eomsangdonandClaude Sonnet 5.5
348003cf5a
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01D2nUMUMTsqm93PbQtipo6c
34 lines
1.3 KiB
TypeScript
34 lines
1.3 KiB
TypeScript
/* =============================================================================
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* M02_DF_Round.ts
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* 끝수 — 출력 칸 수식을 ROUND 계열로 감쌈 · 감싼 것을 읽음 · DOM 없음
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* 소수자리 제안은 단위 표준(M02_DF_UnitPick.suggestPlaces) · 주 ① 반올림 · ② 항목 값 우선
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* ========================================================================== */
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export type RoundMode = "반올림" | "올림" | "버림";
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export const ROUND_FN: Record<RoundMode, string> = {
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반올림: "ROUND",
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올림: "ROUNDUP",
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버림: "ROUNDDOWN",
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};
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export interface RoundSpec {
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places: number;
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mode: RoundMode;
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}
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const WRAPPED = /^(ROUND|ROUNDUP|ROUNDDOWN)\((.*),\s*(-?\d+)\s*\)$/s;
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/** 칸 수식(앞 = 뺀 글) → 끝수 · 안 감싸였으면 null */
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export function parseRound(formula: string): { spec: RoundSpec; inner: string } | null {
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const m = WRAPPED.exec(formula.trim());
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if (!m) return null;
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const mode = (Object.keys(ROUND_FN) as RoundMode[]).find((k) => ROUND_FN[k] === m[1]);
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return mode ? { spec: { places: Number(m[3]), mode }, inner: m[2] } : null;
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}
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/** 안쪽 글에 끝수를 씌움 — spec 이 null 이면 벗김 */
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export function wrapRound(inner: string, spec: RoundSpec | null): string {
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return spec ? `${ROUND_FN[spec.mode]}(${inner}, ${spec.places})` : inner;
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}
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