@scalar/oas-utils/dist/helpers/redirect-to-proxy.js

Open API spec and Yaml handling utilities

import { isLocalUrl } from "@scalar/helpers/url/is-local-url";
import { isRelativePath } from "@scalar/helpers/url/is-relative-path";
function redirectToProxy(proxyUrl, url) {
  try {
    if (!shouldUseProxy(proxyUrl, url)) {
      return url ?? "";
    }
    const newUrl = new URL(url);
    const temporaryProxyUrl = isRelativePath(proxyUrl) ? `http://localhost${proxyUrl}` : proxyUrl;
    newUrl.href = temporaryProxyUrl;
    newUrl.searchParams.append("scalar_url", url);
    const result = isRelativePath(proxyUrl) ? newUrl.toString().replace(/^http:\/\/localhost/, "") : newUrl.toString();
    return result;
  } catch {
    return url ?? "";
  }
}
function shouldUseProxy(proxyUrl, url) {
  try {
    if (!proxyUrl || !url) {
      return false;
    }
    if (isRelativePath(url)) {
      return false;
    }
    if (isRelativePath(proxyUrl)) {
      return true;
    }
    if (isLocalUrl(proxyUrl)) {
      return true;
    }
    if (isLocalUrl(url)) {
      return false;
    }
    return true;
  } catch {
    return false;
  }
}
export {
  redirectToProxy,
  shouldUseProxy
};
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