@burglekitt/gmt
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Temporal-based date and time utilities with timezone support and polyfill integration
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TypeScript
/**
* Return true when `dateTime` is between `start` and `end` (inclusive by default).
*
* - Uses Temporal.PlainDateTime.compare to compare date-times.
* - Returns false if start > end (invalid range).
* - Returns false if any input is invalid.
* - Use options.inclusiveStart and options.inclusiveEnd to control boundary inclusivity.
*
* @param dateTime ISO PlainDateTime string to check
* @param start ISO PlainDateTime string for the start of the range
* @param end ISO PlainDateTime string for the end of the range
* @param options { inclusiveStart?: boolean = true, inclusiveEnd?: boolean = true }
* @returns boolean indicating whether dateTime is between start and end
*
* @example isBetweenDateTime("2024-02-29T12:00:00", "2024-02-01T00:00:00", "2024-02-28T23:59:59") // false
* @example isBetweenDateTime("2024-02-29T12:00:00", "2024-02-01T00:00:00", "2024-02-29T12:00:00") // true
* @example isBetweenDateTime("2024-02-29T12:00:00", "2024-02-29T12:00:00", "2024-02-28T23:59:59") // false
* @example isBetweenDateTime("2024-02-29T12:00:00", "2024-02-28T23:59:59", "2024-03-01T00:00:00") // true
* @example isBetweenDateTime("invalid", "2024-02-01T00:00:00", "2024-02-28T23:59:59") // false
* @example isBetweenDateTime("2024-02-29T12:00:00", "invalid", "2024-02-28T23:59:59") // false
* @example isBetweenDateTime("2024-02-29T12:00:00", "2024-02-01T00:00:00", "invalid") // false
*/
export declare function isBetweenDateTime(dateTime: string, start: string, end: string, options?: {
inclusiveStart?: boolean;
inclusiveEnd?: boolean;
}): boolean;