feat: add isNumeric

src/index.ts

@@ -1,4 +1,3 @@
-export { default as Disposer } from './Disposer'
 export { default as base64Decode } from './base64Decode'
 export { default as base64Encode } from './base64Encode'
 export { default as base64UrlDecode } from './base64UrlDecode'
@@ -8,6 +7,7 @@ export { default as castArray } from './castArray'
 export { default as clamp } from './clamp'
 export { default as cssTransform } from './cssTransform'
 export { default as currencyFormat } from './currencyFormat'
+export { default as Disposer } from './Disposer'
 export { default as fill } from './fill'
 export { default as forOwn } from './forOwn'
 export { default as getType } from './getType'
@@ -26,6 +26,7 @@ export { default as isNaN } from './isNaN'
 export { default as isNil } from './isNil'
 export { default as isNull } from './isNull'
 export { default as isNumber } from './isNumber'
+export { default as isNumeric } from './isNumeric'
 export { default as isObject } from './isObject'
 export { default as isPlainObject } from './isPlainObject'
 export { default as isPromise } from './isPromise'

src/isNumber.ts

@@ -1,5 +1,5 @@
 /**
- * 检查 value 是否是一个数值。
+ * 检查 value 是否是一个数字。
  *
  * @param value 要检查的值
  * @returns 是（true）或否（false）

src/isNumeric.ts

@@ -0,0 +1,9 @@
+/**
+ * 检查 value 是否是一个数值。
+ *
+ * @param value 要检查的值
+ * @returns 是（true）或否（false）
+ */
+export default function isNumeric(value: any): boolean {
+  return value != null && !isNaN(value - parseFloat(value))
+}

test/index.test.ts

@@ -792,3 +792,16 @@ describe('currencyFormat', () => {
     expect(vtils.currencyFormat(840224, { decimal: false })).toBe('840,224')
   })
 })
+
+describe('isNumeric', () => {
+  test('是', () => {
+    [123, -22, '223', '-244.3', 0xFF, '0xFF', '8e5', 0o144, '0144'].forEach(item => {
+      expect(vtils.isNumeric(item)).toBeTruthy()
+    })
+  })
+  test('不是', () => {
+    [undefined, Infinity, true, null, NaN, {}, '', '7.2acdgs', '-0x42'].forEach(item => {
+      expect(vtils.isNumeric(item)).toBeFalsy()
+    })
+  })
+})