doctor-mail/packages/utils/src/index.ts

/**
 * 生成唯一ID
 * @param prefix - 可选的ID前缀
 * @returns 唯一ID字符串
 */
export function generateUniqueId(prefix?: string): string {
	// 获取当前时间戳
	const timestamp = Date.now();

	// 生成随机数部分
	const randomPart = Math.random().toString(36).substring(2, 8);

	// 获取环境特定的额外随机性
	const environmentPart =
		typeof window !== "undefined"
			? window.crypto.getRandomValues(new Uint32Array(1))[0].toString(36)
			: require("crypto").randomBytes(4).toString("hex");

	// 组合所有部分
	const uniquePart = `${timestamp}${randomPart}${environmentPart}`;

	// 如果提供了前缀，则添加前缀
	return prefix ? `${prefix}_${uniquePart}` : uniquePart;
}
export const formatFileSize = (bytes: number) => {
	if (bytes < 1024) return `${bytes} B`;
	if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
	if (bytes < 1024 * 1024 * 1024)
		return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
	return `${(bytes / (1024 * 1024 * 1024)).toFixed(2)} GB`;
};
// 压缩图片路径生成函数
export const getCompressedImageUrl = (originalUrl: string): string => {
	if (!originalUrl) {
		return originalUrl;
	}
	const cleanUrl = originalUrl.split(/[?#]/)[0]; // 移除查询参数和哈希
	const lastSlashIndex = cleanUrl.lastIndexOf("/");
	return `${cleanUrl.slice(0, lastSlashIndex)}/compressed/${cleanUrl.slice(lastSlashIndex + 1).replace(/\.[^.]+$/, ".webp")}`;
};
export * from "./types";