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mergeIntervalsUnix

mergeIntervalsUnix(intervals: { start: string | number; end: string | number; }[]): { start: number; end: number; }[]
import { mergeIntervalsUnix } from "@northguild/gmt/unix/interval";

Collapse a list of Unix epoch intervals into the minimum set of non-overlapping intervals.

  • List-form generalization of intervalUnionUnix, which is pairwise only.
  • Intervals are merged when they overlap or share an endpoint exactly (adjacent intervals ARE merged).
  • Order of the input list does not matter; the result is sorted by start.
  • Returns [] for an empty list.
  • Returns [] when intervals is not an array, when any element is not a { start, end } record of finite numeric (or numeric-string) values, or when any element has start > end.
Parameter Type Description
intervals { start: string | number; end: string | number; }[] array of { start, end } records

the minimum set of non-overlapping { start, end } records, sorted by start, or [] on invalid input

mergeIntervalsUnix([{ start: 0, end: 1000000 }, { start: 500000, end: 1500000 }]) // [{ start: 0, end: 1500000 }]
mergeIntervalsUnix([]) // []

unix/interval/mergeIntervalsUnix.ts