import { hasUriEncodedChars } from "./utils.js";
function encode(obj, pfx) {
  let k, i, tmp, str = "";
  for (k in obj) {
    if ((tmp = obj[k]) !== void 0) {
      if (Array.isArray(tmp)) {
        for (i = 0; i < tmp.length; i++) {
          str && (str += "&");
          str += encodeURIComponent(k) + "=" + encodeURIComponent(tmp[i]);
        }
      } else {
        str && (str += "&");
        str += encodeURIComponent(k) + "=" + encodeURIComponent(tmp);
      }
    }
  }
  return (pfx || "") + str;
}
function toValue(mix) {
  if (!mix) return "";
  const str = hasUriEncodedChars(mix) ? decodeURIComponent(mix) : decodeURIComponent(encodeURIComponent(mix));
  if (str === "false") return false;
  if (str === "true") return true;
  return +str * 0 === 0 && +str + "" === str ? +str : str;
}
function decode(str, pfx) {
  let tmp, k;
  const out = {}, arr = (pfx ? str.substr(pfx.length) : str).split("&");
  while (tmp = arr.shift()) {
    const equalIndex = tmp.indexOf("=");
    if (equalIndex !== -1) {
      k = tmp.slice(0, equalIndex);
      k = decodeURIComponent(k);
      const value = tmp.slice(equalIndex + 1);
      if (out[k] !== void 0) {
        out[k] = [].concat(out[k], toValue(value));
      } else {
        out[k] = toValue(value);
      }
    } else {
      k = tmp;
      k = decodeURIComponent(k);
      out[k] = "";
    }
  }
  return out;
}
export {
  decode,
  encode
};
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