[Javascript] Chuyển tiếng Việt tổ hợp sang dựng sẵn

compound-to-unicode.js

function compoundUnicode(str) {
  return `${str}`
    .replace(/\u0065\u0309/g, '\u1EBB') //  ẻ
    .replace(/\u0065\u0301/g, '\u00E9') //  é
    .replace(/\u0065\u0300/g, '\u00E8') //  è
    .replace(/\u0065\u0323/g, '\u1EB9') //  ẹ
    .replace(/\u0065\u0303/g, '\u1EBD') //  ẽ
    .replace(/\u00EA\u0309/g, '\u1EC3') //  ể
    .replace(/\u00EA\u0301/g, '\u1EBF') //  ế
    .replace(/\u00EA\u0300/g, '\u1EC1') //  ề
    .replace(/\u00EA\u0323/g, '\u1EC7') //  ệ
    .replace(/\u00EA\u0303/g, '\u1EC5') //  ễ
    .replace(/\u0079\u0309/g, '\u1EF7') //  ỷ
    .replace(/\u0079\u0301/g, '\u00FD') //  ý
    .replace(/\u0079\u0300/g, '\u1EF3') //  ỳ
    .replace(/\u0079\u0323/g, '\u1EF5') //  ỵ
    .replace(/\u0079\u0303/g, '\u1EF9') //  ỹ
    .replace(/\u0075\u0309/g, '\u1EE7') //  ủ
    .replace(/\u0075\u0301/g, '\u00FA') //  ú
    .replace(/\u0075\u0300/g, '\u00F9') //  ù
    .replace(/\u0075\u0323/g, '\u1EE5') //  ụ
    .replace(/\u0075\u0303/g, '\u0169') //  ũ
    .replace(/\u01B0\u0309/g, '\u1EED') //  ử
    .replace(/\u01B0\u0301/g, '\u1EE9') //  ứ
    .replace(/\u01B0\u0300/g, '\u1EEB') //  ừ
    .replace(/\u01B0\u0323/g, '\u1EF1') //  ự
    .replace(/\u01B0\u0303/g, '\u1EEF') //  ữ
    .replace(/\u0069\u0309/g, '\u1EC9') //  ỉ
    .replace(/\u0069\u0301/g, '\u00ED') //  í
    .replace(/\u0069\u0300/g, '\u00EC') //  ì
    .replace(/\u0069\u0323/g, '\u1ECB') //  ị
    .replace(/\u0069\u0303/g, '\u0129') //  ĩ
    .replace(/\u006F\u0309/g, '\u1ECF') //  ỏ
    .replace(/\u006F\u0301/g, '\u00F3') //  ó
    .replace(/\u006F\u0300/g, '\u00F2') //  ò
    .replace(/\u006F\u0323/g, '\u1ECD') //  ọ
    .replace(/\u006F\u0303/g, '\u00F5') //  õ
    .replace(/\u01A1\u0309/g, '\u1EDF') //  ở
    .replace(/\u01A1\u0301/g, '\u1EDB') //  ớ
    .replace(/\u01A1\u0300/g, '\u1EDD') //  ờ
    .replace(/\u01A1\u0323/g, '\u1EE3') //  ợ
    .replace(/\u01A1\u0303/g, '\u1EE1') //  ỡ
    .replace(/\u00F4\u0309/g, '\u1ED5') //  ổ
    .replace(/\u00F4\u0301/g, '\u1ED1') //  ố
    .replace(/\u00F4\u0300/g, '\u1ED3') //  ồ
    .replace(/\u00F4\u0323/g, '\u1ED9') //  ộ
    .replace(/\u00F4\u0303/g, '\u1ED7') //  ỗ
    .replace(/\u0061\u0309/g, '\u1EA3') //  ả
    .replace(/\u0061\u0301/g, '\u00E1') //  á
    .replace(/\u0061\u0300/g, '\u00E0') //  à
    .replace(/\u0061\u0323/g, '\u1EA1') //  ạ
    .replace(/\u0061\u0303/g, '\u00E3') //  ã
    .replace(/\u0103\u0309/g, '\u1EB3') //  ẳ
    .replace(/\u0103\u0301/g, '\u1EAF') //  ắ
    .replace(/\u0103\u0300/g, '\u1EB1') //  ằ
    .replace(/\u0103\u0323/g, '\u1EB7') //  ặ
    .replace(/\u0103\u0303/g, '\u1EB5') //  ẵ
    .replace(/\u00E2\u0309/g, '\u1EA9') //  ẩ
    .replace(/\u00E2\u0301/g, '\u1EA5') //  ấ
    .replace(/\u00E2\u0300/g, '\u1EA7') //  ầ
    .replace(/\u00E2\u0323/g, '\u1EAD') //  ậ
    .replace(/\u00E2\u0303/g, '\u1EAB') //  ẫ
    .replace(/\u0045\u0309/g, '\u1EBA') //  Ẻ
    .replace(/\u0045\u0301/g, '\u00C9') //  É
    .replace(/\u0045\u0300/g, '\u00C8') //  È
    .replace(/\u0045\u0323/g, '\u1EB8') //  Ẹ
    .replace(/\u0045\u0303/g, '\u1EBC') //  Ẽ
    .replace(/\u00CA\u0309/g, '\u1EC2') //  Ể
    .replace(/\u00CA\u0301/g, '\u1EBE') //  Ế
    .replace(/\u00CA\u0300/g, '\u1EC0') //  Ề
    .replace(/\u00CA\u0323/g, '\u1EC6') //  Ệ
    .replace(/\u00CA\u0303/g, '\u1EC4') //  Ễ
    .replace(/\u0059\u0309/g, '\u1EF6') //  Ỷ
    .replace(/\u0059\u0301/g, '\u00DD') //  Ý
    .replace(/\u0059\u0300/g, '\u1EF2') //  Ỳ
    .replace(/\u0059\u0323/g, '\u1EF4') //  Ỵ
    .replace(/\u0059\u0303/g, '\u1EF8') //  Ỹ
    .replace(/\u0055\u0309/g, '\u1EE6') //  Ủ
    .replace(/\u0055\u0301/g, '\u00DA') //  Ú
    .replace(/\u0055\u0300/g, '\u00D9') //  Ù
    .replace(/\u0055\u0323/g, '\u1EE4') //  Ụ
    .replace(/\u0055\u0303/g, '\u0168') //  Ũ
    .replace(/\u01AF\u0309/g, '\u1EEC') //  Ử
    .replace(/\u01AF\u0301/g, '\u1EE8') //  Ứ
    .replace(/\u01AF\u0300/g, '\u1EEA') //  Ừ
    .replace(/\u01AF\u0323/g, '\u1EF0') //  Ự
    .replace(/\u01AF\u0303/g, '\u1EEE') //  Ữ
    .replace(/\u0049\u0309/g, '\u1EC8') //  Ỉ
    .replace(/\u0049\u0301/g, '\u00CD') //  Í
    .replace(/\u0049\u0300/g, '\u00CC') //  Ì
    .replace(/\u0049\u0323/g, '\u1ECA') //  Ị
    .replace(/\u0049\u0303/g, '\u0128') //  Ĩ
    .replace(/\u004F\u0309/g, '\u1ECE') //  Ỏ
    .replace(/\u004F\u0301/g, '\u00D3') //  Ó
    .replace(/\u004F\u0300/g, '\u00D2') //  Ò
    .replace(/\u004F\u0323/g, '\u1ECC') //  Ọ
    .replace(/\u004F\u0303/g, '\u00D5') //  Õ
    .replace(/\u01A0\u0309/g, '\u1EDE') //  Ở
    .replace(/\u01A0\u0301/g, '\u1EDA') //  Ớ
    .replace(/\u01A0\u0300/g, '\u1EDC') //  Ờ
    .replace(/\u01A0\u0323/g, '\u1EE2') //  Ợ
    .replace(/\u01A0\u0303/g, '\u1EE0') //  Ỡ
    .replace(/\u00D4\u0309/g, '\u1ED4') //  Ổ
    .replace(/\u00D4\u0301/g, '\u1ED0') //  Ố
    .replace(/\u00D4\u0300/g, '\u1ED2') //  Ồ
    .replace(/\u00D4\u0323/g, '\u1ED8') //  Ộ
    .replace(/\u00D4\u0303/g, '\u1ED6') //  Ỗ
    .replace(/\u0041\u0309/g, '\u1EA2') //  Ả
    .replace(/\u0041\u0301/g, '\u00C1') //  Á
    .replace(/\u0041\u0300/g, '\u00C0') //  À
    .replace(/\u0041\u0323/g, '\u1EA0') //  Ạ
    .replace(/\u0041\u0303/g, '\u00C3') //  Ã
    .replace(/\u0102\u0309/g, '\u1EB2') //  Ẳ
    .replace(/\u0102\u0301/g, '\u1EAE') //  Ắ
    .replace(/\u0102\u0300/g, '\u1EB0') //  Ằ
    .replace(/\u0102\u0323/g, '\u1EB6') //  Ặ
    .replace(/\u0102\u0303/g, '\u1EB4') //  Ẵ
    .replace(/\u00C2\u0309/g, '\u1EA8') //  Ẩ
    .replace(/\u00C2\u0301/g, '\u1EA4') //  Ấ
    .replace(/\u00C2\u0300/g, '\u1EA6') //  Ầ
    .replace(/\u00C2\u0323/g, '\u1EAC') //  Ậ
    .replace(/\u00C2\u0303/g, '\u1EAA') //  Ẫ
}

Hãy update cái này cho gọn nhé: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/normalize

thanks you @nhahv