@foxify/http/src/utils/parse-url.ts

Foxify HTTP module

/**
 * (The MIT License)
 *
 * Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
 * Copyright (c) 2014-2017 Douglas Christopher Wilson <doug@somethingdoug.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * 'Software'), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/**
 * This module is modified and optimized for this project specifically
 */

import { parse, UrlWithStringQuery } from "url";

/**
 * Parse the `url` with fast-path short-cut.
 *
 * @param {String} url
 * @return {UrlWithStringQuery}
 * @public
 */
export default function parseUrl(url: string): UrlWithStringQuery {
  /* / */
  if (url.charCodeAt(0) !== 0x2f) return parse(url);

  let pathname = url;
  let query = null;
  let search = null;

  // This takes the regexp from https://github.com/joyent/node/pull/7878
  // Which is /^(\/[^?#\s]*)(\?[^#\s]*)?$/
  // And unrolls it into a for loop
  for (let i = 1; i < url.length; i++) {
    switch (url.charCodeAt(i)) {
      case 0x3f: /* ?  */
        if (search === null) {
          pathname = url.substring(0, i);
          query = url.substring(i + 1);
          search = url.substring(i);
        }
        break;
      case 0x09: /* \t */
      case 0x0a: /* \n */
      case 0x0c: /* \f */
      case 0x0d: /* \r */
      case 0x20: /*    */
      case 0x23: /* #  */
      case 0xa0:
      case 0xfeff:
        return parse(url);
      default:
        break;
    }
  }

  // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
  return {
    pathname,
    query,
    search,
    href: url,
    path: url,
  } as never;
}