DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
90 lines
2.6 KiB
Text
90 lines
2.6 KiB
Text
import { normalizeDates } from "./_lib/normalizeDates.js";
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import { addDays } from "./addDays.js";
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import { differenceInCalendarDays } from "./differenceInCalendarDays.js";
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import { isSameDay } from "./isSameDay.js";
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import { isValid } from "./isValid.js";
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import { isWeekend } from "./isWeekend.js";
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/**
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* The {@link differenceInBusinessDays} function options.
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*/
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/**
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* @name differenceInBusinessDays
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* @category Day Helpers
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* @summary Get the number of business days between the given dates.
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*
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* @description
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* Get the number of business day periods between the given dates.
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* Business days being days that aren't in the weekend.
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* Like `differenceInCalendarDays`, the function removes the times from
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* the dates before calculating the difference.
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*
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* @param laterDate - The later date
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* @param earlierDate - The earlier date
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* @param options - An object with options
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*
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* @returns The number of business days
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*
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* @example
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* // How many business days are between
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* // 10 January 2014 and 20 July 2014?
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* const result = differenceInBusinessDays(
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* new Date(2014, 6, 20),
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* new Date(2014, 0, 10)
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* )
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* //=> 136
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*
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* // How many business days are between
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* // 30 November 2021 and 1 November 2021?
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* const result = differenceInBusinessDays(
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* new Date(2021, 10, 30),
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* new Date(2021, 10, 1)
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* )
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* //=> 21
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*
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* // How many business days are between
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* // 1 November 2021 and 1 December 2021?
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* const result = differenceInBusinessDays(
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* new Date(2021, 10, 1),
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* new Date(2021, 11, 1)
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* )
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* //=> -22
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*
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* // How many business days are between
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* // 1 November 2021 and 1 November 2021 ?
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* const result = differenceInBusinessDays(
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* new Date(2021, 10, 1),
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* new Date(2021, 10, 1)
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* )
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* //=> 0
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*/
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export function differenceInBusinessDays(laterDate, earlierDate, options) {
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const [laterDate_, earlierDate_] = normalizeDates(
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options?.in,
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laterDate,
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earlierDate,
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);
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if (!isValid(laterDate_) || !isValid(earlierDate_)) return NaN;
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const diff = differenceInCalendarDays(laterDate_, earlierDate_);
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const sign = diff < 0 ? -1 : 1;
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const weeks = Math.trunc(diff / 7);
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let result = weeks * 6;
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let movingDate = addDays(earlierDate_, weeks * 7);
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// the loop below will run at most 6 times to account for the remaining days that don't makeup a full week
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while (!isSameDay(laterDate_, movingDate)) {
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// sign is used to account for both negative and positive differences
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result += isWeekend(movingDate, options) ? 0 : sign;
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movingDate = addDays(movingDate, sign);
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}
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// Prevent negative zero
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return result === 0 ? 0 : result;
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}
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// Fallback for modularized imports:
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export default differenceInBusinessDays;
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