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test: disassembleCompleteHangulCharacter 테스트 추가 (#126)
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* test: 완전한 한글 문자열이 아닌 경우 undefined 확인하는 테스트 추가

* chore: 함수 관련 설명 주석 추가
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jgjgill committed Jun 19, 2024
1 parent 7d3f5ab commit c9afca0
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5 changes: 5 additions & 0 deletions src/disassembleCompleteHangulCharacter.spec.ts
Original file line number Diff line number Diff line change
Expand Up @@ -32,4 +32,9 @@ describe('disassembleCompleteHangulCharacter', () => {
last: 'ㄱ',
});
});

it('완전한 한글 문자열이 아니면 undefined를 반환해야 합니다.', () => {
expect(disassembleCompleteHangulCharacter('ㄱ')).toBeUndefined;
expect(disassembleCompleteHangulCharacter('ㅏ')).toBeUndefined;
});
});
14 changes: 14 additions & 0 deletions src/disassembleCompleteHangulCharacter.ts
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,20 @@ interface ReturnTypeDisassembleCompleteHangulCharacter {
last: (typeof HANGUL_CHARACTERS_BY_LAST_INDEX)[number];
}

/**
* @name disassembleCompleteHangulCharacter
* @description
* 완전한 한글 문자열을 초성, 중성, 종성으로 분리합니다.
*
* @param {string} letter 분리하고자 하는 완전한 한글 문자열
*
* @example
* disassembleCompleteHangulCharacter('값') // { first: 'ㄱ', middle: 'ㅏ', last: 'ㅂㅅ' }
* disassembleCompleteHangulCharacter('리') // { first: 'ㄹ', middle: 'ㅣ', last: '' }
* disassembleCompleteHangulCharacter('빚') // { first: 'ㅂ', middle: 'ㅣ', last: 'ㅈ' }
* disassembleCompleteHangulCharacter('박') // { first: 'ㅂ', middle: 'ㅏ', last: 'ㄱ' }
*/

export function disassembleCompleteHangulCharacter(
letter: string
): ReturnTypeDisassembleCompleteHangulCharacter | undefined {
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