54 lines
1.6 KiB
TypeScript
54 lines
1.6 KiB
TypeScript
/**
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* Health Alert Display Object
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*
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* Provides formatting and display logic for health alerts.
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* This display object isolates UI-specific formatting from business logic.
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*/
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export class HealthAlertFormatter {
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static formatSeverity(type: 'critical' | 'warning' | 'info'): string {
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const severities: Record<string, string> = {
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critical: 'Critical',
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warning: 'Warning',
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info: 'Info',
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};
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return severities[type] || 'Info';
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}
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static formatSeverityColor(type: 'critical' | 'warning' | 'info'): string {
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const colors: Record<string, string> = {
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critical: '#ef4444', // red-500
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warning: '#f59e0b', // amber-500
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info: '#3b82f6', // blue-500
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};
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return colors[type] || '#3b82f6';
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}
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static formatTimestamp(timestamp: string): string {
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const date = new Date(timestamp);
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return date.toLocaleString('en-US', {
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year: 'numeric',
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month: 'short',
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day: 'numeric',
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hour: '2-digit',
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minute: '2-digit',
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second: '2-digit',
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});
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}
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static formatRelativeTime(timestamp: string): string {
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const now = new Date();
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const date = new Date(timestamp);
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const diffMs = now.getTime() - date.getTime();
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const diffMins = Math.floor(diffMs / 60000);
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const diffHours = Math.floor(diffMs / 3600000);
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const diffDays = Math.floor(diffMs / 86400000);
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if (diffMins < 1) return 'Just now';
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if (diffMins < 60) return `${diffMins}m ago`;
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if (diffHours < 24) return `${diffHours}h ago`;
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if (diffDays < 7) return `${diffDays}d ago`;
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return `${Math.floor(diffDays / 7)}w ago`;
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}
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}
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