@azure/core-rest-pipeline/dist/browser/policies/setClientRequestIdPolicy.js

Isomorphic client library for making HTTP requests in node.js and browser.

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
/**
 * The programmatic identifier of the setClientRequestIdPolicy.
 */
export const setClientRequestIdPolicyName = "setClientRequestIdPolicy";
/**
 * Each PipelineRequest gets a unique id upon creation.
 * This policy passes that unique id along via an HTTP header to enable better
 * telemetry and tracing.
 * @param requestIdHeaderName - The name of the header to pass the request ID to.
 */
export function setClientRequestIdPolicy(requestIdHeaderName = "x-ms-client-request-id") {
    return {
        name: setClientRequestIdPolicyName,
        async sendRequest(request, next) {
            if (!request.headers.has(requestIdHeaderName)) {
                request.headers.set(requestIdHeaderName, request.requestId);
            }
            return next(request);
        },
    };
}
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