mirrors/it-tools
1
0
Fork 0
mirror of https://github.com/CorentinTh/it-tools.git synced 2025-04-30 19:39:14 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

feat(date-converter): added excel date time format (#704)

Browse source
This commit is contained in:
Corentin THOMASSET 2023-10-31 09:59:35 +01:00 • committed by GitHub
parent abb8335041
commit f5eb7a8c49
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 63 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

38
src/tools/date-time-converter/date-time-converter.models.test.ts
View file

@ -1,5 +1,8 @@
import { describe, expect, test } from 'vitest';
import {
dateToExcelFormat,
excelFormatToDate,
isExcelFormat,
isISO8601DateTimeString,
isISO9075DateString,
isMongoObjectId,
@ -139,4 +142,39 @@ describe('date-time-converter models', () => {
expect(isMongoObjectId('')).toBe(false);
});
});
describe('isExcelFormat', () => {
test('an Excel format string is a floating number that can be negative', () => {
expect(isExcelFormat('0')).toBe(true);
expect(isExcelFormat('1')).toBe(true);
expect(isExcelFormat('1.1')).toBe(true);
expect(isExcelFormat('-1.1')).toBe(true);
expect(isExcelFormat('-1')).toBe(true);
expect(isExcelFormat('')).toBe(false);
expect(isExcelFormat('foo')).toBe(false);
expect(isExcelFormat('1.1.1')).toBe(false);
});
});
describe('dateToExcelFormat', () => {
test('a date in Excel format is the number of days since 01/01/1900', () => {
expect(dateToExcelFormat(new Date('2016-05-20T00:00:00.000Z'))).toBe('42510');
expect(dateToExcelFormat(new Date('2016-05-20T12:00:00.000Z'))).toBe('42510.5');
expect(dateToExcelFormat(new Date('2023-10-31T09:26:06.421Z'))).toBe('45230.39312987268');
expect(dateToExcelFormat(new Date('1970-01-01T00:00:00.000Z'))).toBe('25569');
expect(dateToExcelFormat(new Date('1800-01-01T00:00:00.000Z'))).toBe('-36522');
});
});
describe('excelFormatToDate', () => {
test('a date in Excel format is the number of days since 01/01/1900', () => {
expect(excelFormatToDate('0')).toEqual(new Date('1899-12-30T00:00:00.000Z'));
expect(excelFormatToDate('1')).toEqual(new Date('1899-12-31T00:00:00.000Z'));
expect(excelFormatToDate('2')).toEqual(new Date('1900-01-01T00:00:00.000Z'));
expect(excelFormatToDate('4242.4242')).toEqual(new Date('1911-08-12T10:10:50.880Z'));
expect(excelFormatToDate('42738.22626859954')).toEqual(new Date('2017-01-03T05:25:49.607Z'));
expect(excelFormatToDate('-1000')).toEqual(new Date('1897-04-04T00:00:00.000Z'));
});
});
});