feature: add Type judgment function

Author: Simon he

README.md

@@ -18,6 +18,17 @@
       'family.name': 'familyName',
       'family.age': 'familyAge'
     })
+- isStr  // 判断是否是字符串
+- isNum  // 判断是否是数字
+- isPlainObject  // 判断是否是对象
+- isArray  // 判断是否是数组
+- isFn  // 判断是否是函数
+- isUndef  // 判断是否是undefined
+- isNull  // 判断是否是null
+- isPromise  // 判断是否是Promise
+- isSymbol  // 判断是否是Symbol
+- isNaN  // 判断是否是NaN
+- isReg  // 判断是否是正则表达式
 
 ## 使用方法
 ### deepMerge

package.json

@@ -56,6 +56,7 @@
     "eslint": "^8.16.0",
     "eslint-plugin-n": "^15.2.1",
     "pkgroll": "^1.3.1",
+    "simon-js-tool": "workspace:^1.0.8",
     "typescript": "^4.7.2",
     "vitest": "^0.14.2"
   }

pnpm-lock.yaml

@@ -1,5 +1 @@
-const _toString = Object.prototype.toString
-
-export function isPlainObject(obj: any): boolean {
-  return _toString.call(obj) === '[object Object]'
-}
+export const _toString = Object.prototype.toString

src/common.ts

@@ -1,4 +1,4 @@
-import { isPlainObject } from './common'
+import { isPlainObject } from './isPlainObject'
 
 // 深比较
 export function deepCompare(comp1: any, comp2: any, error: string[] = [], errorMsg: string[] = [], name?: string, index?: string) {

src/deepCompare.ts

@@ -1,4 +1,4 @@
-import { isPlainObject } from './common'
+import { isPlainObject } from './isPlainObject'
 
 export function deepMerge(target: Record<any, any>, ...sources: Record<any, any>[]) {
   if (!isPlainObject(target))

src/deepMerge.ts

@@ -11,3 +11,14 @@ export { debounce } from './debounce'
 export { throttle } from './throttle'
 export { traverse } from './traverse'
 export { transformKey } from './transformKey'
+export { isFn } from './isFn'
+export { isStr } from './isStr'
+export { isNum } from './isNum'
+export { isPlainObject } from './isPlainObject'
+export { isUndef } from './isUndef'
+export { isArray } from './isArray'
+export { isPromise } from './isPromise'
+export { isNaN } from './isNaN'
+export { isSymbol } from './isSymbol'
+export { isNull } from './isNull'
+export { isReg } from './isReg'

src/index.ts

@@ -0,0 +1,3 @@
+export function isArray(o: any): boolean {
+  return Array.isArray(o)
+}

src/isArray.ts

@@ -0,0 +1,3 @@
+export function isFn(o: any): boolean {
+  return typeof o === 'function'
+}

src/isFn.ts

@@ -0,0 +1,5 @@
+export function isNaN(o: any): boolean {
+  return typeof o !== 'number'
+    ? false
+    : isNaN(o)
+}