97 lines
2.5 KiB
TypeScript
97 lines
2.5 KiB
TypeScript
import type { ClassValue } from "clsx";
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import { clsx } 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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export function debounce<Func extends (...args: any[]) => any>(func: Func, wait: number): Func {
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let timeout: ReturnType<typeof setTimeout> | null;
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return function (this: any, ...args: any[]) {
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if (timeout) clearTimeout(timeout);
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timeout = setTimeout(() => {
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func.apply(this, args);
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}, wait);
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} as Func;
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}
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type AspectInfo = {
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width: number;
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height: number;
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ratio: string; // ví dụ: "16:9"
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float: number; // ví dụ: 1.777...
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};
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function gcd(a: number, b: number): number {
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return b === 0 ? a : gcd(b, a % b);
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}
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export function getImageAspectRatio(url: string): Promise<AspectInfo> {
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return new Promise((resolve, reject) => {
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const img = new Image();
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img.onload = () => {
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const w = img.naturalWidth;
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const h = img.naturalHeight;
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const g = gcd(w, h);
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resolve({
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width: w,
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height: h,
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ratio: `${w / g}:${h / g}`,
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float: w / h
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});
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};
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img.onerror = () => reject(new Error("Cannot load image"));
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img.src = url;
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});
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}
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export const formatBytes = (bytes?: number) => {
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if (!bytes) return '0 B';
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const k = 1024;
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const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
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};
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export const formatDuration = (seconds?: number) => {
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if (!seconds) return '0:00';
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const h = Math.floor(seconds / 3600);
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const m = Math.floor((seconds % 3600) / 60);
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const s = Math.floor(seconds % 60);
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if (h > 0) {
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return `${h}:${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')}`;
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}
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return `${m}:${s.toString().padStart(2, '0')}`;
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};
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export const formatDate = (dateString?: string) => {
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if (!dateString) return '';
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return new Date(dateString).toLocaleDateString('en-US', {
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month: 'short',
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day: 'numeric',
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year: 'numeric',
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hour: '2-digit',
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minute: '2-digit'
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});
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};
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export const getStatusSeverity = (status: string = "") => {
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switch (status) {
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case 'success':
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case 'ready':
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return 'success';
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case 'failed':
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return 'danger';
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case 'pending':
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return 'warn';
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default:
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return 'info';
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}
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}; |