@toolpad/utils/httpApiAdapters.js

Shared utilities used by Toolpad packages.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.adaptRequestFromExpressToFetch = adaptRequestFromExpressToFetch;
exports.encodeRequestBody = encodeRequestBody;
function encodeRequestBody(req) {
  const contentType = req.headers['content-type'];
  if (typeof req.body === 'object' && contentType?.includes('application/x-www-form-urlencoded')) {
    return Object.entries(req.body).reduce((acc, [key, value]) => {
      const encKey = encodeURIComponent(key);
      const encValue = encodeURIComponent(value);
      return `${acc ? `${acc}&` : ''}${encKey}=${encValue}`;
    }, '');
  }
  if (contentType?.includes('application/json')) {
    return JSON.stringify(req.body);
  }
  return req.body;
}
function adaptRequestFromExpressToFetch(req) {
  // Converting Express req headers to Fetch API's Headers
  const headers = new Headers();
  for (const headerName of Object.keys(req.headers)) {
    const headerValue = req.headers[headerName]?.toString() ?? '';
    if (Array.isArray(headerValue)) {
      for (const value of headerValue) {
        headers.append(headerName, value);
      }
    } else {
      headers.append(headerName, headerValue);
    }
  }

  // Creating Fetch API's Request object from Express' req
  return new Request(`${req.protocol}://${req.get('host')}${req.originalUrl}`, {
    method: req.method,
    headers,
    body: /GET|HEAD/.test(req.method) ? undefined : encodeRequestBody(req)
  });
}