@3mo/date-time-fields/dist/FieldDateTimePrecision.js

Date time fields let people select dates, date-ranges, and times.

export class FieldDateTimePrecision {
    static get all() { return FieldDateTimePrecision._all; }
    static parse(value) {
        return !value ? undefined : this._all.find(precision => precision.key === value);
    }
    constructor(value, key) {
        this.value = value;
        this.key = key;
        FieldDateTimePrecision._all.push(this);
    }
    get formatOptions() {
        return {
            year: 'numeric',
            month: this < FieldDateTimePrecision.Month ? undefined : '2-digit',
            day: this < FieldDateTimePrecision.Day ? undefined : '2-digit',
            hour: this < FieldDateTimePrecision.Hour ? undefined : '2-digit',
            minute: this < FieldDateTimePrecision.Minute ? undefined : '2-digit',
            second: this < FieldDateTimePrecision.Second ? undefined : '2-digit',
            hourCycle: 'h23',
        };
    }
    getRange(date) {
        const start = date.with({
            year: date.year,
            month: this < FieldDateTimePrecision.Month ? 1 : date.month,
            day: this < FieldDateTimePrecision.Day ? 1 : date.day,
            hour: this < FieldDateTimePrecision.Hour ? 0 : date.hour,
            minute: this < FieldDateTimePrecision.Minute ? 0 : date.minute,
            second: this < FieldDateTimePrecision.Second ? 0 : date.second,
        });
        return new DateTimeRange(start, start.add({ [`${this.key}s`]: 1 }).subtract({ seconds: 1 }));
    }
    equals(left, right) {
        return left.year === right.year
            && (this < FieldDateTimePrecision.Month || left.month === right.month)
            && (this < FieldDateTimePrecision.Day || left.day === right.day)
            && (this < FieldDateTimePrecision.Hour || left.hour === right.hour)
            && (this < FieldDateTimePrecision.Minute || left.minute === right.minute)
            && (this < FieldDateTimePrecision.Second || left.second === right.second);
    }
    isSmallerThan(left, right) {
        return left.year < right.year
            || (this >= FieldDateTimePrecision.Month && left.year === right.year && left.month < right.month)
            || (this >= FieldDateTimePrecision.Day && left.year === right.year && left.month === right.month && left.day < right.day)
            || (this >= FieldDateTimePrecision.Hour && left.year === right.year && left.month === right.month && left.day === right.day && left.hour < right.hour)
            || (this >= FieldDateTimePrecision.Minute && left.year === right.year && left.month === right.month && left.day === right.day && left.hour === right.hour && left.minute < right.minute)
            || (this >= FieldDateTimePrecision.Second && left.year === right.year && left.month === right.month && left.day === right.day && left.hour === right.hour && left.minute === right.minute && left.second < right.second);
    }
    valueOf() {
        return this.value;
    }
    toString() {
        return this.key;
    }
}
FieldDateTimePrecision._all = new Array();
FieldDateTimePrecision.Year = new FieldDateTimePrecision(1, 'year');
FieldDateTimePrecision.Month = new FieldDateTimePrecision(2, 'month');
// static readonly Week = new FieldDateTimePrecision(3, 'week')
FieldDateTimePrecision.Day = new FieldDateTimePrecision(4, 'day');
FieldDateTimePrecision.Hour = new FieldDateTimePrecision(5, 'hour');
FieldDateTimePrecision.Minute = new FieldDateTimePrecision(6, 'minute');
FieldDateTimePrecision.Second = new FieldDateTimePrecision(7, 'second');