53 lines
1.4 KiB
TypeScript
53 lines
1.4 KiB
TypeScript
/**
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* DashboardDateDisplay
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*
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* Deterministic date formatting for dashboard display.
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* No Intl.* or toLocale* methods.
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*/
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export interface DashboardDateDisplayData {
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date: string;
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time: string;
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relative: string;
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}
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/**
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* Format date for display (deterministic, no Intl)
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*/
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export class DashboardDateDisplay {
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static format(date: Date): DashboardDateDisplayData {
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const days = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
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const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
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const dayName = days[date.getDay()];
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const month = months[date.getMonth()];
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const day = date.getDate();
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const year = date.getFullYear();
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const hours = date.getHours().toString().padStart(2, '0');
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const minutes = date.getMinutes().toString().padStart(2, '0');
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// Calculate relative time (deterministic)
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const now = new Date();
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const diffMs = date.getTime() - now.getTime();
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const diffHours = Math.floor(diffMs / (1000 * 60 * 60));
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const diffDays = Math.floor(diffHours / 24);
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let relative: string;
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if (diffHours < 0) {
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relative = 'Past';
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} else if (diffHours === 0) {
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relative = 'Now';
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} else if (diffHours < 24) {
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relative = `${diffHours}h`;
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} else {
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relative = `${diffDays}d`;
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}
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return {
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date: `${dayName}, ${month} ${day}, ${year}`,
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time: `${hours}:${minutes}`,
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relative,
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};
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}
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} |