16 lines
444 B
TypeScript
16 lines
444 B
TypeScript
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/** 判断是否为数组 */
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export function isArray<T>(arg: T) {
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return Array.isArray ? Array.isArray(arg) : Object.prototype.toString.call(arg) === "[object Array]"
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}
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/** 判断是否为字符串 */
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export function isString(str: unknown) {
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return typeof str === "string" || str instanceof String
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}
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/** 判断是否为外链 */
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export function isExternal(path: string) {
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const reg = /^(https?:|mailto:|tel:)/
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return reg.test(path)
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}
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