@azure/core-lro/dist/esm/http/utils.js

Isomorphic client library for supporting long-running operations in node.js and browser.

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
/**
 * Rewrites a given URL to use the specified base URL.
 * It preserves the pathname, search parameters, and fragment.
 * Handles relative URLs and proper encoding.
 *
 * @param params - An object containing the url and baseUrl.
 *                    url - The original URL (absolute or relative).
 *                    baseUrl - The new base URL to use.
 * @returns The rewritten URL as a string.
 */
export function rewriteUrl({ url, baseUrl, }) {
    if (!url) {
        return undefined;
    }
    if (!baseUrl) {
        return url;
    }
    let originalUrl;
    try {
        // Try to parse inputUrl as an absolute URL.
        originalUrl = new URL(url);
    }
    catch (_a) {
        // If inputUrl is relative, resolve using the provided baseUrl.
        try {
            originalUrl = new URL(url, baseUrl);
        }
        catch (e) {
            throw new Error(`Invalid input URL provided: ${url}`);
        }
    }
    let newBase;
    try {
        newBase = new URL(baseUrl);
    }
    catch (e) {
        throw new Error(`Invalid base URL provided: ${baseUrl}`);
    }
    const rewrittenUrl = new URL(`${originalUrl.pathname}${originalUrl.search}${originalUrl.hash}`, newBase);
    return rewrittenUrl.toString();
}
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