51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
"use strict";
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exports.transpose = transpose;
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var _index = require("./constructFrom.js");
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/**
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* @name transpose
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* @category Generic Helpers
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* @summary Transpose the date to the given constructor.
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*
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* @description
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* The function transposes the date to the given constructor. It helps you
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* to transpose the date in the system time zone to say `UTCDate` or any other
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* date extension.
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*
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* @typeParam DateInputType - The input `Date` type derived from the passed argument.
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* @typeParam DateOutputType - The output `Date` type derived from the passed constructor.
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*
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* @param fromDate - The date to use values from
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* @param constructor - The date constructor to use
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*
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* @returns Date transposed to the given constructor
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*
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* @example
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* // Create July 10, 2022 00:00 in locale time zone
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* const date = new Date(2022, 6, 10)
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* //=> 'Sun Jul 10 2022 00:00:00 GMT+0800 (Singapore Standard Time)'
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*
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* @example
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* // Transpose the date to July 10, 2022 00:00 in UTC
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* transpose(date, UTCDate)
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* //=> 'Sun Jul 10 2022 00:00:00 GMT+0000 (Coordinated Universal Time)'
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*/
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function transpose(fromDate, constructor) {
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const date =
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constructor instanceof Date
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? (0, _index.constructFrom)(constructor, 0)
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: new constructor(0);
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date.setFullYear(
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fromDate.getFullYear(),
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fromDate.getMonth(),
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fromDate.getDate(),
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);
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date.setHours(
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fromDate.getHours(),
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fromDate.getMinutes(),
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fromDate.getSeconds(),
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fromDate.getMilliseconds(),
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);
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return date;
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}
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