some deletions
[dotfiles/.git] / .config / coc / extensions / node_modules / coc-go / node_modules / node-fetch / lib / index.js
diff --git a/.config/coc/extensions/node_modules/coc-go/node_modules/node-fetch/lib/index.js b/.config/coc/extensions/node_modules/coc-go/node_modules/node-fetch/lib/index.js
deleted file mode 100644 (file)
index 4b241bf..0000000
+++ /dev/null
@@ -1,1649 +0,0 @@
-'use strict';
-
-Object.defineProperty(exports, '__esModule', { value: true });
-
-function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
-
-var Stream = _interopDefault(require('stream'));
-var http = _interopDefault(require('http'));
-var Url = _interopDefault(require('url'));
-var https = _interopDefault(require('https'));
-var zlib = _interopDefault(require('zlib'));
-
-// Based on https://github.com/tmpvar/jsdom/blob/aa85b2abf07766ff7bf5c1f6daafb3726f2f2db5/lib/jsdom/living/blob.js
-
-// fix for "Readable" isn't a named export issue
-const Readable = Stream.Readable;
-
-const BUFFER = Symbol('buffer');
-const TYPE = Symbol('type');
-
-class Blob {
-       constructor() {
-               this[TYPE] = '';
-
-               const blobParts = arguments[0];
-               const options = arguments[1];
-
-               const buffers = [];
-               let size = 0;
-
-               if (blobParts) {
-                       const a = blobParts;
-                       const length = Number(a.length);
-                       for (let i = 0; i < length; i++) {
-                               const element = a[i];
-                               let buffer;
-                               if (element instanceof Buffer) {
-                                       buffer = element;
-                               } else if (ArrayBuffer.isView(element)) {
-                                       buffer = Buffer.from(element.buffer, element.byteOffset, element.byteLength);
-                               } else if (element instanceof ArrayBuffer) {
-                                       buffer = Buffer.from(element);
-                               } else if (element instanceof Blob) {
-                                       buffer = element[BUFFER];
-                               } else {
-                                       buffer = Buffer.from(typeof element === 'string' ? element : String(element));
-                               }
-                               size += buffer.length;
-                               buffers.push(buffer);
-                       }
-               }
-
-               this[BUFFER] = Buffer.concat(buffers);
-
-               let type = options && options.type !== undefined && String(options.type).toLowerCase();
-               if (type && !/[^\u0020-\u007E]/.test(type)) {
-                       this[TYPE] = type;
-               }
-       }
-       get size() {
-               return this[BUFFER].length;
-       }
-       get type() {
-               return this[TYPE];
-       }
-       text() {
-               return Promise.resolve(this[BUFFER].toString());
-       }
-       arrayBuffer() {
-               const buf = this[BUFFER];
-               const ab = buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength);
-               return Promise.resolve(ab);
-       }
-       stream() {
-               const readable = new Readable();
-               readable._read = function () {};
-               readable.push(this[BUFFER]);
-               readable.push(null);
-               return readable;
-       }
-       toString() {
-               return '[object Blob]';
-       }
-       slice() {
-               const size = this.size;
-
-               const start = arguments[0];
-               const end = arguments[1];
-               let relativeStart, relativeEnd;
-               if (start === undefined) {
-                       relativeStart = 0;
-               } else if (start < 0) {
-                       relativeStart = Math.max(size + start, 0);
-               } else {
-                       relativeStart = Math.min(start, size);
-               }
-               if (end === undefined) {
-                       relativeEnd = size;
-               } else if (end < 0) {
-                       relativeEnd = Math.max(size + end, 0);
-               } else {
-                       relativeEnd = Math.min(end, size);
-               }
-               const span = Math.max(relativeEnd - relativeStart, 0);
-
-               const buffer = this[BUFFER];
-               const slicedBuffer = buffer.slice(relativeStart, relativeStart + span);
-               const blob = new Blob([], { type: arguments[2] });
-               blob[BUFFER] = slicedBuffer;
-               return blob;
-       }
-}
-
-Object.defineProperties(Blob.prototype, {
-       size: { enumerable: true },
-       type: { enumerable: true },
-       slice: { enumerable: true }
-});
-
-Object.defineProperty(Blob.prototype, Symbol.toStringTag, {
-       value: 'Blob',
-       writable: false,
-       enumerable: false,
-       configurable: true
-});
-
-/**
- * fetch-error.js
- *
- * FetchError interface for operational errors
- */
-
-/**
- * Create FetchError instance
- *
- * @param   String      message      Error message for human
- * @param   String      type         Error type for machine
- * @param   String      systemError  For Node.js system error
- * @return  FetchError
- */
-function FetchError(message, type, systemError) {
-  Error.call(this, message);
-
-  this.message = message;
-  this.type = type;
-
-  // when err.type is `system`, err.code contains system error code
-  if (systemError) {
-    this.code = this.errno = systemError.code;
-  }
-
-  // hide custom error implementation details from end-users
-  Error.captureStackTrace(this, this.constructor);
-}
-
-FetchError.prototype = Object.create(Error.prototype);
-FetchError.prototype.constructor = FetchError;
-FetchError.prototype.name = 'FetchError';
-
-let convert;
-try {
-       convert = require('encoding').convert;
-} catch (e) {}
-
-const INTERNALS = Symbol('Body internals');
-
-// fix an issue where "PassThrough" isn't a named export for node <10
-const PassThrough = Stream.PassThrough;
-
-/**
- * Body mixin
- *
- * Ref: https://fetch.spec.whatwg.org/#body
- *
- * @param   Stream  body  Readable stream
- * @param   Object  opts  Response options
- * @return  Void
- */
-function Body(body) {
-       var _this = this;
-
-       var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
-           _ref$size = _ref.size;
-
-       let size = _ref$size === undefined ? 0 : _ref$size;
-       var _ref$timeout = _ref.timeout;
-       let timeout = _ref$timeout === undefined ? 0 : _ref$timeout;
-
-       if (body == null) {
-               // body is undefined or null
-               body = null;
-       } else if (isURLSearchParams(body)) {
-               // body is a URLSearchParams
-               body = Buffer.from(body.toString());
-       } else if (isBlob(body)) ; else if (Buffer.isBuffer(body)) ; else if (Object.prototype.toString.call(body) === '[object ArrayBuffer]') {
-               // body is ArrayBuffer
-               body = Buffer.from(body);
-       } else if (ArrayBuffer.isView(body)) {
-               // body is ArrayBufferView
-               body = Buffer.from(body.buffer, body.byteOffset, body.byteLength);
-       } else if (body instanceof Stream) ; else {
-               // none of the above
-               // coerce to string then buffer
-               body = Buffer.from(String(body));
-       }
-       this[INTERNALS] = {
-               body,
-               disturbed: false,
-               error: null
-       };
-       this.size = size;
-       this.timeout = timeout;
-
-       if (body instanceof Stream) {
-               body.on('error', function (err) {
-                       const error = err.name === 'AbortError' ? err : new FetchError(`Invalid response body while trying to fetch ${_this.url}: ${err.message}`, 'system', err);
-                       _this[INTERNALS].error = error;
-               });
-       }
-}
-
-Body.prototype = {
-       get body() {
-               return this[INTERNALS].body;
-       },
-
-       get bodyUsed() {
-               return this[INTERNALS].disturbed;
-       },
-
-       /**
-  * Decode response as ArrayBuffer
-  *
-  * @return  Promise
-  */
-       arrayBuffer() {
-               return consumeBody.call(this).then(function (buf) {
-                       return buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength);
-               });
-       },
-
-       /**
-  * Return raw response as Blob
-  *
-  * @return Promise
-  */
-       blob() {
-               let ct = this.headers && this.headers.get('content-type') || '';
-               return consumeBody.call(this).then(function (buf) {
-                       return Object.assign(
-                       // Prevent copying
-                       new Blob([], {
-                               type: ct.toLowerCase()
-                       }), {
-                               [BUFFER]: buf
-                       });
-               });
-       },
-
-       /**
-  * Decode response as json
-  *
-  * @return  Promise
-  */
-       json() {
-               var _this2 = this;
-
-               return consumeBody.call(this).then(function (buffer) {
-                       try {
-                               return JSON.parse(buffer.toString());
-                       } catch (err) {
-                               return Body.Promise.reject(new FetchError(`invalid json response body at ${_this2.url} reason: ${err.message}`, 'invalid-json'));
-                       }
-               });
-       },
-
-       /**
-  * Decode response as text
-  *
-  * @return  Promise
-  */
-       text() {
-               return consumeBody.call(this).then(function (buffer) {
-                       return buffer.toString();
-               });
-       },
-
-       /**
-  * Decode response as buffer (non-spec api)
-  *
-  * @return  Promise
-  */
-       buffer() {
-               return consumeBody.call(this);
-       },
-
-       /**
-  * Decode response as text, while automatically detecting the encoding and
-  * trying to decode to UTF-8 (non-spec api)
-  *
-  * @return  Promise
-  */
-       textConverted() {
-               var _this3 = this;
-
-               return consumeBody.call(this).then(function (buffer) {
-                       return convertBody(buffer, _this3.headers);
-               });
-       }
-};
-
-// In browsers, all properties are enumerable.
-Object.defineProperties(Body.prototype, {
-       body: { enumerable: true },
-       bodyUsed: { enumerable: true },
-       arrayBuffer: { enumerable: true },
-       blob: { enumerable: true },
-       json: { enumerable: true },
-       text: { enumerable: true }
-});
-
-Body.mixIn = function (proto) {
-       for (const name of Object.getOwnPropertyNames(Body.prototype)) {
-               // istanbul ignore else: future proof
-               if (!(name in proto)) {
-                       const desc = Object.getOwnPropertyDescriptor(Body.prototype, name);
-                       Object.defineProperty(proto, name, desc);
-               }
-       }
-};
-
-/**
- * Consume and convert an entire Body to a Buffer.
- *
- * Ref: https://fetch.spec.whatwg.org/#concept-body-consume-body
- *
- * @return  Promise
- */
-function consumeBody() {
-       var _this4 = this;
-
-       if (this[INTERNALS].disturbed) {
-               return Body.Promise.reject(new TypeError(`body used already for: ${this.url}`));
-       }
-
-       this[INTERNALS].disturbed = true;
-
-       if (this[INTERNALS].error) {
-               return Body.Promise.reject(this[INTERNALS].error);
-       }
-
-       let body = this.body;
-
-       // body is null
-       if (body === null) {
-               return Body.Promise.resolve(Buffer.alloc(0));
-       }
-
-       // body is blob
-       if (isBlob(body)) {
-               body = body.stream();
-       }
-
-       // body is buffer
-       if (Buffer.isBuffer(body)) {
-               return Body.Promise.resolve(body);
-       }
-
-       // istanbul ignore if: should never happen
-       if (!(body instanceof Stream)) {
-               return Body.Promise.resolve(Buffer.alloc(0));
-       }
-
-       // body is stream
-       // get ready to actually consume the body
-       let accum = [];
-       let accumBytes = 0;
-       let abort = false;
-
-       return new Body.Promise(function (resolve, reject) {
-               let resTimeout;
-
-               // allow timeout on slow response body
-               if (_this4.timeout) {
-                       resTimeout = setTimeout(function () {
-                               abort = true;
-                               reject(new FetchError(`Response timeout while trying to fetch ${_this4.url} (over ${_this4.timeout}ms)`, 'body-timeout'));
-                       }, _this4.timeout);
-               }
-
-               // handle stream errors
-               body.on('error', function (err) {
-                       if (err.name === 'AbortError') {
-                               // if the request was aborted, reject with this Error
-                               abort = true;
-                               reject(err);
-                       } else {
-                               // other errors, such as incorrect content-encoding
-                               reject(new FetchError(`Invalid response body while trying to fetch ${_this4.url}: ${err.message}`, 'system', err));
-                       }
-               });
-
-               body.on('data', function (chunk) {
-                       if (abort || chunk === null) {
-                               return;
-                       }
-
-                       if (_this4.size && accumBytes + chunk.length > _this4.size) {
-                               abort = true;
-                               reject(new FetchError(`content size at ${_this4.url} over limit: ${_this4.size}`, 'max-size'));
-                               return;
-                       }
-
-                       accumBytes += chunk.length;
-                       accum.push(chunk);
-               });
-
-               body.on('end', function () {
-                       if (abort) {
-                               return;
-                       }
-
-                       clearTimeout(resTimeout);
-
-                       try {
-                               resolve(Buffer.concat(accum, accumBytes));
-                       } catch (err) {
-                               // handle streams that have accumulated too much data (issue #414)
-                               reject(new FetchError(`Could not create Buffer from response body for ${_this4.url}: ${err.message}`, 'system', err));
-                       }
-               });
-       });
-}
-
-/**
- * Detect buffer encoding and convert to target encoding
- * ref: http://www.w3.org/TR/2011/WD-html5-20110113/parsing.html#determining-the-character-encoding
- *
- * @param   Buffer  buffer    Incoming buffer
- * @param   String  encoding  Target encoding
- * @return  String
- */
-function convertBody(buffer, headers) {
-       if (typeof convert !== 'function') {
-               throw new Error('The package `encoding` must be installed to use the textConverted() function');
-       }
-
-       const ct = headers.get('content-type');
-       let charset = 'utf-8';
-       let res, str;
-
-       // header
-       if (ct) {
-               res = /charset=([^;]*)/i.exec(ct);
-       }
-
-       // no charset in content type, peek at response body for at most 1024 bytes
-       str = buffer.slice(0, 1024).toString();
-
-       // html5
-       if (!res && str) {
-               res = /<meta.+?charset=(['"])(.+?)\1/i.exec(str);
-       }
-
-       // html4
-       if (!res && str) {
-               res = /<meta[\s]+?http-equiv=(['"])content-type\1[\s]+?content=(['"])(.+?)\2/i.exec(str);
-               if (!res) {
-                       res = /<meta[\s]+?content=(['"])(.+?)\1[\s]+?http-equiv=(['"])content-type\3/i.exec(str);
-                       if (res) {
-                               res.pop(); // drop last quote
-                       }
-               }
-
-               if (res) {
-                       res = /charset=(.*)/i.exec(res.pop());
-               }
-       }
-
-       // xml
-       if (!res && str) {
-               res = /<\?xml.+?encoding=(['"])(.+?)\1/i.exec(str);
-       }
-
-       // found charset
-       if (res) {
-               charset = res.pop();
-
-               // prevent decode issues when sites use incorrect encoding
-               // ref: https://hsivonen.fi/encoding-menu/
-               if (charset === 'gb2312' || charset === 'gbk') {
-                       charset = 'gb18030';
-               }
-       }
-
-       // turn raw buffers into a single utf-8 buffer
-       return convert(buffer, 'UTF-8', charset).toString();
-}
-
-/**
- * Detect a URLSearchParams object
- * ref: https://github.com/bitinn/node-fetch/issues/296#issuecomment-307598143
- *
- * @param   Object  obj     Object to detect by type or brand
- * @return  String
- */
-function isURLSearchParams(obj) {
-       // Duck-typing as a necessary condition.
-       if (typeof obj !== 'object' || typeof obj.append !== 'function' || typeof obj.delete !== 'function' || typeof obj.get !== 'function' || typeof obj.getAll !== 'function' || typeof obj.has !== 'function' || typeof obj.set !== 'function') {
-               return false;
-       }
-
-       // Brand-checking and more duck-typing as optional condition.
-       return obj.constructor.name === 'URLSearchParams' || Object.prototype.toString.call(obj) === '[object URLSearchParams]' || typeof obj.sort === 'function';
-}
-
-/**
- * Check if `obj` is a W3C `Blob` object (which `File` inherits from)
- * @param  {*} obj
- * @return {boolean}
- */
-function isBlob(obj) {
-       return typeof obj === 'object' && typeof obj.arrayBuffer === 'function' && typeof obj.type === 'string' && typeof obj.stream === 'function' && typeof obj.constructor === 'function' && typeof obj.constructor.name === 'string' && /^(Blob|File)$/.test(obj.constructor.name) && /^(Blob|File)$/.test(obj[Symbol.toStringTag]);
-}
-
-/**
- * Clone body given Res/Req instance
- *
- * @param   Mixed  instance  Response or Request instance
- * @return  Mixed
- */
-function clone(instance) {
-       let p1, p2;
-       let body = instance.body;
-
-       // don't allow cloning a used body
-       if (instance.bodyUsed) {
-               throw new Error('cannot clone body after it is used');
-       }
-
-       // check that body is a stream and not form-data object
-       // note: we can't clone the form-data object without having it as a dependency
-       if (body instanceof Stream && typeof body.getBoundary !== 'function') {
-               // tee instance body
-               p1 = new PassThrough();
-               p2 = new PassThrough();
-               body.pipe(p1);
-               body.pipe(p2);
-               // set instance body to teed body and return the other teed body
-               instance[INTERNALS].body = p1;
-               body = p2;
-       }
-
-       return body;
-}
-
-/**
- * Performs the operation "extract a `Content-Type` value from |object|" as
- * specified in the specification:
- * https://fetch.spec.whatwg.org/#concept-bodyinit-extract
- *
- * This function assumes that instance.body is present.
- *
- * @param   Mixed  instance  Any options.body input
- */
-function extractContentType(body) {
-       if (body === null) {
-               // body is null
-               return null;
-       } else if (typeof body === 'string') {
-               // body is string
-               return 'text/plain;charset=UTF-8';
-       } else if (isURLSearchParams(body)) {
-               // body is a URLSearchParams
-               return 'application/x-www-form-urlencoded;charset=UTF-8';
-       } else if (isBlob(body)) {
-               // body is blob
-               return body.type || null;
-       } else if (Buffer.isBuffer(body)) {
-               // body is buffer
-               return null;
-       } else if (Object.prototype.toString.call(body) === '[object ArrayBuffer]') {
-               // body is ArrayBuffer
-               return null;
-       } else if (ArrayBuffer.isView(body)) {
-               // body is ArrayBufferView
-               return null;
-       } else if (typeof body.getBoundary === 'function') {
-               // detect form data input from form-data module
-               return `multipart/form-data;boundary=${body.getBoundary()}`;
-       } else if (body instanceof Stream) {
-               // body is stream
-               // can't really do much about this
-               return null;
-       } else {
-               // Body constructor defaults other things to string
-               return 'text/plain;charset=UTF-8';
-       }
-}
-
-/**
- * The Fetch Standard treats this as if "total bytes" is a property on the body.
- * For us, we have to explicitly get it with a function.
- *
- * ref: https://fetch.spec.whatwg.org/#concept-body-total-bytes
- *
- * @param   Body    instance   Instance of Body
- * @return  Number?            Number of bytes, or null if not possible
- */
-function getTotalBytes(instance) {
-       const body = instance.body;
-
-
-       if (body === null) {
-               // body is null
-               return 0;
-       } else if (isBlob(body)) {
-               return body.size;
-       } else if (Buffer.isBuffer(body)) {
-               // body is buffer
-               return body.length;
-       } else if (body && typeof body.getLengthSync === 'function') {
-               // detect form data input from form-data module
-               if (body._lengthRetrievers && body._lengthRetrievers.length == 0 || // 1.x
-               body.hasKnownLength && body.hasKnownLength()) {
-                       // 2.x
-                       return body.getLengthSync();
-               }
-               return null;
-       } else {
-               // body is stream
-               return null;
-       }
-}
-
-/**
- * Write a Body to a Node.js WritableStream (e.g. http.Request) object.
- *
- * @param   Body    instance   Instance of Body
- * @return  Void
- */
-function writeToStream(dest, instance) {
-       const body = instance.body;
-
-
-       if (body === null) {
-               // body is null
-               dest.end();
-       } else if (isBlob(body)) {
-               body.stream().pipe(dest);
-       } else if (Buffer.isBuffer(body)) {
-               // body is buffer
-               dest.write(body);
-               dest.end();
-       } else {
-               // body is stream
-               body.pipe(dest);
-       }
-}
-
-// expose Promise
-Body.Promise = global.Promise;
-
-/**
- * headers.js
- *
- * Headers class offers convenient helpers
- */
-
-const invalidTokenRegex = /[^\^_`a-zA-Z\-0-9!#$%&'*+.|~]/;
-const invalidHeaderCharRegex = /[^\t\x20-\x7e\x80-\xff]/;
-
-function validateName(name) {
-       name = `${name}`;
-       if (invalidTokenRegex.test(name) || name === '') {
-               throw new TypeError(`${name} is not a legal HTTP header name`);
-       }
-}
-
-function validateValue(value) {
-       value = `${value}`;
-       if (invalidHeaderCharRegex.test(value)) {
-               throw new TypeError(`${value} is not a legal HTTP header value`);
-       }
-}
-
-/**
- * Find the key in the map object given a header name.
- *
- * Returns undefined if not found.
- *
- * @param   String  name  Header name
- * @return  String|Undefined
- */
-function find(map, name) {
-       name = name.toLowerCase();
-       for (const key in map) {
-               if (key.toLowerCase() === name) {
-                       return key;
-               }
-       }
-       return undefined;
-}
-
-const MAP = Symbol('map');
-class Headers {
-       /**
-  * Headers class
-  *
-  * @param   Object  headers  Response headers
-  * @return  Void
-  */
-       constructor() {
-               let init = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : undefined;
-
-               this[MAP] = Object.create(null);
-
-               if (init instanceof Headers) {
-                       const rawHeaders = init.raw();
-                       const headerNames = Object.keys(rawHeaders);
-
-                       for (const headerName of headerNames) {
-                               for (const value of rawHeaders[headerName]) {
-                                       this.append(headerName, value);
-                               }
-                       }
-
-                       return;
-               }
-
-               // We don't worry about converting prop to ByteString here as append()
-               // will handle it.
-               if (init == null) ; else if (typeof init === 'object') {
-                       const method = init[Symbol.iterator];
-                       if (method != null) {
-                               if (typeof method !== 'function') {
-                                       throw new TypeError('Header pairs must be iterable');
-                               }
-
-                               // sequence<sequence<ByteString>>
-                               // Note: per spec we have to first exhaust the lists then process them
-                               const pairs = [];
-                               for (const pair of init) {
-                                       if (typeof pair !== 'object' || typeof pair[Symbol.iterator] !== 'function') {
-                                               throw new TypeError('Each header pair must be iterable');
-                                       }
-                                       pairs.push(Array.from(pair));
-                               }
-
-                               for (const pair of pairs) {
-                                       if (pair.length !== 2) {
-                                               throw new TypeError('Each header pair must be a name/value tuple');
-                                       }
-                                       this.append(pair[0], pair[1]);
-                               }
-                       } else {
-                               // record<ByteString, ByteString>
-                               for (const key of Object.keys(init)) {
-                                       const value = init[key];
-                                       this.append(key, value);
-                               }
-                       }
-               } else {
-                       throw new TypeError('Provided initializer must be an object');
-               }
-       }
-
-       /**
-  * Return combined header value given name
-  *
-  * @param   String  name  Header name
-  * @return  Mixed
-  */
-       get(name) {
-               name = `${name}`;
-               validateName(name);
-               const key = find(this[MAP], name);
-               if (key === undefined) {
-                       return null;
-               }
-
-               return this[MAP][key].join(', ');
-       }
-
-       /**
-  * Iterate over all headers
-  *
-  * @param   Function  callback  Executed for each item with parameters (value, name, thisArg)
-  * @param   Boolean   thisArg   `this` context for callback function
-  * @return  Void
-  */
-       forEach(callback) {
-               let thisArg = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : undefined;
-
-               let pairs = getHeaders(this);
-               let i = 0;
-               while (i < pairs.length) {
-                       var _pairs$i = pairs[i];
-                       const name = _pairs$i[0],
-                             value = _pairs$i[1];
-
-                       callback.call(thisArg, value, name, this);
-                       pairs = getHeaders(this);
-                       i++;
-               }
-       }
-
-       /**
-  * Overwrite header values given name
-  *
-  * @param   String  name   Header name
-  * @param   String  value  Header value
-  * @return  Void
-  */
-       set(name, value) {
-               name = `${name}`;
-               value = `${value}`;
-               validateName(name);
-               validateValue(value);
-               const key = find(this[MAP], name);
-               this[MAP][key !== undefined ? key : name] = [value];
-       }
-
-       /**
-  * Append a value onto existing header
-  *
-  * @param   String  name   Header name
-  * @param   String  value  Header value
-  * @return  Void
-  */
-       append(name, value) {
-               name = `${name}`;
-               value = `${value}`;
-               validateName(name);
-               validateValue(value);
-               const key = find(this[MAP], name);
-               if (key !== undefined) {
-                       this[MAP][key].push(value);
-               } else {
-                       this[MAP][name] = [value];
-               }
-       }
-
-       /**
-  * Check for header name existence
-  *
-  * @param   String   name  Header name
-  * @return  Boolean
-  */
-       has(name) {
-               name = `${name}`;
-               validateName(name);
-               return find(this[MAP], name) !== undefined;
-       }
-
-       /**
-  * Delete all header values given name
-  *
-  * @param   String  name  Header name
-  * @return  Void
-  */
-       delete(name) {
-               name = `${name}`;
-               validateName(name);
-               const key = find(this[MAP], name);
-               if (key !== undefined) {
-                       delete this[MAP][key];
-               }
-       }
-
-       /**
-  * Return raw headers (non-spec api)
-  *
-  * @return  Object
-  */
-       raw() {
-               return this[MAP];
-       }
-
-       /**
-  * Get an iterator on keys.
-  *
-  * @return  Iterator
-  */
-       keys() {
-               return createHeadersIterator(this, 'key');
-       }
-
-       /**
-  * Get an iterator on values.
-  *
-  * @return  Iterator
-  */
-       values() {
-               return createHeadersIterator(this, 'value');
-       }
-
-       /**
-  * Get an iterator on entries.
-  *
-  * This is the default iterator of the Headers object.
-  *
-  * @return  Iterator
-  */
-       [Symbol.iterator]() {
-               return createHeadersIterator(this, 'key+value');
-       }
-}
-Headers.prototype.entries = Headers.prototype[Symbol.iterator];
-
-Object.defineProperty(Headers.prototype, Symbol.toStringTag, {
-       value: 'Headers',
-       writable: false,
-       enumerable: false,
-       configurable: true
-});
-
-Object.defineProperties(Headers.prototype, {
-       get: { enumerable: true },
-       forEach: { enumerable: true },
-       set: { enumerable: true },
-       append: { enumerable: true },
-       has: { enumerable: true },
-       delete: { enumerable: true },
-       keys: { enumerable: true },
-       values: { enumerable: true },
-       entries: { enumerable: true }
-});
-
-function getHeaders(headers) {
-       let kind = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'key+value';
-
-       const keys = Object.keys(headers[MAP]).sort();
-       return keys.map(kind === 'key' ? function (k) {
-               return k.toLowerCase();
-       } : kind === 'value' ? function (k) {
-               return headers[MAP][k].join(', ');
-       } : function (k) {
-               return [k.toLowerCase(), headers[MAP][k].join(', ')];
-       });
-}
-
-const INTERNAL = Symbol('internal');
-
-function createHeadersIterator(target, kind) {
-       const iterator = Object.create(HeadersIteratorPrototype);
-       iterator[INTERNAL] = {
-               target,
-               kind,
-               index: 0
-       };
-       return iterator;
-}
-
-const HeadersIteratorPrototype = Object.setPrototypeOf({
-       next() {
-               // istanbul ignore if
-               if (!this || Object.getPrototypeOf(this) !== HeadersIteratorPrototype) {
-                       throw new TypeError('Value of `this` is not a HeadersIterator');
-               }
-
-               var _INTERNAL = this[INTERNAL];
-               const target = _INTERNAL.target,
-                     kind = _INTERNAL.kind,
-                     index = _INTERNAL.index;
-
-               const values = getHeaders(target, kind);
-               const len = values.length;
-               if (index >= len) {
-                       return {
-                               value: undefined,
-                               done: true
-                       };
-               }
-
-               this[INTERNAL].index = index + 1;
-
-               return {
-                       value: values[index],
-                       done: false
-               };
-       }
-}, Object.getPrototypeOf(Object.getPrototypeOf([][Symbol.iterator]())));
-
-Object.defineProperty(HeadersIteratorPrototype, Symbol.toStringTag, {
-       value: 'HeadersIterator',
-       writable: false,
-       enumerable: false,
-       configurable: true
-});
-
-/**
- * Export the Headers object in a form that Node.js can consume.
- *
- * @param   Headers  headers
- * @return  Object
- */
-function exportNodeCompatibleHeaders(headers) {
-       const obj = Object.assign({ __proto__: null }, headers[MAP]);
-
-       // http.request() only supports string as Host header. This hack makes
-       // specifying custom Host header possible.
-       const hostHeaderKey = find(headers[MAP], 'Host');
-       if (hostHeaderKey !== undefined) {
-               obj[hostHeaderKey] = obj[hostHeaderKey][0];
-       }
-
-       return obj;
-}
-
-/**
- * Create a Headers object from an object of headers, ignoring those that do
- * not conform to HTTP grammar productions.
- *
- * @param   Object  obj  Object of headers
- * @return  Headers
- */
-function createHeadersLenient(obj) {
-       const headers = new Headers();
-       for (const name of Object.keys(obj)) {
-               if (invalidTokenRegex.test(name)) {
-                       continue;
-               }
-               if (Array.isArray(obj[name])) {
-                       for (const val of obj[name]) {
-                               if (invalidHeaderCharRegex.test(val)) {
-                                       continue;
-                               }
-                               if (headers[MAP][name] === undefined) {
-                                       headers[MAP][name] = [val];
-                               } else {
-                                       headers[MAP][name].push(val);
-                               }
-                       }
-               } else if (!invalidHeaderCharRegex.test(obj[name])) {
-                       headers[MAP][name] = [obj[name]];
-               }
-       }
-       return headers;
-}
-
-const INTERNALS$1 = Symbol('Response internals');
-
-// fix an issue where "STATUS_CODES" aren't a named export for node <10
-const STATUS_CODES = http.STATUS_CODES;
-
-/**
- * Response class
- *
- * @param   Stream  body  Readable stream
- * @param   Object  opts  Response options
- * @return  Void
- */
-class Response {
-       constructor() {
-               let body = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
-               let opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
-
-               Body.call(this, body, opts);
-
-               const status = opts.status || 200;
-               const headers = new Headers(opts.headers);
-
-               if (body != null && !headers.has('Content-Type')) {
-                       const contentType = extractContentType(body);
-                       if (contentType) {
-                               headers.append('Content-Type', contentType);
-                       }
-               }
-
-               this[INTERNALS$1] = {
-                       url: opts.url,
-                       status,
-                       statusText: opts.statusText || STATUS_CODES[status],
-                       headers,
-                       counter: opts.counter
-               };
-       }
-
-       get url() {
-               return this[INTERNALS$1].url || '';
-       }
-
-       get status() {
-               return this[INTERNALS$1].status;
-       }
-
-       /**
-  * Convenience property representing if the request ended normally
-  */
-       get ok() {
-               return this[INTERNALS$1].status >= 200 && this[INTERNALS$1].status < 300;
-       }
-
-       get redirected() {
-               return this[INTERNALS$1].counter > 0;
-       }
-
-       get statusText() {
-               return this[INTERNALS$1].statusText;
-       }
-
-       get headers() {
-               return this[INTERNALS$1].headers;
-       }
-
-       /**
-  * Clone this response
-  *
-  * @return  Response
-  */
-       clone() {
-               return new Response(clone(this), {
-                       url: this.url,
-                       status: this.status,
-                       statusText: this.statusText,
-                       headers: this.headers,
-                       ok: this.ok,
-                       redirected: this.redirected
-               });
-       }
-}
-
-Body.mixIn(Response.prototype);
-
-Object.defineProperties(Response.prototype, {
-       url: { enumerable: true },
-       status: { enumerable: true },
-       ok: { enumerable: true },
-       redirected: { enumerable: true },
-       statusText: { enumerable: true },
-       headers: { enumerable: true },
-       clone: { enumerable: true }
-});
-
-Object.defineProperty(Response.prototype, Symbol.toStringTag, {
-       value: 'Response',
-       writable: false,
-       enumerable: false,
-       configurable: true
-});
-
-const INTERNALS$2 = Symbol('Request internals');
-
-// fix an issue where "format", "parse" aren't a named export for node <10
-const parse_url = Url.parse;
-const format_url = Url.format;
-
-const streamDestructionSupported = 'destroy' in Stream.Readable.prototype;
-
-/**
- * Check if a value is an instance of Request.
- *
- * @param   Mixed   input
- * @return  Boolean
- */
-function isRequest(input) {
-       return typeof input === 'object' && typeof input[INTERNALS$2] === 'object';
-}
-
-function isAbortSignal(signal) {
-       const proto = signal && typeof signal === 'object' && Object.getPrototypeOf(signal);
-       return !!(proto && proto.constructor.name === 'AbortSignal');
-}
-
-/**
- * Request class
- *
- * @param   Mixed   input  Url or Request instance
- * @param   Object  init   Custom options
- * @return  Void
- */
-class Request {
-       constructor(input) {
-               let init = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
-
-               let parsedURL;
-
-               // normalize input
-               if (!isRequest(input)) {
-                       if (input && input.href) {
-                               // in order to support Node.js' Url objects; though WHATWG's URL objects
-                               // will fall into this branch also (since their `toString()` will return
-                               // `href` property anyway)
-                               parsedURL = parse_url(input.href);
-                       } else {
-                               // coerce input to a string before attempting to parse
-                               parsedURL = parse_url(`${input}`);
-                       }
-                       input = {};
-               } else {
-                       parsedURL = parse_url(input.url);
-               }
-
-               let method = init.method || input.method || 'GET';
-               method = method.toUpperCase();
-
-               if ((init.body != null || isRequest(input) && input.body !== null) && (method === 'GET' || method === 'HEAD')) {
-                       throw new TypeError('Request with GET/HEAD method cannot have body');
-               }
-
-               let inputBody = init.body != null ? init.body : isRequest(input) && input.body !== null ? clone(input) : null;
-
-               Body.call(this, inputBody, {
-                       timeout: init.timeout || input.timeout || 0,
-                       size: init.size || input.size || 0
-               });
-
-               const headers = new Headers(init.headers || input.headers || {});
-
-               if (inputBody != null && !headers.has('Content-Type')) {
-                       const contentType = extractContentType(inputBody);
-                       if (contentType) {
-                               headers.append('Content-Type', contentType);
-                       }
-               }
-
-               let signal = isRequest(input) ? input.signal : null;
-               if ('signal' in init) signal = init.signal;
-
-               if (signal != null && !isAbortSignal(signal)) {
-                       throw new TypeError('Expected signal to be an instanceof AbortSignal');
-               }
-
-               this[INTERNALS$2] = {
-                       method,
-                       redirect: init.redirect || input.redirect || 'follow',
-                       headers,
-                       parsedURL,
-                       signal
-               };
-
-               // node-fetch-only options
-               this.follow = init.follow !== undefined ? init.follow : input.follow !== undefined ? input.follow : 20;
-               this.compress = init.compress !== undefined ? init.compress : input.compress !== undefined ? input.compress : true;
-               this.counter = init.counter || input.counter || 0;
-               this.agent = init.agent || input.agent;
-       }
-
-       get method() {
-               return this[INTERNALS$2].method;
-       }
-
-       get url() {
-               return format_url(this[INTERNALS$2].parsedURL);
-       }
-
-       get headers() {
-               return this[INTERNALS$2].headers;
-       }
-
-       get redirect() {
-               return this[INTERNALS$2].redirect;
-       }
-
-       get signal() {
-               return this[INTERNALS$2].signal;
-       }
-
-       /**
-  * Clone this request
-  *
-  * @return  Request
-  */
-       clone() {
-               return new Request(this);
-       }
-}
-
-Body.mixIn(Request.prototype);
-
-Object.defineProperty(Request.prototype, Symbol.toStringTag, {
-       value: 'Request',
-       writable: false,
-       enumerable: false,
-       configurable: true
-});
-
-Object.defineProperties(Request.prototype, {
-       method: { enumerable: true },
-       url: { enumerable: true },
-       headers: { enumerable: true },
-       redirect: { enumerable: true },
-       clone: { enumerable: true },
-       signal: { enumerable: true }
-});
-
-/**
- * Convert a Request to Node.js http request options.
- *
- * @param   Request  A Request instance
- * @return  Object   The options object to be passed to http.request
- */
-function getNodeRequestOptions(request) {
-       const parsedURL = request[INTERNALS$2].parsedURL;
-       const headers = new Headers(request[INTERNALS$2].headers);
-
-       // fetch step 1.3
-       if (!headers.has('Accept')) {
-               headers.set('Accept', '*/*');
-       }
-
-       // Basic fetch
-       if (!parsedURL.protocol || !parsedURL.hostname) {
-               throw new TypeError('Only absolute URLs are supported');
-       }
-
-       if (!/^https?:$/.test(parsedURL.protocol)) {
-               throw new TypeError('Only HTTP(S) protocols are supported');
-       }
-
-       if (request.signal && request.body instanceof Stream.Readable && !streamDestructionSupported) {
-               throw new Error('Cancellation of streamed requests with AbortSignal is not supported in node < 8');
-       }
-
-       // HTTP-network-or-cache fetch steps 2.4-2.7
-       let contentLengthValue = null;
-       if (request.body == null && /^(POST|PUT)$/i.test(request.method)) {
-               contentLengthValue = '0';
-       }
-       if (request.body != null) {
-               const totalBytes = getTotalBytes(request);
-               if (typeof totalBytes === 'number') {
-                       contentLengthValue = String(totalBytes);
-               }
-       }
-       if (contentLengthValue) {
-               headers.set('Content-Length', contentLengthValue);
-       }
-
-       // HTTP-network-or-cache fetch step 2.11
-       if (!headers.has('User-Agent')) {
-               headers.set('User-Agent', 'node-fetch/1.0 (+https://github.com/bitinn/node-fetch)');
-       }
-
-       // HTTP-network-or-cache fetch step 2.15
-       if (request.compress && !headers.has('Accept-Encoding')) {
-               headers.set('Accept-Encoding', 'gzip,deflate');
-       }
-
-       let agent = request.agent;
-       if (typeof agent === 'function') {
-               agent = agent(parsedURL);
-       }
-
-       if (!headers.has('Connection') && !agent) {
-               headers.set('Connection', 'close');
-       }
-
-       // HTTP-network fetch step 4.2
-       // chunked encoding is handled by Node.js
-
-       return Object.assign({}, parsedURL, {
-               method: request.method,
-               headers: exportNodeCompatibleHeaders(headers),
-               agent
-       });
-}
-
-/**
- * abort-error.js
- *
- * AbortError interface for cancelled requests
- */
-
-/**
- * Create AbortError instance
- *
- * @param   String      message      Error message for human
- * @return  AbortError
- */
-function AbortError(message) {
-  Error.call(this, message);
-
-  this.type = 'aborted';
-  this.message = message;
-
-  // hide custom error implementation details from end-users
-  Error.captureStackTrace(this, this.constructor);
-}
-
-AbortError.prototype = Object.create(Error.prototype);
-AbortError.prototype.constructor = AbortError;
-AbortError.prototype.name = 'AbortError';
-
-// fix an issue where "PassThrough", "resolve" aren't a named export for node <10
-const PassThrough$1 = Stream.PassThrough;
-const resolve_url = Url.resolve;
-
-/**
- * Fetch function
- *
- * @param   Mixed    url   Absolute url or Request instance
- * @param   Object   opts  Fetch options
- * @return  Promise
- */
-function fetch(url, opts) {
-
-       // allow custom promise
-       if (!fetch.Promise) {
-               throw new Error('native promise missing, set fetch.Promise to your favorite alternative');
-       }
-
-       Body.Promise = fetch.Promise;
-
-       // wrap http.request into fetch
-       return new fetch.Promise(function (resolve, reject) {
-               // build request object
-               const request = new Request(url, opts);
-               const options = getNodeRequestOptions(request);
-
-               const send = (options.protocol === 'https:' ? https : http).request;
-               const signal = request.signal;
-
-               let response = null;
-
-               const abort = function abort() {
-                       let error = new AbortError('The user aborted a request.');
-                       reject(error);
-                       if (request.body && request.body instanceof Stream.Readable) {
-                               request.body.destroy(error);
-                       }
-                       if (!response || !response.body) return;
-                       response.body.emit('error', error);
-               };
-
-               if (signal && signal.aborted) {
-                       abort();
-                       return;
-               }
-
-               const abortAndFinalize = function abortAndFinalize() {
-                       abort();
-                       finalize();
-               };
-
-               // send request
-               const req = send(options);
-               let reqTimeout;
-
-               if (signal) {
-                       signal.addEventListener('abort', abortAndFinalize);
-               }
-
-               function finalize() {
-                       req.abort();
-                       if (signal) signal.removeEventListener('abort', abortAndFinalize);
-                       clearTimeout(reqTimeout);
-               }
-
-               if (request.timeout) {
-                       req.once('socket', function (socket) {
-                               reqTimeout = setTimeout(function () {
-                                       reject(new FetchError(`network timeout at: ${request.url}`, 'request-timeout'));
-                                       finalize();
-                               }, request.timeout);
-                       });
-               }
-
-               req.on('error', function (err) {
-                       reject(new FetchError(`request to ${request.url} failed, reason: ${err.message}`, 'system', err));
-                       finalize();
-               });
-
-               req.on('response', function (res) {
-                       clearTimeout(reqTimeout);
-
-                       const headers = createHeadersLenient(res.headers);
-
-                       // HTTP fetch step 5
-                       if (fetch.isRedirect(res.statusCode)) {
-                               // HTTP fetch step 5.2
-                               const location = headers.get('Location');
-
-                               // HTTP fetch step 5.3
-                               const locationURL = location === null ? null : resolve_url(request.url, location);
-
-                               // HTTP fetch step 5.5
-                               switch (request.redirect) {
-                                       case 'error':
-                                               reject(new FetchError(`uri requested responds with a redirect, redirect mode is set to error: ${request.url}`, 'no-redirect'));
-                                               finalize();
-                                               return;
-                                       case 'manual':
-                                               // node-fetch-specific step: make manual redirect a bit easier to use by setting the Location header value to the resolved URL.
-                                               if (locationURL !== null) {
-                                                       // handle corrupted header
-                                                       try {
-                                                               headers.set('Location', locationURL);
-                                                       } catch (err) {
-                                                               // istanbul ignore next: nodejs server prevent invalid response headers, we can't test this through normal request
-                                                               reject(err);
-                                                       }
-                                               }
-                                               break;
-                                       case 'follow':
-                                               // HTTP-redirect fetch step 2
-                                               if (locationURL === null) {
-                                                       break;
-                                               }
-
-                                               // HTTP-redirect fetch step 5
-                                               if (request.counter >= request.follow) {
-                                                       reject(new FetchError(`maximum redirect reached at: ${request.url}`, 'max-redirect'));
-                                                       finalize();
-                                                       return;
-                                               }
-
-                                               // HTTP-redirect fetch step 6 (counter increment)
-                                               // Create a new Request object.
-                                               const requestOpts = {
-                                                       headers: new Headers(request.headers),
-                                                       follow: request.follow,
-                                                       counter: request.counter + 1,
-                                                       agent: request.agent,
-                                                       compress: request.compress,
-                                                       method: request.method,
-                                                       body: request.body,
-                                                       signal: request.signal,
-                                                       timeout: request.timeout,
-                                                       size: request.size
-                                               };
-
-                                               // HTTP-redirect fetch step 9
-                                               if (res.statusCode !== 303 && request.body && getTotalBytes(request) === null) {
-                                                       reject(new FetchError('Cannot follow redirect with body being a readable stream', 'unsupported-redirect'));
-                                                       finalize();
-                                                       return;
-                                               }
-
-                                               // HTTP-redirect fetch step 11
-                                               if (res.statusCode === 303 || (res.statusCode === 301 || res.statusCode === 302) && request.method === 'POST') {
-                                                       requestOpts.method = 'GET';
-                                                       requestOpts.body = undefined;
-                                                       requestOpts.headers.delete('content-length');
-                                               }
-
-                                               // HTTP-redirect fetch step 15
-                                               resolve(fetch(new Request(locationURL, requestOpts)));
-                                               finalize();
-                                               return;
-                               }
-                       }
-
-                       // prepare response
-                       res.once('end', function () {
-                               if (signal) signal.removeEventListener('abort', abortAndFinalize);
-                       });
-                       let body = res.pipe(new PassThrough$1());
-
-                       const response_options = {
-                               url: request.url,
-                               status: res.statusCode,
-                               statusText: res.statusMessage,
-                               headers: headers,
-                               size: request.size,
-                               timeout: request.timeout,
-                               counter: request.counter
-                       };
-
-                       // HTTP-network fetch step 12.1.1.3
-                       const codings = headers.get('Content-Encoding');
-
-                       // HTTP-network fetch step 12.1.1.4: handle content codings
-
-                       // in following scenarios we ignore compression support
-                       // 1. compression support is disabled
-                       // 2. HEAD request
-                       // 3. no Content-Encoding header
-                       // 4. no content response (204)
-                       // 5. content not modified response (304)
-                       if (!request.compress || request.method === 'HEAD' || codings === null || res.statusCode === 204 || res.statusCode === 304) {
-                               response = new Response(body, response_options);
-                               resolve(response);
-                               return;
-                       }
-
-                       // For Node v6+
-                       // Be less strict when decoding compressed responses, since sometimes
-                       // servers send slightly invalid responses that are still accepted
-                       // by common browsers.
-                       // Always using Z_SYNC_FLUSH is what cURL does.
-                       const zlibOptions = {
-                               flush: zlib.Z_SYNC_FLUSH,
-                               finishFlush: zlib.Z_SYNC_FLUSH
-                       };
-
-                       // for gzip
-                       if (codings == 'gzip' || codings == 'x-gzip') {
-                               body = body.pipe(zlib.createGunzip(zlibOptions));
-                               response = new Response(body, response_options);
-                               resolve(response);
-                               return;
-                       }
-
-                       // for deflate
-                       if (codings == 'deflate' || codings == 'x-deflate') {
-                               // handle the infamous raw deflate response from old servers
-                               // a hack for old IIS and Apache servers
-                               const raw = res.pipe(new PassThrough$1());
-                               raw.once('data', function (chunk) {
-                                       // see http://stackoverflow.com/questions/37519828
-                                       if ((chunk[0] & 0x0F) === 0x08) {
-                                               body = body.pipe(zlib.createInflate());
-                                       } else {
-                                               body = body.pipe(zlib.createInflateRaw());
-                                       }
-                                       response = new Response(body, response_options);
-                                       resolve(response);
-                               });
-                               return;
-                       }
-
-                       // for br
-                       if (codings == 'br' && typeof zlib.createBrotliDecompress === 'function') {
-                               body = body.pipe(zlib.createBrotliDecompress());
-                               response = new Response(body, response_options);
-                               resolve(response);
-                               return;
-                       }
-
-                       // otherwise, use response as-is
-                       response = new Response(body, response_options);
-                       resolve(response);
-               });
-
-               writeToStream(req, request);
-       });
-}
-/**
- * Redirect code matching
- *
- * @param   Number   code  Status code
- * @return  Boolean
- */
-fetch.isRedirect = function (code) {
-       return code === 301 || code === 302 || code === 303 || code === 307 || code === 308;
-};
-
-// expose Promise
-fetch.Promise = global.Promise;
-
-module.exports = exports = fetch;
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.default = exports;
-exports.Headers = Headers;
-exports.Request = Request;
-exports.Response = Response;
-exports.FetchError = FetchError;