29 lines
1.0 KiB
TypeScript
29 lines
1.0 KiB
TypeScript
import { getJsDateFromExcel } from "excel-date-to-js";
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export const excelDateStuff = (serial: number, time: any = 0) => {
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// console.log(serial);
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// add 5 hours or the offset to utc
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// get the local timezone
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const localoffset = new Date().getTimezoneOffset() / 60; // then divide by 60 to get the true number;
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const addHours = serial + localoffset / 24;
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//console.log(getJsDateFromExcel(addHours));
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if (typeof serial !== "number" || serial <= 0) {
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return "invalid Date";
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}
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const date = getJsDateFromExcel(addHours); // base date from Excel serial
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if (time != 0) {
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// convert the time over to hour and min
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const hours = Math.floor(time / 100);
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const minutes = time % 100;
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date.setHours(hours);
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date.setMinutes(minutes);
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}
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//console.log(date.toLocaleString("en-US"), getJsDateFromExcel(addHours));
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//console.log(date.toISOString());
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return date.toISOString(); //.toLocaleString("en-US"); // or .toISOString() if preferred
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};
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