feat(utils): 新增 isEmail

src/utils/index.ts

@@ -52,6 +52,7 @@ export * from './isBlobUrl'
 export * from './isChineseIDCardNumber'
 export * from './isDataUrl'
 export * from './isElementVisible'
+export * from './isEmail'
 export * from './isNumeric'
 export * from './isPossibleChineseMobilePhoneNumber'
 export * from './isPromiseLike'
@@ -91,5 +92,4 @@ export * from './toHalfWidthString'
 export * from './toSingleLineString'
 export * from './traverse'
 export * from './wait'
-
 // @endindex

src/utils/isEmail.test.ts

@@ -0,0 +1,8 @@
+import { isEmail } from './isEmail'
+
+describe('isEmail', () => {
+  test('ok', () => {
+    expect(isEmail('ff@gmail.com')).toBe(true)
+    expect(isEmail('https://sss.cc')).toBe(false)
+  })
+})

src/utils/isEmail.ts

@@ -0,0 +1,19 @@
+// from yup
+const re =
+  /^((([a-z]|\d|[!#$%&'*+\-/=?^_`{|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#$%&'*+\-/=?^_`{|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))$/i
+
+/**
+ * 检测传入值是否是邮箱地址。
+ *
+ * @public
+ * @param value 要检测的值
+ * @returns 返回检测结果
+ * @example
+ * ```typescript
+ * isEmail('xx@gmail.com') // => true
+ * isEmail('http://foo.bar') // => false
+ * ```
+ */
+export function isEmail(value: string) {
+  return re.test(value)
+}