86 lines
3.0 KiB
TypeScript
86 lines
3.0 KiB
TypeScript
// 格式化相对时间
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export function formatRelativeTime(date: string | Date): string {
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const now = new Date();
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const target = new Date(date);
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const diffMs = now.getTime() - target.getTime();
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const diffSeconds = Math.floor(diffMs / 1000);
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const diffMinutes = Math.floor(diffSeconds / 60);
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const diffHours = Math.floor(diffMinutes / 60);
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const diffDays = Math.floor(diffHours / 24);
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const diffMonths = Math.floor(diffDays / 30);
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const diffYears = Math.floor(diffDays / 365);
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if (diffYears > 0) return `${diffYears}年前`;
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if (diffMonths > 0) return `${diffMonths}月前`;
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if (diffDays > 0) return `${diffDays}天前`;
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if (diffHours > 0) return `${diffHours}小时前`;
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if (diffMinutes > 0) return `${diffMinutes}分钟前`;
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return "刚刚";
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}
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// 格式化时间显示 (mm:ss)
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export function formatTime(seconds: number): string {
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const mins = Math.floor(seconds / 60);
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const secs = Math.floor(seconds % 60);
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return `${mins}:${secs.toString().padStart(2, "0")}`;
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}
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// 处理评论文本中的表情占位符
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export function parseCommentText(text: string): (string | { type: "emoji"; name: string })[] {
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const parts: (string | { type: "emoji"; name: string })[] = [];
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const regex = /\[([^\]]+)\]/g;
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let lastIndex = 0;
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let match: RegExpExecArray | null;
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while ((match = regex.exec(text)) !== null) {
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// 添加表情前的文本
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if (match.index > lastIndex) {
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parts.push(text.slice(lastIndex, match.index));
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}
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// 添加表情
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parts.push({ type: "emoji", name: match[1] });
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lastIndex = regex.lastIndex;
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}
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// 添加剩余文本
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if (lastIndex < text.length) {
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parts.push(text.slice(lastIndex));
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}
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return parts;
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}
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// 从 localStorage 获取数值
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export function getNumberFromStorage(key: string, defaultValue: number): number {
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if (typeof window === "undefined") return defaultValue;
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const saved = localStorage.getItem(key);
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if (!saved) return defaultValue;
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const parsed = parseFloat(saved);
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return Number.isNaN(parsed) ? defaultValue : parsed;
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}
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// 从 localStorage 获取字符串
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export function getStringFromStorage(key: string, defaultValue: string): string {
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if (typeof window === "undefined") return defaultValue;
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return localStorage.getItem(key) || defaultValue;
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}
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// 保存到 localStorage
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export function saveToStorage(key: string, value: string | number): void {
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if (typeof window === "undefined") return;
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localStorage.setItem(key, value.toString());
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}
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// 稳定的绝对时间格式（与 locale 无关），用于避免 SSR/CSR 水合不一致
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// 输出示例：2025-10-20 08:23:05 UTC
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export function formatAbsoluteUTC(date: string | Date): string {
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const d = new Date(date);
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const Y = d.getUTCFullYear();
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const M = String(d.getUTCMonth() + 1).padStart(2, "0");
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const D = String(d.getUTCDate()).padStart(2, "0");
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const h = String(d.getUTCHours()).padStart(2, "0");
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const m = String(d.getUTCMinutes()).padStart(2, "0");
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const s = String(d.getUTCSeconds()).padStart(2, "0");
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return `${Y}-${M}-${D} ${h}:${m}:${s} UTC`;
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}
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