Function buildRequestInit

core/src/core-plugins.ts:354–396

(options: HttpOptions, extra: RequestInit = {})

 * @param extra Any extra RequestInit values
 */
export const buildRequestInit = (options: HttpOptions, extra: RequestInit = {}): RequestInit => {
  const output: RequestInit = {
    method: options.method || 'GET',
    headers: options.headers,
    ...extra,
  };

  // Get the content-type
  const headers = normalizeHttpHeaders(options.headers);
  const type = headers['content-type'] || '';

  // If body is already a string, then pass it through as-is.
  if (typeof options.data === 'string') {
    output.body = options.data;
  }
  // Build request initializers based off of content-type
  else if (type.includes('application/x-www-form-urlencoded')) {
    const params = new URLSearchParams();
    for (const [key, value] of Object.entries(options.data || {})) {
      params.set(key, value as any);
    }
    output.body = params.toString();
  } else if (type.includes('multipart/form-data') || options.data instanceof FormData) {
    const form = new FormData();
    if (options.data instanceof FormData) {
      options.data.forEach((value, key) => {
        form.append(key, value);
      });
    } else {
      for (const key of Object.keys(options.data)) {
        form.append(key, options.data[key]);
      }
    }
    output.body = form;
    const headers = new Headers(output.headers);
    headers.delete('content-type'); // content-type will be set by `window.fetch` to includy boundary
    output.headers = headers;
  } else if (type.includes('application/json') || typeof options.data === 'object') {
    output.body = JSON.stringify(options.data);
  }

  return output;
};

// WEB IMPLEMENTATION
export class CapacitorHttpPluginWeb extends WebPlugin implements CapacitorHttpPlugin {