filemon
51 lines
1.5 KiB
TypeScript
51 lines
1.5 KiB
TypeScript
import { clsx, type ClassValue } from "clsx"
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import { twMerge } from "tailwind-merge"
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export function cn(...inputs: ClassValue[]) {
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return twMerge(clsx(inputs))
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}
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/**
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* Parse a kindFilter string into an array of kind numbers.
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* Supports:
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* - 'all' → undefined (no override)
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* - 'custom' → parse customKindText as comma/space-separated numbers
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* - Single kind number (e.g. '1') → [1]
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* - Comma-separated kind numbers (e.g. '1,30023,20') → [1, 30023, 20]
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*/
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export function parseKindFilter(kindFilter: string, customKindText?: string): number[] | undefined {
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if (kindFilter === 'all' || kindFilter === '') return undefined;
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if (kindFilter === 'custom') {
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if (!customKindText) return undefined;
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const parsed = customKindText.trim().split(/[\s,]+/).map(Number).filter((n) => Number.isInteger(n) && n > 0);
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return parsed.length > 0 ? parsed : undefined;
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}
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// Comma-separated or single value
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const parsed = kindFilter.split(',').map(Number).filter((n) => Number.isInteger(n) && n > 0);
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return parsed.length > 0 ? parsed : undefined;
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}
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/**
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* Format a number in compact English notation.
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* Examples:
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* 1,200 → "1.2K"
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* 15,400 → "15.4K"
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* 1,200,000 → "1.2M"
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* 999 → "999"
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*
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* Uses Intl.NumberFormat for locale-consistent formatting.
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*/
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export function formatCompactNumber(num: number): string {
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if (num < 1000) {
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return num.toString();
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}
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const formatter = new Intl.NumberFormat('en', {
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notation: 'compact',
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compactDisplay: 'short',
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maximumFractionDigits: 1,
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});
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return formatter.format(num);
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}
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