@ou-imdt/utils/lib/getFetchDetail.js

Utility library for interactive media development

import isSupportedFetchType from './isSupportedFetchType.js';

/**
 * Parses a URL and determines the fetch type, if supported.
 * @param {string} value - The value to parse for fetch type information.
 * @returns {Object} An object containing:
 * - `input`: The original input value.
 * - `url`: The URL extracted from the input.
 * - `suffix`: An optional suffix in the query string.
 * - `type`: The inferred fetch type from either the suffix or the file extension.
 * - `ext`: The file extension extracted from the URL.
 * - `supported`: Boolean indicating if the fetch type is supported.
 */
export default function getFetchDetail(value) {
  const regex = /^(.*?)(?:\?([a-z]{2,4}))?$/; // any char one or more not greedy, with optional '.json?text'
  const [_, url, as] = value?.match(regex) ?? [];
  const ext = url.split('.').pop();
  const type = (as ?? ext);
  const supported = isSupportedFetchType(type);
  return { url, as, type, ext, supported };
};