19 lines
834 B
TypeScript
19 lines
834 B
TypeScript
// 通用格式化 / 校验纯函数（无状态，供 composable 与页面复用）。
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/** Date → `YYYY-MM-DD` */
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export const formatDate = (date: Date | string): string => {
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const transformedDate = typeof date === "string" ? new Date(date) : date;
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if (Number.isNaN(transformedDate.getTime())) return "";
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const year = transformedDate.getFullYear();
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const month = String(transformedDate.getMonth() + 1).padStart(2, "0");
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const day = String(transformedDate.getDate()).padStart(2, "0");
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return `${year}-${month}-${day}`;
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};
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/** 手机号输入格式化：仅保留数字并截断到 11 位。 */
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export const formatPhoneNumber = (value: string): string => value.replace(/\D/g, "").slice(0, 11);
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/** 中国大陆手机号校验。 */
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export const isValidPhone = (value: string): boolean => /^1[3-9]\d{9}$/.test(value);
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