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Bilal Muhammad Khan 18a3ee83c1 feat(frontend): implement complete design system with shadcn/ui components
Implement comprehensive frontend design system for Phase II web application:

- Add shadcn/ui component library (button, input, card, dialog, form, etc.)
- Refactor auth pages (login/register) with new design system
- Update dashboard with modern UI components
- Implement TypeScript schemas for tasks, tags, filters, and users
- Add authentication and dashboard-specific components
- Create comprehensive documentation (accessibility, performance, validation)
- Configure Tailwind with custom theme and animations
- Add context providers for state management

This establishes the complete UI foundation required for the hackathon Phase II deliverable.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2026-01-01 12:43:06 +05:00

64 lines
2.1 KiB
JavaScript

import { getTimezoneOffsetInMilliseconds } from "./_lib/getTimezoneOffsetInMilliseconds.js";
import { normalizeDates } from "./_lib/normalizeDates.js";
import { millisecondsInDay } from "./constants.js";
import { startOfDay } from "./startOfDay.js";
/**
* The {@link differenceInCalendarDays} function options.
*/
/**
* @name differenceInCalendarDays
* @category Day Helpers
* @summary Get the number of calendar days between the given dates.
*
* @description
* Get the number of calendar days between the given dates. This means that the times are removed
* from the dates and then the difference in days is calculated.
*
* @param laterDate - The later date
* @param earlierDate - The earlier date
* @param options - The options object
*
* @returns The number of calendar days
*
* @example
* // How many calendar days are between
* // 2 July 2011 23:00:00 and 2 July 2012 00:00:00?
* const result = differenceInCalendarDays(
* new Date(2012, 6, 2, 0, 0),
* new Date(2011, 6, 2, 23, 0)
* )
* //=> 366
* // How many calendar days are between
* // 2 July 2011 23:59:00 and 3 July 2011 00:01:00?
* const result = differenceInCalendarDays(
* new Date(2011, 6, 3, 0, 1),
* new Date(2011, 6, 2, 23, 59)
* )
* //=> 1
*/
export function differenceInCalendarDays(laterDate, earlierDate, options) {
const [laterDate_, earlierDate_] = normalizeDates(
options?.in,
laterDate,
earlierDate,
);
const laterStartOfDay = startOfDay(laterDate_);
const earlierStartOfDay = startOfDay(earlierDate_);
const laterTimestamp =
+laterStartOfDay - getTimezoneOffsetInMilliseconds(laterStartOfDay);
const earlierTimestamp =
+earlierStartOfDay - getTimezoneOffsetInMilliseconds(earlierStartOfDay);
// Round the number of days to the nearest integer because the number of
// milliseconds in a day is not constant (e.g. it's different in the week of
// the daylight saving time clock shift).
return Math.round((laterTimestamp - earlierTimestamp) / millisecondsInDay);
}
// Fallback for modularized imports:
export default differenceInCalendarDays;