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Parse custom date formats with mandatory referenceDate, detect interval overlaps with boundary exclusivity, and distinguish 24-hour difference from calendar days in date-fns

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PUBLISHED L3_CONTRACT_PASS MIT-0

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목표: Parse custom date formats with mandatory referenceDate, detect interval overlaps with boundary exclusivity, and distinguish 24-hour difference from calendar days in date-fns HOW
패키지: date-fns 4.4.0
환경: node
생성일: 2026-08-16T07:05:16Z

assert parse without referenceDate produces an Invalid Date with NaN timestamp
assert parse with referenceDate resolves custom date patterns to valid Date
assert parse inherits omitted year, month, and day fields from referenceDate
assert areIntervalsOverlapping is boundary-exclusive by default (inclusive: false)
assert areIntervalsOverlapping detects abutting intervals when inclusive: true is specified
assert isWithinInterval includes both start and end boundaries
assert differenceInDays counts elapsed 24-hour periods rather than calendar transitions
assert differenceInCalendarDays reflects calendar crossings regardless of elapsed hours

node 22 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-16 · ed25519:d91480838ac982c9