Release v0.1.23

frontend/src/lib/components/throughput/utils.ts

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+import type { ThroughputEntry } from '$lib/types';
+
+export type SortKey = 'date' | 'product' | 'packed' | 'total' | 'staff' | 'destination' | 'notes';
+export type SortDirection = 'asc' | 'desc';
+
+export type ConfettiPiece = {
+  left: number;
+  delay: number;
+  duration: number;
+  color: string;
+  rotate: number;
+  drift: number;
+  size: number;
+};
+
+export const CONFETTI_COLORS = ['#16a34a', '#f59e0b', '#3b82f6', '#ec4899', '#8b5cf6', '#ef4444'];
+
+export const MIX_RANGES = [
+  { key: '7d', label: '7 days', sub: 'last 7 days', days: 7 },
+  { key: '4w', label: '4 weeks', sub: 'last 4 weeks', days: 28 },
+  { key: '6w', label: '6 weeks', sub: 'last 6 weeks', days: 42 },
+  { key: '12w', label: '12 weeks', sub: 'last 12 weeks', days: 84 }
+] as const;
+
+export function compareText(a: string | null | undefined, b: string | null | undefined) {
+  return (a ?? '').localeCompare(b ?? '', undefined, { sensitivity: 'base' });
+}
+
+export function compareDate(a: string | null | undefined, b: string | null | undefined) {
+  const aTime = a ? Date.parse(a) : Number.NEGATIVE_INFINITY;
+  const bTime = b ? Date.parse(b) : Number.NEGATIVE_INFINITY;
+  return aTime - bTime;
+}
+
+export function toISODate(d: Date): string {
+  return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}-${String(d.getDate()).padStart(2, '0')}`;
+}
+
+export function ausToday(): Date {
+  const ymd = new Intl.DateTimeFormat('en-CA', {
+    timeZone: 'Australia/Sydney',
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit'
+  }).format(new Date());
+  const [y, m, d] = ymd.split('-').map(Number);
+  return new Date(y, m - 1, d);
+}
+
+export function startOfWeekMonday(d: Date): Date {
+  const start = new Date(d.getFullYear(), d.getMonth(), d.getDate());
+  const dow = (start.getDay() + 6) % 7;
+  start.setDate(start.getDate() - dow);
+  return start;
+}
+
+export function addDays(d: Date, days: number): Date {
+  const next = new Date(d);
+  next.setDate(next.getDate() + days);
+  return next;
+}
+
+export function buildConfetti(colors = CONFETTI_COLORS): ConfettiPiece[] {
+  return Array.from({ length: 42 }, (_, i) => ({
+    left: Math.random() * 100,
+    delay: Math.random() * 1.2,
+    duration: 1 + Math.random() * 0.8,
+    color: colors[i % colors.length],
+    rotate: 220 + Math.random() * 360,
+    drift: (Math.random() - 0.5) * 60,
+    size: 6 + Math.random() * 6
+  }));
+}
+
+export function isStockEntry(entry: ThroughputEntry): boolean {
+  return entry.for_stock || (!entry.for_order && /stock/i.test(entry.notes ?? ''));
+}