perf: is utils

Author: xingyuv

src/utils/is.ts

@@ -103,3 +103,12 @@ export const isUrl = (path: string): boolean => {
 export const isDark = (): boolean => {
   return window.matchMedia('(prefers-color-scheme: dark)').matches
 }
+
+// 是否是图片链接
+export const isImgPath = (path: string): boolean => {
+  return /(https?:\/\/|data:image\/).*?\.(png|jpg|jpeg|gif|svg|webp|ico)/gi.test(path)
+}
+
+export const isEmptyVal = (val: any): boolean => {
+  return val === '' || val === null || val === undefined
+}