export function paramStringToObject()

in public/js/util/urlParameters.js [34:60]

• 17 lines of code
• 5 McCabe index (conditional complexity)

export function paramStringToObject(string) {

  const stringNoQuestion = string[0] === "?" ? string.slice(1, string.length) : string;

  const params = stringNoQuestion.split("&");

  const paramsObject = params.reduce((paramsObject, param) => {
    const splitParam = param.split("=");

    if (splitParam.length !== 2) {
      return paramsObject; //Not key=value fail fast
    }

    const rawKey = decodeURIComponent(splitParam[0]);
    const rawValue = decodeURIComponent(splitParam[1]);

    const isArray = rawKey.indexOf('[]') !== -1;

    const key = isArray ? rawKey.replace("[]", '') : rawKey; // Strip off the [] if array
    const value = isArray ? _get(paramsObject, key, []).concat([rawValue]) : rawValue; // add to any existing values if array

    return Object.assign({}, _set(paramsObject, key, value));

  }, {});

  return paramsObject;
}