Add extracted source directory and README navigation

extracted-source/node_modules/@azure/identity/dist/esm/util/processMultiTenantRequest.js

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+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+import { CredentialUnavailableError } from "../errors.js";
+function createConfigurationErrorMessage(tenantId) {
+    return `The current credential is not configured to acquire tokens for tenant ${tenantId}. To enable acquiring tokens for this tenant add it to the AdditionallyAllowedTenants on the credential options, or add "*" to AdditionallyAllowedTenants to allow acquiring tokens for any tenant.`;
+}
+/**
+ * Of getToken contains a tenantId, this functions allows picking this tenantId as the appropriate for authentication,
+ * unless multitenant authentication has been disabled through the AZURE_IDENTITY_DISABLE_MULTITENANTAUTH (on Node.js),
+ * or unless the original tenant Id is `adfs`.
+ * @internal
+ */
+export function processMultiTenantRequest(tenantId, getTokenOptions, additionallyAllowedTenantIds = [], logger) {
+    var _a;
+    let resolvedTenantId;
+    if (process.env.AZURE_IDENTITY_DISABLE_MULTITENANTAUTH) {
+        resolvedTenantId = tenantId;
+    }
+    else if (tenantId === "adfs") {
+        resolvedTenantId = tenantId;
+    }
+    else {
+        resolvedTenantId = (_a = getTokenOptions === null || getTokenOptions === void 0 ? void 0 : getTokenOptions.tenantId) !== null && _a !== void 0 ? _a : tenantId;
+    }
+    if (tenantId &&
+        resolvedTenantId !== tenantId &&
+        !additionallyAllowedTenantIds.includes("*") &&
+        !additionallyAllowedTenantIds.some((t) => t.localeCompare(resolvedTenantId) === 0)) {
+        const message = createConfigurationErrorMessage(resolvedTenantId);
+        logger === null || logger === void 0 ? void 0 : logger.info(message);
+        throw new CredentialUnavailableError(message);
+    }
+    return resolvedTenantId;
+}
+//# sourceMappingURL=processMultiTenantRequest.js.map