// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT License.
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import { createHttpHeaders, createPipelineRequest } from "@azure/core-rest-pipeline";
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// We use a custom symbol to cache a reference to the original request without
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// exposing it on the public interface.
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const originalRequestSymbol = Symbol("Original PipelineRequest");
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// Symbol.for() will return the same symbol if it's already been created
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// This particular one is used in core-client to handle the case of when a request is
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// cloned but we need to retrieve the OperationSpec and OperationArguments from the
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// original request.
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const originalClientRequestSymbol = Symbol.for("@azure/core-client original request");
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export function toPipelineRequest(webResource, options = {}) {
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const compatWebResource = webResource;
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const request = compatWebResource[originalRequestSymbol];
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const headers = createHttpHeaders(webResource.headers.toJson({ preserveCase: true }));
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if (request) {
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request.headers = headers;
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return request;
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}
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else {
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const newRequest = createPipelineRequest({
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url: webResource.url,
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method: webResource.method,
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headers,
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withCredentials: webResource.withCredentials,
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timeout: webResource.timeout,
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requestId: webResource.requestId,
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abortSignal: webResource.abortSignal,
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body: webResource.body,
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formData: webResource.formData,
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disableKeepAlive: !!webResource.keepAlive,
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onDownloadProgress: webResource.onDownloadProgress,
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onUploadProgress: webResource.onUploadProgress,
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proxySettings: webResource.proxySettings,
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streamResponseStatusCodes: webResource.streamResponseStatusCodes,
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agent: webResource.agent,
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requestOverrides: webResource.requestOverrides,
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});
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if (options.originalRequest) {
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newRequest[originalClientRequestSymbol] =
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options.originalRequest;
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}
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return newRequest;
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}
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}
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export function toWebResourceLike(request, options) {
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const originalRequest = options?.originalRequest ?? request;
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const webResource = {
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url: request.url,
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method: request.method,
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headers: toHttpHeadersLike(request.headers),
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withCredentials: request.withCredentials,
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timeout: request.timeout,
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requestId: request.headers.get("x-ms-client-request-id") || request.requestId,
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abortSignal: request.abortSignal,
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body: request.body,
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formData: request.formData,
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keepAlive: !!request.disableKeepAlive,
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onDownloadProgress: request.onDownloadProgress,
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onUploadProgress: request.onUploadProgress,
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proxySettings: request.proxySettings,
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streamResponseStatusCodes: request.streamResponseStatusCodes,
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agent: request.agent,
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requestOverrides: request.requestOverrides,
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clone() {
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throw new Error("Cannot clone a non-proxied WebResourceLike");
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},
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prepare() {
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throw new Error("WebResourceLike.prepare() is not supported by @azure/core-http-compat");
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},
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validateRequestProperties() {
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/** do nothing */
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},
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};
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if (options?.createProxy) {
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return new Proxy(webResource, {
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get(target, prop, receiver) {
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if (prop === originalRequestSymbol) {
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return request;
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}
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else if (prop === "clone") {
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return () => {
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return toWebResourceLike(toPipelineRequest(webResource, { originalRequest }), {
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createProxy: true,
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originalRequest,
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});
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};
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}
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return Reflect.get(target, prop, receiver);
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},
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set(target, prop, value, receiver) {
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if (prop === "keepAlive") {
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request.disableKeepAlive = !value;
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}
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const passThroughProps = [
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"url",
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"method",
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"withCredentials",
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"timeout",
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"requestId",
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"abortSignal",
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"body",
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"formData",
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"onDownloadProgress",
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"onUploadProgress",
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"proxySettings",
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"streamResponseStatusCodes",
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"agent",
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"requestOverrides",
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];
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if (typeof prop === "string" && passThroughProps.includes(prop)) {
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request[prop] = value;
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}
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return Reflect.set(target, prop, value, receiver);
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},
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});
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}
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else {
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return webResource;
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}
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}
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/**
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* Converts HttpHeaders from core-rest-pipeline to look like
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* HttpHeaders from core-http.
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* @param headers - HttpHeaders from core-rest-pipeline
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* @returns HttpHeaders as they looked in core-http
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*/
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export function toHttpHeadersLike(headers) {
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return new HttpHeaders(headers.toJSON({ preserveCase: true }));
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}
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/**
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* A collection of HttpHeaders that can be sent with a HTTP request.
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*/
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function getHeaderKey(headerName) {
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return headerName.toLowerCase();
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}
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/**
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* A collection of HTTP header key/value pairs.
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*/
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export class HttpHeaders {
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_headersMap;
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constructor(rawHeaders) {
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this._headersMap = {};
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if (rawHeaders) {
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for (const headerName in rawHeaders) {
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this.set(headerName, rawHeaders[headerName]);
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}
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}
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}
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/**
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* Set a header in this collection with the provided name and value. The name is
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* case-insensitive.
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* @param headerName - The name of the header to set. This value is case-insensitive.
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* @param headerValue - The value of the header to set.
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*/
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set(headerName, headerValue) {
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this._headersMap[getHeaderKey(headerName)] = {
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name: headerName,
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value: headerValue.toString(),
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};
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}
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/**
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* Get the header value for the provided header name, or undefined if no header exists in this
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* collection with the provided name.
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* @param headerName - The name of the header.
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*/
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get(headerName) {
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const header = this._headersMap[getHeaderKey(headerName)];
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return !header ? undefined : header.value;
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}
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/**
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* Get whether or not this header collection contains a header entry for the provided header name.
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*/
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contains(headerName) {
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return !!this._headersMap[getHeaderKey(headerName)];
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}
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/**
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* Remove the header with the provided headerName. Return whether or not the header existed and
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* was removed.
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* @param headerName - The name of the header to remove.
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*/
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remove(headerName) {
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const result = this.contains(headerName);
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delete this._headersMap[getHeaderKey(headerName)];
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return result;
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}
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/**
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* Get the headers that are contained this collection as an object.
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*/
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rawHeaders() {
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return this.toJson({ preserveCase: true });
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}
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/**
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* Get the headers that are contained in this collection as an array.
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*/
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headersArray() {
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const headers = [];
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for (const headerKey in this._headersMap) {
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headers.push(this._headersMap[headerKey]);
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}
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return headers;
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}
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/**
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* Get the header names that are contained in this collection.
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*/
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headerNames() {
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const headerNames = [];
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const headers = this.headersArray();
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for (let i = 0; i < headers.length; ++i) {
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headerNames.push(headers[i].name);
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}
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return headerNames;
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}
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/**
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* Get the header values that are contained in this collection.
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*/
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headerValues() {
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const headerValues = [];
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const headers = this.headersArray();
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for (let i = 0; i < headers.length; ++i) {
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headerValues.push(headers[i].value);
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}
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return headerValues;
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}
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/**
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* Get the JSON object representation of this HTTP header collection.
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*/
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toJson(options = {}) {
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const result = {};
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if (options.preserveCase) {
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for (const headerKey in this._headersMap) {
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const header = this._headersMap[headerKey];
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result[header.name] = header.value;
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}
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}
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else {
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for (const headerKey in this._headersMap) {
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const header = this._headersMap[headerKey];
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result[getHeaderKey(header.name)] = header.value;
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}
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}
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return result;
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}
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/**
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* Get the string representation of this HTTP header collection.
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*/
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toString() {
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return JSON.stringify(this.toJson({ preserveCase: true }));
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}
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/**
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* Create a deep clone/copy of this HttpHeaders collection.
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*/
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clone() {
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const resultPreservingCasing = {};
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for (const headerKey in this._headersMap) {
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const header = this._headersMap[headerKey];
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resultPreservingCasing[header.name] = header.value;
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}
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return new HttpHeaders(resultPreservingCasing);
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}
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}
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//# sourceMappingURL=util.js.map
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