--- /dev/null
+'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;
projects / dotfiles / .git / blobdiff