Module-Data-Groups/Sprint-2/implement/querystring.js at a1c9c1ec579b03d93805c55e7cb647e7a67c2dcf · asaniDev/Module-Data-Groups · GitHub

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function parseQueryString(queryString) {
  const queryParams = {};
  if (queryString.length === 0) {
    return queryParams;
  }

  if (queryString.includes("&")) {
    const keyValuePairs = queryString.split("&");

    for (const pair of keyValuePairs) {
      let countMatch = 0;

      if (pair.includes("=")) {
        const equalSignIndex = pair.indexOf("=");

        queryParams[pair.slice(0, equalSignIndex)] = pair.slice(
          equalSignIndex + 1
        );
      } else {
        throw new Error(
          "error invalid format string, no = to separate key value pairs"
        );
      }
    }
  }

  if (queryString.includes("=")) {
    const equalSignIndex = queryString.indexOf("=");

    queryParams[queryString.slice(0, equalSignIndex)] = queryString.slice(
      equalSignIndex + 1
    );
  } else {
    throw new Error(
      "error invalid format string, no = to separate key value pairs"
    );
  }

  return queryParams;
}

module.exports = parseQueryString;