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eachDay

Returns an array of Date objects for each day from start to end (inclusive).

Both boundaries are included. If start > end, an empty array is returned. Returns an empty array if either input is invalid.

Available since v2.0.0

Import

Section titled “Import”
import { eachDay } from '@helpers4/date';

Signature

Section titled “Signature”
eachDay(start: DateLike, end: DateLike): Date[]

Parameters

Section titled “Parameters”
ParameterTypeDescription
startDateLikeStart date (inclusive)
endDateLikeEnd date (inclusive)

Returns

Section titled “Returns”

Date[] — An array of Date objects, one per day

Examples

Section titled “Examples”

eachDay

Section titled “eachDay”
eachDay('2025-01-01', '2025-01-03')
// => [Date(2025-01-01), Date(2025-01-02), Date(2025-01-03)]
Section titled “Related Types”

DateLike

Section titled “DateLike”

A value that can be converted to a Date.

  • Date — used as-is (validated for Invalid Date)
  • number — treated as a timestamp (seconds or milliseconds, auto-detected); 0 is treated as invalid and produces null in ensureDate
  • string — parsed via new Date(string)
  • Temporal.Instant | Temporal.ZonedDateTime — read via their epochMilliseconds property
type DateLike = Date | number | string | Temporal.Instant | Temporal.ZonedDateTime

Source

Section titled “Source”

View source on GitHub