46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
import { constructNow } from "./constructNow.js";
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import { getMonth as coreGetMonth } from "./_core/getMonth.js";
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import { getDate as coreGetDate } from "./_core/getDate.js";
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import { getFullYear as coreGetFullYear } from "./_core/getFullYear.js";
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import { setFullYear as coreSetFullYear } from "./_core/setFullYear.js";
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/**
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* The {@link startOfYesterday} function options.
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*/
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/**
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* @name startOfYesterday
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* @category Day Helpers
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* @summary Return the start of yesterday.
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* @pure false
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*
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* @typeParam ContextDate - The `Date` type of the context function.
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*
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* @param options - An object with options
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*
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* @description
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* Return the start of yesterday.
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*
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* @returns The start of yesterday
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*
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* @example
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* // If today is 6 October 2014:
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* const result = startOfYesterday()
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* //=> Sun Oct 5 2014 00:00:00
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*/
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export function startOfYesterday(options) {
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const now = constructNow(options?.in);
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const year = coreGetFullYear(now);
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const month = coreGetMonth(now);
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const day = coreGetDate(now);
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const date = constructNow(options?.in);
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coreSetFullYear(date, year, month, day - 1);
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date.setHours(0, 0, 0, 0);
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return date;
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}
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// Fallback for modularized imports:
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export default startOfYesterday;
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