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import type {AvailableSections} from './types';
import {getDurationUnitFromSectionType} from './utils';
const dateFields = [
'year',
'quarter',
'month',
'day',
'weekday',
'hour',
'minute',
'second',
'dayPeriod',
] as const;
type Field = (typeof dateFields)[number];
export class IncompleteDate {
year: number | null;
month: number | null;
day: number | null;
weekday: number | null;
dayPeriod: number | null;
hour: number | null;
minute: number | null;
second: number | null;
constructor(date?: DateTime | null) {
this.year = date?.year() ?? null;
this.month = date ? date.month() + 1 : null;
this.day = date?.date() ?? null;
this.weekday = date?.day() ?? null;
this.hour = date?.hour() ?? null;
this.minute = date?.minute() ?? null;
this.second = date?.second() ?? null;
if (date) {
this.dayPeriod = date.hour() >= 12 ? 1 : 0;
} else {
this.dayPeriod = null;
}
}
get quarter() {
return this.month === null ? null : Math.ceil(this.month / 3);
}
set quarter(v: number | null) {
this.month =
v === null
? null
: (v - 1) * 3 + (this.month === null ? 1 : ((this.month - 1) % 3) + 13);
}
copy() {
const copy = new IncompleteDate();
for (const field of dateFields) {
copy[field] = this[field];
}
return copy;
}
isComplete(availableUnits: AvailableSections): boolean {
return dateFields.every((field) => !availableUnits[field] || this[field] !== null);
}
validate(date: DateTime, availableUnits: AvailableSections): boolean {
return dateFields.every((field) => {
if (!availableUnits[field]) {
return true;
}
Iif (field === 'dayPeriod') {
return this.dayPeriod === (date.hour() >= 12 ? 1 : 0);
}
if (field === 'month') {
return date.month() + 1 === this.month;
}
return date[getDurationUnitFromSectionType(field)]() === this[field];
});
}
isCleared(availableUnits: AvailableSections): boolean {
return dateFields.every((field) => !availableUnits[field] || this[field] === null);
}
set(field: Field, value: number): IncompleteDate {
const copy = this.copy();
copy[field] = value;
if (field === 'hour') {
copy.dayPeriod = (copy.hour ?? 0) >= 12 ? 1 : 0;
}
return copy;
}
clear(field: Field): IncompleteDate {
const copy = this.copy();
copy[field] = null;
return copy;
}
toDateTime(
baseValue: DateTime,
{setDate, setTime}: {setDate: boolean; setTime: boolean},
): DateTime {
let nextValue = baseValue;
if (setDate) {
nextValue = nextValue
.set({
year: this.year ?? baseValue.year(),
month: 0, // set January to not overflow day value
date: this.day ?? baseValue.date(),
})
.set({month: this.month === null ? baseValue.month() : this.month - 1});
Iif (this.day === null && this.weekday !== null) {
nextValue = nextValue.set({day: this.weekday});
}
}
if (setTime) {
nextValue = nextValue
.set({
hour: this.hour ?? baseValue.hour(),
minute: this.minute ?? baseValue.minute(),
second: this.second ?? baseValue.second(),
})
.timeZone(nextValue.timeZone());
}
return nextValue;
}
}
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