Method #adjust

packages/core/src/prompts/date.ts:226–254

(direction: 1 | -1)

	}

	#adjust(direction: 1 | -1) {
		const ctx = this.#seg();
		if (!ctx) return;
		const { segment } = ctx;
		const raw = this.#segmentValues[segment.type];
		const isBlank = !raw || raw.replace(/_/g, '') === '';
		const num = Number.parseInt((raw || '0').replace(/_/g, '0'), 10) || 0;
		const bounds = segmentBounds(
			segment.type,
			parse(this.#segmentValues),
			this.#minDate,
			this.#maxDate
		);

		let next: number;
		if (isBlank) {
			next = direction === 1 ? bounds.min : bounds.max;
		} else {
			next = Math.max(Math.min(bounds.max, num + direction), bounds.min);
		}

		this.#segmentValues = {
			...this.#segmentValues,
			[segment.type]: next.toString().padStart(segment.len, '0'),
		};
		this.#segmentSelected = true;
		this.#pendingTensDigit = null;
		this.#refresh();
	}

	#onCursor(key?: string) {
		if (!key) return;