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feat: implement category history widget and loading state for category history page

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Felipe Coutinho
2025-11-28 13:42:21 +00:00
parent 302521ce14
commit cf5a0b7745
12 changed files with 808 additions and 34 deletions
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37
lib/utils/date.ts
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@@ -41,6 +41,26 @@ const MONTH_NAMES = [
// DATE CREATION & MANIPULATION
// ============================================================================
/**
* Safely parses a date string (YYYY-MM-DD) as a local date
*
* IMPORTANT: new Date("2025-11-25") treats the date as UTC midnight,
* which in Brazil (UTC-3) becomes 2025-11-26 03:00 local time!
*
* This function always interprets the date string in the local timezone.
*
* @param dateString - Date string in YYYY-MM-DD format
* @returns Date object in local timezone
*/
export function parseLocalDateString(dateString: string): Date {
const [year, month, day] = dateString.split("-");
return new Date(
Number.parseInt(year ?? "0", 10),
Number.parseInt(month ?? "1", 10) - 1,
Number.parseInt(day ?? "1", 10)
);
}
/**
* Gets today's date in UTC
* @returns Date object set to today at midnight UTC
@@ -110,7 +130,7 @@ export function getTodayDateString(): string {
* @returns Date object for today
*/
export function getTodayDate(): Date {
return new Date(getTodayDateString());
return parseLocalDateString(getTodayDateString());
}
/**
@@ -119,12 +139,12 @@ export function getTodayDate(): Date {
*/
export function getTodayInfo(): { date: Date; period: string } {
const now = new Date();
const year = now.getUTCFullYear();
const month = now.getUTCMonth();
const day = now.getUTCDate();
const year = now.getFullYear();
const month = now.getMonth();
const day = now.getDate();
return {
date: new Date(Date.UTC(year, month, day)),
date: new Date(year, month, day),
period: `${year}-${String(month + 1).padStart(2, "0")}`,
};
}
@@ -162,12 +182,7 @@ export function addMonthsToDate(value: Date, offset: number): Date {
* formatDate("2024-11-14") // "qui 14 nov"
*/
export function formatDate(value: string): string {
const [year, month, day] = value.split("-");
const parsed = new Date(
Number.parseInt(year ?? "0", 10),
Number.parseInt(month ?? "1", 10) - 1,
Number.parseInt(day ?? "1", 10)
);
const parsed = parseLocalDateString(value);
return new Intl.DateTimeFormat("pt-BR", {
weekday: "short",

16
lib/utils/period/index.ts
View File

@@ -334,10 +334,24 @@ export function formatMonthLabel(period: string): string {
* derivePeriodFromDate() // current period
*/
export function derivePeriodFromDate(value?: string | null): string {
const date = value ? new Date(value) : new Date();
if (!value) {
return getCurrentPeriod();
}
// Parse date string as local date to avoid timezone issues
// IMPORTANT: new Date("2025-11-25") treats the date as UTC midnight,
// which in Brazil (UTC-3) becomes 2025-11-26 03:00 local time!
const [year, month, day] = value.split("-");
const date = new Date(
Number.parseInt(year ?? "0", 10),
Number.parseInt(month ?? "1", 10) - 1,
Number.parseInt(day ?? "1", 10)
);
if (Number.isNaN(date.getTime())) {
return getCurrentPeriod();
}
return formatPeriod(date.getFullYear(), date.getMonth() + 1);
}