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Angular - commonly needed directives and services

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/** * @license Angular v8.2.3 * (c) 2010-2019 Google LLC. https://angular.io/ * License: MIT */ (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('rxjs'), require('rxjs/operators'), require('@angular/common')) : typeof define === 'function' && define.amd ? define('@angular/common/http', ['exports', '@angular/core', 'rxjs', 'rxjs/operators', '@angular/common'], factory) : (global = global || self, factory((global.ng = global.ng || {}, global.ng.common = global.ng.common || {}, global.ng.common.http = {}), global.ng.core, global.rxjs, global.rxjs.operators, global.ng.common)); }(this, function (exports, core, rxjs, operators, common) { 'use strict'; /** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ /** * Transforms an `HttpRequest` into a stream of `HttpEvent`s, one of which will likely be a * `HttpResponse`. * * `HttpHandler` is injectable. When injected, the handler instance dispatches requests to the * first interceptor in the chain, which dispatches to the second, etc, eventually reaching the * `HttpBackend`. * * In an `HttpInterceptor`, the `HttpHandler` parameter is the next interceptor in the chain. * * @publicApi */ var HttpHandler = /** @class */ (function () { function HttpHandler() { } return HttpHandler; }()); /** * A final `HttpHandler` which will dispatch the request via browser HTTP APIs to a backend. * * Interceptors sit between the `HttpClient` interface and the `HttpBackend`. * * When injected, `HttpBackend` dispatches requests directly to the backend, without going * through the interceptor chain. * * @publicApi */ var HttpBackend = /** @class */ (function () { function HttpBackend() { } return HttpBackend; }()); /*! ***************************************************************************** Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR NON-INFRINGEMENT. See the Apache Version 2.0 License for specific language governing permissions and limitations under the License. ***************************************************************************** */ /* global Reflect, Promise */ var extendStatics = function(d, b) { extendStatics = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; return extendStatics(d, b); }; function __extends(d, b) { extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); } var __assign = function() { __assign = Object.assign || function __assign(t) { for (var s, i = 1, n = arguments.length; i < n; i++) { s = arguments[i]; for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p]; } return t; }; return __assign.apply(this, arguments); }; function __rest(s, e) { var t = {}; for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p]; if (s != null && typeof Object.getOwnPropertySymbols === "function") for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0) t[p[i]] = s[p[i]]; return t; } function __decorate(decorators, target, key, desc) { var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d; if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc); else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r; return c > 3 && r && Object.defineProperty(target, key, r), r; } function __param(paramIndex, decorator) { return function (target, key) { decorator(target, key, paramIndex); } } function __metadata(metadataKey, metadataValue) { if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(metadataKey, metadataValue); } function __awaiter(thisArg, _arguments, P, generator) { return new (P || (P = Promise))(function (resolve, reject) { function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); } function __generator(thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (_) try { if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [op[0] & 2, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } } function __exportStar(m, exports) { for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p]; } function __values(o) { var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0; if (m) return m.call(o); return { next: function () { if (o && i >= o.length) o = void 0; return { value: o && o[i++], done: !o }; } }; } function __read(o, n) { var m = typeof Symbol === "function" && o[Symbol.iterator]; if (!m) return o; var i = m.call(o), r, ar = [], e; try { while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value); } catch (error) { e = { error: error }; } finally { try { if (r && !r.done && (m = i["return"])) m.call(i); } finally { if (e) throw e.error; } } return ar; } function __spread() { for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i])); return ar; } function __await(v) { return this instanceof __await ? (this.v = v, this) : new __await(v); } function __asyncGenerator(thisArg, _arguments, generator) { if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined."); var g = generator.apply(thisArg, _arguments || []), i, q = []; return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i; function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; } function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } } function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); } function fulfill(value) { resume("next", value); } function reject(value) { resume("throw", value); } function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); } } function __asyncDelegator(o) { var i, p; return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i; function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; } : f; } } function __asyncValues(o) { if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined."); var m = o[Symbol.asyncIterator], i; return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i); function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; } function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); } } function __makeTemplateObject(cooked, raw) { if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; } return cooked; }; function __importStar(mod) { if (mod && mod.__esModule) return mod; var result = {}; if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k]; result.default = mod; return result; } function __importDefault(mod) { return (mod && mod.__esModule) ? mod : { default: mod }; } /** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ /** * Represents the header configuration options for an HTTP request. * * Instances should be assumed immutable with lazy parsing. * * @publicApi */ var HttpHeaders = /** @class */ (function () { /** Constructs a new HTTP header object with the given values.*/ function HttpHeaders(headers) { var _this = this; /** * Internal map of lowercased header names to the normalized * form of the name (the form seen first). */ this.normalizedNames = new Map(); /** * Queued updates to be materialized the next initialization. */ this.lazyUpdate = null; if (!headers) { this.headers = new Map(); } else if (typeof headers === 'string') { this.lazyInit = function () { _this.headers = new Map(); headers.split('\n').forEach(function (line) { var index = line.indexOf(':'); if (index > 0) { var name_1 = line.slice(0, index); var key = name_1.toLowerCase(); var value = line.slice(index + 1).trim(); _this.maybeSetNormalizedName(name_1, key); if (_this.headers.has(key)) { _this.headers.get(key).push(value); } else { _this.headers.set(key, [value]); } } }); }; } else { this.lazyInit = function () { _this.headers = new Map(); Object.keys(headers).forEach(function (name) { var values = headers[name]; var key = name.toLowerCase(); if (typeof values === 'string') { values = [values]; } if (values.length > 0) { _this.headers.set(key, values); _this.maybeSetNormalizedName(name, key); } }); }; } } /** * Checks for existence of a header by a given name. * * @param name The header name to check for existence. * * @returns Whether the header exits. */ HttpHeaders.prototype.has = function (name) { this.init(); return this.headers.has(name.toLowerCase()); }; /** * Retrieves the first header value that matches a given name. * * @param name The header name to retrieve. * * @returns A string if the header exists, null otherwise */ HttpHeaders.prototype.get = function (name) { this.init(); var values = this.headers.get(name.toLowerCase()); return values && values.length > 0 ? values[0] : null; }; /** * Retrieves the names of the headers. * * @returns A list of header names. */ HttpHeaders.prototype.keys = function () { this.init(); return Array.from(this.normalizedNames.values()); }; /** * Retrieves a list of header values for a given header name. * * @param name The header name from which to retrieve the values. * * @returns A string of values if the header exists, null otherwise. */ HttpHeaders.prototype.getAll = function (name) { this.init(); return this.headers.get(name.toLowerCase()) || null; }; /** * Appends a new header value to the existing set of * header values. * * @param name The header name for which to append the values. * * @returns A clone of the HTTP header object with the value appended. */ HttpHeaders.prototype.append = function (name, value) { return this.clone({ name: name, value: value, op: 'a' }); }; /** * Sets a header value for a given name. If the header name already exists, * its value is replaced with the given value. * * @param name The header name. * @param value The value to set or overide for a given name. * * @returns A clone of the HTTP header object with the newly set header value. */ HttpHeaders.prototype.set = function (name, value) { return this.clone({ name: name, value: value, op: 's' }); }; /** * Deletes all header values for a given name. * * @param name The header name. * @param value The header values to delete for a given name. * * @returns A clone of the HTTP header object. */ HttpHeaders.prototype.delete = function (name, value) { return this.clone({ name: name, value: value, op: 'd' }); }; HttpHeaders.prototype.maybeSetNormalizedName = function (name, lcName) { if (!this.normalizedNames.has(lcName)) { this.normalizedNames.set(lcName, name); } }; HttpHeaders.prototype.init = function () { var _this = this; if (!!this.lazyInit) { if (this.lazyInit instanceof HttpHeaders) { this.copyFrom(this.lazyInit); } else { this.lazyInit(); } this.lazyInit = null; if (!!this.lazyUpdate) { this.lazyUpdate.forEach(function (update) { return _this.applyUpdate(update); }); this.lazyUpdate = null; } } }; HttpHeaders.prototype.copyFrom = function (other) { var _this = this; other.init(); Array.from(other.headers.keys()).forEach(function (key) { _this.headers.set(key, other.headers.get(key)); _this.normalizedNames.set(key, other.normalizedNames.get(key)); }); }; HttpHeaders.prototype.clone = function (update) { var clone = new HttpHeaders(); clone.lazyInit = (!!this.lazyInit && this.lazyInit instanceof HttpHeaders) ? this.lazyInit : this; clone.lazyUpdate = (this.lazyUpdate || []).concat([update]); return clone; }; HttpHeaders.prototype.applyUpdate = function (update) { var key = update.name.toLowerCase(); switch (update.op) { case 'a': case 's': var value = update.value; if (typeof value === 'string') { value = [value]; } if (value.length === 0) { return; } this.maybeSetNormalizedName(update.name, key); var base = (update.op === 'a' ? this.headers.get(key) : undefined) || []; base.push.apply(base, __spread(value)); this.headers.set(key, base); break; case 'd': var toDelete_1 = update.value; if (!toDelete_1) { this.headers.delete(key); this.normalizedNames.delete(key); } else { var existing = this.headers.get(key); if (!existing) { return; } existing = existing.filter(function (value) { return toDelete_1.indexOf(value) === -1; }); if (existing.length === 0) { this.headers.delete(key); this.normalizedNames.delete(key); } else { this.headers.set(key, existing); } } break; } }; /** * @internal */ HttpHeaders.prototype.forEach = function (fn) { var _this = this; this.init(); Array.from(this.normalizedNames.keys()) .forEach(function (key) { return fn(_this.normalizedNames.get(key), _this.headers.get(key)); }); }; return HttpHeaders; }()); /** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ /** * Provides encoding and decoding of URL parameter and query-string values. * * Serializes and parses URL parameter keys and values to encode and decode them. * If you pass URL query parameters without encoding, * the query parameters can be misinterpreted at the receiving end. * * * @publicApi */ var HttpUrlEncodingCodec = /** @class */ (function () { function HttpUrlEncodingCodec() { } /** * Encodes a key name for a URL parameter or query-string. * @param key The key name. * @returns The encoded key name. */ HttpUrlEncodingCodec.prototype.encodeKey = function (key) { return standardEncoding(key); }; /** * Encodes the value of a URL parameter or query-string. * @param value The value. * @returns The encoded value. */ HttpUrlEncodingCodec.prototype.encodeValue = function (value) { return standardEncoding(value); }; /** * Decodes an encoded URL parameter or query-string key. * @param key The encoded key name. * @returns The decoded key name. */ HttpUrlEncodingCodec.prototype.decodeKey = function (key) { return decodeURIComponent(key); }; /** * Decodes an encoded URL parameter or query-string value. * @param value The encoded value. * @returns The decoded value. */ HttpUrlEncodingCodec.prototype.decodeValue = function (value) { return decodeURIComponent(value); }; return HttpUrlEncodingCodec; }()); function paramParser(rawParams, codec) { var map = new Map(); if (rawParams.length > 0) { var params = rawParams.split('&'); params.forEach(function (param) { var eqIdx = param.indexOf('='); var _a = __read(eqIdx == -1 ? [codec.decodeKey(param), ''] : [codec.decodeKey(param.slice(0, eqIdx)), codec.decodeValue(param.slice(eqIdx + 1))], 2), key = _a[0], val = _a[1]; var list = map.get(key) || []; list.push(val); map.set(key, list); }); } return map; } function standardEncoding(v) { return encodeURIComponent(v) .replace(/%40/gi, '@') .replace(/%3A/gi, ':') .replace(/%24/gi, '$') .replace(/%2C/gi, ',') .replace(/%3B/gi, ';') .replace(/%2B/gi, '+') .replace(/%3D/gi, '=') .replace(/%3F/gi, '?') .replace(/%2F/gi, '/'); } /** * An HTTP request/response body that represents serialized parameters, * per the MIME type `application/x-www-form-urlencoded`. * * This class is immutable; all mutation operations return a new instance. * * @publicApi */ var HttpParams = /** @class */ (function () { function HttpParams(options) { var _this = this; if (options === void 0) { options = {}; } this.updates = null; this.cloneFrom = null; this.encoder = options.encoder || new HttpUrlEncodingCodec(); if (!!options.fromString) { if (!!options.fromObject) { throw new Error("Cannot specify both fromString and fromObject."); } this.map = paramParser(options.fromString, this.encoder); } else if (!!options.fromObject) { this.map = new Map(); Object.keys(options.fromObject).forEach(function (key) { var value = options.fromObject[key]; _this.map.set(key, Array.isArray(value) ? value : [value]); }); } else { this.map = null; } } /** * Reports whether the body includes one or more values for a given parameter. * @param param The parameter name. * @returns True if the parameter has one or more values, * false if it has no value or is not present. */ HttpParams.prototype.has = function (param) { this.init(); return this.map.has(param); }; /** * Retrieves the first value for a parameter. * @param param The parameter name. * @returns The first value of the given parameter, * or `null` if the parameter is not present. */ HttpParams.prototype.get = function (param) { this.init(); var res = this.map.get(param); return !!res ? res[0] : null; }; /** * Retrieves all values for a parameter. * @param param The parameter name. * @returns All values in a string array, * or `null` if the parameter not present. */ HttpParams.prototype.getAll = function (param) { this.init(); return this.map.get(param) || null; }; /** * Retrieves all the parameters for this body. * @returns The parameter names in a string array. */ HttpParams.prototype.keys = function () { this.init(); return Array.from(this.map.keys()); }; /** * Appends a new value to existing values for a parameter. * @param param The parameter name. * @param value The new value to add. * @return A new body with the appended value. */ HttpParams.prototype.append = function (param, value) { return this.clone({ param: param, value: value, op: 'a' }); }; /** * Replaces the value for a parameter. * @param param The parameter name. * @param value The new value. * @return A new body with the new value. */ HttpParams.prototype.set = function (param, value) { return this.clone({ param: param, value: value, op: 's' }); }; /** * Removes a given value or all values from a parameter. * @param param The parameter name. * @param value The value to remove, if provided. * @return A new body with the given value removed, or with all values * removed if no value is specified. */ HttpParams.prototype.delete = function (param, value) { return this.clone({ param: param, value: value, op: 'd' }); }; /** * Serializes the body to an encoded string, where key-value pairs (separated by `=`) are * separated by `&`s. */ HttpParams.prototype.toString = function () { var _this = this; this.init(); return this.keys() .map(function (key) { var eKey = _this.encoder.encodeKey(key); return _this.map.get(key).map(function (value) { return eKey + '=' + _this.encoder.encodeValue(value); }) .join('&'); }) .join('&'); }; HttpParams.prototype.clone = function (update) { var clone = new HttpParams({ encoder: this.encoder }); clone.cloneFrom = this.cloneFrom || this; clone.updates = (this.updates || []).concat([update]); return clone; }; HttpParams.prototype.init = function () { var _this = this; if (this.map === null) { this.map = new Map(); } if (this.cloneFrom !== null) { this.cloneFrom.init(); this.cloneFrom.keys().forEach(function (key) { return _this.map.set(key, _this.cloneFrom.map.get(key)); }); this.updates.forEach(function (update) { switch (update.op) { case 'a': case 's': var base = (update.op === 'a' ? _this.map.get(update.param) : undefined) || []; base.push(update.value); _this.map.set(update.param, base); break; case 'd': if (update.value !== undefined) { var base_1 = _this.map.get(update.param) || []; var idx = base_1.indexOf(update.value); if (idx !== -1) { base_1.splice(idx, 1); } if (base_1.length > 0) { _this.map.set(update.param, base_1); } else { _this.map.delete(update.param); } } else { _this.map.delete(update.param); break; } } }); this.cloneFrom = this.updates = null; } }; return HttpParams; }()); /** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ /** * Determine whether the given HTTP method may include a body. */ function mightHaveBody(method) { switch (method) { case 'DELETE': case 'GET': case 'HEAD': case 'OPTIONS': case 'JSONP': return false; default: return true; } } /** * Safely assert whether the given value is an ArrayBuffer. * * In some execution environments ArrayBuffer is not defined. */ function isArrayBuffer(value) { return typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer; } /** * Safely assert whether the given value is a Blob. * * In some execution environments Blob is not defined. */ function isBlob(value) { return typeof Blob !== 'undefined' && value instanceof Blob; } /** * Safely assert whether the given value is a FormData instance. * * In some execution environments FormData is not defined. */ function isFormData(value) { return typeof FormData !== 'undefined' && value instanceof FormData; } /** * An outgoing HTTP request with an optional typed body. * * `HttpRequest` represents an outgoing request, including URL, method, * headers, body, and other request configuration options. Instances should be * assumed to be immutable. To modify a `HttpRequest`, the `clone` * method should be used. * * @publicApi */ var HttpRequest = /** @class */ (function () { function HttpRequest(method, url, third, fourth) { this.url = url; /** * The request body, or `null` if one isn't set. * * Bodies are not enforced to be immutable, as they can include a reference to any * user-defined data type. However, interceptors should take care to preserve * idempotence by treating them as such. */ this.body = null; /** * Whether this request should be made in a way that exposes progress events. * * Progress events are expensive (change detection runs on each event) and so * they should only be requested if the consumer intends to monitor them. */ this.reportProgress = false; /** * Whether this request should be sent with outgoing credentials (cookies). */ this.withCredentials = false; /** * The expected response type of the server. * * This is used to parse the response appropriately before returning it to * the requestee. */ this.responseType = 'json'; this.method = method.toUpperCase(); // Next, need to figure out which argument holds the HttpRequestInit // options, if any. var options; // Check whether a body argument is expected. The only valid way to omit // the body argument is to use a known no-body method like GET. if (mightHaveBody(this.method) || !!fourth) { // Body is the third argument, options are the fourth. this.body = (third !== undefined) ? third : null; options = fourth; } else { // No body required, options are the third argument. The body stays null. options = third; } // If options have been passed, interpret them. if (options) { // Normalize reportProgress and withCredentials. this.reportProgress = !!options.reportProgress; this.withCredentials = !!options.withCredentials; // Override default response type of 'json' if one is provided. if (!!options.responseType) { this.responseType = options.responseType; } // Override headers if they're provided. if (!!options.headers) { this.headers = options.headers; } if (!!options.params) { this.params = options.params; } } // If no headers have been passed in, construct a new HttpHeaders instance. if (!this.headers) { this.headers = new HttpHeaders(); } // If no parameters have been passed in, construct a new HttpUrlEncodedParams instance. if (!this.params) { this.params = new HttpParams(); this.urlWithParams = url; } else { // Encode the parameters to a string in preparation for inclusion in the URL. var params = this.params.toString(); if (params.length === 0) { // No parameters, the visible URL is just the URL given at creation time. this.urlWithParams = url; } else { // Does the URL already have query parameters? Look for '?'. var qIdx = url.indexOf('?'); // There are 3 cases to handle: // 1) No existing parameters -> append '?' followed by params. // 2) '?' exists and is followed by existing query string -> // append '&' followed by params. // 3) '?' exists at the end of the url -> append params directly. // This basically amounts to determining the character, if any, with // which to join the URL and parameters. var sep = qIdx === -1 ? '?' : (qIdx < url.length - 1 ? '&' : ''); this.urlWithParams = url + sep + params; } } } /** * Transform the free-form body into a serialized format suitable for * transmission to the server. */ HttpRequest.prototype.serializeBody = function () { // If no body is present, no need to serialize it. if (this.body === null) { return null; } // Check whether the body is already in a serialized form. If so, // it can just be returned directly. if (isArrayBuffer(this.body) || isBlob(this.body) || isFormData(this.body) || typeof this.body === 'string') { return this.body; } // Check whether the body is an instance of HttpUrlEncodedParams. if (this.body instanceof HttpParams) { return this.body.toString(); } // Check whether the body is an object or array, and serialize with JSON if so. if (typeof this.body === 'object' || typeof this.body === 'boolean' || Array.isArray(this.body)) { return JSON.stringify(this.body); } // Fall back on toString() for everything else. return this.body.toString(); }; /** * Examine the body and attempt to infer an appropriate MIME type * for it. * * If no such type can be inferred, this method will return `null`. */ HttpRequest.prototype.detectContentTypeHeader = function () { // An empty body has no content type. if (this.body === null) { return null; } // FormData bodies rely on the browser's content type assignment. if (isFormData(this.body)) { return null; } // Blobs usually have their own content type. If it doesn't, then // no type can be inferred. if (isBlob(this.body)) { return this.body.type || null; } // Array buffers have unknown contents and thus no type can be inferred. if (isArrayBuffer(this.body)) { return null; } // Technically, strings could be a form of JSON data, but it's safe enough // to assume they're plain strings. if (typeof this.body === 'string') { return 'text/plain'; } // `HttpUrlEncodedParams` has its own content-type. if (this.body instanceof HttpParams) { return 'application/x-www-form-urlencoded;charset=UTF-8'; } // Arrays, objects, and numbers will be encoded as JSON. if (typeof this.body === 'object' || typeof this.body === 'number' || Array.isArray(this.body)) { return 'application/json'; } // No type could be inferred. return null; }; HttpRequest.prototype.clone = function (update) { if (update === void 0) { update = {}; } // For method, url, and responseType, take the current value unless // it is overridden in the update hash. var method = update.method || this.method; var url = update.url || this.url; var responseType = update.responseType || this.responseType; // The body is somewhat special - a `null` value in update.body means // whatever current body is present is being overridden with an empty // body, whereas an `undefined` value in update.body implies no // override. var body = (update.body !== undefined) ? update.body : this.body; // Carefully handle the boolean options to differentiate between // `false` and `undefined` in the update args. var withCredentials = (update.withCredentials !== undefined) ? update.withCredentials : this.withCredentials; var reportProgress = (update.reportProgress !== undefined) ? update.reportProgress : this.reportProgress; // Headers and params may be appended to if `setHeaders` or // `setParams` are used. var headers = update.headers || this.headers; var params = update.params || this.params; // Check whether the caller has asked to add headers. if (update.setHeaders !== undefined) { // Set every requested header. headers = Object.keys(update.setHeaders) .reduce(function (headers, name) { return headers.set(name, update.setHeaders[name]); }, headers); } // Check whether the caller has asked to set params. if (update.setParams) { // Set every requested param. params = Object.keys(update.setParams) .reduce(function (params, param) { return params.set(param, update.setParams[param]); }, params); } // Finally, construct the new HttpRequest using the pieces from above. return new HttpRequest(method, url, body, { params: params, headers: headers, reportProgress: reportProgress, responseType: responseType, withCredentials: withCredentials, }); }; return HttpRequest; }()); /** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ (function (HttpEventType) { /** * The request was sent out over the wire. */ HttpEventType[HttpEventType["Sent"] = 0] = "Sent"; /** * An upload progress event was received. */ HttpEventType[HttpEventType["UploadProgress"] = 1] = "UploadProgress"; /** * The response status code and headers were received. */ HttpEventType[HttpEventType["ResponseHeader"] = 2] = "ResponseHeader"; /** * A download progress event was received. */ HttpEventType[HttpEventType["DownloadProgress"] = 3] = "DownloadProgress"; /** * The full response including the body was received. */ HttpEventType[HttpEventType["Response"] = 4] = "Response"; /** * A custom event from an interceptor or a backend. */ HttpEventType[HttpEventType["User"] = 5] = "User"; })(exports.HttpEventType || (exports.HttpEventType = {})); /** * Base class for both `HttpResponse` and `HttpHeaderResponse`. * * @publicApi */ var HttpResponseBase = /** @class */ (function () { /** * Super-constructor for all responses. * * The single parameter accepted is an initialization hash. Any properties * of the response passed there will override the default values. */ function HttpResponseBase(init, defaultStatus, defaultStatusText) { if (defaultStatus === void 0) { defaultStatus = 200; } if (defaultStatusText === void 0) { defaultStatusText = 'OK'; } // If the hash has values passed, use them to initialize the response. // Otherwise use the default values. this.headers = init.headers || new HttpHeaders(); this.status = init.status !== undefined ? init.status : defaultStatus; this.statusText = init.statusText || defaultStatusText; this.url = init.url || null; // Cache the ok value to avoid defining a getter. this.ok = this.status >= 200 && this.status < 300; } return HttpResponseBase; }()); /** * A partial HTTP response which only includes the status and header data, * but no response body. * * `HttpHeaderResponse` is a `HttpEvent` available on the response * event stream, only when progress events are requested. * * @publicApi */ var HttpHeaderResponse = /** @class */ (function (_super) { __extends(HttpHeaderResponse, _super); /** * Create a new `HttpHeaderResponse` with the given parameters. */ function HttpHeaderResponse(init) { if (init === void 0) { init = {}; } var _this = _super.call(this, init) || this; _this.type = exports.HttpEventType.ResponseHeader; return _this; } /** * Copy this `HttpHeaderResponse`, overriding its contents with the * given parameter hash. */ HttpHeaderResponse.prototype.clone = function (update) { if (update === void 0) { update = {}; } // Perform a straightforward initialization of the new HttpHeaderResponse, // overriding the current parameters with new ones if given. return new HttpHeaderResponse({ headers: update.headers || this.headers, status: update.status !== undefined ? update.status : this.status, statusText: update.statusText || this.statusText, url: update.url || this.url || undefined, }); }; return HttpHeaderResponse; }(HttpResponseBase)); /** * A full HTTP response, including a typed response body (which may be `null` * if one was not returned). * * `HttpResponse` is a `HttpEvent` available on the response event * stream. * * @publicApi */ var HttpResponse = /** @class */ (function (_super) { __extends(HttpResponse, _super); /** * Construct a new `HttpResponse`. */ function HttpResponse(init) { if (init === void 0) { init = {}; } var _this = _super.call(this, init) || this; _this.type = exports.HttpEventType.Response; _this.body = init.body !== undefined ? init.body : null; return _this; } HttpResponse.prototype.clone = function (update) { if (update === void 0) { update = {}; } return new HttpResponse({ body: (update.body !== undefined) ? update.body : this.body, headers: update.headers || this.headers, status: (update.status !== undefined) ? update.status : this.status, statusText: update.statusText || this.statusText, url: update.url || this.url || undefined, }); }; return HttpResponse; }(HttpResponseBase)); /** * A response that represents an error or failure, either from a * non-successful HTTP status, an error while executing the request, * or some other failure which occurred during the parsing of the response. * * Any error returned on the `Observable` response stream will be * wrapped in an `HttpErrorResponse` to provide additional context about * the state of the HTTP layer when the error occurred. The error property * will contain either a wrapped Error object or the error response returned * from the server. * * @publicApi */ var HttpErrorResponse = /** @class */ (function (_super) { __extends(HttpErrorResponse, _super); function HttpErrorResponse(init) { var _this = // Initialize with a default status of 0 / Unknown Error. _super.call(this, init, 0, 'Unknown Error') || this; _this.name = 'HttpErrorResponse'; /** * Errors are never okay, even when the status code is in the 2xx success range. */ _this.ok = false; // If the response was successful, then this was a parse error. Otherwise, it was // a protocol-level failure of some sort. Either the request failed in transit // or the server returned an unsuccessful status code. if (_this.status >= 200 && _this.status < 300) { _this.message = "Http failure during parsing for " + (init.url || '(unknown url)'); } else { _this.message = "Http failure response for " + (init.url || '(unknown url)') + ": " + init.status + " " + init.statusText; } _this.error = init.error || null; return _this; } return HttpErrorResponse; }(HttpResponseBase)); /** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ /** * Constructs an instance of `HttpRequestOptions<T>` from a source `HttpMethodOptions` and * the given `body`. This function clones the object and adds the body. */ function addBody(options, body) { return { body: body, headers: options.headers, observe: options.observe, params: options.params, reportProgress: options.reportProgress, responseType: options.responseType, withCredentials: options.withCredentials, }; } /** * Performs HTTP requests. * * This service is available as an injectable class, with methods to perform HTTP requests. * Each request method has multiple signatures, and the return