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index.ts
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index.ts
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/**
* Copyright 2023-present DreamNum Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { excelSerialToDate, isValidDateStr } from '../../../basics/date';
import { ErrorType } from '../../../basics/error-type';
import type { BaseValueObject } from '../../../engine/value-object/base-value-object';
import { ErrorValueObject } from '../../../engine/value-object/base-value-object';
import { NumberValueObject } from '../../../engine/value-object/primitive-object';
import { BaseFunction } from '../../base-function';
export class Year extends BaseFunction {
override minParams = 1;
override maxParams = 1;
override calculate(serialNumber: BaseValueObject) {
if (serialNumber.isArray()) {
return serialNumber.map((serialNumberObject) => this._handleSingleObject(serialNumberObject));
}
return this._handleSingleObject(serialNumber);
}
private _handleSingleObject(serialNumberObject: BaseValueObject) {
if (serialNumberObject.isError()) {
return serialNumberObject;
}
let date: Date;
const dateValue = serialNumberObject.getValue();
if (serialNumberObject.isString()) {
if (!isValidDateStr(`${dateValue}`)) {
return ErrorValueObject.create(ErrorType.VALUE);
}
date = new Date(`${dateValue}`);
} else {
const dateSerial = +dateValue;
if (dateSerial < 0) {
return ErrorValueObject.create(ErrorType.NUM);
}
// Excel serial 0 is 1900-01-00
// Google Sheets serial 0 is 1899-12-30
if (dateSerial === 0) {
return NumberValueObject.create(1900);
}
date = excelSerialToDate(dateSerial);
}
const year = date.getUTCFullYear();
const valueObject = NumberValueObject.create(year);
return valueObject;
}
}