streams.
+  - [through2-filter](https://github.com/brycebaril/through2-filter) - Array.prototype.filter analog for streams.
+  - [through2-reduce](https://github.com/brycebaril/through2-reduce) - Array.prototype.reduce analog for streams.
+  - [through2-spy](https://github.com/brycebaril/through2-spy) - Wrapper for simple stream.PassThrough spies.
+  - the [mississippi stream utility collection](https://github.com/maxogden/mississippi) includes `through2` as well as many more useful stream modules similar to this one
+
+## License
+
+**through2** is Copyright (c) Rod Vagg and additional contributors and licensed under the MIT license. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE file for more details.

node_modules/through2/node_modules/inherits/LICENSE

@@ -0,0 +1,16 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+

node_modules/through2/node_modules/inherits/README.md

@@ -0,0 +1,42 @@
+Browser-friendly inheritance fully compatible with standard node.js
+[inherits](http://nodejs.org/api/util.html#util_util_inherits_constructor_superconstructor).
+
+This package exports standard `inherits` from node.js `util` module in
+node environment, but also provides alternative browser-friendly
+implementation through [browser
+field](https://gist.github.com/shtylman/4339901). Alternative
+implementation is a literal copy of standard one located in standalone
+module to avoid requiring of `util`. It also has a shim for old
+browsers with no `Object.create` support.
+
+While keeping you sure you are using standard `inherits`
+implementation in node.js environment, it allows bundlers such as
+[browserify](https://github.com/substack/node-browserify) to not
+include full `util` package to your client code if all you need is
+just `inherits` function. It worth, because browser shim for `util`
+package is large and `inherits` is often the single function you need
+from it.
+
+It's recommended to use this package instead of
+`require('util').inherits` for any code that has chances to be used
+not only in node.js but in browser too.
+
+## usage
+
+```js
+var inherits = require('inherits');
+// then use exactly as the standard one
+```
+
+## note on version ~1.0
+
+Version ~1.0 had completely different motivation and is not compatible
+neither with 2.0 nor with standard node.js `inherits`.
+
+If you are using version ~1.0 and planning to switch to ~2.0, be
+careful:
+
+* new version uses `super_` instead of `super` for referencing
+  superclass
+* new version overwrites current prototype while old one preserves any
+  existing fields on it

node_modules/through2/node_modules/inherits/inherits.js

@@ -0,0 +1,9 @@
+try {
+  var util = require('util');
+  /* istanbul ignore next */
+  if (typeof util.inherits !== 'function') throw '';
+  module.exports = util.inherits;
+} catch (e) {
+  /* istanbul ignore next */
+  module.exports = require('./inherits_browser.js');
+}

node_modules/through2/node_modules/inherits/inherits_browser.js

@@ -0,0 +1,27 @@
+if (typeof Object.create === 'function') {
+  // implementation from standard node.js 'util' module
+  module.exports = function inherits(ctor, superCtor) {
+    if (superCtor) {
+      ctor.super_ = superCtor
+      ctor.prototype = Object.create(superCtor.prototype, {
+        constructor: {
+          value: ctor,
+          enumerable: false,
+          writable: true,
+          configurable: true
+        }
+      })
+    }
+  };
+} else {
+  // old school shim for old browsers
+  module.exports = function inherits(ctor, superCtor) {
+    if (superCtor) {
+      ctor.super_ = superCtor
+      var TempCtor = function () {}
+      TempCtor.prototype = superCtor.prototype
+      ctor.prototype = new TempCtor()
+      ctor.prototype.constructor = ctor
+    }
+  }
+}

node_modules/through2/node_modules/inherits/package.json

@@ -0,0 +1,62 @@
+{
+  "_from": "inherits@^2.0.4",
+  "_id": "inherits@2.0.4",
+  "_inBundle": false,
+  "_integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+  "_location": "/through2/inherits",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "inherits@^2.0.4",
+    "name": "inherits",
+    "escapedName": "inherits",
+    "rawSpec": "^2.0.4",
+    "saveSpec": null,
+    "fetchSpec": "^2.0.4"
+  },
+  "_requiredBy": [
+    "/through2",
+    "/through2/readable-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+  "_shasum": "0fa2c64f932917c3433a0ded55363aae37416b7c",
+  "_spec": "inherits@^2.0.4",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\through2",
+  "browser": "./inherits_browser.js",
+  "bugs": {
+    "url": "https://github.com/isaacs/inherits/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "Browser-friendly inheritance fully compatible with standard node.js inherits()",
+  "devDependencies": {
+    "tap": "^14.2.4"
+  },
+  "files": [
+    "inherits.js",
+    "inherits_browser.js"
+  ],
+  "homepage": "https://github.com/isaacs/inherits#readme",
+  "keywords": [
+    "inheritance",
+    "class",
+    "klass",
+    "oop",
+    "object-oriented",
+    "inherits",
+    "browser",
+    "browserify"
+  ],
+  "license": "ISC",
+  "main": "./inherits.js",
+  "name": "inherits",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/isaacs/inherits.git"
+  },
+  "scripts": {
+    "test": "tap"
+  },
+  "version": "2.0.4"
+}

node_modules/through2/node_modules/readable-stream/CONTRIBUTING.md

@@ -0,0 +1,38 @@
+# Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+* (a) The contribution was created in whole or in part by me and I
+  have the right to submit it under the open source license
+  indicated in the file; or
+
+* (b) The contribution is based upon previous work that, to the best
+  of my knowledge, is covered under an appropriate open source
+  license and I have the right under that license to submit that
+  work with modifications, whether created in whole or in part
+  by me, under the same open source license (unless I am
+  permitted to submit under a different license), as indicated
+  in the file; or
+
+* (c) The contribution was provided directly to me by some other
+  person who certified (a), (b) or (c) and I have not modified
+  it.
+
+* (d) I understand and agree that this project and the contribution
+  are public and that a record of the contribution (including all
+  personal information I submit with it, including my sign-off) is
+  maintained indefinitely and may be redistributed consistent with
+  this project or the open source license(s) involved.
+
+## Moderation Policy
+
+The [Node.js Moderation Policy] applies to this WG.
+
+## Code of Conduct
+
+The [Node.js Code of Conduct][] applies to this WG.
+
+[Node.js Code of Conduct]:
+https://github.com/nodejs/node/blob/master/CODE_OF_CONDUCT.md
+[Node.js Moderation Policy]:
+https://github.com/nodejs/TSC/blob/master/Moderation-Policy.md

node_modules/through2/node_modules/readable-stream/GOVERNANCE.md

@@ -0,0 +1,136 @@
+### Streams Working Group
+
+The Node.js Streams is jointly governed by a Working Group
+(WG)
+that is responsible for high-level guidance of the project.
+
+The WG has final authority over this project including:
+
+* Technical direction
+* Project governance and process (including this policy)
+* Contribution policy
+* GitHub repository hosting
+* Conduct guidelines
+* Maintaining the list of additional Collaborators
+
+For the current list of WG members, see the project
+[README.md](./README.md#current-project-team-members).
+
+### Collaborators
+
+The readable-stream GitHub repository is
+maintained by the WG and additional Collaborators who are added by the
+WG on an ongoing basis.
+
+Individuals making significant and valuable contributions are made
+Collaborators and given commit-access to the project. These
+individuals are identified by the WG and their addition as
+Collaborators is discussed during the WG meeting.
+
+_Note:_ If you make a significant contribution and are not considered
+for commit-access log an issue or contact a WG member directly and it
+will be brought up in the next WG meeting.
+
+Modifications of the contents of the readable-stream repository are
+made on
+a collaborative basis. Anybody with a GitHub account may propose a
+modification via pull request and it will be considered by the project
+Collaborators. All pull requests must be reviewed and accepted by a
+Collaborator with sufficient expertise who is able to take full
+responsibility for the change. In the case of pull requests proposed
+by an existing Collaborator, an additional Collaborator is required
+for sign-off. Consensus should be sought if additional Collaborators
+participate and there is disagreement around a particular
+modification. See _Consensus Seeking Process_ below for further detail
+on the consensus model used for governance.
+
+Collaborators may opt to elevate significant or controversial
+modifications, or modifications that have not found consensus to the
+WG for discussion by assigning the ***WG-agenda*** tag to a pull
+request or issue. The WG should serve as the final arbiter where
+required.
+
+For the current list of Collaborators, see the project
+[README.md](./README.md#members).
+
+### WG Membership
+
+WG seats are not time-limited.  There is no fixed size of the WG.
+However, the expected target is between 6 and 12, to ensure adequate
+coverage of important areas of expertise, balanced with the ability to
+make decisions efficiently.
+
+There is no specific set of requirements or qualifications for WG
+membership beyond these rules.
+
+The WG may add additional members to the WG by unanimous consensus.
+
+A WG member may be removed from the WG by voluntary resignation, or by
+unanimous consensus of all other WG members.
+
+Changes to WG membership should be posted in the agenda, and may be
+suggested as any other agenda item (see "WG Meetings" below).
+
+If an addition or removal is proposed during a meeting, and the full
+WG is not in attendance to participate, then the addition or removal
+is added to the agenda for the subsequent meeting.  This is to ensure
+that all members are given the opportunity to participate in all
+membership decisions.  If a WG member is unable to attend a meeting
+where a planned membership decision is being made, then their consent
+is assumed.
+
+No more than 1/3 of the WG members may be affiliated with the same
+employer.  If removal or resignation of a WG member, or a change of
+employment by a WG member, creates a situation where more than 1/3 of
+the WG membership shares an employer, then the situation must be
+immediately remedied by the resignation or removal of one or more WG
+members affiliated with the over-represented employer(s).
+
+### WG Meetings
+
+The WG meets occasionally on a Google Hangout On Air. A designated moderator
+approved by the WG runs the meeting. Each meeting should be
+published to YouTube.
+
+Items are added to the WG agenda that are considered contentious or
+are modifications of governance, contribution policy, WG membership,
+or release process.
+
+The intention of the agenda is not to approve or review all patches;
+that should happen continuously on GitHub and be handled by the larger
+group of Collaborators.
+
+Any community member or contributor can ask that something be added to
+the next meeting's agenda by logging a GitHub Issue. Any Collaborator,
+WG member or the moderator can add the item to the agenda by adding
+the ***WG-agenda*** tag to the issue.
+
+Prior to each WG meeting the moderator will share the Agenda with
+members of the WG. WG members can add any items they like to the
+agenda at the beginning of each meeting. The moderator and the WG
+cannot veto or remove items.
+
+The WG may invite persons or representatives from certain projects to
+participate in a non-voting capacity.
+
+The moderator is responsible for summarizing the discussion of each
+agenda item and sends it as a pull request after the meeting.
+
+### Consensus Seeking Process
+
+The WG follows a
+[Consensus
+Seeking](http://en.wikipedia.org/wiki/Consensus-seeking_decision-making)
+decision-making model.
+
+When an agenda item has appeared to reach a consensus the moderator
+will ask "Does anyone object?" as a final call for dissent from the
+consensus.
+
+If an agenda item cannot reach a consensus a WG member can call for
+either a closing vote or a vote to table the issue to the next
+meeting. The call for a vote must be seconded by a majority of the WG
+or else the discussion will continue. Simple majority wins.
+
+Note that changes to WG membership require a majority consensus.  See
+"WG Membership" above.

node_modules/through2/node_modules/readable-stream/LICENSE

@@ -0,0 +1,47 @@
+Node.js is licensed for use as follows:
+
+"""
+Copyright Node.js contributors. All rights reserved.
+
+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.
+"""
+
+This license applies to parts of Node.js originating from the
+https://github.com/joyent/node repository:
+
+"""
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+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.
+"""

node_modules/through2/node_modules/readable-stream/README.md

@@ -0,0 +1,106 @@
+# readable-stream
+
+***Node.js core streams for userland*** [![Build Status](https://travis-ci.com/nodejs/readable-stream.svg?branch=master)](https://travis-ci.com/nodejs/readable-stream)
+
+
+[![NPM](https://nodei.co/npm/readable-stream.png?downloads=true&downloadRank=true)](https://nodei.co/npm/readable-stream/)
+[![NPM](https://nodei.co/npm-dl/readable-stream.png?&months=6&height=3)](https://nodei.co/npm/readable-stream/)
+
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/readabe-stream.svg)](https://saucelabs.com/u/readabe-stream)
+
+```bash
+npm install --save readable-stream
+```
+
+This package is a mirror of the streams implementations in Node.js.
+
+Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v10.19.0/docs/api/stream.html).
+
+If you want to guarantee a stable streams base, regardless of what version of
+Node you, or the users of your libraries are using, use **readable-stream** *only* and avoid the *"stream"* module in Node-core, for background see [this blogpost](http://r.va.gg/2014/06/why-i-dont-use-nodes-core-stream-module.html).
+
+As of version 2.0.0 **readable-stream** uses semantic versioning.
+
+## Version 3.x.x
+
+v3.x.x of `readable-stream` is a cut from Node 10. This version supports Node 6, 8, and 10, as well as evergreen browsers, IE 11 and latest Safari. The breaking changes introduced by v3 are composed by the combined breaking changes in [Node v9](https://nodejs.org/en/blog/release/v9.0.0/) and [Node v10](https://nodejs.org/en/blog/release/v10.0.0/), as follows:
+
+1. Error codes: https://github.com/nodejs/node/pull/13310,
+   https://github.com/nodejs/node/pull/13291,
+   https://github.com/nodejs/node/pull/16589,
+   https://github.com/nodejs/node/pull/15042,
+   https://github.com/nodejs/node/pull/15665,
+   https://github.com/nodejs/readable-stream/pull/344
+2. 'readable' have precedence over flowing
+   https://github.com/nodejs/node/pull/18994
+3. make virtual methods errors consistent
+   https://github.com/nodejs/node/pull/18813
+4. updated streams error handling
+   https://github.com/nodejs/node/pull/18438
+5. writable.end should return this.
+   https://github.com/nodejs/node/pull/18780
+6. readable continues to read when push('')
+   https://github.com/nodejs/node/pull/18211
+7. add custom inspect to BufferList
+   https://github.com/nodejs/node/pull/17907
+8. always defer 'readable' with nextTick
+   https://github.com/nodejs/node/pull/17979
+
+## Version 2.x.x
+v2.x.x of `readable-stream` is a cut of the stream module from Node 8 (there have been no semver-major changes from Node 4 to 8). This version supports all Node.js versions from 0.8, as well as evergreen browsers and IE 10 & 11.
+
+### Big Thanks
+
+Cross-browser Testing Platform and Open Source <3 Provided by [Sauce Labs][sauce]
+
+# Usage
+
+You can swap your `require('stream')` with `require('readable-stream')`
+without any changes, if you are just using one of the main classes and
+functions.
+
+```js
+const {
+  Readable,
+  Writable,
+  Transform,
+  Duplex,
+  pipeline,
+  finished
+} = require('readable-stream')
+````
+
+Note that `require('stream')` will return `Stream`, while
+`require('readable-stream')` will return `Readable`. We discourage using
+whatever is exported directly, but rather use one of the properties as
+shown in the example above.
+
+# Streams Working Group
+
+`readable-stream` is maintained by the Streams Working Group, which
+oversees the development and maintenance of the Streams API within
+Node.js. The responsibilities of the Streams Working Group include:
+
+* Addressing stream issues on the Node.js issue tracker.
+* Authoring and editing stream documentation within the Node.js project.
+* Reviewing changes to stream subclasses within the Node.js project.
+* Redirecting changes to streams from the Node.js project to this
+  project.
+* Assisting in the implementation of stream providers within Node.js.
+* Recommending versions of `readable-stream` to be included in Node.js.
+* Messaging about the future of streams to give the community advance
+  notice of changes.
+
+<a name="members"></a>
+## Team Members
+
+* **Calvin Metcalf** ([@calvinmetcalf](https://github.com/calvinmetcalf)) &lt;calvin.metcalf@gmail.com&gt;
+  - Release GPG key: F3EF5F62A87FC27A22E643F714CE4FF5015AA242
+* **Mathias Buus** ([@mafintosh](https://github.com/mafintosh)) &lt;mathiasbuus@gmail.com&gt;
+* **Matteo Collina** ([@mcollina](https://github.com/mcollina)) &lt;matteo.collina@gmail.com&gt;
+  - Release GPG key: 3ABC01543F22DD2239285CDD818674489FBC127E
+* **Irina Shestak** ([@lrlna](https://github.com/lrlna)) &lt;shestak.irina@gmail.com&gt;
+* **Yoshua Wyuts** ([@yoshuawuyts](https://github.com/yoshuawuyts)) &lt;yoshuawuyts@gmail.com&gt;
+
+[sauce]: https://saucelabs.com

node_modules/through2/node_modules/readable-stream/errors-browser.js

@@ -0,0 +1,127 @@
+'use strict';
+
+function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }
+
+var codes = {};
+
+function createErrorType(code, message, Base) {
+  if (!Base) {
+    Base = Error;
+  }
+
+  function getMessage(arg1, arg2, arg3) {
+    if (typeof message === 'string') {
+      return message;
+    } else {
+      return message(arg1, arg2, arg3);
+    }
+  }
+
+  var NodeError =
+  /*#__PURE__*/
+  function (_Base) {
+    _inheritsLoose(NodeError, _Base);
+
+    function NodeError(arg1, arg2, arg3) {
+      return _Base.call(this, getMessage(arg1, arg2, arg3)) || this;
+    }
+
+    return NodeError;
+  }(Base);
+
+  NodeError.prototype.name = Base.name;
+  NodeError.prototype.code = code;
+  codes[code] = NodeError;
+} // https://github.com/nodejs/node/blob/v10.8.0/lib/internal/errors.js
+
+
+function oneOf(expected, thing) {
+  if (Array.isArray(expected)) {
+    var len = expected.length;
+    expected = expected.map(function (i) {
+      return String(i);
+    });
+
+    if (len > 2) {
+      return "one of ".concat(thing, " ").concat(expected.slice(0, len - 1).join(', '), ", or ") + expected[len - 1];
+    } else if (len === 2) {
+      return "one of ".concat(thing, " ").concat(expected[0], " or ").concat(expected[1]);
+    } else {
+      return "of ".concat(thing, " ").concat(expected[0]);
+    }
+  } else {
+    return "of ".concat(thing, " ").concat(String(expected));
+  }
+} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith
+
+
+function startsWith(str, search, pos) {
+  return str.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
+} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith
+
+
+function endsWith(str, search, this_len) {
+  if (this_len === undefined || this_len > str.length) {
+    this_len = str.length;
+  }
+
+  return str.substring(this_len - search.length, this_len) === search;
+} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes
+
+
+function includes(str, search, start) {
+  if (typeof start !== 'number') {
+    start = 0;
+  }
+
+  if (start + search.length > str.length) {
+    return false;
+  } else {
+    return str.indexOf(search, start) !== -1;
+  }
+}
+
+createErrorType('ERR_INVALID_OPT_VALUE', function (name, value) {
+  return 'The value "' + value + '" is invalid for option "' + name + '"';
+}, TypeError);
+createErrorType('ERR_INVALID_ARG_TYPE', function (name, expected, actual) {
+  // determiner: 'must be' or 'must not be'
+  var determiner;
+
+  if (typeof expected === 'string' && startsWith(expected, 'not ')) {
+    determiner = 'must not be';
+    expected = expected.replace(/^not /, '');
+  } else {
+    determiner = 'must be';
+  }
+
+  var msg;
+
+  if (endsWith(name, ' argument')) {
+    // For cases like 'first argument'
+    msg = "The ".concat(name, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
+  } else {
+    var type = includes(name, '.') ? 'property' : 'argument';
+    msg = "The \"".concat(name, "\" ").concat(type, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
+  }
+
+  msg += ". Received type ".concat(typeof actual);
+  return msg;
+}, TypeError);
+createErrorType('ERR_STREAM_PUSH_AFTER_EOF', 'stream.push() after EOF');
+createErrorType('ERR_METHOD_NOT_IMPLEMENTED', function (name) {
+  return 'The ' + name + ' method is not implemented';
+});
+createErrorType('ERR_STREAM_PREMATURE_CLOSE', 'Premature close');
+createErrorType('ERR_STREAM_DESTROYED', function (name) {
+  return 'Cannot call ' + name + ' after a stream was destroyed';
+});
+createErrorType('ERR_MULTIPLE_CALLBACK', 'Callback called multiple times');
+createErrorType('ERR_STREAM_CANNOT_PIPE', 'Cannot pipe, not readable');
+createErrorType('ERR_STREAM_WRITE_AFTER_END', 'write after end');
+createErrorType('ERR_STREAM_NULL_VALUES', 'May not write null values to stream', TypeError);
+createErrorType('ERR_UNKNOWN_ENCODING', function (arg) {
+  return 'Unknown encoding: ' + arg;
+}, TypeError);
+createErrorType('ERR_STREAM_UNSHIFT_AFTER_END_EVENT', 'stream.unshift() after end event');
+module.exports.codes = codes;

node_modules/through2/node_modules/readable-stream/errors.js

@@ -0,0 +1,116 @@
+'use strict';
+
+const codes = {};
+
+function createErrorType(code, message, Base) {
+  if (!Base) {
+    Base = Error
+  }
+
+  function getMessage (arg1, arg2, arg3) {
+    if (typeof message === 'string') {
+      return message
+    } else {
+      return message(arg1, arg2, arg3)
+    }
+  }
+
+  class NodeError extends Base {
+    constructor (arg1, arg2, arg3) {
+      super(getMessage(arg1, arg2, arg3));
+    }
+  }
+
+  NodeError.prototype.name = Base.name;
+  NodeError.prototype.code = code;
+
+  codes[code] = NodeError;
+}
+
+// https://github.com/nodejs/node/blob/v10.8.0/lib/internal/errors.js
+function oneOf(expected, thing) {
+  if (Array.isArray(expected)) {
+    const len = expected.length;
+    expected = expected.map((i) => String(i));
+    if (len > 2) {
+      return `one of ${thing} ${expected.slice(0, len - 1).join(', ')}, or ` +
+             expected[len - 1];
+    } else if (len === 2) {
+      return `one of ${thing} ${expected[0]} or ${expected[1]}`;
+    } else {
+      return `of ${thing} ${expected[0]}`;
+    }
+  } else {
+    return `of ${thing} ${String(expected)}`;
+  }
+}
+
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith
+function startsWith(str, search, pos) {
+	return str.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
+}
+
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith
+function endsWith(str, search, this_len) {
+	if (this_len === undefined || this_len > str.length) {
+		this_len = str.length;
+	}
+	return str.substring(this_len - search.length, this_len) === search;
+}
+
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes
+function includes(str, search, start) {
+  if (typeof start !== 'number') {
+    start = 0;
+  }
+
+  if (start + search.length > str.length) {
+    return false;
+  } else {
+    return str.indexOf(search, start) !== -1;
+  }
+}
+
+createErrorType('ERR_INVALID_OPT_VALUE', function (name, value) {
+  return 'The value "' + value + '" is invalid for option "' + name + '"'
+}, TypeError);
+createErrorType('ERR_INVALID_ARG_TYPE', function (name, expected, actual) {
+  // determiner: 'must be' or 'must not be'
+  let determiner;
+  if (typeof expected === 'string' && startsWith(expected, 'not ')) {
+    determiner = 'must not be';
+    expected = expected.replace(/^not /, '');
+  } else {
+    determiner = 'must be';
+  }
+
+  let msg;
+  if (endsWith(name, ' argument')) {
+    // For cases like 'first argument'
+    msg = `The ${name} ${determiner} ${oneOf(expected, 'type')}`;
+  } else {
+    const type = includes(name, '.') ? 'property' : 'argument';
+    msg = `The "${name}" ${type} ${determiner} ${oneOf(expected, 'type')}`;
+  }
+
+  msg += `. Received type ${typeof actual}`;
+  return msg;
+}, TypeError);
+createErrorType('ERR_STREAM_PUSH_AFTER_EOF', 'stream.push() after EOF');
+createErrorType('ERR_METHOD_NOT_IMPLEMENTED', function (name) {
+  return 'The ' + name + ' method is not implemented'
+});
+createErrorType('ERR_STREAM_PREMATURE_CLOSE', 'Premature close');
+createErrorType('ERR_STREAM_DESTROYED', function (name) {
+  return 'Cannot call ' + name + ' after a stream was destroyed';
+});
+createErrorType('ERR_MULTIPLE_CALLBACK', 'Callback called multiple times');
+createErrorType('ERR_STREAM_CANNOT_PIPE', 'Cannot pipe, not readable');
+createErrorType('ERR_STREAM_WRITE_AFTER_END', 'write after end');
+createErrorType('ERR_STREAM_NULL_VALUES', 'May not write null values to stream', TypeError);
+createErrorType('ERR_UNKNOWN_ENCODING', function (arg) {
+  return 'Unknown encoding: ' + arg
+}, TypeError);
+createErrorType('ERR_STREAM_UNSHIFT_AFTER_END_EVENT', 'stream.unshift() after end event');
+
+module.exports.codes = codes;

node_modules/through2/node_modules/readable-stream/experimentalWarning.js

@@ -0,0 +1,17 @@
+'use strict'
+
+var experimentalWarnings = new Set();
+
+function emitExperimentalWarning(feature) {
+  if (experimentalWarnings.has(feature)) return;
+  var msg = feature + ' is an experimental feature. This feature could ' +
+       'change at any time';
+  experimentalWarnings.add(feature);
+  process.emitWarning(msg, 'ExperimentalWarning');
+}
+
+function noop() {}
+
+module.exports.emitExperimentalWarning = process.emitWarning
+  ? emitExperimentalWarning
+  : noop;

node_modules/through2/node_modules/readable-stream/lib/_stream_duplex.js

@@ -0,0 +1,139 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// 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.
+// a duplex stream is just a stream that is both readable and writable.
+// Since JS doesn't have multiple prototypal inheritance, this class
+// prototypally inherits from Readable, and then parasitically from
+// Writable.
+'use strict';
+/*<replacement>*/
+
+var objectKeys = Object.keys || function (obj) {
+  var keys = [];
+
+  for (var key in obj) {
+    keys.push(key);
+  }
+
+  return keys;
+};
+/*</replacement>*/
+
+
+module.exports = Duplex;
+
+var Readable = require('./_stream_readable');
+
+var Writable = require('./_stream_writable');
+
+require('inherits')(Duplex, Readable);
+
+{
+  // Allow the keys array to be GC'ed.
+  var keys = objectKeys(Writable.prototype);
+
+  for (var v = 0; v < keys.length; v++) {
+    var method = keys[v];
+    if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
+  }
+}
+
+function Duplex(options) {
+  if (!(this instanceof Duplex)) return new Duplex(options);
+  Readable.call(this, options);
+  Writable.call(this, options);
+  this.allowHalfOpen = true;
+
+  if (options) {
+    if (options.readable === false) this.readable = false;
+    if (options.writable === false) this.writable = false;
+
+    if (options.allowHalfOpen === false) {
+      this.allowHalfOpen = false;
+      this.once('end', onend);
+    }
+  }
+}
+
+Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState.highWaterMark;
+  }
+});
+Object.defineProperty(Duplex.prototype, 'writableBuffer', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState && this._writableState.getBuffer();
+  }
+});
+Object.defineProperty(Duplex.prototype, 'writableLength', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState.length;
+  }
+}); // the no-half-open enforcer
+
+function onend() {
+  // If the writable side ended, then we're ok.
+  if (this._writableState.ended) return; // no more data can be written.
+  // But allow more writes to happen in this tick.
+
+  process.nextTick(onEndNT, this);
+}
+
+function onEndNT(self) {
+  self.end();
+}
+
+Object.defineProperty(Duplex.prototype, 'destroyed', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return false;
+    }
+
+    return this._readableState.destroyed && this._writableState.destroyed;
+  },
+  set: function set(value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return;
+    } // backward compatibility, the user is explicitly
+    // managing destroyed
+
+
+    this._readableState.destroyed = value;
+    this._writableState.destroyed = value;
+  }
+});

node_modules/through2/node_modules/readable-stream/lib/_stream_passthrough.js

@@ -0,0 +1,39 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// 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.
+// a passthrough stream.
+// basically just the most minimal sort of Transform stream.
+// Every written chunk gets output as-is.
+'use strict';
+
+module.exports = PassThrough;
+
+var Transform = require('./_stream_transform');
+
+require('inherits')(PassThrough, Transform);
+
+function PassThrough(options) {
+  if (!(this instanceof PassThrough)) return new PassThrough(options);
+  Transform.call(this, options);
+}
+
+PassThrough.prototype._transform = function (chunk, encoding, cb) {
+  cb(null, chunk);
+};

node_modules/through2/node_modules/readable-stream/lib/_stream_transform.js

@@ -0,0 +1,201 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// 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.
+// a transform stream is a readable/writable stream where you do
+// something with the data.  Sometimes it's called a "filter",
+// but that's not a great name for it, since that implies a thing where
+// some bits pass through, and others are simply ignored.  (That would
+// be a valid example of a transform, of course.)
+//
+// While the output is causally related to the input, it's not a
+// necessarily symmetric or synchronous transformation.  For example,
+// a zlib stream might take multiple plain-text writes(), and then
+// emit a single compressed chunk some time in the future.
+//
+// Here's how this works:
+//
+// The Transform stream has all the aspects of the readable and writable
+// stream classes.  When you write(chunk), that calls _write(chunk,cb)
+// internally, and returns false if there's a lot of pending writes
+// buffered up.  When you call read(), that calls _read(n) until
+// there's enough pending readable data buffered up.
+//
+// In a transform stream, the written data is placed in a buffer.  When
+// _read(n) is called, it transforms the queued up data, calling the
+// buffered _write cb's as it consumes chunks.  If consuming a single
+// written chunk would result in multiple output chunks, then the first
+// outputted bit calls the readcb, and subsequent chunks just go into
+// the read buffer, and will cause it to emit 'readable' if necessary.
+//
+// This way, back-pressure is actually determined by the reading side,
+// since _read has to be called to start processing a new chunk.  However,
+// a pathological inflate type of transform can cause excessive buffering
+// here.  For example, imagine a stream where every byte of input is
+// interpreted as an integer from 0-255, and then results in that many
+// bytes of output.  Writing the 4 bytes {ff,ff,ff,ff} would result in
+// 1kb of data being output.  In this case, you could write a very small
+// amount of input, and end up with a very large amount of output.  In
+// such a pathological inflating mechanism, there'd be no way to tell
+// the system to stop doing the transform.  A single 4MB write could
+// cause the system to run out of memory.
+//
+// However, even in such a pathological case, only a single written chunk
+// would be consumed, and then the rest would wait (un-transformed) until
+// the results of the previous transformed chunk were consumed.
+'use strict';
+
+module.exports = Transform;
+
+var _require$codes = require('../errors').codes,
+    ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
+    ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK,
+    ERR_TRANSFORM_ALREADY_TRANSFORMING = _require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING,
+    ERR_TRANSFORM_WITH_LENGTH_0 = _require$codes.ERR_TRANSFORM_WITH_LENGTH_0;
+
+var Duplex = require('./_stream_duplex');
+
+require('inherits')(Transform, Duplex);
+
+function afterTransform(er, data) {
+  var ts = this._transformState;
+  ts.transforming = false;
+  var cb = ts.writecb;
+
+  if (cb === null) {
+    return this.emit('error', new ERR_MULTIPLE_CALLBACK());
+  }
+
+  ts.writechunk = null;
+  ts.writecb = null;
+  if (data != null) // single equals check for both `null` and `undefined`
+    this.push(data);
+  cb(er);
+  var rs = this._readableState;
+  rs.reading = false;
+
+  if (rs.needReadable || rs.length < rs.highWaterMark) {
+    this._read(rs.highWaterMark);
+  }
+}
+
+function Transform(options) {
+  if (!(this instanceof Transform)) return new Transform(options);
+  Duplex.call(this, options);
+  this._transformState = {
+    afterTransform: afterTransform.bind(this),
+    needTransform: false,
+    transforming: false,
+    writecb: null,
+    writechunk: null,
+    writeencoding: null
+  }; // start out asking for a readable event once data is transformed.
+
+  this._readableState.needReadable = true; // we have implemented the _read method, and done the other things
+  // that Readable wants before the first _read call, so unset the
+  // sync guard flag.
+
+  this._readableState.sync = false;
+
+  if (options) {
+    if (typeof options.transform === 'function') this._transform = options.transform;
+    if (typeof options.flush === 'function') this._flush = options.flush;
+  } // When the writable side finishes, then flush out anything remaining.
+
+
+  this.on('prefinish', prefinish);
+}
+
+function prefinish() {
+  var _this = this;
+
+  if (typeof this._flush === 'function' && !this._readableState.destroyed) {
+    this._flush(function (er, data) {
+      done(_this, er, data);
+    });
+  } else {
+    done(this, null, null);
+  }
+}
+
+Transform.prototype.push = function (chunk, encoding) {
+  this._transformState.needTransform = false;
+  return Duplex.prototype.push.call(this, chunk, encoding);
+}; // This is the part where you do stuff!
+// override this function in implementation classes.
+// 'chunk' is an input chunk.
+//
+// Call `push(newChunk)` to pass along transformed output
+// to the readable side.  You may call 'push' zero or more times.
+//
+// Call `cb(err)` when you are done with this chunk.  If you pass
+// an error, then that'll put the hurt on the whole operation.  If you
+// never call cb(), then you'll never get another chunk.
+
+
+Transform.prototype._transform = function (chunk, encoding, cb) {
+  cb(new ERR_METHOD_NOT_IMPLEMENTED('_transform()'));
+};
+
+Transform.prototype._write = function (chunk, encoding, cb) {
+  var ts = this._transformState;
+  ts.writecb = cb;
+  ts.writechunk = chunk;
+  ts.writeencoding = encoding;
+
+  if (!ts.transforming) {
+    var rs = this._readableState;
+    if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
+  }
+}; // Doesn't matter what the args are here.
+// _transform does all the work.
+// That we got here means that the readable side wants more data.
+
+
+Transform.prototype._read = function (n) {
+  var ts = this._transformState;
+
+  if (ts.writechunk !== null && !ts.transforming) {
+    ts.transforming = true;
+
+    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
+  } else {
+    // mark that we need a transform, so that any data that comes in
+    // will get processed, now that we've asked for it.
+    ts.needTransform = true;
+  }
+};
+
+Transform.prototype._destroy = function (err, cb) {
+  Duplex.prototype._destroy.call(this, err, function (err2) {
+    cb(err2);
+  });
+};
+
+function done(stream, er, data) {
+  if (er) return stream.emit('error', er);
+  if (data != null) // single equals check for both `null` and `undefined`
+    stream.push(data); // TODO(BridgeAR): Write a test for these two error cases
+  // if there's nothing in the write buffer, then that means
+  // that nothing more will ever be provided
+
+  if (stream._writableState.length) throw new ERR_TRANSFORM_WITH_LENGTH_0();
+  if (stream._transformState.transforming) throw new ERR_TRANSFORM_ALREADY_TRANSFORMING();
+  return stream.push(null);
+}

node_modules/through2/node_modules/readable-stream/lib/_stream_writable.js

@@ -0,0 +1,697 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// 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.
+// A bit simpler than readable streams.
+// Implement an async ._write(chunk, encoding, cb), and it'll handle all
+// the drain event emission and buffering.
+'use strict';
+
+module.exports = Writable;
+/* <replacement> */
+
+function WriteReq(chunk, encoding, cb) {
+  this.chunk = chunk;
+  this.encoding = encoding;
+  this.callback = cb;
+  this.next = null;
+} // It seems a linked list but it is not
+// there will be only 2 of these for each stream
+
+
+function CorkedRequest(state) {
+  var _this = this;
+
+  this.next = null;
+  this.entry = null;
+
+  this.finish = function () {
+    onCorkedFinish(_this, state);
+  };
+}
+/* </replacement> */
+
+/*<replacement>*/
+
+
+var Duplex;
+/*</replacement>*/
+
+Writable.WritableState = WritableState;
+/*<replacement>*/
+
+var internalUtil = {
+  deprecate: require('util-deprecate')
+};
+/*</replacement>*/
+
+/*<replacement>*/
+
+var Stream = require('./internal/streams/stream');
+/*</replacement>*/
+
+
+var Buffer = require('buffer').Buffer;
+
+var OurUint8Array = global.Uint8Array || function () {};
+
+function _uint8ArrayToBuffer(chunk) {
+  return Buffer.from(chunk);
+}
+
+function _isUint8Array(obj) {
+  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+
+var destroyImpl = require('./internal/streams/destroy');
+
+var _require = require('./internal/streams/state'),
+    getHighWaterMark = _require.getHighWaterMark;
+
+var _require$codes = require('../errors').codes,
+    ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE,
+    ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
+    ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK,
+    ERR_STREAM_CANNOT_PIPE = _require$codes.ERR_STREAM_CANNOT_PIPE,
+    ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED,
+    ERR_STREAM_NULL_VALUES = _require$codes.ERR_STREAM_NULL_VALUES,
+    ERR_STREAM_WRITE_AFTER_END = _require$codes.ERR_STREAM_WRITE_AFTER_END,
+    ERR_UNKNOWN_ENCODING = _require$codes.ERR_UNKNOWN_ENCODING;
+
+var errorOrDestroy = destroyImpl.errorOrDestroy;
+
+require('inherits')(Writable, Stream);
+
+function nop() {}
+
+function WritableState(options, stream, isDuplex) {
+  Duplex = Duplex || require('./_stream_duplex');
+  options = options || {}; // Duplex streams are both readable and writable, but share
+  // the same options object.
+  // However, some cases require setting options to different
+  // values for the readable and the writable sides of the duplex stream,
+  // e.g. options.readableObjectMode vs. options.writableObjectMode, etc.
+
+  if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; // object stream flag to indicate whether or not this stream
+  // contains buffers or objects.
+
+  this.objectMode = !!options.objectMode;
+  if (isDuplex) this.objectMode = this.objectMode || !!options.writableObjectMode; // the point at which write() starts returning false
+  // Note: 0 is a valid value, means that we always return false if
+  // the entire buffer is not flushed immediately on write()
+
+  this.highWaterMark = getHighWaterMark(this, options, 'writableHighWaterMark', isDuplex); // if _final has been called
+
+  this.finalCalled = false; // drain event flag.
+
+  this.needDrain = false; // at the start of calling end()
+
+  this.ending = false; // when end() has been called, and returned
+
+  this.ended = false; // when 'finish' is emitted
+
+  this.finished = false; // has it been destroyed
+
+  this.destroyed = false; // should we decode strings into buffers before passing to _write?
+  // this is here so that some node-core streams can optimize string
+  // handling at a lower level.
+
+  var noDecode = options.decodeStrings === false;
+  this.decodeStrings = !noDecode; // Crypto is kind of old and crusty.  Historically, its default string
+  // encoding is 'binary' so we have to make this configurable.
+  // Everything else in the universe uses 'utf8', though.
+
+  this.defaultEncoding = options.defaultEncoding || 'utf8'; // not an actual buffer we keep track of, but a measurement
+  // of how much we're waiting to get pushed to some underlying
+  // socket or file.
+
+  this.length = 0; // a flag to see when we're in the middle of a write.
+
+  this.writing = false; // when true all writes will be buffered until .uncork() call
+
+  this.corked = 0; // a flag to be able to tell if the onwrite cb is called immediately,
+  // or on a later tick.  We set this to true at first, because any
+  // actions that shouldn't happen until "later" should generally also
+  // not happen before the first write call.
+
+  this.sync = true; // a flag to know if we're processing previously buffered items, which
+  // may call the _write() callback in the same tick, so that we don't
+  // end up in an overlapped onwrite situation.
+
+  this.bufferProcessing = false; // the callback that's passed to _write(chunk,cb)
+
+  this.onwrite = function (er) {
+    onwrite(stream, er);
+  }; // the callback that the user supplies to write(chunk,encoding,cb)
+
+
+  this.writecb = null; // the amount that is being written when _write is called.
+
+  this.writelen = 0;
+  this.bufferedRequest = null;
+  this.lastBufferedRequest = null; // number of pending user-supplied write callbacks
+  // this must be 0 before 'finish' can be emitted
+
+  this.pendingcb = 0; // emit prefinish if the only thing we're waiting for is _write cbs
+  // This is relevant for synchronous Transform streams
+
+  this.prefinished = false; // True if the error was already emitted and should not be thrown again
+
+  this.errorEmitted = false; // Should close be emitted on destroy. Defaults to true.
+
+  this.emitClose = options.emitClose !== false; // Should .destroy() be called after 'finish' (and potentially 'end')
+
+  this.autoDestroy = !!options.autoDestroy; // count buffered requests
+
+  this.bufferedRequestCount = 0; // allocate the first CorkedRequest, there is always
+  // one allocated and free to use, and we maintain at most two
+
+  this.corkedRequestsFree = new CorkedRequest(this);
+}
+
+WritableState.prototype.getBuffer = function getBuffer() {
+  var current = this.bufferedRequest;
+  var out = [];
+
+  while (current) {
+    out.push(current);
+    current = current.next;
+  }
+
+  return out;
+};
+
+(function () {
+  try {
+    Object.defineProperty(WritableState.prototype, 'buffer', {
+      get: internalUtil.deprecate(function writableStateBufferGetter() {
+        return this.getBuffer();
+      }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003')
+    });
+  } catch (_) {}
+})(); // Test _writableState for inheritance to account for Duplex streams,
+// whose prototype chain only points to Readable.
+
+
+var realHasInstance;
+
+if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {
+  realHasInstance = Function.prototype[Symbol.hasInstance];
+  Object.defineProperty(Writable, Symbol.hasInstance, {
+    value: function value(object) {
+      if (realHasInstance.call(this, object)) return true;
+      if (this !== Writable) return false;
+      return object && object._writableState instanceof WritableState;
+    }
+  });
+} else {
+  realHasInstance = function realHasInstance(object) {
+    return object instanceof this;
+  };
+}
+
+function Writable(options) {
+  Duplex = Duplex || require('./_stream_duplex'); // Writable ctor is applied to Duplexes, too.
+  // `realHasInstance` is necessary because using plain `instanceof`
+  // would return false, as no `_writableState` property is attached.
+  // Trying to use the custom `instanceof` for Writable here will also break the
+  // Node.js LazyTransform implementation, which has a non-trivial getter for
+  // `_writableState` that would lead to infinite recursion.
+  // Checking for a Stream.Duplex instance is faster here instead of inside
+  // the WritableState constructor, at least with V8 6.5
+
+  var isDuplex = this instanceof Duplex;
+  if (!isDuplex && !realHasInstance.call(Writable, this)) return new Writable(options);
+  this._writableState = new WritableState(options, this, isDuplex); // legacy.
+
+  this.writable = true;
+
+  if (options) {
+    if (typeof options.write === 'function') this._write = options.write;
+    if (typeof options.writev === 'function') this._writev = options.writev;
+    if (typeof options.destroy === 'function') this._destroy = options.destroy;
+    if (typeof options.final === 'function') this._final = options.final;
+  }
+
+  Stream.call(this);
+} // Otherwise people can pipe Writable streams, which is just wrong.
+
+
+Writable.prototype.pipe = function () {
+  errorOrDestroy(this, new ERR_STREAM_CANNOT_PIPE());
+};
+
+function writeAfterEnd(stream, cb) {
+  var er = new ERR_STREAM_WRITE_AFTER_END(); // TODO: defer error events consistently everywhere, not just the cb
+
+  errorOrDestroy(stream, er);
+  process.nextTick(cb, er);
+} // Checks that a user-supplied chunk is valid, especially for the particular
+// mode the stream is in. Currently this means that `null` is never accepted
+// and undefined/non-string values are only allowed in object mode.
+
+
+function validChunk(stream, state, chunk, cb) {
+  var er;
+
+  if (chunk === null) {
+    er = new ERR_STREAM_NULL_VALUES();
+  } else if (typeof chunk !== 'string' && !state.objectMode) {
+    er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer'], chunk);
+  }
+
+  if (er) {
+    errorOrDestroy(stream, er);
+    process.nextTick(cb, er);
+    return false;
+  }
+
+  return true;
+}
+
+Writable.prototype.write = function (chunk, encoding, cb) {
+  var state = this._writableState;
+  var ret = false;
+
+  var isBuf = !state.objectMode && _isUint8Array(chunk);
+
+  if (isBuf && !Buffer.isBuffer(chunk)) {
+    chunk = _uint8ArrayToBuffer(chunk);
+  }
+
+  if (typeof encoding === 'function') {
+    cb = encoding;
+    encoding = null;
+  }
+
+  if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
+  if (typeof cb !== 'function') cb = nop;
+  if (state.ending) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) {
+    state.pendingcb++;
+    ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb);
+  }
+  return ret;
+};
+
+Writable.prototype.cork = function () {
+  this._writableState.corked++;
+};
+
+Writable.prototype.uncork = function () {
+  var state = this._writableState;
+
+  if (state.corked) {
+    state.corked--;
+    if (!state.writing && !state.corked && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
+  }
+};
+
+Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
+  // node::ParseEncoding() requires lower case.
+  if (typeof encoding === 'string') encoding = encoding.toLowerCase();
+  if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new ERR_UNKNOWN_ENCODING(encoding);
+  this._writableState.defaultEncoding = encoding;
+  return this;
+};
+
+Object.defineProperty(Writable.prototype, 'writableBuffer', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState && this._writableState.getBuffer();
+  }
+});
+
+function decodeChunk(state, chunk, encoding) {
+  if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
+    chunk = Buffer.from(chunk, encoding);
+  }
+
+  return chunk;
+}
+
+Object.defineProperty(Writable.prototype, 'writableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState.highWaterMark;
+  }
+}); // if we're already writing something, then just put this
+// in the queue, and wait our turn.  Otherwise, call _write
+// If we return false, then we need a drain event, so set that flag.
+
+function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) {
+  if (!isBuf) {
+    var newChunk = decodeChunk(state, chunk, encoding);
+
+    if (chunk !== newChunk) {
+      isBuf = true;
+      encoding = 'buffer';
+      chunk = newChunk;
+    }
+  }
+
+  var len = state.objectMode ? 1 : chunk.length;
+  state.length += len;
+  var ret = state.length < state.highWaterMark; // we must ensure that previous needDrain will not be reset to false.
+
+  if (!ret) state.needDrain = true;
+
+  if (state.writing || state.corked) {
+    var last = state.lastBufferedRequest;
+    state.lastBufferedRequest = {
+      chunk: chunk,
+      encoding: encoding,
+      isBuf: isBuf,
+      callback: cb,
+      next: null
+    };
+
+    if (last) {
+      last.next = state.lastBufferedRequest;
+    } else {
+      state.bufferedRequest = state.lastBufferedRequest;
+    }
+
+    state.bufferedRequestCount += 1;
+  } else {
+    doWrite(stream, state, false, len, chunk, encoding, cb);
+  }
+
+  return ret;
+}
+
+function doWrite(stream, state, writev, len, chunk, encoding, cb) {
+  state.writelen = len;
+  state.writecb = cb;
+  state.writing = true;
+  state.sync = true;
+  if (state.destroyed) state.onwrite(new ERR_STREAM_DESTROYED('write'));else if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
+  state.sync = false;
+}
+
+function onwriteError(stream, state, sync, er, cb) {
+  --state.pendingcb;
+
+  if (sync) {
+    // defer the callback if we are being called synchronously
+    // to avoid piling up things on the stack
+    process.nextTick(cb, er); // this can emit finish, and it will always happen
+    // after error
+
+    process.nextTick(finishMaybe, stream, state);
+    stream._writableState.errorEmitted = true;
+    errorOrDestroy(stream, er);
+  } else {
+    // the caller expect this to happen before if
+    // it is async
+    cb(er);
+    stream._writableState.errorEmitted = true;
+    errorOrDestroy(stream, er); // this can emit finish, but finish must
+    // always follow error
+
+    finishMaybe(stream, state);
+  }
+}
+
+function onwriteStateUpdate(state) {
+  state.writing = false;
+  state.writecb = null;
+  state.length -= state.writelen;
+  state.writelen = 0;
+}
+
+function onwrite(stream, er) {
+  var state = stream._writableState;
+  var sync = state.sync;
+  var cb = state.writecb;
+  if (typeof cb !== 'function') throw new ERR_MULTIPLE_CALLBACK();
+  onwriteStateUpdate(state);
+  if (er) onwriteError(stream, state, sync, er, cb);else {
+    // Check if we're actually ready to finish, but don't emit yet
+    var finished = needFinish(state) || stream.destroyed;
+
+    if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
+      clearBuffer(stream, state);
+    }
+
+    if (sync) {
+      process.nextTick(afterWrite, stream, state, finished, cb);
+    } else {
+      afterWrite(stream, state, finished, cb);
+    }
+  }
+}
+
+function afterWrite(stream, state, finished, cb) {
+  if (!finished) onwriteDrain(stream, state);
+  state.pendingcb--;
+  cb();
+  finishMaybe(stream, state);
+} // Must force callback to be called on nextTick, so that we don't
+// emit 'drain' before the write() consumer gets the 'false' return
+// value, and has a chance to attach a 'drain' listener.
+
+
+function onwriteDrain(stream, state) {
+  if (state.length === 0 && state.needDrain) {
+    state.needDrain = false;
+    stream.emit('drain');
+  }
+} // if there's something in the buffer waiting, then process it
+
+
+function clearBuffer(stream, state) {
+  state.bufferProcessing = true;
+  var entry = state.bufferedRequest;
+
+  if (stream._writev && entry && entry.next) {
+    // Fast case, write everything using _writev()
+    var l = state.bufferedRequestCount;
+    var buffer = new Array(l);
+    var holder = state.corkedRequestsFree;
+    holder.entry = entry;
+    var count = 0;
+    var allBuffers = true;
+
+    while (entry) {
+      buffer[count] = entry;
+      if (!entry.isBuf) allBuffers = false;
+      entry = entry.next;
+      count += 1;
+    }
+
+    buffer.allBuffers = allBuffers;
+    doWrite(stream, state, true, state.length, buffer, '', holder.finish); // doWrite is almost always async, defer these to save a bit of time
+    // as the hot path ends with doWrite
+
+    state.pendingcb++;
+    state.lastBufferedRequest = null;
+
+    if (holder.next) {
+      state.corkedRequestsFree = holder.next;
+      holder.next = null;
+    } else {
+      state.corkedRequestsFree = new CorkedRequest(state);
+    }
+
+    state.bufferedRequestCount = 0;
+  } else {
+    // Slow case, write chunks one-by-one
+    while (entry) {
+      var chunk = entry.chunk;
+      var encoding = entry.encoding;
+      var cb = entry.callback;
+      var len = state.objectMode ? 1 : chunk.length;
+      doWrite(stream, state, false, len, chunk, encoding, cb);
+      entry = entry.next;
+      state.bufferedRequestCount--; // if we didn't call the onwrite immediately, then
+      // it means that we need to wait until it does.
+      // also, that means that the chunk and cb are currently
+      // being processed, so move the buffer counter past them.
+
+      if (state.writing) {
+        break;
+      }
+    }
+
+    if (entry === null) state.lastBufferedRequest = null;
+  }
+
+  state.bufferedRequest = entry;
+  state.bufferProcessing = false;
+}
+
+Writable.prototype._write = function (chunk, encoding, cb) {
+  cb(new ERR_METHOD_NOT_IMPLEMENTED('_write()'));
+};
+
+Writable.prototype._writev = null;
+
+Writable.prototype.end = function (chunk, encoding, cb) {
+  var state = this._writableState;
+
+  if (typeof chunk === 'function') {
+    cb = chunk;
+    chunk = null;
+    encoding = null;
+  } else if (typeof encoding === 'function') {
+    cb = encoding;
+    encoding = null;
+  }
+
+  if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); // .end() fully uncorks
+
+  if (state.corked) {
+    state.corked = 1;
+    this.uncork();
+  } // ignore unnecessary end() calls.
+
+
+  if (!state.ending) endWritable(this, state, cb);
+  return this;
+};
+
+Object.defineProperty(Writable.prototype, 'writableLength', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState.length;
+  }
+});
+
+function needFinish(state) {
+  return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
+}
+
+function callFinal(stream, state) {
+  stream._final(function (err) {
+    state.pendingcb--;
+
+    if (err) {
+      errorOrDestroy(stream, err);
+    }
+
+    state.prefinished = true;
+    stream.emit('prefinish');
+    finishMaybe(stream, state);
+  });
+}
+
+function prefinish(stream, state) {
+  if (!state.prefinished && !state.finalCalled) {
+    if (typeof stream._final === 'function' && !state.destroyed) {
+      state.pendingcb++;
+      state.finalCalled = true;
+      process.nextTick(callFinal, stream, state);
+    } else {
+      state.prefinished = true;
+      stream.emit('prefinish');
+    }
+  }
+}
+
+function finishMaybe(stream, state) {
+  var need = needFinish(state);
+
+  if (need) {
+    prefinish(stream, state);
+
+    if (state.pendingcb === 0) {
+      state.finished = true;
+      stream.emit('finish');
+
+      if (state.autoDestroy) {
+        // In case of duplex streams we need a way to detect
+        // if the readable side is ready for autoDestroy as well
+        var rState = stream._readableState;
+
+        if (!rState || rState.autoDestroy && rState.endEmitted) {
+          stream.destroy();
+        }
+      }
+    }
+  }
+
+  return need;
+}
+
+function endWritable(stream, state, cb) {
+  state.ending = true;
+  finishMaybe(stream, state);
+
+  if (cb) {
+    if (state.finished) process.nextTick(cb);else stream.once('finish', cb);
+  }
+
+  state.ended = true;
+  stream.writable = false;
+}
+
+function onCorkedFinish(corkReq, state, err) {
+  var entry = corkReq.entry;
+  corkReq.entry = null;
+
+  while (entry) {
+    var cb = entry.callback;
+    state.pendingcb--;
+    cb(err);
+    entry = entry.next;
+  } // reuse the free corkReq.
+
+
+  state.corkedRequestsFree.next = corkReq;
+}
+
+Object.defineProperty(Writable.prototype, 'destroyed', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    if (this._writableState === undefined) {
+      return false;
+    }
+
+    return this._writableState.destroyed;
+  },
+  set: function set(value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (!this._writableState) {
+      return;
+    } // backward compatibility, the user is explicitly
+    // managing destroyed
+
+
+    this._writableState.destroyed = value;
+  }
+});
+Writable.prototype.destroy = destroyImpl.destroy;
+Writable.prototype._undestroy = destroyImpl.undestroy;
+
+Writable.prototype._destroy = function (err, cb) {
+  cb(err);
+};

node_modules/through2/node_modules/readable-stream/lib/internal/streams/async_iterator.js

@@ -0,0 +1,207 @@
+'use strict';
+
+var _Object$setPrototypeO;
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+var finished = require('./end-of-stream');
+
+var kLastResolve = Symbol('lastResolve');
+var kLastReject = Symbol('lastReject');
+var kError = Symbol('error');
+var kEnded = Symbol('ended');
+var kLastPromise = Symbol('lastPromise');
+var kHandlePromise = Symbol('handlePromise');
+var kStream = Symbol('stream');
+
+function createIterResult(value, done) {
+  return {
+    value: value,
+    done: done
+  };
+}
+
+function readAndResolve(iter) {
+  var resolve = iter[kLastResolve];
+
+  if (resolve !== null) {
+    var data = iter[kStream].read(); // we defer if data is null
+    // we can be expecting either 'end' or
+    // 'error'
+
+    if (data !== null) {
+      iter[kLastPromise] = null;
+      iter[kLastResolve] = null;
+      iter[kLastReject] = null;
+      resolve(createIterResult(data, false));
+    }
+  }
+}
+
+function onReadable(iter) {
+  // we wait for the next tick, because it might
+  // emit an error with process.nextTick
+  process.nextTick(readAndResolve, iter);
+}
+
+function wrapForNext(lastPromise, iter) {
+  return function (resolve, reject) {
+    lastPromise.then(function () {
+      if (iter[kEnded]) {
+        resolve(createIterResult(undefined, true));
+        return;
+      }
+
+      iter[kHandlePromise](resolve, reject);
+    }, reject);
+  };
+}
+
+var AsyncIteratorPrototype = Object.getPrototypeOf(function () {});
+var ReadableStreamAsyncIteratorPrototype = Object.setPrototypeOf((_Object$setPrototypeO = {
+  get stream() {
+    return this[kStream];
+  },
+
+  next: function next() {
+    var _this = this;
+
+    // if we have detected an error in the meanwhile
+    // reject straight away
+    var error = this[kError];
+
+    if (error !== null) {
+      return Promise.reject(error);
+    }
+
+    if (this[kEnded]) {
+      return Promise.resolve(createIterResult(undefined, true));
+    }
+
+    if (this[kStream].destroyed) {
+      // We need to defer via nextTick because if .destroy(err) is
+      // called, the error will be emitted via nextTick, and
+      // we cannot guarantee that there is no error lingering around
+      // waiting to be emitted.
+      return new Promise(function (resolve, reject) {
+        process.nextTick(function () {
+          if (_this[kError]) {
+            reject(_this[kError]);
+          } else {
+            resolve(createIterResult(undefined, true));
+          }
+        });
+      });
+    } // if we have multiple next() calls
+    // we will wait for the previous Promise to finish
+    // this logic is optimized to support for await loops,
+    // where next() is only called once at a time
+
+
+    var lastPromise = this[kLastPromise];
+    var promise;
+
+    if (lastPromise) {
+      promise = new Promise(wrapForNext(lastPromise, this));
+    } else {
+      // fast path needed to support multiple this.push()
+      // without triggering the next() queue
+      var data = this[kStream].read();
+
+      if (data !== null) {
+        return Promise.resolve(createIterResult(data, false));
+      }
+
+      promise = new Promise(this[kHandlePromise]);
+    }
+
+    this[kLastPromise] = promise;
+    return promise;
+  }
+}, _defineProperty(_Object$setPrototypeO, Symbol.asyncIterator, function () {
+  return this;
+}), _defineProperty(_Object$setPrototypeO, "return", function _return() {
+  var _this2 = this;
+
+  // destroy(err, cb) is a private API
+  // we can guarantee we have that here, because we control the
+  // Readable class this is attached to
+  return new Promise(function (resolve, reject) {
+    _this2[kStream].destroy(null, function (err) {
+      if (err) {
+        reject(err);
+        return;
+      }
+
+      resolve(createIterResult(undefined, true));
+    });
+  });
+}), _Object$setPrototypeO), AsyncIteratorPrototype);
+
+var createReadableStreamAsyncIterator = function createReadableStreamAsyncIterator(stream) {
+  var _Object$create;
+
+  var iterator = Object.create(ReadableStreamAsyncIteratorPrototype, (_Object$create = {}, _defineProperty(_Object$create, kStream, {
+    value: stream,
+    writable: true
+  }), _defineProperty(_Object$create, kLastResolve, {
+    value: null,
+    writable: true
+  }), _defineProperty(_Object$create, kLastReject, {
+    value: null,
+    writable: true
+  }), _defineProperty(_Object$create, kError, {
+    value: null,
+    writable: true
+  }), _defineProperty(_Object$create, kEnded, {
+    value: stream._readableState.endEmitted,
+    writable: true
+  }), _defineProperty(_Object$create, kHandlePromise, {
+    value: function value(resolve, reject) {
+      var data = iterator[kStream].read();
+
+      if (data) {
+        iterator[kLastPromise] = null;
+        iterator[kLastResolve] = null;
+        iterator[kLastReject] = null;
+        resolve(createIterResult(data, false));
+      } else {
+        iterator[kLastResolve] = resolve;
+        iterator[kLastReject] = reject;
+      }
+    },
+    writable: true
+  }), _Object$create));
+  iterator[kLastPromise] = null;
+  finished(stream, function (err) {
+    if (err && err.code !== 'ERR_STREAM_PREMATURE_CLOSE') {
+      var reject = iterator[kLastReject]; // reject if we are waiting for data in the Promise
+      // returned by next() and store the error
+
+      if (reject !== null) {
+        iterator[kLastPromise] = null;
+        iterator[kLastResolve] = null;
+        iterator[kLastReject] = null;
+        reject(err);
+      }
+
+      iterator[kError] = err;
+      return;
+    }
+
+    var resolve = iterator[kLastResolve];
+
+    if (resolve !== null) {
+      iterator[kLastPromise] = null;
+      iterator[kLastResolve] = null;
+      iterator[kLastReject] = null;
+      resolve(createIterResult(undefined, true));
+    }
+
+    iterator[kEnded] = true;
+  });
+  stream.on('readable', onReadable.bind(null, iterator));
+  return iterator;
+};
+
+module.exports = createReadableStreamAsyncIterator;

node_modules/through2/node_modules/readable-stream/lib/internal/streams/buffer_list.js

@@ -0,0 +1,210 @@
+'use strict';
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var _require = require('buffer'),
+    Buffer = _require.Buffer;
+
+var _require2 = require('util'),
+    inspect = _require2.inspect;
+
+var custom = inspect && inspect.custom || 'inspect';
+
+function copyBuffer(src, target, offset) {
+  Buffer.prototype.copy.call(src, target, offset);
+}
+
+module.exports =
+/*#__PURE__*/
+function () {
+  function BufferList() {
+    _classCallCheck(this, BufferList);
+
+    this.head = null;
+    this.tail = null;
+    this.length = 0;
+  }
+
+  _createClass(BufferList, [{
+    key: "push",
+    value: function push(v) {
+      var entry = {
+        data: v,
+        next: null
+      };
+      if (this.length > 0) this.tail.next = entry;else this.head = entry;
+      this.tail = entry;
+      ++this.length;
+    }
+  }, {
+    key: "unshift",
+    value: function unshift(v) {
+      var entry = {
+        data: v,
+        next: this.head
+      };
+      if (this.length === 0) this.tail = entry;
+      this.head = entry;
+      ++this.length;
+    }
+  }, {
+    key: "shift",
+    value: function shift() {
+      if (this.length === 0) return;
+      var ret = this.head.data;
+      if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
+      --this.length;
+      return ret;
+    }
+  }, {
+    key: "clear",
+    value: function clear() {
+      this.head = this.tail = null;
+      this.length = 0;
+    }
+  }, {
+    key: "join",
+    value: function join(s) {
+      if (this.length === 0) return '';
+      var p = this.head;
+      var ret = '' + p.data;
+
+      while (p = p.next) {
+        ret += s + p.data;
+      }
+
+      return ret;
+    }
+  }, {
+    key: "concat",
+    value: function concat(n) {
+      if (this.length === 0) return Buffer.alloc(0);
+      var ret = Buffer.allocUnsafe(n >>> 0);
+      var p = this.head;
+      var i = 0;
+
+      while (p) {
+        copyBuffer(p.data, ret, i);
+        i += p.data.length;
+        p = p.next;
+      }
+
+      return ret;
+    } // Consumes a specified amount of bytes or characters from the buffered data.
+
+  }, {
+    key: "consume",
+    value: function consume(n, hasStrings) {
+      var ret;
+
+      if (n < this.head.data.length) {
+        // `slice` is the same for buffers and strings.
+        ret = this.head.data.slice(0, n);
+        this.head.data = this.head.data.slice(n);
+      } else if (n === this.head.data.length) {
+        // First chunk is a perfect match.
+        ret = this.shift();
+      } else {
+        // Result spans more than one buffer.
+        ret = hasStrings ? this._getString(n) : this._getBuffer(n);
+      }
+
+      return ret;
+    }
+  }, {
+    key: "first",
+    value: function first() {
+      return this.head.data;
+    } // Consumes a specified amount of characters from the buffered data.
+
+  }, {
+    key: "_getString",
+    value: function _getString(n) {
+      var p = this.head;
+      var c = 1;
+      var ret = p.data;
+      n -= ret.length;
+
+      while (p = p.next) {
+        var str = p.data;
+        var nb = n > str.length ? str.length : n;
+        if (nb === str.length) ret += str;else ret += str.slice(0, n);
+        n -= nb;
+
+        if (n === 0) {
+          if (nb === str.length) {
+            ++c;
+            if (p.next) this.head = p.next;else this.head = this.tail = null;
+          } else {
+            this.head = p;
+            p.data = str.slice(nb);
+          }
+
+          break;
+        }
+
+        ++c;
+      }
+
+      this.length -= c;
+      return ret;
+    } // Consumes a specified amount of bytes from the buffered data.
+
+  }, {
+    key: "_getBuffer",
+    value: function _getBuffer(n) {
+      var ret = Buffer.allocUnsafe(n);
+      var p = this.head;
+      var c = 1;
+      p.data.copy(ret);
+      n -= p.data.length;
+
+      while (p = p.next) {
+        var buf = p.data;
+        var nb = n > buf.length ? buf.length : n;
+        buf.copy(ret, ret.length - n, 0, nb);
+        n -= nb;
+
+        if (n === 0) {
+          if (nb === buf.length) {
+            ++c;
+            if (p.next) this.head = p.next;else this.head = this.tail = null;
+          } else {
+            this.head = p;
+            p.data = buf.slice(nb);
+          }
+
+          break;
+        }
+
+        ++c;
+      }
+
+      this.length -= c;
+      return ret;
+    } // Make sure the linked list only shows the minimal necessary information.
+
+  }, {
+    key: custom,
+    value: function value(_, options) {
+      return inspect(this, _objectSpread({}, options, {
+        // Only inspect one level.
+        depth: 0,
+        // It should not recurse.
+        customInspect: false
+      }));
+    }
+  }]);
+
+  return BufferList;
+}();

node_modules/through2/node_modules/readable-stream/lib/internal/streams/destroy.js

@@ -0,0 +1,105 @@
+'use strict'; // undocumented cb() API, needed for core, not for public API
+
+function destroy(err, cb) {
+  var _this = this;
+
+  var readableDestroyed = this._readableState && this._readableState.destroyed;
+  var writableDestroyed = this._writableState && this._writableState.destroyed;
+
+  if (readableDestroyed || writableDestroyed) {
+    if (cb) {
+      cb(err);
+    } else if (err) {
+      if (!this._writableState) {
+        process.nextTick(emitErrorNT, this, err);
+      } else if (!this._writableState.errorEmitted) {
+        this._writableState.errorEmitted = true;
+        process.nextTick(emitErrorNT, this, err);
+      }
+    }
+
+    return this;
+  } // we set destroyed to true before firing error callbacks in order
+  // to make it re-entrance safe in case destroy() is called within callbacks
+
+
+  if (this._readableState) {
+    this._readableState.destroyed = true;
+  } // if this is a duplex stream mark the writable part as destroyed as well
+
+
+  if (this._writableState) {
+    this._writableState.destroyed = true;
+  }
+
+  this._destroy(err || null, function (err) {
+    if (!cb && err) {
+      if (!_this._writableState) {
+        process.nextTick(emitErrorAndCloseNT, _this, err);
+      } else if (!_this._writableState.errorEmitted) {
+        _this._writableState.errorEmitted = true;
+        process.nextTick(emitErrorAndCloseNT, _this, err);
+      } else {
+        process.nextTick(emitCloseNT, _this);
+      }
+    } else if (cb) {
+      process.nextTick(emitCloseNT, _this);
+      cb(err);
+    } else {
+      process.nextTick(emitCloseNT, _this);
+    }
+  });
+
+  return this;
+}
+
+function emitErrorAndCloseNT(self, err) {
+  emitErrorNT(self, err);
+  emitCloseNT(self);
+}
+
+function emitCloseNT(self) {
+  if (self._writableState && !self._writableState.emitClose) return;
+  if (self._readableState && !self._readableState.emitClose) return;
+  self.emit('close');
+}
+
+function undestroy() {
+  if (this._readableState) {
+    this._readableState.destroyed = false;
+    this._readableState.reading = false;
+    this._readableState.ended = false;
+    this._readableState.endEmitted = false;
+  }
+
+  if (this._writableState) {
+    this._writableState.destroyed = false;
+    this._writableState.ended = false;
+    this._writableState.ending = false;
+    this._writableState.finalCalled = false;
+    this._writableState.prefinished = false;
+    this._writableState.finished = false;
+    this._writableState.errorEmitted = false;
+  }
+}
+
+function emitErrorNT(self, err) {
+  self.emit('error', err);
+}
+
+function errorOrDestroy(stream, err) {
+  // We have tests that rely on errors being emitted
+  // in the same tick, so changing this is semver major.
+  // For now when you opt-in to autoDestroy we allow
+  // the error to be emitted nextTick. In a future
+  // semver major update we should change the default to this.
+  var rState = stream._readableState;
+  var wState = stream._writableState;
+  if (rState && rState.autoDestroy || wState && wState.autoDestroy) stream.destroy(err);else stream.emit('error', err);
+}
+
+module.exports = {
+  destroy: destroy,
+  undestroy: undestroy,
+  errorOrDestroy: errorOrDestroy
+};

node_modules/through2/node_modules/readable-stream/lib/internal/streams/end-of-stream.js

@@ -0,0 +1,104 @@
+// Ported from https://github.com/mafintosh/end-of-stream with
+// permission from the author, Mathias Buus (@mafintosh).
+'use strict';
+
+var ERR_STREAM_PREMATURE_CLOSE = require('../../../errors').codes.ERR_STREAM_PREMATURE_CLOSE;
+
+function once(callback) {
+  var called = false;
+  return function () {
+    if (called) return;
+    called = true;
+
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    callback.apply(this, args);
+  };
+}
+
+function noop() {}
+
+function isRequest(stream) {
+  return stream.setHeader && typeof stream.abort === 'function';
+}
+
+function eos(stream, opts, callback) {
+  if (typeof opts === 'function') return eos(stream, null, opts);
+  if (!opts) opts = {};
+  callback = once(callback || noop);
+  var readable = opts.readable || opts.readable !== false && stream.readable;
+  var writable = opts.writable || opts.writable !== false && stream.writable;
+
+  var onlegacyfinish = function onlegacyfinish() {
+    if (!stream.writable) onfinish();
+  };
+
+  var writableEnded = stream._writableState && stream._writableState.finished;
+
+  var onfinish = function onfinish() {
+    writable = false;
+    writableEnded = true;
+    if (!readable) callback.call(stream);
+  };
+
+  var readableEnded = stream._readableState && stream._readableState.endEmitted;
+
+  var onend = function onend() {
+    readable = false;
+    readableEnded = true;
+    if (!writable) callback.call(stream);
+  };
+
+  var onerror = function onerror(err) {
+    callback.call(stream, err);
+  };
+
+  var onclose = function onclose() {
+    var err;
+
+    if (readable && !readableEnded) {
+      if (!stream._readableState || !stream._readableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE();
+      return callback.call(stream, err);
+    }
+
+    if (writable && !writableEnded) {
+      if (!stream._writableState || !stream._writableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE();
+      return callback.call(stream, err);
+    }
+  };
+
+  var onrequest = function onrequest() {
+    stream.req.on('finish', onfinish);
+  };
+
+  if (isRequest(stream)) {
+    stream.on('complete', onfinish);
+    stream.on('abort', onclose);
+    if (stream.req) onrequest();else stream.on('request', onrequest);
+  } else if (writable && !stream._writableState) {
+    // legacy streams
+    stream.on('end', onlegacyfinish);
+    stream.on('close', onlegacyfinish);
+  }
+
+  stream.on('end', onend);
+  stream.on('finish', onfinish);
+  if (opts.error !== false) stream.on('error', onerror);
+  stream.on('close', onclose);
+  return function () {
+    stream.removeListener('complete', onfinish);
+    stream.removeListener('abort', onclose);
+    stream.removeListener('request', onrequest);
+    if (stream.req) stream.req.removeListener('finish', onfinish);
+    stream.removeListener('end', onlegacyfinish);
+    stream.removeListener('close', onlegacyfinish);
+    stream.removeListener('finish', onfinish);
+    stream.removeListener('end', onend);
+    stream.removeListener('error', onerror);
+    stream.removeListener('close', onclose);
+  };
+}
+
+module.exports = eos;

node_modules/through2/node_modules/readable-stream/lib/internal/streams/from-browser.js

@@ -0,0 +1,3 @@
+module.exports = function () {
+  throw new Error('Readable.from is not available in the browser')
+};

node_modules/through2/node_modules/readable-stream/lib/internal/streams/from.js

@@ -0,0 +1,64 @@
+'use strict';
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+
+var ERR_INVALID_ARG_TYPE = require('../../../errors').codes.ERR_INVALID_ARG_TYPE;
+
+function from(Readable, iterable, opts) {
+  var iterator;
+
+  if (iterable && typeof iterable.next === 'function') {
+    iterator = iterable;
+  } else if (iterable && iterable[Symbol.asyncIterator]) iterator = iterable[Symbol.asyncIterator]();else if (iterable && iterable[Symbol.iterator]) iterator = iterable[Symbol.iterator]();else throw new ERR_INVALID_ARG_TYPE('iterable', ['Iterable'], iterable);
+
+  var readable = new Readable(_objectSpread({
+    objectMode: true
+  }, opts)); // Reading boolean to protect against _read
+  // being called before last iteration completion.
+
+  var reading = false;
+
+  readable._read = function () {
+    if (!reading) {
+      reading = true;
+      next();
+    }
+  };
+
+  function next() {
+    return _next2.apply(this, arguments);
+  }
+
+  function _next2() {
+    _next2 = _asyncToGenerator(function* () {
+      try {
+        var _ref = yield iterator.next(),
+            value = _ref.value,
+            done = _ref.done;
+
+        if (done) {
+          readable.push(null);
+        } else if (readable.push((yield value))) {
+          next();
+        } else {
+          reading = false;
+        }
+      } catch (err) {
+        readable.destroy(err);
+      }
+    });
+    return _next2.apply(this, arguments);
+  }
+
+  return readable;
+}
+
+module.exports = from;

node_modules/through2/node_modules/readable-stream/lib/internal/streams/pipeline.js

@@ -0,0 +1,97 @@
+// Ported from https://github.com/mafintosh/pump with
+// permission from the author, Mathias Buus (@mafintosh).
+'use strict';
+
+var eos;
+
+function once(callback) {
+  var called = false;
+  return function () {
+    if (called) return;
+    called = true;
+    callback.apply(void 0, arguments);
+  };
+}
+
+var _require$codes = require('../../../errors').codes,
+    ERR_MISSING_ARGS = _require$codes.ERR_MISSING_ARGS,
+    ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED;
+
+function noop(err) {
+  // Rethrow the error if it exists to avoid swallowing it
+  if (err) throw err;
+}
+
+function isRequest(stream) {
+  return stream.setHeader && typeof stream.abort === 'function';
+}
+
+function destroyer(stream, reading, writing, callback) {
+  callback = once(callback);
+  var closed = false;
+  stream.on('close', function () {
+    closed = true;
+  });
+  if (eos === undefined) eos = require('./end-of-stream');
+  eos(stream, {
+    readable: reading,
+    writable: writing
+  }, function (err) {
+    if (err) return callback(err);
+    closed = true;
+    callback();
+  });
+  var destroyed = false;
+  return function (err) {
+    if (closed) return;
+    if (destroyed) return;
+    destroyed = true; // request.destroy just do .end - .abort is what we want
+
+    if (isRequest(stream)) return stream.abort();
+    if (typeof stream.destroy === 'function') return stream.destroy();
+    callback(err || new ERR_STREAM_DESTROYED('pipe'));
+  };
+}
+
+function call(fn) {
+  fn();
+}
+
+function pipe(from, to) {
+  return from.pipe(to);
+}
+
+function popCallback(streams) {
+  if (!streams.length) return noop;
+  if (typeof streams[streams.length - 1] !== 'function') return noop;
+  return streams.pop();
+}
+
+function pipeline() {
+  for (var _len = arguments.length, streams = new Array(_len), _key = 0; _key < _len; _key++) {
+    streams[_key] = arguments[_key];
+  }
+
+  var callback = popCallback(streams);
+  if (Array.isArray(streams[0])) streams = streams[0];
+
+  if (streams.length < 2) {
+    throw new ERR_MISSING_ARGS('streams');
+  }
+
+  var error;
+  var destroys = streams.map(function (stream, i) {
+    var reading = i < streams.length - 1;
+    var writing = i > 0;
+    return destroyer(stream, reading, writing, function (err) {
+      if (!error) error = err;
+      if (err) destroys.forEach(call);
+      if (reading) return;
+      destroys.forEach(call);
+      callback(error);
+    });
+  });
+  return streams.reduce(pipe);
+}
+
+module.exports = pipeline;

node_modules/through2/node_modules/readable-stream/lib/internal/streams/state.js

@@ -0,0 +1,27 @@
+'use strict';
+
+var ERR_INVALID_OPT_VALUE = require('../../../errors').codes.ERR_INVALID_OPT_VALUE;
+
+function highWaterMarkFrom(options, isDuplex, duplexKey) {
+  return options.highWaterMark != null ? options.highWaterMark : isDuplex ? options[duplexKey] : null;
+}
+
+function getHighWaterMark(state, options, duplexKey, isDuplex) {
+  var hwm = highWaterMarkFrom(options, isDuplex, duplexKey);
+
+  if (hwm != null) {
+    if (!(isFinite(hwm) && Math.floor(hwm) === hwm) || hwm < 0) {
+      var name = isDuplex ? duplexKey : 'highWaterMark';
+      throw new ERR_INVALID_OPT_VALUE(name, hwm);
+    }
+
+    return Math.floor(hwm);
+  } // Default value
+
+
+  return state.objectMode ? 16 : 16 * 1024;
+}
+
+module.exports = {
+  getHighWaterMark: getHighWaterMark
+};

node_modules/through2/node_modules/readable-stream/lib/internal/streams/stream-browser.js

@@ -0,0 +1 @@
+module.exports = require('events').EventEmitter;

node_modules/through2/node_modules/readable-stream/lib/internal/streams/stream.js

@@ -0,0 +1 @@
+module.exports = require('stream');

node_modules/through2/node_modules/readable-stream/package.json

@@ -0,0 +1,97 @@
+{
+  "_from": "readable-stream@2 || 3",
+  "_id": "readable-stream@3.6.0",
+  "_inBundle": false,
+  "_integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+  "_location": "/through2/readable-stream",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "readable-stream@2 || 3",
+    "name": "readable-stream",
+    "escapedName": "readable-stream",
+    "rawSpec": "2 || 3",
+    "saveSpec": null,
+    "fetchSpec": "2 || 3"
+  },
+  "_requiredBy": [
+    "/through2"
+  ],
+  "_resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+  "_shasum": "337bbda3adc0706bd3e024426a286d4b4b2c9198",
+  "_spec": "readable-stream@2 || 3",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\through2",
+  "browser": {
+    "util": false,
+    "worker_threads": false,
+    "./errors": "./errors-browser.js",
+    "./readable.js": "./readable-browser.js",
+    "./lib/internal/streams/from.js": "./lib/internal/streams/from-browser.js",
+    "./lib/internal/streams/stream.js": "./lib/internal/streams/stream-browser.js"
+  },
+  "bugs": {
+    "url": "https://github.com/nodejs/readable-stream/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "inherits": "^2.0.3",
+    "string_decoder": "^1.1.1",
+    "util-deprecate": "^1.0.1"
+  },
+  "deprecated": false,
+  "description": "Streams3, a user-land copy of the stream library from Node.js",
+  "devDependencies": {
+    "@babel/cli": "^7.2.0",
+    "@babel/core": "^7.2.0",
+    "@babel/polyfill": "^7.0.0",
+    "@babel/preset-env": "^7.2.0",
+    "airtap": "0.0.9",
+    "assert": "^1.4.0",
+    "bl": "^2.0.0",
+    "deep-strict-equal": "^0.2.0",
+    "events.once": "^2.0.2",
+    "glob": "^7.1.2",
+    "gunzip-maybe": "^1.4.1",
+    "hyperquest": "^2.1.3",
+    "lolex": "^2.6.0",
+    "nyc": "^11.0.0",
+    "pump": "^3.0.0",
+    "rimraf": "^2.6.2",
+    "tap": "^12.0.0",
+    "tape": "^4.9.0",
+    "tar-fs": "^1.16.2",
+    "util-promisify": "^2.1.0"
+  },
+  "engines": {
+    "node": ">= 6"
+  },
+  "homepage": "https://github.com/nodejs/readable-stream#readme",
+  "keywords": [
+    "readable",
+    "stream",
+    "pipe"
+  ],
+  "license": "MIT",
+  "main": "readable.js",
+  "name": "readable-stream",
+  "nyc": {
+    "include": [
+      "lib/**.js"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/nodejs/readable-stream.git"
+  },
+  "scripts": {
+    "ci": "TAP=1 tap --no-esm test/parallel/*.js test/ours/*.js | tee test.tap",
+    "cover": "nyc npm test",
+    "report": "nyc report --reporter=lcov",
+    "test": "tap -J --no-esm test/parallel/*.js test/ours/*.js",
+    "test-browser-local": "airtap --open --local -- test/browser.js",
+    "test-browsers": "airtap --sauce-connect --loopback airtap.local -- test/browser.js",
+    "update-browser-errors": "babel -o errors-browser.js errors.js"
+  },
+  "version": "3.6.0"
+}

node_modules/through2/node_modules/readable-stream/readable-browser.js

@@ -0,0 +1,9 @@
+exports = module.exports = require('./lib/_stream_readable.js');
+exports.Stream = exports;
+exports.Readable = exports;
+exports.Writable = require('./lib/_stream_writable.js');
+exports.Duplex = require('./lib/_stream_duplex.js');
+exports.Transform = require('./lib/_stream_transform.js');
+exports.PassThrough = require('./lib/_stream_passthrough.js');
+exports.finished = require('./lib/internal/streams/end-of-stream.js');
+exports.pipeline = require('./lib/internal/streams/pipeline.js');

node_modules/through2/node_modules/readable-stream/readable.js

@@ -0,0 +1,16 @@
+var Stream = require('stream');
+if (process.env.READABLE_STREAM === 'disable' && Stream) {
+  module.exports = Stream.Readable;
+  Object.assign(module.exports, Stream);
+  module.exports.Stream = Stream;
+} else {
+  exports = module.exports = require('./lib/_stream_readable.js');
+  exports.Stream = Stream || exports;
+  exports.Readable = exports;
+  exports.Writable = require('./lib/_stream_writable.js');
+  exports.Duplex = require('./lib/_stream_duplex.js');
+  exports.Transform = require('./lib/_stream_transform.js');
+  exports.PassThrough = require('./lib/_stream_passthrough.js');
+  exports.finished = require('./lib/internal/streams/end-of-stream.js');
+  exports.pipeline = require('./lib/internal/streams/pipeline.js');
+}

node_modules/through2/node_modules/safe-buffer/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Feross Aboukhadijeh
+
+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.

node_modules/through2/node_modules/safe-buffer/README.md

@@ -0,0 +1,584 @@
+# safe-buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+
+[travis-image]: https://img.shields.io/travis/feross/safe-buffer/master.svg
+[travis-url]: https://travis-ci.org/feross/safe-buffer
+[npm-image]: https://img.shields.io/npm/v/safe-buffer.svg
+[npm-url]: https://npmjs.org/package/safe-buffer
+[downloads-image]: https://img.shields.io/npm/dm/safe-buffer.svg
+[downloads-url]: https://npmjs.org/package/safe-buffer
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+
+#### Safer Node.js Buffer API
+
+**Use the new Node.js Buffer APIs (`Buffer.from`, `Buffer.alloc`,
+`Buffer.allocUnsafe`, `Buffer.allocUnsafeSlow`) in all versions of Node.js.**
+
+**Uses the built-in implementation when available.**
+
+## install
+
+```
+npm install safe-buffer
+```
+
+## usage
+
+The goal of this package is to provide a safe replacement for the node.js `Buffer`.
+
+It's a drop-in replacement for `Buffer`. You can use it by adding one `require` line to
+the top of your node.js modules:
+
+```js
+var Buffer = require('safe-buffer').Buffer
+
+// Existing buffer code will continue to work without issues:
+
+new Buffer('hey', 'utf8')
+new Buffer([1, 2, 3], 'utf8')
+new Buffer(obj)
+new Buffer(16) // create an uninitialized buffer (potentially unsafe)
+
+// But you can use these new explicit APIs to make clear what you want:
+
+Buffer.from('hey', 'utf8') // convert from many types to a Buffer
+Buffer.alloc(16) // create a zero-filled buffer (safe)
+Buffer.allocUnsafe(16) // create an uninitialized buffer (potentially unsafe)
+```
+
+## api
+
+### Class Method: Buffer.from(array)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `array` {Array}
+
+Allocates a new `Buffer` using an `array` of octets.
+
+```js
+const buf = Buffer.from([0x62,0x75,0x66,0x66,0x65,0x72]);
+  // creates a new Buffer containing ASCII bytes
+  // ['b','u','f','f','e','r']
+```
+
+A `TypeError` will be thrown if `array` is not an `Array`.
+
+### Class Method: Buffer.from(arrayBuffer[, byteOffset[, length]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `arrayBuffer` {ArrayBuffer} The `.buffer` property of a `TypedArray` or
+  a `new ArrayBuffer()`
+* `byteOffset` {Number} Default: `0`
+* `length` {Number} Default: `arrayBuffer.length - byteOffset`
+
+When passed a reference to the `.buffer` property of a `TypedArray` instance,
+the newly created `Buffer` will share the same allocated memory as the
+TypedArray.
+
+```js
+const arr = new Uint16Array(2);
+arr[0] = 5000;
+arr[1] = 4000;
+
+const buf = Buffer.from(arr.buffer); // shares the memory with arr;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 a0 0f>
+
+// changing the TypedArray changes the Buffer also
+arr[1] = 6000;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 70 17>
+```
+
+The optional `byteOffset` and `length` arguments specify a memory range within
+the `arrayBuffer` that will be shared by the `Buffer`.
+
+```js
+const ab = new ArrayBuffer(10);
+const buf = Buffer.from(ab, 0, 2);
+console.log(buf.length);
+  // Prints: 2
+```
+
+A `TypeError` will be thrown if `arrayBuffer` is not an `ArrayBuffer`.
+
+### Class Method: Buffer.from(buffer)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `buffer` {Buffer}
+
+Copies the passed `buffer` data onto a new `Buffer` instance.
+
+```js
+const buf1 = Buffer.from('buffer');
+const buf2 = Buffer.from(buf1);
+
+buf1[0] = 0x61;
+console.log(buf1.toString());
+  // 'auffer'
+console.log(buf2.toString());
+  // 'buffer' (copy is not changed)
+```
+
+A `TypeError` will be thrown if `buffer` is not a `Buffer`.
+
+### Class Method: Buffer.from(str[, encoding])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `str` {String} String to encode.
+* `encoding` {String} Encoding to use, Default: `'utf8'`
+
+Creates a new `Buffer` containing the given JavaScript string `str`. If
+provided, the `encoding` parameter identifies the character encoding.
+If not provided, `encoding` defaults to `'utf8'`.
+
+```js
+const buf1 = Buffer.from('this is a tést');
+console.log(buf1.toString());
+  // prints: this is a tést
+console.log(buf1.toString('ascii'));
+  // prints: this is a tC)st
+
+const buf2 = Buffer.from('7468697320697320612074c3a97374', 'hex');
+console.log(buf2.toString());
+  // prints: this is a tést
+```
+
+A `TypeError` will be thrown if `str` is not a string.
+
+### Class Method: Buffer.alloc(size[, fill[, encoding]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+* `fill` {Value} Default: `undefined`
+* `encoding` {String} Default: `utf8`
+
+Allocates a new `Buffer` of `size` bytes. If `fill` is `undefined`, the
+`Buffer` will be *zero-filled*.
+
+```js
+const buf = Buffer.alloc(5);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+The `size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+If `fill` is specified, the allocated `Buffer` will be initialized by calling
+`buf.fill(fill)`. See [`buf.fill()`][] for more information.
+
+```js
+const buf = Buffer.alloc(5, 'a');
+console.log(buf);
+  // <Buffer 61 61 61 61 61>
+```
+
+If both `fill` and `encoding` are specified, the allocated `Buffer` will be
+initialized by calling `buf.fill(fill, encoding)`. For example:
+
+```js
+const buf = Buffer.alloc(11, 'aGVsbG8gd29ybGQ=', 'base64');
+console.log(buf);
+  // <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>
+```
+
+Calling `Buffer.alloc(size)` can be significantly slower than the alternative
+`Buffer.allocUnsafe(size)` but ensures that the newly created `Buffer` instance
+contents will *never contain sensitive data*.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### Class Method: Buffer.allocUnsafe(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* `Buffer` of `size` bytes.  The `size` must
+be less than or equal to the value of `require('buffer').kMaxLength` (on 64-bit
+architectures, `kMaxLength` is `(2^31)-1`). Otherwise, a [`RangeError`][] is
+thrown. A zero-length Buffer will be created if a `size` less than or equal to
+0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+```js
+const buf = Buffer.allocUnsafe(5);
+console.log(buf);
+  // <Buffer 78 e0 82 02 01>
+  // (octets will be different, every time)
+buf.fill(0);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+A `TypeError` will be thrown if `size` is not a number.
+
+Note that the `Buffer` module pre-allocates an internal `Buffer` instance of
+size `Buffer.poolSize` that is used as a pool for the fast allocation of new
+`Buffer` instances created using `Buffer.allocUnsafe(size)` (and the deprecated
+`new Buffer(size)` constructor) only when `size` is less than or equal to
+`Buffer.poolSize >> 1` (floor of `Buffer.poolSize` divided by two). The default
+value of `Buffer.poolSize` is `8192` but can be modified.
+
+Use of this pre-allocated internal memory pool is a key difference between
+calling `Buffer.alloc(size, fill)` vs. `Buffer.allocUnsafe(size).fill(fill)`.
+Specifically, `Buffer.alloc(size, fill)` will *never* use the internal Buffer
+pool, while `Buffer.allocUnsafe(size).fill(fill)` *will* use the internal
+Buffer pool if `size` is less than or equal to half `Buffer.poolSize`. The
+difference is subtle but can be important when an application requires the
+additional performance that `Buffer.allocUnsafe(size)` provides.
+
+### Class Method: Buffer.allocUnsafeSlow(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* and non-pooled `Buffer` of `size` bytes.  The
+`size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+When using `Buffer.allocUnsafe()` to allocate new `Buffer` instances,
+allocations under 4KB are, by default, sliced from a single pre-allocated
+`Buffer`. This allows applications to avoid the garbage collection overhead of
+creating many individually allocated Buffers. This approach improves both
+performance and memory usage by eliminating the need to track and cleanup as
+many `Persistent` objects.
+
+However, in the case where a developer may need to retain a small chunk of
+memory from a pool for an indeterminate amount of time, it may be appropriate
+to create an un-pooled Buffer instance using `Buffer.allocUnsafeSlow()` then
+copy out the relevant bits.
+
+```js
+// need to keep around a few small chunks of memory
+const store = [];
+
+socket.on('readable', () => {
+  const data = socket.read();
+  // allocate for retained data
+  const sb = Buffer.allocUnsafeSlow(10);
+  // copy the data into the new allocation
+  data.copy(sb, 0, 0, 10);
+  store.push(sb);
+});
+```
+
+Use of `Buffer.allocUnsafeSlow()` should be used only as a last resort *after*
+a developer has observed undue memory retention in their applications.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### All the Rest
+
+The rest of the `Buffer` API is exactly the same as in node.js.
+[See the docs](https://nodejs.org/api/buffer.html).
+
+
+## Related links
+
+- [Node.js issue: Buffer(number) is unsafe](https://github.com/nodejs/node/issues/4660)
+- [Node.js Enhancement Proposal: Buffer.from/Buffer.alloc/Buffer.zalloc/Buffer() soft-deprecate](https://github.com/nodejs/node-eps/pull/4)
+
+## Why is `Buffer` unsafe?
+
+Today, the node.js `Buffer` constructor is overloaded to handle many different argument
+types like `String`, `Array`, `Object`, `TypedArrayView` (`Uint8Array`, etc.),
+`ArrayBuffer`, and also `Number`.
+
+The API is optimized for convenience: you can throw any type at it, and it will try to do
+what you want.
+
+Because the Buffer constructor is so powerful, you often see code like this:
+
+```js
+// Convert UTF-8 strings to hex
+function toHex (str) {
+  return new Buffer(str).toString('hex')
+}
+```
+
+***But what happens if `toHex` is called with a `Number` argument?***
+
+### Remote Memory Disclosure
+
+If an attacker can make your program call the `Buffer` constructor with a `Number`
+argument, then they can make it allocate uninitialized memory from the node.js process.
+This could potentially disclose TLS private keys, user data, or database passwords.
+
+When the `Buffer` constructor is passed a `Number` argument, it returns an
+**UNINITIALIZED** block of memory of the specified `size`. When you create a `Buffer` like
+this, you **MUST** overwrite the contents before returning it to the user.
+
+From the [node.js docs](https://nodejs.org/api/buffer.html#buffer_new_buffer_size):
+
+> `new Buffer(size)`
+>
+> - `size` Number
+>
+> The underlying memory for `Buffer` instances created in this way is not initialized.
+> **The contents of a newly created `Buffer` are unknown and could contain sensitive
+> data.** Use `buf.fill(0)` to initialize a Buffer to zeroes.
+
+(Emphasis our own.)
+
+Whenever the programmer intended to create an uninitialized `Buffer` you often see code
+like this:
+
+```js
+var buf = new Buffer(16)
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### Would this ever be a problem in real code?
+
+Yes. It's surprisingly common to forget to check the type of your variables in a
+dynamically-typed language like JavaScript.
+
+Usually the consequences of assuming the wrong type is that your program crashes with an
+uncaught exception. But the failure mode for forgetting to check the type of arguments to
+the `Buffer` constructor is more catastrophic.
+
+Here's an example of a vulnerable service that takes a JSON payload and converts it to
+hex:
+
+```js
+// Take a JSON payload {str: "some string"} and convert it to hex
+var server = http.createServer(function (req, res) {
+  var data = ''
+  req.setEncoding('utf8')
+  req.on('data', function (chunk) {
+    data += chunk
+  })
+  req.on('end', function () {
+    var body = JSON.parse(data)
+    res.end(new Buffer(body.str).toString('hex'))
+  })
+})
+
+server.listen(8080)
+```
+
+In this example, an http client just has to send:
+
+```json
+{
+  "str": 1000
+}
+```
+
+and it will get back 1,000 bytes of uninitialized memory from the server.
+
+This is a very serious bug. It's similar in severity to the
+[the Heartbleed bug](http://heartbleed.com/) that allowed disclosure of OpenSSL process
+memory by remote attackers.
+
+
+### Which real-world packages were vulnerable?
+
+#### [`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht)
+
+[Mathias Buus](https://github.com/mafintosh) and I
+([Feross Aboukhadijeh](http://feross.org/)) found this issue in one of our own packages,
+[`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht). The bug would allow
+anyone on the internet to send a series of messages to a user of `bittorrent-dht` and get
+them to reveal 20 bytes at a time of uninitialized memory from the node.js process.
+
+Here's
+[the commit](https://github.com/feross/bittorrent-dht/commit/6c7da04025d5633699800a99ec3fbadf70ad35b8)
+that fixed it. We released a new fixed version, created a
+[Node Security Project disclosure](https://nodesecurity.io/advisories/68), and deprecated all
+vulnerable versions on npm so users will get a warning to upgrade to a newer version.
+
+#### [`ws`](https://www.npmjs.com/package/ws)
+
+That got us wondering if there were other vulnerable packages. Sure enough, within a short
+period of time, we found the same issue in [`ws`](https://www.npmjs.com/package/ws), the
+most popular WebSocket implementation in node.js.
+
+If certain APIs were called with `Number` parameters instead of `String` or `Buffer` as
+expected, then uninitialized server memory would be disclosed to the remote peer.
+
+These were the vulnerable methods:
+
+```js
+socket.send(number)
+socket.ping(number)
+socket.pong(number)
+```
+
+Here's a vulnerable socket server with some echo functionality:
+
+```js
+server.on('connection', function (socket) {
+  socket.on('message', function (message) {
+    message = JSON.parse(message)
+    if (message.type === 'echo') {
+      socket.send(message.data) // send back the user's message
+    }
+  })
+})
+```
+
+`socket.send(number)` called on the server, will disclose server memory.
+
+Here's [the release](https://github.com/websockets/ws/releases/tag/1.0.1) where the issue
+was fixed, with a more detailed explanation. Props to
+[Arnout Kazemier](https://github.com/3rd-Eden) for the quick fix. Here's the
+[Node Security Project disclosure](https://nodesecurity.io/advisories/67).
+
+
+### What's the solution?
+
+It's important that node.js offers a fast way to get memory otherwise performance-critical
+applications would needlessly get a lot slower.
+
+But we need a better way to *signal our intent* as programmers. **When we want
+uninitialized memory, we should request it explicitly.**
+
+Sensitive functionality should not be packed into a developer-friendly API that loosely
+accepts many different types. This type of API encourages the lazy practice of passing
+variables in without checking the type very carefully.
+
+#### A new API: `Buffer.allocUnsafe(number)`
+
+The functionality of creating buffers with uninitialized memory should be part of another
+API. We propose `Buffer.allocUnsafe(number)`. This way, it's not part of an API that
+frequently gets user input of all sorts of different types passed into it.
+
+```js
+var buf = Buffer.allocUnsafe(16) // careful, uninitialized memory!
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### How do we fix node.js core?
+
+We sent [a PR to node.js core](https://github.com/nodejs/node/pull/4514) (merged as
+`semver-major`) which defends against one case:
+
+```js
+var str = 16
+new Buffer(str, 'utf8')
+```
+
+In this situation, it's implied that the programmer intended the first argument to be a
+string, since they passed an encoding as a second argument. Today, node.js will allocate
+uninitialized memory in the case of `new Buffer(number, encoding)`, which is probably not
+what the programmer intended.
+
+But this is only a partial solution, since if the programmer does `new Buffer(variable)`
+(without an `encoding` parameter) there's no way to know what they intended. If `variable`
+is sometimes a number, then uninitialized memory will sometimes be returned.
+
+### What's the real long-term fix?
+
+We could deprecate and remove `new Buffer(number)` and use `Buffer.allocUnsafe(number)` when
+we need uninitialized memory. But that would break 1000s of packages.
+
+~~We believe the best solution is to:~~
+
+~~1. Change `new Buffer(number)` to return safe, zeroed-out memory~~
+
+~~2. Create a new API for creating uninitialized Buffers. We propose: `Buffer.allocUnsafe(number)`~~
+
+#### Update
+
+We now support adding three new APIs:
+
+- `Buffer.from(value)` - convert from any type to a buffer
+- `Buffer.alloc(size)` - create a zero-filled buffer
+- `Buffer.allocUnsafe(size)` - create an uninitialized buffer with given size
+
+This solves the core problem that affected `ws` and `bittorrent-dht` which is
+`Buffer(variable)` getting tricked into taking a number argument.
+
+This way, existing code continues working and the impact on the npm ecosystem will be
+minimal. Over time, npm maintainers can migrate performance-critical code to use
+`Buffer.allocUnsafe(number)` instead of `new Buffer(number)`.
+
+
+### Conclusion
+
+We think there's a serious design issue with the `Buffer` API as it exists today. It
+promotes insecure software by putting high-risk functionality into a convenient API
+with friendly "developer ergonomics".
+
+This wasn't merely a theoretical exercise because we found the issue in some of the
+most popular npm packages.
+
+Fortunately, there's an easy fix that can be applied today. Use `safe-buffer` in place of
+`buffer`.
+
+```js
+var Buffer = require('safe-buffer').Buffer
+```
+
+Eventually, we hope that node.js core can switch to this new, safer behavior. We believe
+the impact on the ecosystem would be minimal since it's not a breaking change.
+Well-maintained, popular packages would be updated to use `Buffer.alloc` quickly, while
+older, insecure packages would magically become safe from this attack vector.
+
+
+## links
+
+- [Node.js PR: buffer: throw if both length and enc are passed](https://github.com/nodejs/node/pull/4514)
+- [Node Security Project disclosure for `ws`](https://nodesecurity.io/advisories/67)
+- [Node Security Project disclosure for`bittorrent-dht`](https://nodesecurity.io/advisories/68)
+
+
+## credit
+
+The original issues in `bittorrent-dht`
+([disclosure](https://nodesecurity.io/advisories/68)) and
+`ws` ([disclosure](https://nodesecurity.io/advisories/67)) were discovered by
+[Mathias Buus](https://github.com/mafintosh) and
+[Feross Aboukhadijeh](http://feross.org/).
+
+Thanks to [Adam Baldwin](https://github.com/evilpacket) for helping disclose these issues
+and for his work running the [Node Security Project](https://nodesecurity.io/).
+
+Thanks to [John Hiesey](https://github.com/jhiesey) for proofreading this README and
+auditing the code.
+
+
+## license
+
+MIT. Copyright (C) [Feross Aboukhadijeh](http://feross.org)

node_modules/through2/node_modules/safe-buffer/index.d.ts

@@ -0,0 +1,187 @@
+declare module "safe-buffer" {
+  export class Buffer {
+    length: number
+    write(string: string, offset?: number, length?: number, encoding?: string): number;
+    toString(encoding?: string, start?: number, end?: number): string;
+    toJSON(): { type: 'Buffer', data: any[] };
+    equals(otherBuffer: Buffer): boolean;
+    compare(otherBuffer: Buffer, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
+    copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
+    slice(start?: number, end?: number): Buffer;
+    writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeUIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUInt8(offset: number, noAssert?: boolean): number;
+    readUInt16LE(offset: number, noAssert?: boolean): number;
+    readUInt16BE(offset: number, noAssert?: boolean): number;
+    readUInt32LE(offset: number, noAssert?: boolean): number;
+    readUInt32BE(offset: number, noAssert?: boolean): number;
+    readInt8(offset: number, noAssert?: boolean): number;
+    readInt16LE(offset: number, noAssert?: boolean): number;
+    readInt16BE(offset: number, noAssert?: boolean): number;
+    readInt32LE(offset: number, noAssert?: boolean): number;
+    readInt32BE(offset: number, noAssert?: boolean): number;
+    readFloatLE(offset: number, noAssert?: boolean): number;
+    readFloatBE(offset: number, noAssert?: boolean): number;
+    readDoubleLE(offset: number, noAssert?: boolean): number;
+    readDoubleBE(offset: number, noAssert?: boolean): number;
+    swap16(): Buffer;
+    swap32(): Buffer;
+    swap64(): Buffer;
+    writeUInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatLE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatBE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleLE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleBE(value: number, offset: number, noAssert?: boolean): number;
+    fill(value: any, offset?: number, end?: number): this;
+    indexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    lastIndexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    includes(value: string | number | Buffer, byteOffset?: number, encoding?: string): boolean;
+
+    /**
+     * Allocates a new buffer containing the given {str}.
+     *
+     * @param str String to store in buffer.
+     * @param encoding encoding to use, optional.  Default is 'utf8'
+     */
+     constructor (str: string, encoding?: string);
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     */
+    constructor (size: number);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: Uint8Array);
+    /**
+     * Produces a Buffer backed by the same allocated memory as
+     * the given {ArrayBuffer}.
+     *
+     *
+     * @param arrayBuffer The ArrayBuffer with which to share memory.
+     */
+    constructor (arrayBuffer: ArrayBuffer);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: any[]);
+    /**
+     * Copies the passed {buffer} data onto a new {Buffer} instance.
+     *
+     * @param buffer The buffer to copy.
+     */
+    constructor (buffer: Buffer);
+    prototype: Buffer;
+    /**
+     * Allocates a new Buffer using an {array} of octets.
+     *
+     * @param array
+     */
+    static from(array: any[]): Buffer;
+    /**
+     * When passed a reference to the .buffer property of a TypedArray instance,
+     * the newly created Buffer will share the same allocated memory as the TypedArray.
+     * The optional {byteOffset} and {length} arguments specify a memory range
+     * within the {arrayBuffer} that will be shared by the Buffer.
+     *
+     * @param arrayBuffer The .buffer property of a TypedArray or a new ArrayBuffer()
+     * @param byteOffset
+     * @param length
+     */
+    static from(arrayBuffer: ArrayBuffer, byteOffset?: number, length?: number): Buffer;
+    /**
+     * Copies the passed {buffer} data onto a new Buffer instance.
+     *
+     * @param buffer
+     */
+    static from(buffer: Buffer): Buffer;
+    /**
+     * Creates a new Buffer containing the given JavaScript string {str}.
+     * If provided, the {encoding} parameter identifies the character encoding.
+     * If not provided, {encoding} defaults to 'utf8'.
+     *
+     * @param str
+     */
+    static from(str: string, encoding?: string): Buffer;
+    /**
+     * Returns true if {obj} is a Buffer
+     *
+     * @param obj object to test.
+     */
+    static isBuffer(obj: any): obj is Buffer;
+    /**
+     * Returns true if {encoding} is a valid encoding argument.
+     * Valid string encodings in Node 0.12: 'ascii'|'utf8'|'utf16le'|'ucs2'(alias of 'utf16le')|'base64'|'binary'(deprecated)|'hex'
+     *
+     * @param encoding string to test.
+     */
+    static isEncoding(encoding: string): boolean;
+    /**
+     * Gives the actual byte length of a string. encoding defaults to 'utf8'.
+     * This is not the same as String.prototype.length since that returns the number of characters in a string.
+     *
+     * @param string string to test.
+     * @param encoding encoding used to evaluate (defaults to 'utf8')
+     */
+    static byteLength(string: string, encoding?: string): number;
+    /**
+     * Returns a buffer which is the result of concatenating all the buffers in the list together.
+     *
+     * If the list has no items, or if the totalLength is 0, then it returns a zero-length buffer.
+     * If the list has exactly one item, then the first item of the list is returned.
+     * If the list has more than one item, then a new Buffer is created.
+     *
+     * @param list An array of Buffer objects to concatenate
+     * @param totalLength Total length of the buffers when concatenated.
+     *   If totalLength is not provided, it is read from the buffers in the list. However, this adds an additional loop to the function, so it is faster to provide the length explicitly.
+     */
+    static concat(list: Buffer[], totalLength?: number): Buffer;
+    /**
+     * The same as buf1.compare(buf2).
+     */
+    static compare(buf1: Buffer, buf2: Buffer): number;
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     * @param fill if specified, buffer will be initialized by calling buf.fill(fill).
+     *    If parameter is omitted, buffer will be filled with zeros.
+     * @param encoding encoding used for call to buf.fill while initalizing
+     */
+    static alloc(size: number, fill?: string | Buffer | number, encoding?: string): Buffer;
+    /**
+     * Allocates a new buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafe(size: number): Buffer;
+    /**
+     * Allocates a new non-pooled buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafeSlow(size: number): Buffer;
+  }
+}

node_modules/through2/node_modules/safe-buffer/index.js

@@ -0,0 +1,65 @@
+/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
+/* eslint-disable node/no-deprecated-api */
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+
+// alternative to using Object.keys for old browsers
+function copyProps (src, dst) {
+  for (var key in src) {
+    dst[key] = src[key]
+  }
+}
+if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
+  module.exports = buffer
+} else {
+  // Copy properties from require('buffer')
+  copyProps(buffer, exports)
+  exports.Buffer = SafeBuffer
+}
+
+function SafeBuffer (arg, encodingOrOffset, length) {
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.prototype = Object.create(Buffer.prototype)
+
+// Copy static methods from Buffer
+copyProps(Buffer, SafeBuffer)
+
+SafeBuffer.from = function (arg, encodingOrOffset, length) {
+  if (typeof arg === 'number') {
+    throw new TypeError('Argument must not be a number')
+  }
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.alloc = function (size, fill, encoding) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  var buf = Buffer(size)
+  if (fill !== undefined) {
+    if (typeof encoding === 'string') {
+      buf.fill(fill, encoding)
+    } else {
+      buf.fill(fill)
+    }
+  } else {
+    buf.fill(0)
+  }
+  return buf
+}
+
+SafeBuffer.allocUnsafe = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return Buffer(size)
+}
+
+SafeBuffer.allocUnsafeSlow = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return buffer.SlowBuffer(size)
+}

node_modules/through2/node_modules/safe-buffer/package.json

@@ -0,0 +1,76 @@
+{
+  "_from": "safe-buffer@~5.2.0",
+  "_id": "safe-buffer@5.2.1",
+  "_inBundle": false,
+  "_integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+  "_location": "/through2/safe-buffer",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "safe-buffer@~5.2.0",
+    "name": "safe-buffer",
+    "escapedName": "safe-buffer",
+    "rawSpec": "~5.2.0",
+    "saveSpec": null,
+    "fetchSpec": "~5.2.0"
+  },
+  "_requiredBy": [
+    "/through2/string_decoder"
+  ],
+  "_resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+  "_shasum": "1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6",
+  "_spec": "safe-buffer@~5.2.0",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\through2\\node_modules\\string_decoder",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "https://feross.org"
+  },
+  "bugs": {
+    "url": "https://github.com/feross/safe-buffer/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "Safer Node.js Buffer API",
+  "devDependencies": {
+    "standard": "*",
+    "tape": "^5.0.0"
+  },
+  "funding": [
+    {
+      "type": "github",
+      "url": "https://github.com/sponsors/feross"
+    },
+    {
+      "type": "patreon",
+      "url": "https://www.patreon.com/feross"
+    },
+    {
+      "type": "consulting",
+      "url": "https://feross.org/support"
+    }
+  ],
+  "homepage": "https://github.com/feross/safe-buffer",
+  "keywords": [
+    "buffer",
+    "buffer allocate",
+    "node security",
+    "safe",
+    "safe-buffer",
+    "security",
+    "uninitialized"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "name": "safe-buffer",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/safe-buffer.git"
+  },
+  "scripts": {
+    "test": "standard && tape test/*.js"
+  },
+  "types": "index.d.ts",
+  "version": "5.2.1"
+}

node_modules/through2/node_modules/string_decoder/LICENSE

@@ -0,0 +1,48 @@
+Node.js is licensed for use as follows:
+
+"""
+Copyright Node.js contributors. All rights reserved.
+
+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.
+"""
+
+This license applies to parts of Node.js originating from the
+https://github.com/joyent/node repository:
+
+"""
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+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.
+"""
+

node_modules/through2/node_modules/string_decoder/README.md

@@ -0,0 +1,47 @@
+# string_decoder
+
+***Node-core v8.9.4 string_decoder for userland***
+
+
+[![NPM](https://nodei.co/npm/string_decoder.png?downloads=true&downloadRank=true)](https://nodei.co/npm/string_decoder/)
+[![NPM](https://nodei.co/npm-dl/string_decoder.png?&months=6&height=3)](https://nodei.co/npm/string_decoder/)
+
+
+```bash
+npm install --save string_decoder
+```
+
+***Node-core string_decoder for userland***
+
+This package is a mirror of the string_decoder implementation in Node-core.
+
+Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v8.9.4/docs/api/).
+
+As of version 1.0.0 **string_decoder** uses semantic versioning.
+
+## Previous versions
+
+Previous version numbers match the versions found in Node core, e.g. 0.10.24 matches Node 0.10.24, likewise 0.11.10 matches Node 0.11.10.
+
+## Update
+
+The *build/* directory contains a build script that will scrape the source from the [nodejs/node](https://github.com/nodejs/node) repo given a specific Node version.
+
+## Streams Working Group
+
+`string_decoder` is maintained by the Streams Working Group, which
+oversees the development and maintenance of the Streams API within
+Node.js. The responsibilities of the Streams Working Group include:
+
+* Addressing stream issues on the Node.js issue tracker.
+* Authoring and editing stream documentation within the Node.js project.
+* Reviewing changes to stream subclasses within the Node.js project.
+* Redirecting changes to streams from the Node.js project to this
+  project.
+* Assisting in the implementation of stream providers within Node.js.
+* Recommending versions of `readable-stream` to be included in Node.js.
+* Messaging about the future of streams to give the community advance
+  notice of changes.
+
+See [readable-stream](https://github.com/nodejs/readable-stream) for
+more details.

node_modules/through2/node_modules/string_decoder/lib/string_decoder.js

@@ -0,0 +1,296 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// 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.
+
+'use strict';
+
+/*<replacement>*/
+
+var Buffer = require('safe-buffer').Buffer;
+/*</replacement>*/
+
+var isEncoding = Buffer.isEncoding || function (encoding) {
+  encoding = '' + encoding;
+  switch (encoding && encoding.toLowerCase()) {
+    case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw':
+      return true;
+    default:
+      return false;
+  }
+};
+
+function _normalizeEncoding(enc) {
+  if (!enc) return 'utf8';
+  var retried;
+  while (true) {
+    switch (enc) {
+      case 'utf8':
+      case 'utf-8':
+        return 'utf8';
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return 'utf16le';
+      case 'latin1':
+      case 'binary':
+        return 'latin1';
+      case 'base64':
+      case 'ascii':
+      case 'hex':
+        return enc;
+      default:
+        if (retried) return; // undefined
+        enc = ('' + enc).toLowerCase();
+        retried = true;
+    }
+  }
+};
+
+// Do not cache `Buffer.isEncoding` when checking encoding names as some
+// modules monkey-patch it to support additional encodings
+function normalizeEncoding(enc) {
+  var nenc = _normalizeEncoding(enc);
+  if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc);
+  return nenc || enc;
+}
+
+// StringDecoder provides an interface for efficiently splitting a series of
+// buffers into a series of JS strings without breaking apart multi-byte
+// characters.
+exports.StringDecoder = StringDecoder;
+function StringDecoder(encoding) {
+  this.encoding = normalizeEncoding(encoding);
+  var nb;
+  switch (this.encoding) {
+    case 'utf16le':
+      this.text = utf16Text;
+      this.end = utf16End;
+      nb = 4;
+      break;
+    case 'utf8':
+      this.fillLast = utf8FillLast;
+      nb = 4;
+      break;
+    case 'base64':
+      this.text = base64Text;
+      this.end = base64End;
+      nb = 3;
+      break;
+    default:
+      this.write = simpleWrite;
+      this.end = simpleEnd;
+      return;
+  }
+  this.lastNeed = 0;
+  this.lastTotal = 0;
+  this.lastChar = Buffer.allocUnsafe(nb);
+}
+
+StringDecoder.prototype.write = function (buf) {
+  if (buf.length === 0) return '';
+  var r;
+  var i;
+  if (this.lastNeed) {
+    r = this.fillLast(buf);
+    if (r === undefined) return '';
+    i = this.lastNeed;
+    this.lastNeed = 0;
+  } else {
+    i = 0;
+  }
+  if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i);
+  return r || '';
+};
+
+StringDecoder.prototype.end = utf8End;
+
+// Returns only complete characters in a Buffer
+StringDecoder.prototype.text = utf8Text;
+
+// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer
+StringDecoder.prototype.fillLast = function (buf) {
+  if (this.lastNeed <= buf.length) {
+    buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed);
+    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+  }
+  buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length);
+  this.lastNeed -= buf.length;
+};
+
+// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a
+// continuation byte. If an invalid byte is detected, -2 is returned.
+function utf8CheckByte(byte) {
+  if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4;
+  return byte >> 6 === 0x02 ? -1 : -2;
+}
+
+// Checks at most 3 bytes at the end of a Buffer in order to detect an
+// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4)
+// needed to complete the UTF-8 character (if applicable) are returned.
+function utf8CheckIncomplete(self, buf, i) {
+  var j = buf.length - 1;
+  if (j < i) return 0;
+  var nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) self.lastNeed = nb - 1;
+    return nb;
+  }
+  if (--j < i || nb === -2) return 0;
+  nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) self.lastNeed = nb - 2;
+    return nb;
+  }
+  if (--j < i || nb === -2) return 0;
+  nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) {
+      if (nb === 2) nb = 0;else self.lastNeed = nb - 3;
+    }
+    return nb;
+  }
+  return 0;
+}
+
+// Validates as many continuation bytes for a multi-byte UTF-8 character as
+// needed or are available. If we see a non-continuation byte where we expect
+// one, we "replace" the validated continuation bytes we've seen so far with
+// a single UTF-8 replacement character ('\ufffd'), to match v8's UTF-8 decoding
+// behavior. The continuation byte check is included three times in the case
+// where all of the continuation bytes for a character exist in the same buffer.
+// It is also done this way as a slight performance increase instead of using a
+// loop.
+function utf8CheckExtraBytes(self, buf, p) {
+  if ((buf[0] & 0xC0) !== 0x80) {
+    self.lastNeed = 0;
+    return '\ufffd';
+  }
+  if (self.lastNeed > 1 && buf.length > 1) {
+    if ((buf[1] & 0xC0) !== 0x80) {
+      self.lastNeed = 1;
+      return '\ufffd';
+    }
+    if (self.lastNeed > 2 && buf.length > 2) {
+      if ((buf[2] & 0xC0) !== 0x80) {
+        self.lastNeed = 2;
+        return '\ufffd';
+      }
+    }
+  }
+}
+
+// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer.
+function utf8FillLast(buf) {
+  var p = this.lastTotal - this.lastNeed;
+  var r = utf8CheckExtraBytes(this, buf, p);
+  if (r !== undefined) return r;
+  if (this.lastNeed <= buf.length) {
+    buf.copy(this.lastChar, p, 0, this.lastNeed);
+    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+  }
+  buf.copy(this.lastChar, p, 0, buf.length);
+  this.lastNeed -= buf.length;
+}
+
+// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a
+// partial character, the character's bytes are buffered until the required
+// number of bytes are available.
+function utf8Text(buf, i) {
+  var total = utf8CheckIncomplete(this, buf, i);
+  if (!this.lastNeed) return buf.toString('utf8', i);
+  this.lastTotal = total;
+  var end = buf.length - (total - this.lastNeed);
+  buf.copy(this.lastChar, 0, end);
+  return buf.toString('utf8', i, end);
+}
+
+// For UTF-8, a replacement character is added when ending on a partial
+// character.
+function utf8End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) return r + '\ufffd';
+  return r;
+}
+
+// UTF-16LE typically needs two bytes per character, but even if we have an even
+// number of bytes available, we need to check if we end on a leading/high
+// surrogate. In that case, we need to wait for the next two bytes in order to
+// decode the last character properly.
+function utf16Text(buf, i) {
+  if ((buf.length - i) % 2 === 0) {
+    var r = buf.toString('utf16le', i);
+    if (r) {
+      var c = r.charCodeAt(r.length - 1);
+      if (c >= 0xD800 && c <= 0xDBFF) {
+        this.lastNeed = 2;
+        this.lastTotal = 4;
+        this.lastChar[0] = buf[buf.length - 2];
+        this.lastChar[1] = buf[buf.length - 1];
+        return r.slice(0, -1);
+      }
+    }
+    return r;
+  }
+  this.lastNeed = 1;
+  this.lastTotal = 2;
+  this.lastChar[0] = buf[buf.length - 1];
+  return buf.toString('utf16le', i, buf.length - 1);
+}
+
+// For UTF-16LE we do not explicitly append special replacement characters if we
+// end on a partial character, we simply let v8 handle that.
+function utf16End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) {
+    var end = this.lastTotal - this.lastNeed;
+    return r + this.lastChar.toString('utf16le', 0, end);
+  }
+  return r;
+}
+
+function base64Text(buf, i) {
+  var n = (buf.length - i) % 3;
+  if (n === 0) return buf.toString('base64', i);
+  this.lastNeed = 3 - n;
+  this.lastTotal = 3;
+  if (n === 1) {
+    this.lastChar[0] = buf[buf.length - 1];
+  } else {
+    this.lastChar[0] = buf[buf.length - 2];
+    this.lastChar[1] = buf[buf.length - 1];
+  }
+  return buf.toString('base64', i, buf.length - n);
+}
+
+function base64End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed);
+  return r;
+}
+
+// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex)
+function simpleWrite(buf) {
+  return buf.toString(this.encoding);
+}
+
+function simpleEnd(buf) {
+  return buf && buf.length ? this.write(buf) : '';
+}

node_modules/through2/node_modules/string_decoder/package.json

@@ -0,0 +1,62 @@
+{
+  "_from": "string_decoder@^1.1.1",
+  "_id": "string_decoder@1.3.0",
+  "_inBundle": false,
+  "_integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+  "_location": "/through2/string_decoder",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "string_decoder@^1.1.1",
+    "name": "string_decoder",
+    "escapedName": "string_decoder",
+    "rawSpec": "^1.1.1",
+    "saveSpec": null,
+    "fetchSpec": "^1.1.1"
+  },
+  "_requiredBy": [
+    "/through2/readable-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+  "_shasum": "42f114594a46cf1a8e30b0a84f56c78c3edac21e",
+  "_spec": "string_decoder@^1.1.1",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\through2\\node_modules\\readable-stream",
+  "bugs": {
+    "url": "https://github.com/nodejs/string_decoder/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "safe-buffer": "~5.2.0"
+  },
+  "deprecated": false,
+  "description": "The string_decoder module from Node core",
+  "devDependencies": {
+    "babel-polyfill": "^6.23.0",
+    "core-util-is": "^1.0.2",
+    "inherits": "^2.0.3",
+    "tap": "~0.4.8"
+  },
+  "files": [
+    "lib"
+  ],
+  "homepage": "https://github.com/nodejs/string_decoder",
+  "keywords": [
+    "string",
+    "decoder",
+    "browser",
+    "browserify"
+  ],
+  "license": "MIT",
+  "main": "lib/string_decoder.js",
+  "name": "string_decoder",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/nodejs/string_decoder.git"
+  },
+  "scripts": {
+    "ci": "tap test/parallel/*.js test/ours/*.js --tap | tee test.tap && node test/verify-dependencies.js",
+    "test": "tap test/parallel/*.js && node test/verify-dependencies"
+  },
+  "version": "1.3.0"
+}

node_modules/through2/package.json

@@ -0,0 +1,67 @@
+{
+  "_from": "through2@^3.0.1",
+  "_id": "through2@3.0.2",
+  "_inBundle": false,
+  "_integrity": "sha512-enaDQ4MUyP2W6ZyT6EsMzqBPZaM/avg8iuo+l2d3QCs0J+6RaqkHV/2/lOwDTueBHeJ/2LG9lrLW3d5rWPucuQ==",
+  "_location": "/through2",
+  "_phantomChildren": {
+    "util-deprecate": "1.0.2"
+  },
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "through2@^3.0.1",
+    "name": "through2",
+    "escapedName": "through2",
+    "rawSpec": "^3.0.1",
+    "saveSpec": null,
+    "fetchSpec": "^3.0.1"
+  },
+  "_requiredBy": [
+    "/csv-parser"
+  ],
+  "_resolved": "https://registry.npmjs.org/through2/-/through2-3.0.2.tgz",
+  "_shasum": "99f88931cfc761ec7678b41d5d7336b5b6a07bf4",
+  "_spec": "through2@^3.0.1",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\csv-parser",
+  "author": {
+    "name": "Rod Vagg",
+    "email": "r@va.gg",
+    "url": "https://github.com/rvagg"
+  },
+  "bugs": {
+    "url": "https://github.com/rvagg/through2/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "inherits": "^2.0.4",
+    "readable-stream": "2 || 3"
+  },
+  "deprecated": false,
+  "description": "A tiny wrapper around Node.js streams.Transform (Streams2/3) to avoid explicit subclassing noise",
+  "devDependencies": {
+    "bl": "~2.0.1",
+    "faucet": "0.0.1",
+    "nyc": "~13.1.0",
+    "stream-spigot": "~3.0.6",
+    "tape": "~4.9.1"
+  },
+  "homepage": "https://github.com/rvagg/through2#readme",
+  "keywords": [
+    "stream",
+    "streams2",
+    "through",
+    "transform"
+  ],
+  "license": "MIT",
+  "main": "through2.js",
+  "name": "through2",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/rvagg/through2.git"
+  },
+  "scripts": {
+    "test": "nyc node test/test.js | faucet && nyc report"
+  },
+  "version": "3.0.2"
+}

node_modules/through2/through2.js

@@ -0,0 +1,95 @@
+var Transform = require('readable-stream').Transform
+  , inherits  = require('inherits')
+
+function DestroyableTransform(opts) {
+  Transform.call(this, opts)
+  this._destroyed = false
+}
+
+inherits(DestroyableTransform, Transform)
+
+DestroyableTransform.prototype.destroy = function(err) {
+  if (this._destroyed) return
+  this._destroyed = true
+  
+  var self = this
+  process.nextTick(function() {
+    if (err)
+      self.emit('error', err)
+    self.emit('close')
+  })
+}
+
+// a noop _transform function
+function noop (chunk, enc, callback) {
+  callback(null, chunk)
+}
+
+
+// create a new export function, used by both the main export and
+// the .ctor export, contains common logic for dealing with arguments
+function through2 (construct) {
+  return function (options, transform, flush) {
+    if (typeof options == 'function') {
+      flush     = transform
+      transform = options
+      options   = {}
+    }
+
+    if (typeof transform != 'function')
+      transform = noop
+
+    if (typeof flush != 'function')
+      flush = null
+
+    return construct(options, transform, flush)
+  }
+}
+
+
+// main export, just make me a transform stream!
+module.exports = through2(function (options, transform, flush) {
+  var t2 = new DestroyableTransform(options)
+
+  t2._transform = transform
+
+  if (flush)
+    t2._flush = flush
+
+  return t2
+})
+
+
+// make me a reusable prototype that I can `new`, or implicitly `new`
+// with a constructor call
+module.exports.ctor = through2(function (options, transform, flush) {
+  function Through2 (override) {
+    if (!(this instanceof Through2))
+      return new Through2(override)
+
+    this.options = Object.assign({}, options, override)
+
+    DestroyableTransform.call(this, this.options)
+  }
+
+  inherits(Through2, DestroyableTransform)
+
+  Through2.prototype._transform = transform
+
+  if (flush)
+    Through2.prototype._flush = flush
+
+  return Through2
+})
+
+
+module.exports.obj = through2(function (options, transform, flush) {
+  var t2 = new DestroyableTransform(Object.assign({ objectMode: true, highWaterMark: 16 }, options))
+
+  t2._transform = transform
+
+  if (flush)
+    t2._flush = flush
+
+  return t2
+})

node_modules/to-readable-stream/index.d.ts

@@ -0,0 +1,27 @@
+/// <reference types="node"/>
+import {Readable as ReadableStream} from 'stream';
+
+declare const toReadableStream: {
+	/**
+	Convert a `string`/`Buffer`/`Uint8Array` to a [readable stream](https://nodejs.org/api/stream.html#stream_readable_streams).
+
+	@param input - Value to convert to a stream.
+
+	@example
+	```
+	import toReadableStream = require('to-readable-stream');
+
+	toReadableStream('🦄🌈').pipe(process.stdout);
+	```
+	*/
+	(input: string | Buffer | Uint8Array): ReadableStream;
+
+	// TODO: Remove this for the next major release, refactor the whole definition to:
+	// declare function toReadableStream(
+	// 	input: string | Buffer | Uint8Array
+	// ): ReadableStream;
+	// export = toReadableStream;
+	default: typeof toReadableStream;
+};
+
+export = toReadableStream;

node_modules/to-readable-stream/index.js

@@ -0,0 +1,15 @@
+'use strict';
+const {Readable: ReadableStream} = require('stream');
+
+const toReadableStream = input => (
+	new ReadableStream({
+		read() {
+			this.push(input);
+			this.push(null);
+		}
+	})
+);
+
+module.exports = toReadableStream;
+// TODO: Remove this for the next major release
+module.exports.default = toReadableStream;

node_modules/to-readable-stream/license

@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.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.

node_modules/to-readable-stream/package.json

@@ -0,0 +1,74 @@
+{
+  "_from": "to-readable-stream@^2.1.0",
+  "_id": "to-readable-stream@2.1.0",
+  "_inBundle": false,
+  "_integrity": "sha512-o3Qa6DGg1CEXshSdvWNX2sN4QHqg03SPq7U6jPXRahlQdl5dK8oXjkU/2/sGrnOZKeGV1zLSO8qPwyKklPPE7w==",
+  "_location": "/to-readable-stream",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "to-readable-stream@^2.1.0",
+    "name": "to-readable-stream",
+    "escapedName": "to-readable-stream",
+    "rawSpec": "^2.1.0",
+    "saveSpec": null,
+    "fetchSpec": "^2.1.0"
+  },
+  "_requiredBy": [
+    "/neat-csv"
+  ],
+  "_resolved": "https://registry.npmjs.org/to-readable-stream/-/to-readable-stream-2.1.0.tgz",
+  "_shasum": "82880316121bea662cdc226adb30addb50cb06e8",
+  "_spec": "to-readable-stream@^2.1.0",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\neat-csv",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "bugs": {
+    "url": "https://github.com/sindresorhus/to-readable-stream/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "Convert a string/Buffer/Uint8Array to a readable stream",
+  "devDependencies": {
+    "ava": "^1.4.1",
+    "get-stream": "^5.0.0",
+    "tsd": "^0.7.2",
+    "xo": "^0.24.0"
+  },
+  "engines": {
+    "node": ">=8"
+  },
+  "files": [
+    "index.js",
+    "index.d.ts"
+  ],
+  "homepage": "https://github.com/sindresorhus/to-readable-stream#readme",
+  "keywords": [
+    "stream",
+    "readablestream",
+    "string",
+    "buffer",
+    "uint8array",
+    "from",
+    "into",
+    "to",
+    "transform",
+    "convert",
+    "readable",
+    "pull"
+  ],
+  "license": "MIT",
+  "name": "to-readable-stream",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/sindresorhus/to-readable-stream.git"
+  },
+  "scripts": {
+    "test": "xo && ava && tsd"
+  },
+  "version": "2.1.0"
+}

node_modules/to-readable-stream/readme.md

@@ -0,0 +1,42 @@
+# to-readable-stream [![Build Status](https://travis-ci.org/sindresorhus/to-readable-stream.svg?branch=master)](https://travis-ci.org/sindresorhus/to-readable-stream)
+
+> Convert a string/Buffer/Uint8Array to a [readable stream](https://nodejs.org/api/stream.html#stream_readable_streams)
+
+
+## Install
+
+```
+$ npm install to-readable-stream
+```
+
+
+## Usage
+
+```js
+const toReadableStream = require('to-readable-stream');
+
+toReadableStream('🦄🌈').pipe(process.stdout);
+```
+
+
+## API
+
+### toReadableStream(input)
+
+Returns a [`stream.Readable`](https://nodejs.org/api/stream.html#stream_readable_streams).
+
+#### input
+
+Type: `string` `Buffer` `Uint8Array`
+
+Value to convert to a stream.
+
+
+## Related
+
+- [into-stream](https://github.com/sindresorhus/into-stream) - More advanced version of this module
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)

node_modules/wrappy/LICENSE

@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

node_modules/wrappy/README.md

@@ -0,0 +1,36 @@
+# wrappy
+
+Callback wrapping utility
+
+## USAGE
+
+```javascript
+var wrappy = require("wrappy")
+
+// var wrapper = wrappy(wrapperFunction)
+
+// make sure a cb is called only once
+// See also: http://npm.im/once for this specific use case
+var once = wrappy(function (cb) {
+  var called = false
+  return function () {
+    if (called) return
+    called = true
+    return cb.apply(this, arguments)
+  }
+})
+
+function printBoo () {
+  console.log('boo')
+}
+// has some rando property
+printBoo.iAmBooPrinter = true
+
+var onlyPrintOnce = once(printBoo)
+
+onlyPrintOnce() // prints 'boo'
+onlyPrintOnce() // does nothing
+
+// random property is retained!
+assert.equal(onlyPrintOnce.iAmBooPrinter, true)
+```

node_modules/wrappy/package.json

@@ -0,0 +1,58 @@
+{
+  "_from": "wrappy@1",
+  "_id": "wrappy@1.0.2",
+  "_inBundle": false,
+  "_integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+  "_location": "/wrappy",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "wrappy@1",
+    "name": "wrappy",
+    "escapedName": "wrappy",
+    "rawSpec": "1",
+    "saveSpec": null,
+    "fetchSpec": "1"
+  },
+  "_requiredBy": [
+    "/once"
+  ],
+  "_resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+  "_shasum": "b5243d8f3ec1aa35f1364605bc0d1036e30ab69f",
+  "_spec": "wrappy@1",
+  "_where": "E:\\company\\node\\logistics_node\\node_modules\\once",
+  "author": {
+    "name": "Isaac Z. Schlueter",
+    "email": "i@izs.me",
+    "url": "http://blog.izs.me/"
+  },
+  "bugs": {
+    "url": "https://github.com/npm/wrappy/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {},
+  "deprecated": false,
+  "description": "Callback wrapping utility",
+  "devDependencies": {
+    "tap": "^2.3.1"
+  },
+  "directories": {
+    "test": "test"
+  },
+  "files": [
+    "wrappy.js"
+  ],
+  "homepage": "https://github.com/npm/wrappy",
+  "license": "ISC",
+  "main": "wrappy.js",
+  "name": "wrappy",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/npm/wrappy.git"
+  },
+  "scripts": {
+    "test": "tap --coverage test/*.js"
+  },
+  "version": "1.0.2"
+}

node_modules/wrappy/wrappy.js

@@ -0,0 +1,33 @@
+// Returns a wrapper function that returns a wrapped callback
+// The wrapper function should do some stuff, and return a
+// presumably different callback function.
+// This makes sure that own properties are retained, so that
+// decorations and such are not lost along the way.
+module.exports = wrappy
+function wrappy (fn, cb) {
+  if (fn && cb) return wrappy(fn)(cb)
+
+  if (typeof fn !== 'function')
+    throw new TypeError('need wrapper function')
+
+  Object.keys(fn).forEach(function (k) {
+    wrapper[k] = fn[k]
+  })
+
+  return wrapper
+
+  function wrapper() {
+    var args = new Array(arguments.length)
+    for (var i = 0; i < args.length; i++) {
+      args[i] = arguments[i]
+    }
+    var ret = fn.apply(this, args)
+    var cb = args[args.length-1]
+    if (typeof ret === 'function' && ret !== cb) {
+      Object.keys(cb).forEach(function (k) {
+        ret[k] = cb[k]
+      })
+    }
+    return ret
+  }
+}

package-lock.json

@@ -266,6 +266,15 @@
       "resolved": "https://registry.npm.taobao.org/css-stringify/download/css-stringify-1.0.5.tgz",
       "integrity": "sha1-sNBClG2ylTu50pKQCmy19tASIDE="
     },
+    "csv-parser": {
+      "version": "2.3.5",
+      "resolved": "https://registry.npmjs.org/csv-parser/-/csv-parser-2.3.5.tgz",
+      "integrity": "sha512-LCHolC4AlNwL+5EuD5LH2VVNKpD8QixZW2zzK1XmrVYUaslFY4c5BooERHOCIubG9iv/DAyFjs4x0HvWNZuyWg==",
+      "requires": {
+        "minimist": "^1.2.0",
+        "through2": "^3.0.1"
+      }
+    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.nlark.com/debug/download/debug-2.6.9.tgz?cache=0&sync_timestamp=1625374648057&other_urls=https%3A%2F%2Fregistry.nlark.com%2Fdebug%2Fdownload%2Fdebug-2.6.9.tgz",
@@ -308,6 +317,14 @@
       "resolved": "https://registry.nlark.com/encodeurl/download/encodeurl-1.0.2.tgz",
       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
     },
+    "end-of-stream": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
+      "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
+      "requires": {
+        "once": "^1.4.0"
+      }
+    },
     "es6-promise": {
       "version": "4.2.8",
       "resolved": "https://registry.nlark.com/es6-promise/download/es6-promise-4.2.8.tgz",
@@ -416,6 +433,14 @@
       "resolved": "https://registry.npm.taobao.org/fresh/download/fresh-0.5.2.tgz",
       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
+    "get-stream": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-5.2.0.tgz",
+      "integrity": "sha512-nBF+F1rAZVCu/p7rjzgA+Yb4lfYXrpl7a6VmJrU8wF9I1CKvP/QwPNZHnOlwbTkY6dvtFIzFMSyQXbLoTQPRpA==",
+      "requires": {
+        "pump": "^3.0.0"
+      }
+    },
     "graceful-readlink": {
       "version": "1.0.1",
       "resolved": "https://registry.npm.taobao.org/graceful-readlink/download/graceful-readlink-1.0.1.tgz",
@@ -587,6 +612,16 @@
         "xtend": "^4.0.0"
       }
     },
+    "neat-csv": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/neat-csv/-/neat-csv-5.2.0.tgz",
+      "integrity": "sha512-JMbn4RPKo1heWhDihK9kbffxkDdd2uFSk30t3YOz1u3gsbIGhGUNlmGGa5H9yySLie3qU4lsLwrxQyirExD71A==",
+      "requires": {
+        "csv-parser": "^2.3.2",
+        "get-stream": "^5.1.0",
+        "to-readable-stream": "^2.1.0"
+      }
+    },
     "negotiator": {
       "version": "0.6.2",
       "resolved": "https://registry.npm.taobao.org/negotiator/download/negotiator-0.6.2.tgz",
@@ -610,6 +645,14 @@
       "resolved": "https://registry.nlark.com/on-headers/download/on-headers-1.0.2.tgz",
       "integrity": "sha1-dysK5qqlJcOZ5Imt+tkMQD6zwo8="
     },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "requires": {
+        "wrappy": "1"
+      }
+    },
     "optimist": {
       "version": "0.3.7",
       "resolved": "https://registry.nlark.com/optimist/download/optimist-0.3.7.tgz?cache=0&sync_timestamp=1618847675033&other_urls=https%3A%2F%2Fregistry.nlark.com%2Foptimist%2Fdownload%2Foptimist-0.3.7.tgz",
@@ -650,6 +693,15 @@
         "ipaddr.js": "1.9.1"
       }
     },
+    "pump": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
+      "integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
+      "requires": {
+        "end-of-stream": "^1.1.0",
+        "once": "^1.3.1"
+      }
+    },
     "qs": {
       "version": "6.5.2",
       "resolved": "https://registry.nlark.com/qs/download/qs-6.5.2.tgz",
@@ -705,6 +757,11 @@
       "resolved": "https://registry.nlark.com/safer-buffer/download/safer-buffer-2.1.2.tgz",
       "integrity": "sha1-RPoWGwGHuVSd2Eu5GAL5vYOFzWo="
     },
+    "sec": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/sec/-/sec-1.0.0.tgz",
+      "integrity": "sha1-Az1go60g7PLgCUDRT5eCNGV3QzU="
+    },
     "send": {
       "version": "0.16.2",
       "resolved": "https://registry.nlark.com/send/download/send-0.16.2.tgz?cache=0&sync_timestamp=1618846901933&other_urls=https%3A%2F%2Fregistry.nlark.com%2Fsend%2Fdownload%2Fsend-0.16.2.tgz",
@@ -764,11 +821,64 @@
       "resolved": "https://registry.nlark.com/string_decoder/download/string_decoder-0.10.31.tgz",
       "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
     },
+    "tasklist": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/tasklist/-/tasklist-4.0.1.tgz",
+      "integrity": "sha512-7LJMIp/Q1MjXCeyVmhccCL5+hIfFeH6uL8PqJZ/TmF4RuWnj8wYpXW5lDRLKkIjm93pMtFV6ERd5I0c3NJ82yQ==",
+      "requires": {
+        "neat-csv": "^5.0.0",
+        "sec": "^1.0.0"
+      }
+    },
+    "through2": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.2.tgz",
+      "integrity": "sha512-enaDQ4MUyP2W6ZyT6EsMzqBPZaM/avg8iuo+l2d3QCs0J+6RaqkHV/2/lOwDTueBHeJ/2LG9lrLW3d5rWPucuQ==",
+      "requires": {
+        "inherits": "^2.0.4",
+        "readable-stream": "2 || 3"
+      },
+      "dependencies": {
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+        },
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        },
+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+        },
+        "string_decoder": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+          "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+          "requires": {
+            "safe-buffer": "~5.2.0"
+          }
+        }
+      }
+    },
     "tiny-emitter": {
       "version": "2.1.0",
       "resolved": "https://registry.npm.taobao.org/tiny-emitter/download/tiny-emitter-2.1.0.tgz",
       "integrity": "sha1-HRpW7fxRxD6GPLtTgqcjMONVVCM="
     },
+    "to-readable-stream": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/to-readable-stream/-/to-readable-stream-2.1.0.tgz",
+      "integrity": "sha512-o3Qa6DGg1CEXshSdvWNX2sN4QHqg03SPq7U6jPXRahlQdl5dK8oXjkU/2/sGrnOZKeGV1zLSO8qPwyKklPPE7w=="
+    },
     "transformers": {
       "version": "2.1.0",
       "resolved": "https://registry.npm.taobao.org/transformers/download/transformers-2.1.0.tgz",
@@ -899,6 +1009,11 @@
       "resolved": "https://registry.nlark.com/wordwrap/download/wordwrap-0.0.3.tgz",
       "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
     },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    },
     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npm.taobao.org/xtend/download/xtend-4.0.2.tgz",

package.json

@@ -16,6 +16,7 @@
     "jade": "~1.11.0",
     "morgan": "~1.9.1",
     "multer": "^1.4.2",
+    "tasklist": "^4.0.1",
     "tiny-emitter": "^2.1.0"
   }
 }

routes/hk_video.js

@@ -0,0 +1,5 @@
+const express = require('express');
+const router = express.Router();
+const hkVideo = require('../job/hk_video');
+router.get('/view_video', hkVideo.viewVideo);
+module.exports = router;

routes/index.js

@@ -2,6 +2,7 @@ const express = require('express');
 const router = express.Router();
 const styleRouter = require('./antv_styles');
 const stockRouter = require('./stock');
+const hkVideoRouter = require('./hk_video');
 /* GET home page. */
 router.get('/', function(req, res, next) {
     res.render('index', { title: 'logistics-node' });
@@ -9,4 +10,5 @@ router.get('/', function(req, res, next) {
 
 router.use('/antv-styles', styleRouter);
 router.use('/stock', stockRouter);
+router.use('/hk_video', hkVideoRouter);
 module.exports = router;