JS convert windows 1255 (hebrew) to utf8

Window1255_HEB_to_UTF8.js

const win1255 = [
  ..."àýáýâýãýäýåýæýçýèýéýëýêìýîýðýñýòýôýöý÷ýøýùýúíýïóýõáÌâÌãÌëÌêÌôÌóÌùÑùÒúÌ×ÈýÇýÂÅýÆýÁÉýÃËÌÄåÌ",
].filter((e) => e != "ý");
const hebutf8 = [
  ..."א‎ב‎ג‎ד‎ה‎ו‎ז‎ח‎ט‎י‎כ‎ךל‎מ‎נ‎ס‎ע‎פ‎צ‎ק‎ר‎ש‎תם‎ןף‎ץבּגּדּכּךּפּףּשׁשׂתּ׳ָ‎ַ‎ֲֵ‎ֶ‎ֱֹ‎ֳִֻּוּ",
].filter((e) => !!e && e.charCodeAt(0) != 8206);

function win1255toUTF(str) {
  return [...str]
    .map((e) => (win1255.indexOf(e) > -1 ? hebutf8[win1255.indexOf(e)] : e))
    .join("");
}