Class DatePrompt

packages/core/src/prompts/date.ts:130–431

}

export default class DatePrompt extends Prompt<Date> {
	#segments: SegmentConfig[];
	#separator: string;
	#segmentValues: DateParts;
	#minDate: Date | undefined;
	#maxDate: Date | undefined;
	#cursor = { segmentIndex: 0, positionInSegment: 0 };
	#segmentSelected = true;
	#pendingTensDigit: string | null = null;

	inlineError = '';

	get segmentCursor() {
		return { ...this.#cursor };
	}

	get segmentValues(): DateParts {
		return { ...this.#segmentValues };
	}

	get segments(): readonly SegmentConfig[] {
		return this.#segments;
	}

	get separator(): string {
		return this.#separator;
	}

	get formattedValue(): string {
		return this.#format(this.#segmentValues);
	}

	#format(parts: DateParts): string {
		return this.#segments.map((s) => parts[s.type]).join(this.#separator);
	}

	#refresh() {
		this._setUserInput(this.#format(this.#segmentValues));
		this._setValue(toDate(this.#segmentValues) ?? undefined);
	}

	constructor(opts: DateOptions) {
		const detected = opts.format
			? { segments: segmentsFor(opts.format), separator: opts.separator ?? '/' }
			: detectLocaleFormat(opts.locale);
		const sep = opts.separator ?? detected.separator;
		const segments = opts.format ? segmentsFor(opts.format) : detected.segments;

		const initialDate = opts.initialValue ?? opts.defaultValue;
		const segmentValues: DateParts = initialDate
			? {
					year: String(initialDate.getUTCFullYear()).padStart(4, '0'),
					month: String(initialDate.getUTCMonth() + 1).padStart(2, '0'),
					day: String(initialDate.getUTCDate()).padStart(2, '0'),
				}
			: { year: '____', month: '__', day: '__' };

		const initialDisplay = segments.map((s) => segmentValues[s.type]).join(sep);