{ "version": 3, "sources": ["../ui/web_modules/@angular/common/http.js", "../ui/web_modules/@angular/forms.js"], "sourcesContent": ["import { g as __spread, b as __extends, _ as __decorate, a as __metadata, c as __param, d as __read } from '../../common/tslib.es6-c4a4947b.js';\nimport { e as map, O as Observable } from '../../common/mergeMap-64c6f393.js';\nimport '../../common/merge-183efbc7.js';\nimport { o as of, f as filter } from '../../common/filter-d76a729c.js';\nimport { c as concatMap } from '../../common/concatMap-326c8f32.js';\nimport '../../common/share-d41e3509.js';\nimport { Injectable, InjectionToken, Inject, PLATFORM_ID, NgModule, Injector } from '../core.js';\nimport { DOCUMENT, \u0275parseCookieValue as parseCookieValue } from '../common.js';\n\n/**\n * @license Angular v8.2.14\n * (c) 2010-2019 Google LLC. https://angular.io/\n * License: MIT\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Transforms an `HttpRequest` into a stream of `HttpEvent`s, one of which will likely be a\n * `HttpResponse`.\n *\n * `HttpHandler` is injectable. When injected, the handler instance dispatches requests to the\n * first interceptor in the chain, which dispatches to the second, etc, eventually reaching the\n * `HttpBackend`.\n *\n * In an `HttpInterceptor`, the `HttpHandler` parameter is the next interceptor in the chain.\n *\n * @publicApi\n */\nvar HttpHandler = /** @class */ (function () {\n function HttpHandler() {\n }\n return HttpHandler;\n}());\n/**\n * A final `HttpHandler` which will dispatch the request via browser HTTP APIs to a backend.\n *\n * Interceptors sit between the `HttpClient` interface and the `HttpBackend`.\n *\n * When injected, `HttpBackend` dispatches requests directly to the backend, without going\n * through the interceptor chain.\n *\n * @publicApi\n */\nvar HttpBackend = /** @class */ (function () {\n function HttpBackend() {\n }\n return HttpBackend;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Represents the header configuration options for an HTTP request.\n * Instances are immutable. Modifying methods return a cloned\n * instance with the change. The original object is never changed.\n *\n * @publicApi\n */\nvar HttpHeaders = /** @class */ (function () {\n /** Constructs a new HTTP header object with the given values.*/\n function HttpHeaders(headers) {\n var _this = this;\n /**\n * Internal map of lowercased header names to the normalized\n * form of the name (the form seen first).\n */\n this.normalizedNames = new Map();\n /**\n * Queued updates to be materialized the next initialization.\n */\n this.lazyUpdate = null;\n if (!headers) {\n this.headers = new Map();\n }\n else if (typeof headers === 'string') {\n this.lazyInit = function () {\n _this.headers = new Map();\n headers.split('\\n').forEach(function (line) {\n var index = line.indexOf(':');\n if (index > 0) {\n var name_1 = line.slice(0, index);\n var key = name_1.toLowerCase();\n var value = line.slice(index + 1).trim();\n _this.maybeSetNormalizedName(name_1, key);\n if (_this.headers.has(key)) {\n _this.headers.get(key).push(value);\n }\n else {\n _this.headers.set(key, [value]);\n }\n }\n });\n };\n }\n else {\n this.lazyInit = function () {\n _this.headers = new Map();\n Object.keys(headers).forEach(function (name) {\n var values = headers[name];\n var key = name.toLowerCase();\n if (typeof values === 'string') {\n values = [values];\n }\n if (values.length > 0) {\n _this.headers.set(key, values);\n _this.maybeSetNormalizedName(name, key);\n }\n });\n };\n }\n }\n /**\n * Checks for existence of a given header.\n *\n * @param name The header name to check for existence.\n *\n * @returns True if the header exists, false otherwise.\n */\n HttpHeaders.prototype.has = function (name) {\n this.init();\n return this.headers.has(name.toLowerCase());\n };\n /**\n * Retrieves the first value of a given header.\n *\n * @param name The header name.\n *\n * @returns The value string if the header exists, null otherwise\n */\n HttpHeaders.prototype.get = function (name) {\n this.init();\n var values = this.headers.get(name.toLowerCase());\n return values && values.length > 0 ? values[0] : null;\n };\n /**\n * Retrieves the names of the headers.\n *\n * @returns A list of header names.\n */\n HttpHeaders.prototype.keys = function () {\n this.init();\n return Array.from(this.normalizedNames.values());\n };\n /**\n * Retrieves a list of values for a given header.\n *\n * @param name The header name from which to retrieve values.\n *\n * @returns A string of values if the header exists, null otherwise.\n */\n HttpHeaders.prototype.getAll = function (name) {\n this.init();\n return this.headers.get(name.toLowerCase()) || null;\n };\n /**\n * Appends a new value to the existing set of values for a header\n * and returns them in a clone of the original instance.\n *\n * @param name The header name for which to append the value or values.\n * @param value The new value or array of values.\n *\n * @returns A clone of the HTTP headers object with the value appended to the given header.\n */\n HttpHeaders.prototype.append = function (name, value) {\n return this.clone({ name: name, value: value, op: 'a' });\n };\n /**\n * Sets or modifies a value for a given header in a clone of the original instance.\n * If the header already exists, its value is replaced with the given value\n * in the returned object.\n *\n * @param name The header name.\n * @param value The value or values to set or overide for the given header.\n *\n * @returns A clone of the HTTP headers object with the newly set header value.\n */\n HttpHeaders.prototype.set = function (name, value) {\n return this.clone({ name: name, value: value, op: 's' });\n };\n /**\n * Deletes values for a given header in a clone of the original instance.\n *\n * @param name The header name.\n * @param value The value or values to delete for the given header.\n *\n * @returns A clone of the HTTP headers object with the given value deleted.\n */\n HttpHeaders.prototype.delete = function (name, value) {\n return this.clone({ name: name, value: value, op: 'd' });\n };\n HttpHeaders.prototype.maybeSetNormalizedName = function (name, lcName) {\n if (!this.normalizedNames.has(lcName)) {\n this.normalizedNames.set(lcName, name);\n }\n };\n HttpHeaders.prototype.init = function () {\n var _this = this;\n if (!!this.lazyInit) {\n if (this.lazyInit instanceof HttpHeaders) {\n this.copyFrom(this.lazyInit);\n }\n else {\n this.lazyInit();\n }\n this.lazyInit = null;\n if (!!this.lazyUpdate) {\n this.lazyUpdate.forEach(function (update) { return _this.applyUpdate(update); });\n this.lazyUpdate = null;\n }\n }\n };\n HttpHeaders.prototype.copyFrom = function (other) {\n var _this = this;\n other.init();\n Array.from(other.headers.keys()).forEach(function (key) {\n _this.headers.set(key, other.headers.get(key));\n _this.normalizedNames.set(key, other.normalizedNames.get(key));\n });\n };\n HttpHeaders.prototype.clone = function (update) {\n var clone = new HttpHeaders();\n clone.lazyInit =\n (!!this.lazyInit && this.lazyInit instanceof HttpHeaders) ? this.lazyInit : this;\n clone.lazyUpdate = (this.lazyUpdate || []).concat([update]);\n return clone;\n };\n HttpHeaders.prototype.applyUpdate = function (update) {\n var key = update.name.toLowerCase();\n switch (update.op) {\n case 'a':\n case 's':\n var value = update.value;\n if (typeof value === 'string') {\n value = [value];\n }\n if (value.length === 0) {\n return;\n }\n this.maybeSetNormalizedName(update.name, key);\n var base = (update.op === 'a' ? this.headers.get(key) : undefined) || [];\n base.push.apply(base, __spread(value));\n this.headers.set(key, base);\n break;\n case 'd':\n var toDelete_1 = update.value;\n if (!toDelete_1) {\n this.headers.delete(key);\n this.normalizedNames.delete(key);\n }\n else {\n var existing = this.headers.get(key);\n if (!existing) {\n return;\n }\n existing = existing.filter(function (value) { return toDelete_1.indexOf(value) === -1; });\n if (existing.length === 0) {\n this.headers.delete(key);\n this.normalizedNames.delete(key);\n }\n else {\n this.headers.set(key, existing);\n }\n }\n break;\n }\n };\n /**\n * @internal\n */\n HttpHeaders.prototype.forEach = function (fn) {\n var _this = this;\n this.init();\n Array.from(this.normalizedNames.keys())\n .forEach(function (key) { return fn(_this.normalizedNames.get(key), _this.headers.get(key)); });\n };\n return HttpHeaders;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Provides encoding and decoding of URL parameter and query-string values.\n *\n * Serializes and parses URL parameter keys and values to encode and decode them.\n * If you pass URL query parameters without encoding,\n * the query parameters can be misinterpreted at the receiving end.\n *\n *\n * @publicApi\n */\nvar HttpUrlEncodingCodec = /** @class */ (function () {\n function HttpUrlEncodingCodec() {\n }\n /**\n * Encodes a key name for a URL parameter or query-string.\n * @param key The key name.\n * @returns The encoded key name.\n */\n HttpUrlEncodingCodec.prototype.encodeKey = function (key) { return standardEncoding(key); };\n /**\n * Encodes the value of a URL parameter or query-string.\n * @param value The value.\n * @returns The encoded value.\n */\n HttpUrlEncodingCodec.prototype.encodeValue = function (value) { return standardEncoding(value); };\n /**\n * Decodes an encoded URL parameter or query-string key.\n * @param key The encoded key name.\n * @returns The decoded key name.\n */\n HttpUrlEncodingCodec.prototype.decodeKey = function (key) { return decodeURIComponent(key); };\n /**\n * Decodes an encoded URL parameter or query-string value.\n * @param value The encoded value.\n * @returns The decoded value.\n */\n HttpUrlEncodingCodec.prototype.decodeValue = function (value) { return decodeURIComponent(value); };\n return HttpUrlEncodingCodec;\n}());\nfunction paramParser(rawParams, codec) {\n var map = new Map();\n if (rawParams.length > 0) {\n var params = rawParams.split('&');\n params.forEach(function (param) {\n var eqIdx = param.indexOf('=');\n var _a = __read(eqIdx == -1 ?\n [codec.decodeKey(param), ''] :\n [codec.decodeKey(param.slice(0, eqIdx)), codec.decodeValue(param.slice(eqIdx + 1))], 2), key = _a[0], val = _a[1];\n var list = map.get(key) || [];\n list.push(val);\n map.set(key, list);\n });\n }\n return map;\n}\nfunction standardEncoding(v) {\n return encodeURIComponent(v)\n .replace(/%40/gi, '@')\n .replace(/%3A/gi, ':')\n .replace(/%24/gi, '$')\n .replace(/%2C/gi, ',')\n .replace(/%3B/gi, ';')\n .replace(/%2B/gi, '+')\n .replace(/%3D/gi, '=')\n .replace(/%3F/gi, '?')\n .replace(/%2F/gi, '/');\n}\n/**\n * An HTTP request/response body that represents serialized parameters,\n * per the MIME type `application/x-www-form-urlencoded`.\n *\n * This class is immutable; all mutation operations return a new instance.\n *\n * @publicApi\n */\nvar HttpParams = /** @class */ (function () {\n function HttpParams(options) {\n var _this = this;\n if (options === void 0) { options = {}; }\n this.updates = null;\n this.cloneFrom = null;\n this.encoder = options.encoder || new HttpUrlEncodingCodec();\n if (!!options.fromString) {\n if (!!options.fromObject) {\n throw new Error(\"Cannot specify both fromString and fromObject.\");\n }\n this.map = paramParser(options.fromString, this.encoder);\n }\n else if (!!options.fromObject) {\n this.map = new Map();\n Object.keys(options.fromObject).forEach(function (key) {\n var value = options.fromObject[key];\n _this.map.set(key, Array.isArray(value) ? value : [value]);\n });\n }\n else {\n this.map = null;\n }\n }\n /**\n * Reports whether the body includes one or more values for a given parameter.\n * @param param The parameter name.\n * @returns True if the parameter has one or more values,\n * false if it has no value or is not present.\n */\n HttpParams.prototype.has = function (param) {\n this.init();\n return this.map.has(param);\n };\n /**\n * Retrieves the first value for a parameter.\n * @param param The parameter name.\n * @returns The first value of the given parameter,\n * or `null` if the parameter is not present.\n */\n HttpParams.prototype.get = function (param) {\n this.init();\n var res = this.map.get(param);\n return !!res ? res[0] : null;\n };\n /**\n * Retrieves all values for a parameter.\n * @param param The parameter name.\n * @returns All values in a string array,\n * or `null` if the parameter not present.\n */\n HttpParams.prototype.getAll = function (param) {\n this.init();\n return this.map.get(param) || null;\n };\n /**\n * Retrieves all the parameters for this body.\n * @returns The parameter names in a string array.\n */\n HttpParams.prototype.keys = function () {\n this.init();\n return Array.from(this.map.keys());\n };\n /**\n * Appends a new value to existing values for a parameter.\n * @param param The parameter name.\n * @param value The new value to add.\n * @return A new body with the appended value.\n */\n HttpParams.prototype.append = function (param, value) { return this.clone({ param: param, value: value, op: 'a' }); };\n /**\n * Replaces the value for a parameter.\n * @param param The parameter name.\n * @param value The new value.\n * @return A new body with the new value.\n */\n HttpParams.prototype.set = function (param, value) { return this.clone({ param: param, value: value, op: 's' }); };\n /**\n * Removes a given value or all values from a parameter.\n * @param param The parameter name.\n * @param value The value to remove, if provided.\n * @return A new body with the given value removed, or with all values\n * removed if no value is specified.\n */\n HttpParams.prototype.delete = function (param, value) { return this.clone({ param: param, value: value, op: 'd' }); };\n /**\n * Serializes the body to an encoded string, where key-value pairs (separated by `=`) are\n * separated by `&`s.\n */\n HttpParams.prototype.toString = function () {\n var _this = this;\n this.init();\n return this.keys()\n .map(function (key) {\n var eKey = _this.encoder.encodeKey(key);\n return _this.map.get(key).map(function (value) { return eKey + '=' + _this.encoder.encodeValue(value); })\n .join('&');\n })\n .join('&');\n };\n HttpParams.prototype.clone = function (update) {\n var clone = new HttpParams({ encoder: this.encoder });\n clone.cloneFrom = this.cloneFrom || this;\n clone.updates = (this.updates || []).concat([update]);\n return clone;\n };\n HttpParams.prototype.init = function () {\n var _this = this;\n if (this.map === null) {\n this.map = new Map();\n }\n if (this.cloneFrom !== null) {\n this.cloneFrom.init();\n this.cloneFrom.keys().forEach(function (key) { return _this.map.set(key, _this.cloneFrom.map.get(key)); });\n this.updates.forEach(function (update) {\n switch (update.op) {\n case 'a':\n case 's':\n var base = (update.op === 'a' ? _this.map.get(update.param) : undefined) || [];\n base.push(update.value);\n _this.map.set(update.param, base);\n break;\n case 'd':\n if (update.value !== undefined) {\n var base_1 = _this.map.get(update.param) || [];\n var idx = base_1.indexOf(update.value);\n if (idx !== -1) {\n base_1.splice(idx, 1);\n }\n if (base_1.length > 0) {\n _this.map.set(update.param, base_1);\n }\n else {\n _this.map.delete(update.param);\n }\n }\n else {\n _this.map.delete(update.param);\n break;\n }\n }\n });\n this.cloneFrom = this.updates = null;\n }\n };\n return HttpParams;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Determine whether the given HTTP method may include a body.\n */\nfunction mightHaveBody(method) {\n switch (method) {\n case 'DELETE':\n case 'GET':\n case 'HEAD':\n case 'OPTIONS':\n case 'JSONP':\n return false;\n default:\n return true;\n }\n}\n/**\n * Safely assert whether the given value is an ArrayBuffer.\n *\n * In some execution environments ArrayBuffer is not defined.\n */\nfunction isArrayBuffer(value) {\n return typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer;\n}\n/**\n * Safely assert whether the given value is a Blob.\n *\n * In some execution environments Blob is not defined.\n */\nfunction isBlob(value) {\n return typeof Blob !== 'undefined' && value instanceof Blob;\n}\n/**\n * Safely assert whether the given value is a FormData instance.\n *\n * In some execution environments FormData is not defined.\n */\nfunction isFormData(value) {\n return typeof FormData !== 'undefined' && value instanceof FormData;\n}\n/**\n * An outgoing HTTP request with an optional typed body.\n *\n * `HttpRequest` represents an outgoing request, including URL, method,\n * headers, body, and other request configuration options. Instances should be\n * assumed to be immutable. To modify a `HttpRequest`, the `clone`\n * method should be used.\n *\n * @publicApi\n */\nvar HttpRequest = /** @class */ (function () {\n function HttpRequest(method, url, third, fourth) {\n this.url = url;\n /**\n * The request body, or `null` if one isn't set.\n *\n * Bodies are not enforced to be immutable, as they can include a reference to any\n * user-defined data type. However, interceptors should take care to preserve\n * idempotence by treating them as such.\n */\n this.body = null;\n /**\n * Whether this request should be made in a way that exposes progress events.\n *\n * Progress events are expensive (change detection runs on each event) and so\n * they should only be requested if the consumer intends to monitor them.\n */\n this.reportProgress = false;\n /**\n * Whether this request should be sent with outgoing credentials (cookies).\n */\n this.withCredentials = false;\n /**\n * The expected response type of the server.\n *\n * This is used to parse the response appropriately before returning it to\n * the requestee.\n */\n this.responseType = 'json';\n this.method = method.toUpperCase();\n // Next, need to figure out which argument holds the HttpRequestInit\n // options, if any.\n var options;\n // Check whether a body argument is expected. The only valid way to omit\n // the body argument is to use a known no-body method like GET.\n if (mightHaveBody(this.method) || !!fourth) {\n // Body is the third argument, options are the fourth.\n this.body = (third !== undefined) ? third : null;\n options = fourth;\n }\n else {\n // No body required, options are the third argument. The body stays null.\n options = third;\n }\n // If options have been passed, interpret them.\n if (options) {\n // Normalize reportProgress and withCredentials.\n this.reportProgress = !!options.reportProgress;\n this.withCredentials = !!options.withCredentials;\n // Override default response type of 'json' if one is provided.\n if (!!options.responseType) {\n this.responseType = options.responseType;\n }\n // Override headers if they're provided.\n if (!!options.headers) {\n this.headers = options.headers;\n }\n if (!!options.params) {\n this.params = options.params;\n }\n }\n // If no headers have been passed in, construct a new HttpHeaders instance.\n if (!this.headers) {\n this.headers = new HttpHeaders();\n }\n // If no parameters have been passed in, construct a new HttpUrlEncodedParams instance.\n if (!this.params) {\n this.params = new HttpParams();\n this.urlWithParams = url;\n }\n else {\n // Encode the parameters to a string in preparation for inclusion in the URL.\n var params = this.params.toString();\n if (params.length === 0) {\n // No parameters, the visible URL is just the URL given at creation time.\n this.urlWithParams = url;\n }\n else {\n // Does the URL already have query parameters? Look for '?'.\n var qIdx = url.indexOf('?');\n // There are 3 cases to handle:\n // 1) No existing parameters -> append '?' followed by params.\n // 2) '?' exists and is followed by existing query string ->\n // append '&' followed by params.\n // 3) '?' exists at the end of the url -> append params directly.\n // This basically amounts to determining the character, if any, with\n // which to join the URL and parameters.\n var sep = qIdx === -1 ? '?' : (qIdx < url.length - 1 ? '&' : '');\n this.urlWithParams = url + sep + params;\n }\n }\n }\n /**\n * Transform the free-form body into a serialized format suitable for\n * transmission to the server.\n */\n HttpRequest.prototype.serializeBody = function () {\n // If no body is present, no need to serialize it.\n if (this.body === null) {\n return null;\n }\n // Check whether the body is already in a serialized form. If so,\n // it can just be returned directly.\n if (isArrayBuffer(this.body) || isBlob(this.body) || isFormData(this.body) ||\n typeof this.body === 'string') {\n return this.body;\n }\n // Check whether the body is an instance of HttpUrlEncodedParams.\n if (this.body instanceof HttpParams) {\n return this.body.toString();\n }\n // Check whether the body is an object or array, and serialize with JSON if so.\n if (typeof this.body === 'object' || typeof this.body === 'boolean' ||\n Array.isArray(this.body)) {\n return JSON.stringify(this.body);\n }\n // Fall back on toString() for everything else.\n return this.body.toString();\n };\n /**\n * Examine the body and attempt to infer an appropriate MIME type\n * for it.\n *\n * If no such type can be inferred, this method will return `null`.\n */\n HttpRequest.prototype.detectContentTypeHeader = function () {\n // An empty body has no content type.\n if (this.body === null) {\n return null;\n }\n // FormData bodies rely on the browser's content type assignment.\n if (isFormData(this.body)) {\n return null;\n }\n // Blobs usually have their own content type. If it doesn't, then\n // no type can be inferred.\n if (isBlob(this.body)) {\n return this.body.type || null;\n }\n // Array buffers have unknown contents and thus no type can be inferred.\n if (isArrayBuffer(this.body)) {\n return null;\n }\n // Technically, strings could be a form of JSON data, but it's safe enough\n // to assume they're plain strings.\n if (typeof this.body === 'string') {\n return 'text/plain';\n }\n // `HttpUrlEncodedParams` has its own content-type.\n if (this.body instanceof HttpParams) {\n return 'application/x-www-form-urlencoded;charset=UTF-8';\n }\n // Arrays, objects, and numbers will be encoded as JSON.\n if (typeof this.body === 'object' || typeof this.body === 'number' ||\n Array.isArray(this.body)) {\n return 'application/json';\n }\n // No type could be inferred.\n return null;\n };\n HttpRequest.prototype.clone = function (update) {\n if (update === void 0) { update = {}; }\n // For method, url, and responseType, take the current value unless\n // it is overridden in the update hash.\n var method = update.method || this.method;\n var url = update.url || this.url;\n var responseType = update.responseType || this.responseType;\n // The body is somewhat special - a `null` value in update.body means\n // whatever current body is present is being overridden with an empty\n // body, whereas an `undefined` value in update.body implies no\n // override.\n var body = (update.body !== undefined) ? update.body : this.body;\n // Carefully handle the boolean options to differentiate between\n // `false` and `undefined` in the update args.\n var withCredentials = (update.withCredentials !== undefined) ? update.withCredentials : this.withCredentials;\n var reportProgress = (update.reportProgress !== undefined) ? update.reportProgress : this.reportProgress;\n // Headers and params may be appended to if `setHeaders` or\n // `setParams` are used.\n var headers = update.headers || this.headers;\n var params = update.params || this.params;\n // Check whether the caller has asked to add headers.\n if (update.setHeaders !== undefined) {\n // Set every requested header.\n headers =\n Object.keys(update.setHeaders)\n .reduce(function (headers, name) { return headers.set(name, update.setHeaders[name]); }, headers);\n }\n // Check whether the caller has asked to set params.\n if (update.setParams) {\n // Set every requested param.\n params = Object.keys(update.setParams)\n .reduce(function (params, param) { return params.set(param, update.setParams[param]); }, params);\n }\n // Finally, construct the new HttpRequest using the pieces from above.\n return new HttpRequest(method, url, body, {\n params: params, headers: headers, reportProgress: reportProgress, responseType: responseType, withCredentials: withCredentials,\n });\n };\n return HttpRequest;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Type enumeration for the different kinds of `HttpEvent`.\n *\n * @publicApi\n */\nvar HttpEventType;\n(function (HttpEventType) {\n /**\n * The request was sent out over the wire.\n */\n HttpEventType[HttpEventType[\"Sent\"] = 0] = \"Sent\";\n /**\n * An upload progress event was received.\n */\n HttpEventType[HttpEventType[\"UploadProgress\"] = 1] = \"UploadProgress\";\n /**\n * The response status code and headers were received.\n */\n HttpEventType[HttpEventType[\"ResponseHeader\"] = 2] = \"ResponseHeader\";\n /**\n * A download progress event was received.\n */\n HttpEventType[HttpEventType[\"DownloadProgress\"] = 3] = \"DownloadProgress\";\n /**\n * The full response including the body was received.\n */\n HttpEventType[HttpEventType[\"Response\"] = 4] = \"Response\";\n /**\n * A custom event from an interceptor or a backend.\n */\n HttpEventType[HttpEventType[\"User\"] = 5] = \"User\";\n})(HttpEventType || (HttpEventType = {}));\n/**\n * Base class for both `HttpResponse` and `HttpHeaderResponse`.\n *\n * @publicApi\n */\nvar HttpResponseBase = /** @class */ (function () {\n /**\n * Super-constructor for all responses.\n *\n * The single parameter accepted is an initialization hash. Any properties\n * of the response passed there will override the default values.\n */\n function HttpResponseBase(init, defaultStatus, defaultStatusText) {\n if (defaultStatus === void 0) { defaultStatus = 200; }\n if (defaultStatusText === void 0) { defaultStatusText = 'OK'; }\n // If the hash has values passed, use them to initialize the response.\n // Otherwise use the default values.\n this.headers = init.headers || new HttpHeaders();\n this.status = init.status !== undefined ? init.status : defaultStatus;\n this.statusText = init.statusText || defaultStatusText;\n this.url = init.url || null;\n // Cache the ok value to avoid defining a getter.\n this.ok = this.status >= 200 && this.status < 300;\n }\n return HttpResponseBase;\n}());\n/**\n * A partial HTTP response which only includes the status and header data,\n * but no response body.\n *\n * `HttpHeaderResponse` is a `HttpEvent` available on the response\n * event stream, only when progress events are requested.\n *\n * @publicApi\n */\nvar HttpHeaderResponse = /** @class */ (function (_super) {\n __extends(HttpHeaderResponse, _super);\n /**\n * Create a new `HttpHeaderResponse` with the given parameters.\n */\n function HttpHeaderResponse(init) {\n if (init === void 0) { init = {}; }\n var _this = _super.call(this, init) || this;\n _this.type = HttpEventType.ResponseHeader;\n return _this;\n }\n /**\n * Copy this `HttpHeaderResponse`, overriding its contents with the\n * given parameter hash.\n */\n HttpHeaderResponse.prototype.clone = function (update) {\n if (update === void 0) { update = {}; }\n // Perform a straightforward initialization of the new HttpHeaderResponse,\n // overriding the current parameters with new ones if given.\n return new HttpHeaderResponse({\n headers: update.headers || this.headers,\n status: update.status !== undefined ? update.status : this.status,\n statusText: update.statusText || this.statusText,\n url: update.url || this.url || undefined,\n });\n };\n return HttpHeaderResponse;\n}(HttpResponseBase));\n/**\n * A full HTTP response, including a typed response body (which may be `null`\n * if one was not returned).\n *\n * `HttpResponse` is a `HttpEvent` available on the response event\n * stream.\n *\n * @publicApi\n */\nvar HttpResponse = /** @class */ (function (_super) {\n __extends(HttpResponse, _super);\n /**\n * Construct a new `HttpResponse`.\n */\n function HttpResponse(init) {\n if (init === void 0) { init = {}; }\n var _this = _super.call(this, init) || this;\n _this.type = HttpEventType.Response;\n _this.body = init.body !== undefined ? init.body : null;\n return _this;\n }\n HttpResponse.prototype.clone = function (update) {\n if (update === void 0) { update = {}; }\n return new HttpResponse({\n body: (update.body !== undefined) ? update.body : this.body,\n headers: update.headers || this.headers,\n status: (update.status !== undefined) ? update.status : this.status,\n statusText: update.statusText || this.statusText,\n url: update.url || this.url || undefined,\n });\n };\n return HttpResponse;\n}(HttpResponseBase));\n/**\n * A response that represents an error or failure, either from a\n * non-successful HTTP status, an error while executing the request,\n * or some other failure which occurred during the parsing of the response.\n *\n * Any error returned on the `Observable` response stream will be\n * wrapped in an `HttpErrorResponse` to provide additional context about\n * the state of the HTTP layer when the error occurred. The error property\n * will contain either a wrapped Error object or the error response returned\n * from the server.\n *\n * @publicApi\n */\nvar HttpErrorResponse = /** @class */ (function (_super) {\n __extends(HttpErrorResponse, _super);\n function HttpErrorResponse(init) {\n var _this = \n // Initialize with a default status of 0 / Unknown Error.\n _super.call(this, init, 0, 'Unknown Error') || this;\n _this.name = 'HttpErrorResponse';\n /**\n * Errors are never okay, even when the status code is in the 2xx success range.\n */\n _this.ok = false;\n // If the response was successful, then this was a parse error. Otherwise, it was\n // a protocol-level failure of some sort. Either the request failed in transit\n // or the server returned an unsuccessful status code.\n if (_this.status >= 200 && _this.status < 300) {\n _this.message = \"Http failure during parsing for \" + (init.url || '(unknown url)');\n }\n else {\n _this.message =\n \"Http failure response for \" + (init.url || '(unknown url)') + \": \" + init.status + \" \" + init.statusText;\n }\n _this.error = init.error || null;\n return _this;\n }\n return HttpErrorResponse;\n}(HttpResponseBase));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Constructs an instance of `HttpRequestOptions` from a source `HttpMethodOptions` and\n * the given `body`. This function clones the object and adds the body.\n *\n * Note that the `responseType` *options* value is a String that identifies the\n * single data type of the response.\n * A single overload version of the method handles each response type.\n * The value of `responseType` cannot be a union, as the combined signature could imply.\n *\n */\nfunction addBody(options, body) {\n return {\n body: body,\n headers: options.headers,\n observe: options.observe,\n params: options.params,\n reportProgress: options.reportProgress,\n responseType: options.responseType,\n withCredentials: options.withCredentials,\n };\n}\n/**\n * Performs HTTP requests.\n * This service is available as an injectable class, with methods to perform HTTP requests.\n * Each request method has multiple signatures, and the return type varies based on\n * the signature that is called (mainly the values of `observe` and `responseType`).\n *\n * Note that the `responseType` *options* value is a String that identifies the\n * single data type of the response.\n * A single overload version of the method handles each response type.\n * The value of `responseType` cannot be a union, as the combined signature could imply.\n\n *\n * @usageNotes\n * Sample HTTP requests for the [Tour of Heroes](/tutorial/toh-pt0) application.\n *\n * ### HTTP Request Example\n *\n * ```\n * // GET heroes whose name contains search term\n * searchHeroes(term: string): observable{\n *\n * const params = new HttpParams({fromString: 'name=term'});\n * return this.httpClient.request('GET', this.heroesUrl, {responseType:'json', params});\n * }\n * ```\n * ### JSONP Example\n * ```\n * requestJsonp(url, callback = 'callback') {\n * return this.httpClient.jsonp(this.heroesURL, callback);\n * }\n * ```\n *\n * ### PATCH Example\n * ```\n * // PATCH one of the heroes' name\n * patchHero (id: number, heroName: string): Observable<{}> {\n * const url = `${this.heroesUrl}/${id}`; // PATCH api/heroes/42\n * return this.httpClient.patch(url, {name: heroName}, httpOptions)\n * .pipe(catchError(this.handleError('patchHero')));\n * }\n * ```\n *\n * @see [HTTP Guide](guide/http)\n *\n * @publicApi\n */\nvar HttpClient = /** @class */ (function () {\n function HttpClient(handler) {\n this.handler = handler;\n }\n /**\n * Constructs an observable for a generic HTTP request that, when subscribed,\n * fires the request through the chain of registered interceptors and on to the\n * server.\n *\n * You can pass an `HttpRequest` directly as the only parameter. In this case,\n * the call returns an observable of the raw `HttpEvent` stream.\n *\n * Alternatively you can pass an HTTP method as the first parameter,\n * a URL string as the second, and an options hash containing the request body as the third.\n * See `addBody()`. In this case, the specified `responseType` and `observe` options determine the\n * type of returned observable.\n * * The `responseType` value determines how a successful response body is parsed.\n * * If `responseType` is the default `json`, you can pass a type interface for the resulting\n * object as a type parameter to the call.\n *\n * The `observe` value determines the return type, according to what you are interested in\n * observing.\n * * An `observe` value of events returns an observable of the raw `HttpEvent` stream, including\n * progress events by default.\n * * An `observe` value of response returns an observable of `HttpResponse`,\n * where the `T` parameter depends on the `responseType` and any optionally provided type\n * parameter.\n * * An `observe` value of body returns an observable of `` with the same `T` body type.\n *\n */\n HttpClient.prototype.request = function (first, url, options) {\n var _this = this;\n if (options === void 0) { options = {}; }\n var req;\n // First, check whether the primary argument is an instance of `HttpRequest`.\n if (first instanceof HttpRequest) {\n // It is. The other arguments must be undefined (per the signatures) and can be\n // ignored.\n req = first;\n }\n else {\n // It's a string, so it represents a URL. Construct a request based on it,\n // and incorporate the remaining arguments (assuming `GET` unless a method is\n // provided.\n // Figure out the headers.\n var headers = undefined;\n if (options.headers instanceof HttpHeaders) {\n headers = options.headers;\n }\n else {\n headers = new HttpHeaders(options.headers);\n }\n // Sort out parameters.\n var params = undefined;\n if (!!options.params) {\n if (options.params instanceof HttpParams) {\n params = options.params;\n }\n else {\n params = new HttpParams({ fromObject: options.params });\n }\n }\n // Construct the request.\n req = new HttpRequest(first, url, (options.body !== undefined ? options.body : null), {\n headers: headers,\n params: params,\n reportProgress: options.reportProgress,\n // By default, JSON is assumed to be returned for all calls.\n responseType: options.responseType || 'json',\n withCredentials: options.withCredentials,\n });\n }\n // Start with an Observable.of() the initial request, and run the handler (which\n // includes all interceptors) inside a concatMap(). This way, the handler runs\n // inside an Observable chain, which causes interceptors to be re-run on every\n // subscription (this also makes retries re-run the handler, including interceptors).\n var events$ = of(req).pipe(concatMap(function (req) { return _this.handler.handle(req); }));\n // If coming via the API signature which accepts a previously constructed HttpRequest,\n // the only option is to get the event stream. Otherwise, return the event stream if\n // that is what was requested.\n if (first instanceof HttpRequest || options.observe === 'events') {\n return events$;\n }\n // The requested stream contains either the full response or the body. In either\n // case, the first step is to filter the event stream to extract a stream of\n // responses(s).\n var res$ = events$.pipe(filter(function (event) { return event instanceof HttpResponse; }));\n // Decide which stream to return.\n switch (options.observe || 'body') {\n case 'body':\n // The requested stream is the body. Map the response stream to the response\n // body. This could be done more simply, but a misbehaving interceptor might\n // transform the response body into a different format and ignore the requested\n // responseType. Guard against this by validating that the response is of the\n // requested type.\n switch (req.responseType) {\n case 'arraybuffer':\n return res$.pipe(map(function (res) {\n // Validate that the body is an ArrayBuffer.\n if (res.body !== null && !(res.body instanceof ArrayBuffer)) {\n throw new Error('Response is not an ArrayBuffer.');\n }\n return res.body;\n }));\n case 'blob':\n return res$.pipe(map(function (res) {\n // Validate that the body is a Blob.\n if (res.body !== null && !(res.body instanceof Blob)) {\n throw new Error('Response is not a Blob.');\n }\n return res.body;\n }));\n case 'text':\n return res$.pipe(map(function (res) {\n // Validate that the body is a string.\n if (res.body !== null && typeof res.body !== 'string') {\n throw new Error('Response is not a string.');\n }\n return res.body;\n }));\n case 'json':\n default:\n // No validation needed for JSON responses, as they can be of any type.\n return res$.pipe(map(function (res) { return res.body; }));\n }\n case 'response':\n // The response stream was requested directly, so return it.\n return res$;\n default:\n // Guard against new future observe types being added.\n throw new Error(\"Unreachable: unhandled observe type \" + options.observe + \"}\");\n }\n };\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `DELETE` request to execute on the server. See the individual overloads for\n * details on the return type.\n *\n * @param url The endpoint URL.\n * @param options The HTTP options to send with the request.\n *\n */\n HttpClient.prototype.delete = function (url, options) {\n if (options === void 0) { options = {}; }\n return this.request('DELETE', url, options);\n };\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `GET` request to execute on the server. See the individual overloads for\n * details on the return type.\n */\n HttpClient.prototype.get = function (url, options) {\n if (options === void 0) { options = {}; }\n return this.request('GET', url, options);\n };\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `HEAD` request to execute on the server. The `HEAD` method returns\n * meta information about the resource without transferring the\n * resource itself. See the individual overloads for\n * details on the return type.\n */\n HttpClient.prototype.head = function (url, options) {\n if (options === void 0) { options = {}; }\n return this.request('HEAD', url, options);\n };\n /**\n * Constructs an `Observable` that, when subscribed, causes a request with the special method\n * `JSONP` to be dispatched via the interceptor pipeline.\n * The [JSONP pattern](https://en.wikipedia.org/wiki/JSONP) works around limitations of certain\n * API endpoints that don't support newer,\n * and preferable [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) protocol.\n * JSONP treats the endpoint API as a JavaScript file and tricks the browser to process the\n * requests even if the API endpoint is not located on the same domain (origin) as the client-side\n * application making the request.\n * The endpoint API must support JSONP callback for JSONP requests to work.\n * The resource API returns the JSON response wrapped in a callback function.\n * You can pass the callback function name as one of the query parameters.\n * Note that JSONP requests can only be used with `GET` requests.\n *\n * @param url The resource URL.\n * @param callbackParam The callback function name.\n *\n */\n HttpClient.prototype.jsonp = function (url, callbackParam) {\n return this.request('JSONP', url, {\n params: new HttpParams().append(callbackParam, 'JSONP_CALLBACK'),\n observe: 'body',\n responseType: 'json',\n });\n };\n /**\n * Constructs an `Observable` that, when subscribed, causes the configured\n * `OPTIONS` request to execute on the server. This method allows the client\n * to determine the supported HTTP methods and other capabilites of an endpoint,\n * without implying a resource action. See the individual overloads for\n * details on the return type.\n */\n HttpClient.prototype.options = function (url, options) {\n if (options === void 0) { options = {}; }\n return this.request('OPTIONS', url, options);\n };\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `PATCH` request to execute on the server. See the individual overloads for\n * details on the return type.\n */\n HttpClient.prototype.patch = function (url, body, options) {\n if (options === void 0) { options = {}; }\n return this.request('PATCH', url, addBody(options, body));\n };\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `POST` request to execute on the server. The server responds with the location of\n * the replaced resource. See the individual overloads for\n * details on the return type.\n */\n HttpClient.prototype.post = function (url, body, options) {\n if (options === void 0) { options = {}; }\n return this.request('POST', url, addBody(options, body));\n };\n /**\n * Constructs an observable that, when subscribed, causes the configured\n * `PUT` request to execute on the server. The `PUT` method replaces an existing resource\n * with a new set of values.\n * See the individual overloads for details on the return type.\n */\n HttpClient.prototype.put = function (url, body, options) {\n if (options === void 0) { options = {}; }\n return this.request('PUT', url, addBody(options, body));\n };\n HttpClient = __decorate([\n Injectable(),\n __metadata(\"design:paramtypes\", [HttpHandler])\n ], HttpClient);\n return HttpClient;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * `HttpHandler` which applies an `HttpInterceptor` to an `HttpRequest`.\n *\n *\n */\nvar HttpInterceptorHandler = /** @class */ (function () {\n function HttpInterceptorHandler(next, interceptor) {\n this.next = next;\n this.interceptor = interceptor;\n }\n HttpInterceptorHandler.prototype.handle = function (req) {\n return this.interceptor.intercept(req, this.next);\n };\n return HttpInterceptorHandler;\n}());\n/**\n * A multi-provider token that represents the array of registered\n * `HttpInterceptor` objects.\n *\n * @publicApi\n */\nvar HTTP_INTERCEPTORS = new InjectionToken('HTTP_INTERCEPTORS');\nvar NoopInterceptor = /** @class */ (function () {\n function NoopInterceptor() {\n }\n NoopInterceptor.prototype.intercept = function (req, next) {\n return next.handle(req);\n };\n NoopInterceptor = __decorate([\n Injectable()\n ], NoopInterceptor);\n return NoopInterceptor;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Every request made through JSONP needs a callback name that's unique across the\n// whole page. Each request is assigned an id and the callback name is constructed\n// from that. The next id to be assigned is tracked in a global variable here that\n// is shared among all applications on the page.\nvar nextRequestId = 0;\n// Error text given when a JSONP script is injected, but doesn't invoke the callback\n// passed in its URL.\nvar JSONP_ERR_NO_CALLBACK = 'JSONP injected script did not invoke callback.';\n// Error text given when a request is passed to the JsonpClientBackend that doesn't\n// have a request method JSONP.\nvar JSONP_ERR_WRONG_METHOD = 'JSONP requests must use JSONP request method.';\nvar JSONP_ERR_WRONG_RESPONSE_TYPE = 'JSONP requests must use Json response type.';\n/**\n * DI token/abstract type representing a map of JSONP callbacks.\n *\n * In the browser, this should always be the `window` object.\n *\n *\n */\nvar JsonpCallbackContext = /** @class */ (function () {\n function JsonpCallbackContext() {\n }\n return JsonpCallbackContext;\n}());\n/**\n * Processes an `HttpRequest` with the JSONP method,\n * by performing JSONP style requests.\n * @see `HttpHandler`\n * @see `HttpXhrBackend`\n *\n * @publicApi\n */\nvar JsonpClientBackend = /** @class */ (function () {\n function JsonpClientBackend(callbackMap, document) {\n this.callbackMap = callbackMap;\n this.document = document;\n }\n /**\n * Get the name of the next callback method, by incrementing the global `nextRequestId`.\n */\n JsonpClientBackend.prototype.nextCallback = function () { return \"ng_jsonp_callback_\" + nextRequestId++; };\n /**\n * Processes a JSONP request and returns an event stream of the results.\n * @param req The request object.\n * @returns An observable of the response events.\n *\n */\n JsonpClientBackend.prototype.handle = function (req) {\n var _this = this;\n // Firstly, check both the method and response type. If either doesn't match\n // then the request was improperly routed here and cannot be handled.\n if (req.method !== 'JSONP') {\n throw new Error(JSONP_ERR_WRONG_METHOD);\n }\n else if (req.responseType !== 'json') {\n throw new Error(JSONP_ERR_WRONG_RESPONSE_TYPE);\n }\n // Everything else happens inside the Observable boundary.\n return new Observable(function (observer) {\n // The first step to make a request is to generate the callback name, and replace the\n // callback placeholder in the URL with the name. Care has to be taken here to ensure\n // a trailing &, if matched, gets inserted back into the URL in the correct place.\n var callback = _this.nextCallback();\n var url = req.urlWithParams.replace(/=JSONP_CALLBACK(&|$)/, \"=\" + callback + \"$1\");\n // Construct the