| | |
| | | if (!el) return 0 |
| | | const rect = el.getBoundingClientRect() |
| | | return window.innerHeight - rect.top |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 将字符串转为数字 |
| | | * @param value |
| | | * @returns |
| | | */ |
| | | export function tryConvertToInt(value: string): string | number { |
| | | const num = Number(value); |
| | | // 判断是否是有效数字且是整数(小数部分为 0) |
| | | if (!isNaN(num) && Number.isInteger(num)) { |
| | | return num; |
| | | } |
| | | |
| | | // 判断是否是有效数字且小数部分为 0(例如 "1.0") |
| | | if (!isNaN(num) && Number(value).toString().endsWith('.0')) { |
| | | return parseInt(value, 10); |
| | | } |
| | | |
| | | return value; |
| | | } |
| | | /** |
| | | * 深拷贝 |
| | | * @param obj |
| | | * @returns |
| | | */ |
| | | export function deepClone<T>(obj: T): T { |
| | | if (obj === null || typeof obj !== "object") return obj; |
| | | |
| | | if (Array.isArray(obj)) { |
| | | return obj.map(item => deepClone(item)) as unknown as T; |
| | | } |
| | | |
| | | const result: any = {}; |
| | | for (const key in obj) { |
| | | if (Object.prototype.hasOwnProperty.call(obj, key)) { |
| | | result[key] = deepClone(obj[key]); |
| | | } |
| | | } |
| | | return result; |
| | | } |