List hangul syllables

hangle-syllables.js

/*

$ node hangle-syllables.js
가 : ㄱ ㅏ 
각 : ㄱ ㅏ ㄱ
갂 : ㄱ ㅏ ㄲ
갃 : ㄱ ㅏ ㄳ
간 : ㄱ ㅏ ㄴ
갅 : ㄱ ㅏ ㄵ
갆 : ㄱ ㅏ ㄶ
...

references
- https://en.wikipedia.org/wiki/Hangul_consonant_and_vowel_tables

*/

//
// jamo
//

// 0x3131 ... (30)
const CONSONANTS = [
  'ㄱ', 'ㄲ', 'ㄳ', 'ㄴ', 'ㄵ', 'ㄶ', 'ㄷ',
  'ㄸ', 'ㄹ', 'ㄺ', 'ㄻ', 'ㄼ', 'ㄽ', 'ㄾ',
  'ㄿ', 'ㅀ', 'ㅁ', 'ㅂ', 'ㅃ', 'ㅄ', 'ㅅ',
  'ㅆ', 'ㅇ', 'ㅈ', 'ㅉ', 'ㅊ', 'ㅋ', 'ㅌ',
  'ㅍ', 'ㅎ'
]
const CONSONANTS_NON_INITIAL = ['ㄳ', 'ㄵ', 'ㄶ', 'ㄺ', 'ㄻ', 'ㄼ', 'ㄽ', 'ㄾ', 'ㄿ', 'ㅀ', 'ㅄ'];
const CONSONANTS_NON_FINAL = ['ㄸ', 'ㅃ', 'ㅉ'];

// 0x314f ...  (21)
const VOWELS = [
  'ㅏ', 'ㅐ', 'ㅑ', 'ㅒ', 'ㅓ',
  'ㅔ', 'ㅕ', 'ㅖ', 'ㅗ', 'ㅘ', 'ㅙ', 'ㅚ',
  'ㅛ', 'ㅜ', 'ㅝ', 'ㅞ', 'ㅟ', 'ㅠ', 'ㅡ',
  'ㅢ', 'ㅣ'
]

//
// syllable
//

const INITIALS = CONSONANTS.filter(s => !CONSONANTS_NON_INITIAL.includes(s));
const MEDIALS = VOWELS;
const FINALS = ["", ...CONSONANTS.filter(s => !CONSONANTS_NON_FINAL.includes(s))];
const SYLLABLE_OFFSET = 0xac00;

let offset = SYLLABLE_OFFSET;
for (const i of INITIALS) {
  for (const m of MEDIALS) {
    for (const f of FINALS) {
      const s = String.fromCodePoint(offset++);
      console.log(s, ":", i, m, f);
    }
  }
}